A locking and unlocking device for a through passage

Abstract

The present invention belongs to the technical field of rail transit equipment, and relates to a locking and unlocking device for a through passage, wherein the installation and operation modes have been changed, and the locking components and lock seat components installed on different connectors can be operated remotely, and the lock tongue can also be directly operated. When used indoors, after the locking operation is completed, the cover plate is pressed into the locking hole, and the polygonal protrusion at the rear of the cover plate matches the polygonal core hole of the lock tongue, and the specific position of the lock tongue can be transmitted according to the marking hole set at the head of the cover plate, and the locking situation can be judged; the manufacturing process is simple, the installation is convenient, and the phenomenon of limited frame shape in the past is improved, and the adaptability is strong, which ensures that the connector can meet the safety and reliability requirements of the vehicle during various movements, and realizes the reliable connection of through passages with complex shapes and limited operation of the locking point position, shortens the marshaling time, improves the operation efficiency, and fills the gap that the special-shaped connector and the small space cannot add the quick locking and unlocking device.

Description

Technical field:

[0001] The present invention belongs to the technical field of rail transit equipment, and in particular relates to a locking and unlocking device for a through passage, both ends of which can be quickly unlocked and locked. Background technology:

[0002] The gangway is an internal passageway that allows passengers to walk freely from one car to another in a vehicle and makes them feel safe and comfortable. The frame is one of the important components of the gangway. The locking device is used to connect the main body of the gangway with two vehicles or the gangway itself, and plays the role of fixing the gangway.

[0003] Most of the rapid locking and unlocking in existing rail vehicles are achieved through the linkage of locking rods. For example, Chinese Patent 201810923616.4 discloses a locking mechanism, which includes a locking rod, a lock seat and a plurality of locking rod clamps. The locking rod includes a plurality of branch rods, each of which is arranged in sequence along the axial direction, and the adjacent two branch rods are connected by a flexible coupling; in use, the lock seats are provided on the opposite sides of the door body, and each of the locking rod clamps is installed on the door body. The locking rod passes through a plurality of locking rod clamps, and the two ends of the locking rod can cooperate with the lock seats on the corresponding sides one by one to achieve the opening or locking of the door body. Chinese Patent 201620036184.1 discloses a locking structure with a door lock component protection function, comprising a slot body, a buffer pad and a locking rod; the slot body is fixed to the upper guide rail of the door frame by screws; the buffer pad is arranged at both ends of the slot body; the locking rod is arranged on the upper part of the door leaf; the slot body is P-shaped, comprising a slot body cavity and a mounting plate; a slot is provided on the downward surface of the slot body cavity; the slot width is smaller than the diameter of the locking rod; the buffer pad comprises an inlay portion and a buffer portion; the inlay portion of the buffer pad is embedded in the slot body cavity; the locking rod can only be locked when the door leaf is in the open and closed positions. Chinese Patent No. 201620786766.1 discloses a locking device, which is arranged on the end walls at the front and rear ends of a container, and includes a lock assembly and a rotating assembly. The lock assembly includes a first connecting rod and a lock head. The lock head is a hook structure, and the lock head is installed on the first connecting rod. The rotating assembly is used to drive the first connecting rod to rotate; a locking rod is preset on the top wall or the two side walls of the container, and when the first connecting rod rotates, it can drive the lock head to hook or detach from the locking rod to lock or unlock the corresponding top wall and the side wall. Chinese Patent No. 201310627099.3 discloses a railway freight car bottom door lock, comprising a lock seat, a lock core inserted on the lock seat, a baffle inserted at one end of the lock core and a lock bolt matched with the lock core; the lock seat comprises at least one annular side plate, the side plate is provided with a first through hole and a second through hole; the lock core comprises a lock rod and a lock head, a limiting step is provided between the lock rod and the lock head, the lock rod is inserted in the first through hole, the lock head is inserted in the second through hole, a spring is inserted on the lock rod, and a limiting step is provided at the end of the lock rod The lock head is a wedge-shaped block, the two ends of the spring respectively abut against the inner side of the side plate and the limit step, and the end of the lock head is wedge-shaped; the baffle is arranged between the limit block and the lock seat, and at least a part of the baffle is cantilevered outward relative to the lock seat; the lock bolt comprises a lock column, a connecting rod and a handle connected end to end, the handle is fixedly connected to the connecting rod, the lock column is hinged to the connecting rod, a wedge block is provided on one side of the lock column, and the wedge block cooperates with the end of the lock head; the angle between the handle and the connecting rod is an obtuse angle; the angle between the connecting rod and the lock column is a right angle.It has high requirements on the shape of the frame. A through-passage structure with a more complex frame or limited operation cannot use this type of locking rod linkage mechanism. Therefore, there is an urgent need for a new locking mechanism that meets the requirements of various working conditions and is used for through-passages with complex shapes and limited operation of the locking point position. Summary of the invention:

[0004] The purpose of the present invention is to overcome the shortcomings of the prior art and provide a locking and unlocking device for a through passage to meet the use requirements of a through passage with a complex appearance and limited operation of the locking point position.

[0005] In order to achieve the above-mentioned purpose, the main structure of the locking and unlocking device for a through passage involved in the present invention includes a locking component, a lock seat component and a lock cover component. The locking component and the lock cover component are arranged on one connecting body, and the lock seat component is arranged on another connecting body.

[0006] The main structure of the locking component involved in the present invention includes a locking body, a locking body mounting hole, a lock tongue hole, a positioning hole, a lock tongue and a lock cover plate; a locking body mounting hole, a lock tongue hole and a positioning hole are opened at one end of the locking body, a horizontal plate of the locking body is connected to one end of the lock tongue, and the other end of the lock tongue is connected to the locking body through the lock cover plate.

[0007] The main structure of the lock seat involved in the present invention includes a lock seat body, a lock seat body mounting hole, a lock tongue matching hole, a positioning pin hole, a stopper and a positioning pin; a lock seat body mounting hole, a lock tongue matching hole and a positioning pin hole are opened at one end of the lock seat body, a stopper is arranged in the lock tongue matching hole, and a positioning pin is arranged in the positioning pin hole.

[0008] The main structure of the lock cover involved in the present invention includes a lock cover body, a lock cover body mounting hole, a locking hole, a positioning groove, a marking groove, a cover plate, a marking hole and a stopper; the lock cover body is provided with a lock cover body mounting hole, a locking hole and a positioning groove, and the lock cover body is provided with a marking groove.

[0009] The locking component, the lock seat component and the lock cover component of the present invention are respectively connected with the connecting body through fasteners.

[0010] The invention relates to a locking body in which sealing elements are arranged between the horizontal plate and the locking tongue and between the locking tongue and the lock cover plate; the locking tongue is provided with a tongue valley; and the locking hole is connected with the positioning groove.

[0011] The locking body and the lock cover plate as well as the lock seat body and the positioning pin involved in the present invention are connected respectively through fasteners.

[0012] The locking hole of the present invention is provided with a cover plate, a marking hole is opened at the edge of the cover plate, and a stopper is provided in the middle of the cover plate.

[0013] Compared with the prior art, the present invention has changed the installation mode and operation mode. The locking components and lock seat components installed on different connectors can be operated remotely, and the lock tongue can also be directly operated. When used indoors, the cover plate is pressed into the locking hole after the locking operation is completed. The polygonal protrusion on the rear of the cover plate matches the polygonal core hole of the lock tongue. The specific position of the lock tongue can be transmitted according to the marking hole set on the head of the cover plate, and the locking situation can be judged. The setting of the block and the positioning groove can ensure the correct installation and use of the lock seat component and the lock cover component, realize reliable locking and connection, reduce the maintenance and replacement costs, and extend the service life of the product. The lock cover can be optional according to the needs; the manufacturing process is simple, the installation is convenient, the phenomenon of the previous frame shape being limited is improved, the adaptability is strong, and it is ensured that the connector can meet the safety and reliability requirements of the vehicle during various movements, and the reliable connection of the through-passage with complex shape and limited operation of the locking point position is realized, which greatly shortens the marshaling time, improves the operation efficiency, and fills the gap that the special-shaped connector and the small space cannot add a quick locking and unlocking device. The application field is broad, the market potential is huge, and the economic benefits are considerable. Description of the drawings:

[0014] Figure 1 The present invention is a schematic diagram of the main structural principle of the locking component.

[0015] Figure 2 The present invention is a side view of the main structure of the locking assembly.

[0016] Figure 3 The present invention is a cross-sectional view of the main structure of the locking component.

[0017] Figure 4 The present invention is an exploded view of the main structure of the locking component.

[0018] Figure 5 The present invention is a schematic diagram of the main structural principle of the lock seat.

[0019] Figure 6 The present invention is a side view of the main structure of the lock seat assembly.

[0020] Figure 7 The present invention is a cross-sectional view of the main structure of the lock seat.

[0021] Figure 8 The present invention is an exploded view of the main structure of the lock seat.

[0022] Fig. 9 The present invention is a schematic diagram of the main structural principle of the lock cover body.

[0023] Fig.10 It is a cross-sectional view along the AA direction of the main structure of the lock cover body involved in the present invention.

[0024] Fig.11 It is a cross-sectional view of the main structure of the lock cover body involved in the present invention along the BB direction.

[0025] Fig.12 The figure is a schematic diagram of the main structural principle of the cover plate involved in the present invention.

[0026] Fig.13 The figure is a cross-sectional view of the main structure of the cover plate involved in the present invention.

[0027] Fig.14 This is a schematic diagram of the unlocking state when the present invention is used.

[0028] Fig.15 This is a schematic diagram of the locked state when the present invention is used. Specific implementation method:

[0029] The present invention will be further described below by way of embodiments in conjunction with the accompanying drawings.

[0030] Embodiment 1:

[0031] The main structure of the through-passage locking and unlocking device involved in this embodiment includes a locking component 1, a lock seat component 2 and a lock cover component 3. The locking component 1 and the lock cover component 3 are arranged on a connecting body 100, and the lock seat component 2 is arranged on another connecting body 100. The locking component 1, the lock seat component 2 and the lock cover component 3 are respectively connected to the connecting body 100 through a fastener 4; the main structure of the locking component 1 includes a locking body 11, a locking body mounting hole 12, a lock tongue hole 13, a positioning hole 14, a lock tongue 15, a lock cover plate 16, a sealing member 17 and a tongue valley 18; the vertical plate of the locking body 11 of the bending structure is provided with more than 2 even-numbered circular locking body mounting holes 12, A rectangular bolt hole 13 and a circular positioning hole 14, the locking body mounting holes 12 are located at both ends, the bolt hole 13 is located in the middle, the positioning hole 14 is located between the locking body mounting hole 12 and the bolt hole 13, the horizontal plate of the locking body 11 is connected with the bolt 15, and a lock cover plate 16 is arranged on the bolt 15. A sealing member 17 is arranged between the horizontal plate of the locking body 11 and the bolt 15 and between the bolt 15 and the lock cover plate 16. The horizontal plate of the locking body 11 is connected with the lock cover plate 16 by a fastener 4, and a tongue valley 18 is arranged on the bolt 15; the main structure of the lock seat assembly 2 includes a lock seat body 21, a lock seat body mounting hole 22, a bolt matching hole 23, a positioning pin hole 24, and a stopper 2 5 and positioning pin 26; the vertical plate of the lock seat body 21 of the bent structure is provided with more than two even-numbered circular lock seat body mounting holes 22, a rectangular lock tongue matching hole 23 and a circular positioning pin hole 24, the lock seat body mounting holes 22 are located at both ends, the lock tongue matching hole 23 is located in the middle, the positioning pin hole 24 is located between the lock seat body mounting hole 22 and the lock tongue matching hole 23, the lock tongue matching hole 23 is provided with a stopper 25 of a mirror-symmetrical raised structure, the positioning pin hole 24 is provided with a positioning pin 26, and the vertical plate of the lock seat body 21 is connected to the positioning pin 26 by a fastener 4; the main structure of the lock cover component 3 includes a lock cover body 31, a lock cover body mounting hole 32, a lock A closing hole 33, a positioning groove 34, a marking groove 35, a cover plate 36, a marking hole 37 and a stopper 38; the rectangular plate-shaped lock cover body 31 is provided with more than two even-numbered circular lock cover body mounting holes 32, one circular locking hole 33 and one rectangular positioning groove 34, the locking hole 33 is connected to the positioning groove 34, a triangular marking groove 35 is provided between the lock cover body mounting hole 32 and the positioning groove 34 on the central axis of the lock cover body 31, a mushroom-shaped cover plate 36 is provided in the locking hole 34, a triangular marking hole 37 is provided on the edge of the umbrella-shaped part of the cover plate 36, and a stopper 38 is provided at the intersection of the umbrella-shaped part and the columnar part of the cover plate 36.

[0032] The cover plate 36 involved in this embodiment can be configured or not configured according to actual usage.

[0033] The bosses arranged on both sides of the lock tongue 15 involved in this embodiment are connected to the lock body 11 and the lock cover plate 16 through the seal 17. The lock body 11 and the lock cover plate 16 clamp the lock tongue 15 through the fastener 4. The rebound force of the seal 17 can make the lock tongue 15 stay in any position. The tongue valley 18 arranged on the lock tongue 15 can effectively prevent the lock tongue 15 from being accidentally opened. The structure with double-sided force can withstand greater rebound force; the lock seat body 21 with a double stop head 25 structure can reduce the shape of the lock seat body 21 to adapt to a smaller space. The locating pin 26 on the lock seat body 21 can be cast as one piece with the lock seat body 21, or it can be made into a separate body and connected by the fastener 4.

[0034] The locking and unlocking device for the through passage involved in this embodiment can also be equipped with a locking rod under the condition that the use space is not limited. A polygonal protrusion is set at the rear of the locking rod to match the polygonal core hole of the lock tongue 15, and a mark is set on the head of the locking rod to convey the specific position of the lock tongue 15 to determine the locking status.

[0035] When the locking and unlocking device for the through passage involved in this embodiment is used, the locking component 1 and the lock cover component 3 are connected to one connecting body 100 by the fastener 4, and the lock seat component 2 is connected to the other connecting body 100 by the fastener 4. Nylon parts 5 are arranged on the contact surfaces of the two connecting bodies 100. The damping part 5 can not only seal the gap between the connecting bodies 100, but also ensure the pre-tightening force after the tongue valley 18 on the lock tongue 15 and the stop head 25 on the lock seat body 21 are tightened, so as to prevent the connecting body 100 from being accidentally opened; the lock tongue 15 is driven to rotate directly or through the lock rod and cooperate with the stop head 25 to realize the tightening and releasing of the two connecting bodies 100, thereby realizing the locking and unlocking of the two connecting bodies 100; when the marking groove 35 is aligned with the marking hole 37, it means that the locking is completed, and the judgment method is simple, intuitive and effective; the installation occasion is not limited by the appearance of the connecting body 100, so as to ensure that the connecting body 100 can meet the safety and reliability of the vehicle during various movements.

Claims

1. A locking and unlocking device for a through passage, characterized in that: The main structure includes a locking component, a lock seat component and a lock cover component. The locking component and the lock cover component are arranged on a connecting body, and the lock seat component is arranged on another connecting body. The main structure of the locking component includes a locking body, a locking body mounting hole, a lock tongue hole, a positioning hole, a lock tongue and a lock cover plate; a locking body mounting hole, a lock tongue hole and a positioning hole are opened at one end of the locking body, the cross plate of the locking body is connected to one end of the lock tongue, and the other end of the lock tongue is connected to the locking body through the lock cover plate, and the main structure of the lock seat component includes a lock seat body, a lock seat body mounting hole, a lock tongue matching hole, a positioning pin hole, a stopper and a positioning pin; a lock seat body mounting hole, a lock tongue matching hole and a positioning pin hole are opened at one end of the lock seat body, a stopper is arranged in the lock tongue matching hole, and a positioning pin hole is arranged The main structure of the lock cover comprises a lock cover body, a lock cover body mounting hole, a locking hole, a positioning groove, a marking groove, a cover plate, a marking hole and a stopper; the lock cover body is provided with a lock cover body mounting hole, a locking hole and a positioning groove, the lock cover body is provided with a marking groove, and seals are provided between the cross plate of the lock body and the lock tongue and between the lock tongue and the lock cover plate; the lock tongue is provided with a tongue valley; the locking hole is connected to the positioning groove, the cover plate is provided in the locking hole, the edge of the cover plate is provided with a marking hole, and the middle of the cover plate is provided with a stopper. Under the condition that the use space is not limited, a locking rod is selected to be configured, a polygonal protrusion is provided at the rear of the locking rod to match the polygonal core hole of the lock tongue, and a mark is provided on the head of the locking rod to transmit the specific position of the lock tongue to judge the locking situation.

2. The through-passage locking and unlocking device according to claim 1, characterized in that: The locking component, the lock seat component and the lock cover component are respectively connected to the connecting body through fasteners.

3. The locking and unlocking device for a through passage according to claim 2, characterized in that: The locking body and the lock cover plate, and the lock seat body and the positioning pin are connected respectively through fasteners.

4. The through-passage locking and unlocking device according to claim 2 or 3, characterized in that: The bosses arranged on both sides of the lock tongue are connected to the lock body and the lock cover plate through a seal. The lock body and the lock cover plate clamp the lock tongue through a fastener. The rebound force of the seal can make the lock tongue stay in any position.

5. The through-passage locking and unlocking device according to claim 2 or 3, characterized in that: When in use, the locking assembly and the lock cover assembly are connected to one connecting body through fasteners, and the lock seat assembly is connected to the other connecting body through fasteners. Damping elements are arranged on the contact surfaces of the two connecting bodies. The damping elements can not only seal the gap between the connecting bodies, but also ensure the pre-tightening force after the tongue valley on the lock tongue and the stop head on the lock seat body are tightened, so as to prevent the connecting bodies from being opened accidentally; the lock tongue is driven to rotate directly or through the lock rod and cooperate with the stop head to realize the tightening and releasing of the two connecting bodies, thereby realizing the locking and unlocking of the two connecting bodies; when the marking groove and the marking hole are aligned with each other, it means that the locking is completed.

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