CN115583264A - Remote isolation device for vehicle door and vehicle door system - Google Patents

Abstract

The invention provides a remote isolation device for a vehicle door and a vehicle door system, which belong to the technical field of machinery and include: a bottom plate on which a transmission assembly is installed, and the transmission assembly includes a screw rod connected to the end of the screw rod, and A fixed block that rotates synchronously with the screw rod, wherein the fixed block is provided with a recess; the isolation component is installed on the bottom plate, including an isolation bracket, and a transmission part is rotatably connected to the isolation bracket, and one end of the transmission part is provided with an insert block , and a convex part matched with the concave part is provided on the insert block, and a handle is provided at the other end of the transmission part; the electromagnet assembly is installed on the bottom plate, wherein the electromagnet assembly includes a mounting plate, and is connected to the mounting plate An electromagnet, the stretching direction of the iron core on the electromagnet is perpendicular to the axial direction of the screw rod, and the iron core and the handle are located on both sides of the transmission part. The invention can remotely control and realize the mechanical locking of the vehicle door, and has simple structure and high reliability.

Description

Remote isolation device for vehicle door and vehicle door system

technical field

The invention belongs to the technical field of rail transit, and relates to a remote isolation device, in particular to a remote isolation device for a vehicle door and a vehicle door system.

Background technique

Due to the high frequency of use of the subway vehicle door system, failures will inevitably occur during the operation of the subway vehicle. For subway vehicles with extremely high safety requirements, the vehicle door system is absolutely not allowed to be opened during operation. Once the vehicle door system fails, it must be mechanically locked and electrically isolated to make it out of service before the subway vehicle is allowed to continue. run.

The isolation device is an indispensable part of the side door of the passenger compartment of the subway vehicle. At present, most of the isolation devices used in the passenger compartment side door systems of domestic subway vehicles are local isolation devices, that is, the staff reach the position of the faulty door to manually close the faulty door, and then operate the local isolation device to realize the isolation operation. However, finding the faulty car door and performing isolation operations require a certain amount of work and troubleshooting time, which will inevitably cause train delays. In addition, the existing isolating device has complex structure, many parts, easy failure and low reliability.

And with the popularization of unmanned trains, when the vehicle door breaks down, there will be no conductor to perform manual operation, therefore, there is a corresponding potential safety hazard.

Contents of the invention

The purpose of the present invention is to solve the above-mentioned problems in the existing technology, and propose a remote isolation device capable of remote control to realize the mechanical locking of the vehicle door, with a simple structure and high reliability.

The object of the present invention can be achieved through the following technical solutions: a remote isolation device for a vehicle door, comprising:

The bottom plate is equipped with a transmission assembly, and the transmission assembly includes a screw, and a fixed block connected to the end of the screw and rotating synchronously with the screw, wherein the axial direction of the screw is consistent with the length direction of the bottom plate, and The fixed block is provided with a recess;

The isolation assembly is installed on the bottom plate and is located at the same end of the screw rod as the fixed block, wherein the isolation assembly includes an isolation bracket, and a transmission part is rotatably connected to the isolation bracket, and the length direction of the transmission part is aligned with the axis of the screw shaft The direction is consistent, and one end of the transmission part is provided with an insert block, and a convex part matching the concave part is provided on the insert block, and a handle is provided at the other end of the transmission part, and the length direction of the handle is perpendicular to the axial direction of the screw rod ;

The electromagnet assembly is installed on the bottom plate and is located at the same end of the screw rod as the fixed block. The electromagnet assembly includes a mounting plate, and an electromagnet is connected to the mounting plate. The axes of the rods are perpendicular to each other, and the iron core and the handle are located on both sides of the transmission part;

Among them, when the vehicle door is in a normal state, the iron core and the transmission part provided with the handle end form an up and down abutment fit, and the convex part on the insert block is separated from the concave part on the fixed block; when the vehicle door fails, the electromagnetic When the iron is energized, the iron core retracts, releasing the resistance of the iron core to the transmission part, and prompting the transmission part to rotate counterclockwise around the isolation bracket, so that the convex part on the insert block is inserted into the concave part of the fixed block, thereby limiting the rotation of the screw rod. Achieve mechanical isolation of vehicle doors.

In the above-mentioned remote isolating device for vehicle doors, the side of the isolating bracket facing the end of the screw rod extends along the axis of the screw rod to form a first connecting column, and the plug is embedded in the first connecting column, and the The firmware locks the plug in the first connecting column, wherein the isolation bracket extends toward the telescopic direction of the iron core to form a second connecting column, and a spring is nested on the second connecting column, and the transmission part is nested in the second connecting column. on the connecting column, and the movement of the transmission member along the axis direction of the second connecting column is limited by the clip spring.

In the above-mentioned remote isolating device for the vehicle door, the transmission member includes a connecting plate that is rotatably connected with the inserting block through a first rotating shaft, and a rotating block that is rotatably connecting with the connecting plate through a second rotating shaft, wherein the inserting block, the connecting plate and the rotating The blocks are sequentially connected along the axial direction of the screw rod, and the handle is connected to the rotating block, and is perpendicular to the axial direction of the screw rod. Rely on cooperation.

In the above-mentioned remote isolating device for vehicle doors, a micro switch is installed on the side of the isolating bracket opposite to the second connecting column, and an on/off key is arranged on the micro switch, wherein a trigger plate is arranged on the handle , when the contact between the iron core and the rotating block is released, the trigger plate rotates counterclockwise synchronously with the rotating block, so that the trigger plate touches the switch key, prompting the micro switch to send an isolation signal.

In the above-mentioned remote isolation device for the vehicle door, the handle extends along the axis direction of the handle to form a boss, and the diameter of the boss is smaller than the diameter of the handle, wherein the end of the boss connected to the handle is a smooth section, and the boss on the boss The end away from the handle is a threaded section, and the trigger plate is nested in the smooth section, and a handle cover is screwed on the threaded section, and the trigger plate is clamped between the handle and the handle cover, so that the trigger plate can rotate synchronously with the rotating block.

In the above-mentioned remote isolating device for the vehicle door, the protrusion and the trigger plate form a polygonal nesting fit.

In the above-mentioned remote isolating device for the vehicle door, a through hole is provided along the axial direction of the fixed block, and a bar groove extending along the axial direction of the fixed block is arranged on the hole wall of the through hole, and on both sides of the bar groove Each is provided with a first connection hole, wherein the two first connection holes are arranged coaxially, and the recess is arranged on the hole wall of the through hole. When the fixing block is nested on the screw rod, the fastener penetrates In the two first connecting holes, the embracing fit of the fixing block to the screw rod is realized.

In the remote isolating device for the vehicle door described above, a positioning groove is provided on the side wall of the plugging block along the axial direction of the plugging block, and the circumferential degree of freedom of the plugging block in the first connecting column is limited by the positioning slot, wherein, The convex part is arranged on one side of the insert block, and the other side of the insert block extends along the axial direction of the insert block to form two opposite clamping blocks, and an insertion gap of the connecting plate is formed between the two clamping blocks, and the two clamping blocks Each block is provided with a second connecting hole, and the two connecting holes are used as connecting positions of the first rotating shaft.

The present invention also provides a vehicle door system, including the remote isolation device for the vehicle door.

Compared with prior art, the beneficial effect of the present invention:

(1) A remote isolating device for a vehicle door provided by the present invention can be remotely controlled to realize mechanical locking of the vehicle door, and has a simple structure and high reliability.

(2) Through the spring, provide the torque to drive the transmission part to rotate counterclockwise when the iron core is released from contact with the transmission part, so as to ensure that the convex part on the insert block can be reliably inserted into the concave part of the fixed block, so as to limit the screw rod Circumferential degrees of freedom.

(3) The mechanical isolation of the vehicle door is realized through the plug-in cooperation between the convex part of the plug-in block and the concave part of the fixed block, and the transmission of the electrical isolation signal is realized by pressing the switch key on the micro switch through the trigger plate, thus When the vehicle door fails, the synchronous isolation of mechanical isolation and electrical isolation is realized, thereby further improving the reliability of remote isolation of the vehicle door.

Description of drawings

Fig. 1 is a structural schematic diagram of a remote isolating device for a vehicle door in the normal operating state of the vehicle door according to the present invention.

FIG. 2 is a schematic diagram of an enlarged structure at point A in FIG. 1 .

Fig. 3 is a partial structural schematic diagram of the remote isolation device shown in Fig. 1 .

FIG. 4 is a schematic diagram of an enlarged structure at B in FIG. 3 .

Fig. 5 is a schematic structural view of an isolation bracket in a preferred embodiment of the present invention.

Fig. 6 is a schematic structural view of a fixed block in a preferred embodiment of the present invention.

Fig. 7 is a schematic structural diagram of an insert block in a preferred embodiment of the present invention.

Fig. 8 is a schematic diagram of a partial structure of a transmission member in a preferred embodiment of the present invention.

Fig. 9 is a schematic structural diagram of a remote isolating device for a vehicle door in the vehicle door in an isolated state according to the present invention.

FIG. 10 is a schematic diagram of an enlarged structure at point C in FIG. 9 .

Fig. 11 is a partial structural schematic diagram of the remote isolation device shown in Fig. 9 .

FIG. 12 is a schematic diagram of an enlarged structure at D in FIG. 11 .

In the figure, 100, bottom plate; 200, transmission assembly; 210, screw rod; 220, fixed block; 221, recess; 222, through hole; 223, bar groove; 224, first connecting hole; Isolation bracket; 311, first connecting column; 312, second connecting column; 320, transmission member; 321, handle; 322, first rotating shaft; 323, connecting plate; 324, second rotating shaft; 325, rotating block; 326, Protruding column; 327, handle cover; 330, insert block; 331, convex part; 332, positioning groove; 333, clip block; 334, second connection hole; 340, spring; 350, micro switch; 351, switch key; 360, trigger plate; 400, electromagnet assembly; 410, mounting plate; 420, electromagnet; 421, iron core.

detailed description

The following are specific embodiments of the present invention and in conjunction with the accompanying drawings, the technical solutions of the present invention are further described, but the present invention is not limited to these embodiments.

It should be noted that all directional indications (such as up, down, left, right, front, back...) in the embodiments of the present invention are only used to explain the relationship between the components in a certain posture (as shown in the accompanying drawings). Relative positional relationship, movement conditions, etc., if the specific posture changes, the directional indication will also change accordingly.

As shown in Figures 1 to 12, a remote isolation device for a vehicle door provided by the present invention includes:

The bottom plate 100 is equipped with a transmission assembly 200, and the transmission assembly 200 includes a screw rod 210, and a fixed block 220 connected to the end of the screw rod 210 and rotating synchronously with the screw rod 210, wherein the axial direction of the screw rod 210 Consistent with the length direction of the bottom plate 100, and the fixed block 220 is provided with a concave portion 221;

The isolation assembly 300 is installed on the bottom plate 100, and is located at the same end of the screw rod 210 as the fixed block 220, wherein the isolation assembly 300 includes an isolation bracket 310, and a transmission member 320 is rotatably connected to the isolation bracket 310, and the transmission member The length direction of 320 is consistent with the axial direction of screw mandrel 210, and one end of transmission member 320 is provided with inserting block 330, and on inserting block 330, is provided with the convex part 331 that cooperates with recessed part 221, and the other end of transmission member 320 is provided with There is a handle 321, and the length direction of the handle 321 is perpendicular to the axial direction of the screw rod 210;

The electromagnet assembly 400 is installed on the base plate 100, and is located at the same end of the screw rod 210 as the fixed block 220, wherein the electromagnet assembly 400 includes a mounting plate 410, and an electromagnet 420 is connected to the mounting plate 410, the electromagnet The expansion and contraction direction of the iron core 421 on the 420 is perpendicular to the axial direction of the screw rod 210, and the iron core 421 and the handle 321 are located on both sides of the transmission member 320;

Wherein, when the vehicle door is in a normal state, the iron core 421 and the transmission member 320 provided with one end of the handle 321 form an up and down abutting fit, and the convex portion 331 on the insert block 330 is separated from the concave portion 221 on the fixed block 220; When the vehicle door fails, the electromagnet 420 is energized, the iron core 421 is retracted, and the resistance of the iron core 421 to the transmission member 320 is released, so that the transmission member 320 rotates counterclockwise around the isolation bracket 310, so that the protrusion on the insert block 330 331 is inserted into the concave portion 221 of the fixing block 220, so as to limit the rotation of the screw rod 210 and realize the mechanical isolation of the vehicle door.

It is worth mentioning that when the vehicle door breaks down during driving, it is necessary to close the vehicle door again, thereby ensuring that the concave portion 221 on the fixing block 220 and the convex portion 331 on the inserting block 330 are on the same horizontal line. When the electromagnet 420 is energized, the upper and lower contact between the iron core 421 and the transmission part 320 is released, and the transmission part 320 is driven to rotate counterclockwise around the isolation bracket 310, so that the convex part 331 on the insert block 330 is inserted into the concave part 221 of the fixed block 220 Among them, the rotation of the screw rod 210 is limited to realize the mechanical locking of the vehicle door.

After the fault is removed, the electromagnet 420 loses power, the iron core 421 stretches out, and then the transmission part 320 is rotated clockwise through the handle 321 to release the insertion between the convex part 331 on the plug block 330 and the concave part 221 on the fixed block 220 , and complete the abutment fit between the iron core 421 and the transmission member 320 again, so as to realize the unlocking of the screw rod 210 .

The invention provides a remote isolating device for a vehicle door, which can remotely control and realize the mechanical locking of the vehicle door, and has a simple structure and high reliability.

Preferably, the spacer bracket 310 is arranged in an L shape, and the side of the spacer bracket 310 facing the end of the screw rod 210 extends along the axial direction of the screw rod 210 to form a first connecting column 311, and the insert block 330 is embedded in the second In a connecting column 311, in the first connecting column 311 where the insert block 330 is locked by a fastener, wherein the second connecting column 312 is formed on the isolation bracket 310 extending toward the telescopic direction of the iron core 421, and the second connecting column 312 A spring 340 is nested thereon, and the transmission member 320 is nested on the second connecting column 312 , and the movement of the transmission member 320 along the axis direction of the second connecting column 312 is limited by the clip spring.

It is worth mentioning that the spring 340 provides the torque to drive the transmission member 320 to rotate counterclockwise when the iron core 421 is released from contact with the transmission member 320, so as to ensure that the protrusion 331 on the insert block 330 can be reliably inserted into the fixed block 220. In the concave portion 221 , the circumferential freedom of the threaded rod 210 is limited.

Preferably, the transmission member 320 includes a connecting plate 323 that is rotatably connected to the plug 330 through a first rotating shaft 322, and a rotating block 325 that is rotatably connected to the connecting plate 323 through a second rotating shaft 324, wherein the plug 330, the connecting plate 323 and The rotating block 325 is sequentially connected along the axial direction of the screw mandrel 210. The handle 321 is connected to the rotating block 325 and is arranged perpendicular to the axial direction of the screw mandrel 210. When the vehicle door is in a normal state, the iron core 421 and the rotating block 325 One end connected with the handle 321 forms an up and down abutting fit.

Preferably, a micro switch 350 is installed on the side of the isolation bracket 310 opposite to the second connecting column 312, and a switch key 351 is provided on the micro switch 350, wherein a trigger plate 360 is provided on the handle 321, When the contact between the iron core 421 and the rotating block 325 is released, the trigger plate 360 rotates counterclockwise synchronously with the rotating block 325, so that the trigger plate 360 touches the switch key 351, prompting the micro switch 350 to send an isolation signal.

It is worth mentioning that the mechanical isolation of the vehicle door is realized through the plug-in fit between the convex portion 331 of the insert block 330 and the concave portion 221 of the fixed block 220, and the switch key 351 on the micro switch 350 is pressed by the trigger plate 360, The transmission of the electrical isolation signal is realized, thereby realizing the synchronous isolation of the mechanical isolation and the electrical isolation when the vehicle door fails, thereby further improving the reliability of the remote isolation of the vehicle door.

Preferably, a protrusion 326 is formed on the handle 321 extending along the axis of the handle 321, and the diameter of the protrusion 326 is smaller than the diameter of the handle 321, wherein the end of the protrusion 326 connected to the handle 321 is a smooth section, and the protrusion 326 is The end away from the handle 321 is a threaded section, and the trigger plate 360 is nested in the smooth section, and the handle cover 327 is screwed on the threaded section, and the trigger plate 360 is clamped between the handle 321 and the handle cover 327, so that the trigger plate 360 It can rotate synchronously with the rotating block 325 .

It is worth mentioning that the trigger plate 360 is in the shape of a whistle, and the columnar side of the trigger plate 360 is nested with the boss 326 , and the plate-shaped side of the trigger plate 360 is used as the trigger end of the trigger switch key 351 .

Preferably, the protruding post 326 forms a polygonal nesting fit with the trigger plate 360 , so as to limit the circumferential freedom of the trigger plate 360 on the protruding post 326 , and further ensure that the trigger plate 360 can rotate synchronously with the rotating block 325 .

Preferably, the fixed block 220 is arranged in a column shape, a through hole 222 is provided along the axial direction of the fixed block 220, and a bar groove 223 extending along the axial direction of the fixed block 220 is provided on the wall of the through hole 222, and the Both sides of the groove 223 are respectively provided with a first connection hole 224, wherein the two first connection holes 224 are coaxially arranged, and the recess 221 is arranged on the hole wall of the through hole 222, when the fixing block 220 is nested in the wire When the rod 210 is on, the fastening piece penetrates into the two first connection holes 224 to realize the embracing fit of the fixing block 220 to the screw rod 210 , so that the fixing block 220 can rotate synchronously with the screw rod 210 .

Preferably, the insert block 330 is arranged in a column shape, and a positioning groove 332 is provided on the side wall of the insert block 330 along the axial direction of the insert block 330, and the circumferential direction of the insert block 330 in the first connecting column 311 is limited by the positioning groove 332 degree of freedom, wherein the convex portion 331 is arranged on one side of the insert block 330, and the other side of the insert block 330 extends along the axial direction of the insert block 330 to form two oppositely disposed clamping blocks 333, and forms between the two clamping blocks 333 The insertion slot of the connecting plate 323 is provided with a second connecting hole 334 on each of the two clamping blocks 333 , and the two connecting holes are used as connecting positions of the first rotating shaft 322 .

It should be noted that, in the present invention, descriptions involving "first", "second", "one" and so on are only for descriptive purposes, and should not be understood as indicating or implying their relative importance or implicitly indicating The number of technical characteristics. Thus, the features defined as "first" and "second" may explicitly or implicitly include at least one of these features. In the description of the present invention, "plurality" means at least two, such as two, three, etc., unless otherwise specifically defined. The terms "connection" and "fixation" should be interpreted in a broad sense, for example, "fixation" can be a fixed connection, a detachable connection, or an integral body; it can be a mechanical connection or an electrical connection; it can be a direct connection , can also be indirectly connected through an intermediary, and can be an internal communication between two elements or an interaction relationship between two elements, unless otherwise clearly defined. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present invention according to specific situations.

In addition, the technical solutions of the various embodiments of the present invention can be combined with each other, but it must be based on the realization of those skilled in the art. When the combination of technical solutions is contradictory or cannot be realized, it should be considered as a combination of technical solutions. Does not exist, nor is it within the scope of protection required by the present invention.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Those skilled in the art to which the present invention belongs can make various modifications or supplements to the described specific embodiments or adopt similar methods to replace them, but they will not deviate from the spirit of the present invention or go beyond the definition of the appended claims range.

Claims (9)

1. A remote isolating device for a vehicle door, comprising: The bottom plate is equipped with a transmission assembly, and the transmission assembly includes a screw, and a fixed block connected to the end of the screw and rotating synchronously with the screw, wherein the axial direction of the screw is consistent with the length direction of the bottom plate, and The fixed block is provided with a recess; The isolation assembly is installed on the bottom plate and is located at the same end of the screw rod as the fixed block, wherein the isolation assembly includes an isolation bracket, and a transmission part is rotatably connected to the isolation bracket, and the length direction of the transmission part is aligned with the axis of the screw shaft The direction is consistent, and one end of the transmission part is provided with an insert block, and a convex part matching the concave part is provided on the insert block, and a handle is provided at the other end of the transmission part, and the length direction of the handle is perpendicular to the axial direction of the screw rod ; The electromagnet assembly is installed on the bottom plate and is located at the same end of the screw rod as the fixed block. The electromagnet assembly includes a mounting plate, and an electromagnet is connected to the mounting plate. The axes of the rods are perpendicular to each other, and the iron core and the handle are located on both sides of the transmission part; Among them, when the vehicle door is in a normal state, the iron core and the transmission part provided with the handle end form an up and down abutment fit, and the convex part on the insert block is separated from the concave part on the fixed block; when the vehicle door fails, the electromagnetic When the iron is energized, the iron core retracts, releasing the resistance of the iron core to the transmission part, and prompting the transmission part to rotate counterclockwise around the isolation bracket, so that the convex part on the insert block is inserted into the concave part of the fixed block, thereby limiting the rotation of the screw rod. Achieve mechanical isolation of vehicle doors. 2. The remote isolating device for vehicle doors according to claim 1, characterized in that, the side of the isolating bracket facing the end of the screw rod extends along the axial direction of the screw rod to form a first connecting column, and the plug-in block is embedded In the first connecting column, the insert is locked by fasteners, wherein the isolation bracket extends toward the telescopic direction of the iron core to form a second connecting column, and a spring is nested on the second connecting column , and the transmission member is nested on the second connecting column, and the transmission member is limited to move along the axis direction of the second connecting column by the clip spring. 3. The remote isolating device for a vehicle door according to claim 2, wherein the transmission member includes a connecting plate that is rotatably connected with the insert block through a first rotating shaft, and a rotating block that is rotatably connected with the connecting plate through a second rotating shaft, Among them, the inserting block, the connecting plate and the rotating block are sequentially connected along the axial direction of the screw rod, and the handle is connected to the rotating block and arranged perpendicular to the axial direction of the screw rod. When the vehicle door is in a normal state, the iron core and the rotating block The end connected with the handle is formed to abut against and fit up and down. 4. The remote isolating device for vehicle doors according to claim 2, characterized in that a micro switch is installed on the side of the isolating bracket opposite to the second connecting column, and a switch key is arranged on the micro switch, Among them, a trigger plate is set on the handle. When the iron core releases the abutment with the rotating block, the trigger plate rotates counterclockwise synchronously with the rotating block, so that the trigger plate touches the switch key, prompting the micro switch to send isolation. Signal. 5. The remote isolation device for a vehicle door according to claim 4, wherein the handle extends along the axis of the handle to form a boss, and the diameter of the boss is smaller than the diameter of the handle, wherein the boss is connected to the handle One end of the boss is a smooth section, and the end of the boss away from the handle is a threaded section, and the trigger plate is nested in the smooth section, and a handle cover is screwed on the threaded section, and the trigger plate is clamped between the handle and the handle cover, so that The trigger plate can rotate synchronously with the rotating block. 6 . The remote isolating device for vehicle doors according to claim 5 , wherein the protrusion forms a polygonal nesting fit with the trigger plate. 7 . 7. The remote isolating device for a vehicle door according to claim 1, wherein a through hole is provided along the axial direction of the fixed block, and a strip extending along the axial direction of the fixed block is provided on the wall of the through hole. groove, and a first connection hole is provided on both sides of the groove, wherein the two first connection holes are coaxially arranged, and the concave part is arranged on the hole wall of the through hole, when the fixed block is nested in the screw rod When it is put on, the fastening piece penetrates into the two first connecting holes to realize the embracing fit of the fixing block on the screw rod. 8. The remote isolating device for a vehicle door according to claim 3, wherein a positioning groove is provided along the axial direction of the plugging block and on the side wall of the plugging block, and the position of the plugging block on the first connecting column is limited by the positioning groove. The inner circumferential degree of freedom, wherein the convex part is set on one side of the insert block, the other side of the insert block extends along the axial direction of the insert block to form two opposite clamping blocks, and a connecting plate is formed between the two clamping blocks The insertion gap, and a second connection hole is provided on each of the two clamping blocks, and the two connection holes are used as the connection position of the first rotating shaft. 9. A vehicle door system, characterized by comprising the remote isolation device for vehicle doors according to any one of claims 1 to 8.

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