CN216528654U

CN216528654U - Contactor with emergency device

Info

Publication number: CN216528654U
Application number: CN202123212826.9U
Authority: CN
Inventors: 周立敏
Original assignee: Zhejiang Changji Electrical Technology Co ltd
Current assignee: Zhejiang Changji Electrical Technology Co ltd
Priority date: 2021-12-17
Filing date: 2021-12-17
Publication date: 2022-05-13
Anticipated expiration: 2031-12-17

Abstract

The utility model provides a contactor with an emergency device, which belongs to the technical field of emergency devices and comprises a mounting plate, wherein an emergency closing part is arranged on the mounting plate, at least one contactor is assembled on the emergency closing part, the contactor comprises a moving contact, a fixed contact and a coil, the emergency closing part is used for electrically connecting the moving contact and the fixed contact, and a transmission assembly used for transmitting the acting force of the emergency closing part to the moving contact is arranged between the contactor and the emergency closing part; the utility model adopts a mechanical structure to switch on the contactor, solves the problem that the contactor cannot be switched on due to failure of a magnetic suction mode, is suitable for fire-fighting emergency occasions and has strong practicability.

Description

Contactor with emergency device

Technical Field

The utility model relates to the technical field of emergency devices, in particular to a contactor with an emergency device.

Background

The contactor is an electric control device, is an electric appliance which enables controlled quantity to generate predetermined step change in an electric output circuit when the change of input quantity (excitation quantity) meets the specified requirement, has an interaction relation between a control system (also called an input loop) and the controlled system (also called an output loop), is usually applied to an automatic control circuit, is an 'automatic switch' which uses small current to control the operation of large current, and therefore plays the roles of automatic regulation, safety protection, circuit conversion and the like in the circuit.

Under the condition that the contactor contacts normally work, the contactor contacts are closed by magnetic force generated when the electromagnetic coil is electrified, and the contactor contacts are disconnected by spring force after the electromagnetic coil is electrified; however, in some humid environments and the like, the control circuit is prone to malfunction, which causes the situation that the electromagnetic coil cannot work normally, so that the contactor cannot be started and closed in an emergency state.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects and shortcomings of the prior art and provide a contactor with an emergency device.

The technical scheme adopted by the utility model is as follows: the contactor comprises a mounting plate, wherein an emergency closing part is arranged on the mounting plate, at least one contactor is assembled on the emergency closing part, the contactor comprises a moving contact, a fixed contact and a coil, the emergency closing part is used for enabling the moving contact to be electrically connected with the fixed contact, and a transmission assembly used for enabling the acting force of the emergency closing part to be transmitted to the moving contact is arranged between the contactor and the emergency closing part.

Emergent combined floodgate part includes the fixed plate, be equipped with spout, first rotating member on the fixed plate and set up and be used for carrying out spacing post to first rotating member in first rotating member both sides, the elastic component is equipped with between first rotating member and the fixed plate, be equipped with the slider in the spout, first rotating member is used for driving the slider and removes in the spout, slider one end is passed the spout and is equipped with the second rotating member, be equipped with the transfer line on the second rotating member, the transfer line is connected with drive assembly.

The transmission assembly comprises a moving rod connected with the moving contact of the contactor, first transmission pieces arranged on two sides of the contactor and second transmission pieces connected with the transmission rods.

The second transmission part is provided with an arc-shaped through hole, one end, far away from the moving rod, of the first transmission part is provided with a fixed shaft, and the fixed shaft is located in the arc-shaped through hole.

One end of the first rotating piece is provided with a connecting part for connecting a rotating wrench.

The other end of the first rotating part is provided with a clamping arm, a transmission column and one end of the transmission column are arranged in the clamping arm and abut against the sliding block, the sliding block is provided with a baffle plate on two end faces perpendicular to the sliding groove, and the transmission column is used for abutting against the baffle plates on two sides of the sliding block to enable the sliding block to move in the sliding groove.

The one end that the slider passed the spout is equipped with the recess and the direction is perpendicular with the spout direction, be equipped with on the second rotating member with spout direction vertically horizontal pole and be located in the recess.

The emergency closing part is externally provided with a shell, and the fixing plate is fixed on the shell.

The emergency closing part is assembled with the contactors through the transmission rods.

The utility model has the following beneficial effects: according to the utility model, a mechanical structure is adopted to switch on the contactor, the first rotating piece is rotated to enable the sliding block to move in the sliding groove, so that the second rotating piece is driven to rotate, then the second rotating piece drives the second transmission piece to rotate through the transmission rod, and the first transmission piece pulls the movable rod to longitudinally displace, so that switching on is realized, the problem that the contactor cannot be switched on due to failure of a magnetic suction mode is solved, and the mechanical structure is suitable for fire-fighting emergency occasions and has strong practicability; the first rotating part is rotated by a certain angle to break the energy storage state, the elastic part can restore the energy storage process to enable the first rotating part to automatically rotate to reach the switching-on position, the contactor can be kept in the switching-on state by adopting the structure, and meanwhile, when two contactors are assembled on the emergency switching-on part, the two contactors can be switched on simultaneously, and the switching-on time difference caused by manual operation is avoided.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is within the scope of the present invention for those skilled in the art to obtain other drawings based on the drawings without inventive exercise.

FIG. 1 is a schematic view of a hidden rear housing according to an embodiment;

FIG. 2 is a schematic diagram of an emergency closing component and a transmission assembly according to an embodiment;

FIG. 3 is a schematic diagram of a first embodiment;

FIG. 4 is a diagram illustrating an initial state according to an embodiment;

FIG. 5 is a schematic diagram of a closing state according to an embodiment;

FIG. 6 is a diagram illustrating a second embodiment;

fig. 7 is a schematic view of an emergency closing part and a transmission assembly according to a second embodiment;

in the figure, 1-contactor, 11-second transmission piece, 12-moving rod, 13-first transmission piece, 2-mounting plate, 3-emergency closing part, 31-first transmission piece, 311-connecting part, 312-clamping arm, 313-transmission column, 32-sliding block, 321-baffle, 33-fixing plate, 331-sliding groove, 34-second rotation piece, 341-transverse rod, 35-limiting column, 36-transmission rod, 37-elastic piece and 4-shell.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings.

It should be noted that all expressions using "first" and "second" in the embodiments of the present invention are used for distinguishing two entities with the same name but different names or different parameters, and it should be noted that "first" and "second" are merely for convenience of description and should not be construed as limitations of the embodiments of the present invention, which are not described in any more detail in the following embodiments.

The terms of direction and position of the present invention, such as "up", "down", "front", "back", "left", "right", "inside", "outside", "top", "bottom", "side", etc., refer to the direction and position of the attached drawings. Accordingly, the use of directional and positional terms is intended to illustrate and understand the present invention and is not intended to limit the scope of the present invention.

As shown in fig. 1 and fig. 2, the first embodiment of the present invention:

a contactor with an emergency device comprises a mounting plate 2, wherein an emergency closing part 3 is arranged on the mounting plate 2, at least one contactor 1 is assembled on the emergency closing part 3, in the embodiment, one contactor 1 is assembled, and in addition, different types of contactors 1 can be assembled on the emergency closing part 3 through fine adjustment; the contactor 1 comprises a moving contact, a fixed contact and a coil, the emergency closing part 3 is used for electrically connecting the moving contact and the fixed contact, and a transmission assembly used for transmitting the acting force of the emergency closing part 3 to the moving contact is arranged between the contactor 1 and the emergency closing part 3; in a normal state, the contactor utilizes the current flowing through the coil to generate a magnetic field, so that the movable contact and the static contact are closed, and when the coil fails and needs electricity, the emergency closing component 3 can be manually operated to close the movable contact and the static contact.

The emergency closing part 3 comprises a fixing plate 33, a sliding slot 331, a first rotating member 31 and a limiting post 35 arranged on two sides of the first rotating member 31 for limiting the first rotating member 31 are arranged on the fixing plate 33, an elastic member 37 is assembled between the first rotating member 31 and the fixing plate 33, the elastic member 37 has an energy storage function, a sliding block 32 is arranged in the sliding slot 331, the sliding block 32 can be driven by the first rotating member 31 to move in the sliding slot 331, one end of the sliding block 32 penetrates through the sliding slot 331 and is provided with a second rotating member 34, the second rotating member 34 rotates along with the movement of the sliding block 32, a transmission rod 36 is arranged on the second rotating member 34, in the embodiment, the transmission rod 36 is a long rod with square two ends and a cylindrical middle, the emergency closing part 3 is assembled with the contactor 1 through the transmission rod 36, and the problem that the contactor cannot be started and closed due to a magnetic attraction mode is solved through the emergency closing part 3, the practicability is stronger.

The contactor 1 is provided with a transmission assembly which comprises a movable rod 12 connected with a moving contact of the contactor, first transmission pieces 13 arranged on two sides of the contactor 1 and second transmission pieces 11 connected with a transmission rod 36; the driving rod 36 rotates to drive the second driving component 11 to rotate, so that the first driving component 13 pulls the moving rod 12 to longitudinally displace, and as the moving rod 12 is connected with the moving contact of the contactor, the moving contact also longitudinally moves to realize closing.

Specifically, an arc-shaped through hole is formed in the second transmission piece 11, a fixed shaft is arranged at one end, away from the movable rod 12, of the first transmission piece 13, and the fixed shaft is located in the arc-shaped through hole and moves in the arc-shaped through hole along with the rotation of the second transmission piece 11, so that the first transmission piece 13 pulls the movable rod 12 to longitudinally move; the first rotating member 31 has a connecting portion 311 at one end for connecting a rotating wrench, and in this embodiment, the connecting portion 311 is a square deep groove, and a square rod can be inserted into the connecting portion or directly connected to the rotating wrench.

In this embodiment, a locking arm 312 is disposed at the other end of the first rotating member 31, a transmission column 313 is disposed in the locking arm 312, one end of the transmission column 313 abuts against the sliding block 32, two end surfaces of the sliding block 32 perpendicular to the sliding slot 331 are both provided with a baffle 321, the first rotating member 31 rotates to drive the transmission column 313 in the locking arm 312 to rotate, and the transmission column 313 pushes against the baffles 321 on two sides of the sliding block 32 to move the sliding block 32 in the sliding slot 331; the clip arm 312 and the transmission column 313 may be integrated with the first rotating member 31, and in addition, other structures may also be adopted to enable the first rotating member 31 to drive the sliding block 32 to move, for example, a track groove is formed on the sliding block 32, then a vertical rod is arranged on the first rotating member 31 to be inserted into the track groove, the vertical rod is enabled to move in the track groove by rotating the first rotating member 31, and the sliding block 32 can be driven to move when the vertical rod touches the groove wall.

A groove is formed in one end, penetrating through the sliding groove 331, of the sliding block 32, and the direction of the groove is perpendicular to the direction of the sliding groove 331, in this embodiment, the groove is separately formed in another connecting piece, and then the groove is connected with the sliding block 32 through the connecting piece, a cross bar 341 perpendicular to the direction of the sliding groove 331 is arranged on the second rotating piece 34 and is located in the groove, and the cross bar 341 can move along with the sliding block 32 and can move longitudinally in the groove, so that the second rotating piece 34 rotates; in addition, a through hole is formed on the driving post 313, and one end of the elastic member 37 is fixed on the through hole and the other end is fixed on the fixing plate 33.

Further, as shown in fig. 3, a housing 4 is disposed outside the emergency closing part 3, and the fixing plate 33 is fixed to the housing 4.

The working principle is as follows:

as shown in fig. 4, in the initial state of the emergency closing component 3, at this time, the elastic element 37 is in the energy storage state, and starts to rotate by connecting the connection portion 311 of the first rotating element 31 with the rotating wrench, the first rotating element 31 drives the transmission post 313 in the clamping arm 312 to rotate together, the transmission post 313 abuts against the baffle 321 on both sides of the sliding block 32, so that the sliding block 32 moves in the chute 331, after the first rotating element 31 rotates to a certain angle, the elastic element 37 reaches the deformation limit, and then a certain rotating force is applied to the first rotating element 31, so as to break the energy storage state of the elastic element 37, when the elastic element 37 overcomes the force of deformation, the first rotating element 31 rotates to the position shown in fig. 5, during this process, the second rotating element 34 located below the fixing plate 33 rotates along with the movement of the sliding block 32, and the transmission rod 36 drives the second transmission element 11 to rotate, so that the first transmission element 13 pulls the moving rod 12 to longitudinally displace, because the moving rod 12 is connected with the moving contact of the contactor, the moving contact also moves longitudinally to realize switching-on, in the whole switching-on process, the first half section needs to apply rotating external force to the first rotating part 31, and the second half section is provided with rotating force by the elastic part 37 to realize automatic switching-on.

Example two:

as shown in fig. 6 and 7, in the present embodiment, two contactors 1 are respectively installed at two sides of the emergency closing unit 3, a transmission rod 36 is respectively installed at two sides of the second rotating member 34, the emergency closing unit 3 is installed with the contactors 1 through the transmission rod 36, the emergency closing unit 3 can simultaneously perform closing operation on the two contactors 1, and due to the elastic member 37, synchronous closing of the two contactors 1 can be realized.

The above disclosure is only for the purpose of illustrating the preferred embodiments of the present invention, and it is therefore to be understood that the utility model is not limited by the scope of the appended claims.

Claims

1. The utility model provides a contactor of utensil emergency device, includes mounting panel (2), be equipped with emergent combined floodgate part (3) on mounting panel (2), emergent combined floodgate part (3) are furnished with at least one contactor (1), contactor (1) includes moving contact, static contact and coil, its characterized in that: the emergency closing part (3) is used for electrically connecting the moving contact with the fixed contact, and a transmission assembly used for transmitting the acting force of the emergency closing part (3) to the moving contact is arranged between the contactor (1) and the emergency closing part (3).

2. A contactor with emergency device according to claim 1, characterized in that: emergent combined floodgate part (3) is including fixed plate (33), be equipped with spout (331), first rotating member (31) on fixed plate (33) and set up and be used for carrying out spacing post (35) to first rotating member (31) in first rotating member (31) both sides, elastic component (37) are equipped with between first rotating member (31) and fixed plate (33), be equipped with slider (32) in spout (331), first rotating member (31) are used for driving slider (32) and move in spout (331), slider (32) one end is passed spout (331) and is equipped with second rotating member (34), be equipped with transfer line (36) on second rotating member (34), transfer line (36) are connected with transmission assembly.

3. A contactor with emergency device according to claim 1, characterized in that: the transmission assembly comprises a moving rod (12) connected with a moving contact of the contactor, first transmission pieces (13) arranged on two sides of the contactor (1) and second transmission pieces (11) connected with transmission rods (36).

4. A contactor with emergency device according to claim 3, characterized in that: an arc-shaped through hole is formed in the second transmission piece (11), a fixed shaft is arranged at one end, far away from the moving rod (12), of the first transmission piece (13), and the fixed shaft is located in the arc-shaped through hole.

5. A contactor with emergency device according to claim 2, characterized in that: one end of the first rotating piece (31) is provided with a connecting part (311) for connecting a rotating wrench.

6. A contactor with emergency device according to claim 5, characterized in that: the other end of the first rotating piece (31) is provided with a clamping arm (312), a transmission column (313) is arranged in the clamping arm (312), one end of the transmission column (313) abuts against the sliding block (32), the sliding block (32) and the sliding groove (331) are perpendicular to each other, two end faces of the sliding block (32) perpendicular to the sliding groove (331) are provided with baffle plates (321), and the transmission column (313) is used for abutting against the baffle plates (321) on two sides of the sliding block (32) to enable the sliding block (32) to move in the sliding groove (331).

7. A contactor with emergency device according to claim 2, characterized in that: one end of the sliding block (32) penetrating through the sliding groove (331) is provided with a groove, the direction of the groove is perpendicular to the direction of the sliding groove (331), and the second rotating piece (34) is provided with a cross rod (341) perpendicular to the direction of the sliding groove (331) and located in the groove.

8. A contactor with emergency device according to claim 2, characterized in that: the emergency closing part (3) is externally provided with a shell (4), and the fixing plate (33) is fixed on the shell (4).

9. A contactor with emergency device according to claim 2, characterized in that: the emergency closing part (3) is provided with a contactor (1) on each of two sides, a transmission rod (36) is arranged on each of two sides of the second rotating part (34), and the emergency closing part (3) is assembled with the contactor (1) through the transmission rod (36).