CN220596758U - Door lock device - Google Patents

Abstract

The utility model relates to the technical field of lifting equipment, and provides a door lock device, which is applied to a lift car of the lifting equipment and comprises: a bolt; the door lock mechanism comprises a lock bolt, a detection switch, a trigger plate, a guide piece and a first elastic piece, wherein one end of the lock bolt is arranged on a moving path of the lock bolt, the trigger plate penetrates through the guide piece and is suitable for moving along the guide piece, the first elastic piece is arranged between the guide piece and the trigger plate, and the detection switch is electrically connected with a control loop of lifting equipment; in the locking state, the lock tongue is locked on the lock bolt, the lock tongue pushes the trigger plate to be far away from the detection switch, the trigger plate extrudes the first elastic piece and releases the trigger detection switch, and a control loop of the lifting equipment is communicated; in the unlocking state, the lock bolt is unlocked, the elastic restoring force of the first elastic piece pushes the trigger plate to trigger the detection switch to act, and therefore the control loop of the lifting equipment is cut off. The door lock device provided by the utility model can improve the safety of workers when riding lifting equipment.

Description

Door lock device

Technical Field

The utility model relates to the technical field of lifting equipment, in particular to a door lock device.

Background

If the door lock of the elevator car fails to close during operation of the elevator, it is likely that the car door will open suddenly during operation of the elevator, which could jeopardize the safety of the personnel riding the elevator. For safety reasons, it is therefore required that the car door must not be opened during operation of the lifting device.

However, in the existing elevator apparatus, the elevator apparatus can be operated up and down when the car door lock is not closed, which threatens the safety of the workers riding the elevator apparatus.

Disclosure of Invention

The utility model provides a door lock device, which can cut off a control loop of lifting equipment when the door lock device is not closed so as to prevent the lifting equipment from running, thereby avoiding the opening of a car door in the running process of the lifting equipment and improving the safety of workers when the workers ride the lifting equipment.

The door lock device provided by the utility model is applied to a lift car of lifting equipment, and comprises:

a bolt;

the door lock mechanism comprises a lock bolt, a detection switch, a trigger plate, a guide piece and a first elastic piece, wherein one end of the lock bolt is arranged on a moving path of the lock bolt, the trigger plate penetrates through the guide piece and is suitable for moving along the guide piece, the first elastic piece is arranged between the guide piece and the trigger plate, and the detection switch is electrically connected with a control loop of the lifting equipment;

the door lock mechanism has a locked state and an unlocked state; in the locking state, the lock tongue is locked on the lock plunger, the lock tongue pushes the trigger plate to be far away from the detection switch, and the trigger plate extrudes the first elastic piece and releases triggering of the detection switch, so that a control loop of the lifting equipment is communicated; in the unlocking state, the lock bolt is unlocked by the lock bolt, and the elastic restoring force of the first elastic piece pushes the trigger plate to trigger the detection switch to act so as to cut off a control loop of the lifting equipment.

Optionally, the door lock mechanism further comprises a support body;

the support main body is provided with a containing cavity and a lock hole, the lock plunger, the detection switch, the trigger plate, the guide piece and the first elastic piece are arranged in the containing cavity, the guide piece penetrates through the trigger plate to be connected with the support main body, and the lock plunger is movably connected with the support main body;

in the locking state, the lock tongue is inserted into the lock hole and locked to the lock bolt; in the unlocking state, the lock tongue is separated from the lock hole.

Optionally, the support main body is provided with the fixed axle, the one end of trigger plate is provided with the shaft hole, the shaft hole cover of trigger plate is located the fixed axle, so that the trigger plate rotatable connect in the support main body.

Optionally, the supporting main body is further provided with a first guiding hole, one end of the lock bolt is provided with a handle, the other end of the lock bolt is provided with a wedge-shaped inclined plane, and one end of the wedge-shaped inclined plane of the lock bolt penetrates through the first guiding hole;

and in the process of inserting the lock tongue into the lock hole, the lock tongue abuts against the wedge-shaped inclined plane to push the lock tongue to retract into the first guide hole.

Optionally, the support main body is further provided with a second guide hole, and one end of the handle of the lock bolt penetrates through the second guide hole to extend out of the support main body.

Optionally, the door lock mechanism further comprises a second elastic member;

the second elastic piece is clamped between the lock bolt and the supporting main body, and the lock bolt extrudes the second elastic piece to elastically deform in the process that the lock bolt pushes the lock bolt to retract into the first guide hole; after the lock tongue is out of contact with the lock bolt, the elastic restoring force of the second elastic piece pushes the lock bolt to extend out of the first guide hole.

The above-described one or more embodiments of the present utility model have at least the following advantageous effects:

according to the door lock device provided by the utility model, the door lock mechanism can cut off the control loop of the lifting equipment in the unlocking state, so that the upgrading equipment cannot operate, and the lifting equipment cannot operate under the condition that the lifting equipment car door is opened, thereby avoiding danger caused by the fact that the lifting equipment car door is not closed when a worker rides the lifting equipment.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.

Drawings

In order to more clearly illustrate the utility model or the technical solutions of the prior art, the following description will briefly explain the drawings used in the embodiments or the description of the prior art, and it is obvious that the drawings in the following description are some embodiments of the utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic structural view of a door lock device provided by the present utility model;

fig. 2 is a sectional view of a door lock mechanism in the door lock device provided by the present utility model;

fig. 3 is a schematic view showing a partial structure of a door lock mechanism in a locked state in the door lock device according to the present utility model;

fig. 4 is a schematic view showing a partial structure of a door lock mechanism in an unlocked state in the door lock device according to the present utility model;

fig. 5 is a schematic structural view of a support body in the door lock device according to the present utility model.

Reference numerals:

1. a door lock device;

100. a door lock mechanism; 101. a lock bolt; 1011. a limiting pin; 1012. a handle; 1013. wedge-shaped inclined planes; 102. a detection switch; 103. a trigger plate; 104. a guide member; 105. a first elastic member; 106. a support body; 1061. a receiving chamber; 1062. a lock hole; 1063. a fixed shaft; 1064. a first guide hole; 1065. a second guide hole; 107. a second elastic member;

200. and a lock tongue.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the present utility model more apparent, the technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings, and it is apparent that the described embodiments are some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the embodiments of the present application, it should be noted that, unless explicitly specified and limited otherwise, the terms "connected," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the terms in the embodiments of the present application will be understood by those of ordinary skill in the art in a specific context.

In the examples herein, a first feature "on" or "under" a second feature may be either the first and second features in direct contact, or the first and second features in indirect contact via an intermediary, unless expressly stated and defined otherwise. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.

In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the embodiments of the present application. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.

Embodiments of the present utility model are described below with reference to fig. 1 to 5. It should be understood that the following description is only illustrative of embodiments of the utility model and is not intended to limit the utility model in any way.

The utility model provides a door lock device for improving safety of workers riding lifting equipment. The door lock device provided by the utility model is described below.

The door lock device 1 provided by the utility model is applied to a car of lifting equipment, and the lifting equipment can be, for example, a lifter applied to a tower of a wind driven generator, an industrial elevator and the like. As shown in fig. 1, the door lock device 1 includes a door lock mechanism 100 and a lock tongue 200. One of the door lock mechanism 100 and the lock tongue 200 is attached to a car door of an elevator car, and the other is attached to a car door frame, and the door lock mechanism 100 can be inserted to close the door lock device 1, that is, the car door can be closed.

As shown in fig. 2, the door lock mechanism 100 includes a lock plunger 101, a detection switch 102, a trigger plate 103, a guide 104, and a first elastic member 105. One end of the lock bolt 101 is provided on a moving path of the lock bolt 200, and the lock bolt 101 can lock the lock bolt 200 when the lock bolt 200 is inserted into the door lock mechanism 100 to move to the lock bolt 101. The trigger plate 103 is arranged through the guide member 104, and is adapted to move along the guide member 104, and the first elastic member 105 is arranged between the guide member 104 and the trigger plate 103. The detection switch 102 is electrically connected with the control circuit of the lifting device, and when the detection switch 102 is triggered to operate, the control circuit of the lifting device can be cut off, so that the lifting device cannot operate.

The door lock mechanism 100 has a locked state and an unlocked state. As shown in fig. 3, in the locked state, the lock tongue 200 is inserted into the door lock mechanism 100 to lock to the lock plunger 101, and the lock tongue 200 can push the trigger plate 103 to move, so that the trigger plate 103 is far away from the detection switch 102, thereby releasing the trigger detection switch 102, and the control circuit of the lifting device is communicated, so that the door lock device 1 is closed, the car door is closed, and the lifting device can lift. When the trigger plate 103 moves in a direction away from the detection switch 102, the trigger plate 103 can press the first elastic member 105 to elastically deform.

As shown in fig. 4, in the unlocked state, that is, when the operator opens the door lock device 1, the lock plunger 101 releases the locking tongue 200, and the elastic restoring force of the first elastic member 105 can push the trigger plate 103 to move in the direction of the detection switch 102, so as to trigger the detection switch 102 to act to cut off the control circuit of the lifting device, so that the lifting device cannot operate. Meanwhile, the elastic restoring force of the first elastic member 105 pushes the trigger plate 103, and the trigger plate 103 can push the lock tongue 200 to be separated from the door lock mechanism 100, so that the door is opened. In this way, the lifting device cannot be operated when the operator opens the car door, thereby avoiding danger when the operator gets on the lifting device because the car door is not closed.

The first elastic member 105 may be an elastic member such as a compression spring or a rubber column, and the first elastic member 105 may be sleeved on the guide member 104. The detection switch 102 may be a proximity switch, a micro switch, or the like, and is not particularly limited herein.

In some embodiments, the locking bolt 200 may be a plate-like structure with holes, and in the locked state, the locking bolt 101 may extend into the holes in the locking bolt 200, thereby locking the locking bolt 200.

As shown in fig. 2, in some embodiments of the present utility model, the door lock mechanism 100 further includes a support body 106. The support body 106 is provided with a receiving chamber 1061 and a locking hole 1062, and the latch 101, the detection switch 102, the trigger plate 103, the guide 104, and the first elastic member 105 are disposed in the receiving chamber 1061. The guide 104 is connected to the support body 106 through the trigger plate 103, and the latch 101 is movably connected to the support body 106.

The locking hole 1062 communicates with the receiving chamber 1061. In the locked state, the locking tongue 200 is inserted into the locking hole 1062 and locked to the lock plunger 101, thereby locking the car door. In the unlocked state, the elastic restoring force of the first elastic member 105 can push the lock tongue 200 to be separated from the lock hole 1062, so as to realize door opening.

In some embodiments, the guide 104 may be a bolt, the support body 106 may be provided with a screw hole, and the guide 104 may be screwed with the support body 106, thereby facilitating the disassembly and maintenance of the guide 104, the first elastic member 105, and the trigger plate 103.

In some embodiments of the present utility model, as shown in fig. 5, the support body 106 is provided with a fixing shaft 1063, and one end of the trigger plate 103 is provided with a shaft hole (not shown in the drawings), and the shaft hole of the trigger plate 103 is sleeved on the fixing shaft 1063, so that the trigger plate 103 is rotatably connected to the support body 106. Thus, during insertion of the lock tongue 200 into the lock hole 1062, the lock tongue 200 may push the trigger plate 103 to rotate around the fixed shaft 1063, so that the trigger plate 103 is far away from the detection switch 102. In the unlocked state, the elastic restoring force of the first elastic member 105 can push the trigger plate 103 to rotate around the fixed shaft 1063, so that the trigger plate 103 approaches and triggers the detection switch 102.

As shown in fig. 2 to 5, in some embodiments of the present utility model, the support body 106 is further provided with a first guide hole 1064, one end of the latch 101 is provided with a handle 1012, the other end is provided with a wedge-shaped slope 1013, and one end of the wedge-shaped slope 1013 of the latch 101 passes through the first guide hole 1064 and is adapted to move along the first guide hole 1064.

During insertion of the locking tongue 200 into the locking hole 1062, i.e., during closing of the car door, the locking tongue 200 can abut against the wedge-shaped ramp 1013, thereby pushing the locking tongue 1013 into the first guide hole 1064. When the latch tongue 200 is out of contact with the wedge-shaped slope 1013, the latch 1013 may protrude out of the guide hole 1064 under its own weight. For example, when one end of the wedge-shaped ramp 1013 of the lock plunger 101 is aligned with a hole in the lock tongue 200, the lock plunger 1013 may extend out of the guide hole 1064 and be inserted into the hole in the lock tongue 200, thereby locking the lock tongue 200.

As shown in fig. 2-5, in some embodiments of the utility model, the support body 106 is further provided with a second guide hole 1065 through which one end of the handle 1012 of the latch 1031 extends out of the support body 106. Thus, when a worker needs to open the car door, the handle 1012 can be pulled to release the lock tongue 200 from the lock 1013, and the elastic restoring force of the first elastic member 105 can push the lock tongue 200 out of the lock hole 1062, thereby realizing the door opening.

As shown in fig. 2-5, in some embodiments of the present utility model, the door latch mechanism 100 further includes a second resilient member 107.

Specifically, the second elastic member 107 is disposed between the latch 101 and the support body 106, and the latch 101 can be elastically deformed by pressing the second elastic member 107 during the process of pushing the latch 101 into the first guide hole 1064 by the latch 200 or during the process of pulling the handle 1012 by a worker.

In one embodiment, the lock plunger 101 may be provided with a limit pin 1011, and the limit pin 1011 may prevent the lock plunger 101 from extending into the first guide hole 1064 too long to align the wedge-shaped slope 1013 with the lock tongue 200. In this case, the second elastic member 107 may be sleeved on the lock pin 101, and one end thereof abuts against the limit pin 1011 and the other end thereof abuts against the support body 106.

After the latch tongue 200 is out of contact with the latch 101, the elastic restoring force of the second elastic member 107 can push the latch 101 to protrude out of the first guide hole 1064. For example, when one end of the wedge-shaped slope 1013 of the latch 101 is aligned with the hole of the latch 200 during the insertion of the latch 200 into the lock hole 1062, the elastic restoring force of the second elastic member 107 can push the latch 1013 out of the guide hole 1064 and into the hole of the latch 200, thereby locking the latch 200.

It should be noted that, the technical solutions in the embodiments of the present utility model may be combined with each other, but the basis of the combination is based on the fact that those skilled in the art can realize the combination; when the combination of the technical solutions contradicts or cannot be realized, it should be considered that the combination of the technical solutions does not exist, i.e. does not fall within the scope of protection of the present utility model.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model.

Claims (6)

1. A door lock device, characterized by being applied to a car of a lifting apparatus, comprising:

a bolt;

the door lock mechanism comprises a lock bolt, a detection switch, a trigger plate, a guide piece and a first elastic piece, wherein one end of the lock bolt is arranged on a moving path of the lock bolt, the trigger plate penetrates through the guide piece and is suitable for moving along the guide piece, the first elastic piece is arranged between the guide piece and the trigger plate, and the detection switch is electrically connected with a control loop of the lifting equipment;

the door lock mechanism has a locked state and an unlocked state; in the locking state, the lock tongue is locked on the lock plunger, the lock tongue pushes the trigger plate to be far away from the detection switch, and the trigger plate extrudes the first elastic piece and releases triggering of the detection switch, so that a control loop of the lifting equipment is communicated; in the unlocking state, the lock bolt is unlocked by the lock bolt, and the elastic restoring force of the first elastic piece pushes the trigger plate to trigger the detection switch to act so as to cut off a control loop of the lifting equipment.

2. The door lock apparatus according to claim 1, wherein the door lock mechanism further comprises a support main;

the support main body is provided with a containing cavity and a lock hole, the lock plunger, the detection switch, the trigger plate, the guide piece and the first elastic piece are arranged in the containing cavity, the guide piece penetrates through the trigger plate to be connected with the support main body, and the lock plunger is movably connected with the support main body;

in the locking state, the lock tongue is inserted into the lock hole and locked to the lock bolt; in the unlocking state, the lock tongue is separated from the lock hole.

3. The door lock device according to claim 2, wherein the supporting body is provided with a fixing shaft, one end of the trigger plate is provided with a shaft hole, and the shaft hole of the trigger plate is sleeved on the fixing shaft, so that the trigger plate is rotatably connected to the supporting body.

4. The door lock apparatus according to claim 2, wherein the support body is further provided with a first guide hole, one end of the latch is provided with a handle, the other end is provided with a wedge-shaped inclined surface, and one end of the wedge-shaped inclined surface of the latch passes through the first guide hole;

and in the process of inserting the lock tongue into the lock hole, the lock tongue abuts against the wedge-shaped inclined plane to push the lock tongue to retract into the first guide hole.

5. The door lock apparatus according to claim 4, wherein the support body is further provided with a second guide hole, and one end of the handle of the lock bolt protrudes out of the support body through the second guide hole.

6. The door lock apparatus according to claim 4, wherein the door lock mechanism further includes a second elastic member;

the second elastic piece is clamped between the lock bolt and the supporting main body, and the lock bolt extrudes the second elastic piece to elastically deform in the process that the lock bolt pushes the lock bolt to retract into the first guide hole; after the lock tongue is out of contact with the lock bolt, the elastic restoring force of the second elastic piece pushes the lock bolt to extend out of the first guide hole.