Lock bolt for automobile
By designing an anti-loosening mechanism on the bolt, the spring force of the spring plate pushes the nut in the opposite direction, solving the problem of reduced anti-loosening effect caused by washer wear, and achieving stable bolt connection and convenient maintenance.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-06-04
- Publication Date
- 2026-04-10
AI Technical Summary
Existing automotive anti-loosening bolts suffer from wear and tear on the washers after prolonged use, resulting in reduced anti-loosening effectiveness.
A structure including a bolt, a first nut, an anti-loosening mechanism, a fixing plate, a mounting shell, a connecting plate, a mounting plate, and first and second spring plates is designed. The spring plates push the nut in the opposite direction to achieve a tight fit between the bolt and the nut, prevent loosening, and allow the replacement of the spring plates.
It effectively prevents the nut from loosening, avoids the reduction in anti-loosening effect caused by washer wear, and facilitates the replacement of the spring plate.
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Figure CN224107528U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of automobile bolt, specifically is a kind of automobile lock bolt. BACKGROUND
[0002] Automobile lock bolt is a kind of special bolt, is used to solve the problem that ordinary bolt is loose due to vibration and other factors during use, traditional bolt generally does not have anti-loose function, and automobile can vibrate during driving, and ordinary bolt can be loose or even separated after long time use, which seriously affects the normal operation and safety of automobile, and machine damage and personnel casualty accidents caused by bolt loosening occur occasionally.
[0003] The utility model discloses a kind of automobile bolts, including device body, the device body is composed of screw rod main body and bolt head, the screw rod main body upper end is fixedly connected with the lower surface of bolt head, further include: thread, the thread is wound and arranged on the outer side of screw rod main body;Internal hexagonal screw hole, the internal hexagonal screw hole is set in the middle of bolt head upper surface;Fixed mechanism, the fixed mechanism is penetrated by screw rod main body lower end and is slidably arranged on the outer side of screw rod main body, buckle mechanism is arranged in the fixed mechanism;Protective cap, the protective cap is arranged above fixed mechanism and is slidably connected with fixed mechanism, the utility model, by the fixed mechanism and protective cap, on the one hand, the fastening thread on the lower surface of gasket provides more fastening fixed effect for bolt, while protective cap provides protection effect for device body, effectively improve the stability of device body.
[0004] The automobile lock bolt disclosed in the above document has the following defects: during use of automobile bolt, the gasket is prone to wear after long time use, which reduces the anti-loose effect.
[0005] Therefore, the existing automobile lock bolt does not have a good anti-loose structure for the bolt, and needs to be improved to provide an automobile lock bolt. UTILITY MODEL CONTENTS
[0006] The utility model aims at an automobile lock bolt, which solves the problem of traditional automobile lock bolt, gasket wear after long time use during use of automobile bolt, which reduces the anti-loose effect.
[0007] To solve the above technical problems, the utility model is realized by the following technical solutions:
[0008] The utility model discloses a kind of anti-loose bolts for automobile, including bolt, the upper surface of the bolt is provided with hexagon hole, the outer surface of the bolt is threadedly connected with first nut, the outer surface of the bolt is equipped with anti-loose mechanism, the fixed end of the anti-loose mechanism is arranged on the upper surface of first nut, the upper surface of the anti-loose mechanism is equipped with fixed mechanism, the fixed end of the fixed mechanism is arranged the lower surface of anti-loose mechanism.
[0009] Further, the anti-loose mechanism includes a fixed plate, the outer surface of the bolt is sleeved with the fixed plate, the outer surface of the bolt is sleeved with a mounting shell, and the mounting shell and the fixed plate are connected.
[0010] Further, the outer surface of the bolt is sleeved with a connecting plate, one end of the connecting plate is connected with the first nut, and the other end extends to the inside of the mounting shell. A mounting plate is fixedly installed on the upper surface of the connecting plate. The inner surface of the mounting plate is connected with the outer surface of the bolt.
[0011] Further, the upper surface of the mounting plate is fixedly installed with a first spring piece. The inner surface of the first spring piece is connected with the outer surface of the bolt. A second spring piece is fixedly installed on the upper surface of the first spring piece. The inner surface of the second spring piece is connected with the outer surface of the bolt.
[0012] Further, the fixed mechanism includes a threaded rod. Four threaded rods are rotatably connected inside the bolt. The threaded rods pass through the fixed plate and the mounting shell. A knob is fixedly installed on the upper surface of each threaded rod.
[0013] Further, the outer surface of the threaded rod is threadedly connected with a second nut.
[0014] The utility model has the following beneficial effects:
[0015] (1) The utility model discloses a bolt is installed on the car, then the first nut is screwed, when the first nut is tightened, the nut will push to the inside, the nut pushes to the inside and will drive the connecting plate to move, the connecting plate moves and drives the mounting plate to extrude the first spring piece and the second spring piece to make them receive pressure and deform, then the first spring piece and the second spring piece generate elastic force and push the first nut reversely, so that the first nut and the bolt are closely matched, thereby the effect of preventing the first nut from loosening is achieved, and the problem that the gasket is easily worn out after long-term use in the prior art is avoided, thereby reducing the anti-loose effect.
[0016] (2) When the first spring piece and the second spring piece inside the mounting shell are damaged, the threaded rod can be pulled out by unscrewing the second nut, and then the mounting shell is taken out. The first spring piece and the second spring piece are replaced, thereby achieving the effect of convenient replacement.
[0017] Of course, any product implementing the present application does not necessarily need to achieve all the advantages mentioned above simultaneously. BRIEF DESCRIPTION OF DRAWINGS
[0018] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the description of the embodiments. Obviously, the drawings described in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor on the basis of these drawings.
[0019] Figure 1 It is a schematic diagram of the overall structure of the present application.
[0020] Figure 2 It is a schematic diagram of the overall structure of the present application.
[0021] Figure 3 It is a schematic diagram of part of the structure of the present application. Figure 1
[0022] Figure 4 It is a schematic diagram of part of the structure of the present application. Figure 2
[0023] It is a schematic diagram of the structure of the anti-loosening mechanism of the present application. Figure 5 In the drawings, the components represented by each reference numeral are listed as follows:
[0024] In the drawings, 1, bolt; 2, hexagonal hole; 3, first nut; 4, anti-loosening mechanism; 401, fixed plate; 402, mounting shell; 403, connecting plate; 404, mounting plate; 405, first spring plate; 406, second spring plate; 5, fixing mechanism; 501, threaded rod; 502, knob; 503, second nut.
[0025] DETAILED DESCRIPTION The technical solutions in the embodiments of the present application will be described clearly and completely in combination with the drawings in the embodiments of the present application. Obviously, the described embodiments are only some embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application.
[0026] Please refer to
[0027] Please refer to Figures 1-5 The utility model discloses a kind of automobile lock bolt, including bolt 1, the upper surface of bolt 1 is provided with hexagon hole 2, the outer surface of bolt 1 is threadedly connected with first nut 3, the outer surface of bolt 1 is equipped with anti-loosening mechanism 4, the fixed end of anti-loosening mechanism 4 is arranged on the upper surface of first nut 3, the upper surface of anti-loosening mechanism 4 is equipped with fixed mechanism 5, the fixed end of fixed mechanism 5 is arranged the lower surface of anti-loosening mechanism 4.
[0028] Anti-loosening mechanism 4 includes fixed plate 401, the outer surface of bolt 1 is sleeved with fixed plate 401, the outer surface of bolt 1 is sleeved with installation shell 402, installation shell 402 and fixed plate 401 are connected;
[0029] The outer surface of bolt 1 is sleeved with connecting plate 403, one end of connecting plate 403 is connected with first nut 3, and the other end extends to the inside of installation shell 402, the upper surface of connecting plate 403 is fixedly installed with mounting plate 404, the inner surface of mounting plate 404 is connected with the outer surface of bolt 1;
[0030] The upper surface of mounting plate 404 is fixedly installed with first spring piece 405, the inner surface of first spring piece 405 is connected with the outer surface of bolt 1, the upper surface of first spring piece 405 is fixedly installed with second spring piece 406, the inner surface of second spring piece 406 is connected with the outer surface of bolt 1;
[0031] First bolt 1 is installed on automobile, then first nut 3 is screwed, when first nut 3 is tightened, nut will push to the inside, nut pushes to the inside and will drive connecting plate 403 to move, connecting plate 403 moves and drives mounting plate 404 to extrude first spring piece 405 and second spring piece 406 to be under pressure and deformation, then first spring piece 405 and second spring piece 406 generate elastic force and push first nut 3 reversely, make first nut 3 and bolt 1 closely cooperate, to prevent first nut 3 from loosening effect, avoid the gasket in prior art when automobile bolt is used, gasket is prone to wear after long time use, and then lead to the situation that anti-loosening effect reduces.
[0032] Fixed mechanism 5 includes threaded rod 501, four threaded rods 501 are rotatably connected in the inside of bolt 1, threaded rod 501 penetrates fixed plate 401 and installation shell 402, the upper surface of threaded rod 501 is fixedly installed with knob 502;
[0033] The outer surface of threaded rod 501 is threadedly connected with second nut 503;
[0034] When the first spring sheet 405 and the second spring sheet 406 inside the mounting shell 402 are damaged, the threaded rod 501 can be pulled out by unscrewing the second nut 503, and then the mounting shell 402 is taken out, and the first spring sheet 405 and the second spring sheet 406 are replaced, so that the convenient replacement effect is achieved.
[0035] In use, first, the bolt 1 is installed on the car, and then the first nut 3 is screwed, when the first nut 3 is screwed, the nut is pushed inward, the nut is pushed inward, the connecting plate 403 is moved, the connecting plate 403 is moved, the mounting plate 404 is extruded, the first spring sheet 405 and the second spring sheet 406 are extruded, the first spring sheet 405 and the second spring sheet 406 are extruded, and the first spring sheet 405 and the second spring sheet 406 are deformed, then the first spring sheet 405 and the second spring sheet 406 generate elastic force and reversely push the first nut 3, the first nut 3 and the bolt 1 are tightly matched, so that the effect of preventing the first nut 3 from loosening is achieved, and the problem that the gasket is easily worn after long time use in the prior art is avoided, and the problem that the locking effect is reduced is avoided.
[0036] When the first spring sheet 405 and the second spring sheet 406 inside the mounting shell 402 are damaged, the threaded rod 501 can be pulled out by unscrewing the second nut 503, and then the mounting shell 402 is taken out, and the first spring sheet 405 and the second spring sheet 406 are replaced, so that the convenient replacement effect is achieved.
[0037] The preferred embodiments disclosed above are only used to help explain the utility model. The preferred embodiments do not describe all the details, and the utility model is not limited to the specific embodiments described. Obviously, according to the content of the specification, many modifications and changes can be made. The embodiments are selected and described in the specification, in order to better explain the principle and practical application of the utility model, so that the person skilled in the art can well understand and use the utility model. The utility model is limited by the claims and the whole scope and equivalents.
Claims
1. A lock bolt for an automobile, comprising a bolt (1), a hexagonal hole (2) is formed on the upper surface of the bolt (1), a first nut (3) is threadedly connected to the outer surface of the bolt (1), characterized in that: The outer surface of the bolt (1) is provided with an anti-loosening mechanism (4), the fixed end of the anti-loosening mechanism (4) is arranged on the upper surface of the first nut (3), the upper surface of the anti-loosening mechanism (4) is provided with a fixing mechanism (5), and the fixed end of the fixing mechanism (5) is arranged on the lower surface of the anti-loosening mechanism (4).
2. The anti-loosening bolt for an automobile according to claim 1, characterized by: The anti-loosening mechanism (4) comprises a fixed plate (401), the outer surface of the bolt (1) is sleeved with the fixed plate (401), the outer surface of the bolt (1) is sleeved with a mounting shell (402), and the mounting shell (402) is connected with the fixed plate (401).
3. The anti-loose bolt for a vehicle according to claim 1, characterized in that: The outer surface of the bolt (1) is sleeved with a connecting plate (403), one end of the connecting plate (403) is connected with the first nut (3), the other end extends into the mounting shell (402), the upper surface of the connecting plate (403) is fixedly provided with a mounting plate (404), and the inner surface of the mounting plate (404) is connected with the outer surface of the bolt (1).
4. The anti-loose bolt for an automobile according to claim 3, wherein: The upper surface of the mounting plate (404) is fixedly provided with a first spring plate (405), the inner surface of the first spring plate (405) is connected with the outer surface of the bolt (1), the upper surface of the first spring plate (405) is fixedly provided with a second spring plate (406), and the inner surface of the second spring plate (406) is connected with the outer surface of the bolt (1).
5. The anti-backout bolt for an automobile according to claim 1, characterized by: The fixing mechanism (5) comprises a threaded rod (501), four threaded rods (501) are rotatably connected in the bolt (1), the threaded rods (501) penetrate through the fixed plate (401) and the mounting shell (402), and the upper surfaces of the threaded rods (501) are fixedly provided with rotating knobs (502).
6. A captive bolt as claimed in claim 5, wherein: The outer surface of the threaded rod (501) is threadedly connected with a second nut (503).
Citation Information
Patent Citations
Bolt for automobile
CN220435211U