CN216213027U

CN216213027U - Main and auxiliary contact integrated elevator landing door switch

Info

Publication number: CN216213027U
Application number: CN202122601922.6U
Authority: CN
Inventors: 苏元春; 周俊良; 万可豪; 胡鹏飞; 王利
Original assignee: Hangzhou Xo Lift Co Ltd
Current assignee: Hangzhou Xo Lift Co Ltd
Priority date: 2021-10-27
Filing date: 2021-10-27
Publication date: 2022-04-05
Anticipated expiration: 2031-10-27

Abstract

The utility model provides a major-minor contact integrated form elevator layer door switch, including major-minor contact internal connection board, straight shell fragment and the shell fragment of bending, major-minor contact internal connection board is installed on the switch base, straight shell fragment includes the straight shell fragment of first shell fragment and the straight shell fragment of second, the shell fragment of bending includes the shell fragment of first bending and the shell fragment of second bending, first shell fragment of bending and first shell fragment of bending pass through the electricity and connect, first shell fragment of bending and first shell fragment of bending are connected with external circuit always, first shell fragment of bending and first shell fragment of bending fixed connection all the time are on the switch base, the straight shell fragment of second and the shell fragment of second bending pass through major-minor contact internal connection board and connect. Through straight shell fragment, the internal connection of bent shell fragment one end, external circuit is connected to the other end, and the break-make circuit is realized to the contact, realizes that X, Y two-way verification layer door closes the door and targets in place, and insulating housing and base realize that whole device forms the closed cavity, and two installation hole sites are only reserved to the outside. When the landing door switch is miniaturized, the difficulty of actual installation is guaranteed, and the safety and reliability are improved.

Description

Main and auxiliary contact integrated elevator landing door switch

Technical Field

The utility model relates to the technical field of elevators, in particular to a main contact and auxiliary contact integrated elevator landing door switch.

Background

As an indispensable vertical carrier in the current building system, the elevator is mainly used for bearing a certain load and vertically runs in a building well, and as a vertical manned vehicle, in order to prevent the floor door from being accidentally opened in the running process of the elevator and prevent the risk of falling into the well of personnel, a safety protection device is needed, and when the floor door is not closed, the elevator stops running.

In the elevator industry, a safety protection device commonly adopted in the prior art, namely a landing door switch, is generally divided into 5 parts: a main contact divided into a right side; the middle spring plate and the wire part; left side auxiliary contact and contact plug. The existing switch main and auxiliary contact double devices respectively confirm the door closing in-place signals of the elevator landing door and are widely used in the elevator industry. Because layer door switch comprises 5 parts, original safety protection standard requires lowly, itself has following problem:

1. the assembly process is complicated, the workshop production and installation time is long, and the adjustment difficulty of the elevator installation site is high;

2. the size is large, and the optimization of the elevator landing door structure is influenced;

3. the protection is poor, dust is easy to accumulate, and the maintenance workload of a construction site is large; the main and auxiliary contacts are exposed, so that safety accidents caused by electric shock are easy to happen;

the problems become the bottleneck of automatic production, and become the difficulty of maintenance, and are particularly the fuse of safety accidents. Therefore, an integrated switch is required.

The utility model discloses an elevator landing door lock device and an elevator landing door device, which are disclosed in Chinese patent literature, wherein the publication number is CN107792761B, and the publication date is 2019-10-18. the utility model discloses the elevator landing door lock device, which comprises a contact switch, a communicator, a rotating hook and a fixed lock hook, wherein the contact switch and the fixed lock hook are fixed on an upper sill frame body through a mounting plate; the communicating device is fixed on the rotating hook; the contact switch comprises an insulating shell, at least two through grooves are formed in the insulating shell, an elastic element is arranged in each through groove, and a contact is arranged at the movable end of each elastic element; the connector comprises an insulating block, and a conductive block is fixedly arranged at the bottom of one end of the insulating block; when the communicator rotates in place along with the rotating hook, one end of the conductive block of the communicator can enter the through groove of the insulating shell, and the conductive block presses the contact of the contact switch to enable the contact to be connected. The utility model can ensure that the electrical safety device of the layer door lock of the asynchronous door knife layer door device meets the protection grade IP 2X. The utility model also discloses an elevator landing door device. But the trigger switch of the utility model is only depressed in one direction.

Disclosure of Invention

The utility model solves the problems of complicated assembling procedures, large volume, easy dust accumulation due to poor protection and easy electric shock due to exposed main and auxiliary contacts of the conventional landing door switch, and provides a main and auxiliary contact integrated elevator landing door switch, wherein one end of a straight elastic sheet and one end of a bent elastic sheet are internally connected, the other end of the straight elastic sheet and the other end of the bent elastic sheet are connected with an external circuit, a contact realizes an on-off circuit, the X, Y shaft bidirectional verification that a landing door is closed in place is realized, an insulating shell and a base realize that the whole device forms a closed cavity, and only two mounting hole sites are reserved outside the device. Therefore, the floor door switch is miniaturized, the difficulty of actual installation is guaranteed, and the safety and reliability of the floor door switch are improved.

In order to achieve the purpose, the utility model adopts the following technical scheme: the utility model provides a major-minor contact integrated form elevator layer door switch, includes major-minor contact internal connection board, straight shell fragment and the shell fragment of bending, major-minor contact internal connection board is installed on the switch base, straight shell fragment includes the straight shell fragment of first shell fragment and second, the shell fragment of bending includes the shell fragment of first bending and the shell fragment of second bending, first shell fragment and the first shell fragment of bending pass through the electricity and are connected, first shell fragment and the first shell fragment of bending and external circuit connection always, first shell fragment and the first shell fragment of bending fixed connection that bends always are on the switch base, the straight shell fragment of second and the shell fragment of bending of second are connected through major-minor contact internal connection board.

The main contact and auxiliary contact integrated elevator landing door switch comprises two groups of straight spring pieces and bent spring pieces which are respectively connected in a matching manner, wherein one group of straight spring pieces and bent spring pieces are connected in a matching manner through a main contact and auxiliary contact internal connecting plate and are fixed on a switch base, the other group of straight spring pieces and bent spring pieces are electrically connected with an external circuit, the on-off of the whole component circuit is controlled by the contact of a silver contact and a silver touch plate, and when a main button and an auxiliary button are respectively triggered by pressing on an X, Y shaft, the circuit is communicated after pressing, so that a bidirectional door closing confirming signal is obtained, and the elevator can safely operate. All elements are integrated inside, only two fixing screws are needed for external installation, and the installation is convenient; all electrical elements are arranged in the insulating cavity, IP2X is fundamentally met, devices are completely sealed, the failure rate is reduced, and the device is safer and more reliable.

As preferred, switch base inside is equipped with two straight flutes, the one end of straight flute is equipped with lacks the position, the height that highly is less than switch base of lacking the position, main and auxiliary contact internal connection board embedding is connected in lacking the position, be equipped with two hole sites on the main and auxiliary contact internal connection board, the one end that straight shell fragment is close to lacking the position is equipped with the through-hole, the shell fragment of bending includes long side and short side, be equipped with the through-hole on the short side, the straight shell fragment of second and the shell fragment of bending pass through-hole and main and auxiliary contact internal connection board fixed connection.

According to the utility model, the two straight grooves are parallel, one end of each straight groove is communicated with the outside, the height of the missing position at the end, far away from the outside, of the switch base is different from the height of the switch base by the thickness of the main and auxiliary contact internal connecting plates, the main and auxiliary contact internal connecting plates are made of metal plates, the specific thickness can be changed according to actual requirements, the two hole sites on the main and auxiliary contact internal connecting plates are respectively connected with the second straight elastic sheet and the second bent elastic sheet, the effect of fixedly connecting the second straight elastic sheet and the second bent elastic sheet is achieved, the electric connection between the second straight elastic sheet and the second bent elastic sheet is also kept, and the installation is simpler and more convenient.

Preferably, two riveting holes are formed in one end, away from the through hole, of the straight elastic piece, a long hole is formed in the middle position, close to the riveting holes, of the straight elastic piece, the riveting holes in the straight elastic piece are fixedly connected to the first silver contact, two riveting holes are formed in the long side of the bent elastic piece, a long hole is formed in the middle position, close to the riveting holes, of the bent elastic piece, and the riveting holes in the bent elastic piece are fixedly connected to the second silver contact.

According to the utility model, the silver contacts are connected to the straight elastic sheet and the bent elastic sheet through rivet connection at the other sides of the straight elastic sheet and the bent elastic sheet, namely, the silver contacts are connected through rivet connection ports, and two rivet connection ports are arranged at one side of the straight elastic sheet or the bent elastic sheet to connect the two silver contacts, so that the silver contacts are ensured to be more completely contacted with the silver touch plate, and the situation that one silver contact is in poor contact is prevented.

Preferably, the straight elastic piece is fixedly connected to the straight compression spring, and the bent elastic piece is fixedly connected to the bent compression spring.

According to the utility model, the straight elastic piece and the bent elastic piece are respectively fixed by the straight pressure spring and the bent pressure spring, so that the straight elastic piece and the bent elastic piece are prevented from deforming.

Preferably, the switch base is connected to the insulating casing through a buckle, a plurality of compression springs are further arranged on the insulating casing close to the switch base, one ends of the compression springs abut against the main button or the auxiliary button, and the other ends of the compression springs abut against the switch base.

In the utility model, the switch base is connected through the buckle, so that the switch base is more convenient to mount and dismount; the compression spring can reset the main button or the auxiliary button.

Preferably, the main button or the auxiliary button is of a T-shaped structure, and a clamping groove is formed in the main button or the auxiliary button and fixedly connected to the silver touch panel.

In the utility model, the silver touch plate is fixed by using the clamping groove structure, so that the silver touch plate is convenient to mount and dismount.

Preferably, the silver contact plate is in contact connection with the first silver contact and the second silver contact respectively during operation.

According to the utility model, when the silver touch panel is pressed and stressed, the silver touch panel is contacted with the silver contact and then conducts electricity, and when the pressing stress is cancelled, the silver touch panel is reset by using the compression spring.

The utility model has the beneficial effects that: according to the main and auxiliary contact integrated elevator landing door switch, one end of the straight elastic sheet and one end of the bent elastic sheet are connected with the inside, the other end of the bent elastic sheet is connected with an external circuit, the contact realizes on-off circuit, X, Y-axis bidirectional verification that a landing door is closed in place is realized, the insulating shell and the base realize that the whole device forms a closed cavity, and only two mounting hole sites are reserved on the outside, so that the landing door switch is miniaturized, the difficulty of actual mounting is guaranteed, and the safety and reliability of the landing door switch are improved.

Drawings

Fig. 1 is an internal structure view of a switch base of a main and sub contact integrated elevator landing door switch according to the present invention;

fig. 2 is an overall structural view of a main and sub contact integrated elevator landing door switch of the present invention;

fig. 3 is a schematic diagram illustrating the operation of the elevator landing door switch in which the main and auxiliary contacts are integrated according to the present invention;

in the figure, the contact device comprises a main contact internal connecting plate 1, a main contact internal connecting plate 2, a main contact internal connecting plate 2, a straight elastic sheet 2-1, a first straight elastic sheet 2-2, a second straight elastic sheet 3, a bent elastic sheet 3-1, a first bent elastic sheet 3-2, a second bent elastic sheet 4, a straight pressure spring 5, a bent pressure spring 6, a first silver contact 6-1, a second silver contact 7, a main button 8, an auxiliary button 9, a silver contact plate 10, a compression spring 11, a switch base 12, an insulating shell 13 and a vacancy.

Detailed Description

Example (b):

the present embodiment proposes a main and sub contact integrated elevator landing door switch, referring to fig. 1, comprising a main and sub contact internal connection plate 1, the switch comprises a straight elastic sheet 2 and a bent elastic sheet 3, a main contact internal connecting plate and an auxiliary contact internal connecting plate 1 are arranged on a switch base 11, the straight elastic sheet 2 comprises a first straight elastic sheet 2-1 and a second straight elastic sheet 2-2, the bent elastic sheet 3 comprises a first bent elastic sheet 3-1 and a second bent elastic sheet 3-2, the first straight elastic sheet 2-1 is electrically connected with the first bent elastic sheet 3-1, the first straight elastic sheet 2-1 and the first bent elastic sheet 3-1 are connected with an external circuit, the first straight elastic sheet 2-1 and the first bent elastic sheet 3-1 are fixedly connected with the switch base 11, and the second straight elastic sheet 2-2 is connected with the second bent elastic sheet 3-2 through the main contact internal connecting plate 1 and the auxiliary contact internal connecting plate.

Two straight grooves are formed in the switch base 11, a position 13 is arranged on one side of each straight groove, the height of the position is slightly lower than that of the switch base 11, the main contact internal connecting plate and the auxiliary contact internal connecting plate are connected to the position 13 in an embedded mode, two hole sites are arranged on the main contact internal connecting plate and the auxiliary contact internal connecting plate 1, a through hole is formed in one end, close to the main contact internal connecting plate and the auxiliary contact internal connecting plate, of each straight elastic piece 2, each bent elastic piece 3 comprises a long side and a short side, through holes are formed in the short sides, and the second straight elastic pieces 2-2 and the second bent elastic pieces 3-2 are fixedly connected to the main contact internal connecting plate and the auxiliary contact internal connecting plates 1 through the through holes. One end, far away from the through hole, of the straight elastic piece 2 is provided with two rivet holes, a long hole is formed in the middle position, close to the rivet holes, of the straight elastic piece 2, the rivet holes in the straight elastic piece 2 are fixedly connected with the first silver contact 6, two rivet holes are formed in the long side of the bent elastic piece 3, a long hole is formed in the middle position, close to the rivet holes, of the bent elastic piece 3, and the rivet holes in the bent elastic piece 3 are fixedly connected with the second silver contact 6-1. The straight elastic piece 2 is fixedly connected with the straight compression spring 4, and the bent elastic piece 3 is fixedly connected with the bent compression spring 5.

Referring to fig. 2, the switch base 11 is fixedly connected to the insulating housing 12, the connection mode is through a snap connection, the insulating housing 12 is further provided with a plurality of compression springs 10 near the switch base 11, one end of each compression spring 10 abuts against the main button 7 or the auxiliary button 8, and the other end of each compression spring 10 abuts against the switch base 11. In the present embodiment, the number of the compression springs is 2. The main button 7 and the auxiliary button 8 are both of T-shaped structures, corresponding clamping grooves are formed in the main button 7 and the auxiliary button 8, and the clamping grooves are fixedly connected with the silver touch panel 9. When the silver contact plate 9 is pressed, the silver contact plate contacts with the first silver contact 6 and the second silver contact 6-1 and conducts electricity.

Referring to fig. 3, the specific working process of the main and auxiliary contact integrated elevator landing door switch of the present invention is as follows: x, Y shaft is pressed in two directions, the pressing direction refers to the arrow in the figure, the auxiliary button 8 and the main button 7 are respectively displaced in the horizontal or vertical direction by pressing, and the silver touch plate 9 is fixedly connected to the main button 7 or the auxiliary button 8 through the clamping groove, so that the silver touch plate 9 slides downwards to drive the silver touch plate 9 to contact the silver contacts on the straight elastic sheet 2 and the bent elastic sheet 3, an external circuit enters from the straight elastic sheet 2-1 and the bent elastic sheet 3-1 to pass through the first silver contact 6 and the silver touch plate 9 to reach the straight elastic sheet 2-2 and the bent elastic sheet 3-2, the straight elastic sheet 2-2 and the bent elastic sheet 3-2 are connected through the main contact and auxiliary contact internal connection board 1, the whole circuit is communicated, a two-way door closing in-place confirming signal is obtained, and the elevator is safely operated. When the hall door is opened, the X, Y shaft pressing force is cancelled, the compression springs 10 on the main button 7 and the auxiliary button 8 enable the main button 7 and the auxiliary button 8 to automatically reset, the silver contact plate 9 is also disconnected with the silver contact, and the door lock loop is disconnected. The length and the bending angle of the patent spring can be changed according to the actual application condition, so that the multi-field application is realized, and the displacement signal can be verified in multiple directions.

The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the corresponding technical solutions.

Claims

1. A main contact and auxiliary contact integrated elevator landing door switch is characterized by comprising a main contact and auxiliary contact internal connecting plate (1), a straight elastic sheet (2) and a bent elastic sheet (3), wherein the main contact and auxiliary contact internal connecting plate (1) is installed on a switch base (11), the straight elastic sheet (2) comprises a first straight elastic sheet (2-1) and a second straight elastic sheet (2-2), the bent elastic sheet (3) comprises a first bent elastic sheet (3-1) and a second bent elastic sheet (3-2), the first straight elastic sheet (2-1) and the first bent elastic sheet (3-1) are electrically connected, the first straight elastic sheet (2-1) and the first bent elastic sheet (3-1) are connected with an external circuit, the first straight elastic sheet (2-1) and the first bent elastic sheet (3-1) are fixedly connected on the switch base (11), the second straight elastic sheet (2-2) is connected with the second bent elastic sheet (3-2) through the main contact internal connecting plate and the auxiliary contact internal connecting plate (1).

2. The main and auxiliary contact integrated elevator landing door switch according to claim 1, wherein two straight grooves are formed in the switch base (11), a gap (13) is formed in one end of each straight groove, the height of the gap is lower than that of the switch base (11), the main and auxiliary contact internal connecting plates (1) are connected to the gap (13) in an embedded mode, two hole sites are formed in the main and auxiliary contact internal connecting plates (1), a through hole is formed in one end, close to the gap (13), of each straight elastic plate (2), each bent elastic plate (3) comprises a long side and a short side, a through hole is formed in each short side, and each second straight elastic plate (2-2) and each second bent elastic plate (3-2) are fixedly connected with the main and auxiliary contact internal connecting plates (1) through the through holes.

3. The main and auxiliary contact integrated elevator landing door switch according to claim 1 or 2, wherein one end of the straight spring plate (2) far away from the through hole is provided with two rivet holes, a long hole is formed at the middle position of the straight spring plate (2) close to the rivet holes, the rivet holes in the straight spring plate (2) are fixedly connected to the first silver contact (6), two rivet holes are formed at the long side of the bent spring plate (3), a long hole is formed at the middle position of the bent spring plate (3) close to the rivet holes, and the rivet holes in the bent spring plate (3) are fixedly connected to the second silver contact (6-1).

4. The main and auxiliary contact integrated elevator landing door switch according to claim 1, wherein the straight spring plate (2) is fixedly connected to the straight compression spring (4), and the bent spring plate (3) is fixedly connected to the bent compression spring (5).

5. The main and auxiliary contact integrated elevator landing door switch according to claim 1, wherein the switch base (11) is connected to the insulating housing (12) by a snap-fit, a plurality of compression springs (10) are further disposed on the insulating housing (12) near the switch base (11), one end of each compression spring (10) abuts against the main button (7) or the auxiliary button (8), and the other end of each compression spring (10) abuts against the switch base (11).

6. A main and auxiliary contact integrated elevator landing door switch according to claim 5, characterized in that the main button (7) or the auxiliary button (8) is of a T-shaped structure, and a clamping groove is arranged on the main button (7) or the auxiliary button (8) and is fixedly connected with the silver contact plate (9).

7. A main and auxiliary contact integrated elevator landing door switch according to claim 6, characterized in that the silver contact plate (9) is in contact connection with the first silver contact (6) and the second silver contact (6-1) respectively during operation.