CN103496652A - Floating plug device for vehicle-mounted lifting device - Google Patents
Floating plug device for vehicle-mounted lifting device Download PDFInfo
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- CN103496652A CN103496652A CN201310427119.2A CN201310427119A CN103496652A CN 103496652 A CN103496652 A CN 103496652A CN 201310427119 A CN201310427119 A CN 201310427119A CN 103496652 A CN103496652 A CN 103496652A
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- floating plug
- hole
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Abstract
The invention discloses a floating plug device for a vehicle-mounted lifting device. A plug support of the floating plug device is rotationally connected with an upper left supporting arm and an upper right supporting arm respectively through holes and shafts of hinge pin rotating pairs. The floating plug device is provided with a concave bowl-shaped cavity, heart-shaped enhanced pits, a support through hole, annular inner end faces and inner conical holes. A floating plug plate is arranged above the plug support, and a plug plate hinge pin hole, annular outer end faces, transition circular arc bodies, an outer cylindrical section, enhanced grooves, upper convex shoulders and lower folding edges are arranged at the center of a bowl-shaped lower convex body which is arranged on the floating plug plate, wherein the enhanced grooves, the upper convex shoulders and the lower folding edges are respectively symmetrically distributed. A locating hinge pin penetrates through a compression spring, the support through hole and the plug plate hinge pin hole in a clearance fit mode to form an end shoulder. Annular gaps are formed between the floating plug plate and the plug support, and an end face gap is formed between the second annular outer end face and the second annular inner end face. The floating plug device has the good self-regulating locating effect and the stable lifting effect in a bias load state.
Description
Technical field
The invention belongs to the lifting gear parts in the automotive servicing maintenance, particularly related to a kind of floating plug device for the device that hoists with car.
Background technology
At automobile basic hand tool very common a kind of scissor-like jack in the device that hoists with car of family-sized car particularly, it configures base, top, hinge nut, the hinge block that middle through hole is arranged, thrust baring, screw rod, paired upper support arm and paired lower support arm and is formed by combining on the basis of parallelogram motion mechanism.Traditional its top of the contracting formula of cutting jack is generally to rotate respectively in the position, left and right and connects two upper support arms, jacking position when generally directly conduct hoists vehicle on the upper plane of top.Improving constantly due to hommization demand in family-sized car design in recent years, people are considering automobile hoist safety in utilization and the reliability of device more, especially the lifting beam engaged with " top " at vehicle bottom that jacking is joined for the device that hoists starts to depart from level reference and causes this top and the displacement of vehicle bottom force position to cause the defective mode of lifting operation, engineers in depth is studied and analyzes: on the top of the device that hoists commonly used, plane is the level rising all the time, the lifting beam of affiliated automobile is face with the upper plane of the device top that hoists at first and contacts, when the lifting beam along with by the jacking vehicle is rotating rising around " wheel axis that lands place " because of car body in, displacement is occurring in the acting point between upper plane, the device that hoists top and lifting beam, and contacted to the line changes in contact by face, force-bearing situation on this device top that just causes hoisting is evolved into eccentric load by central loading, thereby make to hoist, device comes directly towards and even to such an extent as to the impaired possibility of its integral structure increases the difficulty that causes the operation of emergency vehicle maintenance maintenance.
In view of the defect of above-mentioned prior art situation, this case applicant is optimized design to described with the hoist top parts of device of car, further to form the new technical scheme that hereinafter will introduce.
Summary of the invention
Task of the present invention is to provide a kind of floating plug device for the device that hoists with car, at it, the center of supporting top support is provided with the concave shape bowl shaped structure, coordinate this centralized positioning bearing pin, Compress Spring combines with the riveted joint of floating plug plate or welding with bowl-shape outline structure protruding under center, make described top plate to do the used time at partial load and can naturally realize the position adjustments of horizontal 360 deg and the auxiliary adjustment up and down of appropriateness, with the device top parts of guaranteeing to hoist not because of the broken ring factor of the offset loading force in lifting vehicle process cause hoisting damage and the inefficacy of device.
Above-mentioned purpose of the present invention is achieved through the following technical solutions: a kind of floating plug device for the device that hoists with car, the upper support arm component, top parts and the bearing pin revolute pair that comprise the device that hoists, it is characterized in that: between top support and upper left supporting arm, adopt the first bearing pin revolute pair to implement the hole axle and rotate and connects, between top support and upper right supporting arm, employing the second bearing pin revolute pair hole axle rotation connects; Middle position at the top support is provided with the inner concavity bowl-type die cavity be shaped through punching stretch, and the first heart font reinforcement pit and the second heart font reinforcement pit through drawing are set respectively in two positions of inner concavity bowl-type die cavity; Be provided with rack ventilating hole, the first annular inner end surface, the second annular inner end surface, the first inner circle taper hole and the second inner circle taper hole in inner concavity bowl-type die cavity; Be provided with the floating plug plate above the support of top, the middle position of floating plug plate is provided with the structure of the bowl-shape lower convex body be shaped through punching stretch, the centre of bowl-shape lower convex body is provided with top plate pin shaft hole, and bowl-shape lower convex body rectangular structure key element is followed successively by the first annular outer face, the second annular outer face, First Transition circular arc body, the second transition arc body and cylindrical shell of column; Be provided with symmetrical the first reinforcement groove, second be shaped through punching stretch and strengthen groove, the 3rd reinforcement groove, the 4th reinforcement groove on the floating plug plate; And be provided with in the two ends, left and right of floating plug plate section the first epirelief shoulder and the second epirelief shoulder that drawn is shaped; Alignment pin penetrates Compress Spring and passes top plate pin shaft hole through the rack ventilating hole of top support, and makes the upper end section of alignment pin form the termination shoulder at the place, upper aperture of top plate pin shaft hole by rushing riveting or electric welding; Form the first circular clearance between the first inner circle taper hole of the First Transition circular arc body of the floating plug plate under the no load state of floating plug device after forming the termination shoulder and top support; Form the second circular clearance between the second inner circle taper hole of the cylindrical shell of column of floating plug plate and top support, and be provided with end clearance between the second annular outer face and the second annular inner end surface.
Wherein, further comprise that the front and back end section of floating plug plate is provided with first time flanging and second time flanging of drawn shaping.
Wherein, further comprise that alignment pin and rack ventilating hole, top plate pin shaft hole form free-running fit.
Wherein, the mesopore formation free-running fit that further comprises alignment pin and Compress Spring.
The beneficial effect that the present invention compared with prior art has is: because the floating plug device of the described device that hoists is mainly to be combined to form with ad hoc top support and floating plug plate, it strengthens being equipped with of the design of structural element and alignment pin, Compress Spring, guarantees that the floating plug plate has good self-regulated location and the stable effect of lifting when loading condition partially.
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The accompanying drawing explanation
The accompanying drawing explanation of embodiment:
Figure 1 shows that the serial connection schematic perspective view of the floating plug device of the embodiment of the present invention;
Figure 2 shows that the face upwarding stereogram of the floating plug plate of the present embodiment;
Figure 3 shows that the stereoscopic-state figure after embodiment of the present invention floating plug device is for the device complete machine combination that hoists;
Figure 4 shows that the partial perspective view of the floating plug device amplification of the present embodiment;
Figure 5 shows that the front view of the top support of the present embodiment;
Figure 6 shows that the cutaway view of the relative Fig. 5 of the present embodiment;
Figure 7 shows that the left view of the relative Fig. 5 of the present embodiment;
Figure 8 shows that the cutaway view of the present embodiment device when the floating plug plate does not rotate;
Figure 9 shows that the front view of the floating plug plate of the present embodiment;
Figure 10 shows that the upward view with half section of the relative Fig. 9 of the present embodiment;
Figure 11 shows that " A-A " cutaway view on the relative Fig. 9 of the present embodiment.
Parts shown in each label of accompanying drawing and relevant geometric element title are as follows:
1 upper left supporting arm, 2 upper right supporting arms, 3 top supports, 4 first bearing pin revolute pairs, 5 second bearing pin revolute pairs, 6 inner concavity bowl-type die cavities, pit strengthened in 7 first heart fonts, and pit, 9 rack ventilating holes strengthened in 8 second heart fonts, 10 first annular inner end surfaces, 11 second annular inner end surfaces, 12 first inner circle taper holes, 13 second inner circle taper holes, 14 floating plug plates, 15 bowl-shape lower convex bodys, 16 top plate pin shaft holes, 17 first annular outer faces, 18 second annular outer faces, 19 First Transition circular arc bodies, 20 second transition arc bodies
21the cylindrical shell of column,
22first strengthens groove,
23second strengthens groove,
24the 3rd strengthens groove,
25the 4th strengthens groove,
26alignment pin,
27compress Spring,
28the termination shoulder,
29the first epirelief shoulder,
30the second epirelief shoulder,
31first time flanging,
32second time flanging,
33the first circular clearance,
34the second circular clearance,
35end clearance.
The specific embodiment
Below in conjunction with the accompanying drawing of embodiment, the invention will be further described, to contribute to the understanding of the public to this case technology contents and effect, but the description to embodiment does not form the restriction to the technical program, any according to this case design, done only for pro forma equivalent transformation, all should be considered as the category of this case technical scheme.
From each accompanying drawing, floating plug device in the embodiment of the present invention be take traditional device body that hoists as framework, form the first bearing pin revolute pair 4 by floating plug device and upper left supporting arm 1 on the device body that hoists being carried out to the connection that the hole shaft clearance coordinates, floating plug device and upper right supporting arm 2 on the device body that hoists are carried out to the connection that the hole shaft clearance coordinates and form the second bearing pin revolute pair 5; Middle position at top support 3 is provided with the inner concavity bowl-type die cavity 6 be shaped through punching stretch, and the first heart font reinforcement pit 7 and the second heart font reinforcement pit 8 through drawing are set respectively in two positions of inner concavity bowl-type die cavity 6; Be provided with the annular inner end surface 11 of the annular inner end surface 10, second of rack ventilating hole 9, first, the first inner circle taper hole 12 and the second inner circle taper hole 13 in inner concavity bowl-type die cavity 6; Be provided with floating plug plate 14 above the support 3 of top, the middle position of floating plug plate 14 is provided with the structure of the bowl-shape lower convex body 15 be shaped through punching stretch, the centre of bowl-shape lower convex body 15 is provided with top plate pin shaft hole 16, and is provided with successively the structural elements such as the annular outer face 18 of the first annular outer face 17, second, First Transition circular arc body 19, the second transition arc body 20 and cylindrical shell of column 21; Also be provided with symmetrical the first reinforcement groove 22, second be shaped through punching stretch and strengthen groove 23, the 3rd reinforcement groove 24, the 4th reinforcement groove 25 on floating plug plate 14; And be provided with in the two ends, left and right of floating plug plate section the first epirelief shoulder 29 and the second epirelief shoulder 30 that drawn is shaped; Alignment pin 26 penetrates Compress Spring 27 and passes top plate pin shaft hole 16 through the rack ventilating hole 9 of top support 3, and makes the upper end section of alignment pin 26 form termination shoulder 28 at the place, upper aperture of top plate pin shaft hole 16 by rushing riveting or electric welding; Form the first circular clearance 33 between the first inner circle taper hole 12 of the First Transition circular arc body 19 of the floating plug plate 14 under the no load state of floating plug device after forming termination shoulder 28 and top support 3; Form the second circular clearance 34 between the second inner circle taper hole 13 of the cylindrical shell of column 21 of floating plug plate 14 and top support 3, and be provided with end clearance 35 between the second annular outer face 18 and the second annular inner end surface 11; Be provided with in the front and back end of floating plug plate 14 section first time flanging 31 and the second time flanging 32 that drawn is shaped again, very useful to bending resistance and the torsion stiffness of strengthening all sidedly the floating plug plate; Alignment pin 26 forms free-running fit with rack ventilating hole 9, top plate pin shaft hole 16.Alignment pin 26 forms free-running fit with the mesopore of Compress Spring 27.Because described floating plug device is mainly to be combined to form with ad hoc top support 3 and floating plug plate 14, it strengthens design and the alignment pin 26 of structural element, being equipped with of Compress Spring 27, guarantee that floating plug plate 14 can have good self-regulated location and the stable effect of lifting under the effect of eccentric load thing, thereby such floating plug device is applicable to family-sized car and is departed from by its actual load gradual change ground in the jacking process the imperfect environment for use that cause at center very much, the safety and reliability that the application of its Analyzing on Building A Planning Scheme is used for the device that hoists with car all quite is beneficial to.
Claims (4)
1. the floating plug device for the device that hoists with car, the upper support arm component, top parts and the bearing pin revolute pair that comprise the device that hoists, it is characterized in that: between top support (3) and upper left supporting arm (1), adopt the first bearing pin revolute pair (4) to implement the hole axle and rotate and connects, between top support (3) and upper right supporting arm (2), employing the second bearing pin revolute pair (5) hole axle rotation connects; Middle position at top support (3) is provided with the inner concavity bowl-type die cavity (6) be shaped through punching stretch, and the first heart font reinforcement pit (7) and the second heart font reinforcement pit (8) through drawing are set respectively in two positions of inner concavity bowl-type die cavity (6); Be provided with rack ventilating hole (9), the first annular inner end surface (10), the second annular inner end surface (11), the first inner circle taper hole (12) and the second inner circle taper hole (13) in inner concavity bowl-type die cavity (6); Be provided with floating plug plate (14) in top support (3) top, the middle position of floating plug plate (14) is provided with the structure of the bowl-shape lower convex body (15) be shaped through punching stretch, the centre of bowl-shape lower convex body (15) is provided with top plate pin shaft hole (16), and bowl-shape lower convex body (15) rectangular structure key element is followed successively by the first annular outer face (17), the second annular outer face (18), First Transition circular arc body (19), the second transition arc body (20) and cylindrical shell of column (21); Be provided with symmetrical the first reinforcement groove (22), second be shaped through punching stretch and strengthen groove (23), the 3rd reinforcement groove (24), the 4th reinforcement groove (25) on floating plug plate (14); And be provided with in the two ends, left and right of floating plug plate section the first epirelief shoulder (29) and the second epirelief shoulder (30) that drawn is shaped; Alignment pin (26) penetrates Compress Spring (27) and passes top plate pin shaft hole (16) through the rack ventilating hole (9) of top support (3), and makes the upper end section of alignment pin (26) form termination shoulder (28) at the place, upper aperture of top plate pin shaft hole (16) by rushing riveting or electric welding; Form the first circular clearance (33) between the First Transition circular arc body (19) of the floating plug plate (14) under the no load state of floating plug device after forming termination shoulder (28) and the first inner circle taper hole (12) of top support (3); Form the second circular clearance (34) between the second inner circle taper hole (13) of the cylindrical shell of column (21) of floating plug plate (14) and top support (3), and be provided with end clearance (35) between the second annular outer face (18) and the second annular inner end surface (11).
2. the floating plug device for the device that hoists with car according to claim 1, is characterized in that: further comprise that the front and back end section of floating plug plate (14) is provided with first time flanging (31) and second time flanging (32) of drawn shaping.
3. the floating plug device for the device that hoists with car according to claim 1, is characterized in that: further comprise that alignment pin (26) and rack ventilating hole (9), top plate pin shaft hole (16) form free-running fit.
4. the floating plug device for the device that hoists with car according to claim 1, is characterized in that: further comprise that alignment pin (26) and the mesopore of Compress Spring (27) form free-running fit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310427119.2A CN103496652B (en) | 2013-09-18 | 2013-09-18 | For the floating plug device of the device that hoists with car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310427119.2A CN103496652B (en) | 2013-09-18 | 2013-09-18 | For the floating plug device of the device that hoists with car |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103496652A true CN103496652A (en) | 2014-01-08 |
| CN103496652B CN103496652B (en) | 2015-09-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310427119.2A Active CN103496652B (en) | 2013-09-18 | 2013-09-18 | For the floating plug device of the device that hoists with car |
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| Country | Link |
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| CN (1) | CN103496652B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105000493A (en) * | 2015-08-11 | 2015-10-28 | 湖州职业技术学院 | Novel hydraulic jack |
| CN107758554A (en) * | 2017-11-13 | 2018-03-06 | 南通市通润汽车零部件有限公司 | With the guarantee relocatable engagement toothing of jacking header |
| CN108726419A (en) * | 2018-07-03 | 2018-11-02 | 上海宝山大陆汽车配件有限公司 | A kind of scissor-like jack equipped with plum blossom handle |
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| GB319105A (en) * | 1928-07-30 | 1929-09-19 | Fred William Ott | Improvements in cam mechanism for transmitting power |
| US2029022A (en) * | 1934-11-16 | 1936-01-28 | American Chain & Cable Co | Extension head for lifting jacks |
| US6000681A (en) * | 1997-07-31 | 1999-12-14 | Rally Manufacturing, Inc. | Saddle structure for an extendable jack |
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| CN2851231Y (en) * | 2005-08-16 | 2006-12-27 | 杭州盈江机械制造有限公司 | Hydraulic jack with lighting device |
| CN101195466A (en) * | 2007-12-29 | 2008-06-11 | 马春路 | Speed changing force-saving skeleton symbol screw block and operating rocker handle thereof |
| CN201520617U (en) * | 2009-09-25 | 2010-07-07 | 常熟通润汽车零部件股份有限公司 | Hydraulic jack capable of displaying load and realizing overload warning |
| CN202245922U (en) * | 2011-08-22 | 2012-05-30 | 奉化市南方机械制造有限公司 | Rotary tray of wheel type hydraulic jack |
| CN203667896U (en) * | 2013-09-18 | 2014-06-25 | 南通市通润汽车零部件有限公司 | Floating top device for vehicle-following lifter |
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2013
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Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
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| GB319105A (en) * | 1928-07-30 | 1929-09-19 | Fred William Ott | Improvements in cam mechanism for transmitting power |
| US2029022A (en) * | 1934-11-16 | 1936-01-28 | American Chain & Cable Co | Extension head for lifting jacks |
| US6000681A (en) * | 1997-07-31 | 1999-12-14 | Rally Manufacturing, Inc. | Saddle structure for an extendable jack |
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| CN2851231Y (en) * | 2005-08-16 | 2006-12-27 | 杭州盈江机械制造有限公司 | Hydraulic jack with lighting device |
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| CN203667896U (en) * | 2013-09-18 | 2014-06-25 | 南通市通润汽车零部件有限公司 | Floating top device for vehicle-following lifter |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105000493A (en) * | 2015-08-11 | 2015-10-28 | 湖州职业技术学院 | Novel hydraulic jack |
| CN107758554A (en) * | 2017-11-13 | 2018-03-06 | 南通市通润汽车零部件有限公司 | With the guarantee relocatable engagement toothing of jacking header |
| CN107758554B (en) * | 2017-11-13 | 2024-06-11 | 南通市通润汽车零部件有限公司 | Meshing tooth structure capable of guaranteeing floatable jack heads |
| CN108726419A (en) * | 2018-07-03 | 2018-11-02 | 上海宝山大陆汽车配件有限公司 | A kind of scissor-like jack equipped with plum blossom handle |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103496652B (en) | 2015-09-09 |
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