A locking and unlocking device for rail transit equipment and its through passage

Abstract

The present invention discloses a rail transit equipment and a locking and unlocking device for a through passage thereof, which can connect a locking mechanism or a lock seat mechanism with the help of an existing connector or a vehicle body, without having to set up a connector separately, thereby reducing parts and reducing maintenance costs. The simple structural design of the present invention greatly reduces the cost of repair and replacement, and prolongs the service life of the product; its manufacturing process is simple, and it is easy to install, which improves the phenomenon of limited frame shape in the past, has strong adaptability, and 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, greatly shortening the marshaling time, improving the operating efficiency, and filling the gap of special-shaped connectors and small spaces that cannot add quick locking and unlocking devices. It has a wide range of applications, huge market potential, and considerable economic benefits.

Description

Technical Field

[0001] The present invention relates to the technical field of rail transit equipment, and in particular to a rail transit equipment and a locking and unlocking device for a through passage thereof. Background Art

[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. It has high requirements on the shape and structure of the frame, and such mechanisms cannot be used for complex or limited-operation tunnel structures. Therefore, there is an urgent need for a new locking device that can meet various working conditions and is used for tunnels with complex shapes, limited operation of the locking point position, and where a frame cannot be set. Summary of the invention

[0004] The object of the present invention is to provide a locking and unlocking device for rail transit equipment and a throughway thereof, so as to meet the use requirements of throughways with complex shapes, limited operation of locking point positions and inability to set a frame.

[0005] In order to achieve the above-mentioned purpose of the invention, the locking and unlocking device for a through passage provided by the present invention is implemented by the following technical scheme:

[0006] A locking and unlocking device for a through passage, comprising a locking mechanism and a lock seat mechanism:

[0007] The locking mechanism comprises:

[0008] A locking body, used to connect the first connecting body, the locking body comprising a U-shaped vertical plate, the U-shaped vertical plate comprising a first plate and a second plate and a third plate connected to the first plate, the first plate is provided with a lock tongue hole and a positioning hole, and the second plate and the third plate are both provided with mounting grooves;

[0009] A locking tongue, comprising an end shaft, wherein the end shaft is rotatably mounted in the mounting groove;

[0010] A lock cover plate, which is fixedly connected to the locking body and is used to restrict the end shaft within the mounting groove;

[0011] A damping member, which is sleeved on the end shaft;

[0012] The locking mechanism comprises:

[0013] A lock seat body, used for connecting to a second connector;

[0014] A positioning column, provided on the lock seat body, and used for cooperating with the positioning hole to achieve positioning;

[0015] The stopper is arranged on the lock seat body and is used to cooperate with the lock tongue after passing through the lock tongue hole. The lock tongue rotates to realize the locking and unlocking of the stopper.

[0016] The locking and unlocking device for a through passage as described above, wherein the locking tongue comprises:

[0017] Connecting part;

[0018] A first locking tongue portion and a second locking tongue portion are respectively located at two ends of the connecting portion, and the first locking tongue portion and the second locking tongue portion are arranged opposite to each other;

[0019] A locking hole, formed between the first locking tongue portion and the second locking tongue portion, for allowing the stopper to enter the locking tongue;

[0020] A first locking portion and a second locking portion, wherein the first locking portion is located on an opposite surface of the first locking tongue portion and the second locking tongue portion, and the second locking portion is located on an opposite surface of the second locking tongue portion and the first locking tongue portion, and the first locking portion and the second locking portion are used to lock the stop head, and a gap is formed between the first locking portion and the second locking portion to accommodate part of the lock seat body, and the gap is connected to the locking hole.

[0021] As described above, in the locking and unlocking device for a through passage, the first locking portion and the second locking portion have an introduction groove and a locking groove formed inside thereof.

[0022] In the locking and unlocking device for a through passage as described above, one end of the locking groove is connected to the connecting portion, and a tongue peak is provided at a portion where the other end of the locking groove is connected to the introduction groove.

[0023] As described above, in the locking and unlocking device for a through passage, the free ends of the first locking stop part and the second locking stop part form a locking stop, and a limiting block is provided in the lock tongue hole.

[0024] As described above, the locking and unlocking device for a through passage is provided with a core hole and a first marking groove on the locking tongue, and a second marking groove is provided on the locking body. When the first marking groove and the second marking groove overlap, the locking of the locking tongue and the stop head is completed.

[0025] In the locking and unlocking device for a through passage as described above, two positioning holes are formed on the first plate, and the lock tongue hole is located between the two positioning holes; two positioning posts are provided on the lock seat body, and the stopper is located between the two positioning posts.

[0026] In the locking and unlocking device for a through passage as described above, the lock seat body, the positioning column and the blocking head are in an M shape.

[0027] In the locking and unlocking device for a through passage as described above, the first connecting body has a through hole for exposing the locking tongue hole and the positioning hole, and a sealing buffer pad is provided between the first connecting body and the second connecting body.

[0028] A rail transit equipment comprises the above-mentioned locking and unlocking device for a through passage.

[0029] Compared with the prior art, the advantages and positive effects of the present invention are: the locking and unlocking device for the through-passage of the present invention can be connected to the locking mechanism or the lock seat mechanism by means of the existing connector or the vehicle body, and there is no need to set up a connector separately, so as to reduce the parts and reduce the maintenance cost. The simple structural design of the present invention greatly reduces the maintenance and replacement costs and prolongs the service life of the product; its manufacturing process is simple and easy to install, which improves the phenomenon of the previous limited frame shape, has strong adaptability, and ensures that the connector can meet the safety and reliability requirements of the vehicle during various movements, and realizes the reliable connection of the through-passage with complex shape and limited operation of the locking point position, greatly shortens the marshaling time, improves the operating efficiency, fills the gap of special-shaped connectors and small space that cannot add quick locking and unlocking devices, has a wide range of applications, huge market potential, and considerable economic benefits.

[0030] After reading the specific embodiments of the present invention in conjunction with the accompanying drawings, other features and advantages of the present invention will become more clear. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] Figure 1 , 2 It is an exploded view of the main structure of the locking and unlocking mechanism of the present invention.

[0032] Figure 3 It is a front view of the main structure of the lock tongue of the present invention.

[0033] Figure 4 It is a side view of the main structure of the lock tongue of the present invention.

[0034] Figure 5 It is a cross-sectional view of the main structure of the lock tongue of the present invention.

[0035] Figure 6 , 7 It is a 3D schematic diagram of the main structure of the lock tongue of the present invention.

[0036] Figure 8 , 9 It is an exploded view of the main structure of the lock seat mechanism of the present invention.

[0037] Fig.10 It is a schematic diagram of the relative position of the locking mechanism and the lock seat mechanism of the present invention when they are separated.

[0038] Fig.11It is a schematic diagram of the relative position relationship between the locking mechanism and the lock seat mechanism of the present invention before locking.

[0039] Fig.12 It is a schematic diagram of the relative position relationship between the locking mechanism and the lock seat mechanism of the present invention after locking.

[0040] Fig.13 , 14 It is a schematic diagram of the locking mechanism and the lock seat mechanism of the present invention after being fixed and before being connected.

[0041] Fig.15 It is a schematic diagram of the locking mechanism and the lock seat mechanism of the present invention after being fixed and before being locked.

[0042] Fig.16 It is a schematic diagram of the locking mechanism and the lock seat mechanism of the present invention after being fixed and locked. DETAILED DESCRIPTION

[0043] The technical solution of the present invention is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0044] A locking and unlocking device for a through passage comprises a locking mechanism 1 and a locking seat mechanism 2. The locking mechanism 1 is arranged on a first connecting body 1001, and the locking seat mechanism 2 is arranged on a second connecting body 1002.

[0045] Specifically, the locking mechanism 1 is connected to the first connecting body 1001 through the fastener 4, and the lock seat mechanism 2 is connected to the second connecting body 1002 through the anti-loosening pad 8 and the positioning pin shaft 26.

[0046] The locking mechanism 1 comprises a locking body 11 , a locking body mounting hole 12 , a locking tongue hole 13 , a limiting block 113 , a positioning hole 14 , a locking tongue 15 , a locking cover plate 16 , a damping member 17 and a fastener 4 .

[0047] The locking body 11 is used to connect the first connecting body 1001. The locking body 11 includes a U-shaped vertical plate. The U-shaped vertical plate includes a first plate 1111 and a second plate 1112 and a third plate 1113 connected to the first plate 1111. The second plate 1112 and the third plate 1113 are arranged opposite to each other. Preferably, the two are arranged in parallel, and the second plate 1112 and the third plate 1113 are both perpendicular to the first plate 1111.

[0048] The first plate 1111 is provided with more than two even-numbered circular locking body mounting holes 12 , one rectangular locking tongue hole 13 , one limiting block 113 and two circular positioning holes 14 .

[0049] Two positioning holes 14 are defined in the first plate 1111 , and the bolt hole 13 is located between the two positioning holes 14 .

[0050] The locking body mounting hole 12 is located at both ends of the first plate 1111, the lock tongue hole 13 is located in the middle of the first plate 1111, the positioning hole 14 is located between the locking body mounting hole 12 and the lock tongue hole 13, and a limit block 113 is provided in the lock tongue hole 13, and the limit block 113 is located between the lock tongue hole 13 and a positioning hole 14.

[0051] The second plate 1112 and the third plate 1113 are both provided with mounting grooves 111 , and the mounting grooves 111 are connected to the end shafts 159 provided at the ends of the locking tongues 15 .

[0052] The locking tongue 15 includes an end shaft 159 , and the end shaft 159 is rotatably mounted in the mounting groove 111 .

[0053] Specifically, the lock tongue 15 also includes:

[0054] The connecting portion 1500 is used to connect the first locking tongue portion 1501 and the second locking tongue portion 1502 .

[0055] The first locking tongue portion 1501 and the second locking tongue portion 1502 are respectively located at two ends of the connecting portion 1500, and the first locking tongue portion 1501 and the second locking tongue portion 1502 are arranged opposite to each other. Generally, the first locking tongue portion 1501 and the second locking tongue portion 1502 are perpendicular to the connecting portion 1500, and the shapes of the first locking tongue portion 1501 and the second locking tongue portion 1502 are circular or nearly circular.

[0056] A locking hole 153 is formed between the first locking tongue portion 1501 and the second locking tongue portion 1502 and is used for the stopper 211 of the lock seat mechanism 2 to enter the locking tongue 15;

[0057] The first locking portion 15011 and the second locking portion 15022, the first locking portion 15011 is located on the opposite surface of the first locking tongue portion 1501 and the second locking tongue portion 1502, the second locking portion 15022 is located on the opposite surface of the second locking tongue portion 1502 and the first locking tongue portion 1501, the first locking portion 15011 and the second locking portion 15022 are used to lock the blocking head 211, and a gap 1503 for accommodating part of the lock seat body 21 is formed between the first locking portion 15011 and the second locking portion 15022, and the gap 1503 is connected to the locking hole 153.

[0058] The first locking block 15011 and the second locking block 15022 form an introduction groove 154 and a locking groove 156 on their inner sides. Both the introduction groove 154 and the locking groove 156 cooperate with the stopper 211, and the stopper 211 can slide in the introduction groove 154 and finally be positioned in the locking groove 156.

[0059] One end of the locking groove 156 is connected to the connecting portion 1500 , and a tongue peak 155 is provided at a position where the other end of the locking groove 156 is connected to the introduction groove 154 .

[0060] The free ends of the first locking stopper 15011 and the second locking stopper 15022 form a locking stopper 158, and a limit block 113 is provided in the lock tongue hole 13. The open position of the lock tongue 15 is determined by the locking stopper 158 formed by the free ends of the first locking stopper 15011 and the second locking stopper 15022 contacting and limiting the limit block 113, ensuring that the stopper 211 can be smoothly pulled out and inserted from the locking hole 153.

[0061] The lock tongue 15 is provided with a core hole 151 and a first marking groove 152 , and the lock body 11 is provided with a second marking groove 112 . When the first marking groove 152 and the second marking groove 112 overlap, the lock tongue 15 and the stopper 211 are locked.

[0062] The end of the lock tongue 15 involved in the present embodiment is provided with an end shaft 159, and the end face of one side end shaft 159 is provided with a core hole 151 and a first marking groove 152, the front end of the lock tongue 15 is provided with a locking hole 153 provided with an introduction groove 154, a locking groove 156 and a tongue peak 155, and the locking hole 153 is provided with a symmetrical locking stop 158 outside; the two end shafts 159 of the lock tongue 15 are connected with the locking body 11 and the lock cover plate 16 through the damping member 17, and the lock body 11 and the lock cover plate 16 clamp the lock tongue 15 through the fastener 4, the rebound force of the damping member 17 can make the lock tongue 15 stay at any position, and the tongue peak 155 set on the lock tongue 15 can effectively prevent the lock tongue 15 from being accidentally opened, and the structure with force on both sides can withstand greater rebound force.

[0063] The lock cover plate 16 is fixedly connected to the lock body 111 to restrict the end shaft 159 in the installation groove 111 .

[0064] Specifically, lock cover plate mounting holes 3 are opened at the ends of the second plate 1112 and the third plate 1113 of the locking body 11, and the lock cover plate 16 is provided with a mounting hole 161. The lock cover plate 16 and the locking body 11 are fixedly connected by fasteners 4 to radially fix the lock tongue 15.

[0065] The damping member 17 is sleeved on the end shaft 159, the mounting groove 111 is connected to the end shaft 159 and separated by the damping member 17 to play a damping role; the locking body 11 and the lock cover plate 16 are connected to the lock tongue 15 through the damping member 17 and the fastener 4.

[0066] Preferably, a groove 157 is provided on the end shaft 159 for accommodating the damping member 17 to improve the stability of the damping member 17 .

[0067] The lock seat mechanism 2 includes a lock seat body 21 , an anti-loosening pad 8 and a positioning pin shaft 26 .

[0068] The lock seat body 21 is used to connect the second connecting body 1002. The end of the lock seat body 21 is provided with a lock seat body mounting hole 22, a positioning column 212 and a stopper 211.

[0069] The positioning column 212 is disposed on the lock seat body 21 and is used to cooperate with the positioning hole 14 to achieve positioning.

[0070] The stopper 211 is disposed on the lock seat body 21 and is used to pass through the lock tongue hole 13 and cooperate with the lock tongue 15 . The lock tongue 15 rotates to achieve locking and unlocking of the stopper 211 .

[0071] Preferably, two positioning posts 212 are provided on the lock seat body 21 , and the stopper 211 is located between the two positioning posts 212 .

[0072] The lock base body 21 , the positioning column 212 and the stopper 211 are in an M shape.

[0073] The vertical plate of the M-shaped lock seat body 21 is provided with more than two even-numbered circular lock seat body mounting holes 22 and a T-shaped stopper 211. The lock seat body mounting holes 22 are located at both ends, and the T-shaped stopper 211 is located in the middle. A positioning pin shaft 26 is provided in the lock seat body mounting hole 22.

[0074] The lock seat body 21 is connected together through the anti-loosening pad 8 and the positioning pin shaft 26; the lock seat mechanism 2 is connected to the second connecting body 1002 through the anti-loosening pad 8 and the positioning pin shaft 26, and the positioning pin shaft 26 is provided with a thread.

[0075] The lock seat body 21 involved in this embodiment is provided with a T-shaped stopper 211 at the head. The stopper 211 is a symmetrical double stopper structure, which can reduce the appearance of the lock seat body 21 to adapt to a smaller space. The positioning pin shaft 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 a fastener 4.

[0076] The first connecting body 1001 has a through hole 1003 for exposing the bolt hole 13 and the positioning hole 14 . A sealing buffer pad 5 is arranged between the first connecting body 1001 and the second connecting body 1002 .

[0077] The new 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 transmit the specific position of the lock tongue 15 to determine the locking situation and realize remote operation.

[0078] When the new locking and unlocking device for the through passage involved in this embodiment is used, the locking mechanism 1 is connected to the first connecting body 1001 through the fastener 4, and the lock seat mechanism 2 is connected to the second connecting body 1002 through the anti-loosening pad 8 and the positioning pin shaft 26. A sealing buffer pad 5-rubber piece is set on the contact surface of one connecting body, and a sealing buffer pad 5 can also be set on the contact surface of the two connecting bodies. The sealing buffer pad 5 can not only seal the gap between the two connecting bodies, but also ensure that the tongue peak 155 on the lock tongue 15 and the stopper 211 on the lock seat body 21 are pulled After tightening, a rebound force is generated to prevent the connector from opening accidentally; the lock tongue 15 is driven to rotate directly or through the locking rod through the polygonal core hole 151 of the lock tongue 15 and cooperates with the stop head 211 to achieve the tightening and release of the two connectors, thereby achieving the locking and unlocking of the two connectors; when the first marking groove 152 of the lock tongue 15 is aligned with the second marking groove 112 of the locking body 11, it means that the locking is completed, and the judgment method is simple, intuitive and effective; the installation occasion is not limited by the shape of the connector, ensuring that the connector can meet the safety and reliability of the vehicle during various movements.

[0079] This embodiment can realize remote operation of the locking mechanism and the lock seat mechanism installed on different connectors, and can also directly operate the lock tongue. The core hole (or core shaft) with a polygonal depression (or protrusion) at the end of the lock tongue can be matched as needed, and the set marking groove can accurately transmit the specific position of the lock tongue. The setting of the introduction groove, locking groove and tongue peak of the lock tongue can ensure the correct use of the locking mechanism and the lock seat mechanism, achieve reliable locking and connection, and prevent accidental opening; the setting of the positioning column, anti-loosening pad and positioning pin shaft can not only ensure the correct docking of the lock seat mechanism and the locking mechanism, but also prevent the lock seat mechanism from loosening.

[0080] This embodiment also provides a rail transit equipment, which includes the above-mentioned locking and unlocking device for the through passage.

[0081] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit the same. Although the present invention has been described in detail with reference to the aforementioned embodiments, it is still possible for a person skilled in the art to modify the technical solutions described in the aforementioned embodiments, or to replace some of the technical features therein by equivalents. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions claimed to be protected by the present invention.

Claims

1. A locking and unlocking device for a through passage, characterized in that: It comprises a locking mechanism (1) and a locking seat mechanism (2): The locking mechanism (1) comprises: A locking body (11) for connecting to a first connecting body (1001), the locking body (11) comprising a U-shaped vertical plate, the U-shaped vertical plate comprising a first plate (1111) and a second plate (1112) and a third plate (1113) connected to the first plate (1111), the first plate (1111) being provided with a locking tongue hole (13) and a positioning hole (14), and the second plate (1112) and the third plate (1113) being provided with mounting grooves (111); A lock tongue (15), comprising an end shaft (159), wherein the end shaft (159) is rotatably mounted in the mounting groove (111), and a core hole (151) or a core shaft is provided on the lock tongue (15); A lock cover plate (16) fixedly connected to the locking body (11) and used to restrict the end shaft (159) within the mounting groove (111); A damping member (17) mounted on the end shaft (159); The locking seat mechanism (2) comprises: A lock seat body (21), used for connecting to a second connecting body (1002); A positioning column (212) is provided on the lock seat body (21) and is used to cooperate with the positioning hole (14) to achieve positioning; A stopper (211) is disposed on the lock seat body (21) and is used to pass through the lock tongue hole (13) and then cooperate with the lock tongue (15). The lock tongue (15) rotates to achieve locking and unlocking of the stopper (211).

2. The through-passage locking and unlocking device according to claim 1, characterized in that: The locking tongue (15) comprises: Connector (1500); A first locking tongue portion (1501) and a second locking tongue portion (1502) are respectively located at two ends of the connecting portion (1500), and the first locking tongue portion (1501) and the second locking tongue portion (1502) are arranged opposite to each other; A locking hole (153) formed between the first locking tongue portion (1501) and the second locking tongue portion (1502), and used for allowing the blocking head (211) to enter the locking tongue (15); A first locking portion (15011) and a second locking portion (15022), wherein the first locking portion (15011) is located on an opposite surface of the first locking tongue portion (1501) and the second locking tongue portion (1502), and the second locking portion (15022) is located on an opposite surface of the second locking tongue portion (1502) and the first locking tongue portion (1501), and the first locking portion (15011) and the second locking portion (15022) are used to lock the blocking head (211), and a gap (1503) for accommodating a portion of the lock seat body (21) is formed between the first locking portion (15011) and the second locking portion (15022), and the gap (1503) is connected to the locking hole (153).

3. The locking and unlocking device for a through passage according to claim 2, characterized in that: An introduction groove (154) and a locking groove (156) are formed on the inner sides of the first locking portion (15011) and the second locking portion (15022).

4. The locking and unlocking device for a through passage according to claim 3, characterized in that: One end of the locking groove (156) is connected to the connecting portion (1500), and a tongue peak (155) is provided at a location where the other end of the locking groove (156) is connected to the introduction groove (154).

5. The through-passage locking and unlocking device according to claim 3, characterized in that: The free ends of the first locking stop portion (15011) and the second locking stop portion (15022) form a locking stop (158), and a limiting block (113) is provided in the locking tongue hole (13).

6. The through-passage locking and unlocking device according to claim 1, characterized in that: The lock tongue (15) is provided with a first marking groove (152), and the locking body (11) is provided with a second marking groove (112); when the first marking groove (152) and the second marking groove (112) overlap, the lock tongue (15) and the stop head (211) are locked.

7. The through-passage locking and unlocking device according to claim 1, characterized in that: Two positioning holes (14) are provided on the first plate (1111), and the lock tongue hole (13) is located between the two positioning holes (14); two positioning columns (212) are provided on the lock seat body (21), and the stopper (211) is located between the two positioning columns (212).

8. The through-passage locking and unlocking device according to claim 7, characterized in that: The lock seat body (21), the positioning column (212) and the stopper (211) are in an M shape.

9. The locking and unlocking device for a through passage according to any one of claims 1 to 8, characterized in that: The first connecting body (1001) has a through hole for exposing the locking bolt hole (13) and the positioning hole (14), and a sealing buffer pad (5) is provided between the first connecting body (1001) and the second connecting body (1002).

10. A rail transit equipment, characterized in that: The rail transit equipment includes the locking and unlocking device for the through passage as described in any one of claims 1-9.

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