Bottom sliding rail device of bullet train seat

Abstract

The utility model relates to the technical field of sliding rails, and discloses a sliding rail device at the bottom of a bullet train seat, which solves the problem of poor use effect of the existing sliding rail device, and comprises a sliding rail body, the sliding rail body consists of a supporting guide rail, a semicircular sliding sleeve I and a semicircular sliding sleeve II, and the supporting guide rail consists of a supporting base and a guide rail ring. Arc-shaped inner grooves are formed in the inner side edges of the first semicircular sliding sleeve and the second semicircular sliding sleeve correspondingly, first connecting supporting plates are arranged at the two ends of the first semicircular sliding sleeve correspondingly, second connecting supporting plates are arranged at the two ends of the second semicircular sliding sleeve correspondingly, and first bolt holes are formed in the first connecting supporting plates and the second connecting supporting plates correspondingly. Rubber dustproof skirts are arranged on the side edges of the bottom ends of the semicircular sliding sleeve I and the semicircular sliding sleeve II; oil injection holes are formed in one ends of the arc-shaped outer side edges of the semicircular sliding sleeve I and the semicircular sliding sleeve II; by means of the sliding rail device, split type installation can be achieved, an integral structure can be formed after installation, and then the disassembly and assembly convenience and the use stability are improved.

Description

Technical Field

[0001] This utility model belongs to the field of slide rail technology, specifically a slide rail device for the bottom of a high-speed train seat. Background Technology

[0002] When a high-speed train changes direction, the seats need to be rotated 180 degrees so that passengers always face the direction of travel. A sliding rail structure is installed at the bottom of the seats to provide rotational support and improve the stability of the seats. Existing sliding rail structures have two types of sliding sleeves: segmented and integral. The segmented design affects the overall support stability, while the integral design has the disadvantage of being cumbersome to disassemble and assemble. Therefore, this application proposes a sliding rail device for the bottom of a high-speed train seat. Utility Model Content

[0003] In order to overcome the shortcomings of the prior art, this utility model provides a sliding rail device for the bottom of a high-speed train seat, which effectively solves the problem of poor performance of existing sliding rail devices.

[0004] To achieve the above objectives, this utility model provides the following technical solution: a sliding rail device for the bottom of a high-speed train seat, comprising a sliding rail body, the sliding rail body being composed of a supporting guide rail, a semi-circular sliding sleeve one, and a semi-circular sliding sleeve two, both of which are slidably fitted onto the supporting guide rail. The supporting guide rail is composed of a supporting base and a guide rail ring, the guide rail ring being fixedly connected to the top of the supporting base. Both the inner sides of the semi-circular sliding sleeve one and the semi-circular sliding sleeve two are provided with arc-shaped inner grooves matching the guide rail ring. Both ends of the semi-circular sliding sleeve one are fixedly provided with connecting support plates one, and both ends of the semi-circular sliding sleeve two are fixedly provided with connecting support plates two matching the connecting support plates one. Both the connecting support plates one and the connecting support plates two are provided with bolt holes one. Both the bottom sides of the semi-circular sliding sleeve one and the semi-circular sliding sleeve two are provided with rubber dustproof skirts, and one end of the arc-shaped outer side of both the semi-circular sliding sleeve one and the semi-circular sliding sleeve two is provided with an oil injection hole.

[0005] Preferably, the support base and the guide rail ring are an integral structure, and several bolt holes are provided on the side of the top of the support base.

[0006] Preferably, a plurality of ball sleeves are fixedly provided at the top of the guide rail ring, and balls are rotatably arranged inside the ball sleeves.

[0007] Preferably, two mounting plates are fixedly provided on the outer arc of the semicircular sliding sleeve one, and two mounting plates are fixedly provided on the outer arc of the semicircular sliding sleeve two. Both mounting plates one and mounting plates two are provided with bolt holes three.

[0008] Preferably, the bottom ends of both the first and second semicircular sliding sleeves are provided with snap-fit ​​grooves that match the rubber dustproof skirt edge.

[0009] Preferably, a connecting rope is fixedly provided at one end of the outer arc of both the first and second semicircular sliding sleeves, and a rubber sealing plug matching the oil injection hole is fixedly provided at one end of the connecting rope.

[0010] Compared with the prior art, the beneficial effects of this utility model are:

[0011] (1) In operation, by setting up a slide rail body consisting of a support guide rail, a semi-circular slide sleeve one and a semi-circular slide sleeve two, the semi-circular slide sleeve one and the semi-circular slide sleeve two can be installed separately with the support guide rail, thereby improving the convenience of installation. After installation, the semi-circular slide sleeve one and the semi-circular slide sleeve two form an integral structure, thereby improving the stability of the support for the train seat.

[0012] (2) By setting ball sleeves and balls, rolling support can be achieved, reducing the friction between the support guide rail and the semi-circular sliding sleeve one and the semi-circular sliding sleeve two. By setting rubber dustproof skirts, the dustproof effect can be improved, preventing dust from entering the connection between the support guide rail and the semi-circular sliding sleeve one and the semi-circular sliding sleeve two. By setting oil injection holes, lubricating oil can be injected into the connection between the support guide rail and the semi-circular sliding sleeve one and the semi-circular sliding sleeve two, improving the lubrication effect. Attached Figure Description

[0013] The accompanying drawings are provided to further understand the present invention and form part of the specification. They are used together with the embodiments of the present invention to explain the present invention and do not constitute a limitation thereof.

[0014] In the attached diagram:

[0015] Figure 1 This is a schematic diagram of the bottom slide rail device for high-speed train seats according to this utility model;

[0016] Figure 2 This is an exploded view of the bottom slide rail device for high-speed train seats according to this utility model;

[0017] Figure 3 This is a schematic diagram of a partial structure of the support rail of this utility model;

[0018] Figure 4 This is a schematic diagram of the connection structure between the first semicircular sliding sleeve and the second semicircular sliding sleeve of this utility model;

[0019] Figure 5 This is a schematic diagram of the semi-circular sliding sleeve of this utility model;

[0020] Figure 6 This is a schematic diagram of the second semi-circular sliding sleeve of this utility model;

[0021] In the diagram: 1. Slide rail body; 2. Support rail; 3. Semi-circular sliding sleeve one; 4. Semi-circular sliding sleeve two; 5. Support base; 6. Guide rail ring; 7. Arc-shaped inner groove; 8. Connecting support plate one; 9. Connecting support plate two; 10. Bolt hole one; 11. Rubber dustproof skirt; 12. Oil injection hole; 13. Bolt hole two; 14. Ball sleeve; 15. Ball; 16. Mounting plate one; 17. Mounting plate two; 18. Bolt hole three; 19. Snap-fit ​​groove; 20. Connecting rope; 21. Rubber sealing plug. Detailed Implementation

[0022] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present utility model without creative effort are within the protection scope of the present utility model.

[0023] Depend on Figures 1 to 6 This utility model discloses a sliding rail device for the bottom of a high-speed train seat, comprising a sliding rail body 1. The sliding rail body 1 is composed of a supporting guide rail 2, a semi-circular sliding sleeve 3, and a semi-circular sliding sleeve 4. Both the semi-circular sliding sleeve 3 and the semi-circular sliding sleeve 4 are slidably fitted onto the supporting guide rail 2. The supporting guide rail 2 is composed of a supporting base 5 and a guide rail ring 6. The guide rail ring 6 is fixedly connected to the top of the supporting base 5. The inner sides of both the semi-circular sliding sleeve 3 and the semi-circular sliding sleeve 4 are provided with openings that match the guide rail ring 6. The arc-shaped inner groove 7, the two ends of the semi-circular sliding sleeve 1 3 are fixedly provided with connecting support plate 1 8, the two ends of the semi-circular sliding sleeve 2 4 are fixedly provided with connecting support plate 2 9 that matches the connecting support plate 1 8, the connecting support plate 1 8 and the connecting support plate 2 9 are both provided with bolt holes 10, the bottom side of the semi-circular sliding sleeve 1 3 and the semi-circular sliding sleeve 2 4 are both provided with rubber dustproof skirt 11, and one end of the arc-shaped outer side of the semi-circular sliding sleeve 1 3 and the semi-circular sliding sleeve 2 4 are both provided with oil injection hole 12.

[0024] During installation, since the arc-shaped inner groove 7 needs to form a limiting function with the guide rail ring 6, if the semi-circular sliding sleeve 1 3 and the semi-circular sliding sleeve 2 4 are set as an integral structure, installation is not possible. By setting the semi-circular sliding sleeve 1 3 and the semi-circular sliding sleeve 2 4 as separate structures, the semi-circular sliding sleeve 1 3 and the semi-circular sliding sleeve 2 4 can be connected to the guide rail ring 6 separately. After installation, the semi-circular sliding sleeve 1 3 and the semi-circular sliding sleeve 2 4 are fixed to form an integral structure by bolts, which can improve the stability of the train seat support. The bottom end of the rubber dustproof skirt 11 can fit with the support base 5, which can play a dustproof role. The oil injection hole 12 can add lubricating oil to the connection between the support guide rail 2 and the semi-circular sliding sleeve 1 3 and the semi-circular sliding sleeve 2 4, which can improve the lubrication effect.

[0025] The support base 5 and the guide rail ring 6 are an integral structure. Several bolt holes 13 are opened on the side of the top of the support base 5, which can connect the support base 5 to the train carriage.

[0026] A number of ball sleeves 14 are fixedly provided at the top of the guide rail ring 6. The ball sleeves 14 are rotatably provided with balls 15, which can realize rolling support and reduce the friction at the connection between the support guide rail 2 and the semi-circular sliding sleeve 1 3 and the semi-circular sliding sleeve 2 4.

[0027] Two mounting plates 16 are fixedly installed on the outer arc of the semicircular sliding sleeve 3, and two mounting plates 27 are fixedly installed on the outer arc of the semicircular sliding sleeve 4. Both mounting plates 16 and 27 are provided with bolt holes 38, which can connect the semicircular sliding sleeve 3 and the semicircular sliding sleeve 24 to the train seat.

[0028] Both the bottom ends of the semi-circular sliding sleeve 13 and the semi-circular sliding sleeve 24 are provided with snap-fit ​​grooves 19 that match the rubber dustproof skirt 11, which can snap the rubber dustproof skirt 11 into place and facilitate the replacement of the rubber dustproof skirt 11.

[0029] A connecting rope 20 is fixedly installed at one end of the outer arc of both the semi-circular sliding sleeve 3 and the semi-circular sliding sleeve 4. A rubber sealing plug 21 matching the oil injection hole 12 is fixedly installed at one end of the connecting rope 20, which can seal the oil injection hole 12.

[0030] In operation, by setting up a slide rail body consisting of a support guide rail, a semi-circular sliding sleeve one, and a semi-circular sliding sleeve two, the semi-circular sliding sleeve one and the semi-circular sliding sleeve two can be installed separately with the support guide rail, thereby improving the convenience of installation. After installation, the semi-circular sliding sleeve one and the semi-circular sliding sleeve two form an integral structure, thereby improving the stability of the train seat support. By setting up ball bearing sleeves and balls, rolling support can be achieved, reducing the friction between the support guide rail and the semi-circular sliding sleeve one and the semi-circular sliding sleeve two. By setting up rubber dustproof skirts, the dustproof effect can be improved, preventing dust from entering the connection between the support guide rail and the semi-circular sliding sleeve one and the semi-circular sliding sleeve two. By setting up oil injection holes, lubricating oil can be injected into the connection between the support guide rail and the semi-circular sliding sleeve one and the semi-circular sliding sleeve two, improving the lubrication effect.

Claims

1. A sliding rail device for the bottom of a high-speed train seat, comprising a sliding rail body (1), characterized in that: The slide rail body (1) is composed of a support guide rail (2), a semi-circular sliding sleeve one (3) and a semi-circular sliding sleeve two (4). The semi-circular sliding sleeve one (3) and the semi-circular sliding sleeve two (4) are slidably fitted on the support guide rail (2). The support guide rail (2) is composed of a support base (5) and a guide rail ring (6). The guide rail ring (6) is fixedly connected to the top of the support base (5). The inner sides of the semi-circular sliding sleeve one (3) and the semi-circular sliding sleeve two (4) are provided with arc-shaped inner grooves (7) that match the guide rail ring (6). Both ends of the first (3) are fixedly provided with connecting support plate 1 (8), and both ends of the semi-circular sliding sleeve 2 (4) are fixedly provided with connecting support plate 2 (9) that matches the connecting support plate 1 (8). Both the connecting support plate 1 (8) and the connecting support plate 2 (9) are provided with bolt hole 1 (10). Both the bottom sides of the semi-circular sliding sleeve 1 (3) and the semi-circular sliding sleeve 2 (4) are provided with rubber dustproof skirt (11). One end of the arc-shaped outer side of the semi-circular sliding sleeve 1 (3) and the semi-circular sliding sleeve 2 (4) is provided with oil injection hole (12).

2. The sliding rail device for the bottom of a high-speed train seat according to claim 1, characterized in that: The support base (5) and the guide rail ring (6) are an integral structure, and several bolt holes (13) are opened on the side of the top of the support base (5).

3. The sliding rail device for the bottom of a high-speed train seat according to claim 1, characterized in that: The top of the guide ring (6) is fixedly provided with several ball sleeves (14), and the ball sleeves (14) are rotatably provided with balls (15).

4. The sliding rail device for the bottom of a high-speed train seat according to claim 1, characterized in that: Two mounting plates (16) are fixedly installed on the outer arc of the semicircular sliding sleeve 1 (3), and two mounting plates (17) are fixedly installed on the outer arc of the semicircular sliding sleeve 2 (4). Bolt holes (18) are opened on both mounting plates 1 (16) and mounting plates 2 (17).

5. The sliding rail device for the bottom of a high-speed train seat according to claim 1, characterized in that: The bottom ends of the semi-circular sliding sleeve one (3) and the semi-circular sliding sleeve two (4) are provided with snap-fit ​​grooves (19) that match the rubber dustproof skirt (11).

6. The sliding rail device for the bottom of a high-speed train seat according to claim 1, characterized in that: A connecting rope (20) is fixedly installed at one end of the arc-shaped outer side of the semi-circular sliding sleeve one (3) and the semi-circular sliding sleeve two (4), and a rubber sealing plug (21) matching the oil injection hole (12) is fixedly installed at one end of the connecting rope (20).

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