Hardware injection molding part with rapid clamping structure

By designing a fast engaging structure on hardware injection molded parts and using the engaging mechanism and spring device to achieve rapid assembly, the problem of high assembly cost of traditional hardware injection molded parts is solved, and assembly efficiency is improved and costs are reduced.

CN222910439UActive Publication Date: 2025-05-27DONGGUAN CHANGXIN ELECTRONIC TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202422033346.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-21
Publication Date
2025-05-27
Estimated Expiration
2034-08-21

AI Technical Summary

Technical Problem

Traditional hardware injection molding parts require screws and nuts to be screwed against each other during assembly, and sometimes screwdriver tools are required, which increases assembly cost.

Method used

A hardware injection molded part with a fast engaging structure is designed. By installing a first engaging mechanism and a second engaging mechanism on the first and second main bodies, rapid assembly is achieved using components such as engaging columns, limit seats, return springs, mounting columns, displacement plates, support springs and spring shock absorbers.

Benefits of technology

Through the design of the fast-engage structure, the traditional screw and nut assembly method is replaced, which improves the assembly efficiency of hardware injection molded parts and reduces the assembly cost.

✦ Generated by Eureka AI based on patent content.

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Abstract

The hardware injection molding part comprises a first main body, the top end of the first main body is connected with a second main body, a first clamping mechanism is fixedly installed in the middle of the top end of the first main body, and a hollow positioning column is fixedly installed in the middle of the top end of the inner wall of the second main body; the hardware injection molding part comprises a first main body and a second main body, the two sides of the top end of the inner wall of the second main body are each fixedly provided with a first clamping mechanism, the two sides of the top end of the inner wall of the second main body are each fixedly provided with a second clamping mechanism, and each first clamping mechanism comprises a clamping column and two limiting bases. The two connecting columns on the first clamping mechanism are clamped into the positioning holes in the hollow positioning columns to complete assembling of the first body and the second body, the two adjacent assembling hooks on the second clamping mechanism are hooked on the assembling holes under the pressing effect, assembling of the first body and the second body is completed, traditional mutual matching of screws and nuts is replaced, and the assembling efficiency is improved. And the assembling efficiency of the hardware injection molding part is improved, and the assembling cost is reduced.
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Description

Technical Field

[0001] The utility model relates to the technical field of hardware injection molded parts, and specifically relates to a hardware injection molded part with a quick clamping structure. Background Technique

[0002] Hardware injection molded parts are manufactured through injection molding technology, which enables manufacturers to produce parts with specific functions and appearances. In the field of hardware tools, the application of injection molding is very extensive, including but not limited to handles and grips, housings and external parts, measuring scales and rulers, handles and housings of power tools, cutting tools and blade protectors, connectors and fittings, and protective equipment, etc. Through injection molding technology, manufacturers can produce parts that are both lightweight and strong. These parts not only improve the performance and reliability of hardware tools, but also reduce production costs, making these tools more competitive in the market.

[0003] However, traditional hardware injection molded parts have the following disadvantages:

[0004] The assembly between traditional hardware injection molded parts needs to be completed by screwing screws and nuts with each other. Sometimes, a screwdriver tool is also needed during the screwing process, which increases the assembly cost of hardware injection molded parts. Content of the Utility Model

[0005] The purpose of the utility model is to provide a hardware injection molded part with a quick clamping structure to solve the problem that the assembly between traditional hardware injection molded parts needs to be completed by screwing screws and nuts with each other, and sometimes a screwdriver tool is also needed during the screwing process, which increases the assembly cost of hardware injection molded parts as mentioned in the above background technique.

[0006] To achieve the above purpose, the utility model provides the following technical solution: A hardware injection molded part with a quick clamping structure, including a first main body, a second main body is connected to the top of the first main body, a first clamping mechanism is fixedly installed in the middle of the top of the first main body, a hollow positioning column is fixedly installed in the middle of the inner wall top of the second main body, and second clamping mechanisms are fixedly installed on both sides of the inner wall top of the second main body. The first clamping mechanism includes a clamping column and two limiting seats. A limiting plate is fixedly installed inside the clamping column. The two ends of the limiting plate are respectively fixedly connected to one end of the two limiting seats. A connecting column extending to the outside is slidably connected to the opposite ends of the two limiting seats. Each of the two second clamping mechanisms includes an installation column and two assembly hooks. Displacement plates are provided on both sides of the installation column. The bottom ends of the two displacement plates are respectively fixedly connected to the top ends of the two assembly hooks.

[0007] Preferably, a return spring is fixedly installed between each of the two limit seats and the two connecting columns. When the user presses the connecting column by hand, the connecting column squeezes the return spring. The return spring is elastic, and the elastic deformation of the return spring buffers the extrusion force.

[0008] Preferably, the bottom end of the engaging column is fixedly connected to the first main body, and the first engaging mechanism is installed on the first main body through the engaging column.

[0009] Preferably, a spring shock absorber is fixedly installed in the middle of the opposite sides of the two displacement plates. One end of the two spring shock absorbers away from the displacement plates is fixedly connected to the middle of both sides of the mounting column. At both ends of the opposite sides of the two displacement plates, a support spring is fixedly installed. One end of the four support springs away from the displacement plates is fixedly connected to the opposite side of the mounting column. The top end of the mounting column is fixedly connected to the second main body. When the user presses the displacement plate by hand, the displacement plate squeezes the support springs and the spring shock absorbers. The support spring is elastic, and the elastic deformation of the support spring buffers the extrusion force, and the spring shock absorber buffers the deformation force generated by the support spring.

[0010] Preferably, assembly holes are formed on both sides of the top end of the first main body. The middle parts of the four assembly hooks are respectively in contact connection with both sides of the inner walls of the two assembly holes. Every two adjacent assembly hooks are hooked on both sides of the assembly hole to complete the assembly of the two.

[0011] Preferably, positioning holes are formed on both sides of the hollow positioning column. The two connecting columns are respectively arranged corresponding to the two positioning holes, and the two connecting columns are inserted into the positioning holes to complete the assembly of the engaging column and the hollow positioning column.

[0012] Preferably, a sealing gasket is sleeved at the connection between the first main body and the second main body, and the sealing gasket fills the gap at the connection between the first main body and the second main body.

[0013] Compared with the prior art, the beneficial effects of the present utility model are as follows: By providing the first engaging mechanism and the second engaging mechanism, the two connecting columns on the first engaging mechanism are inserted into the positioning holes on the hollow positioning column to complete the assembly of the first main body and the second main body. The two adjacent assembly hooks on the second engaging mechanism are hooked on the assembly holes under the action of pressing to complete the assembly of the first main body and the second main body, replacing the traditional cooperation of screws and nuts, improving the assembly efficiency of the hardware injection molded parts and reducing the assembly cost. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 is an exploded view of the present utility model;

[0015] Figure 2 is a schematic diagram of the first main body of the present utility model;

[0016] Figure 3Schematic diagram of the second main body of the present utility model;

[0017] Figure 4 Side view of the second engaging mechanism of the present utility model;

[0018] Figure 5 Cross-sectional view of the first engaging mechanism of the present utility model;

[0019] Figure 6 Assembly drawing of the hardware injection molding part of the present utility model.

[0020] In the figure: 1. First main body; 2. Sealing gasket; 3. Second main body; 4. Assembly hole; 5. First engaging mechanism; 51. Engaging column; 52. Connecting column; 53. Limiting plate; 54. Limiting seat; 55. Return spring; 6. Second engaging mechanism; 61. Mounting column; 62. Support spring; 63. Displacement plate; 64. Assembly hook; 65. Spring shock absorber; 7. Hollow positioning column; 8. Positioning hole. Detailed implementation manners

[0021] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model.

[0022] Please refer to Figure 1-6 , the present utility model provides a hardware injection molding part with a quick engaging structure, including a first main body 1, a second main body 3 is connected to the top end of the first main body 1, a first engaging mechanism 5 is fixedly installed in the middle of the top end of the first main body 1, a hollow positioning column 7 is fixedly installed in the middle of the inner wall top end of the second main body 3, second engaging mechanisms 6 are fixedly installed on both sides of the inner wall top end of the second main body 3, the first engaging mechanism 5 includes an engaging column 51 and two limiting seats 54, a limiting plate 53 is fixedly installed inside the engaging column 51, both sides of the limiting plate 53 are fixedly connected to one end of the two limiting seats 54 respectively, connecting columns 52 extending to the outside are slidably connected to the opposite ends of the two limiting seats 54 respectively, both of the second engaging mechanisms 6 include mounting columns 61 and two assembly hooks 64, displacement plates 63 are arranged on both sides of the mounting column 61, and the bottom ends of the two displacement plates 63 are fixedly connected to the top ends of the two assembly hooks 64 respectively.

[0023] Return springs 55 are fixedly installed between the two limiting seats 54 and the two connecting columns 52. The user presses the connecting column 52 by hand, the connecting column 52 squeezes the return spring 55, the return spring 55 has elasticity, and the return spring 55 undergoes elastic deformation to buffer the extrusion force.

[0024] The bottom end of the engaging column 51 is fixedly connected to the first main body 1, and the first engaging mechanism 5 is installed on the first main body 1 through the engaging column 51.

[0025] On the middle parts of the opposite sides of the two displacement plates 63, spring shock absorbers 65 are fixedly installed. The ends of the two spring shock absorbers 65 away from the displacement plates 63 are fixedly connected to the middle parts of both sides of the mounting column 61. On the two ends of the opposite sides of the two displacement plates 63, support springs 62 are fixedly installed. The ends of the four support springs 62 away from the displacement plates 63 are fixedly connected to the opposite side of the mounting column 61. The top end of the mounting column 61 is fixedly connected to the second main body 3. When the user presses the displacement plate 63 with the hand, the displacement plate 63 squeezes the support springs 62 and the spring shock absorbers 65. The support springs 62 are elastic, and the support springs 62 undergo elastic deformation to buffer the extrusion force, and the spring shock absorbers 65 buffer the deformation force generated by the support springs 62.

[0026] On both sides of the top end of the first main body 1, assembly holes 4 are opened. The middle parts of the four assembly hooks 64 are respectively in contact connection with both sides of the inner walls of the two assembly holes 4. Every two adjacent assembly hooks 64 are hooked on both sides of the assembly holes 4 to complete the assembly of the two.

[0027] On both sides of the hollow positioning column 7, positioning holes 8 are opened. The two connecting columns 52 are respectively arranged corresponding to the two positioning holes 8. The two connecting columns 52 are snapped into the positioning holes 8 to complete the assembly of the engaging column 51 and the hollow positioning column 7.

[0028] A sealing gasket 2 is sleeved at the connection part between the first main body 1 and the second main body 3. The sealing gasket 2 fills the gap at the connection part between the first main body 1 and the second main body 3.

[0029] When the embodiment of the present application is in use: The user presses the connecting column 52 with the hand. The connecting column 52 squeezes the return spring 55. The return spring 55 is elastic, and the return spring 55 undergoes elastic deformation to buffer the extrusion force. The two connecting columns 52 are snapped into the positioning holes 8 to complete the assembly of the engaging column 51 and the hollow positioning column 7. The user presses the displacement plate 63 with the hand. The displacement plate 63 squeezes the support springs 62 and the spring shock absorbers 65. The support springs 62 are elastic, and the support springs 62 undergo elastic deformation to buffer the extrusion force, and the spring shock absorbers 65 buffer the deformation force generated by the support springs 62. The displacement plate 63 drives the assembly hooks 64 to move synchronously. Every two adjacent assembly hooks 64 are hooked on both sides of the assembly holes 4 to complete the assembly of the two, thereby assembling the first main body 1 and the second main body 3 together. The sealing gasket 2 fills the gap at the connection part between the first main body 1 and the second main body 3.

[0030] Although the present utility model has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements on some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present utility model shall be included within the protection scope of the present utility model.

Claims

1. A metal injection molded part with a quick-engagement structure, comprising a first body (1), characterized in that: The top of the first body (1) is connected to the second body (3); a first locking mechanism (5) is fixedly installed in the middle of the top of the first body (1); a hollow positioning column (7) is fixedly installed in the middle of the top of the inner wall of the second body (3); and second locking mechanisms (6) are fixedly installed on both sides of the top of the inner wall of the second body (3); the first locking mechanism (5) comprises a locking column (51) and two limiting seats (54); a limiting plate (53) is fixedly installed inside the locking column (51); both sides of the limiting plate (53) are fixedly connected to one end of the two limiting seats (54) respectively; the two limiting seats (54) are slidably connected to the opposite ends thereof with a connecting column (52) extending to the outside; and the two second locking mechanisms (6) each comprise a mounting column (61) and two assembly hooks (64); displacement plates (63) are provided on both sides of the mounting column (61); and the bottom ends of the two displacement plates (63) are fixedly connected to the tops of the two assembly hooks (64) respectively.

2. The metal injection molded part with a quick-fit structure according to claim 1, characterized in that: A return spring (55) is fixedly installed between the two limit seats (54) and the two connecting pillars (52).

3. The metal injection molded part with a quick-fit structure according to claim 1, characterized in that: The bottom end of the locking column (51) is fixedly connected to the first body (1).

4. The metal injection molded part with a quick-fit structure according to claim 1, characterized in that: A spring shock absorber (65) is fixedly installed in the middle of one side opposite to the two displacement plates (63); one end of the two spring shock absorbers (65) away from the displacement plates (63) is fixedly connected to the middle of both sides of the mounting column (61); support springs (62) are fixedly installed at both ends of one side opposite to the two displacement plates (63); one end of the four support springs (62) away from the displacement plates (63) is fixedly connected to the side directly opposite to the mounting column (61); and the top end of the mounting column (61) is fixedly connected to the second body (3).

5. The metal injection molded part with a quick-fit structure according to claim 1, characterized in that: Both sides of the top of the first main body (1) are provided with assembly holes (4), and the middle parts of the four assembly hooks (64) are respectively in contact and connected with both sides of the inner walls of the two assembly holes (4).

6. The metal injection molded part with a quick-fit structure according to claim 1, characterized in that: Positioning holes (8) are provided on both sides of the hollow positioning column (7), and the two connecting columns (52) are respectively arranged corresponding to the two positioning holes (8).

7. The metal injection molded part with a quick-engagement structure according to claim 1, characterized in that: A sealing gasket (2) is sleeved at the connection between the first body (1) and the second body (3).