CN107939175B

CN107939175B - Rail transit emergency door lock based on rotating shaft connection technology

Info

Publication number: CN107939175B
Application number: CN201711470943.0A
Authority: CN
Inventors: 张晓静
Original assignee: Zhengzhou Kangxiao Technology Co Ltd
Current assignee: Zhengzhou Kangxiao Technology Co Ltd
Priority date: 2017-12-29
Filing date: 2017-12-29
Publication date: 2020-06-26
Anticipated expiration: 2037-12-29
Also published as: CN107939175A

Abstract

The invention discloses a rail transit emergency door lock based on a rotating shaft connection technology, which comprises a door plate and a shielding door, wherein the surface of the door plate is fixedly connected with a lock shell, two first rolling bearings and two second rolling bearings which are symmetrically distributed are embedded in the side wall of the opposite side of the lock shell, a first rotating shaft is fixedly sleeved inside the two first rolling bearings, a first gear is fixedly sleeved on the shaft wall of the first rotating shaft, the first gear is connected with a second gear, a second rotating shaft is fixedly sleeved inside the two second rolling bearings, the shaft wall of the second rotating shaft is fixedly sleeved with the inner wall of the second gear, a semicircular wheel is fixedly sleeved on the shaft wall of the second rotating shaft, and the inner side wall of the lock shell is fixedly connected with a spring sleeve. According to the rail transit emergency door lock based on the rotating shaft connection technology, when a passenger takes a subway and meets an emergency situation, the passenger can quickly open the emergency door plate by rotating the rotating handle by hand, and the passenger can quickly escape from a space between the shield door and a train.

Description

Rail transit emergency door lock based on rotating shaft connection technology

Technical Field

The invention relates to the technical field of anti-inflammation cloth buckling, in particular to a rail transit emergency door lock based on a rotating shaft connection technology.

Background

Subways have been increasingly used in various countries of the world as fast public transportation systems in modern large cities. As a public transportation system, safety is the most important. When a train enters a station and stops, the situation that the stop position of the train and the opening position of the platform screen door cannot be aligned can occur due to various reasons, or the emergency situation that the passenger is clamped between the train and the screen door due to the self-reason of the passenger can occur.

Therefore, in order to protect passengers from getting on or off the train and to ensure safe operation of the train, the platform screen door is generally provided with an emergency door unit system to solve the emergency situation. In emergency door unit systems, an unlocking device is generally provided so that in an emergency the passenger can manually open the unlocking device on the hazard side (track side) of the screen door in order to open the emergency door out.

Disclosure of Invention

The invention aims to solve the problem that passengers can quickly escape through an unlocking device when taking a subway in an emergency, and provides a rail transit emergency door lock based on a rotating shaft connection technology.

In order to achieve the purpose, the invention adopts the following technical scheme:

a rail transit emergency door lock based on a rotating shaft connection technology comprises a door plate and a shielding door, wherein a lock shell is fixedly connected to the surface of the door plate, two first rolling bearings and two second rolling bearings which are symmetrically distributed are embedded in the side wall of one opposite side of the lock shell, a first rotating shaft is fixedly sleeved inside the two first rolling bearings, a first gear is fixedly sleeved on the shaft wall of the first rotating shaft, a second gear is connected on the first gear, a second rotating shaft is fixedly sleeved inside the two second rolling bearings, the shaft wall of the second rotating shaft is fixedly sleeved on the inner wall of the second gear, a semicircular wheel is fixedly sleeved on the shaft wall of the second rotating shaft, a spring sleeve is fixedly connected to the inner side wall of the lock shell, a T-shaped spring bolt is movably sleeved on the inner wall of the bottom of the spring sleeve through a first through hole, and one end of the T-shaped spring bolt extends to the outside of the lock shell through a second through hole, the other end of the T-shaped bolt is in transmission connection with the semicircular wheel.

Preferably, one end of the first rotating shaft passes through the first rolling bearing and extends to the outside of the lock shell, and a rotating handle is fixedly connected with the first rotating shaft.

Preferably, an annular groove is formed in the side wall of the lock shell, and a handle sleeve is clamped inside the annular groove.

Preferably, the upper side of the shielding door is provided with a lock hole, and the T-shaped lock tongue is clamped with the lock hole.

Preferably, the inner wall of the bottom of the spring sleeve is fixedly connected with a spring, and the spring is movably sleeved with the T-shaped lock tongue.

Preferably, the shaft wall fixedly connected with two first fixture blocks of symmetric distribution of first pivot, two first draw-in grooves of symmetric distribution are seted up to the inner wall of rotatory handle, first fixture block and first draw-in groove joint, two second fixture blocks of lateral wall fixedly connected with symmetric distribution of rotatory handle, two second draw-in grooves that correspond with two second fixture block position symmetries are seted up to the outer wall of lock shell, second fixture block and second draw-in groove joint.

Compared with the prior art, the invention provides a rail transit emergency door lock based on a rotating shaft connection technology, which has the following beneficial effects:

1. this track traffic emergency door lock through the rotatory handle that is equipped with, can drive first pivot and rotate, and first pivot can drive first gear revolve, and first gear can drive second gear revolve, and then drives the second pivot and rotate, and the second pivot drives the semicircle wheel and rotates, and the semicircle wheel drives the inside that T shape spring bolt removed the lockhole, can lock the door plant.

2. This track traffic emergency door lock through the spring that is equipped with, can apply a power opposite with the lockhole direction for T shape spring bolt, and then can pop out T shape spring bolt from the inside of lockhole, can open the door plant, and then the passenger when taking the subway and meetting emergency, can escape from between shield door and the train fast.

3. According to the rail transit emergency door lock, the rotary handle can be prevented from being touched by passengers in an emergency situation through the handle sleeve; through first fixture block and the second fixture block that is equipped with, can remove the rotation handle, and then fix the rotation handle, avoid spring bolt automatically move.

The parts which are not involved in the device are the same as or can be realized by adopting the prior art, the invention designs the rail transit emergency door lock based on the rotating shaft connection technology, when a passenger takes a subway and meets an emergency situation, the passenger can quickly open the emergency door plate by manually rotating the rotating handle, and the passenger can quickly escape from between the shield door and a train.

Drawings

Fig. 1 is a schematic structural diagram of a rail transit emergency door lock based on a rotating shaft connection technology, which is provided by the invention;

FIG. 2 is a schematic structural diagram of the connection between a door plate and a shield door of a rail transit emergency door lock based on a rotating shaft connection technology, provided by the invention;

FIG. 3 is a schematic structural diagram of a door lock spring sleeve of a rail transit emergency door based on a rotating shaft connection technology, which is provided by the invention;

fig. 4 is a schematic structural diagram of a rotating handle of a rail transit emergency door lock based on a rotating shaft connection technology and connected with a first rotating shaft.

In the figure: the locking mechanism comprises a door plate 1, a shield door 2, a locking hole 3, a locking tongue 4T-shaped, a lock shell 5, a handle sleeve 6, a first rolling bearing 7, a second rolling bearing 8, a first rotating shaft 9, a second rotating shaft 10, a first gear 11, a second gear 12, a semicircular wheel 13, a spring sleeve 14, a ring groove 15, a rotating handle 16, a spring 17, a first clamping block 18, a first clamping groove 19, a second clamping block 20 and a second clamping groove 21.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Referring to fig. 1-4, a rail transit emergency door lock based on a rotating shaft connection technology comprises a door plate 1 and a shielding door 2, wherein the surface of the door plate 1 is fixedly connected with a lock shell 5, two first rolling bearings 7 and two second rolling bearings 8 which are symmetrically distributed are embedded in the side wall of the opposite side of the lock shell 5, a first rotating shaft 9 is fixedly sleeved inside the two first rolling bearings 7, a first gear 11 is fixedly sleeved on the shaft wall of the first rotating shaft 9, a second gear 12 is meshed with the first gear 11, a second rotating shaft 10 is fixedly sleeved inside the two second rolling bearings 8, the shaft wall of the second rotating shaft 10 is fixedly sleeved with the inner wall of the second gear 12, a semicircular wheel 13 is fixedly sleeved on the shaft wall of the second rotating shaft 10, a spring sleeve 14 is fixedly connected to the inner side wall of the lock shell 5, a T-shaped bolt 4 is movably sleeved on the inner wall of the bottom of the spring sleeve 14 through a first through hole, one end of the T-shaped bolt 4 extends to the outside of the lock shell 5 through the second through hole, and the other end of the T-shaped bolt 4 is in transmission connection with the semicircular wheel 13.

First antifriction bearing 7 is passed to the one end of first pivot 9 and extends to the outside of lock shell 5 and the rotatory handle of fixedly connected with 16, ring channel 15 has been seted up to the lateral wall of lock shell 5, the inside joint of ring channel 15 has handle sleeve 6, lockhole 3 has been seted up to the upside of shield door 2, T shape spring bolt 4 and lockhole 3 joint, spring sleeve 14's bottom inner wall fixedly connected with spring 17, spring 17 cup joints with T shape spring bolt 4 activity, two first fixture blocks 18 of the axle wall fixedly connected with symmetric distribution of first pivot 9, two first draw-in grooves 18 of symmetric distribution are seted up to the inner wall of rotatory handle 16, first fixture block 18 and first draw-in groove 19 joint, two second fixture block 20 of the lateral wall fixedly connected with symmetric distribution of rotatory handle 16, two second draw-in grooves 21 that correspond with two second fixture block 20 position symmetries are seted up to the outer wall of lock shell 5, second fixture block 20 and second draw-in groove 21 joint.

In the invention, when in use, the rotating handle 16 is arranged to drive the first rotating shaft 9 to rotate, the first rotating shaft 9 can drive the first gear 11 to rotate, the first gear 11 can drive the second gear 12 to rotate, and then the second rotating shaft 10 is driven to rotate, the second rotating shaft 10 drives the semicircular wheel 13 to rotate, the semicircular wheel 13 drives the T-shaped bolt 4 to move into the lock hole 3, the door panel 1 can be locked, the T-shaped bolt 4 can be applied with a force opposite to the direction of the lock hole 3 by the aid of the arranged spring 17, and then the T-shaped bolt 4 can be ejected out from the inside of the lock hole 3, the door panel can be opened, and further a passenger can rapidly escape from between the shield door 2 and a train in an emergency when taking a subway, the handle sleeve 6 is arranged, when the emergency does not exist, the passenger can be prevented from touching the rotating handle 16, and the first clamping block 18 and the second clamping block 20 are arranged, can remove rotation handle 16, and then fix rotation handle 16, avoid spring bolt 4 automatic movement, open door plant 1.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. The rail transit emergency door lock based on the rotating shaft connection technology comprises a door plate (1) and a shielding door (2), and is characterized in that the surface of the door plate (1) is fixedly connected with a lock shell (5), two first rolling bearings (7) and two second rolling bearings (8) which are symmetrically distributed are embedded in the side wall of one side opposite to the lock shell (5), a first rotating shaft (9) is fixedly sleeved in the first rolling bearings (7), a first gear (11) is fixedly sleeved on the shaft wall of the first rotating shaft (9), a second gear (12) is in toothed connection with the first gear (11), a second rotating shaft (10) is fixedly sleeved in the second rolling bearings (8), the shaft wall of the second rotating shaft (10) is fixedly sleeved with the inner wall of the second gear (12), and a semicircular wheel (13) is fixedly sleeved on the shaft wall of the second rotating shaft (10), the inner side wall of the lock shell (5) is fixedly connected with a spring sleeve (14), the bottom inner wall of the spring sleeve (14) is movably sleeved with a T-shaped bolt (4) through a first through hole, one end of the T-shaped bolt (4) extends to the outside of the lock shell (5) through a second through hole, the other end of the T-shaped bolt (4) is in transmission connection with a semicircular wheel (13), one end of a first rotating shaft (9) penetrates through a first rolling bearing (7) and extends to the outside of the lock shell (5) and is fixedly connected with a rotating handle (16), a circular groove (15) is formed in the side wall of the lock shell (5), a handle sleeve (6) is clamped in the inner part of the circular groove (15), a lock hole (3) is formed in the upper side of the shielding door (2), the T-shaped bolt (4) is clamped with the lock hole (3), and a spring (17) is fixedly connected with the bottom inner wall of the spring, the spring (17) is movably sleeved with the T-shaped bolt (4).

2. The rail transit emergency door lock based on the rotating shaft connection technology as claimed in claim 1, wherein two first clamping blocks (18) are fixedly connected to a shaft wall of the first rotating shaft (9) and symmetrically distributed, two first clamping grooves (19) are formed in an inner wall of the rotating handle (16), the first clamping blocks (18) are clamped with the first clamping grooves (19), two second clamping blocks (20) are fixedly connected to a side wall of the rotating handle (16) and symmetrically distributed, two second clamping grooves (21) are formed in an outer wall of the lock case (5) and symmetrically correspond to the two second clamping blocks (20), and the second clamping blocks (20) are clamped with the second clamping grooves (21).