Rapid assembling and positioning clamp for leg plate joint pin

By introducing a roller structure for locking and positioning components and an adjusting screw design into the quick assembly positioning fixture for the leg plate joint pin, the problem of joint pin indentation caused by locking plate misalignment is solved, achieving stable positioning and convenient fine adjustment of the fixture, and improving machining accuracy.

CN223763115UActive Publication Date: 2026-01-06ANHUI YILITE TECH CO LTD
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Patent Information

Application Number
CN202520356749.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-04
Publication Date
2026-01-06
Estimated Expiration
2035-03-04

AI Technical Summary

Technical Problem

The existing quick assembly positioning fixture for leg plate joint pins is prone to causing the locking plate to rotate and deviate during the locking process, resulting in indentations on the surface of the joint pin and affecting the processing quality.

Method used

A quick assembly and positioning fixture for leg plate joint pins was designed. It adopts a roller structure combining locking and positioning components to prevent the locking bolt from rotating and deviating. The fixture can be fine-tuned by adjusting the screw and push bar to ensure stable engagement between the fixture and the joint pin.

Benefits of technology

It effectively prevents the locking plate from misaligning and causing indentations on the joint pin, improves machining accuracy, simplifies the manual fine-tuning process, and facilitates subsequent processing.

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Abstract

The utility model relates to the technical field of leg plate joint pin production, and discloses a quick assembling and positioning clamp for a leg plate joint pin, which comprises a mounting plate, a clamp seat is arranged at the top of the mounting plate, a plurality of positioning grooves are processed at the top of the clamp seat, and joint pins are arranged in the positioning grooves. The locking piece can be placed on the top of the joint pin and locked through the locking bolt, at the moment, the locking bolt rotates to use the locking piece to downwards press the joint pin, meanwhile, the two ends of the locking piece are matched with the pin rollers of the positioning pieces to roll and conduct limiting, and therefore the matching groove is stably matched with the outer wall of the joint pin; therefore, the situation that the matching groove deflects and cannot be aligned with the joint pin due to rotation deflection of the locking piece when the locking bolt is screwed and locked can be avoided, and the problem that the joint pin is indented and deformed due to deflection and dislocation of the matching groove is prevented.
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Description

TECHNICAL FIELD

[0001] The utility model relates to leg plate joint pin production technical field, concretely is a kind of leg plate joint pin with quick assembly positioning fixture. BACKGROUND

[0002] Leg plate joint pin, material is SUS304, is processed by four processes such as turning, CNC, wire cutting and passivation, after joint pin and aluminium joint are connected, tooth disc is pressed and assembled in aluminium joint, finally welded and assembled into leg plate joint.And in the joint pin for processing use needs to use assembly positioning fixture to position joint pin.

[0003] The existing leg plate joint pin with quick assembly positioning fixture is usually provided with a plurality of positioning grooves of fixture seat, and then the locking piece with matching groove on the fixture seat is locked on the surface of joint pin, at this time, the matching groove is attached to the top of joint pin, and when the bolt is tightened, the lower surface of the nut of the bolt drives the locking piece to rotate, which easily causes the locking piece to rotate slightly and the matching groove to be inclined and pressed on the top of the joint pin, which easily causes the surface of the joint pin to be damaged, and is not conducive to the processing of the joint pin, therefore, we propose a leg plate joint pin with quick assembly positioning fixture. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a leg plate joint pin with quick assembly positioning fixture to solve the problem of the rotation of the locking piece caused by tightening the bolt in the background art.

[0005] To achieve the above object, the utility model provides the following technical scheme: a leg plate joint pin with quick assembly positioning fixture, including mounting plate, the mounting plate top is provided with fixture seat, the fixture seat top is processed with a plurality of positioning grooves, the positioning groove is internally provided with joint pin, the joint pin top is provided with locking piece, the locking piece both ends are matched with positioning piece, the positioning piece is internally provided with a plurality of roller, the positioning piece top is penetrated with locking bolt.

[0006] Preferably, the both ends of the fixture seat are matched with the fixed plate fixed to the mounting plate, and the front side wall of the fixed plate is penetrated with the sliding column.

[0007] Preferably, the rear side wall of the fixed plate is provided with the push bar, and the sliding column is fixed to the side wall of the push bar.

[0008] Preferably, the side wall of the push bar is rotatably connected with the adjusting screw, and the adjusting screw penetrates the side wall of the fixed plate.

[0009] Preferably, the bottom of the locking piece is provided with a plurality of matching grooves, and the sidewall of the locking piece is matched with a stopper fixed to the clamp seat.

[0010] Preferably, the push bar is matched with the sidewall of the clamp seat, and the two sides of the clamp seat are provided with a plurality of fasteners.

[0011] Preferably, the fastener is fixed to the top of the mounting plate, and the top of the fastener is provided with a fastening bolt.

[0012] Preferably, the top of the clamp seat is provided with a plurality of grooves matched with the sidewall of the positioning groove.

[0013] Compared with the prior art, the utility model has the beneficial effects that:

[0014] The utility model discloses a positioning clamp, which comprises a clamp seat, a locking piece, a joint pin, a positioning groove and a locking bolt.

[0015] When the fastener is used to fasten the clamp seat, the fastening bolt is rotated to slightly press the clamp seat, then the adjusting screw at two ends is rotated to make the two push bars clamp the clamp seat, and then the adjusting screw at one end is tightened and the adjusting screw at the other end is loosened to make the push bar push the clamp seat and realize the fine adjustment of the clamp seat. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a whole structure schematic view of the utility model;

[0017] Figure 2 It is a clamp seat top structure schematic view of the utility model;

[0018] Figure 3 It is a locking piece and locking bolt split structure schematic view of the utility model;

[0019] Figure 4 It is a stopper and sliding column combination structure schematic view of the utility model.

[0020] In the figure: 100, mounting plate; 101, fastener; 110, clamp seat; 120, positioning groove; 121, joint pin; 130, locking piece; 131, positioning piece; 132, roller; 133, locking bolt; 134, stop block; 135, matching groove; 140, fixed plate; 141, adjusting screw; 142, sliding column; 143, pushing bar. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model. EMBODIMENT

[0022] Please refer to Figures 1-4 , a kind of leg plate joint pin is shown in the figure Quick Assembly Positioning Clamp, including mounting plate 100, mounting plate 100 top is provided with clamp seat 110, clamp seat 110 top is processed with multiple positioning grooves 120, joint pin 121 is clamped in the inside of positioning groove 120, joint pin 121 top is provided with locking piece 130, locking piece 130 two ends are matched with positioning piece 131, positioning piece 131 can be positioned when locking piece 130 is placed on the top of joint pin 121 Locking piece 130, so that when locking piece 130 is placed, it can be avoided in advance to be inclined, multiple rollers 132 are arranged in the inside of positioning piece 131, roller 132 is stainless steel column, locking bolt 133 is penetrated in the top of positioning piece 131.

[0023] Specifically, clamp seat 110 two ends are matched with fixed plate 140 that is fixed to mounting plate 100 by bolt, sliding column 142 is penetrated in the front side wall of fixed plate 140.

[0024] Further, the rear side wall of fixed plate 140 is provided with pushing bar 143, and sliding column 142 is fixed to the side wall of pushing bar 143 by bolt.

[0025] Further, the side wall of pushing bar 143 is rotatably connected with adjusting screw 141, and adjusting screw 141 will not enter the inside of pushing bar 143 when rotating adjusting screw 141, adjusting screw 141 is penetrated in the side wall of fixed plate 140, and the inside of fixed plate 140 is provided with threads matched with adjusting screw 141.

[0026] Further, the bottom of locking piece 130 is provided with multiple matching grooves 135, and the side wall of locking piece 130 is matched with stop block 134 that is tightly welded to clamp seat 110.

[0027] Further, the pushing bars 143 are matched with the side walls of the clamp seat 110, and a plurality of fasteners 101 are arranged on both sides of the clamp seat 110.

[0028] It is worth noting that the fasteners 101 are tightly welded on the top of the mounting plate 100, and a fastening bolt is arranged on the top of the fastener 101, and the fastener 101 is composed of a vertical stainless steel column and a horizontal stainless steel compression bar, when the fastening bolt is tightened, the vertical stainless steel column is matched to make the stainless steel compression bar compress on the top of the clamp seat 110.

[0029] It is worth noting that a plurality of grooves are arranged on the top of the clamp seat 110, which can be used to conveniently drain the cutting fluid during the drilling of the joint pin 121, and the grooves are matched with the side walls of the positioning groove 120.

[0030] Working principle: after the joint pin is matched with the positioning groove 120 and placed, the locking piece 130 is placed on the top of the joint pin and locked by using the locking bolt 133, at this time, the locking bolt 133 is rotated to use the locking piece 130 to press downward on the joint pin, and the both ends of the locking piece 130 are matched with the rollers 132 of the positioning piece 131 to roll and be limited, so that the matched groove 135 is stably matched with the outer wall of the joint pin, so that the situation that the matched groove 135 is inclined and not aligned with the joint pin due to the rotation of the locking piece 130 when the locking bolt 133 is tightened is avoided, and the problem that the matched groove 135 is inclined and misaligned to cause indentation deformation of the joint pin is prevented; when the fastener 101 is used to tighten the clamp seat 110, the clamp seat 110 is slightly compressed by rotating the fastening bolt, at this time, the two adjusting screws 141 are rotated to make the two pushing bars 143 clamp the clamp seat 110, then the adjusting screw 141 at one end is tightened and the adjusting screw 141 at the other end is loosened to make the pushing bar 143 push the clamp seat 110 to realize the fine adjustment of the clamp seat 110, so that the clamp can be finely adjusted left and right when the assembly positioning clamp is used, which is convenient for matching the subsequent machining structure for machining, and solves the inconvenience of manual fine adjustment.

[0031] It should be noted that in this document, the terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between the entities or operations. Moreover, the terms "include", "contain" or any other variants thereof are intended to cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or equipment.

[0032] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A quick assembly positioning fixture for leg plate hinge pin comprising a mounting plate (100) characterized in that: The mounting plate (100) top is provided with a clamp seat (110), the clamp seat (110) top is processed with a plurality of positioning slots (120), the positioning slot (120) is provided with a joint pin (121) inside, the joint pin (121) top is provided with a locking piece (130), the locking piece (130) both ends are matched with a positioning piece (131), the positioning piece (131) is provided with a plurality of rollers (132) inside, the positioning piece (131) top is penetrated with a locking bolt (133).

2. A quick assembly positioning fixture for leg plate hinge pins as claimed in claim 1, characterized in that: The clamp seat (110) both ends are matched with the fixed plate (140) fixed to the mounting plate (100), the fixed plate (140) front side wall is penetrated with a sliding column (142).

3. A quick assembly positioning fixture for leg plate hinge pins as defined in claim 2, wherein: The fixed plate (140) rear side wall is provided with a push bar (143), and the sliding column (142) is fixed to the side wall of the push bar (143).

4. A quick assembly positioning fixture for leg plate hinge pins as defined in claim 3, wherein: The push bar (143) side wall is rotatably connected with an adjusting screw (141), and the adjusting screw (141) penetrates the side wall of the fixed plate (140).

5. A quick assembly positioning fixture for leg plate hinge pins as defined in claim 1, wherein: The bottom of the locking piece (130) is provided with a plurality of matching grooves (135), and the locking piece (130) is matched with a stop block (134) fixed to the clamp seat (110).

6. A quick assembly positioning fixture for leg plate hinge pins as defined in claim 3, wherein: The push bar (143) is matched with the side wall of the clamp seat (110), and the clamp seat (110) is provided with a plurality of fasteners (101) on both sides.

7. A quick assembly positioning fixture for leg plate hinge pins as defined in claim 6, wherein: The fastener (101) is fixed to the top of the mounting plate (100), and the fastener (101) is provided with a fastening bolt on the top.

8. A quick assembly positioning fixture for leg plate hinge pins as defined in claim 1, wherein: The top of the clamp seat (110) is provided with a plurality of grooves, and the grooves are matched with the side wall of the positioning slot (120).