CN220753274U - Touch switch of elevator door - Google Patents

Abstract

The utility model relates to the field of elevator switches and discloses an elevator door touch switch, which comprises a shell, a movable contact, a static contact and a rotating frame penetrating through the upper part of the shell, wherein the upper end of the rotating frame is respectively provided with a first roller and a second roller which are in rolling connection with the rotating frame; the elevator beating plate of the elevator door pushes the second roller to press or loosen so as to drive the contact to contact with or separate from the static contact. The utility model has smart structure and reliable and smooth operation, can forcedly separate the movable contact from the static contact when the door is opened, and solves the problem that the sintering of the contact and the static contact in the prior art cannot cause the failure of resetting under the action of the spring.

Description

Touch switch of elevator door

Technical Field

The utility model relates to the field of elevator switches, in particular to an elevator door touch switch.

Background

The elevator door switch can ensure that the elevator door is not safely closed in place or the elevator can not normally run under the condition that the elevator door is not locked.

In the prior art, most elevator door switches are single-wheel travel switches, when an elevator is in a plate-beating state and presses rollers to a certain position, a control circuit for controlling the single-wheel travel switches starts to work, after the elevator is in a plate-beating state and moves away, a reset spring enables the single-wheel travel switches to reset, but with the long service time, the automatic telescoping function of the reset spring is weakened, contacts and a static contact are not separated and disconnected under the action of the spring, normal reset of the switches is affected, and the elevator cannot normally run; in addition, along with the use times of the switch become more, the rotating frame moves in the rotating process and is in direct contact with the inner wall of the shell, so that the rotating frame can be worn in the rotating process, and the rotating smoothness of the rotating frame is affected.

Disclosure of Invention

The utility model aims to provide an elevator door touch switch, which can force a movable contact to be separated from a static contact by touching a first roller through the design of the first roller when a door is opened, and solve the problems that in the prior art, an automatic telescoping function of a reset spring is weakened, and the contact cannot be separated from the static contact under the action of the spring due to sintering in a single-wheel travel switch, so that the reset failure is caused.

In order to solve the technical problems, the utility model provides an elevator door touch switch, which comprises a shell, a movable contact, a static contact and a rotating frame penetrating through the upper part of the shell, wherein the rotating frame is rotationally connected with the shell, a first roller and a second roller which are in rolling connection with the rotating frame are respectively arranged at the upper end of the rotating frame, a spring is sleeved at the lower end of the rotating frame, a spring column is arranged on the inner bottom surface of the shell, the lower end of the spring is arranged on the spring column, one end of the movable contact is arranged on one side in the shell through a fastening component, the other end of the movable contact penetrates through the rotating frame and stretches out, a plurality of contacts are arranged at the stretching end of the movable contact, and the static contact is arranged on the other side in the shell through a mounting component;

and the elevator beating plate of the elevator door pushes the second roller to press or loosen so as to drive the contact to contact with or separate from the static contact.

Further, the lower part of the rotating frame is triangular and is connected with the inner wall of the shell through a rotating shaft, a plurality of limit ribs are arranged on the outer wall of the rotating frame, and the limit ribs are attached to the inner wall of the shell.

Further, from left to right in the casing be equipped with first spacing seat, second spacing seat and third spacing seat in proper order, first spacing seat with the second spacing seat is located respectively the lower part both sides of rotating turret, and is used for right the rotation angle of rotating turret carries out spacingly, the setting of third spacing seat is in the below of quiet contact, the third spacing seat with be equipped with the baffle between the spring.

Further, the top surface of the first limiting seat is provided with an arc surface matched with the rotating frame, the upper end of the second limiting seat is a cylinder, the lower end of the second limiting seat is an L-shaped support plate, and the third limiting seat is L-shaped.

Further, the fastening assembly comprises a first cage-type triangular reed and a gasket, a first placement cavity for installing the first cage-type triangular reed is formed in the shell, a first supporting block is arranged in the first placement cavity, the first cage-type triangular reed is sleeved on the outer side of the first supporting block, the inner top surface of the first cage-type triangular reed is attached to the first supporting block, the gasket is arranged above the movable contact and between the second limiting seat and the movable contact, a first limiting groove is formed in the shell, the movable contact and one end of the gasket penetrate through a first socket of the first cage-type triangular reed and are embedded in the first limiting groove, a first threading hole is formed in the side wall of the shell, and the first threading hole is formed in one side of the first socket.

Further, the installation component includes cage triangle reed two and support frame, be equipped with in the casing and be used for the installation cage triangle reed two settle the chamber two, settle and be equipped with supporting shoe two in the chamber two, cage triangle reed two cover is established the outside of supporting shoe two and its interior top surface with supporting shoe two laminating, the support frame is from last to including upper segment and hypomere down, the upper segment is the L style of calligraphy, and the upper end is located the static contact piece with between the spacing seat of third, the lower extreme is located between the spacing seat of third with baffle, be equipped with spacing groove two in the casing, the hypomere passes behind the socket of cage triangle reed two and inlay and establish in the spacing groove two, be equipped with through wires hole two on the casing, the through wires hole two is located one side of socket two.

Further, two symmetrically arranged mounting grooves are formed in the lower portion of the shell, the two mounting grooves are respectively communicated with the first placement cavity and the second placement cavity, handles are arranged in the two mounting grooves, each handle is connected with the shell through a connecting shaft, when a wire is inserted, the two handles rotate, and the top ends of the handles extend into the first placement cavity and the second placement cavity respectively to jack up the first cage-type triangular reed and the second cage-type triangular reed.

Furthermore, an anti-seizing column is embedded in the lower part of the rotating frame, and the anti-seizing column is abutted to the movable contact piece.

Furthermore, a limit post is arranged in the shell in a penetrating way, the limit post is positioned on one side of the second limit seat, and the movable contact piece is contacted with the limit post.

Further, a mounting hole is formed in the side wall of the upper end of the shell.

The beneficial effects of the utility model are as follows:

1. the elevator door lock is ingenious in structure, reliable and smooth in operation, and can force the movable contact to be separated from the static contact by the design of the first roller when the elevator door is opened, so that the problem that the automatic telescoping function of the reset spring in the single-wheel travel switch in the background art is weakened, and the reset failure cannot be caused by sintering of the contact and the static contact under the action of the spring is solved.

2. According to the utility model, through the design of the limit rib, the rotating frame can rotate more smoothly and stably, and direct friction between the rotating frame and the inner wall of the shell in the rotating process can be avoided, so that the elevator baffle plate can be smoother when pushing the first roller or the second roller, and the service life of the switch is further prolonged.

3. According to the utility model, through the design of the fastening assembly, the first gasket and the movable contact piece are not required to be fixed, the first socket of the cage type triangular reed I is matched with the first support block and the second limit seat to clamp the first socket and the second socket, the maintenance efficiency and the operation convenience of the switch can be improved, and the movable contact piece can be conveniently replaced when being worn.

4. According to the utility model, through the structures of the first cage type triangular reed, the second cage type triangular reed and the handle, the installation of the wire tube can be completed rapidly, the wire tube is convenient to disassemble in the later period, and through the design of the installation groove, after the wire tube is installed, the handle can be horizontally arranged in the installation groove, so that the overall attractiveness of the switch is improved.

Drawings

In order to more clearly illustrate the technical solutions of the present utility model, the following description will briefly explain the drawings used in the embodiments or the description of the prior art, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic view of a partial structure of the present utility model;

FIG. 3 is a cross-sectional view of FIG. 2;

FIG. 4 is a schematic view of the structure of the turret of the present utility model;

FIG. 5 is a schematic view of the contact of the present utility model in contact with a stationary contact;

FIG. 6 is a schematic diagram of the structure of the movable contact, gasket, cage-type triangular reed I of the present utility model;

fig. 7 is a schematic structural diagram of a support frame and a cage type triangular reed II;

in the figure: the device comprises a 1-shell, a 2-rotating frame, a 3-movable contact, a 4-static contact, a 5-first roller, a 6-second roller, a 7-spring, an 8-spring column, a 9-rotating shaft, a 10-limiting rib, an 11-first limiting seat, a 12-second limiting seat, a 13-third limiting seat, a 14-baffle, a 15-cage type triangular reed I, a 16-gasket, a 17-installation cavity I, a 18-supporting block I, a 19-limiting groove I, a 20-threading hole I, a 21-cage type triangular reed II, a 22-supporting frame, a 23-installation cavity II, a 24-supporting block II, a 25-limiting groove II, a 26-threading hole II, a 27-installation groove, a 28-handle, a 29-connecting shaft, a 30-anti-jamming column, a 31-contact, a 32-limiting column, a 33-installation hole, a 151-socket I, a 211-socket II, a 221-upper section and a 222-lower section.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. 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.

In a specific embodiment of the utility model, as shown in fig. 1-7, an elevator door touch switch comprises a shell 1, a movable contact piece 3, a static contact piece 4 and a rotating frame 2 penetrating through the upper part of the shell 1, wherein the rotating frame 2 is rotationally connected with the shell 1, a first roller 5 and a second roller 6 which are rotationally connected with the rotating frame 2 are respectively arranged at the upper end of the rotating frame 2, a spring 7 is sleeved at the lower end of the rotating frame, a spring column 8 is arranged at the inner bottom surface of the shell 1, the lower end of the spring 7 is arranged on the spring column 8, one end of the movable contact piece 3 is arranged at one side in the shell 1 through a fastening component, the other end of the movable contact piece 3 penetrates through the rotating frame 2 and stretches out, a plurality of contacts 31 are arranged at the stretching end of the movable contact piece 3, and the static contact piece 4 is arranged at the other side in the shell 1 through a mounting component;

the elevator strike plate 100 of the elevator door pushes the second roller 6 down or up to bring the contact 31 into contact with or separate from the stationary contact 4.

Specifically, the lower part of rotating frame 2 is triangle (see fig. 4) and is connected with the inner wall of casing 1 through axis of rotation 9, is equipped with a plurality of spacing muscle 10 on the outer wall of rotating frame 2, and spacing muscle 10 is laminated with the inner wall of casing 1, can avoid rotating frame 2 and the inner wall direct contact of casing 1, improves the life of rotating frame 2.

In this embodiment, a first limiting seat 11, a second limiting seat 12 and a third limiting seat 13 are sequentially arranged in the shell 1 from left to right, the first limiting seat 11 and the second limiting seat 12 are respectively located at two sides of the lower portion of the rotating frame 2 and are used for limiting the rotating angle of the rotating frame 2, specifically, the top surface of the first limiting seat 11 is provided with an arc surface matched with the rotating frame 2, so that the movement stroke of a switch can be ensured, the situation that the rotating frame 2 rotates too much leftwards to cause the deformation of a movable contact piece to be too large is avoided, and the service life of the switch is prolonged;

specifically, the upper end of the second limiting seat 12 is a cylinder, which can play a role in guiding the rotating process of the rotating frame, so that the rotating frame 2 can rotate conveniently; the lower extreme of second spacing seat 12 is L extension board, can play spacing effect to gasket and movable contact, avoids contact 31 and the separation of static contact 4 when the phenomenon that movable contact 3 breaks away from.

The third spacing seat 13 sets up in the below of quiet contact 4, and the third spacing seat 13 is L type, is equipped with baffle 14 between third spacing seat 13 and the spring 7, can play spacing effect to the support frame, and the design of baffle can avoid the contact of spring and support frame.

The fastening assembly comprises a cage type triangular reed one 15 and a gasket 16 (as shown in fig. 6), a first placing cavity 17 for installing the cage type triangular reed one 15 is arranged in the shell 1, a first supporting block 18 is arranged in the first placing cavity 17, the cage type triangular reed one 15 is sleeved outside the first supporting block 18, the inner top surface of the cage type triangular reed one 15 is attached to the first supporting block 18, the gasket 16 is arranged above the movable contact piece 3 and between the second limiting seat 12 and the movable contact piece 3, a first limiting groove 19 is arranged in the shell 1, one ends of the movable contact piece 3 and the gasket 16 penetrate through a first socket 151 of the cage type triangular reed one 15 to be embedded in the first limiting groove 19, a first threading hole 20 is arranged on the side wall of the shell 1, and the first threading hole 20 is arranged on one side of the first socket 151.

The installation component includes cage triangle reed two 21 and support frame 22 (as figure 7), be equipped with in the casing 1 and be used for installing cage triangle reed two 21 settle the chamber two 23, settle and be equipped with supporting shoe two 24 in the chamber two 23, cage triangle reed two 21 cover is established in the outside of supporting shoe two 24 and its interior top surface is laminated with supporting shoe two 24, support frame 22 is from top to bottom including upper segment 221 and hypomere 222, upper segment 221 is the L style of calligraphy, the upper end is located between static contact 4 and the third spacing seat 13, the lower extreme is located between third spacing seat 13 and baffle 14, be equipped with spacing groove two 25 in the casing 1, hypomere 222 is equipped with through the through wires hole two 26 after inserting the socket two 211 of cage triangle reed two 21 and inlay and establish in spacing groove two 25 on the casing 1, the through wires hole two 26 is located one side of socket two 211.

Two symmetrically arranged mounting grooves 27 are formed in the lower portion of the shell 1, the two mounting grooves 27 are respectively communicated with the first placement cavity 17 and the second placement cavity 23, handles 28 are arranged in the two mounting grooves 27, the handles 28 are connected with the shell 1 through connecting shafts 29, during wire insertion, the two handles 28 rotate, and the top ends of the handles extend into the first placement cavity 17 and the second placement cavity 23 respectively to jack up the lower portions of the first cage type triangular reed 15 and the second cage type triangular reed 21;

specifically, in this embodiment, when installing a line, the two handles 28 are turned inwards to complete the installation of the two lines, specifically, taking the handle 28 below the first cage-type triangular reed 15 as an example, when installing, the handles 28 are turned inwards, the handles 28 jack up the lower part of the first cage-type triangular reed 15, then the line pipe is inserted into the first socket 151 from the first threading hole 20, then the handles 28 are turned reversely to enable the line pipe to be horizontally placed in the installation groove 27, and the line is locked and pressed on the gasket 16 to complete the installation of the line; in the same way, the spool is threaded from the second threading aperture 26 into the second insertion aperture 211 to clamp the spool to the lower section 222 of the support 22.

The anti-jamming column 30 is embedded in the lower portion of the rotating frame 2, the anti-jamming column 30 is abutted to the movable contact piece 3, the phenomenon that the movable contact piece 3 is clamped in the lower portion of the rotating frame 2 after the contact point 31 is contacted with the static contact piece 4 can be avoided, and the reliability and safety of switch use are improved.

The limiting column 32 is arranged in the shell 1 in a penetrating manner, the limiting column 32 is positioned on one side of the second limiting seat 12, the movable contact 3 is contacted with the limiting column 32, and the movable contact can conveniently rotate around the limiting column 32, so that the contact of the movable contact is contacted with the static contact.

Specifically, the upper end side wall of the housing 1 is provided with a mounting hole 33, and the switch can be mounted on the inner wall of the elevator.

The working principle of the utility model is as follows:

when the door is closed, after the elevator baffle 100 moves and touches the second roller 6, the rotating frame 2 rotates and drives the contact 31 of the movable contact piece 3 to contact with the static contact piece 4, so that the communication of a circuit is completed;

when the door is opened, the elevator baffle 100 leaves the second roller 6, the movable contact piece 3 reversely rotates under the reset action of the spring 7, the rotating frame 2 drives the contact 31 to be separated from the static contact piece 4, in addition, along with the door opening, after the elevator baffle 100 moves and touches the first roller 5, the rotating frame 2 rotates to be abutted with the first limiting seat 11, and the contact 31 and the static contact piece 4 at the moment can be completely separated, and the circuit is disconnected.

The above disclosure is only a preferred embodiment of the present utility model, and it is needless to say that the scope of the utility model is not limited thereto, and therefore, the equivalent changes according to the claims of the present utility model still fall within the scope of the present utility model.

Claims (10)

1. The utility model provides an elevator door touch switch which characterized in that, including casing (1), movable contact piece (3), static contact piece (4) and wear to establish rotating turret (2) on casing (1) upper portion, rotating turret (2) with casing (1) rotate and are connected, the upper end of rotating turret (2) is equipped with first gyro wheel (5) and second gyro wheel (6) rather than roll connection respectively, and the lower extreme cover is equipped with spring (7), the interior bottom surface of casing (1) is equipped with spring column (8), the lower extreme of spring (7) is installed on spring column (8), one end of movable contact piece (3) is installed through fastening assembly in one side in casing (1), and the other end is passed behind rotating turret (2) and is stretched out, the extension end of movable contact piece (3) is equipped with a plurality of contact (31), static contact piece (4) are installed through installation component in the opposite side in casing (1);

the elevator beating plate (100) of the elevator door pushes the second roller (6) to press or loosen so as to drive the contact (31) to contact with or separate from the static contact piece (4).

2. The touch switch of an elevator door according to claim 1, wherein the lower part of the rotating frame (2) is triangular and is connected with the inner wall of the shell (1) through a rotating shaft (9), a plurality of limit ribs (10) are arranged on the outer wall of the rotating frame (2), and the limit ribs (10) are attached to the inner wall of the shell (1).

3. The touch switch of an elevator door according to claim 2, wherein a first limiting seat (11), a second limiting seat (12) and a third limiting seat (13) are sequentially arranged in the shell (1) from left to right, the first limiting seat (11) and the second limiting seat (12) are respectively positioned at two sides of the lower part of the rotating frame (2), the first limiting seat and the second limiting seat are used for limiting the rotating angle of the rotating frame (2), the third limiting seat (13) is arranged below the static contact piece (4), and a baffle plate (14) is arranged between the third limiting seat (13) and the spring (7).

4. An elevator door touch switch according to claim 3, wherein the top surface of the first limiting seat (11) is provided with a cambered surface matched with the rotating frame (2), the upper end of the second limiting seat (12) is a cylinder, the lower end of the second limiting seat is an L-shaped support plate, and the third limiting seat (13) is L-shaped.

5. The elevator door touch switch according to claim 4, wherein the fastening assembly comprises a first cage-type triangular reed (15) and a gasket (16), a first placement cavity (17) for installing the first cage-type triangular reed (15) is arranged in the shell (1), a first supporting block (18) is arranged in the first placement cavity (17), the first cage-type triangular reed (15) is sleeved on the outer side of the first supporting block (18) and the inner top surface of the first cage-type triangular reed is attached to the first supporting block (18), the gasket (16) is arranged above the movable contact piece (3) and located between the second limiting seat (12) and the movable contact piece (3), a first limiting groove (19) is arranged in the shell (1), one ends of the movable contact piece (3) and the gasket (16) penetrate through a first socket (151) of the first cage-type triangular reed (15) to be embedded in the first limiting groove (19), a threading hole (20) is formed in the side wall of the shell (1), and the threading hole (20) is located on one side of the socket (151).

6. The elevator door touch switch according to claim 5, wherein the installation assembly comprises a second cage-type triangular reed (21) and a supporting frame (22), a second installation cavity (23) for installing the second cage-type triangular reed (21) is arranged in the shell (1), a second supporting block (24) is arranged in the second installation cavity (23), the second cage-type triangular reed (21) is sleeved on the outer side of the second supporting block (24) and the inner top surface of the second cage-type triangular reed is attached to the second supporting block (24), the supporting frame (22) comprises an upper section (221) and a lower section (222) from top to bottom, the upper section (221) is L-shaped, the upper end is located between the static contact piece (4) and the third limiting seat (13), the lower end is located between the third limiting seat (13) and the baffle (14), a second limiting groove (25) is formed in the shell (1), the lower section (222) penetrates through the second cage-type triangular reed (21) and is embedded in the second supporting block (211) and is provided with a second threading hole (26) in the second shell (26).

7. The elevator door touch switch according to claim 6, wherein two symmetrically arranged mounting grooves (27) are formed in the lower portion of the housing (1), the two mounting grooves (27) are respectively communicated with the first placement cavity (17) and the second placement cavity (23), handles (28) are respectively arranged in the two mounting grooves (27), each handle (28) is connected with the housing (1) through a connecting shaft (29), when a wire is inserted, the two handles (28) rotate, and the top ends of the handles respectively extend into the first placement cavity (17) and the second placement cavity (23) to jack up the lower portions of the first cage type triangular reed (15) and the second cage type triangular reed (21).

8. The lift door touch switch according to claim 1, characterized in that an anti-seizing post (30) is embedded in the lower part of the rotating frame (2), and the anti-seizing post (30) is abutted with the movable contact piece (3).

9. A door touch switch according to claim 3, wherein a limit post (32) is arranged in the housing (1), the limit post (32) is located at one side of the second limit seat (12), and the movable contact piece (3) is in contact with the limit post (32).

10. An elevator door touch switch according to claim 1, characterized in that the upper side wall of the housing (1) is provided with mounting holes (33).