Remote control hydraulic electromagnetic circuit breaker

Abstract

The utility model discloses a remote control hydraulic electromagnetic circuit breaker, which comprises a left shell, an operating mechanism, an arc extinguishing mechanism, a tripping mechanism and a contact group, the operating mechanism, the arc extinguishing mechanism, the tripping mechanism and the contact group are mounted in the left shell, the left shell is formed by splicing at least two shell pieces, and the arc extinguishing mechanism comprises a plurality of arc extinguishing grid pieces. Each shell piece is provided with a slot group for installing a plurality of arc-extinguishing grid pieces, the slot group is composed of a plurality of slots for independently installing each arc-extinguishing grid piece, and each shell piece is provided with an extrusion assembly for extruding each arc-extinguishing grid piece to abut against one side wall, corresponding to the arrangement direction of the plurality of arc-extinguishing grid pieces, of each slot. The left housing is provided with an abutting assembly which synchronously drives each extrusion assembly to extrude the arc extinguishing grid sheets. The utility model has the following advantages and effects: convenient assembly between the arc extinguishing grid sheets and the shell sheets and between the shell sheets can be realized, so that the production efficiency of products is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a circuit breaker, in particular to a remote control's hydraulic electromagnetic circuit breaker. BACKGROUND

[0002] The circuit breaker is the key equipment for controlling and protecting the circuit in the power mechanism, can be connected, carries and breaks the current under the normal condition, and automatically cuts off the current when the circuit is abnormal (such as overload, short circuit or under voltage), to prevent equipment damage and guarantee personnel safety.

[0003] The installation mode of the existing circuit breaker arc extinguishing mechanism in the shell mainly has two kinds: one is that the arc extinguishing mechanism is assembled into a whole in advance, and then is installed into the shell, and the other is that a plurality of arc extinguishing grid sheets are directly inserted and fixed in the shell to constitute the arc extinguishing mechanism. The shell itself is assembled by a plurality of shell pieces, in order to ensure the stable installation of the arc extinguishing grid sheet, it needs to be inserted and assembled with each shell piece. The stability of the installation of the arc extinguishing grid sheet also depends on the matching tolerance between the arc extinguishing grid sheet and the shell slot, only through the moderate close matching tolerance, the stability of the installation can be ensured. However, the close matching tolerance increases the resistance of the arc extinguishing grid sheet inserted into the slot, and further improves the assembly difficulty. In addition, when the arc extinguishing grid sheet and one of the shell pieces are assembled, in the subsequent shell piece assembly process, the position of the arc extinguishing grid sheet and the slot on the other shell body needs to be accurately aligned. Affected by the close degree of the matching tolerance and the number of arc extinguishing grid sheets, the assembly difficulty will be multiplied. SUMMARY

[0004] The utility model aims at providing a remote control's hydraulic electromagnetic circuit breaker, the hydraulic electromagnetic circuit breaker can realize the convenient assembly between the arc extinguishing grid sheet and the shell piece, and between the shell pieces, so as to improve the production efficiency of the product.

[0005] The above technical purpose of the utility model is realized through the following technical scheme: a remote control's hydraulic electromagnetic circuit breaker, including left shell body and the operating mechanism, arc extinguishing mechanism, mouth opening mechanism and contact group installed in left shell body, the left shell body is assembled by at least two shell pieces, the arc extinguishing mechanism includes a plurality of arc extinguishing grid sheets, each shell piece is equipped with the slot group for a plurality of arc extinguishing grid sheets installation, the slot group is composed of a plurality of slots for each arc extinguishing grid sheet installation, each shell piece is equipped with the extrusion assembly that each arc extinguishing grid sheet is extruded to the wall on each slot corresponding a plurality of arc extinguishing grid sheet arrangement direction side, the left shell body is equipped with the resistance assembly that each extrusion assembly extrusion arc extinguishing grid sheet is driven synchronously.

[0006] By adopting the technical scheme, the arc extinguishing vanes are inserted into the slot groups on one of the shell pieces first, and then the assembly operation between the shell pieces is performed, and during the assembly process, the slot groups on the other shell piece are inserted and fixed with the arc extinguishing vanes, so that the assembly operation of the arc extinguishing vanes is completed. After the assembly is completed, the abutting assembly is arranged to apply the abutting force to the extrusion assembly, so that the extrusion assembly can extrude the arc extinguishing vanes to abut against the side wall of the slot, so as to realize the stable installation of the arc extinguishing vanes in the slot. By the arrangement structure, the cooperation tolerance between the slot and the arc extinguishing vane can be set to a large margin, that is, there is a certain cooperation gap between the two, so as to facilitate the assembly operation and improve the production efficiency of the product. During the assembly process between the shell pieces, the position of the arc extinguishing vane can be temporarily fixed by the extrusion assembly, so as to facilitate the butt joint operation of the arc extinguishing vane and the slot on the other shell piece.

[0007] Further arrangement is that the slot groups include upper slot groups and lower slot groups arranged at intervals with the upper slot groups, the arrangement direction of the slots of the upper slot groups is parallel to the arrangement direction of the slots of the lower slot groups, and the extrusion assembly is arranged in the lower slot groups.

[0008] By adopting the technical scheme, the extrusion assembly extrudes the position of the arc extinguishing vane in the lower slot group, so that the arc extinguishing vane is deflected due to unilateral force and abuts against the side wall of the slot of the upper slot group, so as to improve the installation stability of the arc extinguishing vane.

[0009] Further arrangement is that the extrusion assembly includes extrusion seats reciprocally sliding along the arrangement direction of the arc extinguishing vanes and arranged in the shell piece, and a plurality of extrusion grooves formed in the extrusion seat and provided for the arc extinguishing vanes to be inserted, a plurality of the extrusion grooves are arranged at intervals along the arrangement direction of the arc extinguishing vanes and the movement path of the extrusion groove is communicated with each slot.

[0010] By adopting the technical scheme, the arc extinguishing vanes are inserted into the slot and the extrusion groove in sequence, and the extrusion seat can drive the arc extinguishing vanes to move synchronously to one side during movement, so as to abut and hold the arc extinguishing vanes to the side wall of the slot.

[0011] Further arrangement is that the abutting assembly includes abutting seats connected with each extrusion seat and abutting springs connected with the abutting seats and the left shell body, and the abutting seat and each extrusion seat are provided with detachable fixing structures.

[0012] By adopting the technical scheme, the abutting spring applies the abutting force to each extrusion seat through the abutting seat, so as to realize the extrusion and abutting operation of each arc extinguishing vane.

[0013] Further arrangement is that the fixing structure includes an insertion block fixedly arranged in the extrusion seat and a fixing groove arranged in the abutting seat and provided for the insertion block to be inserted, and the insertion block and the fixing groove are tightly fixed.

[0014] By adopting the technical scheme, the shell piece is conveniently assembled between the extrusion seat and the abutting seat after being assembled to form the left shell body through the detachable fixing structure.

[0015] Further, one end of the abutting spring is fixedly connected with the abutting seat, and the left shell body is formed with an embedding groove for embedding the abutting spring.

[0016] By adopting the technical scheme, the abutting spring is conveniently and detachably assembled through the structure.

[0017] Further, the utility model further comprises a right shell body, a circuit board and a driving assembly installed in the right shell body, the driving assembly is connected with the circuit board, and the circuit board is installed with a wireless module.

[0018] By adopting the technical scheme, the wireless module can realize remote control of the driving assembly.

[0019] In summary, the utility model has the following beneficial effects: the utility model can realize convenient assembly between the arc-extinguishing grid piece and the shell piece and between the shell pieces, so as to improve the production efficiency of products. DRAWINGS

[0020] Figure 1 It is a structural schematic view of an embodiment;

[0021] Figure 2 It is a structural schematic view of another view of an embodiment;

[0022] Figure 3 It is a partial enlarged view of A part of the embodiment; Figure 2

[0023] Figure 4 It is an exploded view of a part of the embodiment;

[0024] Figure 5 It is another exploded view of a part of the embodiment;

[0025] Figure 6 It is a partial structural schematic view of the embodiment;

[0026] Figure 7 It is a partial sectional view of the embodiment;

[0027] Figure 8 It is another exploded view of a part of the embodiment.

[0028] ​In the figure: 1, left shell; 1.1, shell piece; 2, operating mechanism; 3, arc extinguishing grid piece; 4, mouth opening mechanism; 5, contact group; 61, upper slot group; 62, lower slot group; 63, slot; 7, extrusion assembly; 71, extrusion seat; 72, extrusion slot; 8, abutting assembly; 81, abutting seat; 82, abutting spring; 9, fixing structure; 91, plug; 92, fixing slot; 10, embedding slot; 11, right shell; 12, circuit board; 13, driving assembly. DETAILED DESCRIPTION

[0029] The utility model will be made further detailed explanation in combination with the drawings.

[0030] Reference Figures 1 to 8 A remote control hydraulic electromagnetic circuit breaker, including left shell 1 and installing in left shell 1 operating mechanism 2, arc extinguishing mechanism, mouth opening mechanism 4 and contact group 5. Left shell 1 is assembled by at least two shell pieces 1.1 and the number of shell piece 1.1 is preferably two, and arc extinguishing mechanism is composed of several arc extinguishing grid pieces 3. Each shell piece 1.1 is provided with the slot group for the installation of several arc extinguishing grid pieces 3, and the slot group is composed of several slots 63 for the separate installation of each arc extinguishing grid piece 3. Each shell piece 1.1 is provided with extrusion assembly 7 for extruding each arc extinguishing grid piece 3 to abut on the side wall of each slot 63 corresponding to the arrangement direction of several arc extinguishing grid pieces 3, and left shell 1 is provided with abutting assembly 8 for synchronously driving each extrusion assembly 7 to extrude arc extinguishing grid piece 3.

[0031] The slot group includes upper slot group 61 and lower slot group 62 arranged at intervals with upper slot group 61, and the arrangement direction of the slot 63 of the upper slot group 61 is parallel to the arrangement direction of the slot 63 of the lower slot group 62, and the extrusion assembly 7 is arranged in the lower slot group 62. The two shell pieces 1.1 are fixedly connected by screws.

[0032] The extrusion assembly 7 includes the extrusion seat 71 reciprocally slidingly arranged in the shell piece 1.1 along the arrangement direction of the several arc extinguishing grid pieces 3, and the several extrusion slots 72 formed in the extrusion seat 71 and inserted into the arc extinguishing grid pieces 3. The several extrusion slots 72 are arranged at intervals along the arrangement direction of the several arc extinguishing grid pieces 3, and the movement path of the extrusion slot 72 is communicated with each slot 63.

[0033] The abutting assembly 8 includes the abutting seat 81 connected with each extrusion seat 71 and the abutting spring 82 connected with the abutting seat 81 and the left shell 1, and the abutting seat 81 and each extrusion seat 71 are provided with detachable fixing structure 9. The fixing structure 9 includes the plug 91 integrally arranged in the extrusion seat 71 and the fixing slot 92 arranged in the abutting seat 81 and inserted into the plug 91, and the plug 91 and the fixing slot 92 are tightly fitted and fixed. One end of the abutting spring 82 is fixedly connected with the abutting seat 81, and the left shell 1 is formed with the embedding slot 10 for embedding the abutting spring 82, and the embedding slot 10 is formed in the two shell pieces 1.1.

[0034] Further comprising a right shell 11 fixedly connected with the left shell 1, and a circuit board 12 and a driving assembly 13 installed in the right shell 11, the driving assembly 13 is electrically connected with the circuit board 12, the driving assembly 13 is connected with the handle of the operating mechanism 2, and the circuit board 12 is provided with a wireless module. The operating mechanism 2, the mouth opening mechanism 4, the contact group 5, the circuit board 12, the wireless module and the driving assembly 13 are all prior arts, and the specific connection structure and principle will not be described in detail here.

[0035] The specific embodiment is only an explanation of the utility model, and is not a limitation of the utility model. Those skilled in the art can make modifications to the embodiment without creative contribution after reading the specification, but as long as the modifications are within the scope of the claims of the utility model, they are protected by the patent law.

Claims

1. A remote-controlled hydraulic electromagnetic circuit breaker, comprising a left casing (1) and an operating mechanism (2), an arc extinguishing mechanism, a tripping mechanism (4) and a contact group (5) installed in the left casing (1), wherein the left casing (1) is assembled by at least two casing pieces (1.1), the arc extinguishing mechanism comprises a plurality of arc extinguishing vanes (3), each of the casing pieces (1.1) is provided with a slot group for installing the arc extinguishing vanes (3), and the slot group is composed of a plurality of slots (63) for separately installing each of the arc extinguishing vanes (3), characterized in that: Each of the shell pieces (1.1) is provided with an extrusion assembly (7) for extruding each arc-extinguishing fin (3) against the corresponding side wall of each slot (63) in the arrangement direction of the arc-extinguishing fins (3), and the left shell (1) is provided with a pressing assembly (8) for synchronously driving each extrusion assembly (7) to extrude the arc-extinguishing fin (3).

2. The remotely controlled hydraulic electromagnetic circuit breaker of claim 1, wherein: The slot group comprises an upper slot group (61) and a lower slot group (62) arranged at intervals with the upper slot group (61), the arrangement direction of the slots (63) of the upper slot group (61) is parallel to the arrangement direction of the slots (63) of the lower slot group (62), and the extrusion assembly (7) is arranged in the lower slot group (62).

3. The remotely controlled hydraulic electromagnetic circuit breaker of claim 1, wherein: The extrusion assembly (7) comprises an extrusion seat (71) reciprocally slidingly arranged in the shell piece (1.1) along the arrangement direction of the arc-extinguishing fins (3), and a plurality of extrusion grooves (72) formed in the extrusion seat (71) and provided for the arc-extinguishing fins (3) to be inserted, the plurality of extrusion grooves (72) are arranged at intervals along the arrangement direction of the arc-extinguishing fins (3) and the movement path of the extrusion grooves (72) is communicated with each slot (63).

4. The remotely controlled hydraulic electromagnetic circuit breaker of claim 3, wherein: The pressing assembly (8) comprises a pressing seat (81) connected with each extrusion seat (71) and a pressing spring (82) connected with the pressing seat (81) and the left shell (1), and a detachable fixing structure (9) is arranged between the pressing seat (81) and each extrusion seat (71).

5. The remotely controlled hydraulic electromagnetic circuit breaker of claim 4, wherein: The fixing structure (9) comprises an insertion block (91) fixedly arranged in the extrusion seat (71) and a fixing groove (92) arranged in the pressing seat (81) and provided for the insertion block (91) to be inserted, and the insertion block (91) and the fixing groove (92) are tightly fitted and fixed.

6. The remotely controlled hydraulic electromagnetic circuit breaker of claim 4, wherein: One end of the pressing spring (82) is fixedly connected with the pressing seat (81), and the left shell (1) is formed with an embedding groove (10) for the pressing spring (82) to be embedded.

7. The remotely controlled hydraulic electromagnetic circuit breaker of claim 1, wherein: The right shell (11), the circuit board (12) and the driving assembly (13) installed in the right shell (11) are further included, the driving assembly (13) is connected with the circuit board (12), and the circuit board (12) is provided with a wireless module.

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