Integrally-formed plastic circuit breaker base

Abstract

The utility model relates to an integrally-formed plastic circuit breaker base which comprises a base body, screw joint grooves are formed in the two ends of the base body at intervals, electric connecting pieces which transversely extend and penetrate through the screw joint grooves are contained in the screw joint grooves, and clamping structures which are vertically connected along the side walls of one sides of the screw joint grooves are arranged at the upper ends and the lower ends of the electric connecting pieces. A screwing structure is arranged at the top end of the clamping structure and rotationally connected to the base body. The clamping structure is connected to the side wall of the screwing groove in a lifting mode, the position, close to the bottom end of the screwing groove, of the clamping structure is rotationally connected to the screwing groove around the center of the screwing structure, and the vertical extending end of the clamping structure rotates around the axis of the screwing structure. The bottom end of the screwing groove is provided with a screwing hole eccentrically arranged in the screwing structure, and the bottom end of the clamping structure is arranged corresponding to the screwing hole and abuts against the electric connecting piece. The integrated circuit breaker base has the effect that the integrated circuit breaker base can be compatible with two wiring modes of the connector bar or the binding post.

Description

TECHNICAL FIELD

[0001] The application relates to the technical field, in particular to an integrally-formed plastic circuit breaker base. BACKGROUND

[0002] The plastic molded case circuit breaker can protect the circuit and power supply from damage in the case of overload, short circuit and under-voltage, and can be a switching device capable of carrying and opening the current under abnormal circuit conditions within a specified time.

[0003] The most commonly used wiring terminal of the circuit breaker is a wiring strip or a wiring column, and the existing integrally-formed plastic circuit breaker base cannot adapt to the two wiring forms, and needs to be replaced with a base to meet the corresponding wiring mode. In view of the related technology in the above, the applicant proposes an integrally-formed circuit breaker base which can adapt to the wiring strip or the wiring column. CONTENT OF THE UTILITY MODEL

[0004] In order to make the integrally-formed circuit breaker base compatible with the wiring strip or the wiring column, the application provides an integrally-formed plastic circuit breaker base.

[0005] The application provides an integrally-formed plastic circuit breaker base which adopts the following technical scheme:

[0006] An integrally-formed plastic circuit breaker base comprises a base body, screwing grooves are arranged at both ends of the base body, the screwing grooves are provided with electric connection pieces extending transversely and penetrating the electric connection pieces, vertical clamping structures along the side wall of one side of the screwing grooves are arranged at the upper and lower ends of the electric connection pieces, screwing structures are arranged at the top ends of the clamping structures, and the screwing structures are rotationally connected to the base body; the clamping structures are connected to the side wall of the screwing groove in a lifting manner, and the clamping structures are rotationally connected to the screwing groove near the bottom end of the screwing groove around the center of the screwing structure, and the vertical extension end of the clamping structure rotates around the axis of the screwing structure; a screwing hole eccentrically arranged in the screwing structure is arranged at the bottom end of the screwing groove, and the bottom end of the clamping structure is arranged corresponding to the screwing hole and abuts against the electric connection piece.

[0007] By adopting the above technical scheme, the electric connection pieces are vertically connected to the side wall of the screwing groove through the clamping structure, so that the stable installation of the electric connection pieces in the base is ensured, the screwing hole eccentrically arranged in the screwing structure is arranged at the bottom end of the screwing groove, the bottom end of the clamping structure is arranged corresponding to the screwing hole and abuts against the electric connection piece, so that the two different connection modes can be well adapted through the position transformation of the clamping structure, and mutual interference is avoided, so that the adaptation is realized.

[0008] Preferably, the clamping structure comprises a clamping support, a lifting groove and an arc-shaped groove, the clamping support is sleeved on the upper and lower ends of the electric connecting piece, and the upward end extends vertically along the side wall of one side of the screwing groove; the lifting groove is opened in the side wall of the screwing groove and extends vertically, and the vertically extending end of the clamping support is inserted and connected to the screwing groove; the arc-shaped groove is arranged in an arc shape around the screwing structure in the horizontal direction, one end is connected to the bottom end of the lifting groove, and the other end extends towards the inner side of the screwing groove, and the vertically extending end of the clamping support is inserted and rotatably connected to the arc-shaped groove.

[0009] By adopting the above technical scheme, the adjusting capability of the lifting groove enables the clamping structure to accurately adapt to the specific position of the electric connecting piece, ensuring that it is always in the best clamping state, and the arc-shaped groove makes the state switching process stable and reliable, that is, multifunctional, and also has stability.

[0010] Preferably, the screwing structure comprises a connecting screw and a clamping support, one side of the connecting screw is accommodated and rotatably connected to the base body, the connecting screw extends downward and is inserted into the inner side of the screwing groove, and the connecting screw is screwed to the top end of the clamping support; the clamping support is transversely inserted and clamped to the base body, and the clamping support is correspondingly arranged with the connecting screw, and the connecting screw is accommodated and rotatably connected to the clamping support.

[0011] By adopting the above technical scheme, the design of the clamping support makes it easier to install and disassemble the connecting screw, and the operator only needs to insert and lock the clamping support into the base body, thereby reducing the assembly arrangement of the internal screw in the integral molding process.

[0012] Preferably, the screwing structure further comprises an abutting end, and the abutting end is fixed to the bottom end of the connecting screw; when the clamping support abuts against the abutting end, the extending end of the clamping support is correspondingly arranged at the height of the arc-shaped groove.

[0013] Preferably, the electric connecting piece extends transversely on the outer side of the screwing groove, and the electric connecting piece extends vertically on the inner side of the screwing groove; the vertically extending end of the clamping support abuts against the vertically extending end of the electric connecting piece.

[0014] Preferably, the bottom end of the clamping support is provided with a butt joint hole; when the clamping support abuts against the electric connecting piece, the butt joint hole is correspondingly arranged with the screw hole.

[0015] In summary, the present application has at least one of the following beneficial technical effects:

[0016] The electric connecting piece is connected vertically to the side wall of the screwing groove through the clamping structure, ensuring stable installation of the electric connecting piece in the base, the bottom end of the screwing groove is provided with a screw hole eccentrically arranged in the screwing structure, the bottom end of the clamping structure is correspondingly arranged with the screw hole and abuts against the electric connecting piece, so that through the position transformation of the clamping structure, the two different connection modes can be well adapted, mutual interference is avoided, and adaptive connection is realized.

[0017] The adjusting capability of the lifting groove enables the clamping structure to precisely adapt to the specific position of the electric connecting sheet, ensures that it is always in the optimal clamping state, and the arc-shaped groove makes the state switching process stable and reliable, that is, multifunctionalization is achieved, and stability is also achieved.

[0018] The design of the clamping bracket makes it easier to install and dismount the connecting screw, and the operator only needs to insert the clamping bracket into the base body and lock it, thereby reducing the assembly arrangement of the internal screw in the integral molding process. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 is a structural schematic diagram of an embodiment of the present application;

[0020] Figure 2 is a structural schematic diagram of an embodiment of the present application;

[0021] Figure 3 is a schematic diagram of the present application showing that the clamping bracket is located in the arc-shaped groove;

[0022] Figure 4 is a schematic diagram of the present application showing that the clamping bracket is located in the lifting groove.

[0023] Reference signs: 1, base body; 2, screw groove; 3, electric connecting sheet; 4, clamping structure; 41, clamping bracket; 42, lifting groove; 43, arc-shaped groove; 5, screwing structure; 51, connecting screw; 52, clamping bracket; 53, abutting end; 6, screw hole; 7, butt joint hole. DETAILED DESCRIPTION

[0024] The present application will be further described in detail below with reference to the accompanying drawings.

[0025] The present application discloses an integrally molded plastic circuit breaker base, referring to Figure 1 , 2 , comprising a base body 1, screw grooves 2 are arranged at intervals at both ends of the base body 1, the screw grooves 2 are provided with a transversely extending electric connecting sheet 3, the electric connecting sheet 3 is transversely extended on the outer side of the screw groove 2, and the base body 1 is provided with a clamping structure 4 for clamping the electric wire and the electric connecting sheet 3.

[0026] Referring to Figure 3 , 4 , the clamping structure 4 comprises a clamping bracket 41, a lifting groove 42 and an arc-shaped groove 43, the clamping bracket 41 is sleeved on the upper and lower ends of the electric connecting sheet 3 and vertically extended along the side wall of one side of the screw groove 2; the lifting groove 42 is opened in the side wall of the screw groove 2 and vertically extended, and the vertically extended end of the clamping bracket 41 is connected to the screw groove 2 in a lifting manner; the clamping bracket 41 is driven to lift by a screwing structure 5.

[0027] Referring toFigure 3 、 4 , the screwing structure 5 comprises a connecting screw 51, a clamping bracket 52 and an abutting end 53, one side of the connecting screw 51 is accommodated and rotationally connected to the base body 1, the connecting screw 51 extends downward and is arranged in the screwing groove 2, and the connecting screw 51 is screwed to the top end of the clamping bracket 41; the clamping bracket 52 is transversely arranged in and clamped to the base body 1, and the clamping bracket 52 is arranged corresponding to the connecting screw 51, the connecting screw 51 is accommodated and rotationally connected to the clamping bracket 52, and the clamping bracket 52 facilitates the installation of the connecting screw 51 on the integrally formed base.

[0028] Referring to Figure 3 、 4 , the abutting end 53 is fixed to the bottom end of the connecting screw 51; when the clamping bracket 41 abuts against the abutting end 53, the extended end of the clamping bracket 41 is arranged corresponding to the height of the arc-shaped groove 43; the arc-shaped groove 43 is arranged in an arc shape around the horizontal direction of the screwing structure 5, one end of the arc-shaped groove 43 is communicated with the bottom end of the lifting groove 42, and the other end extends toward the inside of the screwing groove 2, and the vertically extended end of the clamping bracket 41 is arranged in and rotationally connected to the arc-shaped groove 43; when the extended end of the clamping bracket 41 corresponds to the arc-shaped groove 43 and the connecting screw 51 is continuously rotated, the connecting screw 51 drives the clamping bracket 41 to rotate toward the inside of the screwing groove 2.

[0029] Referring to Figure 2 、 3 , the electrically connecting sheet 3 extends vertically on the inner side of the screwing groove 2; when the clamping bracket 41 rotates toward the inside of the screwing groove 2, the vertically extended end of the clamping bracket 41 abuts against the vertically extended end of the electrically connecting sheet 3; the bottom end of the screwing groove 2 is provided with a screwing hole 6 arranged eccentrically to the screwing structure 5; the bottom end of the clamping bracket 41 is provided with a butt joint hole 7; when the clamping bracket 41 abuts against the electrically connecting sheet 3, the butt joint hole 7 is arranged corresponding to the screwing hole 6, and the eccentric arrangement makes the butt joint hole 7 deviate from the center of the electrically connecting sheet 3 when the clamping bracket 41 is in the lifting groove 42, and does not affect the clamping of the clamping bracket 41 between the electrically connecting sheets 3.

[0030] The working process of the present application is as follows: when the clamping bracket 41 slides in the lifting groove 42, the clamping bracket 41 is driven to move upward by rotating the connecting screw 51, the bottom end of the clamping bracket 41 clamps the electric wire together with the electrically connecting sheet 3, and the electric circuit is connected in the form of a terminal post.

[0031] When the connecting screw 51 is reversely rotated, the clamping bracket 41 is lowered to the arc-shaped groove 43, the connecting screw 51 is continuously rotated, the clamping bracket 41 is rotated to the inside of the screwing groove 2 along with the connecting screw 51, and the clamping bracket 41 is driven to abut against the vertically extended end of the electrically connecting sheet 3 by the limiting of the abutting end 53, so that the clamping bracket 41 forms a passage with the electrically connecting sheet 3; the wiring row is arranged in the screwing hole 6 and the butt joint hole 7, and is connected to each other in the wiring row, so as to realize the electrical connection.

[0032] The above are all preferred embodiments of the present application, and do not limit the protection scope of the present application, so that: all equivalent changes made according to the structure, shape, principle of the present application should be covered within the protection scope of the present application.

Claims

1. An integrally moulded plastics circuit breaker base comprising a base body (1) characterised in that: The base body (1) is arranged with screw grooves (2) at both ends, the screw grooves (2) are arranged with electric connection pieces (3) extending transversely and penetrating, the electric connection pieces (3) are provided with clamping structures (4) vertically connected along the side wall of the screw grooves (2) at both ends, the clamping structures (4) are provided with screwing structures (5) at the top ends, the screwing structures (5) are rotationally connected to the base body (1); the clamping structures (4) are connected to the side wall of the screw grooves (2) in a lifting manner, and the clamping structures (4) are rotationally connected to the screw grooves (2) near the bottom end of the screw grooves (2) around the center of the screwing structures (5), and the vertically extending end of the clamping structures (4) rotates around the axis of the screwing structures (5); the bottom end of the screw grooves (2) is provided with a screw hole (6) eccentrically arranged in the screwing structure (5), and the bottom end of the clamping structure (4) is arranged corresponding to the screw hole (6) and abuts against the electric connection piece (3).

2. The integrally formed plastic circuit breaker base of claim 1, wherein: The clamping structure (4) comprises a clamping bracket (41), a lifting groove (42) and an arc-shaped groove (43), the clamping bracket (41) is sleeved on the electric connection piece (3) at both ends and vertically extends along the side wall of the screw groove (2) at the upward end; the lifting groove (42) is arranged on the side wall of the screw groove (2) and vertically extends, and the vertically extending end of the clamping bracket (41) penetrates and is connected to the screw groove (2) in a lifting manner; the arc-shaped groove (43) is arranged in an arc shape horizontally around the screwing structure (5), one end of the arc-shaped groove (43) is connected to the bottom end of the lifting groove (42), and the other end extends towards the inner side of the screw groove (2), and the vertically extending end of the clamping bracket (41) penetrates and is rotationally connected to the arc-shaped groove (43).

3. A one-piece plastic circuit breaker housing as defined in claim 2, wherein: The screwing structure (5) comprises a connecting screw (51) and a clamping bracket (52), one side of the connecting screw (51) is arranged and rotationally connected to the base body (1), the connecting screw (51) extends downward and penetrates into the inner side of the screw groove (2), and the connecting screw (51) is screwed to the top end of the clamping bracket (41); the clamping bracket (52) penetrates transversely and is clamped to the base body (1), and the clamping bracket (52) is arranged corresponding to the connecting screw (51), and the connecting screw (51) is arranged and rotationally connected to the clamping bracket (52).

4. The integrally formed plastic circuit breaker base of claim 3, wherein: The screwing structure (5) further comprises an abutting end (53), the abutting end (53) is fixed to the bottom end of the connecting screw (51); when the clamping bracket (41) abuts against the abutting end (53), the extending end of the clamping bracket (41) is arranged corresponding to the height of the arc-shaped groove (43).

5. The integrally formed plastic circuit breaker base of claim 2 wherein: The electric connection piece (3) extends transversely on the outer side of the screw groove (2), and the electric connection piece (3) extends vertically on the inner side of the screw groove (2); the vertically extending end of the clamping bracket (41) abuts against the vertically extending end of the electric connection piece (3).

6. A one-piece plastic circuit breaker base according to claim 5, wherein: The bottom end of the clamping bracket (41) is provided with a butt joint hole (7); when the clamping bracket (41) abuts against the electric connection piece (3), the butt joint hole (7) is arranged corresponding to the screw hole (6).

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