Plug-in circuit breaker base

Abstract

The utility model relates to a plug-in circuit breaker base, which comprises a shell, a sinking platform is arranged in the shell, an upper wiring cavity, a lower wiring cavity and a fixing cavity are arranged on the sinking platform, and wiring holes communicated with the outside are arranged at the bottoms of the upper wiring cavity and the lower wiring cavity. A fixing opening communicated with the outside is formed in the bottom of the fixing cavity; the connecting plate is provided with two groups of jacks for pins of the plug-in circuit breaker to pass through, and the bottom of the connecting plate is provided with a fixing piece; wherein the connecting plate is arranged on the upper surface of the sinking platform, the jacks are correspondingly arranged above the upper wiring cavity and the lower wiring cavity, and the connecting plate is fixedly connected with the shell through the fixing piece. The circuit breaker base has the beneficial effects that the connecting plate is integrally arranged in the shell, so that the number of parts of the circuit breaker base is effectively reduced, and the circuit breaker base is convenient and efficient in production.

Description

Technical Field

[0001] The utility model relates to the technical field of circuit breakers, and particularly relates to an insertion type circuit breaker base. Background Art

[0002] An insertion type circuit breaker includes a circuit breaker main body and a circuit breaker base. Two pins are provided at the lower end of the circuit breaker main body for inserting into the circuit breaker base for electrical connection. The circuit breaker base is mainly a terminal part, which includes a housing and a connecting plate for the pins to pass through and connect. Currently, there are two connecting plates corresponding to the pins and they are installed in the housing in a split manner. Therefore, the circuit breaker base has more components and the production and assembly are more troublesome. Content of the Utility Model

[0003] Aiming at the deficiencies of the prior art, the purpose of the utility model is to provide an insertion type circuit breaker base to solve the above problems.

[0004] The technical solution of the utility model is realized as follows: An insertion type circuit breaker base includes:

[0005] A housing, in which a sunken platform is provided. An upper wiring cavity, a lower wiring cavity and a fixing cavity are opened on the sunken platform. Wiring openings communicating with the outside are opened at the bottoms of the upper wiring cavity and the lower wiring cavity, and a fixing opening communicating with the outside is opened at the bottom of the fixing cavity;

[0006] A connecting plate, on which two groups of jacks for the pins of the insertion type circuit breaker to pass through are opened, and a fixing member is provided at the bottom of the connecting plate;

[0007] Among them, the connecting plate is arranged on the upper surface of the sunken platform, the jacks are correspondingly arranged above the upper wiring cavity and the lower wiring cavity, the connecting plate is fixedly connected with the housing through the fixing member, and wiring terminals connected with the pins are arranged in the upper wiring cavity and the lower wiring cavity through the wiring openings.

[0008] By adopting the above technical solution, the pins of the insertion type circuit breaker pass through the jacks and extend into the upper wiring cavity and the lower wiring cavity to be electrically connected with the wiring terminals. At the same time, the lower side of the insertion type circuit breaker abuts against the connecting plate. The connecting plate is integrally arranged in the housing, effectively reducing the number of components of the circuit breaker base, making the production of the circuit breaker base more convenient and efficient. At the same time, the integral connecting plate effectively improves the supporting effect on the insertion type circuit breaker and makes it stronger.

[0009] The utility model is further arranged as follows: An opening is opened on the connecting plate, the fixing member is arranged below the opening, a through hole for a bolt to pass through and be installed is opened in the middle of the fixing member, the fixing member extends into the fixing cavity, and the through hole is coaxially arranged with the fixing opening.

[0010] By adopting the above technical solution, the bolt is fixed by passing through the through hole and the fixing opening through the opening, which can not only effectively fix the connecting plate in the housing, but also effectively fix the housing in external equipment such as distribution boxes, and the operation is very convenient and efficient.

[0011] The present utility model is further configured as follows: the outer wall of the lower end of the fixing member is cylindrical, a slot for the corresponding insertion of the lower end of the fixing member is provided by sinking the bottom of the fixing cavity, and the fixing opening is provided at the bottom of the slot. When the connecting plate is installed on the upper surface of the sunken platform, the lower end of the fixing member is inserted into the slot.

[0012] By adopting the above technical solution, the insertion of the lower end of the fixing member into the slot can effectively improve the connection stability between the connecting plate and the housing, and make the supporting effect on the circuit breaker better.

[0013] The present utility model is further configured as follows: a flange is provided on the outer wall of the upper end of the fixing member protruding outward, and a supporting boss is provided by protruding the slot upward. When the connecting plate is installed on the upper surface of the sunken platform, the lower side of the flange abuts against the upper surface of the supporting boss.

[0014] By adopting the above technical solution, the supporting boss can effectively support the flange, thereby supporting the fixing member, and effectively improving the supporting effect on the connecting plate, making the connection more stable and firm.

[0015] The present utility model is further configured as follows: the upper side of the fixing member is fixedly connected to the lower surface of the connecting plate through a plurality of connecting columns.

[0016] By adopting the above technical solution, the connection strength between the fixing member and the connecting plate can be effectively improved.

[0017] The present utility model is further configured as follows: a convex block is provided protruding from the lower side edge of the connecting plate, and a groove corresponding to the convex block is provided on the sunken platform.

[0018] By adopting the above technical solution, when the connecting plate is placed on the sunken platform, through the cooperation of the convex block and the groove, the connecting plate is not easy to move on the sunken platform, making the connection more firm.

[0019] The present utility model is further configured as follows: the fixing cavity is provided between the upper wiring cavity and the lower wiring cavity.

[0020] By adopting the above technical solution, the connection between the connecting plate and the housing is made more stable, and the base is made more stable after installation.

[0021] The present utility model is further configured as follows: the connecting plate and the fixing member are integrally formed.

[0022] By adopting the above technical solution, the connection strength is effectively improved and the service life is extended. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings required in the description of the embodiments or the prior art. Obviously, the drawings in the following description are only some embodiments of the present invention. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative efforts.

[0024] Figure 1 is a schematic structural diagram of the present invention;

[0025] Figure 2 is a schematic structural diagram of the housing in the present invention;

[0026] Figure 3 is a schematic structural diagram of the connecting plate in the present invention;

[0027] Figure 4 is a sectional view of the structure of the present invention;

[0028] Figure 5 is an exploded sectional view of the structure of the present invention. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0029] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only some embodiments of the present invention, rather than all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0030] As Figures 1 - 5 shown, the present invention discloses an insertion type circuit breaker base, including,

[0031] a housing 1, a sunken platform 10 is provided inside the housing 1, an upper wiring cavity 11, a lower wiring cavity 12 and a fixing cavity 13 are opened on the sunken platform 10, wiring openings 14 communicating with the outside are opened at the bottoms of the upper wiring cavity 11 and the lower wiring cavity 12, and a fixing opening 15 communicating with the outside is opened at the bottom of the fixing cavity 13;

[0032] a connecting plate 2, two groups of jacks 20 for the pins of the insertion type circuit breaker to pass through are opened on the connecting plate 2, and a fixing member 21 is provided at the bottom of the connecting plate 2;

[0033] Among them, the connecting plate 2 is arranged on the upper surface of the sinking platform 10, the jack 20 is correspondingly arranged above the upper wiring cavity 11 and the lower wiring cavity 12, the connecting plate 2 is fixedly connected with the outer shell 1 through a fixing member 21, and wiring terminals connected to the pins are arranged in the upper wiring cavity 11 and the lower wiring cavity 12 through wiring openings 14.

[0034] By adopting the above technical solution, the pins of the plug-in circuit breaker pass through the jacks 20 and extend into the upper wiring cavity 11 and the lower wiring cavity 12 to be electrically connected with the wiring terminals. At the same time, the lower side of the plug-in circuit breaker abuts against the connecting plate 2. The connecting plate 2 is integrally arranged in the outer shell 1, effectively reducing the number of parts of the circuit breaker base, making the production of the circuit breaker base feel convenient and efficient. At the same time, the integral connecting plate 2 effectively improves the supporting effect on the plug-in circuit breaker, making it stronger.

[0035] In the embodiment of the present utility model, an opening 22 is formed in the connecting plate 2, the fixing member 21 is arranged below the opening 22, a through hole 210 for the bolt to pass through and be installed is formed in the middle of the fixing member 21, the fixing member 21 extends into the fixing cavity 13, and the through hole 210 is coaxially arranged with the fixing opening 15.

[0036] By adopting the above technical solution, the bolt passes through the through hole 210 and the fixing opening 15 through the opening 22 for fixing, which can not only effectively fix the connecting plate 2 in the outer shell 1, but also effectively fix the outer shell 1 in external equipment such as distribution boxes, and the operation is very convenient and efficient.

[0037] In the embodiment of the present utility model, the outer wall of the lower end of the fixing member 21 is cylindrical, a slot 130 for the lower end of the fixing member 21 to be correspondingly inserted is sunken at the bottom of the fixing cavity 13, the fixing opening 15 is arranged at the bottom of the slot 130, and when the connecting plate 2 is installed on the upper surface of the sinking platform 10, the lower end of the fixing member 21 is inserted into the slot 130.

[0038] By adopting the above technical solution, the lower end of the fixing member 21 is inserted into the slot 130, which can effectively improve the connection stability between the connecting plate 2 and the outer shell 1, and make the supporting effect on the circuit breaker better.

[0039] In the embodiment of the present utility model, a flange 211 is convexly arranged on the outer wall of the upper end of the fixing member 21 towards the outside, a supporting boss 131 is convexly arranged on the upper part of the slot 130 extending upwards, and when the connecting plate 2 is installed on the upper surface of the sinking platform 10, the lower side of the flange 211 abuts against the upper surface of the supporting boss 131.

[0040] By adopting the above technical solution, the supporting boss 131 can effectively support the flange 211, thereby supporting the fixing member 21, effectively improving the supporting effect on the connecting plate 2, and making its connection more stable and firm.

[0041] In the embodiment of the present utility model, the upper side of the fixing member 21 is fixedly connected to the lower surface of the connecting plate 2 through a plurality of connecting columns 212.

[0042] By adopting the above technical solution, the connection strength between the fixing member 21 and the connecting plate 2 can be effectively improved.

[0043] In the embodiment of the present utility model, a convex block 23 is convexly provided at the lower side edge of the connecting plate 2, and a groove 100 corresponding to the convex block 23 is formed on the sunken platform 10.

[0044] By adopting the above technical solution, when the connecting plate 2 is placed on the sunken platform 10, the connecting plate 2 is not easily displaced on the sunken platform 10 through the cooperation of the convex block 23 and the groove 100, making its connection more firm.

[0045] In the embodiment of the present utility model, the fixed cavity 13 is arranged between the upper wiring cavity 11 and the lower wiring cavity 12.

[0046] By adopting the above technical solution, the connection between the connecting plate 2 and the housing 1 is made more stable, and the base is made more stable after installation.

[0047] In the embodiment of the present utility model, the connecting plate 2 and the fixing member 21 are integrally formed.

[0048] By adopting the above technical solution, the connection strength is effectively improved, and the service life is prolonged.

[0049] The above are only the preferred embodiments of the present utility model and are not intended to limit the present utility model. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present utility model shall be included in the protection scope of the present utility model.

Claims

1. An insertion type circuit breaker base, characterized in that, Including, A housing (1), within which there is a sunken platform (10). An upper wiring cavity (11), a lower wiring cavity (12) and a fixing cavity (13) are formed on the sunken platform (10). Wiring openings (14) communicating with the outside are formed at the bottoms of the upper wiring cavity (11) and the lower wiring cavity (12), and a fixing opening (15) communicating with the outside is formed at the bottom of the fixing cavity (13); A connecting plate (2), on which there are two sets of jacks (20) for the pins of the plug-in circuit breaker to pass through. A fixing member (21) is provided at the bottom of the connecting plate (2); Wherein, the connecting plate (2) is arranged on the upper surface of the sunken platform (10), the jacks (20) are correspondingly arranged above the upper wiring cavity (11) and the lower wiring cavity (12), the connecting plate (2) is fixedly connected to the housing (1) through the fixing member (21), and wiring terminals connected to the pins are arranged in the upper wiring cavity (11) and the lower wiring cavity (12) through the wiring openings (14).

2. The plug-in circuit breaker base according to claim 1, characterized in that, An opening (22) is formed on the connecting plate (2), the fixing member (21) is arranged below the opening (22), a through hole (210) for a bolt to pass through for installation is formed in the middle of the fixing member (21), the fixing member (21) extends into the fixing cavity (13), and the through hole (210) and the fixing opening (15) are coaxially arranged.

3. The plug-in circuit breaker base according to claim 1, characterized in that, The outer wall of the lower end of the fixing member (21) is cylindrically arranged, and a slot (130) for the lower end of the fixing member (21) to be correspondingly inserted is sunken at the bottom of the fixing cavity (13). The fixing opening (15) is arranged at the bottom of the slot (130). When the connecting plate (2) is installed on the upper surface of the sunken platform (10), the lower end of the fixing member (21) is inserted into the slot (130).

4. The plug-in circuit breaker base according to claim 3, characterized in that, A flange (211) is convexly provided on the outer wall of the upper end of the fixing member (21) towards the outside, and a supporting boss (131) is convexly provided by the upward extension of the slot (130). When the connecting plate (2) is installed on the upper surface of the sunken platform (10), the lower side of the flange (211) abuts against the upper surface of the supporting boss (131).

5. An insertable circuit breaker base according to claim 1, characterized in that, The upper side of the fixing member (21) is fixedly connected to the lower surface of the connecting plate (2) through a plurality of connecting columns (212).

6. The plug-in circuit breaker base according to claim 1, characterized in that A convex block (23) is convexly provided on the lower side edge of the connecting plate (2), and a groove (100) corresponding to the convex block (23) is formed on the sunken platform (10).

7. An insertion type circuit breaker base according to claim 1, characterized in that, The fixing cavity (13) is arranged between the upper wiring cavity (11) and the lower wiring cavity (12).

8. An insertion type circuit breaker base according to claim 1, characterized in that, The connecting plate (2) and the fixing member (21) are integrally formed.

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