CN103434916B - Side opening door type elevator and car door lock thereof - Google Patents

Abstract

The invention discloses a side-opening door elevator, which comprises a car door lock, a car body, and a car door installed on the car body. The car door lock includes a lock hook assembly and a switch assembly matched with the lock hook assembly. The switch assembly is fixed on the car body, the lock hook assembly includes a lock hook plate, a striker wheel, a switch contact plate, a mounting plate fixed on the top of the car door, a thrust spring one, and a thrust spring two. The hook plate is installed on the mounting plate through a vertical shaft, so that the lock hook plate can rotate in the horizontal plane, the striker wheel is installed at the rear end of the lock hook plate, and the switch contact plate is rotatably hinged on the lock hook plate , the thrust spring one is arranged between the rear end of the lock hook plate and the installation plate perpendicular to the direction of movement of the car door, the thrust spring two is arranged between the switch contact plate and the lock hook plate, and the front end of the lock hook plate is the lock hook end, the lock hook end is hook-shaped. The side-opening door elevator eliminates the problem that the car door is easy to push open. The invention also provides a side-opening elevator car door lock.

Description

Side door elevator and its car door lock

technical field

The invention relates to the technical field of elevators, in particular to a side door elevator and a car door lock thereof.

Background technique

Side door elevators are mostly used as freight elevators or medical elevators. Traditional side door elevator car door locks provide thrust through the closing of the car door to push the lock body of the car door lock to the switch to achieve closure. The return of the car door lock body of this structure The compression force of the bit spring comes from the thrust when the car door is closed, and there is a risk of pushing the car door open.

Contents of the invention

Based on this, the present invention overcomes the defects of the prior art and provides a side-opening door elevator, which aims to eliminate the problem that the car door is easy to push open and improve the safety performance of the elevator.

Its technical scheme is as follows:

A side door type elevator, comprising a car door lock, a car body, and a car door installed on the car body, the car door lock includes a lock hook assembly, a switch assembly matched with the lock hook assembly, the switch assembly Fixed on the car body, the lock hook assembly includes a lock hook plate, a striker wheel, a switch contact plate, a mounting plate fixed on the top of the car door, a thrust spring 1, and a thrust spring 2. The lock hook plate passes through the vertical The straight rotating shaft is installed on the mounting plate so that the lock hook plate can rotate in the horizontal plane. The first vertical car door movement direction is set between the rear end of the lock hook plate and the installation plate, the thrust spring two is set between the switch contact plate and the lock hook plate, the front end of the lock hook plate is the lock hook end, the lock The hook ends are hooked. When the car door is in the non-leveling area, the car door lock is in the locked state; when the car door is in the leveling area, the striker wheel hits the striker plate on the landing door frame, causing the lock hook plate to rotate in the horizontal plane, thereby realizing unlocking . The lock hook plate rotates in the horizontal plane through the vertical shaft, and once it is returned to its original position by the thrust spring arranged vertically to the movement direction of the car door, its movement will not affect the movement of the car door, thereby eliminating the problem that the car door is easy to push open.

Preferably, the switch assembly includes a lock hook seat matched with the lock hook end, a switch matched with the switch contact plate, and a push plate for pushing the switch contact plate to rotate, and the lock hook seat is fixed on the car On the main body, the push plate and the switch are fixedly installed on the lock hook seat. The switch is fixed on the lock hook seat, and the problem of loosening and damage of the switch line is not easy to occur. When the car door lock is in the locked state, the hook end is buckled on the hook seat, the switch contact plate is in contact with the contact on the switch, the striker wheel is located in front of the strike plate, and there is a gap between the lock hook end and the switch assembly. Opening distance, the pre-opening distance is greater than or equal to the distance between the striker wheel and the striker plate; when the car door lock is switched from the locked state to the unlocked state, the striker wheel is against the striker plate on the landing door frame, so that the lock hook The plate rotates in the horizontal plane, so that the lock hook end is separated from the lock hook seat, and the switch contact plate rotates through the action of the push plate, thereby disengaging from the contact on the switch, thereby opening the car door. When the striker is no longer against the striker, the thrust spring one will return the lock hook plate through its own spring force, and when the push plate no longer acts on the switch contact plate, the thrust spring two will make the switch contact through its own spring force Return the board. When the car door changes from open to closed, along with the movement of the car door, the striker wheel is also against the striker plate, so that the lock hook plate rotates in the horizontal plane. When the car door is closed, the striker wheel no longer touches the striker plate, The end of the lock hook is buckled on the lock hook seat, the switch contact plate is in contact with the contact on the switch, and the car door lock is locked.

Preferably, the lock hook assembly further includes a first limit rod and a second limit rod, the first limit rod is arranged at the front end of the mounting plate to limit the rotation of the lock hook plate, and the second limit rod The rod is arranged at the front end of the lock hook plate to limit the rotation of the switch contact plate and avoid excessive return of the lock hook plate and the switch contact plate.

The present invention also provides a side-opening elevator car door lock, the technical solution of which is as follows:

A side-opening elevator car door lock, comprising a lock hook assembly and a switch assembly matched with the lock hook assembly, the lock hook assembly includes a lock hook plate, a striker wheel, a switch contact plate, a thrust spring 1, and a thrust spring 2 1. The mounting plate, the lock hook plate is installed on the mounting plate through a vertical shaft, so that the lock hook plate can rotate in the horizontal plane, the hitting wheel is installed at the rear end of the lock hook plate, and the switch contact plate can rotate Hinged on the lock hook plate, the thrust spring one is arranged between the rear end of the lock hook plate and the installation plate vertically to the moving direction of the car door, and the thrust spring two is arranged between the switch contact plate and the lock hook plate, and the lock The front end of the hook plate is a lock hook end, and the lock hook end is hook-shaped. The lock hook plate rotates in the horizontal plane through the vertical shaft to realize locking or unlocking, and returns to its position through the thrust spring set vertically to the movement direction of the car door. The movement of the car door lock with this structure will not affect the movement of the car door. Thereby eliminating the problem that the car door is easy to push open.

Preferably, the switch assembly includes a lock hook seat matched with the lock hook end, a switch matched with the switch contact plate, and a push plate for pushing the switch contact plate to rotate, and the push plate and the switch are fixedly mounted on On the lock hook seat. The switch is fixed on the lock hook seat, and the problem of loosening and damage of the switch line is not easy to occur. When the car door lock is in the locked state, the end of the lock hook is buckled on the lock hook seat, and the switch contact plate is in contact with the contact on the switch; The strike plate on the door frame makes the lock hook plate rotate in the horizontal plane, so that the lock hook end is separated from the lock hook seat, and the switch contact plate rotates through the push plate, thereby disengaging from the contact on the switch. When the striker is no longer against the striker, the thrust spring one will return the lock hook plate through its own spring force, and when the push plate no longer acts on the switch contact plate, the thrust spring two will make the switch contact through its own spring force Return the board.

Preferably, the lock hook assembly further includes a first limit rod and a second limit rod, the first limit rod is arranged at the front end of the mounting plate to limit the rotation of the lock hook plate, and the second limit rod The rod is arranged at the front end of the lock hook plate to limit the rotation of the switch contact plate and avoid excessive return of the lock hook plate and the switch contact plate.

The advantages or principles of the foregoing technical solutions are described below:

In the side-opening door elevator, the hook plate of the car door lock is installed on the car door through a vertical shaft, and can follow the movement of the car door, and the lock hook plate rotates in the horizontal plane to realize the locking or unlocking of the car door lock. , and set the thrust spring one perpendicular to the movement direction of the car door to return the lock hook plate. The elastic force of the thrust spring one acts vertically on the car door, which will not generate the force to push the car door open, and avoid the car door slowly opening during operation. The phenomenon appears, eliminates the problem that the car door is easy to push open, and improves the safety performance of the elevator.

The switch of the car door lock is fixedly installed on the hook seat, and will not move with the movement of the hook plate, thereby avoiding fatigue damage to the wires and improving safety.

Description of drawings

Fig. 1 is a structural schematic diagram of a side-opening door type elevator described in an embodiment of the present invention;

Fig. 2 is the enlarged schematic diagram of place A in Fig. 1;

Fig. 3 is a side view of the side-by-side door elevator described in the embodiment of the present invention;

Fig. 4 is the enlarged schematic diagram of place B in Fig. 3;

Fig. 5 is a structural schematic diagram of a side-by-side elevator car door lock according to an embodiment of the present invention;

Explanation of reference signs:

100, car door lock, 110, lock hook assembly, 111, lock hook plate, 112, striker wheel, 113, switch contact plate, 114, mounting plate, 115, thrust spring one, 116, thrust spring two, 117, rotating shaft , 118, first limit rod, 119, second limit rod, 120, switch assembly, 121, lock hook seat, 122, switch, 123, push plate, 130, strike plate, 200, car body, 210, Car door guide rail frame, 300, car door, 400, landing door frame.

Detailed ways

Embodiments of the present invention are described in detail below in conjunction with accompanying drawings:

As shown in Figures 1 and 3, a side-opening door type elevator includes a car door lock 100, a car body 200, and a car door 300 installed on the car body 200. As shown in Figure 2, the car door lock 100 includes a lock hook assembly 110, a switch assembly 120 matched with the lock hook assembly 110, the switch assembly 120 is fixed on the car body 200, as shown in Figure 2, Figure 4, and Figure 5, the lock hook assembly 110 It includes a lock hook plate 111, a striker wheel 112, a switch contact plate 113, a mounting plate 114 fixed on the top of the car door 300, a thrust spring one 115, and a thrust spring two 116. The lock hook plate 111 passes through a vertical shaft 117 Installed on the mounting plate 114, so that the lock hook plate 111 can rotate in the horizontal plane, the knocking wheel 112 is installed on the rear end of the lock hook plate 111, and the switch contact plate 113 is rotatably hinged on the lock hook plate 111, The thrust spring one 115 is arranged between the rear end of the lock hook plate 111 and the mounting plate 114 perpendicular to the moving direction of the car door, and the thrust spring two 116 is arranged between the switch contact plate 113 and the lock hook plate 111, and the lock hook plate The front end of 111 is the lock hook end, and the lock hook end is hook-shaped. The front end of the lock hook plate refers to the end close to the switch assembly. When the car door is in the non-leveling area, the car door lock is in the locked state. When the car door is in the leveling area, the striker wheel 112 hits the striker plate 130 on the landing door frame 400, causing the lock hook plate 111 to rotate in the horizontal plane. , so as to achieve unlocking. The lock hook plate 11 rotates in the horizontal plane through the vertical rotating shaft, and realizes the return by the thrust spring 115 arranged vertically to the moving direction of the car door, and its movement will not affect the movement of the car door, thereby eliminating the problem that the car door is easy to push question.

As shown in Figure 2, Figure 4 and Figure 5, the switch assembly 120 includes a lock hook seat 121 matched with the lock hook end, a switch 122 matched with the switch contact plate 113, and a switch 122 for pushing the switch contact plate 113. The rotating push plate 123 , the lock hook seat 121 is fixed on the car body 200 , preferably on the car door guide rail frame 210 , and the push plate 123 and the switch 122 are fixedly installed on the lock hook seat 121 . The switch 122 is fixed on the hook seat 121, so that the problem of loosening and damage of the switch wire is not easy to occur. When the car door lock is in the locked state, the lock hook end of the lock hook plate 111 is buckled on the lock hook seat 121, the switch contact plate 113 is in contact with the contact on the switch 122, the striker wheel 112 is located in front of the strike plate 130, and the lock There is a pre-opening distance h between the hook end and the switch assembly, and the pre-opening distance h is greater than the distance m between the striker wheel and the striker plate; On the strike plate 130 on the landing door frame 400, the lock hook plate 111 is rotated in the horizontal plane, so that the lock hook end is separated from the lock hook seat, and the switch contact plate 113 is rotated by the push plate 123, thereby contacting the contact on the switch 122. Disengage the point to open the car door. When the bumper 112 is no longer against the bumper 130, the thrust spring one 115 makes the lock hook plate 111 return by its own spring force, and when the pusher 123 no longer acts on the switch contact plate 113, the thrust spring two 116 passes through Self spring force makes switch contact plate 113 return. When the car door was turned from open to closed, along with the movement of the car door, the bumper 112 again abuts against the bumper 130, causing the lock hook plate 111 to rotate in the horizontal plane. After the car door is closed, the bumper 112 no longer hits At the strike plate 130, the thrust spring one 115 acts to make the lock hook end of the lock hook plate 111 buckle on the lock hook seat 121, and the thrust spring two 116 acts to make the switch contact plate 113 contact with the contact on the switch 122, and the car door lock locked.

As shown in FIG. 5 , the lock hook assembly 110 also includes a first limit rod 118 and a second limit rod 119 , and the first limit rod 118 is arranged at the front end of the mounting plate 114 for limiting the lock hook plate 111 The second limiting rod 119 is arranged at the front end of the lock hook plate 111 to limit the rotation of the switch contact plate 113 and avoid excessive return of the lock hook plate and the switch contact plate.

The door-opening elevator described in this embodiment, the lock hook plate of the car door lock is installed on the car door by adopting a vertical rotating shaft, and can follow the car door to move, and the lock hook plate rotates in the horizontal plane to realize the lock of the car door lock. It can be stopped or unlocked, and the lock hook plate can be returned by setting the thrust spring one perpendicular to the movement direction of the car door. The elastic force of the thrust spring one acts vertically on the car door, and there will be no force to push the car door open. The phenomenon of the door opening slowly appears, eliminating the problem that the car door is easy to push open, and improving the safety performance of the elevator. The switch of the car door lock is fixedly installed on the hook seat, and will not move with the movement of the hook plate, thereby avoiding fatigue damage to the wires and improving safety.

As shown in Figure 5, a side-opening door type elevator car door lock includes a lock hook assembly 110, a switch assembly 120 matched with the lock hook assembly 110, and the lock hook assembly 120 includes a lock hook plate 111, a striker wheel 112, Switch contact plate 113, thrust spring one 115, thrust spring two 116, mounting plate 114, described locking hook plate 111 is installed on the mounting plate 114 by vertical rotating shaft 117, makes locking hook plate 111 rotate in the horizontal plane, The knocking wheel 112 is mounted on the rear end of the lock hook plate 111, the switch contact plate 113 is rotatably hinged on the lock hook plate 111, and the thrust spring one 115 is arranged on the rear end of the lock hook plate 111 perpendicular to the moving direction of the car door. Between the mounting plate 114, the thrust spring 2 116 is arranged between the switch contact plate 113 and the lock hook plate 111. The front end of the lock hook plate 111 is a lock hook end, and the lock hook end is hook-shaped. The front end of the lock hook plate refers to the end close to the switch assembly. The lock hook plate rotates in the horizontal plane through the vertical shaft to realize locking or unlocking, and returns to its position through the thrust spring set vertically to the movement direction of the car door. The movement of the car door lock with this structure will not affect the movement of the car door. Thereby eliminating the problem that the car door is easy to push open.

The switch assembly 120 includes a lock hook seat 121 matched with the lock hook end, a switch 122 matched with the switch contact plate, a push plate 123 for pushing the switch contact plate to rotate, and the push plate 123 is connected with the switch 122 It is fixedly installed on the lock hook seat 121. The switch is fixed on the lock hook seat, and the problem of loosening and damage of the switch line is not easy to occur. When the car door lock is in the locked state, the end of the lock hook is buckled on the lock hook seat, and the switch contact plate is in contact with the contact on the switch; The strike plate on the door frame makes the lock hook plate rotate in the horizontal plane, so that the lock hook end is separated from the lock hook seat, and the switch contact plate rotates through the push plate, thereby disengaging from the contact on the switch. When the striker is no longer against the striker, the thrust spring one will return the lock hook plate through its own spring force, and when the push plate no longer acts on the switch contact plate, the thrust spring two will make the switch contact through its own spring force Return the board.

The locking hook assembly also includes a first limiting rod 118 and a second limiting rod 119. The first limiting rod 118 is arranged on the front end of the mounting plate 114 to limit the rotation of the locking hook plate 111. The second limiting rod 118 Two limiting rods 119 are arranged at the front end of the lock hook plate 111 to limit the rotation of the switch contact plate 113 and prevent excessive return of the lock hook plate and the switch contact plate.

The lock hook plate of the above-mentioned side door type elevator car door lock can be rotated in the horizontal plane by adopting a vertical rotating shaft to be installed on the mounting plate 114, thereby realizing the locking or unlocking of the car door lock, and by setting the vertical axis of the car door movement direction. As soon as the thrust spring returns the lock hook plate, the elastic force of thrust spring 1 can act on the car door vertically, without generating force to push the car door open, so as to avoid the phenomenon that the car door opens slowly during operation, except that the car door is easy to push For the problem of opening, the switch is fixedly installed on the hook seat, and will not move with the action of the hook plate, so as to avoid fatigue damage to the wire and provide higher safety.

The above-mentioned embodiments only express the specific implementation manner of the present invention, and the description thereof is relatively specific and detailed, but should not be construed as limiting the patent scope of the present invention. It should be pointed out that those skilled in the art can make several modifications and improvements without departing from the concept of the present invention, and these all belong to the protection scope of the present invention.

Claims (6)

1. a side opening door formula elevator, comprise gate lock, car body, be arranged on the gate in car body, it is characterized in that, described gate lock comprises lock hook assembly, the control group matching with lock hook assembly, described control group is fixed in car body, described lock hook assembly comprises lock crook plate, hit wheel, switch contact plate, be fixedly arranged on the adapter plate on gate top, thrust spring one, thrust spring two, described lock crook plate is installed on adapter plate by vertical rotating shaft, lock crook plate can be rotated in horizontal surface, the described wheel that hits is arranged on lock crook plate rear end, described switch contact plate is hinged on lock crook plate rotationally, the vertical gate sense of motion of this thrust spring one is arranged between lock crook plate rear end and adapter plate, this thrust spring two is arranged between switch contact plate and lock crook plate, the front end of described lock crook plate is latch hook end, this latch hook end is hook-shaped.

2. side opening door formula elevator according to claim 1, it is characterized in that, described control group comprises the lock hook seat matching with latch hook end, the switch matching with switch contact plate, push pedal for the rotation of pull switch contact board, described lock hook seat is fixed in car body, and described push pedal and switch are fixedly mounted on lock hook seat.

3. according to the side opening door formula elevator described in claim 1～2 any one, it is characterized in that, lock hook assembly also comprises the first position-limited lever, the second position-limited lever, described the first position-limited lever is arranged on adapter plate front end, for the rotation of limitation lock hook plate, described the second position-limited lever is arranged on the front end of lock crook plate, for the rotation of limit switch contact board.

4. a side opening door formula elevator cage door lock, it is characterized in that, comprise lock hook assembly, the control group matching with lock hook assembly, described lock hook assembly comprises lock crook plate, hit wheel, switch contact plate, thrust spring one, thrust spring two, adapter plate, described lock crook plate is installed on adapter plate by vertical rotating shaft, lock crook plate can be rotated in horizontal surface, the described wheel that hits is arranged on lock crook plate rear end, described switch contact plate is hinged on lock crook plate rotationally, the vertical gate sense of motion of this thrust spring one is arranged between lock crook plate rear end and adapter plate, this thrust spring two is arranged between switch contact plate and lock crook plate, the front end of described lock crook plate is latch hook end, this latch hook end is hook-shaped.

5. side opening door formula elevator cage door lock according to claim 4, it is characterized in that, described control group comprises the lock hook seat matching with latch hook end, the switch matching with switch contact plate, push pedal for the rotation of pull switch contact board, and described push pedal and switch are fixedly mounted on lock hook seat.

6. according to the side opening door formula elevator cage door lock described in claim 4～5 any one, it is characterized in that, described lock hook assembly also comprises the first position-limited lever, the second position-limited lever, described the first position-limited lever is arranged on adapter plate front end, for the rotation of limitation lock hook plate, described the second position-limited lever is arranged on the front end of lock crook plate, for the rotation of limit switch contact board.