CN216353991U

CN216353991U - Efficient and stable emergency device

Info

Publication number: CN216353991U
Application number: CN202123203126.3U
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: 2022-04-19
Anticipated expiration: 2031-12-17

Abstract

The utility model provides an efficient and stable emergency device, which belongs to the technical field of emergency devices and comprises at least one contactor and an emergency closing part assembled with the contactor, wherein the contactor comprises a moving contact, a fixed contact and a coil; 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 attraction mode, is suitable for fire-fighting emergency occasions and has strong practicability; simultaneously, a plurality of contactors can be assembled for simultaneous use, and the whole structure is simple and reasonable in layout.

Description

Efficient and stable emergency device

Technical Field

The utility model relates to the technical field of emergency devices, in particular to an efficient and stable 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 contact works normally, the contactor is closed by magnetic force generated when the electromagnetic coil is electrified, and the contactor is disconnected by spring force after the coil is electrified. However, in some humid environments and the like, the control circuit is easy to break down, so that the electromagnetic coil cannot work normally, and the contactor cannot be started and closed in an emergency state; in addition, the conventional emergency closing device cannot simultaneously close a plurality of contactors.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects of the prior art and provide an efficient and stable emergency device.

The technical scheme adopted by the utility model is as follows: the utility model provides a high-efficient stable emergency device, includes at least one contactor and the emergent combined floodgate part of joining in marriage with the contactor dress, the contactor includes moving contact, static contact and coil, emergent combined floodgate part is including being used for contradicting the moving contact to make the moving contact form the driving medium that is connected with the static contact electricity and being used for driving the driving medium to contradict the drive assembly of moving contact.

The driving assembly comprises a fixed plate, a rotating part and a first sliding groove are arranged on the fixed plate, an elastic part is assembled between the rotating part and the fixed plate, a sliding block is arranged in the first sliding groove, the rotating part is used for driving the sliding block to move in the first sliding groove, one end of the sliding block penetrates through the first sliding groove and is provided with a moving part, a second inclined sliding groove is arranged on the moving part, a sliding rod is arranged in the second sliding groove, and the driving part is arranged on the sliding rod.

The rotating member one end is equipped with the card arm, be equipped with transmission post and transmission post one end in the card arm and support to the slider, slider and first spout vertically both ends face all are equipped with the baffle, the transmission post is used for conflicting slider both sides baffle and makes the slider remove in first spout.

The rotating member other end is equipped with the first connecting portion that is used for connecting rotatory spanner.

The transmission column is provided with a through hole, one end of the elastic piece is fixed in the through hole, and the other end of the elastic piece is fixed on the fixing plate.

The fixed plate below is equipped with the base, be equipped with the spacing passageway that is used for making driving medium longitudinal displacement on the base.

And a shell for protecting the driving assembly is arranged on the base.

The first sliding groove is three parallel rectangular through grooves, the through grooves on two sides are used for limiting when the sliding block moves, and the through groove in the middle is used for limiting when the moving piece moves.

And second connecting parts used for being connected with other moving parts are arranged on two sides of the moving parts.

The utility model has the following beneficial effects: the utility model adopts a mechanical structure to close a contactor, and the sliding block moves in the first sliding groove by rotating the rotating piece so as to drive the moving piece to move; wherein, owing to be furnished with the elastic component of energy storage effect between rotating member and fixed plate, the rotating member breaks the energy storage state after rotatory certain angle, and the in-process that the elastic component resumes the energy storage can make rotating member autogiration reach the switching-on position, adopts this structure can let the contactor keep the state of closing a floodgate, when emergent switching-on part joins in marriage a plurality of contactors of dress simultaneously, can let a plurality of contactors close a floodgate simultaneously, avoids causing the time difference of closing a floodgate because of manual operation, and overall structure is simple and rationally distributed.

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 the present invention (with part of the housing omitted);

FIG. 2 is a schematic diagram of an emergency closing feature of the present invention;

FIG. 3 is a schematic view of the present invention;

fig. 4 is a front view (4 a) and a top view (4 b) of the emergency closing part in the initial state;

fig. 5 is a front view (5 a) and a top view (5 a) of the emergency closing part according to the present invention;

fig. 6 is a schematic view of the emergency closing part combined with two contactors (a part of the housing is omitted) according to the present invention;

in the figure, 1-emergency closing part, 11-rotating part, 111-first connecting part, 112-clamping arm, 113-rotating column, 12-elastic part, 13-sliding rod, 14-driving part, 15-moving part, 151-second sliding chute, 152-second connecting part, 16-fixing plate, 161-first sliding chute, 17-sliding block, 171-baffle, 2-contactor, 3-base, 4-shell, 5-bracket and 6-mounting plate.

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 to 3, an embodiment of the present invention is provided: an efficient and stable emergency device comprises at least one contactor 2 and an emergency closing part 1 assembled with the contactor 2, wherein the contactor 2 comprises a moving contact, a fixed contact and a coil, and the emergency closing part 1 comprises a transmission part 14 and a driving component, wherein the transmission part 14 is used for abutting against the moving contact to enable the moving contact to be electrically connected with the fixed contact, and the driving component is used for driving the transmission part 14 to abut against the moving contact; 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 1 can be manually operated to close the movable contact and the static contact.

The driving assembly comprises a fixed plate 16, a rotating part 11 and a first sliding groove 161 are arranged on the fixed plate 16, an elastic part 12 is assembled between the rotating part 11 and the fixed plate 16, a sliding block 17 is arranged in the first sliding groove 161, the rotating part 11 can drive the sliding block 17 to move in the first sliding groove 161, one end of the sliding block 17 passes through the first sliding groove 161 and is provided with a moving part 15, the moving part 15 can move along with the sliding block 17, an inclined second sliding groove 151 is arranged on the moving part 15, a sliding rod 13 is arranged in the second sliding groove 151, and the sliding rod 13 moves along with the moving part 15 and moves in the second sliding groove 151 and enables a transmission part 14 arranged on the sliding part to move longitudinally; thereby this driving medium can press down the moving contact of the contactor of assembling and realize closing a floodgate, adopts mechanical structure to make the contactor combined floodgate, has solved the problem because of the unable start-up that the mode brought is inhaled to magnetism and closed contactor, and the practicality is stronger.

In this embodiment, a clamping arm 112 is disposed at one end of the rotating member 11, a transmission column 113 is disposed in the clamping arm 112, one end of the transmission column 113 abuts against the sliding block 17, two end faces of the sliding block 17 perpendicular to the first sliding groove 161 are both provided with a baffle 171, the rotating member 11 rotates to drive the transmission column 113 in the clamping arm 112 to rotate, and the transmission column 113 abuts against the baffles 171 on two sides of the sliding block 17 to enable the sliding block 17 to move in the first sliding groove 161; in addition, other structures can be adopted to enable the rotating piece 11 to drive the sliding block 17 to move, for example, a track groove is formed in the sliding block 17, then a vertical rod is arranged on the rotating piece 11 to be inserted into the track groove, the vertical rod is enabled to move in the track groove by rotating the rotating piece 11, and the sliding block 11 can be driven to move when the vertical rod touches the groove wall.

The other end of the rotating member 11 is provided with a first connecting portion 111 for connecting a rotating wrench, and in this embodiment, the connecting portion 111 is a square deep groove into which a square rod can be inserted or directly connected to the rotating wrench.

The transmission column 113 is provided with a through hole, one end of the elastic part 12 is fixed in the through hole, the other end of the elastic part is fixed on the fixing plate 16, the elastic part 12 has an energy storage effect, the rotating part 11 is rotated by manually applying a rotating force in the first half of the whole closing action, after the rotating part 11 rotates for a certain angle, the elastic part 12 provides a rotating force in the second half, and the second half is automatically closed, so that the instability caused by manual closing is avoided.

First spout 161 is three parallel arrangement's rectangle through groove, and the both sides are led to the groove and are used for slider 17 spacing when removing, and middle logical groove is used for moving 15 spacing when removing, guarantees slider 17 and moving 15 moving process stability.

The fixed plate 16 below is equipped with base 3, be equipped with the spacing passageway that is used for making 14 longitudinal displacement of driving medium on the base 3, still be equipped with the casing 4 that is used for protecting drive assembly on the base 3, in this embodiment, the casing includes shell body and cap, adopts casing parcel protection emergency device's mechanical structure, sets up support 5 in base 3 both sides simultaneously and is connected with the mounting panel 6 of contactor 2.

The two sides of the moving member 15 are provided with the second connecting parts 152 for connecting with other moving members 15, so that a plurality of contactors 2 can be used in combination, as shown in fig. 6, the moving member 15 is assembled with another moving member 15 through the second connecting parts 152, and the mechanical emergency structure can enable two contactors 2 to be switched on simultaneously, and due to the elastic member 12, synchronous switching on of the two contactors 2 can be realized, and in addition, more contactors 2 can be used in combination as long as the rotating force is enough; in addition, the emergency closing part 3 can be assembled with different types of contactors 2 by fine adjustment.

The working principle is as follows:

as shown in fig. 4, in the initial state of the emergency device, at this time, the elastic element 12 is in the energy storage state, and starts to rotate by connecting the connection portion 111 of the rotating element 11 with the rotating wrench, the rotating element 11 drives the transmission post 113 in the card arm 112 to rotate together, and the transmission post 113 abuts against the baffles 171 on both sides of the sliding block 17, so that the sliding block 17 moves in the first sliding slot 161, after the rotating element 11 rotates to a certain angle, the elastic element 12 reaches the deformation limit, and then a certain rotating force is applied to the rotating element 11, so as to break the energy storage state of the elastic element 12, when the elastic element 12 overcomes the force of deformation, the rotating element 11 rotates to the position shown in fig. 5, during this process, the moving element 15 located below the fixed plate 16 will move along with the sliding block 17, and because the inclined second sliding slot 151 is provided on the moving element 11, and the sliding rod 13 provided in the second sliding slot 151 will move in the second sliding slot 151 along with the moving element 15 and move longitudinally move the driving element 14 provided thereon, the transmission part 14 can press the moving contact of the assembled contactor 2 downwards to realize switching-on, in the whole switching-on process, the first half section needs to apply external rotating force to the rotating part 11, and the second half section is provided with rotating force by the elastic part 12 to realize automatic switching-on.

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 high-efficient stable emergency device, includes at least one contactor (2) and the emergent closing part (1) of joining in marriage with contactor (2), contactor (2) include moving contact, static contact and coil, its characterized in that, emergent closing part (1) is including being used for contradicting the moving contact to make the moving contact form driving medium (14) of being connected with the static contact electricity and being used for driving medium (14) to contradict the drive assembly of moving contact.

2. An efficient and stable emergency device according to claim 1, wherein the driving assembly comprises a fixed plate (16), a rotating member (11) and a first sliding groove (161) are arranged on the fixed plate (16), an elastic member (12) is assembled between the rotating member (11) and the fixed plate (16), a sliding block (17) is arranged in the first sliding groove (161), the rotating member (11) is used for driving the sliding block (17) to move in the first sliding groove (161), one end of the sliding block (17) penetrates through the first sliding groove (161) and is provided with a moving member (15), an inclined second sliding groove (151) is arranged on the moving member (15), a sliding rod (13) is arranged in the second sliding groove (151), and the driving member (14) is arranged on the sliding rod (13).

3. The efficient and stable emergency device according to claim 2, wherein a clamping arm (112) is arranged at one end of the rotating member (11), a transmission column (113) is arranged in the clamping arm (112), one end of the transmission column (113) abuts against the sliding block (17), two end faces, perpendicular to the first sliding groove (161), of the sliding block (17) are provided with baffles (171), and the transmission column (113) is used for abutting against the baffles (171) on two sides of the sliding block (17) to enable the sliding block (17) to move in the first sliding groove (161).

4. A high efficiency and stability emergency device according to claim 3, wherein the other end of said rotary member (11) is provided with a first connection portion (111) for connecting a rotary wrench.

5. An efficient and stable emergency device as claimed in claim 3, wherein the transmission column (113) is provided with a through hole, one end of the elastic member (12) is fixed in the through hole, and the other end is fixed on the fixing plate (16).

6. An efficient and stable emergency device according to claim 2, characterized in that a base (3) is arranged below the fixing plate (16), and a limiting channel for enabling the transmission member (14) to longitudinally displace is arranged on the base (3).

7. An efficient and stable emergency device according to claim 6, characterized in that the base (3) is provided with a housing (4) for protecting the driving assembly.

8. An efficient and stable emergency device according to claim 2, wherein the first sliding groove (161) is three parallel rectangular through grooves, the two side through grooves are used for limiting when the sliding block (17) moves, and the middle through groove is used for limiting when the moving member (15) moves.

9. An efficient and stable emergency device according to claim 2, characterized in that the moving member (15) is provided with second connection portions (152) on both sides for connection with other moving members (15).