CN219476518U

CN219476518U - Linkage auxiliary switch

Info

Publication number: CN219476518U
Application number: CN202320735290.9U
Authority: CN
Inventors: 余建成
Original assignee: Zhejiang Shangguan Electric Co ltd
Current assignee: Zhejiang Shangguan Electric Co ltd
Priority date: 2023-04-03
Filing date: 2023-04-03
Publication date: 2023-08-04
Anticipated expiration: 2033-04-03

Abstract

The utility model provides a linkage auxiliary switch, and belongs to the technical field of low-voltage switches. The switch module is provided with a triggering part, a power pressing plate is arranged outside any one side adjacent to the side where the triggering part is arranged on the switch module, one end of the power pressing plate, which is far away from the switch module, extends out of the switch module and is provided with a stress part, and the other end of the power pressing plate reversely extends out of the switch module and is provided with a triggering plate which triggers the switch module to be opened or closed after the power pressing plate moves under stress and the switch module generates displacement. The utility model has compact structure, small volume and higher stability and sensitivity.

Description

Linkage auxiliary switch

Technical Field

The utility model belongs to the technical field of low-voltage switches, and particularly relates to a linkage auxiliary switch.

Background

The auxiliary switch is a switch which is mechanically operated by a switching device, converts mechanical energy into an electric signal and controls the main switch of the circuit to be closed or opened, and plays roles of opening, closing, signal control and interlocking protection of a secondary control loop in the power equipment. In the prior art, generally comprise casing, pull rod, copper spare, displacement switch etc. for example chinese patent document discloses an auxiliary switch [ CN202020218251.8] of low voltage circuit breaker, including push rod, torsional spring, micro-gap switch, depression bar and support, its characterized in that: the push rod is arranged on the support and can rotate, the push rod is connected with a torsion spring to reset after rotating, a plurality of microswitches are arranged on the support side by side, the push rod is arranged at the front ends of the side by side microswitches and is linked with the push rod, the push rod can be driven to press or release a button of a first microswitches at the front ends of the side by side microswitches in the rotating process of the push rod, and a push rod is arranged at the back of each microswitches side by side and is linked with a button of an adjacent microswitch.

In the technical scheme, although the mechanical force can be applied to the push rod to drive the press rod to drive the micro switch so as to convert the mechanical force into an electric signal, the micro switch button is arranged in the middle of the press plate, the press plate is required to rotate in a large range, the structure is not compact, and the large installation space is required to be occupied.

Disclosure of Invention

The utility model aims to provide a linkage auxiliary switch with a compact structure and a small volume.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the linkage auxiliary switch comprises a support, wherein a plurality of switch modules are arranged in the support, a triggering part is arranged on the switch modules, a power pressing plate is arranged outside any one side, adjacent to the side where the triggering part is arranged, of the switch modules, one end, away from the switch modules, of the power pressing plate extends out of the switch modules and is provided with a stress part, and the other end, reversely, extends out of the switch modules and is provided with a triggering plate which triggers the switch modules to be opened or closed after the stress movement of the power pressing plate and the switch modules generate displacement.

In the linkage auxiliary switch, a rotating body protruding out of the power pressing plate is arranged on the power pressing plate and is rotatably connected to the bracket.

In the linkage auxiliary switch, the power pressing plate is arranged below the switch module, the support is provided with a connecting hole, and the rotator is inserted into the connecting hole and can rotate in the connecting hole.

In the linkage auxiliary switch, the power pressing plate, the stress part, the trigger plate and the rotating body are integrally punched, bent and formed, the stress part is tilted upwards, the stress part comprises a stress fin arranged at one end far away from the power pressing plate, and a stress inclined plane is arranged on the stress fin.

In the linkage auxiliary switch, a connecting part is arranged between the trigger plate and the power pressing plate, and the connecting part extends to the trigger part to enable the trigger plate to correspond to the trigger part.

In the linkage auxiliary switch, a trigger inclined plane is arranged on one side of the trigger plate, which is close to the trigger part, and the trigger inclined plane is inclined from bottom to top in a direction away from the trigger part.

In the linkage auxiliary switch, the support is provided with the accommodating groove, the switch module is arranged in the accommodating groove, switch connecting holes are formed in wing plates on two sides of the support, the switch module is connected with the support through the connecting holes, and the switch module is a limit switch, a micro switch and an induction switch.

In the linkage auxiliary switch, the support is provided with a rebound positioning boss below the power pressing plate, and the rebound positioning boss protrudes from the support towards the power pressing plate.

In the linkage auxiliary switch, the support is further provided with a limiting head and a connector, the power pressing plate is provided with a limiting groove, the connector is arranged in the limiting groove in a penetrating mode, one end of the connector is connected to the limiting head, the other end of the connector is connected to the bottom of the support, and the width of the limiting head is larger than that of the connector and that of the limiting groove.

In the linkage auxiliary switch, the support comprises a first support and a second support, the first support and the second support surround to form a containing groove for containing the switch module, the connecting part of the first support and the second support is provided with a positioning lug and a positioning groove which are matched with each other, and a mounting hole is formed in a bottom plate, which is close to one side of the power pressing plate, of the support.

Compared with the prior art, the beneficial effects of this application are embodied in:

1. the power pressing plate is tilted upwards to form the trigger plate after passing through the switch module, so that the structure between the power pressing plate and the switch module is more compact while enough action space is ensured, the whole volume is reduced, and the material waste is reduced.

2. The power pressing plate is provided with the rotating body, the stress part is formed into a whole after the power pressing plate extends out of the switch module, the driving effect is ensured, meanwhile, the transmission parts are reduced, the stability is improved, the whole volume is further reduced, and the manufacturing process is reduced.

3. The trigger plate is provided with a trigger inclined plane, the distance between the trigger plate and the trigger part can be quickly changed in the ascending process of the trigger plate, and meanwhile, the trigger plate is utilized to do circular motion to make a vertical motion component and a parallel motion component of the trigger part, so that the distance of the trigger plate, which is required to approach the trigger part, is smaller than the direct trigger distance of the switch module, the whole volume is further reduced, and the sensitivity of the auxiliary switch is also improved.

Drawings

Fig. 1 is a schematic structural diagram of embodiment 1 provided by the present utility model.

Fig. 2 is a schematic view of another angle of embodiment 1 according to the present utility model.

Fig. 3 is an explosion schematic diagram provided by the utility model.

Fig. 4 is a schematic cross-sectional view provided by the present utility model.

Fig. 5 is a schematic diagram of a power platen structure according to the present utility model.

Fig. 6 is a schematic diagram of a support structure provided by the present utility model.

Fig. 7 is a schematic structural diagram of a support frame according to embodiment 2.

Fig. 8 is a schematic structural diagram of a bracket according to embodiment 3.

In the figure

The device comprises a bracket 1, a connecting hole 11, a containing groove 12, a wing plate 13, a rebound positioning boss 14, a limiting head 15, a connecting body 16, a positioning lug 17, a positioning groove 18, a switch module 2, a trigger part 21, a power pressing plate 3, a stress part 31, a trigger plate 32, a trigger inclined plane 321, a rotating body 33, a connecting part 34 and a limiting groove 35.

Detailed Description

The technical scheme of the utility model is further described in detail below with reference to the attached drawings and the detailed description.

Example 1

The linkage auxiliary switch comprises a support 1, wherein a plurality of switch modules 2 are arranged in the support 1, a trigger part 21 is arranged on the switch modules 2, a power pressing plate 3 is arranged outside any one side adjacent to the side where the trigger part 21 is arranged on the switch modules 2, one end of the power pressing plate 3, far away from the switch modules 2, extends out of the switch modules 2 and is provided with a stress part 31, and the other end of the power pressing plate is reversely extended out of the switch modules 2 and is provided with a trigger plate 32 which triggers the switch modules 2 to be opened or closed after the stress movement of the power pressing plate 3 and the switch modules 2 generate displacement.

In this embodiment, the switch modules 2 are arranged in matrix, when the rear-row switch modules 2 are triggered, the front-row switch modules are triggered by the rear-row switch modules 2, the trigger plate 32 is located outside the trigger portion 21, and the trigger plate 32 does not trigger the switch modules in normal state. When the stress part 31 on the power pressing plate 3 is stressed to rotate in a direction away from the switch module, the power pressing plate 3 is enabled to rotate so as to drive the trigger plate 32 to approach the trigger part 21, the switch module 2 is triggered stably, and the power-electricity conversion is realized.

The power pressing plate 3 is tilted upwards to form the trigger plate 32 after passing through the switch module 1, so that the structure between the power pressing plate 3 and the switch module 2 is more compact while enough action space is ensured, the whole volume is reduced, and the material waste is reduced.

Further, a rotating body 33 protruding from the power pressing plate 3 is arranged on the power pressing plate 3, and the rotating body 33 is rotatably connected to the bracket 1. In the present embodiment, the rotator 33 is disposed in the middle of the power pressing plate 3, i.e., below the switch module 2, to reduce the rotation amplitude of the power pressing plate 3, and further reduce the overall volume. Meanwhile, the power steering is directly realized on the power pressing plate 3, so that external force steering transmission parts can be reduced, the transmission reliability is improved, and the whole volume is further reduced. Preferably, the person skilled in the art can properly approach the rotator 33 to the force receiving portion 31, increasing the displacement amplifying effect of the power pressing plate 3 on the trigger plate 32, and also reducing the restoring force required by the power pressing plate 3.

Furthermore, the bracket 1 is provided with a connecting hole 11, and the rotator 33 is inserted into the connecting hole 11 and can rotate in the connecting hole 11. The rotating body 33 and the power pressing plate 3 are integrally formed, and in the embodiment, stamping forming is adopted, so that rotating shaft parts are reduced, and the rotation reliability of the power pressing plate 3 is improved. Meanwhile, the assembly space is reduced, and the overall layout is more compact.

Preferably, the power pressing plate 3, the force receiving portion 31 and the trigger plate 32 are integrally punched and bent to form, the force receiving portion 31 is tilted upwards, and the force receiving portion 31 comprises a force receiving portion arranged at one end far away from the power pressing plate 3. The number of parts is reduced, thereby shortening the assembly process and reducing the production cost.

Preferably, in the present embodiment, a connection portion 34 is provided between the trigger plate 32 and the power pressing plate 3, and the connection portion 34 extends to the trigger portion 21 to a position where the trigger plate 32 corresponds to the trigger portion. The connecting part 34 sends the trigger plate 32 to the outer side of the trigger part 21, so that the distance between the trigger plate 32 and the trigger part 21 is reduced, the ineffective rotation distance of the trigger plate 32 is reduced, the whole volume is further reduced, and the sensitivity is improved.

Further, a trigger inclined surface 321 is disposed on one side of the trigger plate 32 near the trigger portion 21, and the trigger inclined surface 321 is inclined from bottom to top in a direction away from the trigger portion 21. The trigger plate 32 is provided with the trigger inclined plane 321, so that the distance between the trigger plate 32 and the trigger part 21 can be quickly changed in the ascending process of the trigger plate 32, and meanwhile, the vertical motion component and the parallel motion component of the trigger part 21 are utilized when the trigger plate 32 performs circular motion, so that the distance of the trigger plate 32, which is required to approach the trigger part 21, is smaller than the direct trigger distance of the switch module 2, the whole volume is further reduced, and the sensitivity of the auxiliary switch is improved.

Preferably, the bracket 1 is provided with a containing groove 12, the switch module 2 is arranged in the containing groove 12, the wing plates 13 on two sides of the bracket 1 are provided with connecting holes, and the switch module 2 is connected in the connecting holes through screws.

The switch module 2 is connected with the bracket 1 through a switch connecting hole, and the switch module 2 is a limit switch, a micro switch and an inductive switch. In this embodiment, the switch module 2 is a micro switch, the trigger portion 21 is a micro switch button, and a person skilled in the art may also select an inductive switch, and the trigger portion 21 is an inductive switch induction area. A return spring may be provided between the switch module 2 and the power platen 3.

Preferably, the support 1 is provided with a rebound positioning boss 14 below the power pressing plate 3, and the rebound positioning boss 14 protrudes from the support 1 towards the power pressing plate 3. After the external force is lost by the force bearing part 31, the button on the switch component 2 is reset, the power pressing plate 3 is reset by pushing the trigger plate 32, and the rebound positioning boss 14 limits the distance between the power pressing plate 3 and the bracket when the power pressing plate 3 is separated from the button for resetting, so that the switch component is prevented from being started by mistake due to bottom contact rebound of the power pressing plate 3. Preferably, the rebound positioning boss 14 is provided with a ballistic resistant flexible material.

Further, the support 1 is further provided with a limiting head 15 and a connecting body 16, the power pressing plate 3 is provided with a limiting groove 35, the connecting body 16 is arranged in the limiting groove 35 in a penetrating mode, one end of the connecting body is connected to the limiting head 15, the other end of the connecting body is connected to the bottom of the support 1, and the width of the limiting head 15 is larger than that of the connecting body 16 and the width of the limiting groove 35. The limiting power pressing plate 3 can only rotate at the distance between the bracket 1 and the limiting head 15, and is just attached to the button of the switch module 2 when the power pressing plate 3 is not stressed. Meanwhile, after the power pressing plate 3 is reset, when the reset force of the power pressing plate pushed by the button is eliminated, the power pressing plate 3 is just abutted to the limiting head 15, and the power pressing plate is further prevented from rebounding.

In this embodiment, the limiting head 15 and the connecting body 16 are integrally formed by punching and bending the bracket, and the initial position of the pressing plate 3 can be controlled by adjusting the bending angle during debugging.

Example two

The principle of the present embodiment is basically the same as that of the first embodiment, except that the bracket 1 includes a first bracket 1a and a second bracket 1b, the first bracket 1a and the second bracket 1b surround to form a containing groove 12 for containing the switch module 2, the joint of the first bracket 1a and the second bracket 1b is provided with a positioning protrusion 17 and a positioning groove 18 which are mutually matched, and a bottom plate of the bracket 1 close to one side of the power pressing plate 3 is provided with a mounting hole.

Example III

The basic principle of the embodiment is basically the same as that of the second embodiment, and the difference is that the first bracket 1a and the second bracket 1b are punched and bent outwards to form an installation table, and the installation table is provided with an installation hole.

The specific embodiments described herein are offered by way of example only to illustrate the spirit of the utility model. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions thereof without departing from the spirit of the utility model or exceeding the scope of the utility model as defined in the accompanying claims.

Although terms such as the bracket 1, the connection hole 11, the receiving groove 12, the wing plate 13, the rebound positioning boss 14, the spacing head 15, the connection body 16, the positioning protrusion 17, and the positioning groove 18, the switch module 2, the triggering portion 21, the power pressing plate 3, the force receiving portion 31, the triggering plate 32, the triggering slope 321, the rotator 33, the connection portion 34, the spacing groove 35 are used more herein, the possibility of using other terms is not excluded. These terms are used merely for convenience in describing and explaining the nature of the utility model; they are to be interpreted as any additional limitation that is not inconsistent with the spirit of the present utility model.

Claims

1. The utility model provides a linkage auxiliary switch, includes support (1), support (1) in be provided with a plurality of switch module (2), switch module (2) on be provided with trigger portion (21), its characterized in that, trigger portion (21) place side on switch module (2) is adjacent arbitrary one side be provided with power clamp plate (3) outward, power clamp plate (3) keep away from trigger portion (21) one end and extend switch module (2) and be provided with atress portion (31), the other end reverse extension switch module (2) and be provided with trigger plate (32) that trigger switch module (2) to open or close after power clamp plate (3) atress motion and switch module (2) produce the displacement.

2. The linkage auxiliary switch according to claim 1, wherein the power pressing plate (3) is provided with a rotating body (33) protruding from the power pressing plate (3), and the rotating body (33) is rotatably connected to the bracket (1).

3. The linkage auxiliary switch according to claim 2, wherein the power pressing plate (3) is arranged below the switch module (2), the bracket (1) is provided with a connecting hole (11), and the rotator (33) is inserted into the connecting hole (11) and can rotate in the connecting hole (11).

4. The linkage auxiliary switch according to claim 2, wherein the power pressing plate (3), the stress part (31), the trigger plate (32) and the rotator (33) are integrally punched and bent to form, the stress part (31) is tilted upwards, the stress part (31) comprises a stress fin arranged at one end far away from the power pressing plate (3), and a stress inclined plane is arranged on the stress fin.

5. The linkage auxiliary switch according to claim 1, wherein a connecting part (34) is arranged between the trigger plate (32) and the power pressing plate (3), and the connecting part (34) and the power pressing plate (3) are L-shaped and extend to the trigger part (21) to the position where the trigger plate (32) corresponds to the trigger part.

6. The linkage auxiliary switch according to claim 5, wherein a trigger inclined surface (321) is arranged on one side of the trigger plate (32) close to the trigger part (21), and the trigger inclined surface (321) is inclined from bottom to top in a direction away from the trigger part (21).

7. The linkage auxiliary switch according to any one of claims 1-6, wherein the bracket (1) is provided with a containing groove (12), the switch module (2) is arranged in the containing groove (12), the wing plates (13) on two sides of the bracket (1) are provided with switch connecting holes, the switch module (2) is connected with the bracket (1) through the connecting holes, and the switch module (2) is a limit switch, a micro switch or an induction switch.

8. The linkage auxiliary switch according to claim 7, wherein the bracket (1) is provided with a rebound positioning boss (14) below the power pressing plate (3), and the rebound positioning boss (14) protrudes from the bracket (1) towards the power pressing plate (3).

9. The linkage auxiliary switch according to claim 7, wherein the support (1) is further provided with a limiting head (15) and a connecting body (16), the limiting head (15) and the connecting body (16) are formed by punching and bending the support (1) into a whole, the power pressing plate (3) is provided with a limiting groove (35), the connecting body (16) is arranged in the limiting groove (35) in a penetrating mode, one end of the connecting body (16) is connected to the limiting head (15), the other end of the connecting body is connected to the bottom of the support (1), and the width of the limiting head (15) is larger than that of the connecting body (16) and the limiting groove (35).

10. The linkage auxiliary switch according to claim 1, wherein the bracket (1) comprises a first bracket (1 a) and a second bracket (1 b), the first bracket (1 a) and the second bracket (1 b) are surrounded to form a containing groove (12) for containing the switch module (2), a connecting part of the first bracket (1 a) and the second bracket (1 b) is provided with a positioning lug (17) and a positioning groove (18) which are matched with each other, and a mounting hole is formed in a bottom plate of one side of the bracket (1) close to the power pressing plate (3).