CN221079861U - A universal micro switch - Google Patents

Abstract

The utility model discloses a universal microswitch, which relates to the technical field of switches and comprises a box cover and a box body which are clamped with each other, wherein a switch structure formed by a driving rod and a switch button is arranged between the box cover and the box body, a lever is sleeved on a common terminal of the switch button, switch button contacts are arranged on two sides of the top end of the switch button lever, an elastic component for supporting the switch button lever is clamped between the switch button lever and the common terminal of the switch button, a slope structure for shifting the switch button lever is further arranged on the common terminal of the switch button, and a switch button spring piece groove is used for being matched with a mounting spring piece. Compared with the prior art, the utility model optimizes the transmission effect through the mechanical structure and improves the working efficiency of the micro switch.

Description

Universal micro-switch

Technical Field

The utility model relates to the technical field of switches, in particular to a universal micro-switch.

Background

The micro switch is a kind of switch with micro contact interval and fast acting mechanism, and is covered with casing and has driving rod outside, and has relatively small electric shock interval, so called sensitive switch.

For example, publication No. CN204480932U discloses a general micro switch, including the bullet touch device that sets up in the middle of normal close terminal and normally open terminal and be connected with normal close terminal to and the push device of bullet touch device connection public terminal one end, press the extension spring in the bullet touch device through the push device and realize bullet touch device quick control switch-on or break, because the force acts on extension spring intermediate position, the extension spring needs intermediate spring to realize deformation and pulls control movable contact and quick switch-on or break of fixed contact, the extension spring middle part has been collapsed easily for a long time, the extension spring elasticity support of push device is weakened, the effect of pressing is worsened, therefore, we disclose a general micro switch and replace the extension spring structure through mechanical structure optimization transmission effect and satisfy the demand.

Disclosure of utility model

The present utility model is directed to a general-purpose micro switch, which solves the above-mentioned problems of the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a general type micro-gap switch, includes lid and box body of mutual joint, be equipped with the switch structure that actuating lever and shift knob constitute between lid and the box body, the card is equipped with normally open terminal, normally closed terminal and public terminal between lid and the box body, be equipped with the contact on normally open terminal and the normally closed terminal, the cover is equipped with the lever on the public terminal, the top both sides of lever are equipped with the contact, the lever with the card is equipped with between the public terminal and is used for supporting the elastic component of lever, still be equipped with on the public terminal and be used for the slope structure of lever skew, rectangular channel and shell fragment groove have been seted up on the public terminal, T type groove and shell fragment groove have been seted up on the lever, the shell fragment groove is used for the cooperation installation spring piece, T type groove with rectangular channel is used for the cooperation the spring piece is placed and the required space of bending deformation.

Preferably, the common terminal and the lever are provided with a placing groove for clamping the elastic component.

Preferably, the driving rod is rotatably clamped between the box cover and the box body, and penetrates through the box cover and the box body.

Preferably, the common terminal adopts a concave structure for placing the elastic member.

Preferably, the surfaces of the spring plate grooves formed on the lever and the common terminal are parallel to each other.

Preferably, the T-shaped slot presents a T-shaped structure and the T-shape has room to realize the up-and-down offset of the lever.

Preferably, the switch button is arranged on the box body in a clamping way, and the lower end of the switch button is arc-shaped.

The utility model has the technical effects and advantages that:

1. The utility model has reasonable structure, when an external object collides with the driving rod, the driving rod rotates to press the switch button, the switch button moves downwards to collide one end of the lever, the lever moves downwards to collide the elastic component, the elastic component spring contracts, the lever moves towards one side of the switch button under the action of the slope structure, the lever moves downwards in a tilting way, the obliquely installed spring piece compresses and deforms inwards, the spring piece deforms to a certain extent, contacts which mutually collide with the lever and the normally open terminal are separated, contacts on the other surface of the lever collide with contacts on the normally closed terminal, power failure is realized, the spring piece is obliquely installed, the spring piece is supported by the elastic component under the lever for being used in a matched way, the inclined movement of the lever is realized, a certain distance is realized, and when the external object does not collide, the spring piece and the elastic component act together to realize the reset, the structure is simple, the installation is convenient, the stability of the device is increased, the single elastic device is avoided to control the lever and the switch button to reset, the loss is reduced, and the service life is prolonged.

2. According to the utility model, the mounting grooves for clamping the elastic component are formed on the public terminal and the lever, and the mounting grooves are formed, so that the structure is simple, the elastic component is attached to the elastic mechanism, a certain elastic force is reserved when the elastic component is placed in the mounting grooves, the lever can be better supported, and the stability of the device is improved.

Drawings

FIG. 1 is a schematic perspective view of a general microswitch;

FIG. 2 is a schematic diagram of the internal structure of a general microswitch;

FIG. 3 is a schematic diagram of a common terminal structure of a general micro-switch;

FIG. 4 is a schematic diagram of a generic micro-switch lever configuration;

fig. 5 is an enlarged schematic view of the structure at a in fig. 2.

In the figure: 1. a box cover; 2. a case body; 3. a driving rod; 4. a switch button; 5. a normally open terminal; 6. a normally closed terminal; 7. a common terminal; 8. rectangular grooves; 9. spring plate grooves; 10. a mounting groove; 11. a lever; 12. a T-shaped groove; 13. a contact; 14. a spring piece; 15. an elastic component; 16. a ramp structure.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The utility model provides a general micro switch as shown in figures 1-5, which comprises a box cover 1 and a box body 2 which are clamped with each other, wherein a switch structure formed by a driving rod 3 and a switch button 4 is arranged between the box cover 1 and the box body 2, a normally open terminal 5, a normally closed terminal 6 and a public terminal 7 are clamped between the box cover 1 and the box body 2, contacts 13 are arranged on the normally open terminal 5 and the normally closed terminal 6, a lever 11 is sleeved on the public terminal 7, contacts 13 are arranged on two sides of the top end of the lever 11, an elastic component 15 for supporting the lever 11 is clamped between the lever 11 and the public terminal 7, a slope structure 16 for shifting the lever 11 is also arranged on the public terminal 7, a rectangular groove 8 and an elastic piece groove 9 are arranged on the public terminal 7, a T-shaped groove 12 and an elastic piece groove 9 are arranged on the lever 11, the elastic piece groove 9 is used for being matched with a space required by the placement and bending deformation of the T-shaped groove 12 and the rectangular groove 8, in the actual use process, when an external object collides with the driving rod 3, the driving rod 3 rotates to press the switch button 4, the switch button 4 moves downwards to collide one end of the lever 11, the lever 11 moves downwards to collide the elastic component 15, the elastic component 15 is in spring shrinkage, meanwhile, the lever 11 moves towards one side of the switch button 4 under the action of the slope structure 16, the lever 11 moves downwards in an inclined way, the obliquely installed spring piece 14 is compressed and deformed inwards, the deformation of the spring piece 14 reaches a certain degree, the contact 13 which mutually collides with the lever 11 and the normally open terminal 5 is separated, the contact 13 on the other surface of the lever 11 collides with the contact 13 on the normally closed terminal 6, the power is cut off, the slope structure 16 on the common terminal 7 is supported to reset by the elastic component 15 under the inclined installation spring piece 14 and the lever 11 for cooperation use, realize lever 11 tilting movement, reach certain distance quick disconnection, when the foreign object is not contradicted, spring leaf 14 and elastic component 15 combined action realize resetting, simple structure, the installation of being convenient for has increased the stability of device, avoids using single elastic device control lever 11 and shift knob 4 to reset, has reduced the loss, has improved life.

Further, in this embodiment, as shown in fig. 2, the common terminal 7 and the lever 11 are provided with the placement groove 10 for clamping the elastic component 15, and by setting the placement groove 10, the structure is simple, the elastic mechanism is attached, the elastic component 15 is placed in and retains a certain elastic force, so that the lever 11 can be better supported, and the stability of the device is improved.

Further, in this embodiment, as shown in fig. 1, the driving rod 3 is rotatably clamped between the box cover 1 and the box body 2, and passes through the box cover 1 and the box body 2 of the driving rod 3, and by setting the driving rod 3 to pass through the box cover 1 and the box body 2, the width of the driving rod 3 is increased, so that the switch button 4 can be comprehensively covered, and meanwhile, when the box cover 1 is buckled, the rotating leg of the driving rod 3 can be seen for convenient installation, thereby improving the convenience of the micro switch.

Further, in this embodiment, as shown in fig. 3, the common terminal 7 adopts a concave structure for placing the elastic component 15, and by setting the common terminal 7 to be in a concave structure, the depth of the concave is greater than the distance of the elastic component 15 completely shrinking, so that the situation that the switch button 4 cannot be completely pressed down into the switch due to insufficient distance of the elastic component 15 is avoided, and the safety of the device is improved.

Further, in this embodiment, as shown in fig. 4, the spring plate grooves 9 formed on the lever 11 and the common terminal 7 are parallel to each other on the surface, the T-shaped groove 12 has a T-shaped structure and a space for the T-shaped groove to realize the vertical offset of the lever 11, and by forming the T-shaped groove 12 and the spring plate grooves 9 parallel to each other, the lever 11 has an inclined space, and the spring plate 14 can be inserted obliquely.

Further, in this embodiment, as shown in fig. 2, the switch button 4 is mounted on the box 2 in a clamped manner, and the lower end of the switch button 4 is arc-shaped, so that the lever 11 can be tightly attached when being inclined.

The working principle of the utility model is as follows: when the external object is abutted to the driving rod 3, the driving rod 3 rotates to press the switch button 4, the switch button 4 moves downwards to abut against one end of the lever 11, the lever 11 moves downwards to abut against the elastic component 15, the elastic component 15 contracts in a spring, meanwhile, the lever 11 moves towards one side of the switch button 4 under the action of the slope structure 16, the lever 11 moves downwards in a tilting mode, the spring piece 14 installed in a tilting mode is compressed and deformed inwards, the spring piece 14 deforms to a certain extent, the contact 13 abutting against the normally-closed terminal 5 is separated, the contact 13 on the other surface of the lever 11 abuts against the contact 13 on the normally-closed terminal 6, power outage is achieved, the inclined movement of the lever 11 is achieved through supporting and using the slope structure 16 on the common terminal 7 under the inclined installation spring piece 14 and the lever 11, a certain distance is rapidly broken, the spring piece 14 and the elastic component 15 act together to achieve resetting when the external object is not abutted against, the structure is simple, the stability of the device is improved, the single elastic device is prevented from controlling the lever 11 and the switch button 4 to reset, loss is reduced, and service life is prolonged.

Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.

Claims (7)

1. The utility model provides a general type micro-gap switch, includes lid (1) and box body (2) of mutual joint, its characterized in that: the utility model discloses a spring leaf spring, including lid (1), box body (2), lid (1), switch button (4) and the switch structure that constitutes are equipped with actuating lever (3) and switch button between lid (2), the card is equipped with between lid (1) and box body (2) normally open terminal (5), normally closed terminal (6) and public terminal (7), be equipped with contact (13) on normally open terminal (5) and normally closed terminal (6), the cover is equipped with lever (11) on public terminal (7), the top both sides of lever (11) are equipped with contact (13), lever (11) with the card is equipped with between public terminal (7) and is used for supporting elastic component (15) of lever (11), still be equipped with on public terminal (7) be used for slope structure (16) of lever (11) skew, rectangular channel (8) and shell fragment groove (9) have been seted up on public terminal (7), T type groove (12) and shell fragment groove (9) are used for cooperation installation (14) on lever (11), T type groove (12) and rectangular channel (8) are used for cooperation spring leaf spring (14) required to be placed in space.

2. A universal microswitch as in claim 1 wherein: and the public terminal (7) and the lever (11) are provided with a placing groove (10) for clamping the elastic component (15).

3. A universal microswitch as in claim 2 wherein: the driving rod (3) is rotationally clamped between the box cover (1) and the box body (2), and the driving rod (3) penetrates through the box cover (1) and the box body (2).

4. A universal microswitch as in claim 1 wherein: the common terminal (7) adopts a concave structure for placing the elastic component (15).

5. The universal microswitch as in claim 4 wherein: the surfaces of the elastic piece grooves (9) arranged on the lever (11) and the common terminal (7) are parallel.

6. A universal microswitch as in claim 2 wherein: the T-shaped groove (12) is of a T-shaped structure, and space is reserved in the T shape for realizing the up-and-down offset of the lever (11).

7. A universal microswitch as in claim 1 wherein: the switch button (4) is arranged on the box body (2) in a clamping mode, and the lower end of the switch button (4) is arc-shaped.