Wiring terminal shell hung on side surface of molded case circuit breaker
By setting an installation cavity on the molded case circuit breaker housing and designing the terminals as terminal modules, the problem of low terminal installation efficiency is solved, enabling efficient installation of multiple terminals and improving production efficiency.
Patent Information
- Application Number
- CN202520042382.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-08
- Publication Date
- 2026-01-16
- Estimated Expiration
- 2035-01-08
AI Technical Summary
In the current production process of molded case circuit breakers, the installation efficiency of the wiring terminals is low, which seriously affects production efficiency.
Design a terminal housing that hangs on the side of a molded case circuit breaker. By setting an installation cavity on the housing body and designing multiple terminals as terminal modules, they can be directly installed in the installation cavity, realizing the installation of multiple terminals in one step.
It improves the efficiency of terminal block installation, reduces workload, and enhances enterprise production efficiency.
Smart Images

Figure CN223809093U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of molded case circuit breaker, more particularly, it relates to a wiring terminal shell hung on the side of molded case circuit breaker. BACKGROUND
[0002] The molded case circuit breaker can automatically cut off the current when the current exceeds the trip setting. In the prior art, the molded case circuit breaker is increased with accessories in the process of production to expand more functions of the circuit breaker, and the wiring terminal hung on the side of the circuit breaker becomes a conversion point for connecting external control signals and internal accessories of the circuit breaker. In the assembly of the wiring terminal, the wiring terminal needs to be installed one by one on the shell, and the installation efficiency is very low. Moreover, each molded case circuit breaker is provided with a plurality of wiring openings for installing the wiring terminal, and each wiring opening needs to be manually installed with the wiring terminal one by one, so that the production efficiency is very low, which seriously restricts the production efficiency of the enterprise. SUMMARY
[0003] The utility model overcomes the problem of low installation efficiency of the wiring terminal when installed on the molded case circuit breaker shell in the prior art, and provides a wiring terminal shell hung on the side of the molded case circuit breaker. A total installation cavity is arranged on a plurality of wiring openings corresponding to the molded case circuit breaker shell, a plurality of wiring terminals are designed into a terminal module, the terminal module is directly installed in the installation cavity, one-step installation of a plurality of wiring terminals is realized, and the production efficiency is improved.
[0004] In order to solve the above technical problems, the utility model adopts the following technical scheme: a wiring terminal shell hung on the side of the molded case circuit breaker, comprising a shell body and a terminal module; a mounting cavity is arranged on the back of the shell body, and a plurality of wiring openings are arranged on the side wall of the mounting cavity; a plurality of wiring terminals are arranged on the terminal module; the terminal module is detachably arranged in the mounting cavity, and the plurality of wiring terminals are matched with the plurality of wiring openings.
[0005] In the utility model, a plurality of wiring terminals are designed into a terminal module, the terminal module is directly installed in the installation cavity, and the installation process is very convenient. The trouble of installing the wiring terminal one by one in the wiring opening is saved, one-step installation of a plurality of wiring terminals is realized, the work load is effectively reduced, and the production efficiency of the enterprise is improved.
[0006] As a preferred, the wiring module is in interference fit with the mounting cavity.
[0007] As a preferred, the top of the mounting cavity is provided with a plurality of sliding grooves, and the top of the terminal module is provided with a plurality of sliding strips matched with the sliding grooves.
[0008] As a preferred, the cross section of the sliding groove is T-shaped, and the cross section of the sliding strip is also T-shaped.
[0009] As preferred, the side walls on both sides of the installation cavity are provided with positioning holes, and the terminal module is provided with elastic pins matched with the positioning holes on both sides.
[0010] As preferred, the positioning holes are spherical holes, and the end of the elastic pin is a spherical head matched with the positioning hole.
[0011] As preferred, the back of the shell body is provided with a back cover matched therewith.
[0012] As preferred, the two sides of the shell body are provided with clamping holes, and the two sides of the back cover are provided with buckles matched with the clamping holes.
[0013] Compared with the prior art, the utility model has the beneficial effects that: the plurality of wiring terminals are designed into a terminal module, the terminal module is directly installed in the installation cavity, the installation process is very convenient, the trouble of installing the wiring terminals one by one in the wiring opening is saved, a plurality of wiring terminals are installed in one step, thereby the work load can be effectively reduced, and the production efficiency of the enterprise is improved. BRIEF DESCRIPTION OF DRAWINGS
[0014] Figure 1 is the explosion drawing of the utility model.
[0015] Figure 2 is the three-dimensional structure drawing of the utility model.
[0016] Figure 3 is the structure schematic view in the embodiment 2 of the utility model.
[0017] Figure 4 is the top view in the embodiment 3 of the utility model.
[0018] Figure 5 is Figure 4 the sectional view in A-A direction.
[0019] In the drawing: 1, shell body, 11, installation cavity, 111, sliding groove, 112, positioning hole, 12, wiring opening, 13, clamping hole;
[0020] 2, terminal module, 21, wiring terminal, 22, sliding bar, 23, pin hole;
[0021] 3, back cover, 31, buckle;
[0022] 4, elastic pin, 41, spring. DETAILED DESCRIPTION
[0023] The technical scheme of the utility model will be further specifically described below by specific embodiments and in combination with the drawings:
[0024] Embodiment 1: refer toFigures 1 to 5 As shown in the figure, a wiring terminal shell hung on the side of a plastic shell circuit breaker comprises a shell body 1 and a terminal module 2; the back of the shell body 1 is provided with a mounting cavity 11, the mounting cavity 11 is provided with a mounting opening, and a plurality of wiring openings 12 are arranged on the side wall of the mounting cavity 11; the terminal module 2 is provided with a plurality of wiring terminals 21; the terminal module 2 is detachably arranged in the mounting cavity 11, and the plurality of wiring terminals 21 are matched with the plurality of wiring openings 12.
[0025] In this embodiment, the mounting cavities 11 are arranged on both sides of the shell body 1 in the width direction, three wiring openings 12 are arranged on the mounting cavity 11 on the right side, and therefore the terminal module 2 matched with the mounting cavity 11 on the right side is formed by three wiring terminals 21. Similarly, the terminal module 2 matched with the mounting cavity 11 on the left side is formed by two wiring terminals 21. Of course, the wiring openings 12 can also be arranged in the number of 4, 5, 6, 7, etc., and correspondingly, the terminal module 2 is arranged to be composed of the corresponding number of wiring terminals 21.
[0026] In one of the embodiments, the terminal module 2 is in interference fit with the mounting cavity 11. By means of interference fit, the terminal module 2 can directly enter the mounting cavity 11 from the mounting opening, and the terminal module 2 is clamped in the mounting cavity 11, having the characteristic of convenient installation.
[0027] The back of the shell body 1 is provided with a back cover 3 matched therewith. The two sides of the shell body 1 are provided with a bayonet 13, and the two sides of the back cover 3 are provided with a buckle 31 matched with the bayonet 13. The back cover 3 is fixedly connected with the shell body 1 by means of the buckle 31, having the characteristic of convenient disassembly and assembly.
[0028] In this embodiment, the plurality of wiring terminals 21 are designed into the terminal module 2, the terminal module 2 is directly installed in the mounting cavity 11, and the installation process is very convenient, which saves the trouble of installing the wiring terminals 21 one by one in the wiring openings 12, realizes one-step installation of a plurality of wiring terminals 21, and thus can effectively reduce the workload and improve the production efficiency of the enterprise.
[0029] Embodiment 2: Refer to Figures 1 to 5 As shown in the figure, a wiring terminal shell hung on the side of a plastic shell circuit breaker comprises a shell body 1 and a terminal module 2; the back of the shell body 1 is provided with a mounting cavity 11, the mounting cavity 11 is provided with a mounting opening, and a plurality of wiring openings 12 are arranged on the side wall of the mounting cavity 11; the terminal module 2 is provided with a plurality of wiring terminals 21; the terminal module 2 is detachably arranged in the mounting cavity 11, and the plurality of wiring terminals 21 are matched with the plurality of wiring openings 12.
[0030] The mounting cavity 11 is arranged on both sides of the shell body 1 in the width direction, three wire connection openings 12 are arranged on the right mounting cavity 11, and thus the terminal module 2 matched with the right mounting cavity 11 is formed by three wire terminals 21. Similarly, the terminal module 2 matched with the left mounting cavity 11 is formed by two wire terminals 21. Of course, the wire connection openings 12 can also be arranged in the number of 4, 5, 6, 7, etc., and correspondingly, the terminal module 2 is arranged in the number of 4, 5, 6, 7, etc.
[0031] The back cover 3 matched with the shell body 1 is arranged on the back of the shell body 1. The bayonet 13 is arranged on both sides of the shell body 1, and the buckle 31 matched with the bayonet 13 is arranged on both sides of the back cover 3. The back cover 3 is fixedly connected with the shell body 1 through the buckle 31, and has the characteristics of convenient disassembly and assembly.
[0032] Referring to Figure 3 The difference between the embodiment and the embodiment 1 is that the top of the mounting cavity 11 is provided with a plurality of sliding grooves 111, and the top of the terminal module 2 is provided with a plurality of sliding strips 22 matched with the sliding grooves 111. One sliding strip 22 is arranged between every two adjacent wire terminals 21. For example, three wire terminals 21 are arranged in the embodiment, and thus two sliding strips 22 are arranged on the three wire terminals 21.
[0033] In one embodiment, in order to improve the fastening of the sliding groove 111 and the sliding strip 22, the cross section of the sliding groove 111 is T-shaped, and the cross section of the sliding strip 22 is also T-shaped.
[0034] Through the matching of the sliding strip 22 and the sliding groove 111, the terminal module 2 can be quickly and conveniently installed in the mounting cavity 11, thereby improving the production efficiency and enabling the terminal module 2 to be more stably arranged in the mounting cavity 11.
[0035] In the embodiment, the plurality of wire terminals 21 are designed as the terminal module 2, the terminal module 2 is directly installed in the mounting cavity 11, and the installation process is very convenient, which saves the trouble of installing the wire terminals 21 in the wire connection openings 12 one by one, realizes one-step installation of a plurality of wire terminals 21, thereby effectively reducing the workload and improving the production efficiency of the enterprise.
[0036] Embodiment 3: referring to Figures 1 to 5As shown in the figure, a wiring terminal shell hung on the side of a plastic shell circuit breaker includes a shell body 1 and a terminal module 2; the back of the shell body 1 is provided with a mounting cavity 11, and the mounting cavity 11 is provided with a mounting opening; a plurality of wiring openings 12 are arranged on the side wall of the mounting cavity 11; a plurality of terminal modules 2 are arranged on the terminal module 2; the terminal module 2 is detachably arranged in the mounting cavity 11, and the plurality of terminal modules 21 are matched with the plurality of wiring openings 12.
[0037] In this embodiment, the mounting cavities 11 are arranged on both sides of the shell body 1 in the width direction, and three wiring openings 12 are arranged on the right mounting cavity 11, so that the terminal module 2 matched with the right mounting cavity 11 is formed by three terminal modules 21. Similarly, the terminal module 2 matched with the left mounting cavity 11 is formed by two terminal modules 21. Of course, the wiring openings 12 can also be arranged in numbers of 4, 5, 6, 7, etc., and the terminal module 2 is arranged to correspond to the terminal module 21 in numbers of 4, 5, 6, 7, etc.
[0038] The back of the shell body 1 is provided with a back cover 3 matched therewith. The two sides of the shell body 1 are provided with a bayonet 13, and the two sides of the back cover 3 are provided with a buckle 31 matched with the bayonet 13. The back cover 3 is fixedly connected with the shell body 1 by the buckle 31, and has the characteristics of convenient disassembly and assembly.
[0039] Referring to Figures 4 to 5 As shown in the figure, the structure of this embodiment is similar to that of embodiment 1, and the difference lies in that the side walls on both sides of the mounting cavity 11 are provided with positioning holes 112, and the two sides of the terminal module 2 are provided with telescopic pins 4 matched with the positioning holes 112. The two sides of the terminal module 2 are provided with pin holes 23, and the telescopic pins 4 are slidingly arranged in the pin holes 23. A spring 41 is arranged in the pin hole 23, and the spring 41 pushes the telescopic pin 4 to move towards the opening direction of the pin hole 23.
[0040] In this embodiment, the telescopic pin 4 is matched with the positioning hole 112 to realize quick installation of the terminal module 2. Further, the convenience of installation of the terminal module 2 is improved, and the installation efficiency of the terminal module 2 is improved.
[0041] In one embodiment, the positioning hole 112 is a spherical hole, and the telescopic pin 4 is a spherical head matched with the positioning hole 112. Through the cooperation of the spherical head and the spherical hole, when the terminal module 2 is installed in the mounting cavity 11, the positioning hole 112 will not directly lock the telescopic pin 4. When the terminal module 2 needs to be replaced, the terminal module 2 can be directly taken out of the mounting cavity 11.
[0042] In the embodiment, the plurality of terminal clamps 21 are designed as the terminal module 2, the terminal module 2 is directly installed in the installation cavity 11, and the installation process is very convenient, the trouble of installing the terminal clamps 21 in the clamping openings 12 one by one is saved, a plurality of terminal clamps 21 are installed in one step, and thus the work load can be effectively reduced, and the production efficiency of the enterprise is improved.
[0043] The above-described embodiments are only the preferred schemes of the present application, and do not limit the present application in any form, and other variants and modifications are still possible without exceeding the technical schemes recited in the claims.
Claims
1. A terminal housing that hangs on the side of a molded case circuit breaker, characterized in that, The shell body is provided with a mounting cavity on the back surface, and a plurality of wiring openings are arranged on the side wall of the mounting cavity; the terminal module is provided with a plurality of wiring terminals; the terminal module is detachably arranged in the mounting cavity, and the plurality of wiring terminals are matched with the plurality of wiring openings.
2. The terminal cover for a molded case circuit breaker according to claim 1, wherein The wiring module is in interference fit with the mounting cavity.
3. The terminal cover for a molded case circuit breaker according to claim 1 or 2, wherein The top of the mounting cavity is provided with a plurality of sliding grooves, and the top of the terminal module is provided with a plurality of sliding strips matched with the sliding grooves.
4. The terminal housing for mounting on the side of a molded case circuit breaker of claim 3 wherein, The cross section of the sliding groove is T-shaped, and the cross section of the sliding strip is also T-shaped.
5. The terminal cover for a molded case circuit breaker according to claim 1 or 2, wherein The side walls on both sides of the mounting cavity are provided with positioning holes, and the terminal module is provided with retractable pins matched with the positioning holes.
6. The terminal cover for a molded case circuit breaker according to claim 5, wherein The positioning hole is a spherical hole, and the end of the retractable pin is a spherical head matched with the positioning hole.
7. The terminal cover for a molded case circuit breaker according to claim 1 or 2, wherein The back surface of the shell body is provided with a back cover matched therewith.
8. The terminal cover for a molded case circuit breaker according to claim 7, wherein, The two sides of the shell body are provided with clamping openings, and the two sides of the back cover are provided with buckles matched with the clamping openings.