CN219267565U

CN219267565U - Circuit breaker plastic case convenient to equipment

Info

Publication number: CN219267565U
Application number: CN202223498326.0U
Authority: CN
Inventors: 尚济铭; 蔡金明; 陈孔丰
Original assignee: Yueqing Jinchi Electric Appliance Co ltd
Current assignee: Yueqing Jinchi Electric Appliance Co ltd
Priority date: 2022-12-27
Filing date: 2022-12-27
Publication date: 2023-06-27
Anticipated expiration: 2032-12-27

Abstract

The application relates to the technical field of circuit breakers, especially, relate to a circuit breaker plastic case convenient to equipment, it includes the base and the apron of being connected with the base, the base both sides all are provided with the fixed block, the connecting hole has been seted up to the fixed block, the apron both sides all are provided with the fixed plate that can block into the connecting hole, the mounting groove has been seted up to the one end that the apron was kept away from to the fixed plate, the mounting has been placed in the mounting groove, the one end butt of apron can be kept away from with the fixed block to the mounting. The fixing effect of the molded case circuit breaker can be enhanced.

Description

Circuit breaker plastic case convenient to equipment

Technical Field

The application relates to the technical field of circuit breakers, in particular to a circuit breaker plastic shell convenient to assemble.

Background

Plastic housing refers to the use of plastic insulators as the housing of the device to isolate the conductors from each other and from the grounded metal parts. The plastic shell of the plastic shell circuit breaker consists of an upper shell and a lower shell, and the upper shell and the lower shell are connected through screws.

The Chinese patent with the bulletin number of CN205177730U discloses a novel shell structure of a plastic shell circuit breaker, which comprises a shell cover, a shell body and a plurality of pairs of fixing components used for connecting the shell cover and the shell body, wherein the fixing components comprise a fixing seat arranged on the shell cover, a clamping piece and a fixing lug arranged on the shell body, the fixing seat is hinged with the shell cover, the clamping piece comprises a connecting handle and a clamping part, one end of the connecting handle is connected with the clamping part, the other end of the connecting handle is hinged with the fixing seat, and the connecting handle is folded around the fixing seat to enable the clamping part to be clamped with the fixing lug. When the molded case circuit breaker is required to be assembled, maintained or detected, the clamping part on the clamping piece and the fixing lug on the shell are clamped mutually, so that the assembly and the disassembly are convenient.

For the related art, the clamping part is clamped with the fixing lug only through the clamping part, and the clamping part is C-shaped, so that the contact area between the clamping part and the fixing lug is small, and when a person touches or shakes by mistake, the clamping part is easily separated from the fixing lug, so that the shell cover is separated from the shell. Therefore, there is a problem that the fixing effect is insufficient.

Disclosure of Invention

In order to enhance the fixing effect of the circuit breaker plastic shell, the application provides a circuit breaker plastic shell convenient to assemble, and adopts the following technical scheme:

the utility model provides a circuit breaker plastic case convenient to equipment, includes the base and the apron of being connected with the base, the base both sides all are provided with the fixed block, the connecting hole has been seted up to the fixed block, the apron both sides all are provided with the fixed plate that can block into the connecting hole, the mounting groove has been seted up to the one end that the apron was kept away from to the fixed plate, the mounting has been placed in the mounting groove, the one end butt of apron can be kept away from with the fixed block to the mounting.

Through adopting above-mentioned technical scheme, during the equipment, aim at the base with the apron and push for in the fixed plate card goes into the connecting hole, the one end butt that the fixed part made fixed part and fixed block keep away from the apron can again be operated. The mounting butt is kept away from the one end of apron in the fixed block, can prevent effectively that the fixed plate from breaking away from the connecting hole, and then can avoid base and apron to touch by mistake or take place to separate each other when the condition such as vibrations take place, ensures fixed effect.

When dismantling, the operation mounting makes the mounting be located the mounting groove, can separate fixed plate and fixed block, and then makes base and apron separation, easy dismounting.

Optionally, the mounting includes fixed connection's sliding plate, connecting block and sliding block in proper order, connecting block fixed connection keeps away from the one end of mounting groove notch in the sliding plate, the mounting groove intercommunication has the gliding sliding tray of confession connecting block and sliding block.

By adopting the technical scheme, after the fixed plate is clamped into the connecting hole, the sliding block is pushed in the direction away from the bottom of the mounting groove to drive the connecting block and the sliding plate to slide, so that the sliding plate is abutted with one end, away from the cover plate, of the fixed block to form fixation; when the sliding block needs to be disassembled, the sliding block is pushed to the direction close to the bottom of the mounting groove, and the sliding plate can return to the mounting groove.

Optionally, both ends of the sliding groove are communicated with an operation groove.

By adopting the technical scheme, on one hand, the sliding block is convenient for a user to push; on the other hand, the sliding block and the fixed plate can be kept on the same plane, and false touch is prevented.

Optionally, one end of the fixed block away from the cover plate is fixedly connected with a limiting block, and a limiting groove for clamping the sliding plate is formed in the limiting block

Through adopting above-mentioned technical scheme, thereby can prevent that the user from touching the sliding plate by mistake and make the sliding plate get back to in the mounting groove to ensure fixed effect.

Optionally, two sets of mounting grooves and fixing pieces are arranged at one end of the fixing plate, and the two sets of mounting grooves and the fixing pieces are respectively arranged at two sides of the fixing plate.

Through adopting above-mentioned technical scheme, when one of them group breaks down, another group can play the fixed effect, and then ensures fixed effect, increase of service life.

Optionally, the fixing block is provided with a guiding inclined plane at the connecting hole.

By adopting the technical scheme, the fixing block is convenient to clamp into the connecting hole.

Optionally, one side of the cover plate far away from the base is provided with an operating handle and is hinged with a protective cover positioned at the operating handle.

By adopting the technical scheme, the user can be prevented from touching the operating handle by mistake.

Optionally, the one side fixedly connected with shell fragment of articulated department is kept away from to the safety cover, the one side that the apron kept away from the base is provided with the fixed frame of corresponding shell fragment.

By adopting the technical scheme, when the operation handle is not required to be operated, the protective cover is closed, the elastic sheet is propped against by hands to enable the elastic sheet to extend into the fixed frame, and the elastic sheet is reset to clamp the fixed frame to form fixation by loosening the hands; when the operation handle is needed, the elastic sheet is pressed against by hands to deform the elastic sheet, and then the protective cover is punched.

In summary, the present application includes at least one of the following beneficial technical effects:

1. by arranging the fixing blocks, the fixing plates and the fixing pieces, the base and the cover plate can be conveniently assembled and disassembled, and meanwhile, when vibration or false touch of a user occurs, the fixing plates are separated from the fixing blocks, so that the base and the cover plate are separated, and the fixing effect is ensured;

2. by arranging the operation groove and the limiting block, the fixing plate and the fixing block are further prevented from being separated due to false touch of a user, and the fixing effect is enhanced;

3. two sets of mounting grooves and fixing pieces are formed in one end of the fixing plate, so that the fixing effect of the cover plate and the base can be ensured when one set of mounting grooves and fixing pieces fail, and the service life of the mounting grooves and the fixing pieces can be prolonged.

Drawings

Fig. 1 is a schematic structural view of a molded case of a circuit breaker, which is convenient to assemble, according to an embodiment of the present application.

Fig. 2 is a schematic structural view of the molded case of the circuit breaker according to the embodiment of the present application in a state of opening the protection cover.

Fig. 3 is a bottom view of a molded case circuit breaker that facilitates assembly in accordance with an embodiment of the present application.

Fig. 4 is a schematic cross-sectional view taken along line A-A in fig. 3.

Fig. 5 is a schematic cross-sectional view taken along line B-B in fig. 3.

Reference numerals illustrate: 1. a base; 2. a cover plate; 3. a fixed block; 31. a connection hole; 32. a guide slope; 4. a fixing plate; 41. a mounting groove; 42. a sliding groove; 43. an operation groove; 5. a fixing member; 51. a sliding plate; 52. a connecting block; 53. a sliding block; 6. a limiting block; 61. a limit groove; 7. an operation handle; 8. a protective cover; 81. a spring plate; 811. an elastic part; 812. a fixing part; 9. and fixing the frame.

Detailed Description

The present application is described in further detail below in conjunction with figures 1-5.

The embodiment of the application discloses a circuit breaker plastic case convenient to equipment.

Referring to fig. 1 and 2, a circuit breaker plastic case convenient to assemble includes a base 1, a cover plate 2, a fixing block 3, a fixing plate 4, an operating handle 7, and a protection cover 8. The base 1 can be mutually attached to the cover plate 2; the operating handle 7 is rotatably connected to one side of the cover plate 2 away from the base 1, and the protective cover 8 is hinged to one side of the cover plate 2 away from the base 1 and is positioned at the operating handle 7; the two fixing blocks 3 and the two fixing plates 4 are respectively arranged, the fixing blocks 3 are fixedly connected to two opposite sides of the base 1, and the fixing plates 4 are fixedly connected to two sides of the cover plate 2 corresponding to the fixing blocks 3; the fixed block 3 is provided with a connecting hole 31 for the fixed plate 4 to pass through, and one side of the fixed block 3 facing the cover plate 2 is provided with a guide inclined plane 32 positioned at the connecting hole 31. When in assembly, the cover plate 2 is aligned to the base 1 to be closed, so that the fixing plate 4 is inserted into the connecting hole 31 along the guide inclined plane 32; when the cover plate 2 is detached, the cover plate is moved along the direction away from the base 1, so that the fixing plate 4 is separated from the fixing block 3.

Referring to fig. 1 and 2, a fixed frame 9 is fixedly connected to one side of the cover plate 2 away from the base 1, a spring plate 81 corresponding to the fixed frame 9 is fixedly connected to the hinge position of the protective cover 8, the spring plate 81 comprises an elastic part 811 and a fixed part 812, when a user does not need to use the operation handle 7, the protective cover 8 is closed and the elastic part 811 is pressed to deform the spring plate 81, and after the user releases the hand, the elastic part 811 returns to enable the fixed part 812 to be clamped into the fixed frame 9 to form fixation; when the operation handle 7 is required, the elastic piece 81 is deformed against the elastic portion 811, and the fixing portion 812 is separated from the fixing frame 9, so that the protection cover 8 can be opened for operation.

Referring to fig. 3 and 4, the fixing plate 4 has a mounting groove 41 and a sliding groove 42 formed on both sides of one end thereof away from the cover plate 2, and the sliding groove 42 communicates with the mounting groove 41. The fixing piece 5 is arranged in the mounting groove 41 and the sliding groove 42, and the fixing piece 5 comprises a sliding plate 51, a connecting block 52 and a sliding block 53 which are integrally formed; the slide plate 51 is positioned in the mounting groove 41, and the connection block 52 and the slide block 53 are positioned in the slide groove 42. After the fixed plate 4 passes through the connecting hole 31, the sliding block 53 is pushed by hand to move in a direction away from the bottom of the mounting groove 41, so that the connecting block 52 and the sliding plate 51 are driven to slide, and the sliding plate 51 extends out of the mounting groove 41 and is abutted with one side, away from the cover plate 2, of the fixed block 3, so that fixation is formed, and the fixed plate 4 is prevented from being separated from the fixed block 3; when the fixing plate is required to be detached, the sliding plate 51 is pushed in the opposite direction, so that the sliding plate 51 can return to the mounting groove 41, and the fixing plate 4 can be conveniently separated from the fixing block 3.

Referring to fig. 4, two sides of one end of the fixed block 3 far away from the cover plate 2 are fixedly connected with limiting blocks 6, and a limiting groove 61 for the sliding plate 51 to be clamped in is formed in one side of the limiting block 6 close to the fixed plate 4. During assembly, the sliding block 53 is pushed to clamp the sliding plate 51 into the limiting groove 61, so that the sliding plate 51 is prevented from being pushed back into the mounting groove 41 by a person touching the sliding plate 51 by mistake, further, the fixing plate 4 and the fixing block 3 are prevented from being separated accidentally, and the fixing effect is ensured.

Referring to fig. 3 and 5, both ends of the sliding groove 42 are respectively connected with an operation groove 43 having a semicircular cross section, which can facilitate the user to insert his/her finger to abut against the sliding block 53, thereby facilitating the operation of pushing the sliding block 53 to complete the fixing and releasing the fixing. The fixing member 5 has an i-shaped cross section, and can ensure that the slide plate 51 slides smoothly in the mounting groove 41, and the connection block 52 and the slide block 53 slide smoothly in the slide groove 42.

The implementation principle of the circuit breaker plastic case convenient to assemble is as follows: during assembly, the cover plate 2 is aligned with the base 1 and pushed in, so that the fixing plate 4 enters along the guide inclined plane 32 and passes through the connecting hole 31; pushing the sliding block 53 by hand to move away from the bottom of the mounting groove 41, so that the connecting block 52 and the sliding plate 51 move away from the bottom of the mounting groove 41, and the sliding plate 51 slides out of the mounting groove 41 and is clamped into the limiting groove 61 to form fixation; when disassembly is required, the sliding block 53 is moved in the opposite direction so that the sliding plate 51 can slide back into the mounting groove 41, thereby separating the fixing plate 4 from the fixing block 3 and separating the cover plate 2 from the base 1.

The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims

1. The utility model provides a circuit breaker plastic case convenient to equipment, includes base (1) and apron (2) be connected with base (1), its characterized in that: the base (1) both sides all are provided with fixed block (3), connecting hole (31) have been seted up to fixed block (3), apron (2) both sides all are provided with fixed plate (4) that can block connecting hole (31), mounting groove (41) have been seted up to one end that apron (2) was kept away from to fixed plate (4), mounting piece (5) have been placed in mounting groove (41), one end butt that apron (2) can be kept away from with fixed block (3) to mounting piece (5).

2. The molded case of a circuit breaker for easy assembly of claim 1, wherein: the fixing piece (5) comprises a sliding plate (51), a connecting block (52) and a sliding block (53) which are sequentially and fixedly connected, the connecting block (52) is fixedly connected to one end, far away from a notch of the mounting groove (41), of the sliding plate (51), and the mounting groove (41) is communicated with a sliding groove (42) for the connecting block (52) to slide with the sliding block (53).

3. The molded case of a circuit breaker for easy assembly of claim 2, wherein: both ends of the sliding groove (42) are communicated with an operation groove (43).

4. The molded case of a circuit breaker for easy assembly of claim 2, wherein: one end of the fixed block (3) far away from the cover plate (2) is fixedly connected with a limiting block (6), and the limiting block (6) is provided with a limiting groove (61) for the sliding plate (51) to be clamped in.

5. The molded case of a circuit breaker for easy assembly of claim 1, wherein: two groups of mounting grooves (41) and fixing pieces (5) are formed in one end of the fixing plate (4), and the two groups of mounting grooves (41) and the fixing pieces (5) are respectively arranged on two sides of the fixing plate (4).

6. The molded case of a circuit breaker for easy assembly of claim 1, wherein: the fixed block (3) is provided with a guide inclined plane (32) positioned at the connecting hole (31).

7. The molded case of a circuit breaker for easy assembly of claim 1, wherein: an operating handle (7) is arranged on one side, far away from the base (1), of the cover plate (2), and a protective cover (8) positioned at the operating handle (7) is hinged.

8. The molded case of a circuit breaker for easy assembly of claim 7, wherein: one side of the protection cover (8) away from the hinge is fixedly connected with an elastic sheet (81), and one side of the cover plate (2) away from the base (1) is provided with a fixing frame (9) corresponding to the elastic sheet (81).