Elevator door knife unlocking device

Abstract

The utility model relates to an elevator door vane unlocking device which comprises a hoistway door and a car door, a hinge seat is installed on one side of the top end of the hoistway door, a door vane is installed in the hinge seat in a hinged mode, a first installation seat is installed on the hoistway door, a second hinge rod is installed at the end, close to the car door, of the first installation seat in a hinged mode, and a connecting rod is rotatably installed in an installation hole. A second abutting block is mounted at the end, extending out of the mounting hole, of the connecting rod, the end faces, close to the first abutting block, of the second abutting block and the first abutting block are inclined, and the connecting rod is limited in the limiting ring groove through the limiting ring block. When the car door starts to move up and down, the car door cannot make contact with the first abutting block on the landing door, the door knife is locked in the door knife box, and therefore the landing door cannot be opened, and the door knife is automatically unlocked whenever the car door is flush with the landing door.

Description

TECHNICAL FIELD

[0001] The utility model relates to elevator technical field especially relates to an elevator door lock unlocking device. BACKGROUND

[0002] The elevator door lock is the important component part of elevator hall door, in order to safety consideration, need to use elevator door lock to lock elevator hall door, only when elevator car reaches the designated landing, the hall door of elevator and car door can open simultaneously, in order to passenger safety, the existing elevator car door and elevator hall door between through mostly adopt position sensor to control opening and closing, when car door reaches landing and hall door is flush, position sensor unlocks elevator door lock, makes elevator hall door and elevator car door open synchronously, however sensor belongs to electrical device, although its control precision is high, but long -term work may have fault not reliable. SUMMARY

[0003] The utility model discloses a kind of elevator door lock unlocking devices, the elevator door lock does not need sensor, can automatically unlock elevator door lock when elevator car door reaches door station and hall door flush, to solve the problem proposed in above background technique.

[0004] To achieve the above object, the utility model provides the following technical scheme.

[0005] A kind of elevator door lock unlocking device, including hall door and car door,

[0006] The top of hall door One side is installed with hinged seat, hinged seat is hingedly installed with door lock in it;

[0007] First mounting seat is installed on hall door, second hinged rod is hingedly installed with one end of first mounting seat close to car door, second hinged rod is hingedly connected with door lock by first hinged rod;

[0008] First mounting seat close to car door One end of second hinged rod is installed with first abutment;

[0009] Second mounting seat is installed on car door, and the end of second mounting seat close to first mounting seat is provided with through mounting hole;

[0010] Limiting ring groove is formed on the inner wall of mounting hole, and connecting rod is rotatably installed in mounting hole;

[0011] Second abutment is installed on the end of connecting rod extending out of mounting hole, and the end face of second abutment close to first abutment is inclined;

[0012] Connecting rod is limited in limiting ring groove by limiting ring block.

[0013] Therefore, by setting the side of the top end of the hall door is provided with a hinge seat, the door blade is hingedly installed in the hinge seat, the first mounting seat is installed on the hall door, the second hinge rod is hingedly installed on one end of the first mounting seat close to the car door, the second hinge rod is connected with the door blade through the first hinge rod, the first stop block is installed on one end of the second hinge rod away from the first hinge rod, the second mounting seat is installed on the car door, the through mounting hole is formed in one end of the second mounting seat close to the first mounting seat, the limiting ring groove is formed in the inner wall of the mounting hole, the connecting rod is rotatably installed in the mounting hole, the second stop block is installed on one end of the connecting rod extending out of the mounting hole, the end faces of the second stop block and the first stop block close to each other are inclined, the connecting rod is limited in the limiting ring groove through the limiting ring block, when the car reaches the specified door station, the second stop block on the car door abuts against the first stop block on the second hinge rod, so that the second hinge rod drives the door blade through the first hinge rod to remove displacement and thereby remove the limiting, on the contrary, when the car door starts to move up and down, the first stop block on the hall door cannot be contacted, and the door blade is locked in the door blade box, so that the hall door cannot be opened, and the door blade is automatically unlocked when the car door is flush with the hall door.

[0014] Further, the second clamping rod is installed on one end of the car door close to the hall door, and the first clamping rod is installed on one end of the hall door close to the car door.

[0015] The second clamping rod is clamped between the two first clamping rods.

[0016] By setting the second clamping rod installed on one end of the car door close to the hall door, the first clamping rod installed on one end of the hall door close to the car door, and the second clamping rod clamped between the two first clamping rods, when the hall door is flush with the car door, the car door drives the hall door to open and close synchronously through the second clamping rod.

[0017] Further, the through sliding groove is formed in the first mounting seat, the guide rod is installed in the sliding groove, and the sliding rod is slidingly installed on the guide rod through the sliding hole.

[0018] One end of the sliding rod is fixedly connected with the first stop block, and the other end of the sliding rod is provided with the pull rod.

[0019] The guide rod is provided with the spring, and the first ends of the spring are abutted between the inner bottom wall of the sliding groove and the sliding rod.

[0020] By setting one end of the sliding rod fixedly connected with the first stop block, the other end of the sliding rod provided with the pull rod, the sliding rod sliding on the guide rod through the sliding hole, and the spring sleeved on the guide rod, the first ends of the spring abutted between the inner bottom wall of the sliding groove and the sliding rod, when the elevator fails, a person outside the elevator can pull the pull rod to remove the limiting of the door blade, so as to open the hall door for maintenance and repair of the elevator.

[0021] Further, the lock cylinder body is rotatably installed in the mounting hole, and the lock cylinder body is fixedly connected with the limiting ring block.

[0022] The lock cylinder body is provided with a lock cylinder hole at one end away from the limiting ring block, and a key is inserted into the lock cylinder hole on the lock cylinder body.

[0023] The lock cylinder body is rotatably installed in the mounting hole, the lock cylinder body is fixedly connected with the limiting ring block, the lock cylinder body is provided with a lock cylinder hole at one end away from the limiting ring block, and a key is inserted into the lock cylinder hole on the lock cylinder body.

[0024] Further, a hinge groove is formed at one end of the door blade away from the hinge seat, and a clamping wheel is rotatably installed in the hinge groove.

[0025] The hinge groove is formed at one end of the door blade away from the hinge seat, and the clamping wheel is rotatably installed in the hinge groove, so that the door blade avoids hard collision with the door blade box when being opened and closed, and the collision damage between the door blade and the door blade box is avoided. BRIEF DESCRIPTION OF DRAWINGS

[0026] Figure 1 It is a whole structure perspective view of the utility model;

[0027] Figure 2 It is a connection structure schematic view of the hall door and the door blade in the utility model;

[0028] Figure 3 It is a sectional split structure schematic view of the unlocking assembly on the hall door in the utility model;

[0029] Figure 4 It is a structure schematic view of the utility model;

[0030] Figure 5 It is a sectional split structure schematic view of the unlocking assembly on the hall door in the utility model.

[0031] In the drawing: 1, hall door; 11, hinge seat; 12, door blade; 121, hinge groove; 122, clamping wheel; 13, first hinge rod; 14, first mounting seat; 141, sliding groove; 142, guide rod; 143, spring; 145, sliding rod; 1451, sliding hole; 146, pull rod; 15, second hinge rod; 151, first abutting block; 16, first clamping rod; 2, door blade; 21, second mounting seat; 22, mounting hole; 221, limiting ring groove; 23, connecting rod; 231, second abutting block; 232, limiting ring block; 24, lock cylinder body; 241, lock cylinder hole; 25, key; 26, second clamping rod. DETAILED DESCRIPTION

[0032] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all the other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.

[0033] Please refer to Figures 1-5 The elevator door lock releasing device provided by the present application comprises a hall door 1 and a car door 2,

[0034] A hinged seat 11 is installed on one side of the top end of the hall door 1, and a door lock 12 is hingedly installed in the hinged seat 11;

[0035] A first mounting seat 14 is installed on the hall door 1, and a second hinged rod 15 is hingedly installed on one end of the first mounting seat 14 close to the car door 2, and the second hinged rod 15 is hingedly connected with the door lock 12 through a first hinged rod 13;

[0036] A first abutting block 151 is installed on one end of the second hinged rod 15 away from the first hinged rod 13;

[0037] A second mounting seat 21 is installed on the car door 2, and a through mounting hole 22 is formed on one end of the second mounting seat 21 close to the first mounting seat 14;

[0038] A limiting ring groove 221 is formed on the inner wall of the mounting hole 22, and a connecting rod 23 is rotatably installed in the mounting hole 22;

[0039] A second abutting block 231 is installed on one end of the connecting rod 23 extending out of the mounting hole 22, and the end faces of the second abutting block 231 and the first abutting block 151 are both inclined;

[0040] The connecting rod 23 is limited in the limiting ring groove 221 by a limiting ring block 232.

[0041] When the car reaches the designated door station, the second abutting block 231 on the car door 2 abuts against the first abutting block 151 on the second hinged rod 15, so that the second hinged rod 15 drives the door lock 12 to release displacement through the first hinged rod 13, thereby releasing the limiting. When the car door 2 starts to move up and down, the second abutting block 231 cannot contact the first abutting block 151 on the hall door 1, and the door lock 12 is locked in the door lock box, so that the hall door 1 cannot be opened. Therefore, the door lock 12 is automatically unlocked when the car door 2 is flush with the hall door 1.

[0042] Specifically, the second clamping rod 26 is installed on one end of the car door 2 close to the hall door 1, and the first clamping rod 16 is installed on one end of the hall door 1 close to the car door 2 in a counter support manner; the second clamping rod 26 is clamped between the two first clamping rods 16. By arranging the second clamping rod 26 installed on one end of the car door 2 close to the hall door 1, the first clamping rod 16 installed on one end of the hall door 1 close to the car door 2 in a counter support manner, and the second clamping rod 26 clamped between the two first clamping rods 16, when the hall door 1 is flush with the car door 2, the car door 2 can drive the hall door 1 to open and close synchronously through the second clamping rod 26.

[0043] Specifically, the first mounting seat 14 is provided with a through sliding groove 141, a guide rod 142 is installed in the sliding groove 141, and a sliding rod 145 is slidingly installed on the guide rod 142 through a sliding hole 1451; one end of the sliding rod 145 is fixedly connected with the first abutting block 151, and the other end of the sliding rod 145 is provided with a pull rod 146; the guide rod 142 is provided with a spring 143, and the first ends of the spring 143 are abutted between the inner bottom wall of the sliding groove 141 and the sliding rod 145. By arranging the first end of the sliding rod 145 fixedly connected with the first abutting block 151, the other end of the sliding rod 145 provided with the pull rod 146, the sliding rod 145 sliding on the guide rod 142 through the sliding hole 1451, and the spring 143 sleeved on the guide rod 142 with the first ends of the spring 143 abutted between the inner bottom wall of the sliding groove 141 and the sliding rod 145, when the elevator fails, a person outside the elevator can pull the pull rod 146 to release the limiting of the door blade 12, so as to open the hall door 1 for maintenance and repair of the elevator.

[0044] Specifically, the lock core body 24 is rotationally installed in the mounting hole 22, and the lock core body 24 is fixedly connected with the limiting ring block 232; the lock core body 24 is provided with a lock core hole 241 at the end away from the limiting ring block 232, and the key 25 is inserted in the lock core hole 241 in the lock core body 24. By arranging the lock core body 24 rotationally installed in the mounting hole 22, the lock core body 24 fixedly connected with the limiting ring block 232, and the lock core body 24 provided with the lock core hole 241 at the end away from the limiting ring block 232, and the key 25 inserted in the lock core hole 241 in the lock core body 24, when the elevator car fails to unlock the door blade 12 at a specified landing, a person in the car can rotate the lock core body 24 by the key 25 to make the second abutting block 231 move, so as to unlock the door blade 12.

[0045] Specifically, the door blade 12 is provided with a hinged groove 121 at the end away from the hinged seat 11, and a clamping wheel 122 is rotationally installed in the hinged groove 121. By arranging the hinged groove 121 at the end of the door blade 12 away from the hinged seat 11, and the clamping wheel 122 rotationally installed in the hinged groove 121, the clamping wheel 122 avoids hard collision between the door blade 12 and the door blade box during opening and closing, so as to prevent damage between them caused by impact.

[0046] The above is a detailed description of the utility model in combination with specific embodiments, and the specific implementation of the utility model cannot be limited to these descriptions. For ordinary skilled persons in the technical field to which the utility model belongs, a number of equivalent substitutions or obvious modifications can be made without departing from the concept of the utility model, and the performance or use is the same, and all should be regarded as belonging to the patent protection range determined by the submitted claims of the utility model.

Claims

1. An elevator door lock unlocking device, comprising a landing door (1) and a car door (2), characterized in that: a hinged seat (11) is arranged on one side of the top end of the landing door (1), and a door lock (12) is hingedly arranged in the hinged seat (11); a first mounting seat (14) is arranged on the landing door (1), a second hinged rod (15) is hingedly arranged on one end of the first mounting seat (14) close to the car door (2), and the second hinged rod (15) is hingedly connected with the door lock (12) through a first hinged rod (13); a first abutting block (151) is arranged on one end of the second hinged rod (15) away from the first hinged rod (13); a second mounting seat (21) is arranged on the car door (2), and a through mounting hole (22) is formed on one end of the second mounting seat (21) close to the first mounting seat (14); a limiting ring groove (221) is formed on the inner wall of the mounting hole (22), and a connecting rod (23) is rotatably arranged in the mounting hole (22); a second abutting block (231) is arranged on one end of the connecting rod (23) extending out of the mounting hole (22), and the end faces of the first abutting block (151) and the second abutting block (231) are both inclined; and the connecting rod (23) is limited in the limiting ring groove (221) through a limiting ring block (232).

2. The elevator door lock unlocking device according to claim 1, characterized in that: a second clamping rod (26) is arranged on one end of the car door (2) close to the landing door (1), and a first clamping rod (16) is arranged on one end of the landing door (1) close to the car door (2) in a counter-bracing manner; and the second clamping rod (26) is clamped between the two first clamping rods (16). Further comprising a sliding rod (145), characterized in that: a through sliding groove (141) is formed on the first mounting seat (14), a guide rod (142) is arranged in the sliding groove (141), the sliding rod (145) is slidingly arranged on the guide rod (142) through a sliding hole (1451); one end of the sliding rod (145) is fixedly connected with the first abutting block (151), and a pulling rod (146) is arranged on the other end of the sliding rod (145); and a spring (143) is arranged on the guide rod (142), and the first end of the spring (143) is abutted between the inner bottom wall of the sliding groove (141) and the sliding rod (145). Further comprising a lock cylinder body (24) and a key (25), characterized in that: the lock cylinder body (24) is rotatably arranged in the mounting hole (22), and the lock cylinder body (24) is fixedly connected with the limiting ring block (232); a lock cylinder hole (241) is formed on one end of the lock cylinder body (24) away from the limiting ring block (232), and the key (25) is inserted into the lock cylinder hole (241) on the lock cylinder body (24).

5. The elevator door lock unlocking device according to claim 1, characterized in that: ​ ​ ​ ​ ​ ​ 3. The elevator door latch release of claim 1, wherein: ​ ​ ​ ​ 4. The elevator door latch release of claim 1, wherein: ​ ​ ​ ​ A hinge slot (121) is formed on the door blade (12) away from the hinge seat (11), and a clamping wheel (122) is rotatably installed in the hinge slot (121).

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