CN220400508U

CN220400508U - Electromagnetic switching-on and switching-off mechanism and self-holding relay thereof

Info

Publication number: CN220400508U
Application number: CN202321107643.7U
Authority: CN
Inventors: 李建
Original assignee: Shenzhen Tengming Technology Co ltd
Current assignee: Shenzhen Tengming Technology Co ltd
Priority date: 2023-05-09
Filing date: 2023-05-09
Publication date: 2024-01-26
Anticipated expiration: 2033-05-09

Abstract

The utility model relates to the technical field of relays, and particularly discloses an electromagnetic switching-on and switching-off mechanism and a self-holding relay thereof, wherein the electromagnetic switching-on and switching-off mechanism comprises a switching-on and switching-off mechanism and a driving mechanism for driving; the switching-on/off mechanism comprises a handle for switching-on/off, a handle spring is arranged at one end of the handle, and a lug is integrally formed at one side, close to the handle spring, of one end of the handle; the utility model is composed of a driving electromagnet, a gear, a tripping part, a grab handle and an operating mechanism, only one set of circuit is adopted, and the opening and closing of the switch is only realized by adopting one driving electromagnet, the switching-on and switching-off is not needed to be distinguished in the circuit and the driving part, the switching-on and switching-off process can be completed by adding one gear and the tripping part in the operating mechanism executing mechanism, the circuit breaker can be completed by only one set of circuit, one set of electromagnet and one set of mechanism, the scheme design is simple, the switching-on and switching-off are integrated, the circuit and the structural design are simplified, and the manufacturing cost is reduced.

Description

Electromagnetic switching-on and switching-off mechanism and self-holding relay thereof

Technical Field

The utility model relates to the technical field of relays, in particular to an electromagnetic opening and closing mechanism and a self-holding relay thereof.

Background

The existing breaker with remote switching-on and switching-off functions is usually designed separately, and has different circuits and different driving structures. The switching-on driving modes are divided into: electromagnetic drive and motor drive

1. The motor-driven switching-on mode generally requires a separate electric operating device, which is relatively complex in structure, relatively high in cost and relatively large in size and occupation after being assembled with the MCB. And this approach also requires a trip as the opening drive.

2. In the electromagnetic driving mode, an electromagnet is usually designed to be used as a switching-on driving mode, and an electromagnet is also independently designed to be used as a switching-off driving mode.

The two modes all need more components, the PCB design is also more than one set of circuit, and the cost is higher;

based on the above, we propose an electromagnetic opening and closing mechanism and a self-holding relay thereof.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides an electromagnetic opening and closing mechanism and a self-holding relay thereof, which are used for solving the problems proposed by the background art.

The electromagnetic opening and closing mechanism comprises an opening and closing mechanism and a driving mechanism for driving;

the switching-on/off mechanism comprises a grab handle used for switching-on/off, a handle spring is arranged at one end of the grab handle, a lug is integrally formed at one side, close to the handle spring, of one end of the grab handle, a jump buckle is sleeved on the outer side of the lug, a support is arranged at one end of the jump buckle, the jump buckle is used for being linked with the support, and a moving contact is arranged at the meal falling position of the support;

the driving mechanism comprises a driving electromagnet for driving and a shell for wrapping the driving electromagnet, and an elastic part is arranged at one end, close to the grab handle, of the shell and used for transmitting the driving force of the driving electromagnet.

As a further improvement of the utility model, the front surface of the jump buckle is integrally formed with a round protrusion for connecting the bracket, a gear is arranged near the front surface of the bracket, and one side of the gear is bent at a preset angle.

As a further improvement of the utility model, a return spring is arranged on the inner side of the bend of the gear, a U-shaped rod is sleeved on the outer side of the return spring, one end of the gear is close to one end of the shell, on which an elastic component is arranged, and a fixed distance is kept.

As a further improvement of the utility model, the front surface of the gear is provided with a bulge for connecting the U-shaped rod, and the bulge and the return spring are arranged in parallel.

As a further improvement of the utility model, a lock catch is arranged at a position, close to the lower side, of the outer side of the bracket, and one end of the lock catch is bent at a preset angle and keeps a fixed distance from the moving contact.

As a further improvement of the utility model, a limiting block is integrally formed at one end of the front face of the lock catch, which is close to the U-shaped rod, and the limiting block is provided with an area for limiting the U-shaped rod body and is used for keeping the stability of the U-shaped rod.

As a further improvement of the utility model, one side of the movable contact is provided with a limiting groove for movably connecting the bracket, and the movable contact is connected with the bracket through a pin shaft.

As a further improvement of the utility model, a through hole is arranged at one side of the front surface of the movable contact, which is close to the bracket, and a main spring is arranged at the through hole.

The utility model also provides a self-holding relay with a counterweight and an electromagnetic opening and closing mechanism, which is characterized in that:

the device also comprises a PCB for signal transmission, wherein the electromagnet is driven by the plate body of the PCB in a linkage way through contacts;

the outside of PCB board still is provided with the plastic casing that is used for the protection.

Compared with the prior art, the utility model has the following beneficial effects:

the utility model consists of a driving electromagnet, a gear, a tripping part, a grab handle and an operating mechanism. The circuit breaker is characterized in that only one set of circuit is adopted, the switching-on and switching-off is only realized by adopting one driving electromagnet, the switching-on and switching-off does not need to be distinguished in the circuit and the driving part, the switching-on and switching-off process can be completed by adding a gear and a tripping part in an actuating mechanism executing mechanism, the circuit breaker can be completed by only one set of circuit, one set of electromagnet and one set of mechanism, the scheme is simple in design, the switching-on and switching-off are designed into a whole, the circuit and the structural design are simplified, and the manufacturing cost is reduced.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiments of the application and together with the description serve to explain the application and do not constitute an undue limitation to the application. In the drawings:

FIG. 1 is a schematic diagram of the opening and closing structure of the present utility model;

fig. 2 is a schematic diagram of a three-dimensional structure of an opening and closing structure of the present utility model;

fig. 3 is a schematic diagram of a combined three-dimensional structure of a relay and a switching-on/off mechanism according to the present utility model.

In the figure: 1. a housing; 2. a handle spring; 3. jumping buckle; 4. a grab handle; 5. a gear; 6. a bracket; 7. a main spring; 8. a moving contact; 9. locking; 10. a U-shaped rod; 11. a return spring; 12. driving electromagnet, 13 and relay.

Detailed Description

Various embodiments of the present utility model are disclosed in the following drawings, which are presented in sufficient detail to provide a thorough understanding of the present utility model. However, it should be understood that these physical details should not be used to limit the utility model. That is, in some embodiments of the present utility model, these physical details are not necessary. Moreover, for the sake of simplicity of illustration, some well-known and conventional structures and components are shown in the drawings in a simplified schematic manner.

In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present utility model.

Please refer to fig. 1-3;

example 1:

an electromagnetic opening and closing mechanism,

comprises a switching-on and switching-off mechanism and a driving mechanism for driving;

the method is characterized in that:

the opening and closing mechanism comprises a grab handle 4 for opening and closing, a handle spring 2 is arranged at one end of the grab handle 4, a lug is integrally formed at one side, close to the handle spring 2, of one end of the grab handle 4, a jump buckle 3 is sleeved on the outer side of the lug, a support 6 is arranged at one end of the jump buckle 3, the jump buckle 3 is used for linking the support 6, and a moving contact 8 is arranged at the meal of the support 6;

the driving mechanism comprises a driving electromagnet 12 for driving and a shell 1 wrapping the driving electromagnet 12, wherein an elastic part is arranged at one end of the shell 1 close to the grab handle 4 and is used for transmitting the driving force of the driving electromagnet 12.

The front integrated into one piece of jump knot 3 has the circular protruding that can supply support 6 to connect, and is close to the front of support 6 and be provided with gear 5, and one side of gear 5 is the crooked setting of preset angle.

The inside of the bending of the gear 5 is provided with a return spring 11, the outside of the return spring 11 is sleeved with a U-shaped rod 10, one end of the gear 5 is close to one end of the shell 1, which is provided with an elastic component, and a fixed interval is kept.

The front face of the gear wheel 5 is provided with a protrusion for the connection of the U-shaped rod 10, which protrusion is arranged in parallel with the return spring 11.

The outer side of the bracket 6 is provided with a lock catch 9 at a position close to the lower side, one end of the lock catch 9 is bent at a preset angle, and a fixed distance is kept between the lock catch 9 and the moving contact 8.

The front of hasp 9 is close to U-shaped pole 10 one end department integrated into one piece has the stopper, and this stopper is provided with the region that can supply U-shaped pole 10 body of rod spacing for keep U-shaped pole 10 stable.

One side of the movable contact 8 is provided with a limit groove for the movable connection of the bracket 6 and is connected through a pin shaft.

A through hole is arranged at one side of the front surface of the movable contact 8, which is close to the bracket 6, and a main spring 7 is arranged at the through hole.

Example 2:

a self-holding relay 13 provided with an electromagnetic opening and closing mechanism, characterized in that:

the device also comprises a PCB for signal transmission, wherein the plate body of the PCB is in linkage driving with the electromagnet 12 through a contact;

The electromagnetic opening and closing mechanism consists of a driving electromagnet 12, a gear 5, a disengaging piece, a grab handle 4 and an operating mechanism. Only one set of circuit is adopted, only one driving electromagnet 12 is adopted for switching on and off, the switching on and off does not need to be distinguished from a driving part in the circuit, and the switching on and off process can be completed only by adding a gear 5 and a tripping part in an actuating mechanism executing mechanism; the implementation process is as follows:

and (3) closing: the PCB board gives a driving signal to the driving electromagnet 12, the movable iron core inside the driving electromagnet 12 drives the elastic structure to move leftwards, and the elastic structure: if the push rod is used, the push rod pushes the gear 5, the gear 5 is designed on the grab handle 4, and the gear 5 is meshed with the grab handle 4, the push rod pushes the grab handle 4 to rotate clockwise, meanwhile, the operating mechanism drives the moving contact 8 to approach the fixed contact, and finally, after the operating mechanism passes through a dead point, the moving contact and the fixed contact are kept closed under the pressure of the main spring 7; because the gear 5 is in the closing position, and the tripping element rotates anticlockwise under the action of the reset spring 11, the tripping element is stopped at the front end of the push rod.

And (3) a brake separating process: from the above, when the circuit breaker is in a closing state, the trip piece is stopped at the front end of the push rod under the action of the reset spring 11, at this time, the PCB sends an electric signal to the driving electromagnet 12, the movable iron core can drive the push rod to move leftwards, at this time, the push rod is pushed to the protruding position of the trip piece, the trip piece rotates anticlockwise, then the lower end of the trip piece pushes the lock catch 9 piece in the operating mechanism, and after the lock catch 9 is pushed to be completely separated from the lock catch surface, the trip 3 slides down from the lock catch surface of the lock catch 9, so as to complete unlocking;

at the moment, the moving contact 8 is opened leftwards to the maximum position under the action of the main spring 7, the grab handle 4 is reset under the action of the handle spring 2 and finally stops at the opening position, meanwhile, the gear 5 is driven by the handle to rotate clockwise for resetting due to the meshing of the handle and the gear 5, and the gear 5 pushes the tripping piece to rotate clockwise for resetting, so that the circuit breaker completes opening.

From the above, the circuit breaker can realize the remote switching-on and switching-off process by only one set of circuit, one set of electromagnet and one set of mechanism.

The foregoing description is only illustrative of the utility model and is not to be construed as limiting the utility model. Various modifications and variations of the present utility model will be apparent to those skilled in the art. Any modification, equivalent replacement, improvement, or the like, which is within the spirit and principle of the present utility model, should be included in the scope of the claims of the present utility model.

Claims

1. An electromagnetic opening and closing mechanism comprises an opening and closing mechanism and a driving mechanism for driving;

the method is characterized in that:

the switching-on/off mechanism comprises a grab handle (4) used for switching-on/off, a handle spring (2) is arranged at one end of the grab handle (4), a lug is integrally formed at one side, close to the handle spring (2), of one end of the grab handle (4), a jump buckle (3) is sleeved on the outer side of the lug, a support (6) is arranged at one end of the jump buckle (3), the jump buckle (3) is used for linking the support (6), and a movable contact (8) is arranged at the meal of the support (6);

the driving mechanism comprises a driving electromagnet (12) for driving and a shell (1) for wrapping the driving electromagnet (12), wherein an elastic part is arranged at one end, close to the grab handle (4), of the shell (1) and is used for transmitting the driving force of the driving electromagnet (12).

2. The electromagnetic opening and closing mechanism according to claim 1, wherein: the front integrated into one piece of jump knot (3) has the circular protruding that can supply support (6) to connect, just is close to the front of support (6) is provided with gear (5), one side of gear (5) is the crooked setting of preset angle.

3. The electromagnetic opening and closing mechanism according to claim 2, wherein: the gear (5) is characterized in that a reset spring (11) is arranged on the inner side of the bend of the gear (5), a U-shaped rod (10) is sleeved on the outer side of the reset spring (11), one end of the gear (5) is close to one end of the shell (1) where an elastic component is arranged, and a fixed distance is kept.

4. The electromagnetic opening and closing mechanism according to claim 2, wherein: the front face of the gear (5) is provided with a bulge for connecting the U-shaped rod (10), and the bulge and the return spring (11) are arranged in parallel.

5. The electromagnetic opening and closing mechanism according to claim 1, wherein: the outside of support (6) is provided with hasp (9) near the position department of below, the one end of hasp (9) is the crooked setting of preset angle, and keeps fixed interval with moving contact (8).

6. The electromagnetic opening and closing mechanism according to claim 5, wherein: a limiting block is integrally formed at one end, close to the U-shaped rod (10), of the front face of the lock catch (9), and an area for limiting the rod body of the U-shaped rod (10) is arranged on the limiting block and used for keeping the stability of the U-shaped rod (10).

7. The electromagnetic opening and closing mechanism according to claim 1, wherein: one side of the moving contact (8) is provided with a limiting groove for the movable connection of the bracket (6), and the limiting groove is connected through a pin shaft.

8. The electromagnetic opening and closing mechanism according to claim 1, wherein: a through hole is formed in one side, close to the bracket (6), of the front face of the moving contact (8), and a main spring (7) is installed at the through hole.

9. A latching relay (13) provided with an electromagnetic opening and closing mechanism according to any one of claims 1 to 8, characterized in that:

the device also comprises a PCB for signal transmission, wherein the plate body of the PCB is provided with an electromagnet (12) driven by contact linkage;