Vehicle door size adjusting device for rail transit vehicle
By designing a door size adjustment device with a scale and magnet, the problem of traditional methods of door size adjustment taking off and frequent rework is solved, and fast and accurate door size adjustment is achieved, which improves maintenance efficiency and product stability.
Patent Information
- Application Number
- CN202420172554.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-01-23
- Publication Date
- 2024-12-20
- Estimated Expiration
- 2034-01-23
AI Technical Summary
Traditional methods take a long time to adjust the door size of rail transit vehicles, and operators need to repeatedly measure and adjust, resulting in frequent rework and repairs, affecting product performance and requiring high proficiency and tools.
A door size adjustment device including an upper and lower cup is designed, using a scale, magnet and threaded connection, to move the connecting post by rotating the upper cup to read and fix the required length, enabling rapid adjustment.
It improves the efficiency of door size adjustment, reduces rework, reduces manpower and material consumption, and is suitable for the size adjustment of doors of different models, ensuring the stability of fixed size.
Smart Images
Figure CN222200215U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of rail transit vehicle manufacturing, and in particular relates to a door size adjustment device for a rail transit vehicle. Background Art
[0002] For rail transit vehicles, when the traditional method is used to adjust the size of the door panels of the entire train, it takes a long time to fine-tune a single door. The operator also needs to push the door panel outward to measure the required size, and then further tighten the door panel fixing bolts. After tightening the bolts, the size is easy to change, and the door panel size needs to be repeatedly disassembled and adjusted until the size meets the range requirements. This requires a high level of operator proficiency, and there are no suitable tools and tooling to facilitate the operation; resulting in a large amount of rework and repair, wasting manpower and material resources, and even affecting product performance. Utility Model Content
[0003] The utility model aims to solve at least one of the technical problems existing in the prior art. To this end, the utility model provides an adjustment device which effectively improves the efficiency of adjusting the size of a vehicle door.
[0004] The utility model discloses a door size adjustment device for a rail transit vehicle, which comprises an upper foot cup and a lower foot cup, wherein the upper foot cup comprises a base, a connecting column is vertically connected to the base, a scale is provided on the surface of the connecting column, and the lower foot cup comprises an adsorption seat, a connecting head is arranged on the adsorption seat, the connecting column and the connecting head are connected by threads, and a locking device is arranged on the connecting head.
[0005] According to some embodiments of the present invention, the connecting head is a hexagonal head structure.
[0006] According to some embodiments of the present invention, the connecting column is provided with an external thread.
[0007] According to some embodiments of the present invention, an internal thread corresponding to the external thread of the connecting column is provided in the connecting head.
[0008] According to some embodiments of the present invention, the locking device includes a screw hole arranged on the side of the connecting head, and a locking bolt for pressing against the connecting column is installed in the screw hole.
[0009] According to some embodiments of the present invention, a magnet is disposed in the adsorption seat.
[0010] According to some embodiments of the present invention, the base is trapezoidal.
[0011] According to some embodiments of the present invention, the adsorption seat is trapezoidal.
[0012] According to some embodiments of the present invention, the connecting column is vertically welded to the base.
[0013] According to some embodiments of the present invention, the adsorption seat and the connecting head are integrally formed.
[0014] The utility model has at least the following beneficial effects: when the product is used, the device is adsorbed between the door leaf and the door frame, and the upper foot cup is rotated to make the connecting column move laterally along the connecting head of the lower foot cup, and the scale parameters on the upper foot cup are observed and read to achieve the required support length, and finally the locking device is tightened to fix the size, thereby improving maintenance efficiency; because the length of the device can be adjusted according to actual conditions, the size of car doors of different models can be adjusted.
[0015] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] The present invention is further described below with reference to the accompanying drawings and embodiments, wherein:
[0017] Figure 1 It is a schematic diagram of the structure of the utility model;
[0018] Figure 2 It is a cross-sectional view of the utility model;
[0019] Figure 3 This is a schematic diagram of the structure of the upper foot cup of the utility model;
[0020] Figure 4 This is a schematic diagram of the bottom cup structure of the utility model. DETAILED DESCRIPTION
[0021] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.
[0022] In the description of the present invention, it should be understood that the descriptions involving orientation, such as the orientation or positional relationship indicated as up, down, etc., are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.
[0023] In the description of the present utility model, "a plurality" means more than two. If there is a description of "first" or "second", it is only for the purpose of distinguishing the technical features, and cannot be understood as indicating or implying the relative importance or implicitly indicating the number of the indicated technical features or implicitly indicating the order of the indicated technical features.
[0024] In the description of the present invention, unless otherwise clearly defined, terms such as setting, installing, connecting, etc. should be understood in a broad sense, and technicians in the relevant technical field can reasonably determine the specific meanings of the above terms in the present invention based on the specific content of the technical solution.
[0025] Reference Figure 1 , Figure 2 , a rail transit vehicle door size adjustment device, which includes an upper foot cup 1 and a lower foot cup 2, the upper foot cup 1 includes a base 11, in order to make the base 11 more stable, the base 11 can be set to a trapezoid, the base 11 is vertically connected with a connecting column 12, in order to make the connection more stable, the connecting column 12 is vertically welded to the base 11. The surface of the connecting column 12 has a scale 13, the lower foot cup 2 includes an adsorption seat 21, in order to make the adsorption seat 21 more stable, the adsorption seat 21 is a trapezoid. A magnet is arranged in the adsorption seat 21. The magnet can effectively adsorb the lower foot cup 2 on the inner side of the door leaf, while ensuring the size, it also plays a role of support and fixation, and can be operated by a single person, and the size of the door leaf of the EMU can be quickly adjusted.
[0026] The adsorption seat 21 is provided with a connector 22, and the adsorption seat 21 and the connector 22 are integrally formed. The connector 22 is a hexagonal head structure, so it is easy to operate with a wrench. The connecting column 12 and the connector 22 are connected by threads, and a locking device 3 is provided on the connecting head 22. The locking device 3 includes a screw hole 221 provided on the side of the connecting head 22, and a locking bolt for pressing on the connecting column 12 is installed in the screw hole 221.
[0027] Reference Figure 3 , Figure 4 In order to facilitate the adjustment of the distance between the upper foot cup 1 and the lower foot cup 2, the connecting column 12 is provided with an external thread. The connecting head 22 is provided with an internal thread corresponding to the external thread of the connecting column 12.
[0028] When using this product, the device is adsorbed between the door leaf and the door frame, and the upper foot cup 1 is rotated to make the connecting column move laterally along the connecting head 22 of the lower foot cup 2. The parameters of the scale 13 on the upper foot cup 1 are observed and read to achieve the required support length, and finally the locking device 3 is tightened to fix the size, thereby improving the maintenance efficiency. Since the length of the device can be adjusted according to actual conditions, the size of car doors of different models can be adjusted.
[0029] The device can be used to support a gap between the door frame and the door leaf with a fixed size, ensuring that the required fixed size of the door leaf does not change after adjustment, thus avoiding secondary rework; the tooling structure is simple, low cost, durable and easy to carry.
[0030] The preferred specific embodiments of the utility model are described in detail above. It should be understood that ordinary technicians in this field can make many modifications and changes based on the concept of the utility model without creative work. Therefore, all technical solutions that can be obtained by technicians in this technical field based on the concept of the utility model through logical analysis, reasoning or limited experiments on the basis of the existing technology should be within the scope of protection determined by the claims.
Claims
1. A door size adjustment device for a rail transit vehicle, Features: The invention comprises an upper cup (1) and a lower cup (2), wherein the upper cup (1) comprises a base (11), a connecting column (12) is vertically connected to the base (11), a scale (13) is provided on the surface of the connecting column (12), and the lower cup (2) comprises an adsorption seat (21), a connecting head (22) is provided on the adsorption seat (21), the connecting column (12) and the connecting head (22) are connected by threads, and a locking device (3) is provided on the connecting head (22).
2. A rail transit vehicle door size adjustment device according to claim 1, Features: The connecting head (22) is a hexagonal head structure.
3. A rail transit vehicle door size adjustment device according to claim 1, Features: The connecting column (12) is provided with an external thread.
4. A rail transit vehicle door size adjustment device according to claim 3, Features: The connecting head (22) is provided with an internal thread corresponding to the external thread of the connecting column (12).
5. A rail transit vehicle door size adjustment device according to claim 1, Features: The locking device (3) comprises a screw hole (221) arranged on the side of the connecting head (22), and a locking bolt for pressing against the connecting column (12) is installed in the screw hole (221).
6. A rail transit vehicle door size adjustment device according to claim 1, Features: A magnet is arranged in the adsorption seat (21).
7. A rail transit vehicle door size adjustment device according to claim 1, Features: The base (11) is trapezoidal.
8. A rail transit vehicle door size adjustment device according to claim 1, Features: The adsorption seat (21) is trapezoidal.
9. A rail transit vehicle door size adjustment device according to claim 1, Features: The connecting column (12) is vertically welded to the base (11).
10. A rail transit vehicle door size adjustment device according to claim 1, Features: The adsorption seat (21) and the connecting head (22) are integrally formed.