CN216698248U

CN216698248U - Protection box body for molded case circuit breaker

Info

Publication number: CN216698248U
Application number: CN202123288280.5U
Authority: CN
Inventors: 宋安超; 张雨; 吴春晖
Original assignee: Anhui Minminte Power Equipment Co ltd
Current assignee: Anhui Minminte Power Equipment Co ltd
Priority date: 2021-12-24
Filing date: 2021-12-24
Publication date: 2022-06-07
Anticipated expiration: 2031-12-24

Abstract

The utility model provides a protective box body for a molded case circuit breaker, which relates to the technical field of the molded case circuit breaker and comprises a shell, wherein a mounting groove is formed in the front side wall of the shell, a baffle matched with the mounting groove is rotatably arranged on the front side wall of the shell, a circuit breaker mounting frame is arranged in the shell, a screw rod is rotatably inserted into the bottom wall in the mounting groove, the circuit breaker mounting frame is arranged on the screw rod in a threaded manner, a guide rod is fixedly connected between the top wall and the bottom wall in the mounting groove, and the guide rod movably penetrates through the circuit breaker mounting frame. According to the utility model, the breaker mounting rack, the screw rod, the handle and the guide rod are adopted, when the breaker mounting rack needs to be subjected to height adjustment, the handle is rotated to drive the screw rod to rotate, the guide rod carries out limiting and guiding on the breaker mounting rack, so that the screw rod drives the breaker mounting rack to carry out height adjustment, the actual requirement is conveniently met, and the molded case circuit breaker is arranged at a proper position.

Description

Protection box body for molded case circuit breaker

Technical Field

The utility model relates to the technical field of molded case circuit breakers, in particular to a protective box body for a molded case circuit breaker.

Background

The molded case circuit breaker can automatically cut off current after the current exceeds a trip setting, the molded case circuit breaker refers to a case which uses a plastic insulator as a device and is used for isolating conductors and grounding metal parts, the molded case circuit breaker is also called a device type circuit breaker, all parts are sealed in the plastic case, and an auxiliary contact, an undervoltage release, a shunt release and the like are modularized.

The circuit breaker sets up at the inside use of block terminal usually, but current box body installs the back to the circuit breaker, and unable convenient height-adjusting leads to using inconveniently, and the thermovent is inconvenient clean, leads to blockking up easily after using for a long time like this, and the radiating effect is not good, causes the influence to inside moulded case circuit breaker's use.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art, and provides a protective box body for a molded case circuit breaker.

In order to achieve the purpose, the utility model adopts the following technical scheme: the utility model provides a protection box body for moulded case circuit breaker, includes the shell, the mounting groove has been seted up to the lateral wall before the shell, the lateral wall rotates before the shell and is provided with the baffle that matches with the mounting groove, the inside circuit breaker mounting bracket that is equipped with of shell, the bottom wall rotates in the mounting groove and inserts and be equipped with the screw rod, circuit breaker mounting bracket screw thread sets up on the screw rod, fixedly connected with guide arm between roof and the bottom wall in the mounting groove, the guide arm activity runs through the setting of circuit breaker mounting bracket.

Preferably, the upper end of the screw rod penetrates through the outer part of the shell and is fixedly connected with a handle.

Preferably, the top of the shell is provided with a heat dissipation port, and the heat dissipation port is provided with a heat dissipation breathable net.

Preferably, the top of the shell is provided with a fixing assembly for fixing a heat-dissipation breathable net, the fixing assembly comprises a first connecting piece and a second connecting piece which are fixedly connected to the top of the shell, a pressing block is connected to the first connecting piece in a rotating mode, a stud is fixedly connected to one end of the pressing block, one end of the stud penetrates through the second connecting piece, and a nut is sleeved on the stud in a threaded arrangement mode.

Preferably, the top of the shell is provided with a plurality of equidistant wire holes, and the inside of each wire hole is inserted with a threaded plug in a threaded manner.

Preferably, the baffle is fixedly connected with a protrusion, and the protrusion is located at the lower edge of the baffle.

Advantageous effects

1. According to the utility model, the breaker mounting frame, the screw rod, the handle and the guide rod are adopted, when the breaker mounting frame is required to be subjected to height adjustment, the handle is rotated to drive the screw rod to rotate, and the guide rod is used for limiting and guiding the breaker mounting frame, so that the screw rod drives the breaker mounting frame to be subjected to height adjustment, the actual requirement is conveniently met, and the molded case circuit breaker is arranged at a proper position.

2. According to the utility model, the heat-dissipation breathable net and the fixing assembly are adopted, when the heat-dissipation breathable net needs to be disassembled, the nut is unscrewed from the stud, then the pressing block is rotated, so that the pressing block is separated from the heat-dissipation breathable net, and at the moment, the heat-dissipation breathable net is taken out from the inner part of the heat-dissipation port, so that the heat-dissipation breathable net can be cleaned, dust on the surface is removed, and good ventilation and heat dissipation performance is achieved.

Drawings

Fig. 1 is a front perspective view of a protection case for a molded case circuit breaker according to the present invention;

fig. 2 is a bottom perspective view of a protection case for a molded case circuit breaker according to the present invention;

fig. 3 is an enlarged structural view of a portion a of fig. 1.

Illustration of the drawings:

1. a housing; 2. a baffle plate; 3. a handle; 4. a heat dissipation breathable net; 5. a threaded plug; 6. a fixing assembly; 61. a first connecting member; 62. a second connecting member; 63. a nut; 64. briquetting; 65. a stud; 7. a screw; 8. a circuit breaker mounting bracket; 9. a guide bar; 10. a heat dissipation port; 11. a wire hole; 12. mounting grooves; 13. and (4) protruding.

Detailed Description

In order to make the technical means, the original characteristics, the achieved purposes and the effects of the utility model easily understood, the utility model is further described below with reference to the specific embodiments and the attached drawings, but the following embodiments are only the preferred embodiments of the utility model, and not all embodiments. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative efforts belong to the protection scope of the present invention.

Specific embodiments of the present invention are described below with reference to the accompanying drawings.

DETAILED DESCRIPTION OF EMBODIMENT (S) OF INVENTION

Referring to fig. 1-3, a protection box body for moulded case circuit breaker, including shell 1, mounting groove 12 has been seted up to the lateral wall before shell 1, the lateral wall rotates and is provided with baffle 2 that matches with mounting groove 12 before shell 1, the inside circuit breaker mounting bracket 8 that is equipped with of shell 1, the bottom wall rotates to insert in mounting groove 12 and is equipped with

screw rod

7, 8 threads of circuit breaker mounting bracket are set up on screw rod 7, fixedly connected with guide arm 9 between roof and the bottom wall in mounting groove 12, the activity of guide arm 9 runs through the setting of circuit breaker mounting bracket 8, the upper end of screw rod 7 runs through to shell 1 outside and fixedly connected with handle 3.

When needs carry out altitude mixture control to circuit breaker mounting bracket 8, rotate this handle 3, drive screw rod 7 and rotate, guide arm 9 is to the spacing direction of 8 of circuit breaker mounting brackets to screw rod 7 drives circuit breaker mounting bracket 8 and carries out altitude mixture control, is convenient for like this satisfy the actual need, uses and sets up moulded case circuit breaker in suitable position.

The top of the shell 1 is provided with a heat dissipation port 10, and a heat dissipation breathable net 4 is arranged at the heat dissipation port 10.

Can realize giving off the heat of the inside production of shell 1 on the one hand through setting up heat dissipation ventilative net 4, on the other hand can realize dustproof function, avoids the dust to get into inside shell 1.

The top of the shell 1 is provided with a fixing component 6 for fixing the heat dissipation breathable net 4, the fixing component 6 comprises a first connecting piece 61 and a second connecting piece 62 which are fixedly connected to the top of the shell 1, a pressing block 64 is rotatably connected to the first connecting piece 61, a stud 65 is fixedly connected to one end of the pressing block 64, one end of the stud 65 penetrates through the second connecting piece 62, and a nut 63 is sleeved on the stud 65 through threads.

When the heat dissipation breathable net 4 needs to be disassembled, the nut 63 is unscrewed from the stud 65, and then the pressing block 64 is rotated, so that the pressing block 64 is separated from the heat dissipation breathable net 4, the heat dissipation breathable net 4 is taken out from the inside of the heat dissipation port 10 at the moment, the heat dissipation breathable net 4 can be cleaned, dust on the surface is removed, and good ventilation and heat dissipation performance is achieved.

The top of the shell 1 is provided with a plurality of equidistant wire holes 11, and the inner threads of the wire holes 11 are inserted with the thread plugs 5.

The threading work can be realized by providing the thread hole 11, and the thread plug 5 can seal the thread hole 11.

The baffle plate 2 is fixedly connected with a bulge 13, and the bulge 13 is positioned at the lower edge of the baffle plate 2.

The shutter 2 is opened by the operation protrusion 13, thereby facilitating the operation of the inside of the housing 1.

The foregoing shows and describes the general principles, essential features, and advantages of the utility model. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a protection box body for moulded case circuit breaker, a serial communication port, including shell (1), mounting groove (12) have been seted up to lateral wall before shell (1), lateral wall rotates baffle (2) that are provided with and match mounting groove (12) before shell (1), shell (1) inside is equipped with circuit breaker mounting bracket (8), the bottom wall rotates in mounting groove (12) and inserts and is equipped with screw rod (7), circuit breaker mounting bracket (8) screw thread sets up on screw rod (7), fixedly connected with guide arm (9) between roof and the bottom wall in mounting groove (12), circuit breaker mounting bracket (8) setting is run through in guide arm (9) activity.

2. A protective case for a molded case circuit breaker according to claim 1, wherein an upper end of the screw (7) penetrates to an outside of the case (1) and is fixedly connected with a handle (3).

3. The protective box body for the molded case circuit breaker according to claim 1, wherein a heat dissipating port (10) is opened at a top of the outer case (1), and a heat dissipating ventilation net (4) is disposed at the heat dissipating port (10).

4. The protective box body for the molded case circuit breaker according to claim 3, wherein a fixing assembly (6) for fixing the heat dissipation and ventilation net (4) is arranged at the top of the outer shell (1), the fixing assembly (6) comprises a first connecting piece (61) and a second connecting piece (62) which are fixedly connected to the top of the outer shell (1), a pressing block (64) is rotatably connected to the first connecting piece (61), a stud (65) is fixedly connected to one end of the pressing block (64), one end of the stud (65) penetrates through the second connecting piece (62), and a nut (63) is sleeved on the stud (65) in a threaded manner.

5. The protective case body for the molded case circuit breaker according to claim 1, wherein a plurality of wire holes (11) are formed at the top of the outer case (1) at equal intervals, and a screw plug (5) is inserted into the wire holes (11) through a screw thread.

6. A protective case for a molded case circuit breaker according to claim 1, wherein a protrusion (13) is fixedly connected to the barrier (2), and the protrusion (13) is located at a lower edge of the barrier (2).