CN214527550U

CN214527550U - Device for preventing short circuit of elevator car door lock

Info

Publication number: CN214527550U
Application number: CN202120604418.9U
Authority: CN
Inventors: 何比干
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-03-24
Filing date: 2021-03-24
Publication date: 2021-10-29
Anticipated expiration: 2031-03-24

Abstract

The utility model discloses a prevent device of elevator sedan-chair door lock short circuit, the camera includes a supporting plate, the one end of backup pad is provided with closing mechanism, closing mechanism includes motor, pivot, initiative helical gear, driven helical gear, fixed chute frame, lift-cabin door, internal thread fixed block and screw rod, the opposite side of backup pad is close to the front end region and is provided with the motor, the one end of motor is provided with the pivot, the one end of pivot is provided with the initiative helical gear, the oblique rear end of initiative helical gear is provided with driven helical gear, the one end of backup pad is provided with fixed chute frame, the one end of fixed chute frame is provided with the lift-cabin door, the downside region of the fixed chute frame of one end of lift-cabin door is provided with the internal thread fixed block. The utility model discloses stable in structure has improved the stability in use of elevator greatly, can avoid artificial violence to open after the elevator operation lift-cabin door is closed, produces the potential safety hazard risk, better satisfying the use needs.

Description

Device for preventing short circuit of elevator car door lock

Technical Field

The utility model relates to an elevator equipment technical field specifically is a prevent device of elevator sedan-chair lock short circuit.

Background

The elevator is a necessary delivery vehicle for high-rise buildings at present, is classified according to the driving mode, and can be divided into traction driving, hydraulic driving and other forms, wherein the traction driving has the advantages of safety, reliability, unlimited lifting height, easy control of the elevator speed and the like, so the traction-driven elevator gradually becomes the mainstream of elevator products; the elevator driven by traction comprises a car, a traction system and a counterweight system, wherein the car is pulled by traction ropes and a traction machine to lift, the traction ropes are connected to the top end of the car, and the traction resultant force direction of the traction ropes penetrates through the mass center of gravity of the car, so that the car can be ensured to lift stably.

The patent numbers are: CN 108145911 a's utility patent discloses a prevent device of elevator sedan-chair lock short circuit, include: the elevator safety protection system comprises a high-voltage electrical detection circuit, a safety loop, a hall door lock, a car door lock, a relay, a protection diode and an elevator main controller; the high-voltage electrical detection circuit comprises a safety detection point X1, a car door lock detection point X2, a hall door lock detection point X3, a relay coil control point Y1 and a common end COM; the hall door lock comprises at least two hall door lock switches TK, and the relay comprises a normally open contact KK1 and a control coil XQ 1; the high-voltage electrical detection circuit comprises a safety detection point X1, a car door lock detection point X2 and a hall door lock detection point X3. The utility model relates to a prevent device of elevator sedan-chair lock short circuit based on current general elevator system safety circuit, only need increase a relay and protection diode additional cost very little on circuit structure, can prevent the incident that the unusual short circuit of elevator sedan-chair lock leads to automatically, further improve elevator security.

The practical short circuit has some defects after innovation, most of the existing elevator doors are operated by hinges to achieve the aim of controlling the opening and closing of the elevator doors, and because the internal structure of the hinge mechanism is complex and the stability is relatively poor, internal parts of the hinge mechanism are easy to malfunction, and the integral use of the elevator is influenced; meanwhile, the lifting process of the elevator is used in a closed space, and in order to avoid manual violent opening inside the elevator door, secondary insurance reinforcement needs to be carried out on the closing of the elevator door, so that a scheme capable of relieving the problems is urgently needed.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a prevent device of elevator sedan-chair lock short circuit to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a device for preventing short circuit of an elevator car door lock comprises a supporting plate, wherein one end of the supporting plate is provided with a closing mechanism, the closing mechanism comprises a motor, a rotating shaft, a driving bevel gear, a driven bevel gear, a fixed chute frame, an elevator door, an internal thread fixing block and a screw rod, the other side of the supporting plate is provided with the motor close to the front end region, one end of the motor is provided with the rotating shaft, one end of the rotating shaft is provided with the driving bevel gear, the oblique rear end of the driving bevel gear is provided with the driven bevel gear, one end of the supporting plate is provided with the fixed chute frame, one end of the fixed chute frame is provided with the elevator door, the lower side region of the fixed chute frame at one end of the elevator door is provided with the internal thread fixing block, the rear end of the internal surface driven bevel gear of the internal thread fixing block is provided with the screw rod, the upper end of the fixed chute frame is provided with a locking device, locking device includes cylinder, telescopic link, carriage, returning face plate, card post, supporting shoe and draw-in groove piece, the upper end middle zone of fixed chute frame is close to the other end and is provided with the cylinder, the one end of cylinder is provided with the telescopic link, the one end of telescopic link is provided with the carriage, the surface of carriage is provided with the returning face plate, the lower extreme of returning face plate is close to one end and is provided with the card post, the upper end of the inside fixed chute frame of the other end of returning face plate is provided with the supporting shoe, the upper end of lift-cabin door is close to the rear end and is provided with the draw-in groove piece.

Preferably, the motor is fixedly installed at the other side of the support plate close to the front end region, the other end of the rotating shaft is movably connected with one end of the motor, the rotating shaft penetrates through the two ends of the support plate close to the front end and the penetrating surfaces are movably connected through a shaft sleeve.

Preferably, one end of the driving bevel gear is fixedly connected with one end of the rotating shaft, the oblique rear end of the driving bevel gear is connected with the oblique front end rodent of the driven bevel gear, the other end of the fixed chute frame is fixedly connected with one end of the supporting plate, and one end of the elevator door is slidably connected with one end of the fixed chute frame through the chute block.

Preferably, one end of the internal thread fixing block is fixedly connected with the lower side area, close to the fixed chute frame, of the middle area of one end of the elevator door, the inner surface of the internal thread fixing block is in threaded rotary connection with the outer surface of the screw rod, the front end of the screw rod is fixedly connected with the rear end of the driven helical gear, the rear end of the screw rod is movably connected with the rear end of the interior of the fixed chute frame through bearings in a positioning mode, the elevator door is provided with two groups, and the internal thread fixing blocks are provided with four groups.

Preferably, the cylinder fixed mounting is in the middle zone that the upper end of fixed sliding chute frame is close to the other end, the other end of telescopic link and the one end activity telescopic connection of cylinder, the one end of carriage and the one end fixed connection of telescopic link, inside sliding chute hole has been seted up to the returning face plate, the surface of carriage and the inside sliding chute hole sliding connection of returning face plate.

Preferably, the upper end of the clamping column is fixedly connected with one end, close to the lower end, of the turnover plate, the supporting block is movably connected with the inner part of the other end of the turnover plate through a shaft rod, the clamping groove blocks are fixedly installed at the upper end, close to the rear end region, of the elevator door, and the locking devices are provided with two groups.

Compared with the prior art, the beneficial effects of the utility model are as follows:

when the elevator door closing device is used, the rotating shaft and the driving bevel gear can be driven to rotate through the starting motor, the driven bevel gear can rotate along with the driving bevel gear after the driving bevel gear rotates, so that the inner surface of the inner thread fixing block is driven to rotate, the rear end of the screw is movably connected with the rear end of the inside of the fixed chute frame in a positioning mode, the screw rotates to drive the elevator door to slide back and forth at one end of the fixed chute frame through the inner thread fixing block, the purpose of closing the elevator door is achieved, the elevator door closing device is stable in structure, and the use stability of the elevator is greatly improved.

After the elevator door is closed, the clamping groove block can move to the lower side of the clamping column, the air cylinder is started later, the telescopic rod extends out through the air cylinder, the sliding frame is pushed to slide towards one end of the sliding groove hole of the turnover plate, the turnover plate is turned downwards by taking the shaft rod of the supporting block as a fulcrum, the clamping column is driven to move downwards, and finally the clamping groove is buckled inside the clamping groove of the clamping groove block.

Drawings

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

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

FIG. 3 is an enlarged schematic view of part A of the present invention;

fig. 4 is a schematic structural diagram of the locking device of the present invention.

In the figure: 1. a support plate; 2. a closing mechanism; 3. a locking device; 201. a motor; 202. a rotating shaft; 203. a driving bevel gear; 204. a driven helical gear; 205. fixing the chute frame; 206. an elevator door; 207. an internal thread fixing block; 208. a screw; 301. a cylinder; 302. a telescopic rod; 303. a carriage; 304. a turnover plate; 305. clamping the column; 306. a support block; 307. a slot clamping block.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships that are relative to each other, are merely for convenience of description and to simplify the description, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1-4, the present invention provides an embodiment: a device for preventing short circuit of an elevator car door lock comprises a supporting plate 1, wherein one end of the supporting plate 1 is provided with a closing mechanism 2, the closing mechanism 2 comprises a motor 201, a rotating shaft 202, a driving bevel gear 203, a driven bevel gear 204, a fixed chute frame 205, an elevator door 206, an internal thread fixing block 207 and a screw 208, the other side of the supporting plate 1 close to the front end region is provided with the motor 201, one end of the motor 201 is provided with the rotating shaft 202, one end of the rotating shaft 202 is provided with the driving bevel gear 203, the oblique rear end of the driving bevel gear 203 is provided with the driven bevel gear 204, one end of the supporting plate 1 is provided with the fixed chute frame 205, one end of the fixed chute frame 205 is provided with the elevator door 206, one end of the elevator door 206 is provided with the internal thread fixing block 207 in the lower side region of the fixed chute frame 205, the rear end of the internal surface of the driven bevel gear 204 of the internal thread fixing block 207 is provided with the screw 208, the upper end of the fixed chute frame 205 is provided with a locking device 3, the locking device 3 comprises an air cylinder 301, an expansion link 302, a sliding frame 303, a turnover plate 304, a clamping column 305, a supporting block 306 and a clamping groove block 307, the air cylinder 301 is arranged in the middle area of the upper end of the fixed sliding groove frame 205 close to the other end, the expansion link 302 is arranged at one end of the air cylinder 301, the sliding frame 303 is arranged at one end of the expansion link 302, the turnover plate 304 is arranged on the outer surface of the sliding frame 303, the clamping column 305 is arranged at the lower end of the turnover plate 304 close to one end, the supporting block 306 is arranged at the upper end of the fixed sliding groove frame 205 inside the other end of the turnover plate 304, and the clamping groove block 307 is arranged at the upper end of the elevator door 206 close to the rear end.

The motor 201 is fixedly installed at the other side of the support plate 1 close to the front end region, the other end of the rotating shaft 202 is movably connected with one end of the motor 201, and the rotating shaft 202 penetrates through the two ends of the support plate 1 close to the front end and is movably connected with the penetrating surfaces through a shaft sleeve.

One end of the driving bevel gear 203 is fixedly connected with one end of the rotating shaft 202, the oblique rear end of the driving bevel gear 203 is connected with the oblique front end of the driven bevel gear 204, the other end of the fixed chute frame 205 is fixedly connected with one end of the supporting plate 1, and one end of the elevator door 206 is slidably connected with one end of the fixed chute frame 205 through a chute block.

One end of an internal thread fixing block 207 is fixedly connected with the lower side area of the middle area of one end of the elevator door 206 close to the fixed chute frame 205, the inner surface of the internal thread fixing block 207 is in threaded rotary connection with the outer surface of a screw 208, the front end of the screw 208 is fixedly connected with the rear end of the driven helical gear 204, the rear end of the screw 208 is movably connected with the inner rear end of the fixed chute frame 205 through a bearing in a positioning way, two groups of elevator doors 206 are arranged, and four groups of internal thread fixing blocks 207 are arranged; when the elevator door 206 closing device is used, the rotating shaft 202 and the driving bevel gear 203 can be driven to rotate by the starting motor 201, the driven bevel gear 204 rotates along with the tooth after the driving bevel gear 203 rotates, so that the screw 208 is driven to rotate on the inner surface of the inner thread fixing block 207, and the rear end of the screw 208 is movably connected with the rear end of the inside of the fixed chute frame 205 in a positioning mode, so that the screw 208 rotates to drive the elevator door 206 to slide back and forth at one end of the fixed chute frame 205 through the inner thread fixing block 207, and the purpose of closing the elevator door 206 is achieved.

The air cylinder 301 is fixedly installed in the middle area, close to the other end, of the upper end of the fixed sliding groove frame 205, the other end of the telescopic rod 302 is movably and telescopically connected with one end of the air cylinder 301, one end of the sliding frame 303 is fixedly connected with one end of the telescopic rod 302, the turnover plate 304 is provided with an inner sliding groove hole, and the outer surface of the sliding frame 303 is slidably connected with the inner sliding groove hole of the turnover plate 304.

The upper end of the clamping column 305 is fixedly connected with one end, close to the lower end, of the turnover plate 304, the supporting block 306 is movably connected with the inside of the other end of the turnover plate 304 through a shaft rod, the clamping groove block 307 is fixedly arranged at the rear end area, close to the upper end of the elevator door 206, and the locking devices 3 are arranged in two groups; after the elevator door 206 is closed, the slot blocking block 307 moves to the lower side of the blocking column 305, then the air cylinder 301 is started, the telescopic rod 302 extends out through the air cylinder 301, the sliding frame 303 is pushed to slide towards one end of the sliding slot hole of the turnover plate 304, so that the turnover plate 304 is turned downwards by taking the shaft rod of the supporting block 306 as a pivot, the blocking column 305 is driven to move downwards, and finally the blocking column is buckled inside the slot of the slot blocking block 307, and the device can prevent the elevator door 206 from being opened violently by people after the elevator door is closed, so that potential safety hazard risks are generated.

The working principle is as follows: when the elevator door closing device is used, the rotating shaft 202 and the driving bevel gear 203 can be driven to rotate by starting the motor (model: SC400), the driven bevel gear 204 rotates along with the meshing tooth after the driving bevel gear 203 rotates, so that the screw 208 is driven to rotate on the inner surface of the internal thread fixing block 207, and the screw 208 rotates to drive the elevator door 206 to slide back and forth at one end of the fixed chute frame 205 through the internal thread fixing block 207 due to the positioning and movable connection of the rear end of the screw 208 and the rear end inside the fixed chute frame 205, so that the aim of closing the elevator door 206 is fulfilled, the elevator door closing device is stable in structure, and the use stability of the elevator is greatly improved; after the elevator door 206 is closed, the slot block 307 moves to the lower side of the slot 305, then the cylinder (model: JD25X5)301 is started, the telescopic rod 302 extends out through the cylinder 301, the sliding frame 303 is pushed to slide to one end of the sliding slot hole of the turnover plate 304, so that the turnover plate 304 is turned downwards by taking the shaft rod of the supporting block 306 as a pivot, and the slot block 305 is further driven to move downwards and finally clamped inside the slot of the slot block 307.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a prevent device of elevator sedan-chair lock short circuit, includes backup pad (1), its characterized in that: one end of the supporting plate (1) is provided with a closing mechanism (2), the closing mechanism (2) comprises a motor (201), a rotating shaft (202), a driving bevel gear (203), a driven bevel gear (204), a fixed chute frame (205), an elevator door (206), an internal thread fixing block (207) and a screw (208), the motor (201) is arranged on the other side of the supporting plate (1) close to the front end region, the rotating shaft (202) is arranged at one end of the motor (201), the driving bevel gear (203) is arranged at one end of the rotating shaft (202), the driven bevel gear (204) is arranged at the bevel rear end of the driving bevel gear (203), the fixed chute frame (205) is arranged at one end of the supporting plate (1), the elevator door (206) is arranged at one end of the fixed chute frame (205), the internal thread fixing block (207) is arranged at the lower side region of the fixed chute frame (205) at one end of the elevator door (206), the rear end of the driven helical gear (204) on the inner surface of the internal thread fixing block (207) is provided with a screw rod (208), the upper end of the fixed chute frame (205) is provided with a locking device (3), the locking device (3) comprises a cylinder (301), a telescopic rod (302), a sliding frame (303), a turnover plate (304), a clamping column (305), a supporting block (306) and a clamping groove block (307), the middle area of the upper end of the fixed chute frame (205) is provided with the cylinder (301) close to the other end, one end of the cylinder (301) is provided with the telescopic rod (302), one end of the telescopic rod (302) is provided with the sliding frame (303), the outer surface of the sliding frame (303) is provided with the turnover plate (304), the lower end of the turnover plate (304) is provided with the clamping column (305) close to one end, the upper end of the fixed chute frame (205) inside the other end of the turnover plate (304) is provided with the supporting block (306), the upper end of the elevator door (206) is provided with a clamping groove block (307) close to the rear end.

2. The device of claim 1, wherein the device comprises: the motor (201) is fixedly installed on the other side of the supporting plate (1) close to the front end region, the other end of the rotating shaft (202) is movably connected with one end of the motor (201), and the rotating shaft (202) penetrates through the two ends of the supporting plate (1) close to the front end and is movably connected with the penetrating surfaces through shaft sleeves.

3. The device of claim 1, wherein the device comprises: the one end of initiative helical gear (203) and the one end fixed connection of pivot (202), the oblique rear end of initiative helical gear (203) is connected with the oblique front end rodent of driven helical gear (204), the other end of fixed chute frame (205) and the one end fixed connection of backup pad (1), pass through chute piece sliding connection between the one end of elevator door (206) and the one end of fixed chute frame (205).

4. The device of claim 1, wherein the device comprises: one end of the internal thread fixing block (207) is fixedly connected with the lower side area, close to the fixed chute frame (205), of the middle area of one end of the elevator door (206), the inner surface of the internal thread fixing block (207) is in threaded rotary connection with the outer surface of the screw rod (208), the front end of the screw rod (208) is fixedly connected with the rear end of the driven bevel gear (204), the rear end of the screw rod (208) is movably connected with the rear end of the inside of the fixed chute frame (205) in a positioning mode through a bearing, the elevator door (206) is provided with two groups, and the internal thread fixing block (207) is provided with four groups.

5. The device of claim 1, wherein the device comprises: cylinder (301) fixed mounting is close to the middle zone of the other end in the upper end of fixed spout frame (205), the other end of telescopic link (302) and the one end activity telescopic connection of cylinder (301), the one end of carriage (303) and the one end fixed connection of telescopic link (302), inside spout hole has been seted up to returning face plate (304), the surface of carriage (303) and the inside spout hole sliding connection of returning face plate (304).

6. The device of claim 1, wherein the device comprises: the upper end of the clamping column (305) is fixedly connected with one end, close to the lower end, of the turnover plate (304), the supporting block (306) is movably connected with the inner part of the other end of the turnover plate (304) through a shaft rod, the clamping groove block (307) is fixedly installed at the upper end, close to the rear end region, of the elevator door (206), and the locking devices (3) are provided with two groups.