CN109209056B - Locking mechanism for sliding door and platform door with locking mechanism - Google Patents
Locking mechanism for sliding door and platform door with locking mechanism Download PDFInfo
- Publication number
- CN109209056B CN109209056B CN201711144369.XA CN201711144369A CN109209056B CN 109209056 B CN109209056 B CN 109209056B CN 201711144369 A CN201711144369 A CN 201711144369A CN 109209056 B CN109209056 B CN 109209056B
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- door
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- wire rope
- sliding door
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- 230000007246 mechanism Effects 0.000 title claims abstract description 52
- 229910000831 Steel Inorganic materials 0.000 claims description 43
- 239000010959 steel Substances 0.000 claims description 43
- 230000033001 locomotion Effects 0.000 claims description 10
- 230000005540 biological transmission Effects 0.000 claims description 3
- 238000013459 approach Methods 0.000 claims 1
- 238000005452 bending Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B65/00—Locks or fastenings for special use
- E05B65/08—Locks or fastenings for special use for sliding wings
- E05B65/0864—Locks or fastenings for special use for sliding wings the bolts sliding perpendicular to the wings
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61B—RAILWAY SYSTEMS; EQUIPMENT THEREFOR NOT OTHERWISE PROVIDED FOR
- B61B1/00—General arrangement of stations, platforms, or sidings; Railway networks; Rail vehicle marshalling systems
- B61B1/02—General arrangement of stations and platforms including protection devices for the passengers
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B47/00—Operating or controlling locks or other fastening devices by electric or magnetic means
- E05B47/02—Movement of the bolt by electromagnetic means; Adaptation of locks, latches, or parts thereof, for movement of the bolt by electromagnetic means
- E05B47/026—Movement of the bolt by electromagnetic means; Adaptation of locks, latches, or parts thereof, for movement of the bolt by electromagnetic means the bolt moving rectilinearly
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Lock And Its Accessories (AREA)
- Power-Operated Mechanisms For Wings (AREA)
Abstract
The invention discloses a locking mechanism for a sliding door and a platform door with the locking mechanism, wherein the sliding door comprises a fixed door and a movable door, and the locking mechanism comprises: the locking pin is arranged on the movable door, the locking pin is movably arranged on the fixed door between a locking position and an unlocking position along the thickness direction of the fixed door, the locking pin is stopped to fix the relative position of the movable door and the fixed door when the locking pin is positioned at the locking position, the locking pin is separated from the locking pin to allow the movable door to slide relative to the fixed door when the locking pin is positioned at the unlocking position, the electromagnetic driving piece is provided with a movable end which is telescopic along the thickness direction perpendicular to the fixed door, and the movable end is connected with the locking pin to drive the locking pin to move between the locking position and the unlocking position. According to the locking mechanism for the sliding door, disclosed by the embodiment of the invention, the movable end of the electromagnetic driving piece moves along the thickness direction perpendicular to the fixed door and drives the lock tongue to lock or unlock the sliding door, so that the occupied space of the locking mechanism in the thickness direction of the fixed door is reduced.
Description
Technical Field
The invention relates to the technical field of vehicle engineering, in particular to a locking mechanism for a sliding door and a platform door with the locking mechanism.
Background
In order to increase the width of a passenger channel, the movable doors are arranged in a staggered manner along the thickness direction of the fixed doors, and as the movable ends of the locking mechanisms in the related art move along the thickness direction of the fixed doors, the occupied space of the locking mechanisms in the thickness direction of the fixed doors is larger, and the movable doors on two sides of the fixed doors correspond to the independent locking mechanisms, so that the thickness of the fixed doors is increased, the internal space of the vehicle is reduced, and the production cost of the vehicle is increased.
Disclosure of Invention
The present invention aims to solve at least one of the technical problems existing in the prior art.
To this end, the invention proposes a locking mechanism for a sliding door which occupies a small space in the thickness direction of the fixed door, reducing the thickness of the sliding door.
The invention also provides a platform door with the locking mechanism.
A locking mechanism for a sliding door according to an embodiment of a first aspect of the present invention, the sliding door including a fixed door and a movable door slidable with respect to the fixed door, the locking mechanism comprising: the locking pin is arranged on the movable door and slides along with the movable door, the locking pin is movably arranged on the fixed door between a locking position and an unlocking position along the thickness direction of the fixed door, the locking pin is stopped against the locking pin when being positioned at the locking position so as to fix the relative position of the movable door and the fixed door, the locking pin is separated from the locking pin when being positioned at the unlocking position so as to allow the movable door to slide relative to the fixed door, the electromagnetic driving piece is arranged on the fixed door, the electromagnetic driving piece is provided with a movable end which is telescopic along the thickness direction perpendicular to the fixed door, and the movable end is connected with the locking pin so as to drive the locking pin to move between the locking position and the unlocking position.
According to the locking mechanism for the sliding door, disclosed by the embodiment of the invention, the movable end of the electromagnetic driving piece drives the lock tongue to move along the thickness direction of the fixed door, so that the lock tongue is matched with the lock pin on the movable door and locks or opens the sliding door, and the movable end moves along the thickness direction perpendicular to the fixed door, so that the occupied space of the locking mechanism in the thickness direction of the fixed door is reduced, and the thickness of the fixed door is further reduced.
According to a latching mechanism for a sliding door of one embodiment of the present invention, the electromagnetic driving member includes: the electromagnet is connected to the fixed door, the driving rod forms the movable end, the first elastic piece is arranged between the electromagnet and the driving rod, electromagnetic force attracting the driving rod is generated when the electromagnet is electrified so that the driving rod overcomes the elasticity of the first elastic piece to be close to the electromagnet, and the driving rod is far away from the electromagnet under the elasticity of the first elastic piece when the electromagnet is powered off. The electromagnet is utilized to drive the lock tongue to move, an electromagnetic driving piece is not required to be directly operated by a worker, the automation degree of the locking mechanism is improved, and the locking or opening of the sliding door can be controlled by a controller in a long distance.
Optionally, the driving rod is connected with the lock tongue through a connecting piece, and the connecting piece converts the motion of the driving rod in the thickness direction perpendicular to the fixed door into the motion of the lock tongue in the thickness direction along the fixed door.
Further, a bending part is configured in the middle of the connecting piece, the bending part is pivotally mounted on the fixed door, one end of the connecting piece is movable along the thickness direction of the sliding door and is pivotally connected with the lock tongue, and the other end of the connecting piece is movable along the thickness direction perpendicular to the fixed door and is pivotally connected with the driving rod.
A locking mechanism for a sliding door according to one embodiment of the present invention, the locking mechanism further includes: the manual unlocking handle is movably arranged on the movable door and is in transmission connection with the lock pin, and when the lock tongue is positioned at the locking position, the manual unlocking handle is driven to move by driving the lock pin so as to be separated from the lock tongue. When the electromagnetic driving piece fails, a passenger can open the door to get off by using the manual unlocking handle through arranging the manual unlocking handle on the movable door.
Optionally, the moving direction of the lock pin is perpendicular to the sliding direction of the movable door.
According to an alternative embodiment of the invention, the manual unlocking handle is connected with the lock pin through a steel wire rope.
Further, the steel wire rope includes: the steel strand comprises a steel strand and a wire tube, wherein one end of the steel strand is connected with the manual unlocking handle, the other end of the steel strand is connected with the lock pin, and the wire tube is sleeved on the steel strand.
According to one embodiment of the invention, the movable door is provided with a first steel wire rope fixing seat and a second steel wire rope fixing seat, the first steel wire rope fixing seat is adjacent to the manual unlocking handle, the second steel wire rope fixing seat is adjacent to the locking pin, one end of the steel stranded wire penetrates through the first steel wire rope fixing seat and is connected with the manual unlocking handle, the other end of the steel stranded wire penetrates through the second steel wire rope fixing seat and is connected with the locking pin, and two ends of the wire tube are respectively connected to the two steel wire rope fixing seats.
Optionally, the length of the portion of the steel strand between the first and second wire rope holders is equal to the length of the spool.
According to one embodiment of the invention, the locking pin comprises: the base is movably arranged on the movable door, the base is connected with the steel wire rope, the stop block is arranged on the base and moves along with the base, the second elastic piece is arranged between the base and the fixed door, and the second elastic piece is used for pushing the base to push the stop block to the height where the lock tongue is located.
Further, the horizontal cross section of the stop block is a right triangle.
According to a second aspect of the present invention, a platform door according to an embodiment includes a plurality of locking mechanisms and a plurality of sliding doors according to the above-described embodiments, wherein a passenger passage is defined between adjacent fixed doors, and each of the movable doors is configured to open and close the corresponding passenger passage.
Additional aspects and advantages of the invention 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 invention.
Drawings
The foregoing and/or additional aspects and advantages of the invention will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:
FIG. 1 is a schematic view of a platform door according to an embodiment of the invention;
FIG. 2 is a view of an open state of a platform door according to an embodiment of the invention;
FIG. 3 is a partial front view of a platform door according to an embodiment of the invention;
FIG. 4 is an enlarged view at A in FIG. 3;
FIG. 5 is a right side view of a platform door according to an embodiment of the invention;
FIG. 6 is an enlarged view at B in FIG. 5;
Fig. 7 is a schematic structural view of a manual unlocking handle according to an embodiment of the present invention.
Reference numerals:
100: a platform door;
10: a sliding door; 11: a fixed door; 12: a movable door; 13: a passenger aisle;
20: a locking mechanism; 21: a locking pin; 211: a base; 212: a stop block; 22: a bolt; 23: an electromagnetic driving member; 231: an electromagnet; 232: a driving rod; 233: a connecting piece; 24: a manual unlocking handle; 241: a wire rope; 2411: steel strand; 2412: a conduit; 2413: the first steel wire rope fixing seat; 2414: and the second steel wire rope fixing seat.
Detailed Description
Embodiments of the present invention are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the invention.
In the description of the present invention, it should be understood that the terms "center," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "axial," and the like indicate an orientation or a positional relationship based on that shown in the drawings, merely for convenience of description and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, features defining "first", "second" may include one or more such features, either explicitly or implicitly. In the description of the present invention, unless otherwise indicated, the meaning of "a plurality" is two or more.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
A platform door 100 according to an embodiment of the present invention is described below with reference to fig. 1-7.
As shown in fig. 1, a station door according to an embodiment of the present invention includes: the sliding doors 10 each include at least one fixed door 11 and one movable door 12 slidable with respect to the fixed door 11, and may include one fixed door 11 and two movable doors 12, a receiving chamber for receiving the movable doors 12 is provided in the fixed door 11, the fixed doors 11 of the sliding doors 10 are arranged at intervals, a passenger passage 13 is defined between adjacent fixed doors 11, two movable doors 12 are provided between adjacent fixed doors 11 for opening or closing the corresponding passenger passage 13, when the passenger passage 13 is opened, the movable doors 12 on both sides of the fixed door 11 slide into the receiving chamber of the fixed door 11, and the two movable doors 12 are arranged in the receiving chamber in a staggered and laminated manner.
A locking mechanism 20 is arranged between each movable door 12 and the corresponding fixed door 11, when the movable door 12 closes the passenger channel 13, the locking mechanism 20 is closed to fix the relative positions of the movable door 12 and the fixed door 11, and the locking mechanism 20 opens the movable door 12 to slide to open the passenger channel 13.
First, a locking mechanism 20 for a sliding door 10 according to an embodiment of the present invention is described with reference to the drawings.
As shown in fig. 3, according to one embodiment of the present invention, the locking mechanism 20 includes: a locking pin 21, a locking tongue 22 and an electromagnetic driver 23.
The lock pin 21 is provided on the movable door 12 and slides with the movable door 12, the lock tongue 22 is mounted on the fixed door 11, and the lock tongue 22 moves in the thickness direction of the fixed door 11 between a locking position and an unlocking position, when the lock tongue 22 is in the locking position, one end of the lock tongue 22 abuts against the lock pin 21, the relative position of the fixed door 11 and the movable door 12 is fixed to prevent the movable door 12 from sliding to open the passenger passage 13, and when the lock tongue 22 is in the unlocking position, one end of the lock tongue 22 is disengaged from the lock pin 21 to allow the movable door 12 to slide relative to the fixed door 11 and open the passenger passage 13.
The electromagnetic driving member 23 is mounted on the fixed door 11, and the electromagnetic driving member 23 has a telescopic movable end, the telescopic direction of the movable end is perpendicular to the thickness direction of the fixed door 11, and the movable end is connected with the other end of the lock tongue 22 to drive the lock tongue 22 to move between the locking position and the unlocking position.
Thus, according to the locking mechanism 20 for the sliding door 10 of the embodiment of the present invention, the movable end of the electromagnetic driving member 23 drives the locking tongue 22 to move in the thickness direction of the fixed door 11, so as to cooperate with the locking pin 21 on the movable door 12 to limit the movement of the sliding door 10, and the movable end moves in the thickness direction perpendicular to the fixed door 11, thereby reducing the occupied space of the locking mechanism in the thickness direction of the fixed door 11, and being beneficial to further reducing the thickness of the fixed door 11.
According to the platform door 100 of the embodiment of the present invention, the thickness of the platform door 100 is advantageously reduced, and the width of the passenger passage 13 is increased, thereby increasing the speed of passengers getting on and off the vehicle by using the locking mechanism 20 of the above embodiment.
Some specific embodiments of a latching mechanism 20 for a sliding door 10 in accordance with embodiments of the present invention are described below with reference to fig. 1-7.
As shown in fig. 6, the electromagnetic driving member 23 includes: the electromagnet 231 is connected to the fixed door 11, when the electromagnet 231 is electrified, electromagnetic force is generated, when the electromagnet 231 is disconnected, the electromagnetic force disappears, the driving rod 232 moves under the attraction of the electromagnetic force of the electromagnet 231, and the driving rod 232 forms the movable end of the electromagnetic driving piece 23, wherein the first elastic piece can be a spring, the first elastic piece is arranged between the electromagnet 231 and the driving rod 232 and is in a compressed state, the driving rod 232 is always pushed to a direction far away from the electromagnet 231 by the elastic force of the first spring, when the electromagnet 231 is electrified, the driving rod 232 is attracted by the electromagnetic force to enable the driving rod 232 to be close to the electromagnet 231 against the elastic force of the first elastic piece, and when the electromagnet 231 is powered off, the driving rod 232 is far away from the electromagnet 231 under the elastic force of the first elastic piece.
Utilize electro-magnet 231 cooperation actuating lever 232 drive spring bolt 22 activity, need not the direct electromagnetic drive piece 23 of staff operation, promoted the degree of automation of latching mechanism 20, eliminated the danger that produces when the direct drive electromagnetic lock of staff moreover, the switch-on and the outage of remote control electro-magnet 231 and then control sliding door 10 open and close, provide convenience for the management station of staff.
As shown in fig. 6, in the present embodiment, the driving rod 232 is connected to the latch 22 through the connection member 233, and the connection member 233 converts the movement of the driving rod 232 in the thickness direction perpendicular to the fixed door 11 into the movement of the latch 22 in the thickness direction along the fixed door 11, that is, one end of the connection member 233 connected to the driving rod 232 moves in the thickness direction of the perpendicular fixed door 11, and one end of the connection member 233 connected to the latch 22 is connected in the thickness direction of the fixed door 11, thereby ensuring that the driving rod 232 can control the movement of the latch 22 between the locking position and the unlocking position.
Further, as shown in fig. 6, the middle portion of the connection member 233 is configured with a bent portion, for example, the connection member 233 may be of a V-shaped structure or an L-shaped structure, the bent portion of the connection member 233 is pivotally mounted on the fixed door 11, one end of the connection member 233 moves in the thickness direction of the sliding door 10, and one end of the connection member 233 is pivotally connected to one end of the latch tongue 22, as shown in fig. 6, one end of the connection member 233 is hinged to one end of the latch tongue 22, the other end of the connection member 233 moves in a direction perpendicular to the thickness direction of the fixed door 11, and the other end of the connection member 233 is pivotally connected to the driving lever 232, as shown in fig. 6, the moving path of the other end of the connection member 233 is identical to the moving path of the driving lever 232, and the other end of the connection member 233 is hinged to the upper end of the driving lever 232.
Through set up the portion of bending on the connection, utilize the portion of bending to realize the change of connecting piece 233 both ends displacement direction, provide the direction for actuating lever 232 drive spring bolt 22, simple structure moreover, simple to operate.
According to one embodiment of the present invention, as shown in fig. 3 and 7, the locking mechanism 20 further comprises: the lock pin 21 is movably disposed on the movable door 12, for example, the manual unlocking handle 24 may be rotatable relative to the movable door 12, or may slide relative to the movable door 12, the manual unlocking handle 24 is disposed on the sliding door 10 and is in transmission connection with the lock pin 21, when the lock pin 22 is in the locking position, the manual unlocking handle 24 rotates or slides relative to the movable door 12 to drive the lock pin 21 to move so as to disengage from the lock pin 22, the lock pin 21 is disengaged from the restriction of the lock pin 22, and the movable door 12 slides relative to the fixed door 11 so as to open the passenger channel 13.
Wherein, through setting up manual unblock handle 24 on dodge gate 12 to utilize manual unblock handle 24 to drive lockpin 21 in order to remove the restriction effect of spring bolt 22 to lockpin 21, increased the unblock mode of sliding door 10, when electromagnetic drive piece 23 breaks down, passenger can utilize manual unblock handle 24 to open passenger's passageway 13 and get off, prevent that the passenger from getting trapped in the carriage and causing dangerous result.
Alternatively, as shown in fig. 6, the moving direction of the lock pin 21 is perpendicular to the sliding direction of the movable door 12, for example, the movable door 12 slides horizontally with respect to the fixed door 11, and the lock pin 21 slides vertically with respect to the movable door 12, whereby when the lock pin 21 slides vertically, the height of the lock pin 21 is always lower than the height of the lock tongue 22 when the movable door 12 slides horizontally, that is, the lock pin 21 does not contact with the lock tongue 22 during the sliding of the movable door 12, thereby ensuring that the movable door 12 can be normally opened.
As shown in fig. 6, in the present embodiment, the manual unlocking handle 24 is connected with the lock pin 21 through the steel wire rope 241, so that not only can the manual unlocking handle 24 have a good driving effect on the lock pin 21, but also, compared with the connection of the connecting rod, the steel wire rope 241 has a good bending deformation capability, and is convenient for selecting the positions of the manual unlocking handle 24 and the lock pin 21, and furthermore, the arrangement mode of the steel wire rope 241 is simple, is less affected by the outside, is not easy to damage, and is not easy to generate faults.
Further, as shown in fig. 6, the wire rope 241 includes: the steel strand 2411 and the spool 2412, the manual unblock handle 24 is connected to the one end of steel strand 2411, the lockpin 21 is connected to the other end of steel strand 2411, the spool 2412 cover is established on steel strand 2411, on the one hand, steel strand 2411's tensile strength is higher, and rigidity is great, can not produce deformation extension or shortening because of the pulling force increase or the reduction that manual unblock handle 24 applys to it, and stability is strong, on the other hand, spool 2412 can prevent steel strand 2411 and water erosion, is favorable to prolonging steel strand 2411's life.
As shown in fig. 7, according to an embodiment of the present invention, a first wire rope fixing base 2413 and a second wire rope fixing base 2414 are provided on the movable door 12, the first wire rope fixing base 2413 is adjacent to the manual unlocking handle 24 and the second wire rope fixing base 2414 is adjacent to the locking pin 21, one end of the wire rope 2411 passes through the first wire rope fixing base 2413 and is connected to the manual unlocking handle 24, the other end of the wire rope 2411 passes through the second wire rope fixing base 2414 and is connected to the locking pin 21, two ends of the wire tube 2412 are respectively connected to the two wire rope 241 fixing bases, the wire rope 2411 and the wire tube 2412 are fixed by the first wire rope fixing base 2413 and the second wire rope fixing base 2414, on one hand, the stability of the wire rope 241 can be improved, the wire rope 241 is prevented from being scattered, on the other hand, the arrangement path of the wire rope 2411 is controlled by the first wire rope fixing base 2413 and the second wire rope fixing base 2414, so that the stress direction of the unlocking handle to the locking pin 21 is controlled, and the movement direction of the locking pin 21 is controlled.
The length of the conduit 2412 is fixed and is not affected by the tensile force of the steel strand 2411, and the length of the portion of the steel strand 2411 between the first steel wire rope fixing base 2413 and the second steel wire rope fixing base 2414 is equal to the length of the conduit 2412, so that the steel strand 2411 can be ensured to be always in a straightened state in the use process, and the performance of the manual unlocking handle 24 and the unlocking flexibility are prevented from being affected by the looseness of the steel strand 2411.
As shown in fig. 6, according to an embodiment of the present invention, the lock pin 21 includes: the base 211 is movably arranged on the movable door 12, the base 211 is connected with the steel wire 241, for example, a waist-shaped hole penetrating through the base 211 along the thickness of the base 211 is formed on the base 211, a fastener penetrates through the waist-shaped hole and is connected on the movable door 12, the fastener moves relative to the base 211 along the extending direction of the waist-shaped hole, further, the base 211 moves relative to the movable door 12, the baffle 212 is connected on the base 211 and moves along with the base 211, the baffle 212 is used for limiting the relative position of the movable door 12 and the fixed door 11 in cooperation with the lock pin 21, the second elastic piece is arranged between the base 211 and the fixed door 11, for example, the second elastic piece can be a spring, the second elastic piece pushes the baffle 212 to the height of the lock tongue 22 normally, the normal pushing direction means that when the baffle 212 is at the same height as the lock tongue 22, the acting force of the second elastic piece keeps the baffle 212 stationary, and when the baffle 212 is at the same height as the lock tongue 22, the acting force of the second elastic piece pushes the baffle 212 to move to the same height as the lock tongue 22.
In some embodiments, the first elastic member is disposed between the base 211 and the movable door 12, and the second elastic member is in a compressed state, and the second elastic member always has a pushing force on the base 211, that is, when the locking mechanism 20 locks the movable door 12 and the fixed door 11, the stopper 212 is located at the same height as the lock tongue 22 and is in abutting contact with the fixed door, the elastic force of the second elastic member balances with the pulling force of the wire rope and the acting force of the movable door 12 on the base 211, the manual unlocking handle 24 moves and drives the base 211 to move by the wire rope 241, the stopper 212 moves and changes in height, and after the manual unlocking handle 24 is reset, the elastic force of the second elastic member pushes the base 211 back to the original position, and the stopper 212 returns to the same height as the lock tongue 22.
Further, the horizontal cross section of the stopper 212 is a right triangle, for example, the stopper 212 may be a pentahedron or a triangle column with a right triangle cross section, wherein a face where one right-angle side is located is connected with the base 211, a face where the hypotenuse is located is formed as a slope inclined with respect to the base 211, and the slope contacts with the setting and pushes the latch tongue 22 to move and lock during the sliding process of the sliding door 12, that is, the electromagnetic driving member 23 is not required to be operated when the sliding door 10 is closed, so that convenience is provided for closing the sliding door 12. The other right-angle side can well limit the lock tongue 22, prevent the lock tongue 22 from moving relative to the stop block 212, and improve the stability of the locking mechanism 20.
Other constructions and operations of the platform door 100 according to embodiments of the present invention are known to those of ordinary skill in the art and will not be described in detail herein.
In the description of the present specification, reference to the terms "one embodiment," "some embodiments," "illustrative 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 invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: many changes, modifications, substitutions and variations may be made to the embodiments without departing from the spirit and principles of the invention, the scope of which is defined by the claims and their equivalents.
Claims (11)
1. A latch mechanism for a sliding door, the sliding door comprising a fixed door and a movable door slidable relative to the fixed door, the latch mechanism comprising:
the lock pin is arranged on the movable door and slides along with the movable door;
The lock tongue is movably arranged on the fixed door between a locking position and an unlocking position along the thickness direction of the fixed door, the lock tongue is abutted against the lock pin when being positioned at the locking position so as to fix the relative position of the movable door and the fixed door, and the lock tongue is separated from the lock pin when being positioned at the unlocking position so as to allow the movable door to slide relative to the fixed door;
The electromagnetic driving piece is arranged on the fixed door and is provided with a movable end which is telescopic along the thickness direction perpendicular to the fixed door, and the movable end is connected with the lock tongue to drive the lock tongue to move between the locking position and the unlocking position;
the electromagnetic driving member includes:
The electromagnet is connected to the fixed door;
a drive rod, the drive rod constituting the movable end;
The first elastic piece is arranged between the electromagnet and the driving rod and is in a compressed state, electromagnetic force attracting the driving rod is generated when the electromagnet is electrified so that the driving rod overcomes the elastic force of the first elastic piece and approaches the electromagnet, and the driving rod is far away from the electromagnet under the elastic force of the first elastic piece when the electromagnet is powered off;
The driving rod is connected with the lock tongue through a connecting piece, and the connecting piece converts the motion of the driving rod in the thickness direction vertical to the fixed door into the motion of the lock tongue in the thickness direction along the fixed door.
2. The latch mechanism for a sliding door according to claim 1, wherein a bent portion is constructed at a middle portion of the link member, the bent portion is pivotally mounted on the fixed door, one end of the link member is movable in a thickness direction of the sliding door and pivotally connected to the latch tongue, and the other end of the link member is movable in a thickness direction perpendicular to the fixed door and pivotally connected to the driving lever.
3. The latch mechanism for a sliding door according to any one of claims 1-2, further comprising:
The manual unlocking handle is movably arranged on the movable door and is in transmission connection with the lock pin, and when the lock tongue is positioned at the locking position, the manual unlocking handle is driven to move by driving the lock pin so as to be separated from the lock tongue.
4. A latching mechanism for a sliding door according to claim 3, wherein the direction of movement of said latch is perpendicular to the sliding direction of said moveable door.
5. The latching mechanism for a sliding door according to claim 4, wherein said manual unlatching handle is connected to said latch by a wire rope.
6. The latch mechanism for a sliding door of claim 5 wherein the wire rope comprises:
One end of the steel strand is connected with the manual unlocking handle, and the other end of the steel strand is connected with the lock pin;
And the wire pipe is sleeved on the steel twisted wire.
7. The locking mechanism for a sliding door according to claim 6, wherein a first wire rope fixing seat and a second wire rope fixing seat are arranged on the sliding door, the first wire rope fixing seat is adjacent to the manual unlocking handle, the second wire rope fixing seat is adjacent to the lock pin, one end of the wire strand penetrates through the first wire rope fixing seat and is connected with the manual unlocking handle, the other end of the wire strand penetrates through the second wire rope fixing seat and is connected with the lock pin, and two ends of the wire tube are respectively connected to the two wire rope fixing seats.
8. The latching mechanism for a sliding door according to claim 7, wherein a length of a portion of said steel strand between said first wire rope fixing seat and said second wire rope fixing seat is equal to a length of said spool.
9. The latch mechanism for a sliding door of claim 5 wherein the lock pin comprises:
the base is movably arranged on the movable door and is connected with the steel wire rope;
the stop block is used for being matched with the lock tongue, is arranged on the base and moves along with the base;
the second elastic piece is arranged between the base and the fixed door, and the second elastic piece pushes the base to push the stop block to the height where the lock tongue is located.
10. The latching mechanism for a sliding door according to claim 9, wherein said stop is right triangle in horizontal cross section.
11. A platform door, comprising:
a latching mechanism for a sliding door as claimed in any one of claims 1 to 10, the latching mechanism being plural;
The sliding doors are arranged at intervals, the fixed doors of the sliding doors are adjacent to each other, a passenger channel is defined between the fixed doors, and each movable door is used for opening and closing the corresponding passenger channel.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2017105279927 | 2017-06-30 | ||
| CN201720790842 | 2017-06-30 | ||
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| CN201710527992 | 2017-06-30 |
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| CN201721540544.2U Active CN207686461U (en) | 2017-06-30 | 2017-11-17 | Blocking mechanism for sliding door and the gate with it |
| CN201711144369.XA Active CN109209056B (en) | 2017-06-30 | 2017-11-17 | Locking mechanism for sliding door and platform door with locking mechanism |
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| CN207686461U (en) * | 2017-06-30 | 2018-08-03 | 比亚迪股份有限公司 | Blocking mechanism for sliding door and the gate with it |
| CN109484146A (en) * | 2018-10-16 | 2019-03-19 | 上汽通用汽车有限公司 | The control method of car body and car body |
| JP7334559B2 (en) * | 2019-09-26 | 2023-08-29 | 富士電機株式会社 | Product storage device |
| CN114809867B (en) * | 2022-04-08 | 2024-07-02 | 中船海为高科技有限公司 | Safety door machine system |
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| CN207686461U (en) * | 2017-06-30 | 2018-08-03 | 比亚迪股份有限公司 | Blocking mechanism for sliding door and the gate with it |
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| JP4533675B2 (en) * | 2004-06-16 | 2010-09-01 | ナブテスコ株式会社 | Platform screen door device |
| KR200435056Y1 (en) * | 2006-09-30 | 2007-01-04 | 장복규 | Manual release device of screen doors |
| CN202945959U (en) * | 2012-12-16 | 2013-05-22 | 四川久远新方向智能科技有限公司 | Sliding door for rail transit safety door |
| JP6180806B2 (en) * | 2013-06-13 | 2017-08-16 | ナブテスコ株式会社 | Door opener |
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| CN207686461U (en) * | 2017-06-30 | 2018-08-03 | 比亚迪股份有限公司 | Blocking mechanism for sliding door and the gate with it |
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| CN207686461U (en) | 2018-08-03 |
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