Collating pin convenient to fix and clamp

By designing a perforated pin for the drive and clamping components, automatic clamping adjustment based on part thickness is achieved, solving the problem that existing perforated pins cannot adapt to different part thicknesses, improving clamping stability and flexibility, and increasing friction and cushioning protection.

CN224049510UActive Publication Date: 2026-03-27KUNSHAN HONGYI TENGDA MOLD HARDWARE CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-05-15
Publication Date
2026-03-27

AI Technical Summary

Technical Problem

The existing snap-fit ​​structure of the opening pin cannot be freely adjusted according to the thickness of different parts, resulting in poor flexibility. Different opening pins need to be replaced to adapt to different parts.

Method used

A new type of opening pin is designed, which includes a drive component and a clamping component. By adjusting the lead screw, the movable block and connecting rod are driven to rise, unfold the clamping jaws, and clamp the parts using a universal ball and a rubber extrusion pad. Combined with the threaded set screw for locking, it can adapt to parts of different thicknesses.

Benefits of technology

It improves clamping stability and flexibility, can adapt to parts of different thicknesses, increases friction and provides cushioning protection, thus improving its practicality.

✦ Generated by Eureka AI based on patent content.

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    Figure CN224049510U_ABST
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Abstract

The utility model relates to the related technical field of positioning pins, in particular to a split pin convenient to fix and clamp, which comprises a split pin main body, positioning plates are fixedly connected to the front and the back of the split pin main body, two positioning bolts are in threaded connection to the upper surfaces of the two positioning plates, and a clamping component is slidably connected to the inner wall of the split pin main body. A strip-shaped hole is formed in the upper surface of the knurling pin body. According to the split pin convenient to fix and clamp, through the arrangement of the driving assembly and the clamping assembly, when the split pin convenient to fix and clamp is used, an adjusting lead screw can be used for driving a movable block to move up and down, a connecting rod and a transmission frame are used for driving a movable rod to ascend, and therefore the clamping assembly is driven to unfold, and a threaded jackscrew can be used for locking the adjusting lead screw; and it is ensured that the position of the movable block does not move, so that the positions of the first clamping jaw and the second clamping jaw can be locked, the clamping stability can be improved, and the clamping device can adapt to parts with different widths and is high in flexibility.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the positioning pin related technical field, especially, a kind of blooming pin of being convenient for fixed clamping. BACKGROUND

[0002] Positioning pin is a kind of part participating in limiting the degree of freedom of object, there is certain application in some mechanical motion equipment, mainly used for two-dimensional space position determination, and blooming pin belongs to one of positioning pin, it is passed from the through hole of part, and realizes clamping function from the hole to the outside of part.

[0003] The blooming pin of the prior art is usually locked by using buckle structure during use, however, different parts have different thickness, and the buckle structure can only realize clamping effect on parts of the same thickness, once the thickness of the part is too large, the buckle cannot be buckled tightly, and too small will cause the blooming pin to be unable to be pressed tightly with the surface of the part, poor flexibility, and certain improvement space. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a kind of blooming pin of being convenient for fixed clamping to solve the problem that the buckle structure of the blooming pin of the prior art cannot be freely adjusted according to the thickness of different parts during use in the above background art, so that each different part needs to replace different blooming pins, and the flexibility is poor.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of blooming pin of being convenient for fixed clamping, including blooming pin main part, the front and back of the blooming pin main part are fixedly connected with positioning plate, the upper surface of two positioning plates is screw-connected with two positioning bolts, the inner wall of blooming pin main part is slidably connected with clamping assembly, the upper surface of blooming pin main part is provided with strip hole, the left side of blooming pin main part is fixedly connected with driving assembly, the upper surface of blooming pin main part is fixedly connected with positioning pin, and the surface of positioning pin is provided with fixed hole;

[0006] The driving assembly is used to drive clamping assembly to realize clamping function, and clamping assembly is used to cooperate with positioning pin to clamp.

[0007] Preferably, the clamping assembly includes a movable rod, a first jaw and a second jaw are sleeved on the surface of the movable rod, a circular hole is formed in the front surface of the first jaw and the second jaw, the first jaw and the second jaw are rotatably connected to the surface of the movable rod through the circular hole, and the inner rear wall of the blooming pin main part is fixedly connected with a first positioning shaft and a second positioning shaft, respectively.

[0008] Preferably, the front surface of the first and second clamping jaws is provided with an arc-shaped shaft hole, the first and second clamping jaws are respectively connected with the surface of the first and second positioning shafts through the arc-shaped shaft hole, the top end of the first and second clamping jaws penetrates through the strip-shaped hole and extends to the upper surface of the blooming pin body, and when the movable rod is at the bottom end, the distance between the top ends of the first and second clamping jaws is smaller than the diameter of the positioning pin.

[0009] Preferably, the top end of the first and second clamping jaws is provided with a universal ball, and the surface of the universal ball is fixedly connected with a rubber extrusion pad.

[0010] Preferably, the driving assembly comprises a positioning frame, the left side of the blooming pin body is provided with a strip-shaped groove, the upper surface of the positioning frame is provided with a circular through hole, the inner wall of the circular through hole is rotatably connected with an adjusting screw through a bearing, the inner bottom wall of the positioning frame is provided with a circular groove, the bottom end of the adjusting screw is rotatably connected with the inner bottom wall of the circular groove, the front surface of the positioning frame is provided with a threaded hole at a position corresponding to the circular groove, and the inner wall of the threaded hole is threadedly connected with a threaded top screw.

[0011] Preferably, the inner wall of the positioning frame is slidably connected with a movable block, the movable block is threadedly connected with the adjusting screw, the right side of the movable block is fixedly connected with a connecting rod, the connecting rod is matched with the strip-shaped groove, the right end of the connecting rod is fixedly connected with a transmission frame, the front surface of the transmission frame is provided with a circular fixing hole, and the circular fixing hole is matched with the movable rod.

[0012] Preferably, the front and rear inner walls of the blooming pin body are provided with limiting grooves, the inner bottom walls of the two limiting grooves are fixedly connected with locking rods, the inner walls of the two limiting grooves are slidably connected with limiting blocks, the two limiting blocks are respectively slidably connected with the surfaces of the two locking rods, and the opposite surfaces of the two limiting blocks are respectively fixedly connected with the front surface and the back surface of the transmission frame.

[0013] Compared with the prior art, the blooming pin has the advantages that: the driving assembly and the clamping assembly are arranged, in use, the movable block can be driven by the adjusting screw to move up and down, the movable rod can be driven by the connecting rod and the transmission frame to rise, so as to drive the clamping assembly to expand, the adjusting screw can be locked by the threaded top screw, the position of the movable block cannot be moved, the positions of the first and second clamping jaws can be locked, the clamping stability can be improved, the blooming pin can be matched with parts of different widths, the flexibility is high, the rubber extrusion pad can be used to press the surface of the part in use, the friction between the part and the blooming pin can be improved, the part can be protected, and the rubber extrusion pad can always face downward. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1The utility model discloses a three-dimensional structure schematic diagram shows;

[0015] Figure 2 The utility model discloses a clamping assembly front view structure schematic diagram shows;

[0016] Figure 3 The utility model discloses a driving assembly front view structure schematic diagram shows;

[0017] Figure 4 The utility model discloses a driving assembly three-dimensional structure schematic diagram shows.

[0018] In the drawing: 1, blossoming pin main part;2, positioning plate;3, positioning bolt;4, clamping assembly;5, driving assembly;6, positioning pin;401, movable rod;402, first clamping jaw;403, second clamping jaw;404, first positioning shaft;405, second positioning shaft;406, universal ball;407, rubber extrusion pad;501, positioning frame;502, bearing;503, adjusting screw;504, threaded jack screw;505, movable block;506, connecting rod;507, transmission frame;508, locking rod;509, limit block. DETAILED DESCRIPTION

[0019] The technical scheme in the embodiments of the utility model will be apparently and completely described below with the drawings in the embodiments of the utility model, and apparently, the described embodiments are only part of the embodiments of the utility model, not all the embodiments, and all other embodiments obtained by the ordinary skilled in the art without creative work on the basis of the embodiments in the utility model belong to the range of the utility model protection.

[0020] Please refer to Figures 1-4 The utility model provides a kind of technical scheme: a blossoming pin convenient to fixed clamping, including blossoming pin main part 1, the front and back of blossoming pin main part 1 are fixedly connected with positioning plate 2, the upper surface of two positioning plates 2 is screw-connected with two positioning bolts 3, the inner wall of blossoming pin main part 1 is slidably connected with clamping assembly 4, the upper surface of blossoming pin main part 1 is equipped with strip hole, the left side of blossoming pin main part 1 is fixedly connected with driving assembly 5, the upper surface of blossoming pin main part 1 is fixedly connected with positioning pin 6, and fixed hole is equipped on the surface of positioning pin 6;

[0021] Driving assembly 5 is used to drive clamping assembly 4 to realize clamping function, and clamping assembly 4 is used to cooperate with positioning pin 6 and carry out clamping operation.

[0022] Further, the clamping assembly 4 comprises a movable rod 401, the surface of the movable rod 401 is sleeved with a first clamping jaw 402 and a second clamping jaw 403, the front surface of the first clamping jaw 402 and the second clamping jaw 403 is provided with a circular hole, the first clamping jaw 402 and the second clamping jaw 403 are rotationally connected with the surface of the movable rod 401 through the circular hole, the inner rear wall of the opening pin body 1 is fixedly connected with a first positioning shaft 404 and a second positioning shaft 405, the front surface of the first clamping jaw 402 and the second clamping jaw 403 is provided with an arc-shaped shaft hole, the first clamping jaw 402 and the second clamping jaw 403 are slidingly connected with the surface of the first positioning shaft 404 and the second positioning shaft 405 through the arc-shaped shaft hole, the top end of the first clamping jaw 402 and the second clamping jaw 403 penetrates through the strip-shaped hole and extends to the upper surface of the opening pin body 1, and when the movable rod 401 is at the bottom end, the distance between the top ends of the first clamping jaw 402 and the second clamping jaw 403 is smaller than the diameter of the positioning pin 6, the first clamping jaw 402 and the second clamping jaw 403 can slide upward on the surface of the first positioning shaft 404 and the second positioning shaft 405 through the arc-shaped shaft hole, so as to realize the unfolding operation, when the first clamping jaw 402 and the second clamping jaw 403 are not unfolded, they can be accommodated in the positioning pin 6, so as not to affect the positioning pin 6 to pass through the through hole of the part, and after unfolding, the first clamping jaw 402 and the second clamping jaw 403 can clamp the surface of the part.

[0023] Further, the top end of the first clamping jaw 402 and the second clamping jaw 403 is provided with a universal ball 406, the surface of the universal ball 406 is fixedly connected with a rubber extrusion pad 407, through the setting of the universal ball 406, after the rotation of the first clamping jaw 402 and the second clamping jaw 403, the rubber extrusion pad 407 can always face downward, so the rubber extrusion pad 407 can contact the surface of the part, which can increase the friction between the part and the first clamping jaw 402 and the second clamping jaw 403, and also can protect the part.

[0024] Further, the driving assembly 5 comprises a positioning frame 501, a strip-shaped slot is formed in the left side of the blooming pin body 1, a circular through hole is formed in the upper surface of the positioning frame 501, the inner wall of the circular through hole is rotatably connected with an adjusting lead screw 503 through a bearing 502, a circular groove is formed in the inner bottom wall of the positioning frame 501, the bottom end of the adjusting lead screw 503 is rotatably connected with the inner bottom wall of the circular groove, a threaded hole is formed in the front surface of the positioning frame 501 at a position corresponding to the circular groove, the inner wall of the threaded hole is threadedly connected with a threaded top screw 504, a movable block 505 is slidably connected with the inner wall of the positioning frame 501, the movable block 505 is threadedly connected with the adjusting lead screw 503, a connecting rod 506 is fixedly connected with the right side of the movable block 505, the connecting rod 506 is matched with the strip-shaped slot, a transmission frame 507 is fixedly connected with the right end of the connecting rod 506, a circular fixing hole is formed in the front surface of the transmission frame 507, and the circular fixing hole is matched with the movable rod 401, the adjusting lead screw 503 can rotate through the bearing 502, the adjusting lead screw 503 can drive the movable block 505 to move upward in the inner wall of the positioning frame 501 after rotating, the movable block 505 can drive the movable rod 401 to rise through the connecting rod 506 and the transmission frame 507, so as to drive the clamping assembly 4 to clamp and lock the part, after clamping is completed, the threaded top screw 504 is rotated to lock the adjusting lead screw 503, after the adjusting lead screw 503 is locked, the movable block 505, the connecting rod 506 and the transmission frame 507 cannot move, so the stability of the first clamping jaw 402 and the second clamping jaw 403 can be improved, and the clamping effect can be improved.

[0025] Further, the front and rear inner walls of the blooming pin body 1 are both provided with limiting grooves, the inner bottom walls of the two limiting grooves are both fixedly connected with locking rods 508, the inner walls of the two limiting grooves are both slidably connected with limiting blocks 509, the two limiting blocks 509 are respectively slidably connected with the surfaces of the two locking rods 508, and the opposite surfaces of the two limiting blocks 509 are respectively fixedly connected with the front surface and the back surface of the transmission frame 507, during the up-down movement of the transmission frame 507 and the movable rod 401, the limiting blocks 509 are limited to move up and down on the surfaces of the locking rods 508, so that the movable rod 401 can always keep vertical lifting without deviation.

[0026] Working principle: first, the positioning plate 2 and positioning bolt 3 are used to lock the blooming pin body 1, after fixing, the blooming pin body 1 is passed through the through hole of the part through the positioning pin 6, at this time, the adjusting screw rod 503 is rotated, after the adjusting screw rod 503 is rotated, the movable block 505 can be driven to rise, the movable block 505 can drive the movable rod 401 to rise through the connecting rod 506 and the transmission frame 507, the movable rod 401 drives the first clamping jaw 402 and the second clamping jaw 403, moves upward on the surface of the first positioning shaft 404 and the second positioning shaft 405 through the arc-shaped shaft hole, at the same time, the first clamping jaw 402 and the second clamping jaw 403 are unfolded in the strip-shaped hole, and the rubber extrusion pad 407 is driven to press the upper surface of the part, due to the setting of the universal ball 406, the rubber extrusion pad 407 can always be pressed on the surface of the part, the rubber extrusion pad 407 can increase the friction between the part, reduce the wear of the part, improve the protection effect of the part, after the part is clamped, the threaded top wire 504 is rotated, and the surface of the adjusting screw rod 503 is tightly contacted in the circular groove, so that the adjusting screw rod 503 can be locked, and it is ensured that the adjusting screw rod 503 cannot be rotated, at this time, the movable rod 401 cannot be moved up and down due to the influence that the adjusting screw rod 503 cannot be rotated, so that the clamping stability of the first clamping jaw 402 and the second clamping jaw 403 is higher, the clamping effect of the part is better, and it can also be suitable for parts with different thicknesses, and the flexibility is higher.

[0027] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and its equivalents.

Claims

1. A flower pin for easy fixing and clamping, comprising a flower pin body (1), characterized in that: The front and back of the blooming pin body (1) are fixedly connected with positioning plates (2), the upper surfaces of the two positioning plates (2) are threadedly connected with two positioning bolts (3), the inner wall of the blooming pin body (1) is slidably connected with a clamping assembly (4), a strip-shaped hole is formed in the upper surface of the blooming pin body (1), the left side of the blooming pin body (1) is fixedly connected with a driving assembly (5), the upper surface of the blooming pin body (1) is fixedly connected with a positioning pin (6), and a fixing hole is formed in the surface of the positioning pin (6). The driving assembly (5) is used for driving the clamping assembly (4) to realize the clamping function, and the clamping assembly (4) is used for clamping operation in cooperation with the positioning pin (6).

2. A flowering pin for easy securement and clamping according to claim 1, characterized in that: The clamping assembly (4) comprises a movable rod (401), the surface of the movable rod (401) is sleeved with a first clamping jaw (402) and a second clamping jaw (403), the front surfaces of the first clamping jaw (402) and the second clamping jaw (403) are both provided with a circular hole, the first clamping jaw (402) and the second clamping jaw (403) are rotatably connected with the surface of the movable rod (401) through the circular hole, and the inner back wall of the blooming pin body (1) is fixedly connected with a first positioning shaft (404) and a second positioning shaft (405) respectively.

3. A self-clinching, breakaway pin according to claim 2, wherein: The front surfaces of the first clamping jaw (402) and the second clamping jaw (403) are both provided with an arc-shaped shaft hole, the first clamping jaw (402) and the second clamping jaw (403) are slidably connected with the surfaces of the first positioning shaft (404) and the second positioning shaft (405) through the arc-shaped shaft holes respectively, the top ends of the first clamping jaw (402) and the second clamping jaw (403) both penetrate through the strip-shaped hole and extend to the upper surface of the blooming pin body (1), and when the movable rod (401) is at the bottom end, the distance between the top ends of the first clamping jaw (402) and the second clamping jaw (403) is smaller than the diameter of the positioning pin (6).

4. The self-clinching, breakaway pin of claim 2, wherein: The top ends of the first clamping jaw (402) and the second clamping jaw (403) are both provided with universal balls (406), and the surfaces of the universal balls (406) are fixedly connected with rubber extrusion pads (407).

5. The self-clinching, breakaway pin of claim 1, wherein: The driving assembly (5) comprises a positioning frame (501), a strip-shaped groove is formed in the left side of the blooming pin body (1), the upper surface of the positioning frame (501) is provided with a circular through hole, the inner wall of the circular through hole is rotatably connected with an adjusting lead screw (503) through a bearing (502), the inner bottom wall of the positioning frame (501) is provided with a circular groove, the bottom end of the adjusting lead screw (503) is rotatably connected with the inner bottom wall of the circular groove, the front surface of the positioning frame (501) is provided with a threaded hole at a position corresponding to the circular groove, and the inner wall of the threaded hole is threadedly connected with a threaded top screw (504).

6. A self-clinching, swaged pin according to claim 5, wherein: The inner wall of the positioning frame (501) is slidably connected with a movable block (505), the movable block (505) is threadedly connected with the adjusting lead screw (503), the right side of the movable block (505) is fixedly connected with a connecting rod (506), the connecting rod (506) is matched with the strip-shaped groove, the right end of the connecting rod (506) is fixedly connected with a transmission frame (507), the front surface of the transmission frame (507) is provided with a circular fixing hole, and the circular fixing hole is matched with the movable rod (401).

7. The self-clinching, breakaway pin of claim 1, wherein: The front and back inner walls of the opening and spending body (1) are provided with limiting grooves, the inner bottom walls of the two limiting grooves are fixedly connected with locking rods (508), the inner walls of the two limiting grooves are slidably connected with limiting blocks (509), the two limiting blocks (509) are slidably connected with the surfaces of the two locking rods (508) respectively, and the opposite surfaces of the two limiting blocks (509) are fixedly connected with the front face and the back face of the transmission frame (507) respectively.