Elevator door lock switch

By designing elastic brackets and vibration motors in the elevator door lock switch, to ensure close contact with active contacts with active contacts, and to remove dust through the vibration, solve the problem of poor contact contact contact with the elevator door lock switch, increase the elevator’s elevator’s Use safety.

CN222410637UActive Publication Date: 2025-01-28NINGBO BETO ELECTRIC
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Patent Information

Application Number
CN202323553148.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2023-12-26
Publication Date
2025-01-28
Estimated Expiration
2033-12-26

AI Technical Summary

Technical Problem

The contacts of the existing elevator door lock switches are prone to poor contacts and the active contacts, which affects the safety of elevator use.

Method used

Designed a type of elevator door lock switch, and by setting up elastic brackets, supporting boards, second sliding tube, second slide blocks, sliding holes, sliding columns, and pushing brackets to ensure passive main contact and passive side contacts and active contacts Tight contact. In addition, by setting up the vibration motor and the first spring, using the coordination of vibration and spring to make the dust on the passive contacts shake off and prevent poor contact.

Benefits of technology

Effectively avoid the problem of poor contact of the elevator door lock switch, improve the safety of the elevator, and use the cooperation of the vibration motor to ensure the cleaning of the contacts and avoid poor contact caused by dust.

✦ Generated by Eureka AI based on patent content.

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    Figure CN222410637U_ABST
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Abstract

The utility model relates to the technical field of elevators, and discloses an elevator door lock switch which comprises a shell, the front face of the shell is fixedly connected with a cover plate, the left side of the shell is provided with a first through hole, the right side of the shell is provided with a second through hole, and the inner wall of the shell is fixedly connected with an elastic support. The right side of the elastic support is fixedly connected with a supporting plate, and the upper surface of the supporting plate is fixedly connected with a passive main contact. According to the utility model, through the spring support, the supporting plate, the second sliding cylinder, the second sliding block, the sliding hole, the inclined column and the pushing support, when the active contact is inserted into the first through hole or the second through hole, the passive main contact and the passive auxiliary contact can automatically move a certain distance towards one side close to the active contact; and the passive main contact and the passive auxiliary contact can be in close contact with the active contact, so that poor contact between the contact on the elevator door lock switch and the active contact is avoided.
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Description

Technical Field

[0001] The utility model relates to the technical field of elevators, in particular to an elevator door lock switch. Background Art

[0002] An elevator is a permanent transportation device that serves several specific floors in a building and whose car runs on at least two rows of rigid tracks that are perpendicular to the horizontal plane or have an inclination angle of less than 15° to the plumb line.

[0003] At present, the elevator door lock switch is mainly composed of a shell, a cover plate, a passive main contact and a passive auxiliary contact. For example, Chinese Patent Publication No. CN217376945U discloses an elevator door lock switch and an elevator door lock device. However, when the elevator door lock switch is in use, the contact of the elevator door lock switch and the active contact are often not in close contact or dust is adsorbed on the contact, which may cause poor contact between the contact of the elevator door lock switch and the active contact, thereby affecting the safety of the elevator. Utility Model Content

[0004] The purpose of the utility model is to solve the shortcomings existing in the prior art, such as: at present, when an elevator door lock switch is in use, the contact of the elevator door lock switch and the active contact is often not in close contact or dust is adsorbed on the contact, which leads to poor contact between the contact of the elevator door lock switch and the active contact, thereby affecting the safety of the elevator. An elevator door lock switch is proposed.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] An elevator door lock switch comprises a shell, a cover plate is fixedly connected to the front of the shell, a first through hole is opened on the left side of the shell, a second through hole is opened on the right side of the shell, an elastic bracket is fixedly connected to the inner wall of the shell, a support plate is fixedly connected to the right side of the elastic bracket, a passive main contact is fixedly connected to the upper surface of the support plate, a second slide cylinder is fixedly connected to the inner wall of the shell, a second slider is fitted on the inner wall of the second slide cylinder, a passive auxiliary contact is fixedly connected to the left side of the second slider, a sliding hole is opened inside the second slider, an inclined column is fixedly connected to the left side of the elastic bracket, the surface of the inclined column contacts the inner wall of the sliding hole, a push bracket is fitted on the bottom of the elastic bracket, and the back side of the push bracket is fixedly connected to the inner wall of the shell.

[0007] Preferably, the elastic bracket includes a connecting block, the back side of the connecting block is fixedly connected to the inner wall of the shell, the bottom of the connecting block is fixedly connected to a first spring, the bottom of the first spring is fixedly connected to a first slider, the surface of the first slider is fitted with a first slide cylinder, the back side of the first slide cylinder is fixedly connected to the inner wall of the shell, the left and right sides of the first slider are respectively fixedly connected to the right side of the support plate and the left side of the inclined column, and the bottom of the first slider is in contact with the upper surface of the pushing bracket.

[0008] Preferably, the angle between the axis of the inclined column and the left side of the first sliding block is 30°.

[0009] Preferably, the pushing bracket includes a pushing column, the upper surface of the pushing column contacts the bottom of the first sliding block, the surface of the pushing column is fixedly connected to a connecting ring, the bottom of the connecting ring is fixedly connected to a second spring, the bottom of the second spring is fixedly connected to a third sliding cylinder, the inner wall of the third sliding cylinder contacts the surface of the pushing column, and the back side of the third sliding cylinder is fixedly connected to the inner wall of the outer shell.

[0010] Preferably, the angle between the axis of the push column and the bottom of the first sliding block is 60°.

[0011] Preferably, a strip-shaped hole is opened on the front side of the first slide cylinder, a mounting plate is fitted on the inner wall of the strip-shaped hole, and a vibration motor is fixedly connected to the upper surface of the mounting plate.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] (1) The utility model is provided with a spring bracket, a support plate, a second slide cylinder, a second slider, a slide hole, an inclined column and a pushing bracket, wherein when the active contact is inserted into the first through hole or the second through hole, the pushing column can be pushed to slide in the third slide cylinder through the shell on the active contact, and then, through the cooperation of the pushing column, the third slide cylinder, the first slider and the first slide cylinder, the passive main contact moves upward, and through the cooperation of the second slide cylinder, the second slider, the slide hole and the inclined column, the passive auxiliary contact moves leftward, at this time, the passive main contact and the passive auxiliary contact can be in close contact with the active contact, thereby preventing the contact on the elevator door lock switch from having poor contact with the active contact.

[0014] (2) The utility model is provided with a strip hole, a mounting plate and a vibration motor. When the vibration motor is turned on, the first slider jumps up and down through the cooperation of the vibration motor and the first spring, and the passive main contact and the passive auxiliary contact are caused to vibrate. At this time, the dust adsorbed on the passive main contact and the passive auxiliary contact can be shaken off by shaking, so that the elevator door lock switch will not cause poor contact due to dust adsorbed on the contacts. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the structure of the utility model;

[0016] Figure 2 It is a left side view of the housing in the utility model;

[0017] Figure 3 It is a right side view of the housing of the utility model;

[0018] Figure 4 It is a front view of the elastic bracket in the utility model;

[0019] Figure 5 It is a front view of the first slide cylinder in the utility model;

[0020] Figure 6 It is a left view of the second sliding block in the utility model;

[0021] Figure 7 It is a front view of the pushing bracket in the utility model.

[0022] In the figure: 1. shell; 2. cover plate; 3. first through hole; 4. second through hole; 5. elastic bracket; 51. connecting block; 52. first spring; 53. first slider; 54. first slide cylinder; 6. support plate; 7. passive main contact; 8. second slide cylinder; 9. second slider; 10. passive auxiliary contact; 11. sliding hole; 12. inclined column; 13. pushing bracket; 131. pushing column; 132. connecting ring; 133. second spring; 134. third slide cylinder; 14. strip hole; 15. mounting plate; 16. vibration motor. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0024] In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as a limitation on the present invention.

[0025] Embodiment 1:

[0026] Reference Figure 1-7An elevator door lock switch includes a housing 1, a cover plate 2 is fixedly connected to the front of the housing 1, and the opening of the front of the housing 1 is sealed by the cover plate 2. A first through hole 3 is opened on the left side of the housing 1, and a second through hole 4 is opened on the right side of the housing 1. The active contact can be inserted into the housing 1 through the first through hole 3 or the second through hole 4. An elastic bracket 5 is fixedly connected to the inner wall of the housing 1, and a support plate 6 is fixedly connected to the right side of the elastic bracket 5. A passive main contact 7 is fixedly connected to the upper surface of the support plate 6. The passive main contact 7 is connected to the elastic support through the support plate 6. The elastic bracket 5 is connected together, the inner wall of the shell 1 is fixedly connected with a second slide cylinder 8, the inner wall of the second slide cylinder 8 is fitted with a second slider 9, and the second slider 9 can only move left and right through the second slide cylinder 8. A passive auxiliary contact 10 is fixedly connected to the left side of the second slider 9, and a sliding hole 11 is opened inside the second slider 9. An inclined column 12 is fixedly connected to the left side of the elastic bracket 5, and the surface of the inclined column 12 contacts the inner wall of the sliding hole 11. A pushing bracket 13 is fitted with the bottom of the elastic bracket 5, and the back of the pushing bracket 13 is fixedly connected to the inner wall of the shell 1.

[0027] The elastic bracket 5 includes a connecting block 51, the back of the connecting block 51 is fixedly connected to the inner wall of the housing 1, the bottom of the connecting block 51 is fixedly connected to a first spring 52, the bottom of the first spring 52 is fixedly connected to a first slider 53, the surface of the first slider 53 is fitted with a first slide cylinder 54, the first slider 53 can only move up and down through the first slide cylinder 54, when the first slider 53 moves upward, the first spring 52 is compressed through the first slider 53, and the elastic force of the first spring 52 enables the first slider 53 to quickly return to its initial position when not subject to other external forces. The back side of the first slide cylinder 54 is fixedly connected to the inner wall of the shell 1, and the left and right sides of the first slider 53 are respectively fixedly connected to the right side of the support plate 6 and the left side of the inclined column 12. The angle between the axis of the inclined column 12 and the left side of the first slider 53 is 30°. When the first slider 53 moves upward, the second slider 9 moves to the left through the cooperation of the inclined column 12 and the sliding hole 11. When the first slider 53 moves downward, the second slider 9 moves to the right through the cooperation of the inclined column 12 and the sliding hole 11. The bottom of the first slider 53 contacts the upper surface of the push bracket 13.

[0028] The pushing bracket 13 includes a pushing column 131, the upper surface of the pushing column 131 contacts the bottom of the first slider 53, the angle between the axis of the pushing column 131 and the bottom of the first slider 53 is 60°, the surface of the pushing column 131 is fixedly connected with a connecting ring 132, the bottom of the connecting ring 132 is fixedly connected with a second spring 133, the bottom of the second spring 133 is fixedly connected with a third slide cylinder 134, the inner wall of the third slide cylinder 134 contacts the surface of the pushing column 131, the back of the third slide cylinder 134 is fixedly connected to the inner wall of the shell 1, the elastic force of the second spring 133 is less than the elastic force of the first spring 52, the pushing column 131 is in close contact with the first slider 53 through the second spring 133, when the pushing column 131 is subjected to horizontal thrust, the pushing column 131 can push the first slider 53 to move upward through the cooperation between the pushing column 131 and the third slide cylinder 134.

[0029] Embodiment 2:

[0030] Reference Figure 4-5 A strip hole 14 is provided on the front of the first slide 54, and a mounting plate 15 is fitted on the inner wall of the strip hole 14. A vibration motor 16 is fixedly connected to the upper surface of the mounting plate 15. When the vibration motor 16 is turned on, the first slide 53 jumps up and down through the cooperation of the vibration motor 16 and the first spring 52, and the passive main contact 7 and the passive auxiliary contact 10 are shaken. At this time, the dust adsorbed on the passive main contact 7 and the passive auxiliary contact 10 can be shaken off by shaking, so that the elevator door lock switch will not have poor contact due to dust adsorbed on the contacts.

[0031] In the utility model, when the user uses the elevator door lock switch, after the active contact is inserted into the first through hole 3 or the second through hole 4, the shell on the active contact can push the push column 131 to slide in the third slide cylinder 134, and then, through the cooperation of the push column 131, the third slide cylinder 134, the first slider 53 and the first slide cylinder 54, the passive main contact 7 moves upward, and through the cooperation of the second slide cylinder 8, the second slider 9, the slide hole 11 and the inclined column 12, the passive auxiliary contact 10 moves to the left, at this time, the passive main contact 7 and the passive auxiliary contact 10 can both be in close contact with the active contact.

[0032] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

[0033] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

Claims

1. An elevator door lock switch, comprising a housing (1), characterized in that: The front surface of the shell (1) is fixedly connected to a cover plate (2), the left side of the shell (1) is provided with a first through hole (3), the right side of the shell (1) is provided with a second through hole (4), the inner wall of the shell (1) is fixedly connected to an elastic bracket (5), the right side of the elastic bracket (5) is fixedly connected to a support plate (6), the upper surface of the support plate (6) is fixedly connected to a passive main contact (7), the inner wall of the shell (1) is fixedly connected to a second slide cylinder (8), and the second slide cylinder (8) is fixedly connected to the inner wall of the shell (1). ) is fitted on the inner wall of the housing (1), a passive auxiliary contact (10) is fixedly connected to the left side of the second slider (9), a sliding hole (11) is provided inside the second slider (9), an inclined column (12) is fixedly connected to the left side of the elastic bracket (5), the surface of the inclined column (12) contacts the inner wall of the sliding hole (11), a pushing bracket (13) is fitted on the bottom of the elastic bracket (5), and the back side of the pushing bracket (13) is fixedly connected to the inner wall of the housing (1).

2. An elevator door lock switch according to claim 1, characterized in that: The elastic bracket (5) comprises a connecting block (51), the back side of the connecting block (51) is fixedly connected to the inner wall of the housing (1), the bottom of the connecting block (51) is fixedly connected to a first spring (52), the bottom of the first spring (52) is fixedly connected to a first slider (53), the surface of the first slider (53) is fitted with a first slide cylinder (54), the back side of the first slide cylinder (54) is fixedly connected to the inner wall of the housing (1), the left and right sides of the first slider (53) are respectively fixedly connected to the right side of the support plate (6) and the left side of the inclined column (12), and the bottom of the first slider (53) is in contact with the upper surface of the pushing bracket (13).

3. An elevator door lock switch according to claim 2, characterized in that: The angle between the axis of the inclined column (12) and the left side of the first sliding block (53) is 30°.

4. An elevator door lock switch according to claim 2, characterized in that: The pushing bracket (13) includes a pushing column (131), the upper surface of the pushing column (131) contacts the bottom of the first sliding block (53), the surface of the pushing column (131) is fixedly connected with a connecting ring (132), the bottom of the connecting ring (132) is fixedly connected with a second spring (133), the bottom of the second spring (133) is fixedly connected with a third sliding cylinder (134), the inner wall of the third sliding cylinder (134) contacts the surface of the pushing column (131), and the back surface of the third sliding cylinder (134) is fixedly connected with the inner wall of the outer shell (1).

5. An elevator door lock switch according to claim 4, characterized in that: The angle between the axis of the push column (131) and the bottom of the first sliding block (53) is 60°.

6. An elevator door lock switch according to claim 2, characterized in that: A strip-shaped hole (14) is provided on the front side of the first slide cylinder (54), a mounting plate (15) is provided on the inner wall of the strip-shaped hole (14), and a vibration motor (16) is fixedly connected to the upper surface of the mounting plate (15).

Citation Information

Patent Citations

  • Elevator door lock switch and elevator door lock device

    CN217376945U