CN208104625U - A kind of locating piece for pinning frame cradle - Google Patents
A kind of locating piece for pinning frame cradle Download PDFInfo
- Publication number
- CN208104625U CN208104625U CN201820455941.8U CN201820455941U CN208104625U CN 208104625 U CN208104625 U CN 208104625U CN 201820455941 U CN201820455941 U CN 201820455941U CN 208104625 U CN208104625 U CN 208104625U
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- Prior art keywords
- slot
- expansion
- spring
- screw thread
- expansion rod
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Abstract
The utility model discloses a kind of locating pieces for pinning frame cradle,Including rivet nut,First expansion rod,Second expansion rod,Locating pin,First spring groove,Location hole,First expansion slot,Second expansion slot,Projecting slot,Protruding block,Expanding block,Retraction slot,Raised card slot and the first spring,The rivet nut bottom end offers the first expansion slot,And first is inserted with the first expansion rod in expansion slot,External screw thread is offered on the outside of the first expansion boom end,The first expansion slot inner wall end offers internal screw thread,And first expansion rod engaged and connect with internal screw thread by external screw thread with the first expansion slot,The first expansion slot inner wall two sides symmetrically offer three pairs of location holes,The location hole sidewall symmetry offers the first spring groove,This locating piece,Pass through the limit of locating pin,Skid off locating piece will not,The positioning of different in width is adapted to by the use of multiple locating pins again,And the expansion for passing through expanding block,Locating piece is set to adapt to the hole of different-diameter,It is applied widely.
Description
Technical field
The utility model relates to pinning frame cradle auxiliary member technical fields, and in particular to a kind of to determine for pinning frame cradle
Position part.
Background technique
The effect of existing pinning frame cradle is to carry out drawing-off pressurization to yarn specifically to push by handle, is made under rocker arm
It presses, pressure is accordingly acted on the bottom roll on vehicle frame by the top roller on rocker arm, thus will be thick under the action of drawing-off pressurization
Yarn is elongated, is drawn and attenuated, and therefore, the mesh number and roller pressure of the yarn of required production are closely related, and roller pressure size is to influence
One of important technical parameter of yarn quality is lifted due to often repeating rocker arm, is put down, compressing during production and application
Movement, causes the positioning pin between rocking arm and base and rocker arm to be easy to loosen, and positioning is caused to sell to side and skid off, positioning pin it is another
Fixed rocker arm and rocking arm and base are not just played the role of in side, this does not have with regard to side of direct rocker arm during force due to rocker arm
It is fixed with rocking arm and base, this just directly affects roller pressure, and yarn mesh number is caused not meet production requirement, existing way
It is that whether skidding off for running check positioning pin is knocked in if skidding off with hammer, and the both ends of rocker arm are both secured to the reel cage
On seat.
There are many shortcomings for existing way, cannot find that in time positioning pin skids off, can also be again after knocking in positioning pin
It skids off, cannot tackle the problem at its root, and locating piece does not adapt to the hole of a variety of width and multiple diameter, for this purpose, a kind of
Locating piece for pinning frame cradle.
Utility model content
The purpose of this utility model is to overcome the deficiencies in the prior art, and provide that a kind of structure is simple, it is a variety of to adapt to
The locating piece of the pinning frame cradle of width and diametric hole, including rivet nut, the first expansion rod, the second expansion rod, locating pin, the first bullet
Spring slot, location hole, the first expansion slot, the second expansion slot, projecting slot, protruding block, expanding block, retraction slot, raised card slot and first
Spring, the rivet nut bottom end offers the first expansion slot, and the first expansion rod is inserted in the first expansion slot, first expansion rod
Offer external screw thread on the outside of end, the first expansion slot inner wall end offers internal screw thread, and the first expansion rod and first swollen
Swollen slot engages connection with internal screw thread by external screw thread, and the first expansion slot inner wall two sides symmetrically offer three pairs of location holes, institute
It states location hole sidewall symmetry and offers the first spring groove, the positioning hole is equipped with locating pin, is equipped in first spring groove
First spring, first spring one end are fixedly connected with the first spring groove inner wall, and the first spring other end and locating pin are solid
Fixed connection, the rivet nut top offers the second expansion slot, and the second expansion rod is inserted in the second expansion slot, second expansion
External screw thread is offered on the outside of boom end, the second expansion slot inner wall end offers internal screw thread, and the second expansion rod and second
Expansion slot engages connection with internal screw thread by external screw thread, and the rivet nut outside symmetrically offers four with the second expansion slot corresponding position
A retraction slot, and expanding block is equipped in retraction slot, the retraction slot bottom symmetrical is opened up there are two projecting slot, and projecting slot and the
The connection of two expansion slots, the expanding block bottom symmetrical is fixed there are two protruding block, and protruding block passes through projecting slot to be placed in second swollen
It is located at protruding block corresponding position inside swollen slot, on the outside of second expansion rod and offers raised card slot.
Preferably, the first expansion boom end and the second expansion boom end are respectively and fixedly provided with and turn handle.
Preferably, the contraction trench bottom offers second spring slot, described second spring one end and second spring slot
Bottom is fixedly connected, and the second spring other end is fixedly connected with expanding block.
Preferably, first expansion rod bottom surface and locating pin bottom surface are round slip surface, the protruding block bottom surface with it is convex
Card lifting rooved face is round slip surface.
Preferably, the rivet nut top offers the locating slot with cooperation at the top of the second expansion rod.
The utility model has the beneficial effects that：Rocker arm and rocking arm and base link together, and need to position rocker arm, will follow closely
In the hole of body insertion positioning, the first expansion rod is rotated by turning handle, the first expansion rod is contacted with locating pin, and will
Locating pin squeezes out, and the depth that the first expansion rod is adjusted according to rocking arm and base width is extruded the locating pin of suitable position, then
The second expansion rod is rotated, the raised card slot on the second expansion rod surface is contacted with protruding block, and adjusts the depth of protruding block, thus
The protrusion length for adjusting expanding block, is adjusted the diameter of whole device, adapts it to the size in hole, this locating piece passes through
The limit of locating pin skid off locating piece will not, then the positioning of different in width is adapted to by the use of multiple locating pins, and
And by the expansion of expanding block, locating piece is set to adapt to the hole of different-diameter, applied widely, it is convenient to operate.
Detailed description of the invention
The utility model will illustrate by example and with reference to the appended drawing, wherein：
Fig. 1 is schematic diagram of main cross-sectional structure of the utility model；
Fig. 2 is the overall structure diagram of the utility model；
Fig. 3 is the locating pin structural schematic diagram of the utility model.
In figure：1, rivet nut；2, the first expansion rod；3, the second expansion rod；4, locating pin；5, the first spring groove；6, location hole；
7, the first expansion slot；8, the second expansion slot；9, projecting slot；10, protruding block；11, expanding block；12, retraction slot；13, second spring
Slot；14, second spring；15, raised card slot；16, locating slot；17, handle is turned；18, the first spring.
Specific embodiment
Any feature disclosed in this specification unless specifically stated can be equivalent or with similar purpose by other
Alternative features are replaced.That is, unless specifically stated, each feature is an example in a series of equivalent or similar characteristics
?.
A kind of locating piece for pinning frame cradle as shown in FIG. 1 to FIG. 3, including rivet nut 1, the first expansion rod 2, second
Expansion rod 3, locating pin 4, the first spring groove 5, location hole 6, the first expansion slot 7, the second expansion slot 8, projecting slot 9, protruding block 10,
Expanding block 11, retraction slot 12, raised card slot 15 and the first spring 18,1 bottom end of rivet nut offer the first expansion slot 7, and the
It is inserted with the first expansion rod 2 in one expansion slot 7, offers external screw thread, first expansion slot on the outside of 2 end of the first expansion rod
7 inner wall ends offer internal screw thread, and the first expansion rod 2 is engaged with internal screw thread by external screw thread with the first expansion slot 7 and connect, institute
It states 7 inner wall two sides of the first expansion slot and symmetrically offers three pairs of location holes 6,6 sidewall symmetry of location hole offers the first spring
Slot 5, the location hole 6 is interior to be equipped with locating pin 4, is equipped with the first spring 18, first spring 18 1 in first spring groove 5
End is fixedly connected with 5 inner wall of the first spring groove, and 18 other end of the first spring is fixedly connected with locating pin 4,1 top of rivet nut
The second expansion slot 8 is offered, and is inserted with the second expansion rod 3 in the second expansion slot 8, is opened up on the outside of 3 end of the second expansion rod
There is external screw thread, the 8 inner wall end of the second expansion slot offers internal screw thread, and the second expansion rod 3 and the second expansion slot 8 are outside
Screw thread engages connection with internal screw thread, and 1 outside of rivet nut symmetrically opens up that there are four retraction slots with 8 corresponding position of the second expansion slot
12, and expanding block 11 is equipped in retraction slot 12,12 bottom symmetrical of retraction slot is opened up there are two projecting slot 9, and projecting slot 9 with
The connection of second expansion slot 8,11 bottom symmetrical of expanding block is fixed, and there are two protruding blocks 10, and protruding block 10 passes through projecting slot 9
It is placed in inside the second expansion slot 8,10 corresponding position of protruding block is located on the outside of second expansion rod 3 and offers raised card slot 15,
First expansion rod, 2 end and 3 end of the second expansion rod, which are respectively and fixedly provided with, turns handle 17, and turning handle, conveniently to turn first swollen
Expanding rod 2 and the second expansion rod 3,12 bottom of retraction slot offer second spring slot 13, described 14 one end of second spring and the
Two spring grooves, 13 bottom is fixedly connected, and 14 other end of second spring is fixedly connected with expanding block 11, is not needing to increase rivet nut 1
When diameter, expanding block 11 is contracted in retraction slot 12 by second spring 14, and expanding block 11 is avoided to influence the insertion and pumping of rivet nut 1
Out, 2 bottom surface of the first expansion rod and fixed 4 bottom surfaces of positioning are round slip surface, 15 table of 10 bottom surface of protruding block and raised card slot
Face is round slip surface, round slip surface reduction frictional force, and locating pin 4 is released the release with protruding block 10, institute convenient for the first expansion rod 2
The locating slot 16 that 1 top of rivet nut offers with cooperates at the top of the second expansion rod 3 is stated, locating slot 18 is convenient to 3 end of the second expansion rod
Portion's positioning.
The working principle of this specific embodiment: being：Rocker arm and rocking arm and base link together, and need to position rocker arm,
By in the hole of the insertion positioning of rivet nut 1, first expansion rod 2 is rotated by turning handle 17, the first expansion rod 2 and locating pin
4 contacts, and locating pin 4 is squeezed out, the depth that the first expansion rod 2 is adjusted according to rocking arm and base width makes the locating pin of suitable position
4 are extruded, and then rotate the second expansion rod 3, the raised card slot 15 on 3 surface of the second expansion rod is contacted with protruding block 10, and is adjusted
The depth of section protruding block 10 is adjusted the diameter of whole device, adapts it to adjust the protrusion length of expanding block 11
The size in hole, this locating piece skid off locating piece will not by the limit of locating pin 4, then pass through the use of multiple locating pins 4
It is adapted to the positioning of different in width, and passes through the expansion of expanding block 11, locating piece is made to adapt to the hole of different-diameter, is applicable in model
It encloses extensively, it is convenient to operate.
The utility model is not limited to specific embodiment above-mentioned.The utility model expands to any in this specification
The new feature of middle disclosure or any new combination, and disclose any new method or process the step of or any new group
It closes.
Claims (5)
1. a kind of locating piece for pinning frame cradle, including rivet nut (1), the first expansion rod (2), the second expansion rod (3), positioning
Follow closely (4), the first spring groove (5), location hole (6), the first expansion slot (7), the second expansion slot (8), projecting slot (9), protruding block
(10), expanding block (11), retraction slot (12), raised card slot (15) and the first spring (18), it is characterised in that：The rivet nut (1)
Bottom end offers the first expansion slot (7), and is inserted with the first expansion rod (2) in the first expansion slot (7), first expansion rod (2)
Offer external screw thread on the outside of end, the first expansion slot (7) inner wall end offers internal screw thread, and the first expansion rod (2) with
First expansion slot (7) engages connection with internal screw thread by external screw thread, and the first expansion slot (7) inner wall two sides symmetrically offer three
To location hole (6), location hole (6) sidewall symmetry is offered the first spring groove (5), and positioning is equipped in the location hole (6)
It follows closely (4), is equipped with the first spring (18) in first spring groove (5), described first spring (18) one end and the first spring groove (5)
Inner wall is fixedly connected, and the first spring (18) other end is fixedly connected with locating pin (4), and rivet nut (1) top offers
Two expansion slots (8), and be inserted with the second expansion rod (3) in the second expansion slot (8), it is opened up on the outside of the second expansion rod (3) end
There is external screw thread, the second expansion slot (8) inner wall end offers internal screw thread, and the second expansion rod (3) and the second expansion slot (8)
Connection is engaged with internal screw thread by external screw thread, rivet nut (1) outside symmetrically offers four with the second expansion slot (8) corresponding position
A retraction slot (12), and expanding block (11) are equipped in retraction slot (12), retraction slot (12) bottom symmetrical is opened up there are two convex
Grooving (9), and projecting slot (9) is connected to the second expansion slot (8), expanding block (11) bottom symmetrical is fixed, and there are two protruding blocks
(10), and protruding block (10) passes through projecting slot (9) and is placed in the second expansion slot (8) inside, is located on the outside of second expansion rod (3)
Protruding block (10) corresponding position offers raised card slot (15).
2. a kind of locating piece for pinning frame cradle according to claim 1, it is characterised in that：First expansion rod
(2) end and the second expansion rod (3) end, which are respectively and fixedly provided with, turns handle (17).
3. a kind of locating piece for pinning frame cradle according to claim 1, it is characterised in that：The retraction slot (12)
Bottom offers second spring slot (13), and described second spring (14) one end is fixedly connected with second spring slot (13) bottom, and
Second spring (14) other end is fixedly connected with expanding block (11).
4. a kind of locating piece for pinning frame cradle according to claim 2, it is characterised in that：First expansion rod
(2) bottom surface and locating pin (4) bottom surface are round slip surface, and protruding block (10) bottom surface is round and smooth with raised card slot (15) surface
Face.
5. a kind of locating piece for pinning frame cradle according to claim 2, it is characterised in that：Rivet nut (1) top
End offers the locating slot (16) with cooperation at the top of the second expansion rod (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820455941.8U CN208104625U (en) | 2018-04-02 | 2018-04-02 | A kind of locating piece for pinning frame cradle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820455941.8U CN208104625U (en) | 2018-04-02 | 2018-04-02 | A kind of locating piece for pinning frame cradle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208104625U true CN208104625U (en) | 2018-11-16 |
Family
ID=64119970
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820455941.8U Active CN208104625U (en) | 2018-04-02 | 2018-04-02 | A kind of locating piece for pinning frame cradle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208104625U (en) |
-
2018
- 2018-04-02 CN CN201820455941.8U patent/CN208104625U/en active Active
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