CN219435724U - Contact switch device for elevator door - Google Patents

Abstract

The utility model discloses an elevator door contact switch device, and belongs to the field of elevator manufacturing. The utility model comprises seven parts of a fixed cover, a fixed seat, a spring, a guard post and a U-shaped needle; the fixing seat is internally provided with a left cavity and a right cavity, the two cavities are respectively provided with a spring and a pillar, one ends of the springs and the springs are respectively connected with a pillar and a pillar, the other ends of the springs and the pillar are connected with a fixed cover, the pillar and the pillar are hollow, two pins of a U-shaped needle are respectively covered, a hole is respectively arranged below the two cavities, the pillar and the pillar covering the two pins of the U-shaped needle penetrate through the holes from the inside of the cavities, and the fixed cover and the fixing seat are tightly matched without looseness.

Description

Contact switch device for elevator door

Technical Field

The utility model relates to an elevator door contact switch device; in particular to a door contact pin for an elevator door; belongs to the field of elevator manufacture.

Background

At present, in the elevator industry, a contact type door switch which plays a role in electrically verifying a door in-place state and a door lock locking state mostly adopts a contact pin and socket type switch structure. The existing contact pin is of an integrated structure, the internal U-shaped needle is fixed relative to the contact pin shell, when the contact pin is used, the contact points in the socket are compressed by the pin pins of the contact pin to realize electric conduction, in the actual use process, if the compression amount of the contact points in the contact pin and the socket is too large, the service life of the contact pin can be influenced, and the relative displacement between the pin pins on the contact pin and the contact points in the socket is correspondingly increased due to the fact that the compression amount of the contact pin is increased, the abrasion loss between the contact pins and the contact points in the socket is also relatively increased, and the service life of a switch can be influenced.

Disclosure of Invention

In order to solve the problems, I design the contact pin to change the original shape, and arrange a spring in the contact pin to realize the compressible pin, so that a larger compression stroke can be satisfied by the common compression of the elastic sheet in the socket and the contact pin, thus playing a role in protecting the elastic sheet, and in addition, the common compression of the elastic sheet and the contact pin can reduce the relative displacement between the contact in the socket and the pin of the contact pin, reduce the abrasion loss between the contact and the pin, and prolong the service life of the switch; in addition, the compressible design of the contact pin can also play a role in protecting when vibrating in the running process of the elevator.

The utility model is realized in the following way: an elevator door contact switch device comprises seven parts, namely a fixed cover, a fixed seat, a first spring, a second spring, a first guard post, a second guard post and a U-shaped needle; the fixing seat is internally provided with a left cavity and a right cavity, a first spring and a second spring are respectively arranged in the two cavities, one ends of the first spring and the second spring are respectively connected with a first guard post and a second guard post, the other ends of the first spring and the second spring are connected with a fixing cover, the first guard post and the second guard post are hollow, two pins of a U-shaped needle are respectively covered, a hole is formed below each of the two cavities, the first guard post and the second guard post which cover the two pins of the U-shaped needle penetrate through the holes from the interiors of the cavities, and the fixing cover and the fixing seat are tightly matched without looseness; the first guard post and the second guard post are circular cylinders; two clamping grooves are formed in the fixed cover at positions corresponding to the first spring and the second spring; clamping columns are respectively arranged on the first guard column and the second guard column at positions corresponding to the first spring and the second spring; the method is characterized in that: one end of the first spring and one end of the second spring are respectively matched with the two clamping grooves on the fixed cover, and the other end of the first spring and the other end of the second spring are respectively matched with the clamping columns on the first guard post and the second guard post; the U-shaped needle can move up and down along with the first guard post and the second guard post.

As described above, the elevator door contact switching device of the present utility model has the following beneficial effects:

the contact pin of the door contact switch is designed to be in a compressible form, and can be met by jointly compressing the elastic sheet and the contact pin in the socket when a larger compression stroke is needed, so that the elastic sheet is protected, and in addition, the relative displacement between the contact in the socket and the pin of the contact pin can be reduced by jointly compressing the elastic sheet and the contact pin, so that the abrasion loss between the contact pin and the contact pin is reduced, and the service life of the switch is prolonged; in addition, the compressible design of the contact pin can also play a role in protecting when vibrating in the running process of the elevator.

Drawings

Fig. 1 is a schematic diagram showing the overall structure of an elevator door contact switching device according to an embodiment of the present utility model.

Fig. 2 is a cross-sectional view showing the whole structure of an elevator door contact switching device according to an embodiment of the present utility model.

Fig. 3 is a cross-sectional view showing the whole structure of an elevator door contact switching device according to the embodiment of the utility model.

Reference numerals illustrate:

11. a fixed cover; 12. a fixing seat; 13. a first spring; 14. a second spring; 15. a first pillar; 16. a second pillar; 17. u-shaped needle.

Detailed Description

Further advantages and effects of the present utility model will become apparent to those skilled in the art from the disclosure of the present utility model, which is described by the following specific examples.

Please refer to fig. 1 to 3. It should be understood that the structures, proportions, sizes, etc. shown in the drawings are shown only in connection with the present disclosure, and are not intended to limit the scope of the utility model, which is defined by the claims, but rather by the claims, without departing from the spirit and scope of the utility model. Also, the terms such as "upper", "lower", "left", "right", "vertical", "lateral", "front and rear", "middle" and "a" and the like are used in this specification for convenience of description, and are not intended to limit the scope of the present utility model, but rather to limit the scope of the present utility model, and the relative changes or modifications thereof without substantial changes to the technical content are considered as the scope of the present utility model.

Referring to fig. 1 to 3, the present utility model provides an elevator door contact switch device, which comprises seven parts including a fixed cover 11, a fixed seat 12, a first spring 13, a second spring 14, a first guard post 15, a second guard post 16 and a U-shaped needle 17; the fixing seat is internally provided with a left cavity and a right cavity, the two cavities are respectively provided with a first spring 13 and a second spring 14, one ends of the first spring 13 and the second spring 14 are respectively connected with a first guard post 15 and a second guard post 16, the other ends of the first spring 15 and the second guard post 16 are connected with the fixing cover, the interiors of the first guard post 15 and the second guard post 16 are hollow, two pins of the U-shaped needle 17 are respectively covered, a hole is formed below the two cavities, the first guard post 15 and the second guard post 16 covering the two pins of the U-shaped needle 17 penetrate through the holes from the interiors of the cavities, and the fixing cover and the fixing seat are tightly matched without looseness; the first guard post 15 and the second guard post 16 are circular cylinders; two clamping grooves are formed in the fixed cover at positions corresponding to the first spring 13 and the second spring 14; clamping columns are respectively arranged on the first guard column 15 and the second guard column 16 at positions corresponding to the first spring 13 and the second spring 14; the method is characterized in that: one end of the first spring 13 and one end of the second spring 14 are respectively matched with two clamping grooves on the fixed cover, and the other end of the first spring is respectively matched with clamping columns on the first guard post 15 and the second guard post 16; the U-shaped needle 17 follows the bollard one 15 and the bollard two 16 to move up and down.

In summary, the contact pin of the door contact switch is designed to be in a compressible form, and can be compressed together by the elastic sheet and the contact pin in the socket to meet the requirement when a larger compression stroke is needed, so that the elastic sheet is protected, and in addition, the mutual compression of the elastic sheet and the contact pin can reduce the relative displacement between the contact in the socket and the pin of the contact pin, reduce the abrasion loss between the contact and the contact pin, and prolong the service life of the switch; in addition, the compressible design of the contact pin can also play a role in protecting when vibrating in the running process of the elevator.

The above embodiments are merely illustrative of the principles of the present utility model and its effectiveness, and are not intended to limit the utility model. Modifications and variations may be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the utility model. Accordingly, it is intended that all equivalent modifications and variations of the utility model be covered by the claims, which are within the ordinary skill of the art, be within the spirit and scope of the present disclosure.

Claims (6)

1. An elevator door contact switching device, characterized in that it comprises: seven parts of a fixed cover (11), a fixed seat (12), a first spring (13), a second spring (14), a first guard post (15), a second guard post (16) and a U-shaped needle (17); the fixing seat (12) is internally provided with a left cavity and a right cavity, a first spring (13) and a second spring (14) are respectively arranged in the two cavities, one ends of the first spring (13) and the second spring (14) are respectively connected with a first guard post (15) and a second guard post (16), the other ends of the first guard post (15) and the second guard post (16) are connected with a fixed cover, the two ends of the first guard post and the second guard post (16) are hollow, two pins of a U-shaped needle (17) are respectively covered, a hole is formed below each of the two cavities, the first guard post (15) and the second guard post (16) covering the two pins of the U-shaped needle (17) penetrate through the holes from the inside of the cavities, and the fixed cover (11) and the fixing seat (12) are tightly matched without looseness.

2. An elevator door contact switching device as defined in claim 1, wherein: the first guard post (15) and the second guard post (16) are circular cylinders.

3. An elevator door contact switching device as defined in claim 1, wherein: two clamping grooves are formed in the fixed cover (11) at positions corresponding to the first spring (13) and the second spring (14).

4. An elevator door contact switching device as defined in claim 1, wherein: clamping columns are respectively arranged on the first guard post (15) and the second guard post (16) at positions corresponding to the first spring (13) and the second spring (14).

5. An elevator door contact switching device as defined in claim 4, wherein: one end of the first spring (13) and one end of the second spring (14) are respectively matched with two clamping grooves on the fixed cover (11) in the direction, and the other end of the first spring is respectively matched with two clamping columns on the first guard post (15) and the second guard post (16).

6. An elevator door contact switching device as defined in claim 1, wherein: the U-shaped needle (17) can move up and down along with the first guard post (15) and the second guard post (16).