CN219936961U - Plastic case breaker capable of being quickly disassembled and assembled - Google Patents

Abstract

The utility model discloses a quickly-detachable molded case circuit breaker, which relates to the technical field of electrical equipment and comprises a circuit breaker main body, wherein the circuit breaker main body is provided with a fixing groove matched with a fixing block of a mounting plate, the circuit breaker main body is connected with a limiting mechanism for limiting the fixing block of the mounting plate to be separated from the fixing groove, the limiting mechanism comprises a first elastic piece, a positioning block matched with the fixing groove of the fixing block and a moving piece for driving the positioning block to slide, the positioning block is connected to the circuit breaker main body in a sliding manner, the circuit breaker main body is provided with a containing cavity for clamping and sliding the positioning block, the containing cavity is communicated with the fixing groove, and the positioning block is connected with the circuit breaker main body through the first elastic piece. According to the circuit breaker, the fixing block is clamped into the fixing groove, the first elastic piece is pressed to generate elastic deformation and is compressed until the positioning block is aligned with the positioning groove, and the first elastic piece elastically resets, so that the positioning block is clamped into the positioning groove, and the circuit breaker is convenient to install.

Description

Plastic case breaker capable of being quickly disassembled and assembled

Technical Field

The utility model relates to the technical field of electrical equipment, in particular to a plastic shell breaker capable of being quickly disassembled and assembled.

Background

The molded case circuit breaker can automatically cut off the current after the current exceeds the trip setting. 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.

As shown in fig. 1, the circuit breaker is connected to the mounting plate 1, the mounting plate 1 is fixedly connected with a fixing block 11, the fixing block 11 is rectangular, and positioning grooves 12 are formed in two opposite sides of the fixing block 11.

When the existing circuit breaker is installed, the circuit breaker needs to be lifted by one hand, so that the circuit breaker is stably placed at the corresponding position of the mounting plate, the other hand sequentially penetrates through the circuit breaker and the mounting plate by the screw, the circuit breaker is installed and fixed, the installation efficiency is affected, and the circuit breaker is to be improved.

Disclosure of Invention

The utility model aims to provide a plastic shell circuit breaker capable of being quickly disassembled and assembled, and the purpose of improving the installation efficiency of the circuit breaker is achieved.

The utility model provides a plastic-case circuit breaker capable of being quickly disassembled and assembled, which adopts the following technical scheme:

including the circuit breaker main part, the circuit breaker main part is provided with and is used for with the fixed block complex fixed slot of mounting panel, the circuit breaker main part is connected with the fixed block that is used for restricting the mounting panel and breaks away from the stop gear of fixed slot, stop gear include first elastic component, be used for with fixed block's fixed slot complex locating piece and be used for driving the locating piece removes piece that slides, the locating piece slides and connects in the circuit breaker main part, the circuit breaker main part is provided with and is used for the locating piece card is gone into and the accommodation chamber that slides, accommodation chamber with the fixed slot intercommunication, the locating piece with the circuit breaker main part is passed through first elastic component is connected.

Through adopting above-mentioned technical scheme, when needs are installed the circuit breaker, the fixed block aligns with the fixed slot, the direction that is close to the mounting panel removes the circuit breaker main part, the fixed block card is gone into the fixed slot, the fixed block drives the locating piece and is slided along holding the chamber towards being close to first elastic component direction, first elastic component pressurized produces elastic deformation and is compressed, until the locating piece aligns with the constant head tank, first elastic component elasticity resets, first elastic component forces the locating piece to slide towards the direction that is close to the constant head tank, make the locating piece card go into in the constant head tank, thereby prevent that the condition that the fixed block breaks away from the fixed slot from taking place, even if in installing the circuit breaker main part, improve the installation effectiveness of circuit breaker main part. When the circuit breaker needs to be disassembled, the moving part is moved, and the moving part drives the positioning block to move towards the direction close to the first elastic part, so that the positioning block is completely separated from the positioning groove, and the circuit breaker is convenient to disassemble.

Optionally, the circuit breaker main part is connected with and is used for restricting the setting piece slides, the circuit breaker main part be provided with be used for with setting piece screw thread complex screw hole, the setting piece is provided with and is used for the holding hole that the setting piece passed, the circuit breaker main part be provided with be used for with setting piece screw thread complex screw thread groove, the screw hole with the screw thread groove all with hold the chamber intercommunication.

Through adopting above-mentioned technical scheme, when the constant head tank was gone into to the locating piece card, the one end of mounting passed screw hole and holding hole in proper order, the tip and the thread groove screw thread fit of mounting to realize the fixed connection of mounting and circuit breaker main part, restrict the removal of locating piece promptly, improve the stability that the locating piece was placed, prevent not touching the condition emergence that the moving piece drove the locating piece.

Optionally, a guide surface is disposed at an end of the positioning block away from the first elastic element.

Through adopting above-mentioned technical scheme, when the fixed block card goes into the fixed slot, fixed block and guide surface butt, the guide plays the effect of direction to the slip of locating piece, and the fixed block of being convenient for drives the locating piece and moves towards the direction that is close to first elastic component.

Optionally, the locating piece fixedly connected with guide block, the circuit breaker main part is provided with and is used for the guide block card is gone into and the guide slot that slides, the guide slot with hold the chamber intercommunication.

Through adopting above-mentioned technical scheme, when the locating piece slides, the guide block slides along the guide way, and the cooperation of sliding of guide block and guide way plays direction and spacing effect to the sliding of locating piece to improve the stability that the locating piece slided, the locating piece card of being convenient for enters the guide way.

Optionally, the locating piece fixed connection promotes the piece, it is provided with the inclined plane to promote the piece, the moving part be used for with the inclined plane butt.

Through adopting above-mentioned technical scheme, when the locating piece breaks away from the constant head tank that needs, promote the moving part, moving part and inclined plane butt, the inclined plane plays the effect of direction to the removal of pushing the piece, plays the effect of direction to the removal of locating piece promptly, and the moving part of being convenient for drives the removal of pushing the piece, drives the locating piece promptly and removes.

Optionally, the moving member includes movable rod, second elastic component and ball, the circuit breaker main part is provided with and is used for the through-hole that the movable rod passed, the through-hole with hold the chamber intercommunication, ball fixed connection is in the one end of movable rod, the second elastic component cover is established on the movable rod, the ball with the circuit breaker main part passes through the second elastic component is connected.

Through adopting above-mentioned technical scheme, when the locating piece breaks away from the constant head tank that needs, remove the movable rod and slide along the through-hole towards the direction that is close to the impeller block, the cooperation of sliding of movable rod and through-hole plays direction and spacing effect to the sliding of movable rod, improves the stability that the movable rod removed, and the second elastic component is drawn and is produced elastic deformation and is elongated, ball and inclined plane, reduces the area of contact on ball and inclined plane, reduces promptly and produces impaired condition emergence because of the friction. The ball drives the pushing block to move, namely the positioning block is gradually separated from the positioning groove, and when the moving rod is loosened, the second elastic piece elastically resets, and the second elastic piece drives the moving rod and the ball to reset.

Optionally, the number of the moving parts is at least two, and adjacent moving parts are connected through a connecting rod.

Through adopting above-mentioned technical scheme, the movable connecting rod can drive a plurality of moving parts and remove simultaneously, and the connecting rod of being convenient for drives the movable rod and removes.

Optionally, the breaker main body is connected with a case for covering the moving member and the connection rod.

Through adopting above-mentioned technical scheme, the box covers moving part and connecting rod, prevents not to touch the condition emergence of connecting rod, prevents the emergence that the moving part removed. The box body can reduce the dust and enter into the holding cavity through the through hole, reduces the condition that the dust adheres to on the locating piece and takes place.

Optionally, the box includes backup pad and apron, backup pad fixed connection is in on the circuit breaker main part, the apron rotates to be connected in the backup pad.

Through adopting above-mentioned technical scheme, rotate the apron alright movable connecting rod, convenient operation.

Optionally, the apron fixedly connected with elasticity buckle, the backup pad is provided with and is used for elasticity buckle card goes into the draw-in groove.

Through adopting above-mentioned technical scheme, when the fixed apron of needs, the draw-in groove is gone into to elasticity buckle card, and the surface of elasticity buckle and the laminating of the inner wall of draw-in groove, elasticity buckle and draw-in groove interference fit improve the stability that the apron was placed.

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

1. when the circuit breaker needs to be installed, the fixed block is aligned with the fixed slot, the circuit breaker main body is moved towards the direction close to the mounting plate, the fixed block is clamped into the fixed slot, the fixed block drives the positioning block to slide towards the direction close to the first elastic piece along the accommodating cavity, the first elastic piece is pressed to generate elastic deformation and is compressed until the positioning block is aligned with the positioning slot, the first elastic piece elastically resets, the first elastic piece forces the positioning block to slide towards the direction close to the positioning slot, and the positioning block is clamped into the positioning slot, so that the situation that the fixed block is separated from the fixed slot is prevented, and the circuit breaker is installed. When the circuit breaker needs to be disassembled, the moving part is moved, and the moving part drives the positioning block to move towards the direction close to the first elastic part, so that the positioning block is completely separated from the positioning groove, and the circuit breaker is convenient to disassemble.

Drawings

Fig. 1 is a schematic view of the overall structure of the mounting plate.

Fig. 2 is a schematic overall structure of an embodiment of the present utility model.

Fig. 3 is one of the sectional views of the embodiment of the present utility model, showing the fixing groove.

Fig. 4 is an enlarged view of a region a of fig. 3.

Fig. 5 is a schematic view of a part of the structure of an embodiment of the present utility model.

FIG. 6 is a second cross-sectional view of an embodiment of the utility model, showing a resilient catch.

Reference numerals illustrate: 1. a mounting plate; 11. a fixed block; 12. a positioning groove; 2. a breaker main body; 21. a fixing groove; 22. a receiving chamber; 23. a guide groove; 24. a threaded hole; 25. a thread groove; 26. a through hole; 3. a limiting mechanism; 31. a first elastic member; 32. a positioning block; 321. a guide surface; 322. a guide block; 323. a pushing block; 3231. an inclined surface; 324. a receiving hole; 4. a moving member; 41. a moving rod; 42. a second elastic member; 43. a ball; 44. a connecting rod; 5. a fixing member; 6. a case; 61. a support plate; 611. a clamping groove; 62. a cover plate; 621. and an elastic buckle.

Detailed Description

The present utility model will be described in further detail with reference to fig. 2 to 6.

The embodiment of the utility model discloses a plastic shell circuit breaker capable of being quickly disassembled and assembled.

As shown in fig. 2 and 3, the circuit breaker comprises a circuit breaker main body 2, wherein one side, close to a fixed block 11 of a mounting plate 1, of the circuit breaker main body 2 is concavely provided with a fixed groove 21 used for being matched with the fixed block 11 in a direction away from the fixed block 11, the fixed groove 21 is cuboid, and the circuit breaker main body 2 is connected with two limiting mechanisms 3 used for limiting the fixed block 11 to be separated from the fixed groove 21 (the number of the limiting mechanisms 3 is selected according to actual requirements).

As shown in fig. 4 and 5, the limiting mechanism 3 includes a first elastic member 31, a positioning block 32 matched with the positioning slot 12 of the fixed block 11, and a moving member 4 for driving the positioning block 32 to slide, the breaker main body 2 is provided with a holding cavity 22 for the positioning block 32 to be clamped in and slide, the holding cavity 22 is communicated with the fixed slot 21, one end of the first elastic member 31 is fixedly connected with one side, away from the fixed slot 21, of the positioning block 32, the other end is fixedly connected with a cavity wall, away from the fixed slot 21, of the holding cavity 22, and one end, away from the first elastic member 31, of the positioning block 32 is provided with a guide surface 321.

As shown in fig. 4 and 5, a guide block 322 is fixedly connected to one side of the positioning block 32, and a guide groove 23 for the guide block 322 to be clamped in and slide is formed in the breaker main body 2, and the guide groove 23 is communicated with the accommodating cavity 22. One side of the positioning block 32 far away from the guide block 322 is fixedly connected with a pushing block 323, the pushing block 323 is positioned at one end of the positioning block 32 close to the first elastic piece 31, and an inclined surface 3231 is formed at one side of the pushing block 323 far away from the first elastic piece 31. The circuit breaker main body 2 is connected with the mounting 5 that is used for restricting the locating piece 32 to slide, and the mounting 5 is the bolt, and the circuit breaker main body 2 has been seted up and is used for with mounting 5 screw thread fit's screw hole 24, and locating piece 32 has been seted up and has been supplied mounting 5 to pass hold hole 324, and circuit breaker main body 2 has been seted up and is used for mounting 5 screw thread fit's screw thread groove 25, screw hole 24 and screw thread groove 25 all communicate with holding chamber 22.

Referring to fig. 4 and 5, the moving member 4 includes a moving rod 41, a second elastic member 42 and a ball 43, the moving rod 41 is cylindrical, the breaker main body 2 is provided with a through hole 26 through which the moving rod 41 passes, the through hole 26 is communicated with the accommodating cavity 22, the ball 43 is fixedly connected to one end of the moving rod 41, the ball 43 is disposed in the accommodating cavity 22, the second elastic member 42 is a spring, the second elastic member 42 is sleeved on the moving rod 41, one end of the second elastic member 42 is fixedly connected with the ball 43, and the other end is fixedly connected with a cavity wall at one side of the accommodating cavity 22. The two moving bars 41 are fixedly connected by a connecting bar 44.

As shown in fig. 6, the upper surface of the breaker main body 2 is connected with a box 6 for covering the moving rod 41 and the connecting rod 44, the box 6 includes four support plates 61 and a cover plate 62, the four support plates 61 are fixedly connected to the breaker main body 2, two adjacent support plates 61 are vertically distributed, the cover plate 62 is rotatably connected to one of the support plates 61, one side of the cover plate 62, which is close to the support plate 61, is fixedly connected with an elastic buckle 621, and the support plate 61 is provided with a clamping groove 611 into which the elastic buckle 621 is clamped.

The implementation principle of the plastic-case circuit breaker capable of being quickly disassembled and assembled in the embodiment of the utility model is as follows:

when the circuit breaker needs to be installed, the fixing block 11 is aligned with the fixing groove 21, the circuit breaker main body 2 is moved towards the direction close to the installation plate 1, the fixing block 11 is abutted against the guide surface 321, the fixing block 11 drives the positioning block 32 to slide towards the direction close to the first elastic piece 31 along the accommodating cavity 22, the first elastic piece 31 is pressed to generate elastic deformation and is compressed until the positioning block 32 is aligned with the positioning groove 12, the first elastic piece 31 is elastically reset, and the first elastic piece 31 forces the positioning block 32 to slide towards the direction close to the positioning groove 12, so that the positioning block 32 is clamped into the positioning groove 12. At this time, the threaded hole 24, the threaded groove 25 and the accommodating hole 324 are all located on the same axis, and one end of the fixing member 5 sequentially passes through the threaded hole 24 and the accommodating hole 324, and the end of the fixing member 5 is in threaded engagement with the threaded groove 25, so that the fixing member 5 is fixedly connected with the breaker main body 2, i.e. the movement of the positioning block 32 is limited. Finally, the breaker body 2 is screwed to the mounting plate 1.

When the circuit breaker needs to be disassembled, the screw is loosened, the cover plate 62 is opened, the connecting rod 44 is moved, the connecting rod 44 can simultaneously drive the two moving parts 4 to move, the ball 43 is abutted with the inclined surface 3231, the ball 43 drives the pushing block 323 to move in the direction close to the first elastic part 31, namely, the positioning block 32 is gradually separated from the positioning groove 12, and the circuit breaker main body 2 can be taken out from the mounting plate 1.

The above embodiments are not intended to limit the scope of the present utility model, so: all equivalent changes in structure, shape and principle of the utility model should be covered in the scope of protection of the utility model.

Claims (10)

1. But quick assembly disassembly's moulded case circuit breaker, its characterized in that: including circuit breaker main part (2), circuit breaker main part (2) are provided with be used for with fixed block (11) complex fixed slot (21) of mounting panel (1), circuit breaker main part (2) are connected with and are used for restricting fixed block (11) of mounting panel (1) break away from stop gear (3) of fixed slot (21), stop gear (3) include first elastic component (31), be used for with fixed block (11) constant head tank (12) complex locating piece (32) and be used for driving moving piece (4) that locating piece (32) slided, locating piece (32) are slided and are connected on circuit breaker main part (2), circuit breaker main part (2) are provided with and are used for locating piece (32) card is gone into and holding chamber (22) that slides, hold chamber (22) with fixed slot (21) intercommunication, locating piece (32) with circuit breaker main part (2) are passed through first elastic component (31) are connected.

2. The quick detachable molded case circuit breaker according to claim 1, wherein: the circuit breaker is characterized in that the circuit breaker main body (2) is connected with a fixing piece (5) used for limiting sliding of the locating piece (32), the circuit breaker main body (2) is provided with a threaded hole (24) used for being in threaded fit with the fixing piece (5), the locating piece (32) is provided with a containing hole (324) used for the fixing piece (5) to penetrate through, the circuit breaker main body (2) is provided with a threaded groove (25) used for being in threaded fit with the fixing piece (5), and the threaded hole (24) and the threaded groove (25) are communicated with the containing cavity (22).

3. The quick detachable molded case circuit breaker according to claim 1, wherein: one end of the positioning block (32) far away from the first elastic piece (31) is provided with a guide surface (321).

4. The quick detachable molded case circuit breaker according to claim 1, wherein: the circuit breaker is characterized in that the positioning block (32) is fixedly connected with a guide block (322), the circuit breaker main body (2) is provided with a guide groove (23) used for clamping and sliding the guide block (322), and the guide groove (23) is communicated with the accommodating cavity (22).

5. The quick detachable molded case circuit breaker according to claim 1, wherein: the locating block (32) is fixedly connected with the pushing block (323), the pushing block (323) is provided with an inclined surface (3231), and the moving piece (4) is used for being abutted to the inclined surface (3231).

6. The quick detachable molded case circuit breaker according to claim 1, wherein: moving part (4) are including movable rod (41), second elastic component (42) and ball (43), circuit breaker main part (2) are provided with and are used for through-hole (26) that movable rod (41) passed, through-hole (26) with hold chamber (22) intercommunication, ball (43) fixed connection are in one end of movable rod (41), second elastic component (42) cover is established on movable rod (41), ball (43) with circuit breaker main part (2) are passed through second elastic component (42) are connected.

7. The quick detachable molded case circuit breaker according to claim 1, wherein: at least two moving parts (4) are arranged, and adjacent moving parts (4) are connected through connecting rods (44).

8. The quick detachable molded case circuit breaker according to claim 7, wherein: the breaker main body (2) is connected with a box body (6) for covering the moving member (4) and the connecting rod (44).

9. The quick detachable molded case circuit breaker according to claim 8, wherein: the box body (6) comprises a supporting plate (61) and a cover plate (62), wherein the supporting plate (61) is fixedly connected to the breaker main body (2), and the cover plate (62) is rotatably connected to the supporting plate (61).

10. The quick detachable molded case circuit breaker according to claim 9, wherein: the cover plate (62) is fixedly connected with an elastic buckle (621), and the supporting plate (61) is provided with a clamping groove (611) for clamping the elastic buckle (621).