CN214403112U

CN214403112U - Subway down-pressing type modular push rod emergency door lock

Info

Publication number: CN214403112U
Application number: CN202022676476.0U
Authority: CN
Inventors: 刘通; 郭天宝; 刘文亮; 刘炳辰
Original assignee: Tianjin Yingruisi Technology Co Ltd
Current assignee: Tianjin Yingruisi Technology Co Ltd
Priority date: 2020-11-18
Filing date: 2020-11-18
Publication date: 2021-10-15
Anticipated expiration: 2030-11-18

Abstract

The utility model discloses an emergent lock of subway lower pressure formula modularization push bar among the emergent lock technical field of subway, including locking subassembly, lower lock subassembly and unblock subassembly etc. be provided with the recess on the spring bolt, move the in-process to the recess direction that corresponds when the spring bolt, can correspond with the trigger piece when the recess, trigger the piece and can make the spring bolt card in the recess forward under the effect of second reset torsion spring, the spring bolt lock is dead this moment, opens the shield door. When the shielding door is closed, the trigger piece overcomes the torsion force and the friction force of the second reset torsion spring to return to the original position under the action of external force, and when the trigger piece pops out of the groove, the spring bolt stretches out and rebounds to the original position by means of the elastic force of the first reset spring. Can realize respectively through push rod subassembly and tapered end subassembly that push rod unblock and key unblock, the two mutual noninterference, subway push rod down type modularization emergency door lock whole tool to lock part modularization degree is high, and is lower to door body machining precision requirement, and the installation is simple, and the reliability is good simultaneously, and push rod subassembly pretightning force is easily controlled.

Description

Subway down-pressing type modular push rod emergency door lock

Technical Field

The utility model relates to an emergent lock technical field of subway, concrete field is a subway push bar emergency door lock of down pressure formula modularization.

Background

With the continuous development of national economy, the construction of rail transit, especially subways, is widely developed, and many major cities develop the construction of subways. In order to ensure the safety of passengers, a shielding door system is additionally arranged beside a platform of a subway track to separate the platform from the track, so that the passengers on the platform are prevented from being injured due to careless or crowded falling into the track, and the normal operation of a train is further influenced. The subway emergency door is mainly designed for guaranteeing the safety of personnel, and when a train has an accident and the train cannot be accurately aligned with the sliding door, at least one emergency door can be aligned with the train door to evacuate passengers. In order to rapidly evacuate passengers on the track side and ensure personnel safety in the event of a subway fault or emergency, it is necessary that the passengers on the track side can manually unlock the emergency door without using a key or other tools. And the staff at the station side can open the emergency door to evacuate passengers or enter the subway carriage for maintenance in the event of a subway fault or emergency by using the special key. Therefore, the emergency door has an indispensable role for the subway platform screen door system.

The subway shield door is divided into a half-height door and a full-height door, and the existing full-height door emergency door lock generally adopts a mechanism mode of up-down world escape locking, namely an upper pull rod and a lower pull rod are arranged, and the emergency door can be locked up and down simultaneously through the structure of the upper pull rod and the lower pull rod. When the emergency door is unlocked, the opposite directions of the upper pull rod and the lower pull rod move simultaneously, the upper pull rod is separated from the lock hole of the lintel, the lower pull rod is separated from the lock hole of the sill, and the emergency door is opened.

The existing emergency door lock mainly has the following technical defects:

1. the pre-tightening force of the pushing rod is not easy to control.

2. The whole lockset parts have high degree of bulk, higher requirement on the processing precision of the door body and difficult installation.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a subway push down formula modularization pushes away emergent lock of thick stick to solve the problem of mentioning in the background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an emergent lock of push rod of formula modularization under subway, is including locking the subassembly, locking the subassembly down and unblock subassembly, it is connected through last connecting rod between subassembly and the unblock subassembly to lock, lock the subassembly down with be connected through lower connecting rod between the unblock subassembly, be connected with push rod subassembly and tapered end subassembly on the unblock subassembly.

Preferably, the subassembly of locking includes first shell, the inside symmetry of first shell installs the end cover, two run through on the end cover and be provided with the spring bolt, the lateral wall of spring bolt just is located two be provided with first reset spring between the end cover, one of them be connected with the trigger piece through first back shaft on the lateral wall of end cover, be provided with second reset torsion spring on the trigger piece, the subassembly of locking with the structure of locking the subassembly down is the same.

Preferably, the unlocking assembly comprises a second shell, guide blocks are symmetrically arranged in the second shell, and an upper pull rod and a lower pull rod penetrate through the guide blocks respectively.

Preferably, the pushing bar assembly comprises a second supporting shaft, a transfer piece is sleeved on the second supporting shaft, a pushing bar cam is installed on the side, located on the transfer piece, of the second supporting shaft, and a pushing bar is connected to the end of the second supporting shaft through a bolt.

Preferably, the lock cylinder assembly includes a lock cylinder liner provided with a cylinder cam.

Preferably, the middle rotating piece is connected with the upper pull rod and the lower pull rod.

Preferably, the cylinder cam is connected to the upper and lower tie rods.

Preferably, the upper end of the upper connecting rod is fixed with the locking assembly through a pin shaft with a hole and a cotter pin, and the lower end of the upper connecting rod is fixed with the unlocking assembly through double nuts; the lower end of the lower connecting rod is fixed with the lower lock assembly through a pin shaft with a hole and a cotter pin, and the upper end of the lower connecting rod is fixed with the unlocking assembly through double nuts.

Preferably, the lock tongue is provided with a groove.

Preferably, the cylinder cam is fixed using a split retaining ring.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model provides a subway push down formula modularization pushes away emergent lock of thick stick, push away the thick stick cam and be rotary motion under the effect of pushing away the thick stick to the drive the gyration is done to well rotor plate drive under the effect of well rotor plate the upward movement is done to the pull rod, drives the upward movement is done to the lower pull rod, thereby realizes the downside the stretching out and the withdrawal of spring bolt. The lock core cam rotates under the action of a key, so that the upper pull rod is driven to move downwards, the lower pull rod is driven to move upwards, and the bolt on the upper side and the bolt on the lower side are extended and retracted. Be provided with the recess on the spring bolt, work as the spring bolt is to corresponding the recess direction removes the in-process, work as the recess can with it corresponds to trigger the piece, trigger the piece and can be in the effect of second reset torsion spring is played forward and is made the spring bolt card in the recess, at this moment the spring bolt lock is dead, opens the shield door. When closing the shield door, trigger the piece and under the exogenic action, overcome second reset torsion spring torsion and frictional force return to the normal position, trigger the piece and pop out during the recess, rely on first reset spring's elasticity, the spring bolt stretches out the resilience normal position. Through push rod subassembly with the tapered end subassembly can realize respectively that push rod unblock and key unblock, and the two mutual noninterference, subway push rod down type modularization push rod emergency door lock whole tool to lock part modularization degree is high, and is lower to door body machining precision requirement, and the installation is simple, and the reliability is good simultaneously, push rod subassembly pretightning force is easily controlled.

Drawings

FIG. 1 is an exploded view of the main structure of the present invention;

FIG. 2 is an exploded view of the lock assembly of the present invention;

FIG. 3 is an exploded view of the unlocking assembly and the locking head assembly of the present invention;

fig. 4 is an exploded view of the push rod assembly of the present invention.

In the figure: 1-locking component, 2-lower locking component, 3-unlocking component, 4-upper connecting rod, 5-lower connecting rod, 6-pushing rod component, 7-locking head component, 8-first shell, 9-end cover, 10-locking tongue, 11-first reset spring, 12-first supporting shaft, 13-trigger piece, 14-second reset torsion spring, 15-second shell, 16-guide block, 17-upper pull rod, 18-lower pull rod, 19-second supporting shaft, 20-middle rotating piece, 21-pushing rod cam, 22-bolt, 23-pushing rod, 24-locking head bush and 25-cam lock core.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in 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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The description of the directions (up, down, left, right, front, and back) is made with reference to the structure shown in fig. 1 of the drawings attached to the specification, but the practical direction of the present invention is not limited thereto.

Example (b):

referring to fig. 1-4, the present invention provides a technical solution: the utility model provides a subway is pressure formula modularization push bar emergency door lock down, is including locking subassembly 1, lower lock subassembly 2 and unblock subassembly 3, it is connected through last connecting rod 4 between subassembly 1 and the unblock subassembly 3 to lock, lower lock subassembly 2 with be connected through lower connecting rod 5 between the unblock subassembly 3, be connected with push bar subassembly 6 and tapered end subassembly 7 on the unblock subassembly 3, through push bar subassembly 6 with tapered end subassembly 7 can realize respectively that the push bar unlocks and the key unblock, the two mutually noninterfere, subway is pressure formula modularization push bar emergency door lock whole tool to lock part modularization degree height down, and is lower to door body machining precision requirement, and the installation is simple, and the reliability is good simultaneously, push bar subassembly 6 pretightning force is easily controlled.

Specifically, the locking assembly 1 includes a first housing 8, the first housing 8 is used for loading other components therein, end covers 9 are symmetrically installed in the interior of the first housing 8, two lock tongues 10 are penetratingly provided on the end covers 9, the lock tongues 10 can move up and down on the end covers 9 under the action of external force, the outer side wall of the lock tongues 10 is positioned between the two end covers 9, a first reset spring 11 is provided between the two end covers 9, the lock tongues 10 can automatically reset under the action force of the first reset spring 11, one of the side walls of the end covers 9 is connected with a trigger piece 13 through a first support shaft 12, a second reset torsion spring 14 is provided on the trigger piece 13, the trigger piece 13 can linearly displace on the first support shaft 12 under the action of external force, and automatically reset under the action force of the second reset torsion spring 14, therefore, the lock tongue 10 is locked and released to realize the opening and closing of the door, and the upper lock assembly 1 and the lower lock assembly 2 have the same structure and the same working principle.

Specifically, the unlocking assembly 3 comprises a second shell 15, guide blocks 16 are symmetrically installed inside the second shell 15, two guide blocks 16 are respectively provided with an upper pull rod 17 and a lower pull rod 18 in a penetrating mode, the second shell 15 is used for loading other components inside the second shell, the guide blocks 16 are right to guide the movement track of the upper pull rod 17 and the motion track of the lower pull rod 18, and the accuracy of the telescopic movement of the upper pull rod 17 and the lower pull rod 18 is guaranteed.

Particularly, push away thick stick subassembly 6 includes second back shaft 19, the cover is equipped with well rotor 20 on the second back shaft 19, on the second back shaft 19 and be located push away thick stick cam 21 is installed to the upside of well rotor 20, the end department of second back shaft 19 is connected with through bolt 22 and pushes away thick stick 23, push away thick stick cam 21 is in rotary motion is done under the effect of push away thick stick 23, thereby drive well rotor 20 is rotary motion drive under the effect of well rotor 20 drive go up pull rod 17 and do downstream, drive pull rod 18 is upward movement, thereby realize the downside the stretching out and retracting of spring bolt 10.

Specifically, the lock head assembly 7 includes a lock head bushing 24, a lock cylinder cam 25 is disposed on one side of the lock head bushing 24, and the lock cylinder cam 25 rotates under the action of a key to drive the upper pull rod 17 to move downward and the lower pull rod 18 to move upward, so as to extend and retract the lock tongue 10.

Specifically, the middle rotor 20 is connected to the upper pull rod 17 and the lower pull rod 18, the push rod cam 21 performs a rotary motion under the action of the push rod 23, so as to drive the middle rotor 20 to perform a rotary motion, and the middle rotor 20 drives the upper pull rod 17 to perform a downward motion, so as to drive the lower pull rod 18 to perform an upward motion, so as to realize the extension and retraction of the lock tongue 10 on the upper side and the lower side.

Specifically, the lock cylinder cam 25 is connected with the upper pull rod 17 and the lower pull rod 18, and the lock cylinder cam 25 rotates under the action of a key to drive the upper pull rod 17 to move downwards and the lower pull rod 18 to move upwards, so that the bolt 10 on the upper side and the bolt on the lower side can be extended and retracted.

Specifically, the upper end of the upper connecting rod 4 is fixed with the locking assembly 1 through a pin shaft with a hole and a cotter pin, and the lower end of the upper connecting rod 4 is fixed with the unlocking assembly 3 through double nuts; the lower end of the lower connecting rod 5 is fixed with the lower lock component 2 through a pin shaft with a hole and a cotter pin, and the upper end of the lower connecting rod 5 is fixed with the unlocking component 3 through double nuts.

Specifically, be provided with the recess on the spring bolt 10, work as the spring bolt 10 is to corresponding the recess direction removes the in-process, work as the recess can with trigger piece 13 is corresponding, trigger piece 13 can be in the effect of second reset torsion spring 14 makes to bounce forward under the spring bolt 10 card in the recess, at this moment the spring bolt 10 is dead, opens the shielded door. When closing the shield door, trigger piece 13 overcomes under the exogenic action second reset torsion spring 14 torsion and frictional force return to the normal position, trigger piece 13 pops out during the recess, rely on first reset spring 11's elasticity, spring bolt 10 stretches out the resilience normal position.

Specifically, the cylinder cam 25 is fixed using a split retainer.

The working principle is as follows: the push rod assembly 6 comprises a second support shaft 19, a middle rotating piece 20 is sleeved on the second support shaft 19, a push rod cam 21 is arranged on the second support shaft 19 and located on the upper side of the middle rotating piece 20, a push rod 23 is connected to the end of the second support shaft 19 through a bolt 22, the push rod cam 21 is in rotary motion under the action of the push rod 23, so that the middle rotating piece 20 is driven to do rotary motion, the upper pull rod 17 is driven to do downward motion under the action of the middle rotating piece 20, and the lower pull rod 18 is driven to do upward motion, so that the upper side and the lower side are realized, and the lock tongue 10 is extended and retracted. The lock head assembly 7 comprises a lock head bush 24, a lock core cam 25 is arranged on one side of the lock head bush 24, and the lock core cam 25 rotates under the action of a key, so that the upper pull rod 17 is driven to move downwards, the lower pull rod 18 is driven to move upwards, and the extension and retraction of the lock tongue 10 on the upper side and the lower side are realized. Be provided with the recess on the spring bolt 10, work as the spring bolt 10 is to corresponding the recess direction removes the in-process, work as the recess can with trigger piece 13 is corresponding, trigger piece 13 can be in the effect of second reset torsion spring 14 makes forward the bullet make spring bolt 10 block in the recess, at this moment the spring bolt 10 deadly locks, opens the shield door. When closing the shield door, trigger piece 13 overcomes under the exogenic action second reset torsion spring 14 torsion and frictional force return to the normal position, trigger piece 13 pops out during the recess, rely on first reset spring 11's elasticity, spring bolt 10 stretches out the resilience normal position. Through push rod subassembly 6 with tapered end subassembly 7 can realize respectively that push rod unblock and key unblock, the two mutual noninterference, subway push rod down type modularization push rod emergency door lock whole tool to lock part modularization degree is high, and is lower to door body machining precision requirement, and the installation is simple, and the reliability is good simultaneously, push rod subassembly 6 pretightning force is easily controlled.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "disposed," "mounted," "connected," and "fixed" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The utility model discloses the standard part that uses all can purchase from the market, and dysmorphism piece all can be customized according to the description of description and drawing, and the concrete connection mode of each component all adopts ripe concrete placement conventional means among the prior art, no longer details here.

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 an emergent lock of subway push bar of formula of pushing down modularization, is including locking subassembly (1), locking subassembly (2) and unblock subassembly (3) down, its characterized in that: the locking assembly (1) and the unlocking assembly (3) are connected through an upper connecting rod (4), the lower locking assembly (2) and the unlocking assembly (3) are connected through a lower connecting rod (5), and a push rod assembly (6) and a lock head assembly (7) are connected to the unlocking assembly (3).

2. The subway under-pressure type modular push rod emergency door lock according to claim 1, wherein: the locking assembly (1) comprises a first shell (8), end covers (9) are symmetrically arranged inside the first shell (8), two bolt (10) penetrate through the end covers (9), the outer side wall of the bolt (10) is located between the two end covers (9), a first reset spring (11) is arranged between the two end covers (9), one of the bolt and the outer side wall of the end covers (9) is connected with a trigger piece (13) through a first support shaft (12), a second reset torsion spring (14) is arranged on the trigger piece (13), and the locking assembly (1) is identical with the lower locking assembly (2) in structure.

3. The subway under-pressure type modular push rod emergency door lock according to claim 1, wherein: the unlocking assembly (3) comprises a second shell (15), guide blocks (16) are symmetrically arranged inside the second shell (15), and an upper pull rod (17) and a lower pull rod (18) are respectively arranged on the guide blocks (16) in a penetrating mode.

4. The subway under-pressure type modular push rod emergency door lock according to claim 3, wherein: push away thick stick subassembly (6) includes second back shaft (19), the cover is equipped with transfer piece (20) on second back shaft (19), just be located on second back shaft (19) the push away thick stick cam (21) are installed to the upside of transfer piece (20), the end department of second back shaft (19) is connected with push away thick stick (23) through bolt (22).

5. The subway under-pressure type modular push rod emergency door lock according to claim 3, wherein: the lock head assembly (7) comprises a lock head bushing (24), and a lock core cam (25) is arranged on one side of the lock head bushing (24).

6. The subway under-pressure type modular push rod emergency door lock according to claim 4, wherein: the middle rotating piece (20) is connected with the upper pull rod (17) and the lower pull rod (18).

7. The subway under-pressure type modular push rod emergency door lock according to claim 5, wherein: the lock cylinder cam (25) is connected with the upper pull rod (17) and the lower pull rod (18).

8. The subway under-pressure type modular push rod emergency door lock according to claim 1, wherein: the upper end of the upper connecting rod (4) is fixed with the locking assembly (1) through a pin shaft with a hole and a cotter pin, and the lower end of the upper connecting rod (4) is fixed with the unlocking assembly (3) through double nuts; the lower end of the lower connecting rod (5) is fixed with the lower lock component (2) through a pin shaft with a hole and a cotter pin, and the upper end of the lower connecting rod (5) is fixed with the unlocking component (3) through double nuts.

9. The subway under-pressure type modular push rod emergency door lock as claimed in claim 2, wherein: the lock tongue (10) is provided with a groove.

10. The subway under-pressure type modular push rod emergency door lock according to claim 5, wherein: the lock cylinder cam (25) is fixed by using an opening retainer ring.