Fastening bolt limiting device
The screw lock mechanism stabilizes screw connections by using a limiting component with springs and inclined blocks to prevent loosening, enhancing stability and reducing maintenance needs.
Patent Information
- Application Number
- CN202422493063.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-15
- Publication Date
- 2025-07-15
- Estimated Expiration
- 2034-10-15
AI Technical Summary
Existing bolts are prone to loosening during use, resulting in unstable connections, increasing maintenance workload, and potentially damaging the connecting parts.
A fastening bolt limiting device is designed. Through the limiting assembly and housing structure, the spring and the insertion rod are used to achieve double fixation of the bolt, prevent the bolt from rotating, and increase the contact area through the gasket to evenly distribute the pressure.
Effectively prevent bolts from loosening, keep the connection stable, reduce maintenance work, protect connecting parts, and save manpower and material resources and time costs.
Smart Images
Figure CN223105015U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of bolt limiting devices, in particular to a fastening bolt limiting device. Background Technique
[0002] At present, many electronic devices, or hardware devices, etc. all use bolts to realize the connection and fixation between components and structures, which is a very common connection method. However, after the current bolts are assembled, nuts are usually used for limiting and fixing. However, with the use of the device, collisions are inevitable, such as during transportation, etc., which often cause the nuts to loosen, and then the bolts to become loose. In addition, in some other scenarios, there may be multiple components stacked and fixed. In this way, when disassembling the bolts of the upper components, the lower components often rotate together, and then the bolts of the lower components also become loose, which requires the staff to re-assemble and fix, increasing the work of the staff; therefore, we propose a fastening bolt limiting device to solve this problem. Content of the Utility Model
[0003] The purpose of the utility model is to provide a fastening bolt limiting device to solve the problems raised in the above background technique.
[0004] In order to achieve the above purpose, the utility model adopts the following technical scheme:
[0005] A fastening bolt limiting device includes: part one and part two. A shell is arranged at the top of part one. The same group of bolt bodies are arranged inside the shell, part one and part two. A knob is fixedly installed at the top of the bolt body. The bolt body is threadedly connected with a nut. A limiting component is arranged inside the shell. The limiting component includes: a connecting plate and two groups of inclined blocks two. Two groups of inclined blocks one are fixedly installed at the bottom of the connecting plate. Sliders are fixedly installed at the bottoms of the two groups of inclined blocks one. The two sliders are respectively slidably installed inside the corresponding inclined blocks two. Plug rods are fixedly installed at the bottoms of the two groups of inclined blocks two. Two groups of slots are opened on the outer side of the bolt body. The two plug rods are respectively movably inserted into the corresponding slots.
[0006] Preferably, four groups of springs one are fixedly installed at the bottom of the connecting plate. The bottom ends of the four groups of springs one are fixedly connected with the bottom inner wall of the shell.
[0007] Preferably, fixed blocks are fixedly installed at the bottoms of the two groups of plug rods. Springs two are fixedly installed on the mutually remote sides of the two fixed blocks. The mutually remote ends of the two groups of springs two are respectively fixedly connected with the inner walls of the two sides of the shell.
[0008] Preferably, two pressing plates are fixedly installed at the top of the connecting plate. The two pressing plates are movably installed inside the housing. The knob is in movable abutment with the two pressing plates. Gasket one and gasket two are respectively sleeved on the outer side of the bolt body. The two ends of gasket one are respectively in movable abutment with the knob and the housing. The two ends of gasket two are respectively in movable abutment with the nut and component two.
[0009] Preferably, four first limiting rods are slidably installed inside the connecting plate. The two ends of the four first limiting rods are respectively fixedly connected to the inner walls of the two sides of the housing. The four first springs are respectively sleeved on the outer sides of the corresponding first limiting rods.
[0010] Preferably, second limiting rods are slidably installed inside the two fixing blocks. The mutually remote ends of the second limiting rods are respectively fixedly connected to the inner walls of the two sides of the housing. The two second springs are respectively sleeved on the outer sides of the corresponding second limiting rods.
[0011] In the present utility model, for the described fastening bolt limiting device, by providing a limiting assembly and a housing, by stopping the extrusion of the pressing plate, under the reset action of the four first springs, the connecting plate drives the top and bottom pressing plates and the first inclined block to rebound, so that the knob is stuck inside the two pressing plates. Then, under the reset action of the second springs, the two insertion rods approach each other, and the two insertion rods are movably inserted into the slots opened inside the bolt body, so as to limit and fix the bolt body, realizing the double fixation of the bolt body. By limiting the bolt body, the rotation of the bolt body is prevented, ensuring that its fastening force always remains at the set value, making the connection part more stable, reducing the structural looseness or failure caused by the loosening of the bolt, and reducing the maintenance and repair work that needs to be carried out frequently due to the loosening of the bolt, saving labor, material and time costs.
[0012] In the present utility model, for the described fastening bolt limiting device, by providing gasket one and gasket two, the contact area between the bolt and the connected part is increased through the gasket, so that the pressure is more evenly distributed, preventing the surface of the connected part from being directly damaged by the bolt head or the nut, playing a protective role and reducing the damage caused by excessive local pressure. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] Figure 1 is a three-dimensional structural schematic diagram of a fastening bolt limiting device proposed by the present utility model;
[0014] Figure 2 is a cross-sectional structural schematic diagram of a fastening bolt limiting device proposed by the present utility model;
[0015] Figure 3 is Figure 2 a partial enlarged view of part A in
[0016] Figure 4 Structural schematic diagram of the limit component proposed by the present utility model.
[0017] In the figure: 1, knob; 2, bolt body; 3, nut; 4, first gasket; 5, second gasket; 6, housing; 7, first component; 8, second component; 9, limit component; 901, pressing plate; 902, connecting plate; 903, first limiting rod; 904, first spring; 905, first inclined block; 906, second inclined block; 907, inserting rod; 908, second limiting rod; 909, second spring; 910, fixing block. Specific implementation manner
[0018] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments.
[0019] Refer to Figures 1-4 , a fastening bolt limiting device, including: a first component 7 and a second component 8. A housing 6 is provided at the top of the first component 7. The same set of bolt bodies 2 are provided inside the housing 6, the first component 7 and the second component 8. A knob 1 is fixedly installed at the top of the bolt body 2. The bolt body 2 is threadedly connected with a nut 3. A limit component 9 is provided inside the housing 6. The limit component 9 includes: a connecting plate 902 and two groups of second inclined blocks 906. Two groups of first inclined blocks 905 are fixedly installed at the bottom of the connecting plate 902. Sliders are fixedly installed at the bottoms of the two groups of first inclined blocks 905. The two groups of sliders are respectively slidably installed inside the corresponding second inclined blocks 906. Inserting rods 907 are fixedly installed at the bottoms of the two groups of second inclined blocks 906. Two groups of slots are provided on the outer side of the bolt body 2. The two groups of inserting rods 907 are respectively movably inserted inside the corresponding slots.
[0020] In this embodiment, four groups of first springs 904 are fixedly installed at the bottom of the connecting plate 902. The bottom ends of the four groups of first springs 904 are fixedly connected to the bottom inner wall of the housing 6, which is convenient for the connecting plate 902 to drive the first inclined block 905 and the pressing plate 901 to reset, and is convenient for limiting and fixing the bolt body 2. Fixing blocks 910 are fixedly installed at the bottoms of the two groups of inserting rods 907. Second springs 909 are fixedly installed on the mutually remote sides of the two groups of fixing blocks 910. The mutually remote ends of the two groups of second springs 909 are respectively fixedly connected to the inner walls of the two sides of the housing 6, which is convenient for the fixing block 910 to drive the inserting rod 907 and the second inclined block 906 to reset, and is convenient for limiting and fixing the bolt body 2.
[0021] In this embodiment, two sets of pressing plates 901 are fixedly installed at the top of the connecting plate 902. The two sets of pressing plates 901 are movably installed inside the housing 6. The knob 1 is in movable abutment with the two sets of pressing plates 901. A first gasket 4 and a second gasket 5 are respectively sleeved on the outer side of the bolt body 2. The two ends of the first gasket 4 are respectively in movable abutment with the knob 1 and the housing 6. The two ends of the second gasket 5 are respectively in movable abutment with the nut 3 and the second component 8, which is convenient for increasing the force-bearing area and preventing the second component 8 and the housing 6 from being damaged due to excessive pressure. Four sets of first limiting rods 903 are slidably installed inside the connecting plate 902. The two ends of the four sets of first limiting rods 903 are respectively fixedly connected to the inner walls of the two sides of the housing 6. Four sets of first springs 904 are respectively sleeved on the outer sides of the corresponding first limiting rods 903, which is convenient for the stable movement of the plate. Two sets of second limiting rods 908 are slidably installed inside the two fixing blocks 910. The mutually remote ends of the second limiting rods 908 are respectively fixedly connected to the inner walls of the two sides of the housing 6. Two sets of second springs 909 are respectively sleeved on the outer sides of the corresponding second limiting rods 908, which is convenient for the stable movement of the fixing blocks 910.
[0022] In this embodiment, during use, by pressing the two sets of pressing plates 901, the two sets of pressing plates 901 drive the bottom connecting plate 902 to slide on the four sets of first limiting rods 903 while squeezing the first springs 904, so that the connecting plate 902 drives the inclined surfaces of the two sets of first inclined blocks 905 to squeeze the inclined surfaces of the two sets of second inclined blocks 906, so that the two sets of second inclined blocks 906 drive the bottom inserting rods 907 and the fixing blocks 910 to move away from each other, so that the two sets of fixing blocks 910 squeeze while sliding on the second limiting rods 908 and squeeze the second springs 909. At this time, by placing the first gasket 4 on the top of the housing 6, and then inserting the bolt body 2 driving the knob 1 into the first gasket 4, the housing 6, the first component 7 and the second component 8 movably, then sleeving the second gasket 5 on the outer side of the bolt body 2, and then fixing the first component 7 and the second component 8 by rotating the nut 3. Then, by stopping the extrusion of the pressing plate 901, under the reset action of the four sets of first springs 904, the connecting plate 902 drives the top and bottom pressing plates 901 and the first inclined blocks 905 to rebound, so that the knob 1 is stuck inside the two sets of pressing plates 901. Then, under the reset action of the second springs 909, the two sets of inserting rods 907 approach each other, so that the two sets of inserting rods 907 are movably inserted into the slots formed inside the bolt body 2, so as to limit and fix the bolt body 2 and prevent the bolt body 2 from rotating.
[0023] The above has introduced in detail a fastening bolt limiting device provided by the present utility model. Specific embodiments are used in this article to elaborate on the principle and implementation manner of the present utility model. The description of the above embodiments is only used to help understand the method and its core idea of the present utility model. It should be noted that for those of ordinary skill in the art of this technology, without departing from the principle of the present utility model, several improvements and modifications can still be made to the present utility model, and these improvements and modifications also fall within the protection scope of the claims of the present utility model.
Claims
1. A fastening bolt limiting device, characterized in that, Including: Component 1 (7) and Component 2 (8). A housing (6) is provided at the top of Component 1 (7). The same set of bolt bodies (2) are provided inside the housing (6), Component 1 (7), and Component 2 (8). A knob (1) is fixedly installed at the top of the bolt body (2). The bolt body (2) is threadedly connected with a nut (3). A limiting component (9) is provided inside the housing (6). The limiting component (9) includes: a connecting plate (902) and two sets of inclined blocks 2 (906). Two sets of inclined blocks 1 (905) are fixedly installed at the bottom of the connecting plate (902). Sliders are fixedly installed at the bottoms of the two sets of inclined blocks 1 (905). The two sliders are respectively slidably installed inside the corresponding inclined blocks 2 (906). Plug rods (907) are fixedly installed at the bottoms of the two sets of inclined blocks 2 (906). Two slots are provided on the outer side of the bolt body (2). The two plug rods (907) are respectively movably inserted into the corresponding slots.
2. The fastening bolt limiting device according to claim 1, characterized in that, Four sets of spring 1 (904) are fixedly installed at the bottom of the connecting plate (902). The bottom ends of the four sets of spring 1 (904) are fixedly connected to the bottom inner wall of the housing (6).
3. The fastening bolt limiting device according to claim 1, characterized in that, Fixed blocks (910) are fixedly installed at the bottoms of the two plug rods (907). Spring 2 (909) is fixedly installed on the side of each of the two fixed blocks (910) away from each other. The ends of the two sets of spring 2 (909) away from each other are respectively fixedly connected to the inner walls of the two sides of the housing (6).
4. A fastening bolt limit device according to claim 1, characterized in that, Two sets of pressing plates (901) are fixedly installed at the top of the connecting plate (902). The two sets of pressing plates (901) are movably installed inside the housing (6). The knob (1) is in movable contact with the two sets of pressing plates (901). A gasket 1 (4) and a gasket 2 (5) are respectively sleeved on the outer side of the bolt body (2). The two ends of the gasket 1 (4) are respectively in movable contact with the knob (1) and the housing (6). The two ends of the gasket 2 (5) are respectively in movable contact with the nut (3) and Component 2 (8).
5. The fastening bolt limiting device according to claim 2, wherein, Four sets of limiting rods 1 (903) are slidably installed inside the connecting plate (902). The two ends of the four sets of limiting rods 1 (903) are respectively fixedly connected to the inner walls of the two sides of the housing (6). The four sets of spring 1 (904) are respectively sleeved on the outer sides of the corresponding limiting rods 1 (903).
6. The fastening bolt limiting device according to claim 3, wherein, Limiting rods 2 (908) are slidably installed inside each of the two fixed blocks (910). The ends of the limiting rods 2 (908) away from each other are respectively fixedly connected to the inner walls of the two sides of the housing (6). The two sets of spring 2 (909) are respectively sleeved on the outer sides of the corresponding limiting rods 2 (908).