Automobile fastener with elastic gasket
By introducing elastic washers and limit slip ring structures into automotive fasteners, the problem of nut loosening is solved, achieving high fastening tightness and convenient disassembly of the fasteners, thereby improving the durability and safety of the entire vehicle.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-25
- Publication Date
- 2026-03-27
AI Technical Summary
Existing automotive fasteners are prone to nut loosening due to external forces during long-term use, resulting in poor fastening performance.
An automotive fastener with an elastic washer was designed. By fitting a first nut and a second nut onto a first stud and a second stud respectively, and by using a limiting slip ring and a small bolt, the relative positions of the first nut and the second nut are fixed to prevent loosening.
It significantly improves the tightness of automotive fasteners, prevents nuts from loosening due to external forces, and supports step-by-step disassembly, facilitating the replacement and repair of faulty parts.
Smart Images

Figure CN224049526U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the field of automobile fastener, especially a kind of automobile fastener with elastic gasket. BACKGROUND
[0002] Automobile fastener refers to a kind of mechanical element for connecting, fixing or sealing automobile parts, ensuring that vehicle structure is stable, safe and reliable, and meets the assembly process requirements.As a basic component of automobile manufacturing, the performance of fastener directly affects the durability, safety and lightweight level of the whole vehicle.
[0003] The patent with announcement number CN213117062U discloses a kind of anticorrosive fastener for automobile, by installing the rustproof cap cover welded by stainless steel layer and galvanized layer on stud head, it is favorable to prevent stud head from rusting in humid environment, affect the fastening effect of connecting piece, while the galvanized layer inside rustproof cap cover can also delay the rusting process, improve the service life of bolt, however, the fastener is usually fastened by using the thread of stud column and nut when in use, but in long-term use, fastener is prone to nut screw loosening due to external force, and the fastening property is relatively poor. UTILITY MODEL CONTENT
[0004] The technical problem to be solved by the utility model is to provide a kind of automobile fastener with elastic gasket, the fastener of existing fastener is usually fastened by using the thread of stud column and nut when in use, but in long-term use, fastener is prone to nut screw loosening due to external force, and the fastening property is relatively poor.
[0005] In order to solve the above technical problems, the technical scheme of the utility model is as follows: a kind of automobile fastener with elastic gasket, including the first stud column of fixed connection in the one side of stud block, still include the smooth column of setting in the one end of first stud column, the other end of smooth column is provided with second stud column, first stud column and second stud column are respectively sleeved with first nut and second nut, and elastic round pad is sleeved on first stud column;
[0006] Three groups of fixed rods are fixedly connected on the first nut, and the other end of the three groups of fixed rods is fixedly connected with a limit slip ring, a ring groove is formed in one side of the second nut, and a small bolt is arranged through the second nut.
[0007] As a further scheme of the utility model: the outer thread of the first stud column and the second stud column is symmetrically arranged, and the length of the first stud column and the second stud column is the same, the first stud column is threadedly connected with the first nut, and the second stud column is threadedly connected with the second nut.
[0008] As a further scheme of the utility model: three groups of the fixed rod are equidistantly distributed between the first nut and the limit slip ring, the limit slip ring is provided with an L-shaped cross section, and the limit slip ring is located on the inner side of the annular groove.
[0009] As a further scheme of the utility model: a plurality of groups of screw grooves are equidistantly formed on the limit slip ring, and the small bolts are threadedly connected with the limit slip ring through the screw grooves.
[0010] As a further scheme of the utility model: the both ends of the smooth column are fixedly connected with the first connecting rod and the second connecting rod respectively, the ends of the first connecting rod and the second connecting rod are fixedly connected with the first screw block and the second screw block respectively, and the first screw block and the second screw block are threadedly connected with the first nut and the second nut respectively.
[0011] As a further scheme of the utility model: the first connecting port and the second connecting port are respectively formed in the first screw column and the second screw column, the cross section of the first connecting rod and the second connecting rod is provided with a square shape, and the first connecting rod and the second connecting rod are matched with the first connecting port and the second connecting port respectively.
[0012] As a further scheme of the utility model: the through hole is formed in the middle of the bolt block, the first nut is located on the inner side of the through hole, and the first nut and the second nut are located on the ends of the first screw column and the second screw column respectively.
[0013] Compared with the prior art, the utility model has the advantages that when the fastened object is sleeved on the first screw column, the fastened object is tightly connected between the bolt block and the elastic round pad through the thread connection between the first nut and the first screw column, the second nut moves along the second screw column through the thread connection between the second nut and the second screw column, the limit slip ring rotates in the annular groove, the small bolt is threadedly connected with the limit slip ring through the screw groove, the position of the limit slip ring is fixed, the relative position of the first nut and the second nut is fixed, the outer threads of the first screw column and the second screw column are symmetrically arranged, the position loosening between the first nut and the first screw column due to external force can be avoided, and the fastening property of the automobile fastener is remarkably improved.
[0014] Compared with the prior art, the utility model has the advantages that when the automobile fastener has a local fault, the first nut is moved to the outer side of the smooth column, the first nut on the first screw block is removed, the first screw column is separated from the smooth column under the cooperation of the first connecting rod and the first connecting port, the second nut on the second screw column is spirally removed, the second nut on the second screw block is removed, the second screw column is separated from the smooth column under the cooperation of the second connecting rod and the second connecting port, the step-by-step dismounting function of the automobile fastener is realized, and the faulty parts can be replaced and repaired. BRIEF DESCRIPTION OF DRAWINGS
[0015] Figure 1 It is the whole structure schematic view of the automobile fastener with elastic gasket in the embodiment of the utility model;
[0016] Figure 2 It is the connection structure schematic view of the first nut and the second nut in the embodiment of the utility model;
[0017] Figure 3 It is the structure schematic view of the first stud and the second stud in the embodiment of the utility model;
[0018] Figure 4 It is the connection structure schematic view of the smooth column in the embodiment of the utility model.
[0019] In the drawing: 1, bolt block;2, first stud;3, smooth column;4, second stud;5, first nut;6, second nut;7, elastic round pad;8, fixed rod;9, limit sliding ring;10, annular groove;11, small bolt;12, screw groove;13, first connecting rod;14, first screw block;15, first nut;16, first connecting port;17, through port;18, second connecting rod;19, second screw block;20, second nut;21, second connecting port. DETAILED DESCRIPTION
[0020] The specific embodiments of the utility model are further described below in combination with the drawings. It needs to be explained here that the description of these embodiments is used to help understanding the utility model, but does not constitute the limitation to the utility model. In addition, the technical features involved in each embodiment of the utility model described below can be combined with each other as long as they do not conflict with each other.
[0021] Embodiment 1, please refer to Figures 1-4 An automobile fastener with elastic gasket, including the first stud 2 of fixed connection in bolt block 1 one side, still including the smooth column 3 of setting in the one end of first stud 2, the other end of smooth column 3 is provided with second stud 4, first stud 2 and second stud 4 are respectively sleeved with first nut 5 and second nut 6, first stud 2 is sleeved with elastic round pad 7, first nut 5 is fixedly connected with three groups of fixed rods 8, the other end of three groups of fixed rods 8 is fixedly connected with limit sliding ring 9, the side of second nut 6 is provided with annular groove 10, and small bolt 11 is provided on second nut 6.
[0022] The outer thread of first stud 2 and second stud 4 is symmetrically arranged, and the length of first stud 2 and second stud 4 is same, first stud 2 is threadedly connected with first nut 5, and second stud 4 is threadedly connected with second nut 6.
[0023] In this embodiment, the first stud 2 and the second stud 4 are used for the installation of the first nut 5 and the second nut 6.
[0024] The three groups of fixed rods 8 are equidistantly distributed between the first nut 5 and the limiting sliding ring 9, the cross-sectional shape of the limiting sliding ring 9 is L-shaped, and the limiting sliding ring 9 is located on the inner side of the annular groove 10.
[0025] In this embodiment, the limiting sliding ring 9 and the annular groove 10 are matched to prevent the rotation of the first nut 5 and the second nut 6 from affecting each other.
[0026] A plurality of groups of screw grooves 12 are equidistantly formed on the limiting sliding ring 9, and the small bolts 11 are threadedly connected with the limiting sliding ring 9 through the screw grooves 12.
[0027] In this embodiment, the small bolts 11 and the screw grooves 12 are matched to fix the position of the limiting sliding ring 9.
[0028] Specifically, when the fastened object is sleeved on the first stud 2, the first nut 5 and the first stud 2 are threadedly connected to tightly connect the fastened object between the stud block 1 and the elastic round pad 7, and the second nut 6 is threadedly connected with the second stud 4 to move along the second stud 4, at this time, the limiting sliding ring 9 rotates inside the annular groove 10, and then the small bolts 11 are threadedly connected with the limiting sliding ring 9 through the second nut 6 and the screw grooves 12 to fix the position of the limiting sliding ring 9, so that the relative position of the first nut 5 and the second nut 6 is fixed, and the external threads of the first stud 2 and the second stud 4 are symmetrically arranged, which can avoid the loosening of the position between the first nut 5 and the first stud 2 due to external force, and significantly improve the fastening of the automobile fastener.
[0029] Embodiment 2, please refer to Figures 1-4 An automobile fastener with an elastic gasket, both ends of the smooth column 3 are fixedly connected with a first connecting rod 13 and a second connecting rod 18, respectively, the ends of the first connecting rod 13 and the second connecting rod 18 are fixedly connected with a first screw block 14 and a second screw block 19, respectively, the first screw block 14 and the second screw block 19 are threadedly connected with a first nut 15 and a second nut 20, respectively, the first stud 2 and the second stud 4 are respectively provided with a first connecting port 16 and a second connecting port 21, the cross-sectional shape of the first connecting rod 13 and the second connecting rod 18 is square, and the first connecting rod 13 and the second connecting rod 18 are respectively matched with the first connecting port 16 and the second connecting port 21.
[0030] The through port 17 is formed in the middle of the stud block 1, and the first nut 15 is located on the inner side of the through port 17, and the first nut 15 and the second nut 20 are respectively located at the ends of the first stud 2 and the second stud 4.
[0031] In the embodiment, the first screw post 2 and the second screw post 4 are respectively limited at two ends of the smooth post 3 by cooperation of the first screw nut 15 and the first screw block 14 with the second screw nut 20 and the second screw block 19.
[0032] Specifically, when the automobile fastener has a local failure, the first nut 5 is first moved to the outside of the smooth post 3, the first screw nut 15 on the first screw block 14 is then removed, the first screw post 2 is separated from the smooth post 3 under cooperation of the first connecting rod 13 and the first connecting port 16, the second nut 6 on the second screw post 4 is then screwed off, the second screw nut 20 on the second screw block 19 is then removed, the second screw post 4 is separated from the smooth post 3 under cooperation of the second connecting rod 18 and the second connecting port 21, and the step-by-step disassembly function of the automobile fastener is realized, so that the failure parts can be replaced and repaired.
[0033] The embodiments of the utility model are described in detail above in combination with the drawings, but the utility model is not limited to the described embodiments. For those skilled in the art, various changes, modifications, replacements and modifications can be made to the embodiments without departing from the principles and spirits of the utility model, and still fall within the protection scope of the utility model.
Claims
1. A fastener for a motor vehicle with elastic washer comprising a first stud (2) fixed to one side of a stud block (1), characterised in that: Also include the smooth column (3) set in the first stud (2) one end, the other end of the smooth column (3) is provided with the second stud (4), the first stud (2) and the second stud (4) are respectively sleeved with the first nut (5) and the second nut (6), the first stud (2) is sleeved with the elastic round pad (7); The first nut (5) is fixedly connected with three groups of fixed rods (8), the other end of the three groups of fixed rods (8) is fixedly connected with a limit slip ring (9), one side of the second nut (6) is provided with an annular groove (10), and the second nut (6) is provided with a small bolt (11).
2. The automotive fastener with elastic gasket according to claim 1, wherein: The outer threads of the first stud (2) and the second stud (4) are symmetrically arranged, and the lengths of the first stud (2) and the second stud (4) are the same, the first stud (2) is threadedly connected with the first nut (5), and the second stud (4) is threadedly connected with the second nut (6).
3. The automotive fastener with elastic gasket according to claim 1, wherein: The three groups of fixed rods (8) are equally spaced between the first nut (5) and the limit slip ring (9), the limit slip ring (9) is L-shaped in cross section, and the limit slip ring (9) is located inside the annular groove (10).
4. The automotive fastener with elastic gasket according to claim 3, wherein: A plurality of screw grooves (12) are equally spaced on the limit slip ring (9), and the small bolt (11) is threadedly connected with the limit slip ring (9) through the screw groove (12).
5. The automotive fastener with elastic gasket according to claim 1, wherein: Both ends of the smooth column (3) are fixedly connected with a first connecting rod (13) and a second connecting rod (18), the ends of the first connecting rod (13) and the second connecting rod (18) are fixedly connected with a first screw block (14) and a second screw block (19), and the first screw block (14) and the second screw block (19) are respectively threadedly connected with a first nut (15) and a second nut (20).
6. The automotive fastener with elastic gasket according to claim 5, wherein: The first stud (2) and the second stud (4) are respectively provided with a first connecting port (16) and a second connecting port (21), the first connecting rod (13) and the second connecting rod (18) are square in cross section, and the first connecting rod (13) and the second connecting rod (18) are respectively fitted with the first connecting port (16) and the second connecting port (21).
7. The automotive fastener with elastic gasket according to claim 5, wherein: The through hole (17) is provided in the middle of the stud (1), and the first nut (15) is located inside the through hole (17), and the first nut (15) and the second nut (20) are respectively located at the ends of the first stud (2) and the second stud (4).
Citation Information
Patent Citations
Anti-corrosion fastener for automobile
CN213117062U