CN211529812U

CN211529812U - Elevator contact switch assembly

Info

Publication number: CN211529812U
Application number: CN202020549849.5U
Authority: CN
Inventors: 郑伟增; 石浩; 励海云; 江举茂
Original assignee: Shanghai Jiangling Electromechanical Co ltd
Current assignee: Shanghai Jiangling Electromechanical Co ltd
Priority date: 2020-04-14
Filing date: 2020-04-14
Publication date: 2020-09-18
Anticipated expiration: 2030-04-14

Abstract

The utility model relates to an elevator contact switch component, which comprises a switch body, a contact device and a trigger device, wherein the trigger device is positioned outside the switch body, the trigger device is contacted with the contact device from the opening of the switch body, the trigger device has the elasticity of returning to the initial position, the contact device comprises a fixed contact component and a movable contact component, the fixed contact component is fixed in the switch body, the movable contact component is arranged in the switch body in a sliding way, the movable contact assembly has elastic force for resetting to the fixed contact assembly and separating the movable contact assembly from the fixed contact assembly, the linkage rod is arranged in the switch body in a rotating mode, a linkage groove is formed in one end of the linkage rod, the movable contact assembly is provided with a connecting rod which is inserted into the linkage groove in a penetrating mode, the trigger device is pressed, the trigger device drives the movable contact assembly to move towards the direction of the fixed contact assembly until the movable contact assembly is abutted against the fixed contact assembly, and the other end of the linkage rod is inserted into the trigger device and abutted against the trigger device. The utility model discloses the effect of the contact device phase separation of adhesion under the circular telegram condition has.

Description

Elevator contact switch assembly

Technical Field

The utility model belongs to the technical field of the technique of elevator and specifically relates to an elevator contact switch subassembly is related to.

Background

In the newly issued elevator type test rules (TSG T7007-2016), the first of the H6.1.11 electrical protection regulations states that electrical equipment must employ a protective enclosure to prevent direct contact with electricity, with an enclosure protection rating of no less than IP 2X. In the process of improving the design of the switch, the consistency of installation and linkage interfaces is very important in the process of improving new product suitability or old elevator transformation while meeting related requirements.

In the prior art, application publication No. CN110571071A discloses a plug-in contact switch, which includes a plug assembly and a socket assembly; the plug assembly comprises a base, an electric plug and a waterproof seat; the electrical plug root is secured to the base; the root of the electric plug is sleeved with a waterproof seat; the waterproof seat is made of elastic materials; the socket component comprises a shell, a metal elastic sheet and a waterproof insertion sheet; the upper wall of the shell is provided with a jack; the metal elastic sheet and the waterproof inserting sheet are arranged inside the shell; one end of the metal elastic sheet is a fixing part fixed on the shell, and the other end of the metal elastic sheet is a working part positioned below the jack; one end of the waterproof inserting sheet is a conductive part which is positioned between the working part of the metal elastic sheet and the jack; the upper surface and the lower surface of the conductive part of the waterproof inserting sheet are provided with conductive contacts; a sealing ring is sleeved on the periphery of the conductive contact at the side of the jack; when the jack is inserted with a plug without electricity, the conductive part of the waterproof inserting sheet is under the action of elasticity, so that the sealing ring is attached to the jack; when an electric plug is inserted into the jack and presses the conductive part downwards, the conductive part overcomes the action of elasticity and moves downwards to be attached to the working part of the metal elastic sheet.

In the use process, the metal elastic sheet is in contact with the conductive part to connect the circuit, and after the external force is removed, the metal elastic sheet is adhered to the conductive part due to the fact that the metal elastic sheet is electrified, so that the metal elastic sheet is not enough to be separated from the conductive part.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims at providing an elevator contact switch subassembly, its effect that has the contact device phase separation of adhesion under the circular telegram condition.

The above object of the present invention can be achieved by the following technical solutions:

an elevator contact switch assembly comprises a switch body, a contact device and a trigger device, wherein the contact device is positioned in the switch body, the trigger device is positioned outside the switch body, the trigger device is contacted with the contact device from an opening of the switch body, the trigger device has elastic force for returning to an initial position, the contact device comprises a fixed contact assembly and a movable contact assembly, the fixed contact assembly is fixed in the switch body, the movable contact assembly is arranged in the switch body in a sliding manner, the movable contact assembly has elastic force for resetting to the fixed contact assembly and the movable contact assembly to be separated from each other, a linkage rod is rotationally arranged in the switch body, one end of the linkage rod is provided with a linkage groove, a connecting rod inserted in the linkage groove is arranged on the movable contact assembly, the trigger device is pressed, and the trigger device drives the movable contact assembly to move towards the direction of the fixed contact assembly until the movable contact assembly is collided, the other end of the linkage rod is inserted into the trigger device and is abutted against the trigger device.

Through adopting above-mentioned technical scheme, exert external force to trigger device, the movable contact subassembly is inconsistent with the contact subassembly of deciding after the switch-on circuit, removes external force, and the movable contact subassembly is because the adhesion takes place for the circular telegram with the contact subassembly of deciding, and the elasticity that movable contact subassembly itself has is not enough to make movable contact subassembly and decide the contact subassembly separation. Because the external force is removed, the trigger device returns to the initial state under the action of the elastic force, and then the linkage rod is driven to move to lift the movable contact assembly, so that the movable contact assembly is separated from the fixed contact assembly, and the normal use of the contact switch is ensured.

The present invention may be further configured in a preferred embodiment as: the movable contact assembly comprises a pressing plate, a pressure spring and a contact plate, the pressing plate is used for being abutted against the trigger device, the contact plate is arranged on one side, close to the fixed contact assembly, of the pressing plate and is used for being abutted against the fixed contact assembly, the pressure spring is located at two ends of the pressing plate, two ends of the pressure spring are respectively abutted against the pressing plate and the switch body, a linkage block with an opening in one side is fixed between the pressing plate and the contact plate, the connecting rod is located in the linkage block, and a rotating shaft matched with the linkage rod in a rotating mode is arranged in the switch body.

Through adopting above-mentioned technical scheme, the structure of two pressure springs realizes the steady reciprocating motion action of clamp plate for provide the contact board and decide the contact subassembly alternate segregation, the setting of pivot, connecting rod, the linkage effect of the gangbar of being convenient for, movable contact subassembly, trigger device, so that movable contact subassembly and decide the contact subassembly alternate segregation.

The present invention may be further configured in a preferred embodiment as: the linkage rod is of a rod body structure made of plastic materials, the linkage rod is arranged in an acute-angle columnar mode, a turning position of the linkage rod is provided with a rotating groove in rotating fit with the rotating shaft, the rotating groove is communicated with a turning end of the linkage rod, and the linkage groove is communicated with the end of the linkage rod.

Through adopting above-mentioned technical scheme, the link bar that the plastics material was made has elasticity, and the rotation groove, the link groove that the opening set up are convenient for the link bar joint to pivot, connecting rod on to the quick dismantlement and the installation of link bar.

The present invention may be further configured in a preferred embodiment as: trigger device includes support, briquetting and dead lever, the support is the Z type column, the dead lever is the setting of T type, the both ends of dead lever are fixed in one side of briquetting, the briquetting can be dismantled and fix the one end at the support, the dead lever is towards the other end of support.

Through adopting above-mentioned technical scheme, briquetting and the setting dismantled of support are convenient for fix briquetting, dead lever on the support of difference, realize the high suitability of briquetting, dead lever. Meanwhile, the damaged accessories are convenient to replace.

The present invention may be further configured in a preferred embodiment as: the switch body includes mount pad, protection casing and side cap, the mount pad cooperates with protection casing, side cap joint, offer the groove of dodging the support on the side cap.

Through adopting above-mentioned technical scheme, dodge the setting of groove for avoid trigger device to produce with the side cap at the in-process of motion and interfere, under the condition that reduces the shared space of switch, guarantee overall structure's rationality.

The present invention may be further configured in a preferred embodiment as: one side that the clamp plate is close to and dodges the groove is provided with the baffle that is used for sheltering from and dodges the groove, be provided with the guide block of contradicting with the baffle to one side of baffle above the side cap.

Through adopting above-mentioned technical scheme, the baffle is used for dodging the groove to the side cap and shelters from, avoids this internal article of switch to leak out by force, prevents simultaneously that the dabble touches on the contact device. The guide block is abutted against the stop block and used for reducing the friction force between the stop block and the side cover.

The present invention may be further configured in a preferred embodiment as: one side of the pressing plate, which deviates from the mounting seat, is provided with an inclined surface, water splashed onto the pressing plate slides down from one side of the side cover, the mounting seat is positioned below the movable contact assembly and is provided with a flow guide inclined surface, and the water in the switch body slides down along the flow guide inclined surface and flows out from the side cover.

Through adopting above-mentioned technical scheme, the water that falls onto the switch body passes through the outside of inclined plane water conservancy diversion to the switch body, and the ann falls into this internal water of switch and flows out between side cap and the mount pad through the water conservancy diversion effect on water conservancy diversion inclined plane for the switch has certain waterproof function and waterproof grade reaches IP 20's protection grade.

The present invention may be further configured in a preferred embodiment as: the fixed contact assembly comprises two groups of spring pieces, and the two groups of spring pieces are respectively used for abutting against the contact plate.

Through adopting above-mentioned technical scheme, the quantity of spring leaf is two sets of, ensures the stability of spring leaf and contact plate contact for the switch steady operation.

To sum up, the utility model discloses a following at least one useful technological effect:

1. the external force is applied to the trigger device, after the movable contact assembly and the fixed contact assembly are abutted to connect a circuit, the external force is removed, the movable contact assembly and the fixed contact assembly are adhered due to electrification, and the elastic force of the movable contact assembly is insufficient to separate the movable contact assembly from the fixed contact assembly. The external force is removed, and the trigger device returns to the initial state under the action of the elastic force, so that the linkage rod is driven to move, the movable contact assembly is lifted, the movable contact assembly is separated from the fixed contact assembly, and the normal use of the contact switch is ensured;

2. the linkage rod made of plastic materials has elasticity, and the opening of the linkage rod is provided with the rotating groove and the linkage groove, so that the linkage rod is conveniently clamped on the rotating shaft and the connecting rod, and the linkage rod is conveniently and quickly disassembled and assembled;

3. the spring leaf quantity is two sets of, ensures the stability of spring leaf and contact plate contact for the switch steady operation.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is an exploded schematic view of the present invention;

fig. 3 is a schematic cross-sectional view of the present invention;

FIG. 4 is an enlarged view of portion A of FIG. 3;

fig. 5 is a schematic structural view of the middle linkage rod of the present invention.

Reference numerals: 1. a switch body; 11. a mounting seat; 111. a card slot; 112. a diversion bevel; 113. positioning holes; 12. a protective cover; 121. a guide groove; 122. a stopper; 13. a side cover; 131. a slider; 132. a guide block; 133. an avoidance groove; 2. a trigger device; 21. a support; 211. a guide hole; 22. briquetting; 23. pulling a rod; 3. a contact arrangement; 31. a movable contact assembly; 311. pressing a plate; 3111. an inclined surface; 312. a contact plate; 313. a pressure spring; 32. a fixed contact assembly; 321. a spring plate; 4. a linkage rod; 41. a linkage groove; 42. a rotating groove; 5. a rubber plug; 6. a clamping block; 7. a baffle plate; 8. a linkage block; 81. a connecting rod; 10. a rotating shaft; 20. a wire hole.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1, for the utility model discloses an elevator contact switch subassembly, including switch body 1, be equipped with contact device 3 in the switch body 1, be equipped with trigger device 2 on the contact device 3, press trigger device 2 through the application of force for contact device 3 in the switch body 1 switches on, and then controls corresponding function in the elevator system.

Referring to fig. 1 and 2, the switch body 1 includes a mounting seat 11, a protective cover 12 and a side cover 13, the three are enclosed to form a cavity, the contact device 3 is disposed in the cavity, a clamping groove 111 is disposed on one side of the mounting seat 11 facing the contact device 3, a clamping block 6 is fixed at the bottom of the protective cover 12 and the side cover 13, and the clamping block 6 is elastically clamped with the clamping groove 111, so that the switch body 1 is conveniently mounted.

With reference to fig. 1 and 2, a cylindrical hole-shaped wire hole 20 for clamping a wire is formed in one side of the protective cover 12 and the side of the mounting seat 11 away from the side cover 13, and the wire hole 20 is respectively half on the protective cover 12 and the mounting seat 11, so that the wire can be conveniently clamped when the protective cover 12 and the mounting seat 11 are fixed. The side wall of the mounting seat 11 is provided with a positioning hole 113, and the positioning hole 113 is convenient for fixing the switch body 1.

Referring to fig. 2, an avoiding groove 133 is formed on one side of the side cover 13 close to the triggering device 2, and the avoiding groove 133 is arranged to avoid interference between the triggering device 2 and the side cover 13 in the moving process, so that the reasonability of the whole structure is ensured under the condition of reducing the occupied space of the switch.

With continued reference to fig. 2, the contact device 3 includes a fixed contact assembly 32 and a movable contact assembly 31, the fixed contact assembly 32 is fixedly mounted on the mounting base 11 and completely covered by the protective cover 12, the movable contact assembly 31 is disposed away from the mounting base 11, the movable contact assembly 31 has elasticity and is in contact with the fixed contact assembly 32 under pressure, and after the pressure is removed, the movable contact assembly 31 is separated from the fixed contact assembly 32 under the elastic force of the movable contact assembly 31.

With continued reference to fig. 2, the fixed contact assembly 32 includes a plurality of spring plates 321, and in the present embodiment, the number of the spring plates 321 is selected to be two, so as to ensure the stability of the contact. Spring leaf 321 passes through the bolt fastening on mount pad 11, and the observation hole of being convenient for install spring leaf 321 bolt is seted up to the one end that protection casing 12 kept away from side cap 13, and the observation hole is corresponding with the bolt, installs the rubber buffer 5 that is supported by the rubber material on the observation hole, and rubber buffer 5 and observation hole interference fit have certain waterproof function when the anticreep.

With continued reference to fig. 2, the movable contact assembly 31 includes a pressing plate 311, a contact plate 312 and a pressure spring 313, the pressing plate 311 is fixedly connected to the contact plate 312, the pressing plate 311 is configured to contact with the trigger device 2, two ends of the pressure spring 313 respectively abut against one side of the pressing plate 311 close to the mounting seat 11 and the protective cover 12, the contact plate 312 is configured to contact with the spring piece 321, the trigger device 2 is pressed, the trigger device 2 drives the pressing plate 311 to move towards the mounting seat 11, and then the pressure spring 313 is compressed to store elastic force, and the pressing plate 311 drives the contact plate 312 to contact with the spring piece 321. After the pressure of the trigger device 2 is removed, the pressure spring 313 provides elastic force, so that the pressure plate 311 moves away from the direction of the mounting seat 11, and the contact plate 312 is separated from the spring piece 321.

Referring to fig. 3 and 4, a baffle 7 is fixed to a side of the pressing plate 311 facing the side cover 13, and the baffle 7 is used for shielding the avoiding groove 133 of the side cover 13, so as to prevent the articles in the switch body 1 from leaking out, and prevent the splashed water from touching the contact device 3.

With continued reference to fig. 3 and 4, a guide block 132 is integrally formed on a side of the side cover 13 facing the baffle 7, and the guide block 132 abuts against the stopper 122 for reducing friction between the stopper 122 and the side cover 13. The pressing block 22 is matched with the protective cover 12 in a sliding manner, and the protective cover 12 is provided with a guide groove 121 matched with the pressing block 22 in a sliding manner. Under the matching of the guide groove 121 and the stopper 122, the pressing block 22 can move stably, and the stability of the operation of the movable contact assembly 31 is ensured.

With continued reference to fig. 3 and the drawings, a stopper 122 is integrally formed at the top of the shield 12 and the side cover 13 for limiting the pressure plate 311 while preventing the pressure plate 311 from exerting force on the side cover 13. The side cover 13 is provided with two sliding blocks 131 which are integrally formed at one end close to the mounting seat 11, and the two sliding blocks 131 are provided with sliding grooves which are matched with the baffle 7 in a sliding manner, so that the running stability of the movable contact assembly 31 is further ensured.

Referring to fig. 3, one side of the pressing plate 311 departing from the mounting seat 11 is set to be an inclined surface 3111, one side close to the side cover 13 is a lower end, water falling onto the switch body 1 is guided to the outside of the switch body 1 through the inclined surface 3111, a guide inclined surface 112 is set under the movable contact assembly 31 on the mounting seat 11, a notch is formed in the bottom of the side cover 13, the water falling onto the mounting seat 11 flows out from the notch of the side cover 13 through the guide inclined surface 112, so that the switch has a certain waterproof function and the waterproof grade reaches the protection grade of IP 20.

Referring to fig. 3, trigger device 2 includes support 21, briquetting 22 and dead lever 23, support 21 is Z type column structure, dead lever 23 is the T type, one side at briquetting 22 is fixed at the both ends of dead lever 23, briquetting 22 can be dismantled and fix the one end at support 21, detachable fixed mode, be convenient for install trigger device 2, support 21 keeps away from the one end of briquetting 22 and has seted up two bullports 211, bullport 211 is the shoulder hole setting, the great one end of shoulder hole diameter is close to switch body 1, be convenient for wear to establish and use with bullport 211 matched with guide post, a position for limiting trigger device 2 removes, the shift position of contact board 312 promptly, prevent that contact board 312 and spring leaf 321 from taking place to damage at the in-process of contact, protect contact device 3.

Referring to fig. 4 and 5, a linkage rod 4 connected with the movable contact assembly 31 is arranged in the protective cover 12, the linkage rod 4 is a rod body made of plastics, the whole linkage rod 4 is in an acute angle column structure, a waist-shaped linkage groove 41 is formed in one end of the linkage rod 4, the linkage groove 41 is communicated with the end portion of the linkage rod 4, a linkage block 8 is fixed on one side of the pressing plate 311 facing the mounting seat 11, the linkage block 8 is fixed with the contact plate 312 and the baffle 7, a hole is formed in the linkage block 8, a connecting rod 81 is fixed in the hole, and the linkage groove 41 of the linkage rod 4 is clamped on the connecting rod 81 from the opening. The turning part of the linkage rod 4 is provided with a rotating groove 42, the rotating groove 42 is communicated with the turning end part of the linkage rod 4, and a rotating shaft 10 which is rotationally matched with the rotating groove 42 is fixed in the protective cover 12.

Referring to fig. 3 and 4, in the process of pressing the trigger device 2, when the contact plate 312 contacts the spring piece 321, one end of the linkage rod 4, which is far away from the linkage groove 41 and the rotation groove 42, is inserted into the pulling rod 23 and contacts the pulling rod 23, and after the external force is removed, the trigger device 2 returns to the initial position to drive the linkage rod 4 to move, so that the contact plate 312 is separated from the spring piece 321, and the adhesion between the contact plate 312 and the spring piece 321 can be effectively avoided.

The utility model discloses an implement the principle and do:

the support 21 is pressed to move the support 21 towards the mounting seat 11, the pulling rod 23 fixed on the support 21 applies pressure to the pressing plate 311, the pressing plate 311 drives the contact plate 312 to move towards the mounting seat 11 until the contact plate 312 contacts with the spring piece 321, and the circuit is connected. In the process, the pressure spring 313 below the pressure plate 311 is stressed and compressed, one end of the linkage rod 4 is lapped on the pulling rod 23, and when the external force on the bracket 21 is removed, the elastic force of the spring enables the contact plate 312 to be separated from the spring piece 321.

If the spring piece 321 is adhered to the contact plate 312, after the external force on the bracket 21 is removed, the bracket 21 is reset under the action of the elastic force, the linkage rod 4 is driven to rotate to lift the contact plate 312, so that the contact plate 312 is separated from the spring piece 321, and the pressing plate 311 is abutted to the stopper 122 under the action of the pressure spring 313.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. An elevator contact switch assembly comprising a switch body (1), a contact device (3) and a triggering device (2), the contact device (3) being located inside the switch body (1), the triggering device (2) being located outside the switch body (1), the triggering device (2) being in contact with the contact device (3) from an opening of the switch body (1), the triggering device (2) having an elastic force returning to an initial position, characterized in that: the contact device (3) comprises a fixed contact component (32) and a movable contact component (31), the fixed contact assembly (32) is fixed in the switch body (1), the movable contact assembly (31) is arranged in the switch body (1) in a sliding way, and the movable contact assembly (31) has an elastic force which is reset to the fixed contact assembly (32) and the movable contact assembly (31) to be separated from each other, a linkage rod (4) is rotationally arranged in the switch body (1), one end of the linkage rod (4) is provided with a linkage groove (41), the movable contact component (31) is provided with a connecting rod (81) which is inserted in the linkage groove (41) in a penetrating way and presses the trigger device (2), the trigger device (2) drives the movable contact assembly (31) to move towards the direction of the fixed contact assembly (32) until colliding, the other end of the linkage rod (4) is inserted into the trigger device (2) and is abutted against the trigger device (2).

2. The elevator contact switch assembly of claim 1, wherein: the movable contact assembly (31) comprises a pressing plate (311), a pressure spring (313) and a contact plate (312), the pressing plate (311) is used for being abutted to the trigger device (2), the contact plate (312) is arranged on one side, close to the fixed contact assembly (32), of the pressing plate (311) and is used for being abutted to the fixed contact assembly (32), the pressure spring (313) is located at two ends of the pressing plate (311), two ends of the pressure spring (313) are abutted to the pressing plate (311) and the switch body (1) respectively, a linkage block (8) with one side opened is fixed between the pressing plate (311) and the contact plate (312), the connecting rod (81) is located in the linkage block (8), and a rotating shaft (10) matched with the linkage rod (4) in a rotating mode is arranged in the switch body (1).

3. The elevator contact switch assembly of claim 2, wherein: the linkage rod (4) is of a rod body structure made of plastic materials, the linkage rod (4) is arranged in an acute angle column shape, a turning position of the linkage rod (4) is provided with a turning groove (42) which is matched with the rotating shaft (10) in a rotating mode, the turning groove (42) is communicated with a turning end of the linkage rod (4), and the linkage groove (41) is communicated with the end of the linkage rod (4).

4. The elevator contact switch assembly of claim 3, wherein: trigger device (2) are including support (21), briquetting (22) and dead lever (23), support (21) are Z type column, dead lever (23) are the T type setting, one side at briquetting (22) is fixed at the both ends of dead lever (23), the one end at support (21) can be dismantled in briquetting (22), dead lever (23) are towards the other end of support (21).

5. The elevator contact switch assembly of claim 4, wherein: switch body (1) includes mount pad (11), protection casing (12) and side cap (13), mount pad (11) and protection casing (12), side cap (13) joint cooperation, offer dodging groove (133) of dodging support (21) on side cap (13).

6. The elevator contact switch assembly of claim 5, wherein: one side that clamp plate (311) are close to dodging groove (133) is provided with baffle (7) that are used for sheltering from and dodge groove (133), be provided with guide block (132) of contradicting with baffle (7) to one side of baffle (7) above side cap (13).

7. The elevator contact switch assembly of claim 4, wherein: one side that deviates from mount pad (11) of clamp plate (311) sets up to inclined plane (3111), and the water that splashes down on clamp plate (311) slides from one side of side cap (13), mount pad (11) are located movable contact subassembly (31) below and set up to water conservancy diversion inclined plane (112), and the water in switch body (1) just flows from side cap (13) along water conservancy diversion inclined plane (112) landing.

8. The elevator contact switch assembly of claim 1, wherein: the fixed contact assembly (32) comprises two groups of spring pieces (321), and the two groups of spring pieces (321) are respectively used for abutting against the contact plate (312).