Connecting piece structure on floor in rail transit vehicle

By introducing adjustment and tightening mechanisms into the floor connectors of rail transit vehicles, the problem that the existing structure cannot be adjusted is solved, and the practicality of floor connections and installation efficiency are improved.

CN223302691UActive Publication Date: 2025-09-05CHANGZHOU TUODUN PRECISION MASCH CO LTD
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Patent Information

Application Number
CN202422161489.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-04
Publication Date
2025-09-05
Estimated Expiration
2034-09-04

AI Technical Summary

Technical Problem

The structure of the existing rail transit vehicle floor connectors cannot be adjusted, resulting in low practicality, low installation efficiency and inconvenient disassembly.

Method used

A structure including connectors, screw groove sleeves, floor mounting bolts, longitudinal sliding grooves, guide rails, movable frames, transverse sliding grooves and transverse sliding blocks is designed. The fine-tuned connection between the floor is achieved through the adjustment mechanism and the top tightening mechanism, which improves stability and convenience.

Benefits of technology

It realizes fine adjustment according to the installation position of the bottom plate of the vehicle box, improves the practicality and installation efficiency of floor connections, and enhances the stability and convenience of connections.

✦ Generated by Eureka AI based on patent content.

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  • Figure CN223302691U_ABST
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Abstract

The utility model relates to the technical field of vehicle floor structures, in particular to a connecting piece structure on a floor in a rail transit vehicle, which can be finely adjusted according to the mounting position of a carriage bottom plate so as to adapt to the connection between floors and improve the practicability. Comprising a connecting piece, screw groove sleeves, floor mounting bolts, longitudinal moving sliding grooves, guide rails, a movable frame, transverse moving grooves, transverse moving sliding blocks and fixing bolts, the left side and the right side of the top end of the connecting piece are connected with the bottom ends of the screw groove sleeves respectively, one floor mounting bolt is detachably arranged in each screw groove sleeve in a screwed mode, and dustproof structures are arranged at the top ends of the floor mounting bolts; the inner sides of the two guide rails are slidably connected with the interiors of the left side and the right side of the movable frame correspondingly, a transverse moving groove is formed in the movable frame, the inner side of the transverse moving groove is slidably connected with the outer side of a transverse moving sliding block, a fixing bolt is vertically and movably arranged in the transverse moving sliding block, and an adjusting mechanism is arranged on one side of the transverse moving sliding block and the interior of the transverse moving groove.
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Description

Technical Field

[0001] The utility model relates to the technical field of vehicle floor structures, in particular to a connector structure on the floor of a rail transit vehicle. Background Art

[0002] Rail transit refers to a type of transportation vehicle or transportation system in which operating vehicles need to travel on specific tracks. With the diversified development of train and railway technology, rail transit has shown more and more types, not only covering long-distance land transportation, but also widely used in medium and short-distance urban public transportation.

[0003] The floors of rail transit vehicles require corresponding floor paving to meet the requirements of anti-slip and aesthetics, and the modular floors generally used need to be fixed with corresponding mounting mechanisms. At present, there is a quick connector for installing rail transit vehicle floors with patent announcement number CN215590723U. It achieves pre-positioning through the setting of ear plates and clamping seats to facilitate the next step of installation. The first gear drives the two tooth plates to operate simultaneously, so that the two floor bodies can be clamped at the same time. The setting of the clamping device can improve the connection efficiency of the rail vehicle floor. At the same time, it is relatively firm and easy to disassemble, which solves the problems of low installation efficiency and inconvenient disassembly of rail transit vehicle floors in the past.

[0004] However, this structure has the problems of being non-adjustable and having limited use, and is not very practical. Utility Model Content

[0005] (1) Technical problems solved

[0006] In view of the shortcomings of the existing technology, the present invention provides a connecting piece structure on the floor of a rail transit vehicle, which can be fine-tuned according to the installation position of the vehicle floor, thereby adapting to the connection between floors and improving practicality.

[0007] (2) Technical solution

[0008] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a connecting member structure on the floor of a rail transit vehicle, comprising a connecting member, a screw groove sleeve, a floor mounting bolt, a longitudinal slide groove, a guide rail, a movable frame, a transverse groove, a transverse slider and a fixing bolt, the top and left sides of the connecting member are respectively connected to the bottom end of a group of screw groove sleeves, each group of screw groove sleeves is detachably screwed with a group of floor mounting bolts, the top of the floor mounting bolt is provided with a dustproof structure, a longitudinal slide groove is provided in the middle of the connecting member, a group of tightening mechanisms are respectively provided in the middle of the front and rear sides of the longitudinal slide groove of the connecting member, the left and right sides of the longitudinal slide groove of the connecting member are respectively connected to the outer end of a group of guide rails, the inner sides of the two groups of guide rails are respectively slidably connected to the left and right sides of the movable frame, a transverse groove is provided inside the movable frame, the inner side of the transverse groove is slidably connected to the outer side of the transverse slider, a fixing bolt is provided vertically movably inside the transverse slider, and an adjustment mechanism is provided on the transverse slider and one side of the inner side of the transverse groove.

[0009] Preferably, the tightening mechanism includes a tightening nut, a tightening screw and a tightening handle. The inner sides of the middle parts of the front and rear sides of the longitudinal sliding groove of the connecting member are respectively connected to the outer sides of a group of tightening nut, the inner walls of each group of tightening nut are respectively screwed to the outer walls of a group of tightening screws, and the outer sides of each group of tightening screws are respectively connected to the inner middle parts of a group of tightening handles.

[0010] Preferably, the adjustment structure includes an adjusting screw, an adjusting screw tube and a turntable. One side of the inner part of the movable frame is rotatably connected to the outer end of the adjusting screw, the outer side of this end of the adjusting screw is connected to the inner side of the turntable, the outer wall of the adjusting screw is threadedly connected to the inner wall of the adjusting screw tube, and the outer end of the adjusting screw tube is connected to this side of the transverse slider.

[0011] Preferably, an anti-loosening washer is further included, and the outer side of the top end of the transverse sliding block is connected to the bottom end of the anti-loosening washer.

[0012] Preferably, the protective mechanism includes an inner groove, a dust plug and a baffle. An inner groove is provided inside the top of the floor mounting bolt. The inner side of the inner groove and the outer side of the dust plug are detachably mounted. The top of the dust plug is connected to the middle of the bottom end of the baffle.

[0013] Preferably, it also includes information engraving, and information engraving is provided on the left side of the longitudinal sliding groove at the top end of the connecting member.

[0014] (3) Beneficial effects

[0015] Compared with the prior art, the present invention provides a connecting piece structure on the floor of a rail transit vehicle, which has the following beneficial effects:

[0016] First, the transverse slider is matched to the corresponding installation position of the vehicle floor, and the fixing bolt is passed through the transverse slider and initially screwed into the installation hole. Then, the transverse position of the transverse slider on the inner side of the transverse groove is adjusted through the adjustment mechanism, and the tightening mechanism is adjusted to make the movable frame slide under the constraint of the two sets of guide rails and fixed in the corresponding position, so that the connecting part is fixed in the corresponding position relative to the transverse slider, so that the two sets of screw groove sleeves correspond to the base plate to be installed, and the floor mounting bolts are passed through the floor holes and screwed into the screw groove sleeves for fixation. The top of the floor mounting bolts is protected by a dustproof structure, and fine-tuning can be performed according to the installation position of the vehicle floor to adapt to the connection between the floors and improve practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is an axial view of the schematic structural diagram of the utility model;

[0018] Figure 2 For this utility model Figure 1 Top view of

[0019] Figure 3 For this utility model Figure 1 Front view of

[0020] Figure 4 For this utility model Figure 1 Right view of .

[0021] Markings in the accompanying drawings: 1. Connecting part; 2. Screw sleeve; 3. Floor mounting bolt; 4. Longitudinal slide; 5. Guide rail; 6. Movable frame; 7. Transverse groove; 8. Transverse slider; 9. Fixing bolt; 10. Tightening screw sleeve; 11. Tightening screw; 12. Tightening handle; 13. Adjusting screw; 14. Adjusting screw tube; 15. Twist plate; 16. Anti-loosening washer; 17. Inner groove; 18. Dust plug; 19. Baffle; 20. Information engraving. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0023] Example

[0024] See also Figure 1-4, a connecting member structure on the floor of a rail transit vehicle, including a connecting member 1, a screw groove sleeve 2, a floor mounting bolt 3, a longitudinal slide groove 4, a guide rail 5, a movable frame 6, a transverse groove 7, a transverse slider 8 and a fixing bolt 9. The left and right sides of the top of the connecting member 1 are respectively connected to the bottom end of a group of screw groove sleeves 2, and each group of screw groove sleeves 2 is detachably screwed with a group of floor mounting bolts 3. The top of the floor mounting bolt 3 is provided with a dustproof structure, a longitudinal slide groove 4 is provided in the middle of the connecting member 1, and a group of tightening mechanisms are respectively provided in the middle of the front and rear sides of the longitudinal slide groove 4 of the connecting member 1. The left and right sides of the inner part of the longitudinal slide groove 4 of the connecting member 1 are respectively connected to the outer end of a group of guide rails 5, and the inner parts of the two groups of guide rails 5 are respectively slidably connected to the left and right sides of the movable frame 6. The movable frame 6 is provided with a transverse groove 7, and the transverse groove The inner side of 7 is slidably connected to the outer side of the transverse slider 8, and a fixing bolt 9 is provided inside the transverse slider 8 for vertical movement. An adjustment mechanism is provided on one side of the transverse slider 8 and the inside of the transverse slot 7; first, the transverse slider 8 is aligned to the corresponding mounting position of the vehicle floor, and the fixing bolt 9 is passed through the transverse slider 8 and initially screwed into the mounting hole, and then the transverse slider 8 is adjusted to the lateral position inside the transverse slot 7 by the adjustment mechanism, and the movable frame 6 is made to slide under the constraint of the two sets of guide rails 5 and fixed in the corresponding position by adjusting the tightening mechanism, so that the connecting member 1 is fixed in the corresponding position relative to the transverse slider 8, so that the two sets of screw groove sleeves 2 correspond to the bottom plate to be installed, and the floor mounting bolts 3 are passed through the floor holes and screwed into the screw groove sleeves 2 for fixation, and the top of the floor mounting bolts 3 is protected by the dustproof structure.

[0025] The tightening mechanism includes a tightening nut 10, a tightening screw 11 and a tightening hand 12. The inner sides of the middle parts of the front and rear sides of the longitudinal sliding groove 4 of the connecting member 1 are respectively connected to the outer sides of a group of tightening nut sleeves 10, and the inner walls of each group of tightening nut sleeves 10 are respectively screwed together with the outer walls of a group of tightening screws 11, and the outer sides of each group of tightening screws 11 are respectively connected to the inner middle parts of a group of tightening hands 12; by twisting the tightening hands 12 on both sides, the tightening screw 11 can be rotated, and the tightening screw 11 can be screwed together with the tightening nut sleeve 10 to act inward on this side of the movable frame 6 to tighten it, thereby positioning it longitudinally and improving stability.

[0026] The adjustment structure includes an adjusting screw 13, an adjusting screw tube 14 and a turning disk 15. One side of the inner part of the movable frame 6 is rotatably connected to the outer end of the adjusting screw 13, the outer side of this end of the adjusting screw 13 is connected to the inner side of the turning disk 15, the outer wall of the adjusting screw 13 is screwed to the inner wall of the adjusting screw tube 14, and the outer end of the adjusting screw tube 14 is connected to this side of the transverse slider 8; by twisting the turning disk 15, the adjusting screw 13 can be rotated, and the adjusting screw 13 can be screwed together with the adjusting screw tube 14, and the transverse slider 8 can be driven by the adjusting screw tube 14 to move, and can be fixed at any position by self-locking threads of the adjusting screw 13 and the adjusting screw tube 14 to improve stability.

[0027] It also includes an anti-loosening washer 16, and the outer side of the top of the transverse sliding block 8 is connected to the bottom of the anti-loosening washer 16; the anti-loosening washer 16 can be used to support it upward after the fixing bolt 9 is screwed and fixed, thereby preventing it from loosening and improving reliability.

[0028] The protective mechanism includes an inner groove 17, a dust plug 18 and a baffle 19. The inner groove 17 is provided inside the top of the floor mounting bolt 3. The inner side of the inner groove 17 and the outer side of the dust plug 18 are detachable and installed. The top of the dust plug 18 is connected to the middle of the bottom end of the baffle 19. The dust plug 18 can be inserted into the inner groove 17 to block the top of the floor mounting bolt 3 from dust, and the baffle 19 facilitates the removal of the dust plug 18, thereby improving reliability.

[0029] It also includes information engraving 20. The information engraving 20 is set on the left side of the longitudinal sliding groove 4 at the top of the connecting member 1; the structural information can be displayed through the information engraving 20, which is convenient for reading, distinguishing and using, and improves convenience.

[0030] In summary, when a connecting member structure on the floor of a rail transit vehicle is used, the transverse sliding block 8 is first aligned with the corresponding mounting position of the vehicle floor, and the fixing bolt 9 is passed through the transverse sliding block 8 and initially screwed into the mounting hole. Then, by twisting the screw disk 15, the adjusting screw 13 can be rotated. The adjusting screw 13 is screwed together with the adjusting screw tube 14, and the transverse sliding block 8 can be driven by the adjusting screw tube 14 to move. At any position, the adjusting screw 13 and the adjusting screw tube 14 are screwed and fixed in a self-locking manner. By twisting the tightening hands 12 on both sides, the tightening screw 11 can be rotated. The tightening screw 11 is screwed together with the tightening nut 10 and can act inward on the movable frame 6. The side is tightened and positioned longitudinally, so that the movable frame 6 slides under the constraints of the two sets of guide rails 5 and is fixed in the corresponding position, so that the connecting member 1 is fixed in the corresponding position relative to the transverse slider 8, so that the two sets of screw groove sleeves 2 correspond to the base plate to be installed, and the floor mounting bolts 3 pass through the floor holes, are screwed into the screw groove sleeves 2 for fixation, and are inserted into the inner groove 17 through the dust plug 18, so that the top of the floor mounting bolt 3 is blocked for dust prevention, and the dust plug 18 is conveniently removed by force through the baffle 19. In addition, the anti-loosening washer 16 can be supported upward after the fixing bolt 9 is screwed and fixed to prevent loosening. The structural information can be displayed through the information engraving 20, which is convenient for reading, distinguishing and using, thereby improving convenience.

[0031] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A connecting piece structure on the floor of a rail transit vehicle, characterized in that: The invention comprises a connecting piece (1), a screw groove sleeve (2), a floor mounting bolt (3), a longitudinal sliding groove (4), a guide rail (5), a movable frame (6), a transverse sliding groove (7), a transverse sliding block (8) and a fixing bolt (9), wherein the left and right sides of the top of the connecting piece (1) are respectively connected to the bottom ends of a group of screw groove sleeves (2), and a group of floor mounting bolts (3) are detachably screwed in each group of screw groove sleeves (2). The top ends of the floor mounting bolts (3) are provided with a dustproof structure, the middle part of the connecting piece (1) is provided with a longitudinal sliding groove (4), the longitudinal A set of tightening mechanisms is respectively provided at the middle of the front and rear sides of the moving slide groove (4); the left and right sides of the interior of the longitudinal moving slide groove (4) of the connecting member (1) are respectively connected to the outer ends of a set of guide rails (5); the inner sides of the two sets of guide rails (5) are respectively slidably connected to the left and right sides of the movable frame (6); a transverse moving groove (7) is provided inside the movable frame (6); the inner side of the transverse moving groove (7) is slidably connected to the outer side of the transverse moving slider (8); a fixing bolt (9) is provided inside the transverse moving slider (8) for vertical movement; an adjustment mechanism is provided on one side of the transverse moving slider (8) and the inner side of the transverse moving groove (7).

2. The connecting piece structure on the floor of a rail transit vehicle according to claim 1, characterized in that: The tightening mechanism comprises a tightening nut (10), a tightening screw (11) and a tightening hand (12); the inner sides of the front and rear middle parts of the longitudinal sliding groove (4) of the connecting member (1) are respectively connected to the outer sides of a group of tightening nut (10); the inner wall of each group of tightening nut (10) is respectively screwed to the outer wall of a group of tightening screw (11); and the outer side of each group of tightening screw (11) is respectively connected to the inner middle part of a group of tightening hands (12).

3. The connecting piece structure on the floor of a rail transit vehicle according to claim 1, characterized in that: The adjusting mechanism comprises an adjusting screw (13), an adjusting screw tube (14) and a screw disk (15); one side of the inner portion of the movable frame (6) is rotatably connected to the outer end of the adjusting screw (13); the outer side of the end of the adjusting screw (13) is connected to the inner side of the screw disk (15); the outer wall of the adjusting screw (13) is screw-connected to the inner wall of the adjusting screw tube (14); and the outer end of the adjusting screw tube (14) is connected to the side of the transverse sliding block (8).

4. The connecting piece structure on the floor of a rail transit vehicle according to claim 1, characterized in that: It also includes an anti-loosening washer (16), and the outer side of the top end of the transverse sliding block (8) is connected to the bottom end of the anti-loosening washer (16).

5. The connecting piece structure on the floor of a rail transit vehicle according to claim 1, characterized in that: The dustproof structure comprises an inner groove (17), a dustproof plug (18) and a baffle (19); the inner groove (17) is provided inside the top end of the floor mounting bolt (3); the inner side of the inner groove (17) and the outer side of the dustproof plug (18) are detachably mounted; the top end of the dustproof plug (18) is connected to the middle portion of the bottom end of the baffle (19).

6. The connecting piece structure on the floor of a rail transit vehicle according to claim 1, characterized in that: It also includes information engraving (20), and the information engraving (20) is provided on the left side of the longitudinal sliding groove (4) at the top end of the connecting member (1).

Citation Information

Patent Citations

  • Quick connecting piece for mounting floor of rail transit vehicle

    CN215590723U