Spherical joint bolt anti-loosening structure of grid structure
By designing limited tanks and limited fixing structures in the network rack node bolt connection, and combined with the use of rubber rings and nylon tapes, the problem of traditional bolt connection method is loose after vibration or long -term stress. Improve the stability of the structure and the effects of earthquake resistance.
Patent Information
- Application Number
- CN202421067341.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-16
- Publication Date
- 2025-01-28
- Estimated Expiration
- 2034-05-16
AI Technical Summary
The traditional bolt connection method is prone to loosening after being subjected to vibration or long-term stress, which affects the stability and load-bearing capacity of the grid structure and may cause safety accidents.
Designed a grid structure Ball node bolt anti -loose structure. By opening a limited tank on the screw main body, and setting the ring on the interface of the ball node main body and the screw main body, after the screw main body is connected to the ball node main thread, the ball node main thread is connected. The limited tank is fixed in the interior of the limited tank, and then the ring is closed and fixed through the fixed screw. At the same time, the screw body is fixed on the rubber ring, and the groove with the rubber ring shape is opened inside the main interface of the ball node to absorb the vibration of the rubber ring.
The problem of loosening the traditional bolt connection method after vibration or long -term stress is effectively solved, it improves the stability and carrying capacity of the grid structure, enhances the seismic effect, and avoids the occurrence of safety accidents.
Smart Images
Figure CN222415604U_ABST
Abstract
Description
Technical Field
[0001] The utility model application relates to the technical field of anti-loosening structures, in particular to an anti-loosening structure for ball node bolts of a grid structure. Background Art
[0002] Bolt ball nodes are composed of bolts, steel balls, pins (or screws), sleeves and cone heads or cover plates. They are suitable for connecting steel pipe rods and are mainly used in grid structures. Bolt ball nodes have a wide range of applications and can be used to assemble various spatial bar structures, such as grids, grid shells, three-dimensional trusses, towers, scaffolding, etc. They can be used for both permanent and temporary buildings, and are easy to install, disassemble and expand. The largest rod tension in domestic bolt ball node grids is 75t, and the maximum suspension crane is 5t.
[0003] Due to its high stability, high flexibility and high reliability, grid structures are widely used in large-span buildings such as stadiums and exhibition halls, as well as projects such as bridges. However, in grid structures, the loosening of ball node bolts has always been a difficult problem that plagues construction and maintenance. Traditional bolt connection methods are prone to loosening after being subjected to vibration or long-term stress, which not only affects the stability and bearing capacity of the grid structure, but may also cause safety accidents. Summary of the invention
[0004] In order to solve the problem that traditional bolt connection methods are prone to loosening after being subjected to vibration or long-term stress, which not only affects the stability and bearing capacity of the grid structure but also may cause safety accidents, the utility model provides a grid structure ball node bolt anti-loosening structure to solve the above problem.
[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:
[0006] A grid structure ball node bolt anti-loosening structure comprises a ball node body and a screw rod body, wherein the ball node body is threadedly connected to the screw rod body, a fixing rod is fixed to one end of the ball node body close to the screw rod body, two holding rings are rotatably connected to the fixing rod, screw holes are formed at one end of the two holding rings away from the fixing rod, and fixing screws are threadedly connected inside the screw holes.
[0007] Furthermore, a rubber ring is fixed to one end of the screw body close to the thread, and a groove matching the shape of the rubber ring is provided inside the interface end of the ball joint body.
[0008] Furthermore, a tape is provided at the threaded end of the screw body, and the tape is made of nylon.
[0009] Furthermore, the shape of the holding ring is semi-elliptical, and a limiting groove is provided on the screw body.
[0010] Furthermore, the limiting groove is located below the rubber ring, and the radius of the rubber ring is equal to the radius of the screw body.
[0011] Furthermore, the height of the limiting groove is equal to the height of the holding ring, and the radius of the limiting groove is equal to the radius inside the holding ring.
[0012] Compared with the prior art, the beneficial effects of the utility model are:
[0013] 1. In the utility model, a limiting groove is provided on the screw body, and a holding ring is provided at the interface between the ball node body and the screw body, so that after the screw body and the ball node body are threadedly connected, the holding ring is inserted into the limiting groove to limit and fix the screw body, and the holding ring is closed and fixed by a fixing screw, thereby solving the problem that the traditional bolt connection method is prone to loosening after being subjected to vibration or long-term stress, which not only affects the stability and bearing capacity of the grid structure, but also may cause safety accidents.
[0014] 2. In the utility model, a rubber ring is fixed on the screw body, and a groove matching the shape of the rubber ring is opened inside the interface of the ball node body, so that when the screw body is threadedly connected with the ball node body, the rubber ring is stuck into the groove. When the ball node body vibrates, part of the vibration is absorbed by the rubber ring. At the same time, the screw body is wrapped with tape before being connected to the inside of the ball node body, so that the tape fills the gap between the ball node body and the screw body, thereby improving the seismic effect of the connection between the ball node body and the screw body. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. 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 paying creative labor.
[0016] Figure 1 is a schematic diagram of a three-dimensional structure according to an embodiment of the present application;
[0017] Figure 2 yes Figure 1 A three-dimensional schematic diagram of the structure after opening in the embodiment shown;
[0018] Figure 3 yes Figure 1 The illustrated embodiment is a three-dimensional schematic diagram of the structure after opening.
[0019] The meanings of the reference numerals in the figure are: 1. ball joint body; 2. screw body; 3. limit groove; 4. rubber ring; 5. fixing rod; 6. holding ring; 7. fixing screw; 8. screw hole. DETAILED DESCRIPTION
[0020] In order to make the purpose, features, and advantages of the present application more obvious and easy to understand, the technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the embodiments described below are only part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of this application.
[0021] Reference Figure 1 , Figure 2 and Figure 3 A grid structure ball node bolt anti-loosening structure includes a ball node body 1 and a screw body 2. The ball node body 1 is threadedly connected to the screw body 2. A fixing rod 5 is fixed to one end of the ball node body 1 close to the screw body 2. Two holding rings 6 are rotatably connected to the fixing rod 5. Screw holes 8 are opened at one end of the two holding rings 6 away from the fixing rod 5. Fixing screws 7 are threadedly connected inside the screw holes 8, so that the holding rings 6 limit the screw body 2.
[0022] Specifically, a rubber ring 4 is fixed to one end of the screw body 2 close to the thread, and a groove matching the shape of the rubber ring 4 is opened inside the interface end of the ball joint body 1, so that the rubber ring 4 absorbs vibration, and a tape is provided at the threaded end of the screw body 2, and the material of the tape is nylon, so that the tape fills the gap between the ball joint body 1 and the screw body 2.
[0023] As an optimization solution, Figure 1 , Figure 2 and Figure 3 As shown, the shape of the holding ring 6 is semi-elliptical, and a limiting groove 3 is provided on the screw body 2, so that the holding ring 6 can limit and fix the screw body 2 through the limiting groove 3.
[0024] Specifically, the limiting groove 3 is located below the rubber ring 4, the radius of the rubber ring 4 is equal to the radius of the screw body 2, the height of the limiting groove 3 is equal to the height of the holding ring 6, and the radius of the limiting groove 3 is equal to the radius inside the holding ring 6, so that the holding ring 6 fixes the screw body 2 more firmly.
[0025] Working principle: Turn the fixing screw 7 to release the fixing of the fixing screw 7 on the holding ring 6, open the holding ring 6, and make the holding ring 6 rotate on the fixing rod 5, then wrap the tape around the threaded end of the screw body 2, and then thread the screw body 2 and the ball node body 1 together. At this time, the tape fills the gap between the ball node body 1 and the screw body 2. At the same time, when the screw body 2 enters the inside of the ball node body 1, the rubber ring 4 is also stuck in the groove inside the ball node body 1. At this time, close the holding ring 6 so that the holding ring 6 is stuck in the limiting groove 3. At this time, the holding ring 6 limits and fixes the screw body 2, and at the same time, turn the fixing screw 7 so that the fixing screw 7 fixes the closed holding ring 6.
[0026] It will be apparent to those skilled in the art that the present application is not limited to the details of the exemplary embodiments described above, and that the present application can be implemented in other specific forms without departing from the spirit or essential features of the present application. Therefore, the embodiments should be considered exemplary and non-limiting in all respects, and the scope of the present application is defined by the appended claims rather than the above description, and it is intended that all changes within the meaning and scope of the equivalent elements of the claims be included in the present application. Any reference numeral in a claim should not be considered as limiting the claim to which it relates.
[0027] As described above, the above embodiments are only used to illustrate the technical solutions of the present application, rather than to limit them. Although the present application has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the embodiments of the present application.
Claims
1. A grid structure ball node bolt anti-loosening structure, comprising a ball node body (1) and a screw body (2), wherein the ball node body (1) is threadedly connected to the screw body (2), characterized in that: A fixing rod (5) is fixed to one end of the ball joint body (1) close to the screw body (2), and two holding rings (6) are rotatably connected to the fixing rod (5). The ends of the two holding rings (6) away from the fixing rod (5) are provided with screw holes (8), and the screw holes (8) are internally threadedly connected with fixing screws (7).
2. The anti-loosening structure of ball node bolts of a grid structure according to claim 1, characterized in that: A rubber ring (4) is fixed to one end of the screw rod body (2) close to the thread, and a groove matching the shape of the rubber ring (4) is provided inside the interface end of the ball joint body (1).
3. The anti-loosening structure of ball node bolts of a grid structure according to claim 1, characterized in that: The threaded end of the screw body (2) is provided with an adhesive tape, and the material of the adhesive tape is nylon.
4. The anti-loosening structure of ball node bolts of a grid structure according to claim 1, characterized in that: The shape of the holding ring (6) is semi-elliptical, and a limiting groove (3) is provided on the screw body (2).
5. The anti-loosening structure of ball node bolts of a grid structure according to claim 4, characterized in that: The limiting groove (3) is located below the rubber ring (4), and the radius of the rubber ring (4) is equal to the radius of the screw body (2).
6. The anti-loosening structure of ball node bolts of a grid structure according to claim 4, characterized in that: The height of the limiting groove (3) is equal to the height of the embracing ring (6), and the radius of the limiting groove (3) is equal to the inner radius of the embracing ring (6).