CN208696488U - Tapping guide assembly and tapping screw-in mechanism - Google Patents
Tapping guide assembly and tapping screw-in mechanism Download PDFInfo
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- CN208696488U CN208696488U CN201820667709.0U CN201820667709U CN208696488U CN 208696488 U CN208696488 U CN 208696488U CN 201820667709 U CN201820667709 U CN 201820667709U CN 208696488 U CN208696488 U CN 208696488U
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- guide part
- tapping
- guide
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- Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
Abstract
The utility model provides a tapping direction subassembly and tapping screw in mechanism. The guide assembly comprises a fixing piece, a guide component and a guide component, wherein the fixing piece is used for fixing a screw and is connected with an external rotating mechanism; the guide piece is provided with a guide hole, the guide hole is a through hole, at least three clamping jaws are annularly arranged in the guide hole, and the clamping jaws can be abutted to screws inserted in the guide hole; the elastic piece is arranged between the fixed piece and the guide piece, the elastic piece stretches along the axial direction of the guide hole, and the screw can extend out of the guide piece; and the fixing piece drives the guide piece to rotate together through the limiting piece. The screwing mechanism comprises a rotary power piece and a guide assembly. The locating part can make the guide piece rotate with the mounting together to make guide piece and screw together rotate, only have the friction that the screw removed between screw and the guide piece, make the screw remove more smoothly, be a helping hand screw tapping, improve the precision of tapping, promote tapping efficiency, the wide tapping guide assembly and the tapping screw in mechanism of application screw scope.
Description
Technical field
The utility model relates to mechanical erection fields, screw in mechanism in particular to tapping guidance set and tapping.
Background technique
Tapping screw is also referred to as fast tooth screw, is fast-assembling fastener of the steel through surface Zincing passivation, can twist in rotation
It is fashionable, tap out on the soft or thin type installing component of confronting, and it is firm simultaneously be fixed thereon, have it is easy to use, it is high
The characteristic of effect.
Currently, when just having started tapping, since the position of tapping screw is not fixed, being easy to happen when using tapping screw
Shaking causes tapping to deviate, and causes tapping screw that can not be screwed into, to be screwed into laborious or tapping screw thread stripped thread, accuracy of thread poor, connects
Insecure problem.
Utility model content
In view of this, providing a kind of pair of tapping spiral shell the purpose of this utility model is to overcome deficiency in the prior art
Nail is oriented to, and guarantees that the tapping guidance set of the precision of tapping and tapping screw in mechanism.
For this purpose, the utility model provides the following technical solutions:
Tapping guidance set, comprising: fixing piece, for fixing a screw and being connect with an outside rotating mechanism；Guide part,
Equipped with pilot hole, the pilot hole is through-hole, is equipped at least three clamping jaws on the pilot hole, each clamping jaw can with insert
Screw in the pilot hole abuts；Elastic component, the elastic component are set between the fixing piece and the guide part, institute
Elastic component is stated along the axial stretching of the pilot hole, screw can be stretched out from the guide part；And locating part, the fixing piece
The guide part is driven to rotate together by the locating part.
As the further alternative scheme to above-mentioned guidance set, the guide part can retraction in the fixing piece
In, the locating part includes mutually matched positive stop lug boss and bar shaped sliding slot, the axis of the bar shaped sliding slot and the pilot hole
In parallel.On the one hand positive stop lug boss and bar shaped sliding slot not rotate between fixing piece and guide part, on the other hand to guide part phase
To the flexible guiding of fixing piece.
As the further alternative scheme to above-mentioned guidance set, the fixing piece is equipped with annular groove, described to lead
It is in sleeve-shaped to part, the bar shaped sliding slot is set in the axial direction of the annular groove, and the positive stop lug boss is set to the guide part
On cylinder.
As the further alternative scheme to above-mentioned guidance set, the fixing piece includes being set to the fixing piece end
Fixed part on face, the fixing piece drive screw to rotate together by the fixed part；The end face of the fixing piece is equipped with
Groove, the fixed part are set in the groove, and the groove has the curved surface matched with the screw head.
As the further alternative scheme to above-mentioned guidance set, the fixed part is made of magnet, the groove
Surface be covered with adhesive portion.
As the further alternative scheme to above-mentioned guidance set, each clamping jaw can the relatively described pilot hole it is floating
Dynamic, the top of the clamping jaw is in cambered surface or dome shape.
As the further alternative scheme to above-mentioned guidance set, the guide part further includes clamping jaw elastic component, often
One clamping jaw is connected on the pilot hole by the clamping jaw elastic component.
As the further alternative scheme to above-mentioned guidance set, the top of the clamping jaw is equipped with rotatable rolling
Pearl.
As the further extension to above-mentioned technical proposal, the utility model provides tapping and screws in mechanism, including rotation is moved
Power part and above-mentioned tapping guidance set, described fixing piece one end are equipped with fixed part, and the other end is equipped with interconnecting piece, and the rotation is dynamic
Power part drives the tapping guidance set to rotate by the interconnecting piece.
As the further alternative scheme for screwing in mechanism to above-mentioned tapping, the rotary power part is screwdriver, pulls
Hand or electric drill.
The utility model compared with prior art, has the advantages that
Tapping guidance set and tapping screw in mechanism and can be oriented to being screwed into for tapping screw, pass through leading for guide part
Clamping jaw on hole coaxially fixes screws clamp so that screw is oppositely oriented hole, and guide part withstands on the face of being screwed into and fixes,
To fix the position of screw, when screw is screwed into, screw is oriented to.Meanwhile locating part can make guide part and consolidate
Determine part to rotate together, so that guide part rotates together with screw, rubbing there is only screw movement between screw and guide part
It wipes, the friction of screw rotation may be not present, so that screw movement is more smoothly, is a kind of power-assisted screw tapping, improves tapping
Precision promotes tapping efficiency, is applicable in the wide tapping guidance set of screw range and tapping screw-in mechanism.
For enable the above objects, features, and advantages of the utility model become apparent from it is understandable, preferred embodiment is cited below particularly,
And cooperate appended attached drawing, it is described below in detail.
Detailed description of the invention
It, below will be to use required in embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment
Attached drawing be briefly described, it should be understood that the following drawings illustrates only some embodiments of the utility model, therefore should not be by
Regard the restriction to range as, for those of ordinary skill in the art, without creative efforts, may be used also
To obtain other relevant attached drawings according to these attached drawings.
Fig. 1 shows the axonometric drawing of guidance set provided by the embodiment of the utility model；
Fig. 2 shows a kind of the first axonometric drawings of fixing piece that the utility model embodiment 1 provides；
Fig. 3 shows a kind of the second axonometric drawing of fixing piece of the offer of the utility model embodiment 1；
Fig. 4 shows the axonometric drawing of another fixing piece of the offer of the utility model embodiment 1；
Fig. 5 is the schematic diagram of the section structure of Fig. 4；
Fig. 6 shows the schematic diagram of the section structure of another fixing piece of the offer of the utility model embodiment 1；
Fig. 7 shows the schematic diagram of the section structure of another fixing piece of the offer of the utility model embodiment 1；
Fig. 8 shows the schematic diagram of the section structure of another fixing piece of the offer of the utility model embodiment 1；
Fig. 9 shows the axonometric drawing of the guide part of the offer of the utility model embodiment 1；
Figure 10 is the schematic diagram of the section structure of Fig. 9；
Figure 11 shows the cross-section structure signal of guide part of the clamping jaw with ball of the offer of the utility model embodiment 1
Figure；
Figure 12 shows the axonometric drawing of the guidance set of the offer of the utility model embodiment 2；
Figure 13 is the bottom view of Figure 12；
Figure 14 is the schematic diagram of the section structure of Figure 12；
Figure 15 shows the axonometric drawing of the guidance set of the offer of the utility model embodiment 3；
Figure 16 is the bottom view of Figure 15；
Figure 17 shows the schematic diagram of the section structure for the guide part that the utility model embodiment 4 provides；
Figure 18 shows the schematic diagram of the section structure of the guide part of the offer of the utility model embodiment 5；
Figure 19 shows the axonometric drawing of the guide part of the offer of the utility model embodiment 6；
Figure 20 is the schematic diagram of the section structure of Figure 19；
Figure 21 shows the axonometric drawing of the guidance set of the offer of the utility model embodiment 7；
Figure 22 shows the axonometric drawing of the guide part of the offer of the utility model embodiment 7；
Figure 23 shows the main view of the guidance set of the offer of the utility model embodiment 8；
Figure 24 shows a kind of decomposition texture cross-sectional view of guidance set of the offer of the utility model embodiment 8；
Figure 25 shows the decomposition texture cross-sectional view of another guidance set of the offer of the utility model embodiment 8；
Figure 26 shows a kind of axonometric drawing of the guide part of unlatching of the offer of the utility model embodiment 9；
Figure 27 shows the axonometric drawing of another guide part opened of the offer of the utility model embodiment 9；
Figure 28 shows the decomposition texture schematic diagram of the guidance set of the offer of the utility model embodiment 9；
Figure 29 shows the axonometric drawing of the guide part of the unlatching of the offer of the utility model embodiment 10；
Figure 30 shows the decomposition texture schematic diagram of the guidance set of the offer of the utility model embodiment 10.
Icon: 1- guidance set；11- fixing piece；110- accommodation groove；111- interconnecting piece；112- fixed part；113- magnetic
Portion；114- adhesive portion；The heating part 115-；116- bar shaped sliding slot；117,128- connecting hole；1171,1281- magnet；12- guiding
Part；120- pilot hole；1201- is oriented to inner cylinder；1202- is oriented to outer cylinder；12021- folding portion；1203- anti-slip part；121- clamping jaw；
The first guide surface of 1211-；The second guide surface of 1212-；122- clamping jaw elastic component；123- positive stop lug boss；124- chip space；125- rolling
Moving part；126- ball；1261- ball elastic component；127,12a2- claw；12a- semicircular cylinder；12a1- card slot；12a3- bar shaped is convex
Platform；12a4- aligns boss；12a5- aligns groove；13- elastic component；14- gland；15- elastic.
Specific embodiment
As shown in Figure 1, tapping guidance set 1 is used to access the rotatory force of tapping screw, and tapping screw is screwed into
It is oriented to when in object.
Guidance set 1 includes fixing piece 11, guide part 12 and elastic component 13, and elastic component 13 is set to fixing piece 11 and guide part
Between 12.Fixing piece 11 is used to clamp the flank of screw for screw to be fixed to and accessed a rotary power, guide part 12.
The screw being fixed on fixing piece 11 is pierced by by guide part 12, and guide part 12 is connected to being screwed on face of screw, by by spiral shell
The flank of nail clamps, to prevent screw from shaking so that screw to be screwed into direction more stable.In the process that screw is screwed into
In, guide part 12 is connected on the face of being screwed into always, and fixing piece 11 is connected to screw constantly towards face movement is screwed into, thus by elastic
Part 13 compresses.
Tapping screws in mechanism, and including rotary power part and above-mentioned tapping guidance set 1, rotary power part passes through interconnecting piece
111 are connected on fixing piece 11, screw rotation are driven by fixing piece 11, so that power-assisted screw screws in.
Rotary power part is screwdriver, spanner or electric drill.Guidance set 1 is a kind of adapter assembly, and screw is fixed on rotation
On rotatory force part, screw is screwed in manually by screwdriver, spanner, or is automatically screwed in screw by electric drill.
Embodiment 1
Referring to Figure 2 together and Fig. 3, in the present embodiment, fixing piece 11 includes interconnecting piece 111 and fixed part 112, connection
Portion 111 is used to access external rotating mechanism connection, and fixed part 112 is for fixing a screw, and fixing piece 11 is by rotating mechanism
Rotatory force is transmitted on screw.Fixing piece 11 passes the rotary power on spanner or rotating mechanism relative to a kind of switching part
It is delivered on screw, so that spanner or rotating mechanism drive screw to rotate together, so that tapping screw can be in rotation
Drilling and tap out on its component being screwed into.
Fixing piece 11 is cylindrical, and one end of cylinder is equipped with interconnecting piece 111, and the other end is equipped with fixed part 112.
Interconnecting piece 111 can be the rectangular or hexagon boss on fixing piece 11, that is, be set to outer on 11 end face of fixing piece
Quadrangle or outer-hexagonal.For accessing the spanner or rotating mechanism that have interior quadrangle or interior hexagonal, thus with spanner or rotating mechanism
Non-rotating connection is formed, rotary power is linked on fixing piece 11, the screw on fixing piece 11 is driven to rotate together.
Square groove or hexagonal indentations on interconnecting piece 111 or fixing piece 11, for accessing with quadrangle or
Rotary power is linked into fixation to form non-rotating connection with spanner or rotating mechanism by the spanner or rotating mechanism of hexagonal
On part 11, the screw on fixing piece 11 is driven to rotate together.
As shown in figure 4, interconnecting piece 111 is the square groove on fixing piece 11 in the present embodiment.
Interconnecting piece 111 is made of magnet.The connector of spanner or rotating mechanism is usually made of cast iron or steel, by interconnecting piece
111 are arranged to magnet, enable to interconnecting piece 111 to form magnetic with spanner, the rotating drive part being connected thereto and connect, connect
It is more firm and stable.
Fixed part 112 can be in linear type boss, cross boss, scroll shape boss, square boss, hexagon boss
One kind.The end face of screw may have linear type groove, cross groove, scroll connected in star, interior quadrangle, interior hexagonal, according to
It needs to be arranged different types of boss to block screw, be rotated together so that fixing piece 11 is able to drive screw.
In the present embodiment, fixed part 112 is linear type boss, and linear type boss can adapt to linear type, cross, interior four
The groove of the diversified screw end face such as angle, interior hexagonal, versatility are stronger.
Fixed part 112 can also be made of magnet, so as to further make the company between screw and fixing piece 11
It is more preferable to connect effect, while can separate at any time again, stable radial clamping power can be provided, so that fixing piece 11 drives screw
It rotates together, and is capable of providing certain axial the suction-combining force, so that screw opposite can not fall off under normal conditions with fixing piece 11,
It when screw is screwed into the face of being screwed into, is separated by drawing fixing piece 11 with screw, assembly and disassembly are simple, it is reliable to be fixed conveniently.
Please refer to fig. 5, fixing piece 11 is equipped with accommodation groove 110, fixed part 112 is set in accommodation groove 110.By spiral shell
The cap section of nail is embedded in accommodation groove 110, so as to form more stable and firm clamping to screw.Accommodation groove 110
Bottom surface has the radian that matches with screw end face so that when screw is connected on fixed part 112 between fixing piece 11 shape
At coming into contact in a large area.
As shown in fig. 6, in another embodiment, fixing piece 11 further includes magnetic part 113, magnetic part 113 is used for screw
End face absorption.
Specifically, magnetic part 113 is set to the surface of accommodation groove 110, thus the screw to the surface for fitting in accommodation groove 110
Absorption is formed, further enhances fixing piece 11 to the fixed effect of screw, so that screw is when close to accommodation groove 110, to accommodating
It is bonded in slot 110, the card slot of screw end can accurately engage with fixed part 112.Adsorption section setting, which is advantageous in that, does not deposit
In absorption fatigue, no matter screw adsorbs how many times on adsorption section is still able to maintain adsorption effect as before.
Fixing piece 11 is by the clamping and magnetic part 113 of fixed part 112 and the groove of screw end to screw end face
Magnetic, formed it is dual be connected and fixed, more efficiently can transfer power on screw, while screw can be prevented random
Move along its axis.
As shown in fig. 7, in another embodiment, fixing piece 11 includes adhesive portion 114, and adhesive portion 114 is by the end of screw
Adherency.Specifically, adhesive portion 114 is set to the surface of accommodation groove 110, thus the screw shaped to the surface for being adhered to accommodation groove 110
At adherency, fixing piece 11 is further enhanced to the fixed effect of screw, so that screw is bonded into accommodation groove 110, screw end
Card slot can accurately engage with fixed part 112.The setting of adhesive portion 114 is advantageous in that no matter screw is the equal energy of which kind of material
Enough formed to screw good is connected and fixed effect.Adhesive portion 114 can be the double-sided adhesive set on 110 surface of accommodation groove, on one side
It is adhered on accommodation groove 110, another side is used to be bonded the end of screw.
Fixing piece 11 is by the clamping and adhesive portion 114 of fixed part 112 and the groove of screw end to screw end face
Bonding, formed it is dual be connected and fixed, more efficiently can transfer power on screw, while screw can be prevented random
Move along its axis.
As shown in figure 8, in another embodiment, fixing piece 11 includes adhesive portion 114 and heating part 115, adhesive portion 114 will
The end of screw adheres to, and heating part 115 is used for caking portion 114.
Heating part 115 is set to 114 inside of adhesive portion, and fixing piece 11 is equipped with the switch that control heating part 115 works.Add
Hot portion 115 is embedded in accommodation groove 110, annularly, the fixed part 112 being set at 110 center of accommodation groove is avoided, adhesive portion
114 are set to outside heating part 115, on the surface of accommodation groove 110.Power supply unit, power supply unit and heating are additionally provided in fixing piece 11
Portion 115 is electrically connected, by the closure of switch so that power supply unit is the power supply of heating part 115, the work of control heating part 115.
The adhesive effect of adhesive portion 114 is affected by temperature, and temperature is higher, and the viscosity of adhesive portion 114 is lower, thus
It is required that when adhesive portion 114 is separated with screw, start 115 caking portion 114 of heating part, smoothly make screw with it is Nian Jie
Portion 114 separates.
Need to illustrate when, 114 a part of adhesive portion is adhered on accommodation groove 110, and a part is opposite with adhesive portion 114,
So as to be effectively prevented heating part 115 when heated, adhesive portion 114 is separated with 110 surface of accommodation groove.
Also referring to Fig. 9, in the present embodiment, guide part 12 is equipped with pilot hole 120, and pilot hole 120 is through-hole.Specifically
, guide part 12 can be cylindrical, and the inner hole of cylinder is pilot hole 120, and the setting of through-hole enables screw self- steering part
12 penetrate to fixing piece 11 and are pierced by from fixing piece 11 into guide part 12.The end face of guide part 12 and the axis of pilot hole 120
Vertically, when twisting screw, the end face of guide part 12 is withstood on the face of being screwed into, to the position of pilot hole 120 be fixed, pilot hole
120 axis is vertical with face is screwed into, so that screw is vertical with face is screwed into always.
It is equipped at least three clamping jaws 121 on pilot hole 120, in the present embodiment, three 121 annular spreads of clamping jaw, thus
What can be circularized to screw shaped embraces folder, prevents screw from shaking in pilot hole 120.
Clamping jaw 121 is fixed relative to pilot hole 120, and each clamping jaw 121 can be supported with the screw being inserted in pilot hole 120
It connects, the top of the clamping jaw 121 of circle distribution is on same cylinder.The screw that pilot hole 120 is oriented to is a kind of headless screw, end
Portion is equipped with deep gouge.It is oppositely oriented the fixed clamping jaw 121 in hole 120, a kind of headless screw of size can be only oriented to.
As shown in Figure 10, in the present embodiment, clamping jaw 121 can be oppositely oriented the floating of hole 120, and each clamping jaw 121 passes through floating
Be adaptively connected to the surface of screw, clamp guiding to be formed to screw, prevent the shaking of screw.Pass through relocatable folder
The setting of pawl 121 enables guide part 12 to be oriented to cap screw, is capable of the screw section of pinching screw, and can make
The cap section of screw passes through, while can also adaptability the various sizes of screw of clamping, the scope of application of guide part 12 is stronger.
Further, clamping jaw 121 is uniformly distributed in a ring on pilot hole 120.Equally distributed 121 energy of clamping jaw of annular
Enough chucking powers that stable and uniform is formed to screw, prevent the clamping of screw from deviating.
The top of clamping jaw 121 is smooth curved surface, smooth curved surface become clamping jaw 121 contacted with the line of screw, face contact into
Point contact, so that clamping jaw 121 is under the premise of having the function of circular orientation to screw, by reducing clamping jaw as far as possible
The obstruction of 121 pairs of screws enables screw opposing fingers 121 smoothly to move.
Guide part 12 further includes clamping jaw elastic component 122, and each clamping jaw 121 is connected to pilot hole by clamping jaw elastic component 122
On 120.Clamping jaw elastic component 122 along pilot hole 120 radial expansion so that clamping jaw 121 can be along the radial direction of pilot hole 120
It floats, each clamping jaw 121 can be fallen on the cylinder of the cylinder coaxial with pilot hole 120 when floating, so that screw
The movement coaxial with pilot hole 120 in pilot hole 120.
Meanwhile by the setting of clamping jaw elastic component 122, so that clamping jaw 121 has rebound after being oppositely oriented 120 retraction of hole
Reset force so that clamping jaw 121 is with floating with by screws clamp.
Specifically, clamping jaw elastic component 122 can be spring.By spring being arranged radially along pilot hole 120, the axis of spring
Fall in pilot hole 120 diametrically, spring is a kind of elastomeric element of technology maturation, has various standardized sizes, rigidity
It can be customized according to use demand, and spring is capable of providing stable contractility, stretch the service life with million fatigues.
Clamping jaw 121 is in bulk, including the first guide surface 1211 and the second guide surface 1212.Pilot hole 120 includes opposite
First end and second end, the first guide surface 1211 are used for the screw guiding that opposite second end penetrates, and the second guide surface 1212 is used for
The screw guiding that opposite first end is pierced by.The screw that as the first guide surface 1211 is used to penetrate on opposite fixing piece 11 is led
To the screw that the second guide surface 1212 is used to be pierced by self- steering part 12 is oriented to, and the thread segment and cap section of screw have not
Same bar diameter, is oriented to the variation of bar diameter by using the first guide surface 1211 and the second guide surface 1212, prevents screw
Cap section it is stuck on clamping jaw 121, cap section is step by step pushed clamping jaw 121 when being moved on clamping jaw 121, thus
Swimmingly slip over clamping jaw 121.
The edge of first guide surface 1211 and the second guide surface 1212 intersects with the wall surface of pilot hole 120 always, so as to
The formation of enough and pilot hole 120 is smoothly oriented to transition.
Top for cap section is in the screw of arc surfaced, and the angle of the first guide surface 1211 and the axis of pilot hole 120 is big
In the angle of the second guide surface 1212 and the axis of pilot hole 120.The gradient of first guide surface 1211 is greater than the second guide surface
1212 gradient.When screw is pushed into guide part 12, screw head itself has certain guide effect, can be more suitable
Freely clamping jaw 121 is pushed.The bottom of the cap section of screw in planar, need to come by the second guide surface 1212 completely to screw into
Row guiding, thus the guidance capability of the second guide surface 1212 should be greater than the guidance capability of the first guide surface 1211.
For cap section top be plane, between cap section and thread segment by inclined-plane seamlessly transit screw for, first
Angle of the angle of the axis of guide surface 1211 and pilot hole 120 less than the second guide surface 1212 and the axis of pilot hole 120.
The gradient of the gradient of first guide surface 1211 less than the second guide surface 1212.When screw is pushed into guide part 12, need completely
The first guide surface 1211 is leaned on to be oriented to screw, when screw guide 12 is extrapolated, the inclined-plane of screw has certain
Guide effect, more swimmingly clamping jaw 121 can be pushed, thus the guiding of the first guide surface 1211 can should be greater than
The guidance capability of two guide surfaces 1212.
In the present embodiment, the intersection of the first guide surface 1211 and the second guide surface 1212 is seamlessly transitted.First guide surface
1211 and second guide surface 1212 boundary be clamping jaw 121 top so that the first guide surface 1211 and the second guide surface 1212
Boundary smooth excessiveness, as so that clamping jaw 121 has smooth top, thus reduce as far as possible clamping jaw 121 and screw it
Between frictional force.
As shown in figure 11, the top of clamping jaw 121 is equipped with rotatable ball, i.e. the first guide surface 1211 and the second guide surface
1212 intersection is equipped with ball, ball universal rolling on clamping jaw 121, thus become the sliding friction of screw and clamping jaw 121 into
Rolling friction, so that the movement of screw opposing fingers 121 is more smoothly.
Clamping jaw 121 can be made of nylon material, and nylon has preferable wearability, while again with the effect of self-lubricating
Fruit enables to the sliding of the screw on clamping jaw 121 more smooth.
In another embodiment, clamping jaw 121 is made of metal clips, the two ends of metal clips connect with pilot hole 120 and in
It arches upward in portion.The metal clamp elastic slice that the metal clips to arch upward is similar in socket is similar, has the component of insertion and pilot hole 120
The effect of clamping.The two ends of metal clips are connect with pilot hole 120, and middle part is arched upward, and are had smoothly Zi arching upward for connection side to middle part
Intermediate incline, good guiding can be formed to mobile screw, good armful of folder can be formed to screw, and can avoid
The cap section of screw, makes it through.
Elastic component 13 is set between fixing piece 11 and guide part 12, enables 11 counter-guide 12 of fixing piece flexible,
Guide part 12 is constantly mobile to fixing piece 11 with being screwed into for screw, with adapt to 11 end face of fixing piece to the face that is screwed into distance
Variation, while still be able to guarantee guide part 12 always by screws clamp.
Elastic component 13 can be spring, and flexible by spring enables screw to change the length stretched out in self- steering part 12
Degree, the internal diameter of spring are greater than the aperture of pilot hole 120, can be connected by spring between fixing piece 11 and guide part 12.
In the present embodiment, fixing piece 11 rotates together with lower moving guide 12, and guide part 12 is relatively fixed by elastic component 13
Part 11 is flexible, so that the screw being installed in guidance set 1 can rotate together with fixing piece 11, guide part 12, and lead to
The ejection for crossing fixing piece 11 is stretched out to outside guide part 12, is screwed into being screwed into face for tapping screw.
Embodiment 2
Also referring to Figure 12 to Figure 14, the present embodiment the difference from embodiment 1 is that, tapping guidance set 1 further includes
Locating part, fixing piece 11 are rotated together by locating part band lower moving guide 12, and the effect of locating part is to limit fixing piece 11 and lead
Rotation between part 12, but it is dynamic not hinder guide part 12 to contract on fixing piece 11.
Specifically, locating part includes mutually matched positive stop lug boss 123 and bar shaped sliding slot 116, bar shaped sliding slot 116 with lead
Axis to hole 120 is parallel.Fixing piece 11 and guide part 12 are in sleeve-shaped, and fixing piece 11 and guide part 12 are coaxially disposed, lead
It is coaxially disposed to the outer cylinder of hole 120 and guide part 12, by making the extending direction of bar shaped sliding slot 116 and pilot hole 120
Axis is parallel, so that guide part 12 can move in the contracting of smooth on fixing piece 11.
Positive stop lug boss 123 and 116 one side of bar shaped sliding slot can guarantee not rotate between guide part 12 and fixing piece 11, together
When the movement of 12 opposed fixed member 11 of guide part can be oriented to again.
Further, fixing piece 11 is equipped with annular groove, and guide part 12 is in sleeve-shaped, and bar shaped sliding slot 116 is set to annular groove
Axial direction on, positive stop lug boss 123 be set to guide part 12 cylinder on.So that being formed between guide part 12 and fixing piece 11
Key connection, and the key connection is a kind of clearance fit connection, guide part 12 can slide in the annular groove of fixing piece 11.
Elastic component 13 is set in the annular groove of fixing piece 11, and annular groove is matched with the section of the guide part 12 of sleeve-shaped.
Due to the setting of elastic component 13,12 opposed fixed member 11 of guide part is enabled to stretch out under normal conditions, with the stretching of screw, constantly
Compression elastic piece 13, the retraction into the annular groove of fixing piece 11 of guide part 12.
Meanwhile 12 opposed fixed member 11 of guide part loosens in order to prevent, the end face of fixing piece 11 is equipped with gland 14, gland
14 is annular in shape, after guide part 12 is inserted on fixing piece 11, gland 14 is connected on the end face of fixing piece 11, gland 14
The outer diameter of inner hole and guide part 12 match, since guide part 12 is equipped with positive stop lug boss 123, positive stop lug boss 123 with pressure
When lid 14 abuts, it can prevent guide part 12 from loosening from annular groove, so that guide part 12 is fixed on fixing piece 11.
The maximal clearance being greater than between guide part 12 and fixing piece 11 that the free development length of spring is arranged, to make
Guide part 12 is obtained when being connected in fixing piece 11, the spring being set between guide part 12 and fixing piece 11 is enabled to have one
Fixed precommpression, so as to guarantee under normal conditions, guide part 12 can stretch out in self-retaining part 11, and it is bigger to can adapt to length
Screw.
In the present embodiment, guide part 12 can fully retraction in fixing piece 11, screw is on being fixed on fixing piece 11
When, the thread segment of screw can be completely exposed.So that being oriented to the screw being screwed into using guidance set 1 can completely be screwed into
In being screwed into face, the fully functional Du Genggao of guidance set 1.
It should be noted that locating part may be used also other than it can be the structure of positive stop lug boss 123 and bar shaped sliding slot 116
To be the guide part 12 by using non-revolved body shape, such as the guide part 12 of prism-shaped, fixing piece 11 is equipped with and guide part 12
The groove that matches of cross section can opposite contracting so that row is in non-rotating connection between guide part 12 and fixing piece 11
It is dynamic but relatively unrotatable.
Embodiment 3
Also referring to Figure 15 to Figure 16, the present embodiment the difference from example 2 is that, guide part 12 be equipped with chip space
124, chip space 124 is the through slot being connected on guide part 12 with pilot hole 120.Tapping screw when being screwed into. while drilling
Tapping has a certain amount of chip discharge, since the end face of guide part 12 is withstood on the face of being screwed into, guide part 12 and be screwed into face it
Between without gap, by being equipped with chip space 124 on guide part 12, pilot hole 120 is got through with the external world, so that being deposited in
Chip discharge in pilot hole 120 prevents heap so that being screwed into for the screw being oriented to using guidance set 1 is more stable and smooth
Chip of the product in pilot hole 120 hinders the movement of screw.
Even circumferential is distributed on multiple 124 pilot holes 120 of chip space.In the present embodiment, even circumferential point on pilot hole 120
There are three chip spaces 124 for cloth, so that the chip being deposited in guide part 12 has uniform outlet, can uniformly flow from outlet
Out, while making the screw uniform force rotated, further promote screw is screwed into precision.
Guide part 12 is cylindrical, and the cylinder of pilot hole 120 and guide part 12 is coaxially disposed, and chip space 124 is set to guiding
On the end face of part 12 and self- steering hole 120 is through to the cylinder of guide part 12.Guiding is being screwed into screw using guidance set 1
When, the chip overflowed from screw hole is on the surface for being screwed into face, and the end face of guide part 12 is abutted with the face of being screwed into, so that being screwed into face
Gap is formed between guide part 12, so that the chip overflowed from screw hole is directly flowed out from chip space 124.
The opening of opening of the chip space 124 on pilot hole 120 to 12 cylinder of guide part becomes larger.Chip space 124
It is open smaller, pressure suffered by chip is bigger, by the way that the chip space 124 of flared type is arranged, so that chip can be to small
Pressure direction is mobile, facilitates the discharge of chip.
Embodiment 4
As shown in figure 17, the present embodiment the difference from example 2 is that, guide part 12 include guiding inner cylinder 1201 and guiding
Outer cylinder 1202 is oriented in inner cylinder 1201 and is formed with guiding, and guiding outer cylinder 1202 is rotationally sheathed on outside guiding inner cylinder 1201.
By the way that mutually rotation guiding inner cylinder 1201 and guiding outer cylinder 1202 is arranged, guiding inner cylinder 1201 and fixing piece 11 are limited
Connection, above-mentioned positive stop lug boss 123 are set on guiding inner cylinder 1201, and pilot hole 120 is set on guiding inner cylinder 1201.It is oriented to inner cylinder
Positive stop lug boss 123 on 1201 is higher than the cylinder of guiding outer cylinder 1202 so that guiding outer cylinder 1202 can retraction in fixation
In part 11.
Guiding inner cylinder 1201 rotates together with fixing piece 11, screw, and guiding outer cylinder 1202 is oppositely oriented the rotation of inner cylinder 1201,
Thus when using guidance set 1, guiding outer cylinder 1202 can be fixed on being screwed into face by ejection, reduce guide part 12 and twist
Enter the frictional force between face, so that being screwed into for screw is more smoothly.On the other hand it for the face that is screwed into for being easy to scratch, uses
The guiding outer cylinder 1202 of rotation can play good protecting effect to the face of being screwed into.
Guide part 12 further includes bearing, and guiding outer cylinder 1202 is connected to outside guiding inner cylinder 1201 by bearing.Bearing inner race
It is connect with guiding inner cylinder 1201, bearing outer ring is connect with guiding outer cylinder 1202, to become guiding inner cylinder 1201 and guiding outer cylinder
Sliding friction between 1202 is rolling friction, if guiding outer cylinder 1202 and the frictional force being screwed between face are greater than bearing internal external circle
Frictional force, then be oriented to the pressing that outer cylinder 1202 can be firm on being screwed into face so that guiding outer cylinder 1202 do not rotate.
Guiding 1202 one end of outer cylinder is longer than guiding inner cylinder 1201, and screw passes through self- steering outer cylinder 1202 after guiding inner cylinder 1201
End face be pierced by.Guiding inner cylinder 1201 rotates together with screw, and guiding outer cylinder 1202, which is connected on the face of being screwed into, not to be turned.It is oriented to outer cylinder
1202 are equipped with folding portion 12021, and folding portion 12021 is the annulus being oriented on 1202 end face of outer cylinder, pass through folding portion 12021
The contact surface for increasing guiding outer cylinder 1202 and being screwed between face is set, so that guide part 12 is more steady in the support being screwed on face
It is fixed.Guiding outer cylinder 1202 be longer than guiding inner cylinder 1201 so that guiding inner cylinder 1201 not be screwed into face contact, avoid guiding inner cylinder
1201 and be screwed between face generate friction.
The one side that guiding 1202 screwing of outer cylinder is pierced by is equipped with anti-slip part 1203.In the present embodiment, anti-slip part 1203 is arranged
In folding portion 12021.The frictional force that the setting of anti-slip part 1203 increases guiding outer cylinder 1202 and is screwed between face, as far as possible
Make be oriented to outer cylinder 1202 do not rotate.
Anti-slip part 1203 is rubber sheet gasket.Flexible deformation occurs for rubber sheet gasket, so that outer cylinder will be oriented to when receiving extruding
1202 and the gap filling that is screwed between face and swelling, to achieve the effect that anti-skidding.
Anti-slip part 1203 can also be the non-slip texture on guiding 1202 end face of outer cylinder.By the way that non-slip texture is arranged, thus
Increase the coefficient of friction on guiding 1202 end face of outer cylinder, the frictional force for increasing guiding outer cylinder 1202 and being screwed between face.
Embodiment 5
As shown in figure 18, the interface of pilot hole 120 and guide part 12 is plane, i.e. the end face of guide part 12 is plane,
At least three rolling members 125 are equipped with along pilot hole 120 in the plane, and each rolling member 125 is from the planar projections.It is led in use
When to component 1, on being screwed into face, fixing piece 11 rotates 12 ejection of guide part together with lower moving guide 12, by guide part 12
End face on rolling member 125 is set, become guide part 12 and the sliding friction that is screwed between face as rolling friction, reduce guide part
12 and the frictional force that is screwed between face, enable to the rotation of guide part 12 more smooth.On the other hand for being easy to scratch
It is screwed into face, the guide part 12 of rolling member 125 is had using end face, good protecting effect can be played to the face of being screwed into.
Rolling member 125 is distributed in the end face even circumferential of guide part 12.The rolling member 125 of even circumferential distribution is capable of providing
Uniform and stable support force guarantees the guiding accuracy of guide part 12 as much as possible.
In the present embodiment, rolling member 125 is ball.It ball and is screwed between face and forms point contact, ball is embedded in guiding
In the end face of part 12, universal rotational is formed, the requirement of installation accuracy is low, easy to produce and assembly.
Rolling member 125 can also be column roll body, the axis of roll body pilot hole 120 radially.Guide part 12 is around certainly
The end face of body axis rotation, guide part 12 rotates coaxially, and end face is arranged in radially in the axis of rolling member 125, to make
It is vertical with the circle tangent line of rotation to obtain rolling member 125, the rotation for enabling to guide part 12 more smoothly.
Embodiment 6
Also referring to Figure 19 and Figure 20, the present embodiment the difference from embodiment 1 is that, do not set clamping jaw on pilot hole 120
121, but at least three balls 126 are equipped with, three balls 126 are along 120 annular spread of pilot hole, so as to screw shaped
What is circularized embraces folder, prevents screw from shaking in pilot hole 120.
Each ball 126 can be oppositely oriented 120 universal rotational of hole, each ball 126 can be inserted in pilot hole 120
Screw abuts, and the top of the ball 126 of circle distribution is on same cylinder.The screw that pilot hole 120 is oriented to is a kind of without a head
Screw, end are equipped with deep gouge.It is oppositely oriented the fixed ball 126 in hole 120, a kind of headless screw of size can only be led
To.
The sliding friction that the universal rotational that ball 126 is oppositely oriented hole 120 becomes screw and ball 126 subtracts into rolling friction
The small frictional force of ball 126 and screw, so that movement of the screw in pilot hole 120 is more smoothly.
In the present embodiment, ball 126 can be oppositely oriented the floating of hole 120, the adaptive abutting that each ball 126 passes through floating
On the surface of screw, guiding is clamped to be formed to screw, prevents the shaking of screw.Pass through setting for relocatable ball 126
It sets, guide part 12 is oriented to cap screw, be capable of the screw section of pinching screw, and enable to the cap of screw
Section passes through, at the same can also adaptability the various sizes of screw of clamping, the scope of application of guide part 12 is stronger.
Further, ball 126 is uniformly distributed in a ring on pilot hole 120.The equally distributed ball 126 of annular can
The chucking power that stable and uniform is formed to screw, prevents the clamping of screw from deviating.
Guide part 12 further includes ball elastic component 1261, and each ball 126 is connected to guiding by ball elastic component 1261
On hole 120.Ball elastic component 1261 along pilot hole 120 radial expansion so that ball 126 can be along pilot hole 120
Radial floating, each ball 126 can be fallen on the cylinder of the cylinder coaxial with pilot hole 120 when floating, so that
Screw movement coaxial with pilot hole 120 in pilot hole 120.
Specifically, ball elastic component 1261 can be spring.By spring being arranged radially along pilot hole 120, the axis of spring
Line falls in pilot hole 120 diametrically, and spring is a kind of elastomeric element of technology maturation, has various standardized sizes, just
Degree can be customized according to use demand, and spring is capable of providing stable contractility, be stretched the service life with million fatigues.
Ball 126 has mellow and full surface, can have good guiding role to mobile screw, so that the cap section of screw
More easy insertion or stretching.
Ball 126 can be steel ball, can also be made of nylon material, and nylon has preferable wearability, while again
Have the effect of self-lubricating, enables to the sliding of the screw on 126 pawl of ball more smooth.
Embodiment 7
1 and Figure 22 referring to Figure 2 together, the present embodiment the difference from example 2 is that, guide part 12 is to fixing piece 11
When mobile, it can be connected on fixing piece 11.Being screwed into for screw is oriented to using guidance set 1, when screw is screwed into depth
When enough, screw is no longer shaken, if guide part 12 is still oriented at this time, guide part 12 rotates the friction of generation on being screwed into face
Obstruction exists always.It is connected on fixing piece 11 by the way that guide part 12 is pulled back, so that guide part 12 be avoided to contact with metope, is subtracted
While less friction, also there is certain protecting effect to metope.
Fixing piece 11 and guide part 12 are fastened by card slot and claw 127.Card slot and claw 127 are a kind of common clampings
Structure, structure is simple, and clamping is reliable.
Guide part 12 can be kept fixed in fixing piece 11 in retraction.Guide part 12 is equipped with claw 127 close to end,
Claw 127 is the metal clips on 12 end of guide part, and metal clips one end is connected on the cylinder of guide part 12, close to guiding
The metal clips of 12 end of part tilts.Fixing piece 11 is equipped with card slot, when 12 retraction of guide part is in fixing piece 11, claw 127
It is engaged with card slot, metal clips makes guide part 12 and fixing piece 11 form interference fit, to guide part 12 is fixed on solid
Determine in part 11.By pressing metal clips, guide part 12 can be made to separate with fixing piece 11.
It is appreciated that guide part 12 and fixing piece 11 can also use other kinds of clamping structure.
Embodiment 8
As shown in figure 23, the present embodiment the difference from example 2 is that, the guidance set 1 of the present embodiment includes fixing piece
11, guide part 12 and elastic 15.Fixing piece 11 is connect by least two elastics 15 with guide part 12, and elasticity is lived along pilot hole
120 axial stretching, screw can stretch out in self- steering part 12.
It is connected between fixing piece 11 and guide part 12 by elastic 15, elastic 15 is capable of providing stable axial stretching
Power, and there is preferable radial rigidity, enabling to fixing piece 11, effectively band lower moving guide 12 rotates together.It can save solid
Determine the position limiting structure between part 11 and guide part 12, enhances the radially connected rigidity between fixing piece 11 and guide part 12.
In the present embodiment, elastic component 13 can be detachable with opposed fixed member 11 and guide part 12, in other examples,
Elastic component 13 can be detachable with opposed fixed member 11 or guide part 12.So that fixing piece 11 or guide part 12 are replaceable, needle
To the screw of different dimensions, different fixing piece 11 or guide part 12 are replaced, while can be in fixing piece 11 or guide part
It is individually repaired or is replaced when 12 damage, increased the using flexible of guidance set 1, reduce the dimension of guidance set 1
Protect cost.
It can be connected using magnetic between fixing piece 11 and elastic 15, can also be adopted between guide part 12 and elastic 15
It is connected with magnetic, magnetic connection is convenient to mount and dismount, and there is no disassembly fatigues, and dismantling repeatedly still has connection performance as before.Using
Magnetic connection fixing piece 11 and guide part 12 should be made of magnetic separator, prevent attract screw, hinder screw movement and
So that screw position deviates.
As shown in figure 24, in the present embodiment, fixing piece 11 is equipped with connecting hole 117, is equipped with magnet in connecting hole 117
1171, elastic 15 is made of magnetic material, and fixing piece 11 is made of magnetic separator.Guide part 12 is equipped with connecting hole 128, even
It connects and is equipped with magnet 1281 in hole 128, guide part 12 is made of magnetic separator.Magnetic separator can be stainless steel or aluminium alloy.
As shown in figure 25, in another embodiment, by the connecting hole 117,128 on fixing piece 11, guide part 12
Setting clamps elastic slice, similar to the structure of the elastic slice in socket.Elastic 15 is being inserted in fixing piece 11, in guide part 12
It when in connecting hole 117,128, clamps elastic slice and clamps elastic 15, form the holding connection of plug-in.
Embodiment 9
As shown in figure 26, the present embodiment and the difference of embodiment 8 are, 12 relative resilient column 15 of guide part is detachable.It leads
It include two semicircular cylinder 12a to part 12, two one side semicircular cylinder 12a rotationally connect, another side clamping connection.Two semicircular cylinders
12a encloses pilot hole 120, in pilot hole 120 floating ground be equipped with clamping jaw 121, each clamping jaw 121 can be inserted in pilot hole
Screw in 120 abuts.
Pilot hole 120 is through-hole, and the setting of through-hole enables screw self- steering part 12 to penetrate to fixing piece 11 and from admittedly
Determine part 11 to be pierced by into guide part 12.The end face of guide part 12 is vertical with the axis of pilot hole 120, when twisting screw, guide part
12 end face is withstood on the face of being screwed into, so that the position of pilot hole 120 be fixed, the axis of pilot hole 120 is vertical with face is screwed into, from
And make screw vertical with face is screwed into always.
Two semicircular cylinder 12a are rotationally connected on one side, and another side can fasten, and two semicircular cylinder 12a have been formed when fastening
Whole pilot hole 120.One semicircular cylinder 12a is equipped with card slot 12a1, is accordingly equipped on another semicircular cylinder 12a and card slot
The claw 12a2 that 12a1 matches.Two semicircular cylinder 12a form being fastened and connected for plug-in.Rotation connection, can use hinge
Or the component of similar hinge connects.
It is equipped with card slot 12a1 in one semicircular cylinder 12a, is equipped with claw 12a2 in another semicircular cylinder 12a, claw 12a2 is adopted
With spring-piece type, the surface of semicircular cylinder 12a is equipped with the button that claw 12a2 can be driven mobile, makes claw by button press
12a2 is separated with card slot 12a1, so that two semicircular cylinder 12a are opened, when claw 12a2 engages with card slot 12a1, two semicircles
Cylinder 12a is fastened.
As shown in figure 27, in other embodiments, card slot 12a1 and claw 12a2 can also be respectively arranged on semicircular cylinder 12a
Outer surface, claw 12a2 be set on the surface semicircular cylinder 12a boss, card slot 12a1 be set on the surface semicircular cylinder 12a have with
The button for the through slot that boss matches, and the button can opposite semicircle cylinder 12a fold, by fold button and boss fasten or
Separation.
The cylinder of two semicircular cylinder 12a is equipped with bar shaped boss 12a3 at semicircular cylinder 12a buckling surface.Bar shaped boss 12a3
For the point of application that the separation of two semicircular cylinder 12a provides, after the buckling surface of two semicircular cylinder 12a fastens, in the table of guide part 12
Face forms straight line, and two bar shaped boss 12a3 and straight line parallel are arranged.
Two semicircular cylinder 12a, which are fastened, is equipped at least three clamping jaws 121, i.e. two semicircular cylinder 12a in the pilot hole 120 to be formed
121 summation of clamping jaw that surface is equipped with is no less than three, and the clamping jaw 121 on semicircular cylinder 12a is not fallen on buckling surface.
In the present embodiment, three clamping jaws 121 are distributed in a ring in pilot hole 120, so as to circularize to screw shaped
Embrace folder, prevent screw from shaking in pilot hole 120.
In another embodiment, two clamping jaws 121 can be each provided on two semicircular cylinder 12a, so that two and half
Structure on cylinder 12a is more symmetrical, easy to process, and assembly, has preferable fool proof effect.
Being screwed into for screw is oriented to using guide part 12, when screw be screwed into depth it is enough when, screw no longer shakes, this
If when guide part 12 be still oriented to, guide part 12 rotated on being screwed into face generation friction obstruction exist always, by that will lead
It removes on elastic 15 to part 12, so that guide part 12 be avoided to contact with metope, while reducing frictional force, also has to metope
Certain protecting effect.
Since during being screwed into screw, the distance of guide part 12 to fixing piece 11 cannot increase, thus guide part 12
It cannot be dismantled by way of axial movement, by opening two semicircular cylinder 12a of guide part 12, so that guide part 12
It is separated with elastic 15.
Referring to Figure 2 together 8, the end face of guide part 12 is equipped with connecting hole 128, is equipped with magnet 1281 in connecting hole 128,
Elastic 15 is made of magnetic material.Elastic 15 is inserted on guide part 12, and magnetic connection is convenient to mount and dismount, tired there is no dismantling
Labor, dismantling repeatedly still has connection performance as before.Guide part 12 is made of magnetic separator, such as stainless steel, aluminium alloy, prevents from inhaling
Draw screw, hinders moving and screw position being deviated for screw.
Connecting hole 128 is equipped with the notch that perforation pilot hole 120 is open towards pilot hole 120, which can be by being oriented to
120 end of hole obtains chamfering and is formed.In the present embodiment, the chamfering of 120 end of pilot hole penetrates through connecting hole and pilot hole 120,
When guide part 12 is removed, it is easier to so that connecting hole 128 is separated with elastic 15, to be easier guide part 12 from bullet
It is removed on property part 13.
Embodiment 10
9 and Figure 30 referring to Figure 2 together, the present embodiment and the difference of embodiment 9 are that guide part 12 includes semicircular cylinder
12a's, two semicircular cylinder 12a connects to form full circle cylinder by magnetic, and two semicircular cylinder 12a are made of magnetic separator.Two and half
Cylinder 12a encloses pilot hole 120, and pilot hole 120 is used to be oriented to screw, and clamping jaw 121, each folder are equipped in pilot hole 120
Pawl 121 can be abutted with the screw being inserted in pilot hole 120.
In the present embodiment, two semicircular cylinder 12a are provided separately, and are directly fastened, and two semicircular cylinder 12a form complete when fastening
Pilot hole 120.The joint face of two semicircular cylinder 12a is connected by magnetic, and the joint face of a semicircular cylinder 12a is equipped with magnetic
The joint face of iron, another semicircular cylinder 12a is equipped with magnetic part, so that the two forms magnetic connection.
It is appreciated that magnet, magnetic part can be fixed on the joint face of semicircular cylinder 12a by modes such as bondings, magnetic
Iron, magnetic part area can be less than or equal to joint face area.
Semicircular cylinder 12a material itself prevents magnet from magnetizing semicircular cylinder 12a for magnetic separator such as stainless steel, aluminium alloy,
Influence the movement for the screw being set in pilot hole 120.
In another embodiment, two semicircular cylinder 12a are rotationally connected on one side, and another side magnetic fastens.Rotation connection, can
It is connected with the component using hinge or similar hinge.
The cylinder of two semicircular cylinder 12a is equipped with bar shaped boss 12a3 at semicircular cylinder 12a buckling surface.Bar shaped boss 12a3
For the point of application that the separation of two semicircular cylinder 12a provides, after the buckling surface of two semicircular cylinder 12a fastens, in the table of guide part 12
Face forms straight line, and two bar shaped boss 12a3 and straight line parallel are arranged.If two semicircular cylinder 12a can be separated, two
Two bar shaped boss 12a3 are arranged in the two sides for the straight line that a semicircular cylinder 12a is formed after fastening, if two semicircular cylinder 12a are rotated on one side
Then bar shaped boss 12a3 is arranged in the two sides on the side of two semicircular cylinder 12a folding in connection.
In the present embodiment, contraposition boss 12a4 and contraposition groove 12a5 are respectively equipped on the magnetic face of two semicircular cylinder 12a,
Boss 12a4 and contraposition groove 12a5 are aligned, the closed position of two semicircular cylinder 12a is defined, so that two semicircles
Cylinder 12a is directly fastened in place.
In all examples being illustrated and described herein, any occurrence should be construed as merely illustratively, without
It is as limitation, therefore, other examples of exemplary embodiment can have different values, and the scheme of each embodiment can adopt
New embodiment is formed with different combinations.
It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, does not then need that it is further defined and explained in subsequent attached drawing.
Above-described embodiments merely represent several embodiments of the utility model, the description thereof is more specific and detailed,
But it cannot be understood as the limitations to the scope of the utility model.It should be pointed out that for the ordinary skill of this field
For personnel, without departing from the concept of the premise utility, various modifications and improvements can be made, these belong to this
The protection scope of utility model.
Claims (10)
1. tapping guidance set characterized by comprising
Fixing piece, for fixing a screw and being connect with an outside rotating mechanism；
Guide part is equipped with pilot hole, and the pilot hole is through-hole, is equipped at least three clamping jaws, Mei Yisuo on the pilot hole
Stating clamping jaw can abut with the screw being inserted in the pilot hole；
Elastic component, the elastic component are set between the fixing piece and the guide part, and the elastic component is along the pilot hole
Axial stretching, screw can be stretched out from the guide part；And
Locating part, the fixing piece drive the guide part to rotate together by the locating part.
2. tapping guidance set according to claim 1, which is characterized in that the guide part can retraction in the fixing piece
In, the locating part includes mutually matched positive stop lug boss and bar shaped sliding slot, the axis of the bar shaped sliding slot and the pilot hole
In parallel.
3. tapping guidance set according to claim 2, which is characterized in that the fixing piece is equipped with annular groove, described
Guide part is in sleeve-shaped, and the bar shaped sliding slot is set in the axial direction of the annular groove, and the positive stop lug boss is set to the guide part
Cylinder on.
4. tapping guidance set according to claim 1, which is characterized in that the fixing piece includes being set to the fixing piece
Fixed part on end face, the fixing piece drive screw to rotate together by the fixed part；
The end face of the fixing piece is equipped with groove, and the fixed part is set in the groove, and the groove has and the spiral shell
The curved surface that screw top portion matches.
5. tapping guidance set according to claim 4, which is characterized in that the fixed part is made of magnet, described recessed
The surface of slot is covered with adhesive portion.
6. tapping guidance set according to claim 1, which is characterized in that each clamping jaw can the relatively described pilot hole
It floats, the top of the clamping jaw is in cambered surface or dome shape.
7. tapping guidance set according to claim 6, which is characterized in that the guide part further includes clamping jaw elastic component,
Each clamping jaw is connected on the pilot hole by the clamping jaw elastic component.
8. tapping guidance set according to claim 6, which is characterized in that the top of the clamping jaw is equipped with rotatable rolling
Pearl.
9. tapping screws in mechanism, which is characterized in that including rotary power part and such as tapping of any of claims 1-8
Guidance set, described fixing piece one end are equipped with fixed part, and the other end is equipped with interconnecting piece, and the rotary power part passes through the connection
Portion drives the tapping guidance set rotation.
10. tapping according to claim 9 screws in mechanism, which is characterized in that the rotary power part is screwdriver, spanner
Or electric drill.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820667709.0U CN208696488U (en) | 2018-05-04 | 2018-05-04 | Tapping guide assembly and tapping screw-in mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820667709.0U CN208696488U (en) | 2018-05-04 | 2018-05-04 | Tapping guide assembly and tapping screw-in mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208696488U true CN208696488U (en) | 2019-04-05 |
Family
ID=65935173
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820667709.0U Active CN208696488U (en) | 2018-05-04 | 2018-05-04 | Tapping guide assembly and tapping screw-in mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208696488U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111361090A (en) * | 2020-03-06 | 2020-07-03 | 周云飞 | Automatic rubber stripping device for lightning arrester curing core group |
| CN111438408A (en) * | 2020-05-30 | 2020-07-24 | 李让勤 | Tapping stabilizer for tapping of bench worker |
| CN114012666A (en) * | 2021-11-22 | 2022-02-08 | 贵州电网有限责任公司 | Screw accessory locking and mounting device |
-
2018
- 2018-05-04 CN CN201820667709.0U patent/CN208696488U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111361090A (en) * | 2020-03-06 | 2020-07-03 | 周云飞 | Automatic rubber stripping device for lightning arrester curing core group |
| CN111438408A (en) * | 2020-05-30 | 2020-07-24 | 李让勤 | Tapping stabilizer for tapping of bench worker |
| CN114012666A (en) * | 2021-11-22 | 2022-02-08 | 贵州电网有限责任公司 | Screw accessory locking and mounting device |
| CN114012666B (en) * | 2021-11-22 | 2023-10-10 | 贵州电网有限责任公司 | Screw accessory locking and mounting device |
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