Sliding groove and square-head bolt connecting structure
By introducing a limit structure between the slide chute and the square head bolt, the problem of complex connection and cumbersome installation of the slide chute and the square head bolt is solved, and a fast and firm connection is achieved, reducing manufacturing costs.
Patent Information
- Application Number
- CN202422593635.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-27
- Publication Date
- 2025-08-08
- Estimated Expiration
- 2034-10-27
AI Technical Summary
The connection structure between the slide chute and the square head bolts in existing rail vehicles is complex, the installation is cumbersome and the time is long.
The limit structure between the slide chute and the square head bolt is adopted. Through the design of the slide chute top plate, vertical plate and limit hook, the multi-arc curved surface contact surface and limit hook of the square bolt head are matched to achieve rapid fixation.
Improves the firmness and stability of the connection, simplifies the installation process, reduces manufacturing costs, and facilitates mass production.
Smart Images

Figure CN223203451U_ABST
Abstract
Description
Technical Field
[0001] The present application relates to the technical field of rail vehicles, and in particular to a connection structure between a slide groove and a square head bolt. Background Art
[0002] Currently, some rail vehicle connection methods require complex tools, resulting in cumbersome and time-consuming installation. This is particularly true for the connection between a chute and lag bolt, which is complex and cumbersome to install, often requiring additional chute processing.
[0003] Therefore, in order to meet the actual working requirements, a new connection structure of a slide groove and a square head bolt is provided. Summary of the Invention
[0004] In response to the defects existing in the prior art, the purpose of this application is to provide a connection structure between a slide groove and a square head bolt, which improves the firmness of the connection through the limiting structure between the slide groove and the square head bolt, thereby improving the stability and reliability of the connection structure.
[0005] In order to achieve the above objectives, the technical solution adopted by this application is:
[0006] The present application provides a sliding groove and square head bolt connection structure, the sliding groove and square head bolt connection structure comprising:
[0007] The chute body is provided with a bolt placement space with an opening at the bottom, and the chute body includes:
[0008] chute top plate;
[0009] A first chute vertical plate and a second chute vertical plate are arranged side by side on the bottom surface of the chute top plate;
[0010] A first chute vertical plate limiting hook is provided on the side of the bottom edge of the first chute vertical plate facing the second chute vertical plate, and the end surface of the first chute vertical plate limiting hook is a first multi-arc curved surface;
[0011] A second chute vertical plate limiting hook is provided on the side of the bottom edge of the second chute vertical plate facing the first chute vertical plate, and the end surface of the second chute vertical plate limiting hook is an upward limiting hook;
[0012] The chute top plate, the first chute vertical plate, the second chute vertical plate, the first chute vertical plate limiting hook, the first multi-arc curved surface, the second chute vertical plate limiting hook and the upward limiting hook form the bolt placement space;
[0013] A detachable square bolt disposed in the bolt placement space, the square bolt comprising:
[0014] A square bolt head is detachably disposed in the bolt placement space, wherein a plurality of arc-shaped contact surfaces and a downward limit hook are respectively provided on the bottom edges of a group of symmetrical sides of the square bolt head;
[0015] The bolt body is arranged at the bottom of the square bolt head; wherein,
[0016] The first multi-arc curved surface matches the multi-arc curved surface contact surface;
[0017] The upward limit hook matches the downward limit hook.
[0018] Based on the above technical solution, the square bolt head, the bolt body, the multi-arc contact surface and the downward limit hook are configured so that when the bolt body is tilted to a specific angle, the square bolt head can be moved out of the bolt placement space.
[0019] Based on the above technical solution, the square bolt head, the bolt body, the multi-arc contact surface and the downward limit hook are configured so that when the bolt body is vertically downward, the square bolt head is restricted from sliding in the bolt placement space.
[0020] Compared with the prior art, the advantages of this application are:
[0021] The present application improves the firmness of the connection through the limiting structure between the slide groove and the square head bolt, thereby enhancing the stability and reliability of the connection structure. BRIEF DESCRIPTION OF THE DRAWINGS
[0022] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the following briefly introduces the drawings required for use in the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without any creative work.
[0023] Figure 1 This is a structural diagram of the connection structure between the chute and the square bolt in the embodiment of the present application when the square bolt is placed in the chute body;
[0024] Figure 2 This is a structural schematic diagram of the connection structure between the chute and the square bolt in the embodiment of the present application when the square bolt is removed from the chute body;
[0025] Figure 3 This is a structural schematic diagram of the chute body in the chute and square bolt connection structure according to an embodiment of the present application;
[0026] Figure 4 This is a schematic structural diagram of a square bolt in a connection structure between a chute and a square bolt according to an embodiment of the present application;
[0027] Figure 5 Schematic diagram of the structure of the first multi-arc curved surface and the contact surface of the multi-arc curved surface in the connection structure of the slide groove and the square head bolt in an embodiment of the present application;
[0028] In the picture:
[0029] 1. Slide body; 10. Slide top plate; 11. First slide vertical plate; 12. Second slide vertical plate; 13. First slide vertical plate limit hook; 14. First multi-arc curved surface; 15. Second slide vertical plate limit hook; 16. Upward limit hook; A. Bolt placement space; 2. Square bolt; 20. Square bolt head; 200. Multi-arc curved surface contact surface; 201. Downward limit hook; 21. Bolt body. DETAILED DESCRIPTION
[0030] To make the purpose, technical solutions, and advantages of the embodiments of this application more clear, the technical solutions in the embodiments of this application will be clearly and completely described below in conjunction with the drawings in the embodiments of this application. Obviously, the described embodiments are part of the embodiments of this application, not all of the embodiments. Based on the embodiments in this application, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of this application.
[0031] The embodiments of the present application are further described in detail below with reference to the accompanying drawings.
[0032] An embodiment of the present application provides a connection structure between a slide groove and a square head bolt, which improves the firmness of the connection through a limiting structure between the slide groove and the square head bolt, thereby enhancing the stability and reliability of the connection structure.
[0033] To achieve the above technical effects, the overall idea of this application is as follows:
[0034] A sliding groove and square head bolt connection structure, the sliding groove and square head bolt connection structure comprising:
[0035] The chute body 1 is provided with a bolt placement space A with an opening at the bottom. The chute body 1 includes:
[0036] chute top plate 10;
[0037] A first chute vertical plate 11 and a second chute vertical plate 12 are arranged side by side on the bottom surface of the chute top plate 10;
[0038] A first chute vertical plate limiting hook 13 is provided on the side of the bottom edge of the first chute vertical plate 11 facing the second chute vertical plate 12, and the end surface of the first chute vertical plate limiting hook 13 is a first multi-arc curved surface 14;
[0039] A second chute vertical plate limiting hook 15 is provided on the side of the bottom edge of the second chute vertical plate 12 facing the first chute vertical plate 11, and the end surface of the second chute vertical plate limiting hook 15 is an upward limiting hook 16;
[0040] The chute top plate 10, the first chute vertical plate 11, the second chute vertical plate 12, the first chute vertical plate limiting hook 13, the first multi-arc curved surface 14, the second chute vertical plate limiting hook 15 and the upward limiting hook 16 form the bolt placement space A;
[0041] A detachable square bolt 2 is provided in the bolt placement space A, and the square bolt 2 comprises:
[0042] A square bolt head 20 is detachably disposed in the bolt placement space A, wherein a plurality of arc-shaped contact surfaces 200 and a downward limit hook 201 are respectively provided on the bottom edges of a group of symmetrical sides of the square bolt head 20;
[0043] The bolt body 21 is arranged at the bottom of the square bolt head 20; wherein,
[0044] The first multi-arc curved surface 14 matches the multi-arc curved surface contact surface 200;
[0045] The upward limit hook 16 matches the downward limit hook 201 .
[0046] The embodiments of the present application are further described in detail below with reference to the accompanying drawings.
[0047] See also Figures 1 to 5 As shown, an embodiment of the present application provides a sliding groove and square head bolt connection structure, which includes:
[0048] The chute body 1 is provided with a bolt placement space A with an opening at the bottom. The chute body 1 includes:
[0049] chute top plate 10;
[0050] A first chute vertical plate 11 and a second chute vertical plate 12 are arranged side by side on the bottom surface of the chute top plate 10;
[0051] A first chute vertical plate limiting hook 13 is provided on the side of the bottom edge of the first chute vertical plate 11 facing the second chute vertical plate 12, and the end surface of the first chute vertical plate limiting hook 13 is a first multi-arc curved surface 14;
[0052] A second chute vertical plate limiting hook 15 is provided on the side of the bottom edge of the second chute vertical plate 12 facing the first chute vertical plate 11, and the end surface of the second chute vertical plate limiting hook 15 is an upward limiting hook 16;
[0053] The chute top plate 10, the first chute vertical plate 11, the second chute vertical plate 12, the first chute vertical plate limiting hook 13, the first multi-arc curved surface 14, the second chute vertical plate limiting hook 15 and the upward limiting hook 16 form the bolt placement space A;
[0054] A detachable square bolt 2 is provided in the bolt placement space A, and the square bolt 2 comprises:
[0055] A square bolt head 20 is detachably disposed in the bolt placement space A, wherein a plurality of arc-shaped contact surfaces 200 and a downward limit hook 201 are respectively provided on the bottom edges of a group of symmetrical sides of the square bolt head 20;
[0056] The bolt body 21 is arranged at the bottom of the square bolt head 20; wherein,
[0057] The first multi-arc curved surface 14 matches the multi-arc curved surface contact surface 200;
[0058] The upward limit hook 16 matches the downward limit hook 201 .
[0059] In the embodiment of the present application, the firmness of the connection is improved by the limiting structure between the slide groove and the square head bolt, thereby enhancing the stability and reliability of the connection structure.
[0060] Furthermore, the square bolt head 20, the bolt body 21, the multi-arc curved contact surface 200 and the downward limit hook 201 are configured so that when the bolt body 21 is tilted to a specific angle, the square bolt head 20 can be moved out of the bolt placement space A.
[0061] Furthermore, the square bolt head 20, the bolt body 21, the multi-arc curved contact surface 200 and the downward limit hook 201 are configured so that when the bolt body 21 is vertically downward, the square bolt head 20 is restricted from sliding in the bolt placement space A.
[0062] Based on the technical solution of the embodiment of this application, during specific implementation, the situation is as follows:
[0063] The technical solution of the embodiment of the present application specifically includes a chute body 1 and a square bolt 2;
[0064] The chute body 1 is provided with a bolt placement space A for accommodating the square bolt 2, and the inner surface of the chute body 1 is provided with a limiting structure that cooperates with the square bolt 2. The limiting structure specifically comprises a first chute vertical plate limiting hook 13 and a second chute vertical plate limiting hook 15, as well as a matching first multi-arc surface 14 and the upward limiting hook 16.
[0065] The square bolt 2 has a bolt body 21 and a square bolt head 20;
[0066] The square bolt head 20 is provided with a plurality of connecting protrusions for interlocking with the limiting structure on the inner surface of the chute body 1 to fix the position of the square bolt head 20;
[0067] The connecting protrusions are a group of symmetrical bottom edges of the square bolt head 20 , on which a multi-arc curved contact surface 200 and a downward limiting hook 201 are respectively provided.
[0068] It should be noted that the first multi-arc curved surface 14 matches the multi-arc curved surface contact surface 200 .
[0069] The top surface of the chute body 1 may be square or rectangular, and the bolt placement space A may be U-shaped or V-shaped.
[0070] The bolt body 21 of the square bolt 2 may be circular, and the square bolt head 20 may be square or rectangular.
[0071] The connecting protrusion is not limited to the multi-arc curved contact surface 200 and the downward limiting hook 201, and can also be a triangle, a square or other shapes.
[0072] During the installation process, the square bolt head 20 of the square bolt 2 is inserted into the bolt placement space A of the slide body 1, and then the multi-arc curved contact surfaces 200 and the downward limit hooks 201 respectively set on the bottom edges of a group of symmetrical sides of the square bolt head 20 cooperate with the first slide vertical plate limit hook 13 and the second slide vertical plate limit hook 15, and the position of the square bolt 2 is quickly adjusted through the protrusion 23 and the snap-fit structure.
[0073] In summary, the technical solutions of the embodiments of the present application have the following technical advantages:
[0074] First, easy installation: since the bolt body 21 of the square bolt 2 can be directly inserted into the bolt placement space A of the slide body 1, the position of the square bolt 2 can be quickly fixed through cooperation without the use of complicated tools, and the installation process is simple and quick.
[0075] Second, the connection is firm: it can ensure that the square bolt 2 is fixed stably in the chute body 1 and is not easy to loosen, thereby improving the reliability of the connection.
[0076] Third, the structure is simple: a simple slide body 1 and a square bolt 2 are used, without the need for additional accessories or complex structures, which reduces manufacturing costs and facilitates mass production.
[0077] In the description of this application, it should be noted that the terms "upper" and "lower" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing this application and simplifying the description, and do not indicate or imply 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 this application. Unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or an indirect connection through an intermediate medium, or it can be internal communication between two elements. For those of ordinary skill in the art, the specific meanings of the above terms in this application can be understood according to the specific circumstances.
[0078] It should be noted that, in this application, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device comprising a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, an element defined by the sentence "comprising a ..." does not exclude the presence of other identical elements in the process, method, article or device comprising the element.
[0079] The foregoing is merely a list of specific embodiments of the present application, intended to enable those skilled in the art to understand or implement the present application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present application. Therefore, the present application is not limited to the embodiments shown herein, but is intended to conform to the broadest scope consistent with the principles and novel features of the present application.
Claims
1. A chute and square bolt connection structure, characterized in that: The sliding groove and square bolt connection structure includes: A chute body (1) is provided with a bolt placement space (A) with an opening at the bottom thereof. The chute body (1) comprises: chute top plate (10); A first chute vertical plate (11) and a second chute vertical plate (12) are arranged side by side on the bottom surface of the chute top plate (10); A first chute vertical plate limiting hook (13) is provided on the side of the bottom edge of the first chute vertical plate (11) facing the second chute vertical plate (12), and the end surface of the first chute vertical plate limiting hook (13) is a first multi-arc curved surface (14); A second chute vertical plate limiting hook (15) is provided on the side of the bottom edge of the second chute vertical plate (12) facing the first chute vertical plate (11), and the end surface of the second chute vertical plate limiting hook (15) is an upward limiting hook (16); The chute top plate (10), the first chute vertical plate (11), the second chute vertical plate (12), the first chute vertical plate limiting hook (13), the first multi-arc curved surface (14), the second chute vertical plate limiting hook (15) and the upward limiting hook (16) form the bolt placement space (A); A square bolt (2) is detachably arranged in the bolt placement space (A), and the square bolt (2) comprises: A square bolt head (20) is detachably arranged in the bolt placement space (A), wherein the bottom edges of a group of symmetrical sides of the square bolt head (20) are respectively provided with a multi-arc curved contact surface (200) and a downward limit hook (201); A bolt body (21) is provided at the bottom of the square bolt head (20); wherein, The first multi-arc curved surface (14) matches the multi-arc curved surface contact surface (200); The upward limit hook (16) matches the downward limit hook (201).
2. The chute and lag bolt connection structure according to claim 1, wherein: The square bolt head (20), the bolt body (21), the multi-arc curved contact surface (200), and the downward limit hook (201) are configured such that when the bolt body (21) is tilted to a specific angle, the square bolt head (20) can be moved out of the bolt placement space (A).
3. The chute and lag bolt connection structure according to claim 1, wherein: The square bolt head (20), the bolt body (21), the multi-arc curved contact surface (200) and the downward limiting hook (201) are configured such that when the bolt body (21) is vertically downward, the square bolt head (20) is restricted from sliding in the bolt placement space (A).