Novel structure for installing circuit breaker in electrical cabinet

Abstract

The utility model relates to the technical field of electrical cabinets, in particular to a novel structure for installing a circuit breaker in an electrical cabinet, which comprises a door plate piece, the inner wall of the door plate piece is fixedly connected with the inner wall of an installation piece through a bolt, a worker can contact the circuit breaker from a square groove, and the circuit breaker can be replaced, connected and the like. Meanwhile, the upper cover plate covers the mounting block, so that the overall attractiveness after the circuit breaker is mounted is ensured, the assembling sequence of the circuit breaker can be flexibly adjusted through the novel structure, the circuit breaker can be mounted on an electrical cabinet door plate after wiring is completed, wiring can be conducted after the circuit breaker is mounted, and the structure is simple and convenient to operate under the condition that a cable needs to be rectified and reformed. The circuit breaker can be contacted for wiring only by disassembling the bolts of the upper cover plate, the whole circuit breaker does not need to be disassembled, if a circuit breaker needs to be newly added, the newly added circuit breaker only needs to be installed on the circuit breaker guide rail on the back from the front, and an electrical cabinet door plate does not need to be disassembled.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of electrical cabinet, concretely to a novel structure of installing circuit breaker in electrical cabinet. BACKGROUND

[0002] The electrical cabinet of subway vehicle mainly installs various system equipment, relay, contactor, circuit breaker and other electrical components, and the circuit breaker in the electrical cabinet needs to be frequently operated and used by operation and maintenance personnel, so the circuit breaker is usually installed on the cabinet door of the electrical cabinet to facilitate the operation and maintenance of the operation personnel in the later period.

[0003] After the installation of the circuit breaker is completed, the fastening bolt of the wiring cannot be contacted from the front of the door plate, so the circuit breaker must be installed on the panel after all the cable wiring is completed, which greatly limits the assembly sequence, and when wiring modification is needed, the entire circuit breaker needs to be removed, which wastes modification time, and in the case of adding circuit breakers, the entire door plate needs to be removed for reaming treatment, which wastes a lot of disassembly time due to the need to install other electrical components on the door plate. UTILITY MODEL CONTENT

[0004] The utility model discloses a novel structure of installing circuit breaker in electrical cabinet to solve the problem that the operation personnel is inconvenient to install, wire and modify the circuit breaker in the above background technology. In order to achieve the above purpose, the utility model provides the following technical scheme: a novel structure of installing circuit breaker in electrical cabinet, including door plate spare, the inner wall of door plate spare is fixedly connected with the inner wall of mounting piece through bolt, the inner wall of mounting piece is connected with the inner wall of guide rail piece through bolt, the mounting piece includes mounting plate, third screw hole, support, guide strip and fourth screw hole.

[0005] The inner wall of the door plate piece is movably abutted with the outer wall of the cover plate piece, the outer wall of the cover plate piece is rotatably connected with the inner wall of the protection piece, and the cover plate piece includes an upper cover plate, a positioning block, a sixth screw hole, a square groove, a limiting groove and a fixing rod.

[0006] Preferably, the door plate piece is composed of an electrical cabinet door plate, a door plate groove, a first screw hole, a positioning groove, a taking groove, a mounting block and a second screw hole, the inner wall of the center of the electrical cabinet door plate is provided with the door plate groove, the inner walls of the two sides of the electrical cabinet door plate near the door plate groove are provided with the first screw hole, the bottom and the top of the door plate groove are provided with the positioning groove, and the two sides of the door plate groove are provided with the taking groove, the inner walls of the four corners of the door plate groove are fixedly welded with the outer walls of the mounting blocks, and the inner wall of the center of the mounting block is provided with the second screw hole.

[0007] Preferably, the inner wall of the mounting plate is provided with a third threaded hole, and the back surface of the mounting plate is fixedly welded with the front surface of the support, the front surface of the support away from the mounting plate is fixedly welded with the back surface of the guide strip, and the inner wall of the support is provided with a fourth threaded hole, and the inner wall of the third threaded hole is fixedly connected with the inner wall of the first threaded hole through bolts.

[0008] Preferably, the guide rail member is composed of a circuit breaker guide rail, a guide groove and a fifth threaded hole, the top and bottom of the circuit breaker guide rail are provided with the guide groove, the inner walls of the two sides close to the circuit breaker guide rail are provided with the fifth threaded hole, the circuit breaker guide rail is provided with two groups, the inner wall of the guide groove is movably abutted with the outer wall of the guide strip, and the inner wall of the fifth threaded hole is fixedly connected with the inner wall of the fourth threaded hole through bolts.

[0009] Preferably, the top and bottom of the upper cover plate are provided with positioning blocks, the inner walls of the four corners close to the upper cover plate are provided with sixth threaded holes, the inner wall of the center of the upper cover plate is provided with a square groove, the inner wall of the bottom close to the square groove of the upper cover plate is provided with a limiting groove, the inner side walls of the square groove are fixedly connected with the two ends of the fixed rod respectively, the inner wall of the sixth threaded hole is fixedly connected with the inner wall of the second threaded hole through bolts, and the outer wall of the upper cover plate is movably abutted with the inner wall of the door plate groove.

[0010] Preferably, the protection member is composed of a protection cover, a locking block, an unlocking groove, a connecting shaft, a locking rod and a limiting block, the bottom of the protection cover is fixedly welded with the top of the locking block, the inner wall of the center of the locking block is provided with the unlocking groove, the inner wall of the unlocking groove is rotatably connected with the outer wall of the connecting shaft, the outer walls of the two ends of the connecting shaft are fixedly welded with the outer walls of the locking rod and the limiting block respectively, the size of the locking rod is smaller than that of the unlocking groove, the outer wall of the limiting block is rotatably connected with the inner wall of the limiting groove, and the inner wall of the protection cover is rotatably connected with the outer wall of the fixed rod.

[0011] Compared with the prior art, the utility model has the advantages of:

[0012] In the utility model, the staff can contact the circuit breaker from the square groove, replace the circuit breaker and perform wiring operation and the like, meanwhile, the upper cover plate covers the mounting block, ensures that the whole is beautiful after the installation of the circuit breaker, the new structure can flexibly adjust the assembly sequence of the circuit breaker, the circuit breaker can be installed on the door plate of the electrical cabinet after wiring is completed, wiring can be performed after the installation of the circuit breaker, in the case that the cable needs to be rectified, only the bolts of the upper cover plate need to be disassembled to contact the circuit breaker for wiring, the whole circuit breaker need not be disassembled, if the circuit breaker needs to be added, the added circuit breaker can be installed on the circuit breaker guide rail at the back from the front, and the door plate of the electrical cabinet need not be disassembled.

[0013] The utility model discloses, through the rotation locking rod makes it align the unlocking slot, can open the protection cover around the fixed rod, and the circuit breaker is operated, when not using locking rod is received gravity vertical drop, locking block is locked, the pollution of external environment when the circuit breaker is not needed to operate is avoided. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is the whole structure schematic diagram of the utility model;

[0015] Figure 2 It is the sectional view of the utility model;

[0016] Figure 3 It is the explosion drawing of the utility model;

[0017] Figure 4 It is the sectional view of the cover plate spare in the utility model;

[0018] Figure 5 It is the utility model Figure 3 A structure enlarged view in the utility model.

[0019] In the drawing: 1, door plate spare;101, electrical cabinet door plate;102, door plate groove;103, first screw hole;104, positioning groove;105, take groove;106, mounting block;107, second screw hole;2, mounting spare;201, mounting plate;202, third screw hole;203, support;204, guide strip;205, fourth screw hole;3, guide rail spare;301, circuit breaker guide rail;302, guide groove;303, fifth screw hole;4, cover plate spare;401, upper cover plate;402, positioning block;403, sixth screw hole;404, square groove;405, limiting groove;406, fixed rod;5, protection spare;501, protection cover;502, locking block;503, unlocking slot;504, connecting shaft;505, locking rod;506, limiting block. DETAILED DESCRIPTION

[0020] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model, and apparently, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skill in the art without creative work belong to the scope of the utility model protection.

[0021] Please refer to Figures 1 to 5The utility model provides a technical scheme: a novel structure of installing circuit breaker in electrical cabinet, including door panel piece 1, the inner wall of door panel piece 1 is fixedly connected with the inner wall of mounting piece 2 through bolt, the inner wall of mounting piece 2 is fixedly connected with the inner wall of guide rail piece 3 through bolt, and mounting piece 2 includes mounting plate 201, third screw hole 202, support 203, guide strip 204 and fourth screw hole 205.

[0022] The inner wall of door panel piece 1 is movably abutted with the outer wall of cover plate piece 4, the outer wall of cover plate piece 4 is rotatably connected with the inner wall of protection piece 5, and cover plate piece 4 includes upper cover plate 401, positioning block 402, sixth screw hole 403, square groove 404, limiting groove 405 and fixed rod 406.

[0023] In the embodiment, as shown in Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 and Figure 5 , door panel piece 1 is composed of electrical cabinet door plate 101, door plate groove 102, first screw hole 103, positioning groove 104, taking groove 105, mounting block 106 and second screw hole 107, the inner wall of the center of electrical cabinet door plate 101 is provided with door plate groove 102, the inner wall of the two sides of electrical cabinet door plate 101 close to door plate groove 102 is provided with first screw hole 103, the bottom and top of door plate groove 102 are provided with positioning groove 104, the two sides of door plate groove 102 are provided with taking groove 105, the inner wall of the four corners of door plate groove 102 is fixedly welded with the outer wall of mounting block 106, the inner wall of the center of mounting block 106 is provided with second screw hole 107, and taking groove 105 can be operated by staff.

[0024] In the embodiment, as shown in Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 and Figure 5 , the inner wall of mounting plate 201 is provided with third screw hole 202, the back of mounting plate 201 is fixedly welded with the front of support 203, the front of support 203 away from mounting plate 201 is fixedly welded with the back of guide strip 204, the inner wall of support 203 is provided with fourth screw hole 205, the inner wall of third screw hole 202 is fixedly connected with the inner wall of first screw hole 103 through bolt, and mounting plate 201 can be conveniently removed from electrical cabinet door plate 101 by disassembling bolt.

[0025] In the embodiment, as shown in Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 and Figure 5As shown, the guide rail piece 3 is composed of a circuit breaker guide rail 301, a guide groove 302 and a fifth threaded hole 303, the top and bottom of the circuit breaker guide rail 301 are provided with the guide groove 302, and the inner walls close to the two sides of the circuit breaker guide rail 301 are provided with the fifth threaded hole 303, the circuit breaker guide rail 301 is provided with two groups, and the inner wall of the guide groove 302 is movably connected with the outer wall of the guide strip 204, the inner wall of the fifth threaded hole 303 is fixedly connected with the inner wall of the fourth threaded hole 205 through a bolt, and after the guide strip 204 is aligned with the guide groove 302, the circuit breaker guide rail 301 is installed on the support 203 by installing the bolt.

[0026] In the embodiment, as shown in Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 , the top and bottom of the upper cover plate 401 are provided with the positioning block 402, the inner walls close to the four corners of the upper cover plate 401 are provided with the sixth threaded hole 403, the inner wall of the center of the upper cover plate 401 is provided with the square groove 404, the inner wall close to the bottom of the square groove 404 of the upper cover plate 401 is provided with the limiting groove 405, the inner side walls of the square groove 404 are fixedly connected with the two ends of the fixed rod 406 respectively, and the inner wall of the sixth threaded hole 403 is fixedly connected with the inner wall of the second threaded hole 107 through a bolt, and the outer wall of the upper cover plate 401 movably abuts against the inner wall of the door plate groove 102. In the case of facing the cable that needs to be reformed, only the bolt of the upper cover plate 401 needs to be disassembled to contact the circuit breaker for wiring, without disassembling the whole circuit breaker.

[0027] In the embodiment, as shown in Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 , the protection piece 5 is composed of a protection cover 501, a locking block 502, an unlocking groove 503, a connecting shaft 504, a locking rod 505 and a limiting block 506, the bottom of the protection cover 501 is fixedly welded with the top of the locking block 502, the inner wall of the center of the locking block 502 is provided with the unlocking groove 503, the inner wall of the unlocking groove 503 is rotatably connected with the outer wall of the connecting shaft 504, the outer walls of the two ends of the connecting shaft 504 are fixedly welded with the outer walls of the locking rod 505 and the limiting block 506 respectively, the size of the locking rod 505 is smaller than the size of the unlocking groove 503, and the outer wall of the limiting block 506 is rotatably connected with the inner wall of the limiting groove 405, the inner wall of the protection cover 501 is rotatably connected with the outer wall of the fixed rod 406, after the locking rod 505 is aligned with the unlocking groove 503 by rotating, the protection cover 501 can be rotated to open around the fixed rod 406 to operate the circuit breaker, and when not in use, the locking rod 505 falls vertically due to gravity to lock the locking block 502, avoiding the pollution of the circuit breaker by the external environment when not in use.

[0028] The use method and advantages of the utility model are: the structure of the novel circuit breaker installation in electrical cabinet in work, the working process is as follows:

[0029] As Figure 1 , Figure 2 , Figure 3 , Figure 4 And Figure 5 Figure 1 Figure 2 Figure 3 Figure 4 Figure 5 Show, after guiding strip 204 alignment guide slot 302, through the installation of bolt circuit breaker guide rail 301 is installed on the bracket 203, again through bolt mounting plate 201 is installed on the electrical cabinet door plate 101, the staff can from square groove 404 contact circuit breaker, replace circuit breaker and wiring operation, cover upper cover plate 401 at installation block 106, ensure that the whole is beautiful after circuit breaker installation, by loosening the bolt between third screw hole 202 and first screw hole 103, circuit breaker guide rail 301 and circuit breaker can also be disassembled as a whole, new structure can flexibly adjust the assembly sequence of circuit breaker, can install circuit breaker on the electrical cabinet door plate 101 after wiring, can also install circuit breaker after wiring, in the face of cable needs to be reformed, only need to disassemble the bolt of upper cover plate 401 can contact circuit breaker and wiring, do not need to disassemble the whole circuit breaker, if need to add circuit breaker, only need to install the new circuit breaker from the front on the circuit breaker guide rail 301 in the back, do not need to disassemble the electrical cabinet door plate 101, by rotating locking rod 505 and making it align with unlocking slot 503, the protective cover 501 can be rotated and opened around the fixed rod 406, the circuit breaker is operated, when not in use, the locking rod 505 falls vertically under the action of gravity, locking block 502 is locked, avoiding the pollution of external environment to the circuit breaker when not in operation.

[0030] The basic principle, main characteristics and advantages of the utility model are shown and described above. The technical staff of the industry should understand that the utility model is not limited by the above examples, and the above examples and descriptions in the specification are only preferred examples of the utility model and do not limit the utility model. Without departing from the spirit and scope of the utility model, the utility model will have various changes and improvements, which all fall within the scope of the claimed utility model. The scope of protection of the utility model is defined by the attached claims and their equivalents.

Claims

1. A novel structure for mounting circuit breakers in electrical cabinets, comprising a door panel member (1), characterized in that: The inner wall of the door plate piece (1) is fixedly connected with the inner wall of the mounting piece (2) through bolts, the inner wall of the mounting piece (2) is fixedly connected with the inner wall of the guide rail piece (3) through bolts, and the mounting piece (2) comprises a mounting plate (201), a third threaded hole (202), a support (203), a guide strip (204) and a fourth threaded hole (205). The inner wall of the door plate piece (1) is movably abutted with the outer wall of the cover plate piece (4), the outer wall of the cover plate piece (4) is rotatably connected with the inner wall of the protection piece (5), and the cover plate piece (4) comprises an upper cover plate (401), a positioning block (402), a sixth threaded hole (403), a square groove (404), a limiting groove (405) and a fixing rod (406).

2. A novel structure for mounting circuit breakers in electrical cubicles as claimed in claim 1, wherein: The door plate piece (1) is composed of an electrical cabinet door plate (101), a door plate groove (102), a first threaded hole (103), a positioning groove (104), a taking groove (105), a mounting block (106) and a second threaded hole (107), the inner wall of the center of the electrical cabinet door plate (101) is provided with the door plate groove (102), the inner walls of the two sides of the electrical cabinet door plate (101) close to the door plate groove (102) are provided with the first threaded hole (103), the bottom and the top of the door plate groove (102) are provided with the positioning groove (104), the two sides of the door plate groove (102) are provided with the taking groove (105), the inner walls of the four corners of the door plate groove (102) are fixedly welded with the outer walls of the mounting blocks (106), and the inner wall of the center of the mounting block (106) is provided with the second threaded hole (107).

3. A novel structure for mounting circuit breakers in electrical cabinets as claimed in claim 2, wherein: The inner wall of the mounting plate (201) is provided with the third threaded hole (202), the back surface of the mounting plate (201) is fixedly welded with the front surface of the support (203), the front surface of the support (203) away from the mounting plate (201) is fixedly welded with the back surface of the guide strip (204), and the inner wall of the support (203) is provided with the fourth threaded hole (205), and the inner wall of the third threaded hole (202) is fixedly connected with the inner wall of the first threaded hole (103) through bolts.

4. A novel structure for mounting circuit breakers in electrical cabinets as claimed in claim 3, wherein: The guide rail piece (3) is composed of a circuit breaker guide rail (301), a guide groove (302) and a fifth threaded hole (303), the top and the bottom of the circuit breaker guide rail (301) are provided with the guide groove (302), the inner walls of the two sides of the circuit breaker guide rail (301) are provided with the fifth threaded hole (303), the circuit breaker guide rail (301) is provided with two groups, the inner wall of the guide groove (302) is movably abutted with the outer wall of the guide strip (204), and the inner wall of the fifth threaded hole (303) is fixedly connected with the inner wall of the fourth threaded hole (205) through bolts.

5. A novel structure for mounting circuit breakers in electrical cabinets as claimed in claim 2, wherein: The top and bottom of the upper cover plate (401) are provided with positioning blocks (402), and the inner walls of the upper cover plate (401) near four corners are provided with sixth screw holes (403); the inner wall of the center of the upper cover plate (401) is provided with a square groove (404), and the inner wall of the bottom of the square groove (404) is provided with a limiting groove (405); the inner side walls of the square groove (404) are fixedly connected with the two ends of the fixed rod (406) respectively, the inner walls of the sixth screw holes (403) are fixedly connected with the inner walls of the second screw holes (107) through bolts, and the outer wall of the upper cover plate (401) is movably abutted with the inner wall of the door plate groove (102).

6. A novel structure for mounting circuit breakers in electrical cabinets as claimed in claim 5, wherein: The guard (5) is composed of a guard cover (501), a locking block (502), an unlocking groove (503), a connecting shaft (504), a locking rod (505) and a limiting block (506), the bottom of the guard cover (501) is fixedly welded with the top of the locking block (502), the inner wall of the center of the locking block (502) is provided with the unlocking groove (503), the inner wall of the unlocking groove (503) is rotatably connected with the outer wall of the connecting shaft (504), the outer walls of the two ends of the connecting shaft (504) are fixedly welded with the outer walls of the locking rod (505) and the limiting block (506) respectively, the size of the locking rod (505) is smaller than the size of the unlocking groove (503), the outer wall of the limiting block (506) is rotatably connected with the inner wall of the limiting groove (405), and the inner wall of the guard cover (501) is rotatably connected with the outer wall of the fixed rod (406).

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