CN114613646B

CN114613646B - Plastic case circuit breaker with quick mounting structure

Info

Publication number: CN114613646B
Application number: CN202210231829.7A
Authority: CN
Inventors: 袁传学
Original assignee: Haoshun Yunji Chongqing Technology Co ltd; Chongqing Concrete Shande Machinery Co ltd
Current assignee: Chongqing Concrete Shande Machinery Co ltd; Haoshun Yunji Chongqing Technology Co ltd
Priority date: 2022-03-10
Filing date: 2022-03-10
Publication date: 2023-06-27
Anticipated expiration: 2042-03-10
Also published as: CN114613646A

Abstract

The invention provides a plastic shell breaker with a quick mounting structure, which relates to the technical field of plastic shell breakers and comprises a plastic shell breaker body, wherein an operation handle is arranged on the front surface of the plastic shell breaker body, two support plates are arranged on the rear surface of the plastic shell breaker body, a clamping block is mounted in a clamping groove through a fixing component, a radiating hole is formed in the side surface of the plastic shell breaker body, a dust screen is mounted in the radiating hole through a mounting component.

Description

Plastic case circuit breaker with quick mounting structure

Technical Field

The invention relates to the technical field of molded case circuit breakers, in particular to a molded case circuit breaker with a rapid mounting structure.

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. Molded case circuit breakers typically contain a thermo-magnetic trip unit, while large sized molded case circuit breakers are equipped with solid state trip sensors. The tripping unit is divided into a thermomagnetic tripping device and an electronic tripping device, such as a molded case circuit breaker with a mechanical interlocking device in CN201510601423.3, and comprises: the mechanical interlocking device comprises a mechanism lock and an interlocking mechanism, wherein the two sides of the interlocking mechanism are fixedly connected with the first molded case circuit breaker and the second molded case circuit breaker respectively, a sliding cavity is formed in the interlocking mechanism, the mechanism lock is arranged in the sliding cavity and can slide left and right, the mechanism lock is arranged above the handle in an open state, after the mechanism lock slides left, the handle of the first molded case circuit breaker can be blocked, and after the mechanism lock slides right, the handle of the second molded case circuit breaker can be blocked. The structure of the invention can be realized: 1. the left side and the right side are simultaneously opened; 2. the left side is opened and the right side is closed; 3. the right opening and closing device is convenient to operate and simple in structure, and solves the problem that two paths of power supplies are not powered simultaneously.

In the above technical scheme, when installing the molded case circuit breaker, the molded case circuit breaker is installed on a proper position through a plurality of bolts, but the molded case circuit breaker needs to be maintained regularly, and if the molded case circuit breaker is fixed through the bolts, when the molded case circuit breaker is dismounted or reinstalled, the process is more complicated, the pulling strength of staff can be increased, and the maintenance efficiency of the molded case circuit breaker can be reduced.

Disclosure of Invention

(one) solving the technical problems

Aiming at the defects of the prior art, the invention provides the molded case circuit breaker with the rapid mounting structure, which solves the problems that when the molded case circuit breaker is mounted, the molded case circuit breaker is mounted at a proper position by a plurality of bolts, but the molded case circuit breaker needs to be maintained regularly, and if the molded case circuit breaker is fixed by the bolts, the process is complicated when the molded case circuit breaker is dismounted or remounted, the pulling strength of staff is increased, and the maintenance efficiency of the molded case circuit breaker is reduced.

(II) technical scheme

In order to achieve the above purpose, the invention is realized by the following technical scheme that the plastic case breaker with the rapid installation structure comprises a plastic case breaker body, the front surface of the plastic case breaker body is provided with an operation handle, the upper end and the lower end of the plastic case breaker body are respectively provided with a circuit connecting groove, the surface of the plastic case breaker body is provided with an installation groove, the inner surface of the installation groove is provided with a circuit fixing hole, the rear surface of the plastic case breaker body is provided with two support plates, the two support plates are connected through a reinforcing rod, the rear surface of the plastic case breaker body is provided with two fixing blocks, the side surfaces of the two fixing blocks are fixedly provided with clamping blocks, the two support plates are respectively provided with a fixing groove, the two side inner walls of the fixing grooves are respectively provided with a clamping groove, the fixing blocks are arranged in the fixing grooves, the clamping blocks are arranged in the fixing grooves through fixing components, the fixing components comprise sliding grooves, gears, first sliding plates, second sliding plates and perforation holes, the sliding grooves are arranged in the support plates, the inner surfaces of the sliding components are arranged on the inner surfaces of the support plates, the sliding components are arranged in the sliding grooves, and the inner side surfaces of the sliding components are arranged in the sliding grooves.

Preferably, mounting plates are mounted on the two support plates, and mounting holes are formed in each mounting plate.

Preferably, the mounting sleeve is arranged inside the heat dissipation hole, and the dust screen is arranged between the inner walls of the mounting sleeve.

Preferably, the side surface of the mounting sleeve is provided with external threads, and the external threads are in meshed connection with the internal threads.

Preferably, the front surface of the dust screen is fixedly provided with a rotating rod.

Preferably, the side plate is arranged on the upper surface of the first sliding plate, the first spring is arranged on the side plate, one end of the first spring is arranged on the inner wall of the supporting plate, the side plate and the second sliding plate are both provided with fixing columns on the surfaces close to each other, and the fixing columns penetrate through the through holes and are arranged in the fixing holes.

Preferably, a guide rod is installed at one end of the first sliding plate, the guide rod movably penetrates through the supporting plate, and the top ends of the two guide rods are connected through a pull plate.

Preferably, the lower surface of the first sliding plate is fixedly provided with a sliding block, and the sliding block is slidably arranged in the sliding groove.

Preferably, a second spring is fixedly arranged at the other end of the first sliding plate, and one end of the second spring is arranged on the inner wall of the supporting plate.

Preferably, the toothed plate is fixedly arranged at the lower end of the second sliding plate, a plurality of second gear teeth are equidistantly arranged on the lower surface of the toothed plate, a plurality of first gear teeth are equidistantly arranged on the upper surface of the first sliding plate, and the first gear teeth and the second gear teeth are both meshed and connected with the gears.

(III) beneficial effects

The invention provides a molded case circuit breaker with a quick mounting structure. The beneficial effects are as follows:

1. through the pulling arm to can pulling the guide bar, thereby can pulling first slide, make the curb plate remove backward, and when first slide is moving, can make first teeth of a cogwheel remove, thereby can drive the gear and rotate, when the gear rotates, thereby can drive the second teeth of a cogwheel and remove to the opposite direction of first teeth of a cogwheel, thereby can drive second slide and first slide to remove to opposite direction, thereby can make the fixed column break away from perforation inside, set up the fixed block at fixed slot inside this moment, set up the fixture block inside the draw-in groove, loose the arm at this moment, through the elasticity of first spring and second spring, thereby can make first slide reset, thereby can make the fixed column reset, thereby can reset the fixed column to the fixed orifices inside, thereby fix the fixture block inside the draw-in groove, thereby can install the moulded case circuit breaker body in the backup pad, otherwise, then can take out moulded case circuit breaker body from the backup pad, this device installs and dismantles the process is simple and convenient for the staff to drop the circuit breaker, and the device can be dismantled to the stability condition can appear.

2. Through being provided with the louvre in moulded case circuit breaker body side, can play the radiating effect when this device works, through set up the dust screen in the louvre inside, can prevent that there is dust or other foreign matter from entering into inside this device, thereby influence the practicality of this device, and when the dust screen dust is too much need dismantle abluent, at first through rotating the bull stick, thereby can rotate the installation cover, and because the installation is sheathe in and is provided with the external screw thread, external screw thread and internal thread meshing are connected, when the installation cover rotates, can drop from the louvre inside, thereby can wash the dust screen.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present invention;

FIG. 2 is a schematic side view of the present invention;

fig. 3 is a schematic view of a molded case circuit breaker body according to the present invention;

FIG. 4 is a schematic view showing the internal structure of the support plate according to the present invention;

FIG. 5 is a schematic view of a first skateboard structure according to the present invention;

FIG. 6 is a schematic view of a support plate structure according to the present invention;

fig. 7 is a schematic view of the structure of the mounting sleeve according to the present invention.

1, a molded case circuit breaker body; 2. an operation handle; 3. a line connection groove; 4. a mounting groove; 5. a line fixing hole; 6. pulling a plate; 7. a support plate; 8. a mounting plate; 9. a mounting hole; 10. a fixing assembly; 1001. a fixing hole; 1002. a guide rod; 1003. a first spring; 1004. a side plate; 1005. fixing the column; 1006. a first slide plate; 1007. perforating; 1008. a second slide plate; 1009. a toothed plate; 1010. a chute; 1011. a first gear tooth; 1012. a gear; 1013. a second gear tooth; 1014. a second spring; 1015. a slide block; 11. a dust screen; 12. a mounting assembly; 1201. an internal thread; 1202. a mounting sleeve; 1203. an external thread; 1204. a rotating rod; 13. a heat radiation hole; 14. a reinforcing rod; 15. a fixed block; 16. a clamping block; 17. a fixing groove; 18. a clamping groove.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

Examples:

as shown in fig. 1 to 7, the embodiment of the invention provides a plastic case circuit breaker with a quick mounting structure, which comprises a plastic case circuit breaker body 1, wherein the front surface of the plastic case circuit breaker body 1 is provided with an operation handle 2, both the upper end and the lower end of the plastic case circuit breaker body 1 are respectively provided with a circuit connecting groove 3, the surface of the plastic case circuit breaker body 1 is provided with a mounting groove 4, the inner surface of the mounting groove 4 is provided with a circuit fixing hole 5, the rear surface of the plastic case circuit breaker body 1 is provided with two support plates 7, the two support plates 7 are connected through reinforcing rods 14, the rear surface of the plastic case circuit breaker body 1 is provided with two fixing blocks 15, the side surfaces of the two fixing blocks 15 are respectively fixedly provided with a clamping block 16, the two support plates 7 are respectively provided with a fixing groove 17, the inner walls on both sides of the fixing grooves 17 are respectively provided with a clamping groove 18, the fixing blocks 15 are arranged inside the fixing grooves 17, the clamping blocks 16 are respectively installed inside the fixing grooves 18, the inner walls of the fixing grooves 10 are respectively, the fixing blocks 16 are respectively installed inside the clamping grooves 18, the inner surfaces of the fixing grooves 10 are respectively, the fixing assemblies 10 are respectively provided with a gear 1010, the gear 1006 are respectively arranged inside the inner side surfaces of the sliding plate, the sliding plate is arranged inside the sliding plate, the sliding plate is provided with a heat dissipation assembly 1201, the sliding plate is arranged on the inner surface of the sliding plate is provided with a first side surface of the sliding plate, and is provided with a second sliding plate, and is provided with a sliding plate, and a heat dissipation plate, and is provided with a rolling device, and a dust.

It should be noted that, mounting plates 8 are mounted on both the support plates 7, and each of the mounting plates 8 is provided with a mounting hole 9, and when the device needs to be mounted, the support plates are first mounted in a suitable position by passing bolts through the mounting holes 9 on the mounting plates 8.

The installation sleeve 1202 is arranged inside the heat dissipation hole 13, the dust screen 11 is arranged between the inner walls of the installation sleeve 1202, the outer threads 1203 are arranged on the side face of the installation sleeve 1202, the outer threads 1203 are meshed with the inner threads 1201, the rotating rod 1204 is fixedly arranged on the front surface of the dust screen 11, the heat dissipation effect can be achieved when the installation sleeve 1202 works through the heat dissipation hole 13 arranged on the side face of the molded case circuit breaker body 1, dust or other foreign matters can be prevented from entering the installation through the dust screen 11 arranged inside the heat dissipation hole 13, the practicality of the installation is affected, and when the dust screen 11 is excessively required to be disassembled and cleaned, the rotating rod 1204 is rotated, so that the installation sleeve 1202 can be rotated, and because the outer threads 1203 are arranged on the installation sleeve 1202, the outer threads 1203 are meshed with the inner threads 1201, when the installation sleeve 1202 rotates, the installation sleeve can fall from the inside the heat dissipation hole 13, and the dust screen 11 can be cleaned.

It can be understood that the upper surface of the first sliding plate 1006 is provided with a side plate 1004, a first spring 1003 is installed on the side plate 1004, one end of the first spring 1003 is installed on the inner wall of the supporting plate 7, the side surfaces of the side plate 1004 and the second sliding plate 1008, which are close to each other, are provided with fixing posts 1005, the fixing posts 1005 pass through the through holes 1007 and are arranged in the fixing holes 1001, one end of the first sliding plate 1006 is provided with a guide rod 1002, the guide rod 1002 movably passes through the supporting plate 7, the top ends of the two guide rods 1002 are connected through a pull plate 6, the lower surface of the first sliding plate 1006 is fixedly provided with a sliding block 1015, the sliding block 1015 is slidably installed in the sliding groove 1010, the other end of the first sliding plate 1006 is fixedly provided with a second spring 1014, one end of the second spring 1014 is installed on the inner wall of the supporting plate 7, the lower end of the second sliding plate 1008 is fixedly provided with a toothed plate 1009, the lower surface of the toothed plate 1009 is provided with a plurality of second gear teeth 1013 at equal intervals, the upper surface of the first slide plate 1006 is provided with a plurality of first gear teeth 1011 at equal intervals, the first gear teeth 1011 and the second gear teeth 1013 are both engaged with and connected with the gear 1012, the guide rod 1002 can be pulled by pulling the pull plate 6, so that the first slide plate 1006 can be pulled to move the side plate 1004 backwards, and when the first slide plate 1006 moves, the first gear teeth 1011 can be moved to drive the gear 1012 to rotate, when the gear 1012 rotates, the second gear teeth 1013 can be driven to move in the opposite direction of the first gear teeth 1011, so that the second slide plate 1008 and the first slide plate 1006 can be driven to move in the opposite direction, so that the fixed column 1005 can be separated from the inside of the through hole 1007, at this time, the fixed block 15 is arranged inside the fixed groove 17, the clamping block 16 is arranged inside the clamping groove 18, at this time, the pulling plate 6 is loosened, the first sliding plate 1006 can be reset through the elasticity of the first spring 1003 and the second spring 1014, so that the fixing column 1005 can be reset, the fixing column 1005 can be reset to the inside of the fixing hole 1001, the clamping block 16 is fixed in the clamping groove 18, the molded case circuit breaker body 1 can be installed on the supporting plate 7, otherwise, the molded case circuit breaker body 1 can be taken out from the supporting plate 7, the installation and disassembly processes of the device are simple, the molded case circuit breaker body 1 can be disassembled and maintained by a worker conveniently, the device is good in stability, and the falling condition can not occur.

Working principle: the operation handle 2 is arranged on the front surface of the molded case circuit breaker body 1, so that whether the device works can be controlled, the line fixing hole 5 is arranged in the installation groove 4, the installation and the fixing of a connecting line can be facilitated, the radiating hole 13 is arranged on the side surface of the molded case circuit breaker body 1, the radiating effect can be achieved when the device works, the dust screen 11 is arranged in the radiating hole 13, dust or other foreign matters can be prevented from entering the device, the practicability of the device is affected, and when excessive dust on the dust screen 11 needs to be disassembled and cleaned, the installation sleeve 1202 can be rotated by rotating the rotating rod 1204 at first, and because the external thread 1203 is arranged on the installation sleeve 1202 and is meshed with the internal thread 1201, when the installation sleeve 1202 rotates, the dust screen can fall from the inside of the radiating hole 13, the dust screen 11 can be cleaned, the dust screen 11 is easy to mount, the operation of workers is convenient, when the device is required to be mounted, firstly, the supporting plate is mounted at a proper position by penetrating the mounting holes 9 on the mounting plate 8 through bolts, at the moment, the guide rod 1002 can be pulled by pulling the pull plate 6, the first slide plate 1006 can be pulled, the side plate 1004 moves backwards, the first gear teeth 1011 can be moved when the first slide plate 1006 moves, the gear 1012 can be driven to rotate, the second gear teeth 1013 can be driven to move in the opposite direction of the first gear teeth 1011 when the gear 1012 rotates, the second slide plate 1008 and the first slide plate 1008 can be driven to move in the opposite direction, the fixing column 1005 can be separated from the inside of the through hole 1007, at this time, the fixing block 15 is arranged inside the fixing groove 17, the clamping block 16 is arranged inside the clamping groove 18, the pulling plate 6 is loosened at this time, the first sliding plate 1006 can be reset through the elasticity of the first spring 1003 and the second spring 1014, the fixing column 1005 can be reset to the inside of the fixing hole 1001, the clamping block 16 is fixed inside the clamping groove 18, the molded case circuit breaker body 1 can be installed on the supporting plate 7, otherwise, the molded case circuit breaker body 1 can be taken out from the supporting plate 7, the installation and the disassembly processes of the device are simple and convenient, the molded case circuit breaker body 1 can be disassembled and maintained by a worker conveniently, the device has good stability, and the falling condition can not occur.

Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a moulded case circuit breaker with quick mounting structure, includes moulded case circuit breaker body (1), its characterized in that: the plastic case circuit breaker comprises a plastic case circuit breaker body (1), wherein an operation handle (2) is arranged on the front surface of the plastic case circuit breaker body (1), circuit connecting grooves (3) are formed in the upper end and the lower end of the plastic case circuit breaker body (1), mounting grooves (4) are formed in the surfaces of the plastic case circuit breaker body (1), circuit fixing holes (5) are formed in the inner surfaces of the mounting grooves (4), two supporting plates (7) are arranged on the rear surface of the plastic case circuit breaker body (1), two supporting plates (7) are connected through reinforcing rods (14), two fixing blocks (15) are arranged on the rear surface of the plastic case circuit breaker body (1), clamping blocks (16) are fixedly arranged on the side surfaces of the two fixing blocks (15), fixing grooves (17) are formed in the two side walls of the two supporting plates (7), clamping grooves (18) are formed in the inner walls of the two sides of the fixing grooves (17), the fixing blocks (15) are arranged in the fixing grooves (17), the clamping blocks (16) are arranged in the fixing grooves (18) through fixing components (10), the fixing components (10) comprise two fixing blocks (1010), a gear (1010), a sliding plate (1012) and a rotating plate (1012) are arranged on the inner wall (1012), the first slide plate (1006) is slidably mounted on the inner surface of the support plate (7), the second slide plate (1008) is slidably mounted on the inner upper surface of the support plate (7), the through holes (1007) are formed in the inner surface of the clamping grooves (18), a side plate (1004) is mounted on the upper surface of the first slide plate (1006), a first spring (1003) is mounted on the side plate (1004), one end of the first spring (1003) is mounted on the inner wall of the support plate (7), fixing columns (1005) are mounted on the surfaces, close to each other, of the side plate (1004) and the second slide plate (1008), the fixing columns (1005) are arranged in the fixing holes (1001) through the through holes (1007), one end of the first slide plate (1006) is provided with a guide rod (1002), the guide rod (1002) movably passes through the support plate (7), the top ends of the two guide rods (1002) are connected through a pulling plate (6), a sliding block (1015) is fixedly mounted on the lower surface of the first slide plate (1006), the sliding block (1015) is slidably mounted inside the sliding block (1010), the first end of the first slide plate (1006) is provided with a second spring (1008), the second end (1014) is fixedly mounted on the second inner wall (1008), the utility model discloses a plastic case breaker, including pinion rack (1009), pinion rack (1009) lower surface equidistance is provided with a plurality of second teeth of a cogwheel (1013), first slide (1006) upper surface equidistance is provided with a plurality of first teeth of a cogwheel (1011), first teeth of a cogwheel (1011) all are connected with gear (1012) meshing, plastic case breaker body (1) side is provided with louvre (13), dust screen (11) is installed through installation component (12) inside louvre (13), installation component (12) include internal thread (1201), installation cover (1202), internal thread (1201) set up at louvre (13) internal surface, two all install mounting panel (8) on backup pad (7), every all be provided with mounting hole (9) on mounting panel (8).

2. A molded case circuit breaker with quick-attach structure as in claim 1 wherein: the installation sleeve (1202) is arranged inside the radiating hole (13), and the dustproof net (11) is arranged between the inner walls of the installation sleeve (1202).

3. A molded case circuit breaker with quick-attach structure as in claim 1 wherein: the side surface of the mounting sleeve (1202) is provided with external threads (1203), and the external threads (1203) are connected with the internal threads (1201) in a meshed mode.

4. A molded case circuit breaker with quick-attach structure as in claim 1 wherein: the front surface of the dustproof net (11) is fixedly provided with a rotating rod (1204).