Riveting tool for valve subassembly

By designing the slots, valve arm clamps, and elastic components of the riveting fixture, the problem of valve arm reversal was solved, enabling rapid positioning and inspection, improving production efficiency, and reducing rework rate.

CN223670146UActive Publication Date: 2025-12-16LIANYUNGANG GUANYU PRECISE IND CO LTD
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Patent Information

Application Number
CN202423243277.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-27
Publication Date
2025-12-16
Estimated Expiration
2034-12-27

AI Technical Summary

Technical Problem

During the riveting process of valve subassemblies, valve arms are easily installed backwards, leading to rework and increased workload. Existing technologies are difficult to effectively inspect and position the correct installation of valve arms.

Method used

A riveting fixture was designed, including a base, a slot, a valve arm clamp, and a spring component. The valve plate is positioned by the slot and groove, the long and short rods of the valve arm clamp are used to check the position of the valve arm, and the spring component detects the front and back of the valve arm to ensure correct installation.

Benefits of technology

It enables rapid positioning and verification of correct valve arm installation, reduces riveting errors, improves production efficiency, and lowers rework rates.

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    Figure CN223670146U_ABST
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Abstract

The riveting tool for the valve sub-assembly comprises a base, a clamping groove corresponding to a valve block in shape is formed in the middle of the top face of the base, the valve sub-assembly is placed in the clamping groove, and a rivet needing to be riveted corresponds to a rivet head on the upper side in position. A valve arm clamp is fixedly installed on one side of the clamping groove and comprises a supporting rod arranged in the middle, and a long rod and a short rod are arranged on the two sides of the supporting rod respectively. The inner wall of the long rod and the inner wall of the short rod are provided with notches and arc lines corresponding to the outer contour of the side wall of the valve sub-assembly. An elastic component is arranged on the upper side of the through hole in the front face of the valve arm. By means of the tool, the model number of the valve arm and the situation that the valve arm is wrongly installed forwards and backwards in the assembling procedure before riveting can be rapidly found, and damage can be stopped in time; and the reject ratio caused by riveting due to wrong assembly is effectively avoided, the rework rate is reduced, and the labor cost is saved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to automobile parts processing technical field, concretely relates to a riveting tool for valve subassembly. BACKGROUND

[0002] Figure 1 The valve subassembly 1 shown includes valve piece 11, valve arm 12 and washer 13 arranged in turn from bottom to top, valve piece 11, valve arm 12 and washer 13 are fixed through rivet 14;Valve arm 12 one end of front face is provided with round through hole, the back of valve arm 12 is solid state.In production such as Figure 1 When the valve subassembly 1 shown is produced, in the assembly process before riveting, the front and back of valve arm 12 may be assembled reversely by staff.

[0003] In addition, when two batches of valve subassemblies with high similarity and different sizes are produced in the workshop at the same time, only the size of valve piece is slightly different, and the left and right directions of valve arm are opposite, the rest of the structure is consistent;When assembling, the staff is easy to mix the valve arms of the two batches, and the reverse of the valve arm of one batch is assembled upward in the position of the valve arm of another batch.

[0004] The staff of later riveting fails to find in time, and the assembly with the valve arm assembled reversely is directly riveted;When later inspection, it is found that the valve arm is assembled reversely, and a large number of rework is formed, which causes great loss and increases the labor of workers. UTILITY MODEL CONTENT

[0005] In view of the above technical problems, the technical scheme provides a riveting tool for valve subassembly, which can test whether the valve arm is installed accurately, and can effectively solve the above problems.

[0006] The utility model discloses a following technical scheme realizes:

[0007] A riveting tool for valve subassembly, the riveting tool includes base, the middle part of the top surface of base is provided with clamping groove, valve subassembly is placed in clamping groove, and the position of rivet to be riveted corresponds with upper side riveting head;Valve arm clamp is fixedly installed on one side of clamping groove, and the valve arm clamp includes support rod arranged in the middle part, and long rod and short rod are arranged on the both sides of support rod respectively;The inner wall of long rod and short rod is provided with the notch and the arc line corresponding with the outer contour of valve subassembly side wall;The upper side of the through hole of valve arm front face is provided with elastic component.

[0008] Further, the top surface of base is provided with recessed part at the position corresponding with the protruding part of one end of valve arm in valve subassembly.

[0009] Further, the clamping groove is provided with the recess corresponding with the protruding part of valve piece assembly bottom surface, and can play the effective positioning role.

[0010] Further, the long rod and the short rod are integrally formed with the support rod; the bottom of the support rod is fixedly installed on the top surface of the base through the support column, and the top surface of the long rod and the short rod is flush with the height of the gasket in the valve assembly.

[0011] Further, the length of the long rod extends to the end of the valve arm, facilitating the inspection of the long rod on the valve arm; and the length of the short rod extends to the middle of the clamping groove, facilitating the placement and taking of the valve assembly.

[0012] Further, the elastic component is fixed on the upper side of the valve arm through the support arm, and the support arm is fixed on the rivet head support seat, so that the elastic component can move with the up and down displacement of the rivet head.

[0013] Further, the bottom surface of the elastic component is lower than the bottom surface of the rivet head. Advantages

[0014] Compared with the prior art, the riveting tool for the valve assembly has the following advantages:

[0015] The riveting tool in the technical solution is one tool for one batch, and the riveting work of the specified batch is completed on the specified riveting machine; therefore, the riveting tool can be quickly placed in the tool through the clamping groove matched with the valve piece in the valve assembly and the positioning groove in the clamping groove, and has a good positioning effect.

[0016] According to the slight difference in the valve arm structure of each batch of valve assemblies, the valve arm is installed on the valve piece, and the side wall outer contour of the valve assembly formed after installation is inconsistent; through the setting of the notch and the arc line corresponding to the side wall outer contour of the valve assembly in the valve arm clamp, it can be checked whether the valve arm in the valve assembly is installed incorrectly, and the position of the valve arm can be positioned; the setting of the elastic component can check whether the front and back of the valve arm in the valve assembly are installed reversely; and the setting of the long rod and the short rod in the valve arm clamp facilitates the inspection and positioning of the long rod on the valve arm and the placement and taking of the valve assembly.

[0017] In the technical solution, the elastic component is fixed on the upper side of the valve arm through the support arm, and the support arm is fixed on the rivet head support seat, so that the elastic component can move with the up and down displacement of the rivet head; and the bottom surface of the elastic component is lower than the bottom surface of the rivet head, so that when the rivet head moves downward, the elastic component will enter the through hole of the valve arm first, and if the front and back of the valve arm are installed reversely, the elastic component will first contact the top surface of the valve arm, causing shaking; thus, the attention of the riveting worker is attracted, and the situation is discovered in time. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is a structure schematic view of the valve assembly in the background art.

[0019] Figure 2 The whole structure schematic view of the utility model.

[0020] Figure 3 The structure schematic view of the base part in the utility model.

[0021] Figure 4 The schematic view of valve subassembly installation in the utility model on the tooling.

[0022] The mark in the drawing is: 1-valve subassembly, 11-valve piece, 12-valve arm, 13-washer, 14-rivets, 2-base, 21-recess, 22-clamping groove, 23-groove, 3-valve arm clamp, 31-supporting rod, 32-long rod, 321-groove, 33-short rod, 4-strut, 5-elastic component, 6-supporting arm, 7-riveting head, 8-riveting head support. DETAILED DESCRIPTION

[0023] The technical scheme in the utility model embodiment will be clearly and completely described below with the drawings in the utility model embodiment. The described embodiment is only a part of the embodiment of the utility model, not all. The various modifications and improvements of the technical scheme of the utility model made by the ordinary people in the art without departing from the design concept of the utility model shall fall into the protection scope of the utility model. Embodiment 1

[0024] As Figures 2 to 4 The riveting tooling for valve subassembly, the riveting tooling includes base 2, and the top surface of base 2 is provided with recess 21 at the position corresponding to the protruding part of one end of valve arm 12 in valve subassembly 1.

[0025] The middle part of the top surface of base 2 is provided with clamping groove 22 corresponding to the shape and size of valve piece 11, and groove 23 corresponding to the protruding part of the bottom surface of valve subassembly 1 is arranged in clamping groove 22; can play the effective positioning role; when valve subassembly 1 is placed in clamping groove 22, the rivet 14 to be riveted corresponds to the position of upper riveting head 7.

[0026] Valve arm clamp 3 is fixedly installed at one side of clamping groove 22, and the valve arm clamp 3 includes supporting rod 31 arranged in the middle part, long rod 32 and short rod 33 are arranged at both sides of supporting rod 31 respectively, and long rod 32 and short rod 33 are integrally formed with supporting rod 31; the length of long rod 32 extends to the end of valve arm 12, facilitating the inspection of long rod 32 to valve arm 12; the length of short rod 33 extends to the position at the middle part of clamping groove 22, facilitating the placement and taking of valve subassembly 1.

[0027] The bottom of the support rod 31 is fixedly installed on the top surface of the base 2 through the support column 4, and the top surfaces of the long rod 32 and the short rod 33 are flush with the height of the gasket 13 in the valve assembly 1; the inner walls of the long rod 32 and the short rod 33 are provided with notches 321 and arcs corresponding to the outer contour of the side wall of the valve assembly 1; the valve arm clamp 3 is convenient for inspecting and positioning the valve arm 12.

[0028] The elastic component 5 is arranged on the upper side of the through hole of the valve arm 12, and the elastic component 5 in the embodiment adopts a spring; the elastic component 5 is fixed on the upper side of the valve arm 12 through the support arm 6, the support arm 6 is fixed on the rivet head bracket 8, so that the elastic component 5 can move along with the up-and-down displacement of the rivet head 6; the bottom surface of the elastic component 5 is lower than the bottom surface of the rivet head 6.

[0029] The elastic component 5 moves along with the up-and-down displacement of the rivet head 6, when the rivet head 6 moves downward, the elastic component 5 will first enter the through hole of the valve arm 12. If the front and back surfaces of the valve arm 12 are installed reversely, the elastic component 5 will first contact the top surface of the valve arm 12, and shaking will be generated; the riveting worker will be attracted, and the situation can be found in time.

Claims

1. A riveting tool for a valve subassembly, the riveting tool comprising a base (2), a clamping groove (22) being provided in the middle of the top surface of the base (2), the valve subassembly (1) being placed in the clamping groove (22), a rivet (14) to be riveted corresponding to the position of the upper riveting head (7); characterized in that: The valve arm clamp (3) is fixedly installed on one side of the clamping groove (22), the valve arm clamp (3) comprises a supporting rod (31) arranged in the middle part, long rods (32) and short rods (33) are arranged on both sides of the supporting rod (31) respectively, and the inner walls of the long rods (32) and the short rods (33) are provided with notches (321) and arcs corresponding to the outer contour of the side wall of the valve assembly (1); the upper side of the through hole in the front of the valve arm (12) is provided with an elastic component (5). ​ 2. A swaging tool for a valve sub-assembly according to claim 1, characterised in that: The top surface of the base (2) is provided with a recessed part (21) at a position corresponding to the protruding part of one end of the valve arm (12) in the valve assembly (1).

3. A swaging tool for a valve sub-assembly according to claim 1, wherein: The clamping groove (22) is provided with a groove (23) corresponding to the protruding part of the bottom surface of the valve assembly (1).

4. A swaging tool for a valve sub-assembly according to claim 1, wherein: The long rods (32) and the short rods (33) are integrally formed with the supporting rod (31); the bottom of the supporting rod (31) is fixedly installed on the top surface of the base (2) through the support column (4), and the top surfaces of the long rods (32) and the short rods (33) are flush with the height of the gasket (13) in the valve assembly (1).

5. A swaging tool for a valve sub-assembly according to claim 1, wherein: The length of the long rod (32) extends to the end of the valve arm (12); and the length of the short rod (33) extends to the middle part of the clamping groove (22).

6. A swaging tool for a valve sub-assembly according to claim 1, wherein: The elastic component (5) is fixed on the upper side of the valve arm (12) through the supporting arm (6).

7. A swaging tool for a valve sub-assembly according to claim 1, wherein: The bottom surface of the elastic component (5) is lower than the bottom surface of the rivet head (7).