Shell structure of leakage protection circuit breaker

Abstract

The utility model discloses an earth leakage protection circuit breaker housing structure, and specifically relates to the circuit breaker housing technology field, the earth leakage protection circuit breaker housing structure comprises a circuit breaker housing, the front end of the circuit breaker housing is provided with an adjusting hole, the top end and the bottom end of the circuit breaker housing are provided with wiring ports, the front end of the circuit breaker housing is hinged with a protection cover, and the protection cover is provided with an opening. The protection cover is arranged on the outer side of the adjusting hole in a sleeving mode and used for sealing the adjusting hole, and a vertical plate is fixedly arranged at the top of the protection cover. The protective cover is hinged to the front end of the circuit breaker shell, the protective cover is used for covering the outer side of the adjusting hole, so that the protective effect can be achieved on the outer side of the adjusting hole, and when a worker needs to toggle an adjusting button on the leakage protection circuit breaker, the worker pulls out the rubber sealing plug firstly and then pulls out the rubber sealing plug. And then the pull ring and the pull rod are pulled to drive the insertion rod to move out of the insertion hole, the protection cover can be turned over to open, the adjusting button is shifted, and the protection cover is closed again after not in use, so that the normal use of the leakage protection circuit breaker can be prevented from being influenced by mistakenly touching the adjusting button by personnel.

Description

Technical Field

[0001] The utility model relates to the technical field of circuit breaker casings, in particular to a leakage protection circuit breaker casing structure. Background Art

[0002] RCBO (Residual Current Operated Circuit Breaker) is a type of leakage protection circuit breaker. Specifically, RCBO is a device used for electrical line protection, mainly used for electrical lines with leakage risks. RCBO has overcurrent protection function and more comprehensive functions. When selecting and using RCBO, you should choose brand products sold through formal channels and have the CCC certification mark. Depending on the place of use, the installation requirements of the circuit breaker are also different. With the continuous improvement of the safety of the use of leakage protection circuit breakers, the quality of the leakage protection circuit breaker casing is particularly important. The casing is usually used to protect the leakage protection circuit breaker circuit board, internal components, and installation and use.

[0003] For example, the prior art announcement number is CN211929406U, which is a leakage circuit breaker housing structure. The utility model forms a leakage circuit breaker housing structure by splicing a left cover, a middle cover, a right cover and an operating handle together, thereby preventing damage to the circuit board and internal components and facilitating the production of the leakage circuit breaker.

[0004] However, the above-mentioned prior art still has the following problems when in use: the adjustment hole at the front end of the existing circuit breaker housing is usually exposed to the outside, so when the lever is placed for use, the lever is easily touched, which affects the normal use of the circuit breaker. Based on this, the utility model provides a leakage protection circuit breaker housing structure with a protective structure. Utility Model Content

[0005] In order to overcome the above-mentioned defects of the prior art, the utility model provides a leakage protection circuit breaker housing structure, which plays a protective role through a protective cover on the outside of the adjustment hole. When the staff needs to turn the adjustment button on the leakage protection circuit breaker, the staff first pulls out the rubber sealing plug, and then pulls the pull ring and the pull rod to drive the insertion rod to move out of the insertion hole, and then flips open the protective cover to turn the adjustment button. After not in use, the protective cover is closed again, so as to prevent people from accidentally touching the adjustment button and affecting the normal use of the leakage protection circuit breaker, so as to solve the problems arising from the above-mentioned background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a leakage protection circuit breaker housing structure, comprising a circuit breaker housing, an adjustment hole is provided at the front end of the circuit breaker housing, wiring ports are provided at the top and bottom of the circuit breaker housing, a protective cover is hinged at the front end of the circuit breaker housing, the protective cover is sleeved on the outside of the adjustment hole and is used to seal the adjustment hole, a vertical plate is fixedly provided on the top of the protective cover, a plug block is fixedly provided at the rear end of the vertical plate, a slot matched with the plug block is provided at the front end of the circuit breaker housing, the plug block is arranged in the slot, an installation groove is provided on one side of the slot, a round rod is fixedly provided inside the installation groove, a round hole is provided inside the round rod, a plug rod is slidably provided in the round hole, a plug hole is provided on the side of the plug block close to the round rod, the plug rod is inserted in the plug hole, and the plug block is easy to remove.

[0007] In a preferred embodiment, a compression spring is fixed to one end of the round rod away from the insertion rod. The compression spring is fixed to the inner wall of the round hole at the end away from the insertion rod and is used to push the insertion rod to be plugged into the socket, thereby improving the firmness between the insertion rod and the insertion block.

[0008] In a preferred embodiment, a pull rod is fixedly provided at one end of the insertion rod away from the insertion hole, and one end of the pull rod passes through a compression spring and a round rod, so that the staff can pull the insertion rod to disassemble the insertion block.

[0009] In a preferred embodiment, a receiving groove is provided on an outer wall of one side of the circuit breaker housing, one end of the pull rod passes through the circuit breaker housing and extends into the receiving groove, and a pull ring is movably provided on the pull rod to facilitate the staff to better pull the pull rod.

[0010] In a preferred embodiment, a rubber sealing plug is inserted into the storage groove, and a circular groove is formed in the rubber sealing plug near one end of the pull rod. The pull rod and the pull ring are arranged inside the circular groove. The pull rod and the pull ring are arranged in the circular groove, so as to avoid the pull rod and the pull ring hindering the installation of the rubber sealing plug.

[0011] In a preferred embodiment, the outer side wall surface of the rubber sealing plug is processed with anti-slip grooves to increase the friction of the surface of the rubber sealing plug.

[0012] In a preferred embodiment, both sides of the front end of the protective cover are chamfered to prevent the edge of the protective cover from scratching the palms of the staff.

[0013] Technical effects and advantages of the utility model:

[0014] The utility model has a protective cover hinged on the front end of the circuit breaker housing, and the protective cover is used to cover the outside of the adjustment hole, so that the outside of the adjustment hole can play a protective role. When a worker needs to turn the adjustment button on the leakage protection circuit breaker, the worker first pulls out the rubber sealing plug, and then pulls the pull ring and the pull rod to drive the insertion rod to move out of the insertion hole, and then the protective cover can be flipped open to turn the adjustment button. After not in use, the protective cover is closed again, so that the worker can avoid accidentally touching the adjustment button and affecting the normal use of the leakage protection circuit breaker. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0016] Figure 2 This is a schematic diagram of the protective cover of the utility model being flipped open;

[0017] Figure 3 It is a partial cross-sectional view of the circuit breaker housing of the utility model;

[0018] Figure 4 It is a cross-sectional view of a round rod of the utility model;

[0019] Figure 5 It is a bottom view of the overall structure of the utility model;

[0020] Figure 6 This is a structural diagram of the rubber sealing plug and the circuit breaker housing of the utility model.

[0021] The accompanying drawings are marked as follows: 1. circuit breaker housing; 2. adjustment hole; 3. wiring port; 4. protective cover; 5. vertical plate; 6. plug block; 7. slot; 8. mounting groove; 9. round rod; 10. round hole; 11. plug rod; 12. plug hole; 13. compression spring; 14. pull rod; 15. storage groove; 16. rubber sealing plug; 17. circular groove; 18. anti-slip pattern. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] Refer to the instruction manual Figure 1-6The utility model provides a leakage protection circuit breaker housing structure, including a circuit breaker housing 1, an adjustment hole 2 is provided at the front end of the circuit breaker housing 1, and wiring ports 3 are provided at the top and bottom of the circuit breaker housing 1. A protective cover 4 is hinged at the front end of the circuit breaker housing 1, and both sides of the front end of the protective cover 4 are chamfered to prevent the edge of the protective cover 4 from scratching the palm of the staff. The protective cover 4 is sleeved on the outside of the adjustment hole 2 for sealing the adjustment hole 2. A vertical plate 5 is fixedly provided on the top of the protective cover 4, and a plug block 6 is fixedly provided at the rear end of the vertical plate 5. A slot 7 adapted to the plug block 6 is provided at the front end of the circuit breaker housing 1, and the plug block 6 is arranged in the slot 7. A mounting groove 8 is provided on one side of the slot 7, and a round rod 9 is fixedly provided inside the mounting groove 8. A round hole 10 is provided inside the round rod 9, and a plug rod 11 is slidably provided in the round hole 10. A plug hole 12 is provided on the side of the plug block 6 close to the round rod 9, and the plug rod 11 is inserted in the plug hole 12, so as to facilitate the removal of the plug block 6.

[0024] In addition, a compression spring 13 is fixedly provided at one end of the round rod 9 away from the insertion rod 11, and the compression spring 13 is fixed to the inner wall of the round hole 10 at one end away from the insertion rod 11, and is used to push the insertion rod 11 to be plugged into the insertion hole 12, so as to improve the firmness between the insertion rod 11 and the insertion block 6. A pull rod 14 is fixedly provided at one end of the insertion rod 11 away from the insertion hole 12, and one end of the pull rod 14 passes through the compression spring 13 and the round rod 9, so that the staff can pull the insertion rod 11 to disassemble the insertion block 6 conveniently;

[0025] Moreover, a receiving groove 15 is provided on the outer wall of one side of the circuit breaker housing 1, one end of the pull rod 14 passes through the circuit breaker housing 1 and extends into the receiving groove 15, a pull ring is movably provided on the pull rod 14, so that the staff can better pull the pull rod 14, and a rubber sealing plug 16 is inserted into the storage groove 15 to prevent dust and debris in the outside air from contaminating the storage groove 15.

[0026] When in use, a protective cover 4 is hinged at the front end of the circuit breaker housing 1, and the protective cover 4 is used to cover the outside of the adjustment hole 2, so as to play a protective role on the outside of the adjustment hole 2. When the staff needs to turn the adjustment button on the leakage protection circuit breaker, the staff first pulls out the rubber sealing plug 16, and then pulls the pull ring and the pull rod 14 to drive the insertion rod 11 to move out of the insertion hole 12, and then the protective cover 4 can be flipped open to turn the adjustment button. After not in use, the protective cover 4 can be closed again, so as to prevent people from accidentally touching the adjustment button and affecting the normal use of the leakage protection circuit breaker.

[0027] Refer to the instruction manual Figure 1-6 The rubber sealing plug 16 is provided with a circular groove 17 at one end close to the pull rod 14. The pull rod 14 and the pull ring are arranged inside the circular groove 17 to protect the pull rod 14 and the pull ring. The outer wall surface of the rubber sealing plug 16 is processed with anti-slip grooves 18 to increase the friction force on the surface of the rubber sealing plug 16.

[0028] The receiving groove 15 is sealed by a rubber sealing plug 16 to prevent dust and debris in the outside air from clogging the receiving groove 15. At the same time, a circular groove 17 is provided inside the rubber sealing plug 16, and the pull rod 14 and the pull ring are provided in the circular groove 17 to prevent the pull rod 14 and the pull ring from hindering the installation of the rubber sealing plug 16. In addition, a plurality of embedded grooves 18 are processed on the outer wall of the rubber sealing plug 16. When the rubber sealing plug 16 is inserted into the receiving groove 15, a plurality of protrusions are respectively inserted into the plurality of embedded grooves 18, to improve the connection firmness between the rubber sealing plug 16 and the receiving groove 15.

[0029] Finally: The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present utility model should be included in the protection scope of the present utility model.

Claims

1. A leakage protection circuit breaker housing structure, comprising a circuit breaker housing (1), wherein the front end of the circuit breaker housing (1) is provided with an adjustment hole (2), and the top and bottom ends of the circuit breaker housing (1) are both provided with wiring ports (3), characterized in that: A protective cover (4) is hingedly connected to the front end of the circuit breaker housing (1); the protective cover (4) is sleeved on the outside of the adjustment hole (2) and is used to seal the adjustment hole (2); A vertical plate (5) is fixedly provided on the top of the protective cover (4), an insert block (6) is fixedly provided on the rear end of the vertical plate (5), a slot (7) adapted to the insert block (6) is provided at the front end of the circuit breaker housing (1), the insert block (6) is arranged in the slot (7), a mounting groove (8) is provided on one side of the slot (7), a round rod (9) is fixedly provided inside the mounting groove (8), a round hole (10) is provided inside the round rod (9), an insert rod (11) is slidably provided inside the round hole (10), an insert hole (12) is provided on the side of the insert block (6) close to the round rod (9), the insert rod (11) is inserted into the insert hole (12), so as to facilitate the removal of the insert block (6).

2. The housing structure of a leakage protection circuit breaker according to claim 1, characterized in that: A compression spring (13) is fixedly provided at one end of the round rod (9) away from the insertion rod (11); the compression spring (13) is fixed to the inner wall of the round hole (10) at one end away from the insertion rod (11) and is used to push the insertion rod (11) to be plugged into the insertion hole (12).

3. The housing structure of a leakage protection circuit breaker according to claim 2, characterized in that: A pull rod (14) is fixedly provided at one end of the insertion rod (11) away from the insertion hole (12), and one end of the pull rod (14) passes through the compression spring (13) and the round rod (9).

4. The housing structure of a leakage protection circuit breaker according to claim 3, characterized in that: A receiving groove (15) is provided on an outer wall of one side of the circuit breaker housing (1); one end of the pull rod (14) passes through the circuit breaker housing (1) and extends into the receiving groove (15); a pull ring is movably provided on the pull rod (14) to facilitate pulling the pull rod (14).

5. The housing structure of a leakage protection circuit breaker according to claim 4, characterized in that: A rubber sealing plug (16) is inserted into the storage groove (15), and a circular groove (17) is formed at one end of the rubber sealing plug (16) close to the pull rod (14). The pull rod (14) and the pull ring are arranged inside the circular groove (17) to protect the pull rod (14) and the pull ring.

6. The housing structure of a leakage protection circuit breaker according to claim 5, characterized in that: The outer wall surface of the rubber sealing plug (16) is processed with anti-slip grooves (18) for improving the friction force on the surface of the rubber sealing plug (16).

7. The housing structure of a leakage protection circuit breaker according to claim 1, characterized in that: Both sides of the front end of the protective cover (4) are chamfered.

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