CN215626071U - Door device is prevented taking off by elevator - Google Patents

Abstract

The utility model relates to the technical field of elevator anti-theft doors, in particular to an elevator anti-theft door device, which comprises a bottom plate, a first door vane and a second door vane, wherein the first door vane and the second door vane are firstly arranged on a lobby, when the elevator car door is closed, the balance connecting rod is fixedly supported in the lobby, the first limiting block drives the first guide rod and the rotating rod in the first connecting rod to move upwards, the second limiting block drives the second guide rod and the rotating rod in the second connecting rod to move downwards, the upper part of the second limiting block moves to be fixedly supported in the second guide rod through the tension spring, and the lower part of the first limiting block moves to be fixed through the unlocking buckle, thereby drive the latch hook that first stopper is connected, press the latch hook through the release buckle, mutually support between latch hook and the hasp board, the car door just can't be taken off by people's brute force like this.

Description

Door device is prevented taking off by elevator

Technical Field

The utility model relates to the technical field of elevator anti-theft doors, in particular to an elevator anti-theft door device.

Background

The elevator is used as an important tool for connecting vertical traffic of high-rise buildings, the holding amount of the elevator is increased year by year, the elevator plays an important role in life and work of people, installation technologies of part of elevator related manufacturing enterprises are old, equipment is low in grade or aging phenomenon occurs, so that the quality of the elevator is difficult to guarantee, the probability of fault occurrence is increased, and the elevator stops running when power failure, water inflow, sudden faults and passenger violation of use regulations, such as overload, violent bouncing in a car, forced door opening and the like, occur. The elevator car may be stopped at a position where a certain floor is level with the ground or at a position higher or lower than the ground of a certain floor, but the trapped person is completely unknown to the outside in the closed car, so that even if the elevator car can escape, the passenger may be injured.

The elevator car door majority all does not set up the anti-theft device, and the personnel of taking can be pulled open with the brute force from the door, and when the elevator broke down, someone can pull open the car door by force and climb out, if the elevator starts suddenly like this and will cause major accident, but has set up the anti-theft device a bit, but its structure is complicated, has reduced the reliability of elevator.

Disclosure of Invention

The utility model aims to provide an elevator anti-theft door device to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: an elevator anti-theft door device comprises a bottom plate, a first door knife and a second door knife, wherein the first door knife and the second door knife are respectively installed on two sides of the bottom plate, the other end of the lower part of the first door knife is connected with a first connecting rod, one end of the upper part of the second door knife is connected with a second connecting rod, the middle parts of the first connecting rod and the second connecting rod are connected with a rotating rod, the rotating rod of the first connecting rod is connected with a first guide rod, the rotating rod of the second connecting rod is connected with a second guide rod, a first limiting block is mutually matched and connected on the bottom plate of the place where the first guide rod is placed, a second limiting block is mutually matched and connected on the bottom plate of the place where the second guide rod is placed, the first guide rod and the first limiting block are mutually matched and are connected with a lock release buckle, and the second guide rod and the second limiting block are mutually matched and are connected with a lock hook, the lower extreme of bottom plate installs the set screw, the stopper is installed to the upper end of bottom plate, stopper and second stopper are mutually supported and are connected, the top other end of first door sword is connected with the third connecting rod, the below one end of second door sword is connected with the fourth connecting rod, the bottom plate is connected with the extension spring, bottom plate one side of bottom plate is connected with balanced connecting rod.

Preferably, the unlocking buckle is mutually matched and connected with the lock hook, and the unlocking buckle is connected with the lock hook through the first limiting block and is mutually matched with the lock hook through the second limiting block.

Preferably, one side of the lock hook is connected with the lock catch plate in a matched mode.

Preferably, the two ends of the tension spring are respectively connected with the first door knife and the bottom plate, one end of the tension spring is fixedly provided with a supporting buckle, and the upper end and the lower end of the supporting buckle are fixedly connected to the bottom plate in a welding mode.

Preferably, the first connecting rod, the second connecting rod, the third connecting rod and the fourth connecting rod are connected with the bottom plate through rotating rods.

The utility model has the beneficial effects that:

the elevator car door is installed on a hall through a first door vane and a second door vane, when the elevator car door is closed, a balance connecting rod is fixedly supported in the hall, a first limiting block drives a rotating rod in a first guide rod and a first connecting rod to move upwards, a second limiting block drives a rotating rod in a second guide rod and a rotating rod in a second connecting rod to move downwards, the upper part of the second limiting block moves to be fixedly supported in the second guide rod through a tension spring, the lower part of the first limiting block moves to be fixed through an unlocking buckle, so that a lock hook connected with the first limiting block is driven, the lock hook is pressed through the unlocking buckle, the lock hook and a lock catch plate are matched with each other, so that the elevator car door cannot be forcibly pulled open, when the elevator car is opened, the first limiting block and the second limiting block move along a designated position, so that the lock hook is opened by being separated from the lock catch plate, so that the opened state can be normally restored.

Drawings

FIG. 1 is a schematic overall front view of the present invention;

fig. 2 is a schematic view of the overall back view structure of the present invention.

The labels in the figure are: 1. a first connecting rod; 2. rotating the rod; 3. a first guide bar; 4. a second connecting rod; 5. a second guide bar; 6. unlocking the lock; 7. a latch hook; 8. a locking plate; 9. a base plate; 10. fixing screws; 11. a limiting block; 12. a first door vane; 13. a second door vane; 14. a third connecting rod; 15. a fourth connecting rod; 16. a tension spring; 17. a support buckle; 18. a balance link; 19. a first stopper; 20. and a second limiting block.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative efforts based on the embodiments of the present invention belong to the protection scope of the present invention.

Referring to fig. 1-2, an embodiment of the present invention is shown: an elevator anti-theft door device comprises a bottom plate 9, a first door vane 12 and a second door vane 13, wherein the two sides of the bottom plate 9 are respectively provided with the first door vane 12 and the second door vane 13, the other end below the first door vane 12 is connected with a first connecting rod 1, one end above the second door vane 13 is connected with a second connecting rod 4, the middle parts of the first connecting rod 1 and the second connecting rod 4 are connected with a rotating rod 2, the rotating rod 2 of the first connecting rod 1 is connected with a first guide rod 3, the rotating rod 2 of the second connecting rod 4 is connected with a second guide rod 5, the bottom plate 9 where the first guide rod 3 is arranged is mutually matched and connected with a first limiting block 19, the bottom plate 9 where the second guide rod 5 is arranged is mutually matched and connected with a second limiting block 20, the first guide rod 3 and the first limiting block 19 are mutually matched and connected with a lock release catch 6, the second guide rod 5 and the second limiting block 20 are mutually matched and connected with a lock hook 7, fixed screw 10 is installed to the lower extreme of bottom plate 9, stopper 11 is installed to the upper end of bottom plate 9, stopper 11 is connected with the mutual cooperation of second stopper 20, the top other end of first door sword 12 is connected with third connecting rod 14, the below one end of second door sword 13 is connected with fourth connecting rod 15, bottom plate 9 is connected with extension spring 16, bottom plate one side of bottom plate 9 is connected with balanced connecting rod 18, one side below and the hasp board 8 of latch hook 7 are connected each other to match, the both ends of extension spring 16 are connected with first door sword 12 and bottom plate 9 respectively, the one end fixed mounting of extension spring 16 has support to detain 17, and support to detain 17 the upper and lower end through welded mode fixed connection in bottom plate 9.

The working principle is as follows: firstly, the elevator car door is installed on a hall through a first vane 12 and a second vane 13, when the elevator car door is closed, a balance connecting rod 18 is fixedly supported in the hall, a first limiting block 19 drives a first guide rod 3 and a rotating rod 2 in a first connecting rod 1 to move upwards, a second limiting block 20 drives a second guide rod 5 and a rotating rod 2 in a second connecting rod 4 to move downwards, the upper part of the second limiting block 20 moves and is fixedly supported in the second guide rod 5 through a tension spring 16, the lower part of the first limiting block 19 moves and is fixed through a lock release buckle 6, so that a lock hook 7 connected with the first limiting block 19 is driven, the lock hook 7 is pressed through the lock release buckle 6, the lock hook 7 is matched with a lock buckle plate, therefore, the elevator car door cannot be forcefully opened, when the elevator car door is opened, the elevator car door moves along a specified position through the first limiting block 19 and the second limiting block 20, thereby allowing the shackle 7 to be disjointed open from the strike plate 8, enabling the open condition to be normally restored.

And finally: it will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (5)

1. The utility model provides an elevator prevents taking off door device, includes bottom plate (9), first door sword (12) and second door sword (13), its characterized in that: the utility model discloses a lock catch, including bottom plate (9), first door sword (12) and second door sword (13) are installed respectively to the both sides of bottom plate (9), the below other end of first door sword (12) is connected with head rod (1), the top one end of second door sword (13) is connected with second connecting rod (4), head rod (1) and second connecting rod (4) mid-mounting have dwang (2), dwang (2) of head rod (1) are connected with first guide bar (3), dwang (2) of second connecting rod (4) are connected with second guide bar (5), mutually support on bottom plate (9) that first guide bar (3) were placed and be connected with first stopper (19), mutually support on bottom plate (9) that second guide bar (5) were placed and be connected with second stopper (20), mutually support between first guide bar (3) and first stopper (19) and separate hasp (6) and be connected, mutually support between second guide bar (5) and second stopper (20) and be connected with latch hook (7), fixed screw (10) are installed to the lower extreme of bottom plate (9), stopper (11) are installed to the upper end of bottom plate (9), stopper (11) are mutually supported with second stopper (20) and are connected, the top other end of first door sword (12) is connected with third connecting rod (14), the below one end of second door sword (13) is connected with fourth connecting rod (15), bottom plate (9) are connected with extension spring (16), bottom plate one side of bottom plate (9) is connected with balanced connecting rod (18).

2. The elevator anti-theft door device according to claim 1, wherein: the unlocking buckle (6) is connected to the locking hook (7) in a matched mode, and the unlocking buckle (6) is connected with the locking hook (7) through the first limiting block (19) and connected with the locking hook (7) through the second limiting block (20) in a matched mode.

3. The elevator anti-theft door device according to claim 1, wherein: the lower part of one side of the lock hook (7) is matched and connected with the lock catch plate (8).

4. The elevator anti-theft door device according to claim 1, wherein: the both ends of extension spring (16) are connected with first door sword (12) and bottom plate (9) respectively, the one end fixed mounting of extension spring (16) has the support to detain (17), and supports the upper and lower end of detaining (17) and pass through welded mode fixed connection in bottom plate (9).

5. The elevator anti-theft door device according to claim 1, wherein: the first connecting rod (1), the second connecting rod (4), the third connecting rod (14) and the fourth connecting rod (15) are connected with the bottom plate (9) through the rotating rod (2).

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