High-strength anti-loosening fastener
By incorporating hexagonal nuts, anti-loosening blocks, and locking clips into the fasteners, the loosening problem caused by vibration and insufficient tightening of traditional fasteners is solved, achieving a high-strength anti-loosening effect and simplifying assembly.
Patent Information
- Application Number
- CN202520739204.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-18
- Publication Date
- 2026-02-13
- Estimated Expiration
- 2035-04-18
AI Technical Summary
Traditional fasteners are prone to loosening due to vibration and insufficient tightening during long-term use, and lack effective anti-loosening effect.
A high-strength anti-loosening fastener was designed. By setting hexagonal nuts, anti-loosening blocking parts and locking stops on the fastener, the locking stops are used to position and lock the hexagonal nuts. The combination of stainless steel material and rubber anti-slip coating improves the connection stability.
It effectively prevents fasteners from loosening, improves the anti-loosening effect of fasteners, and is simple to assemble and easy to operate.
Smart Images

Figure CN223908551U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the related field of fastener, concretely to a high strength anti-loose fastener. BACKGROUND
[0002] Fastener is used for connecting and fastening components, fastener is also called standard part in the market, it is a kind of mechanical component when two or more than two parts are fastened and connected to be called a whole, its characteristics are variety and specification, performance and purpose are different, and the degree of standardization, serialization and generalization is extremely high, fastener is the most widely used mechanical basic part, and the demand is very large.
[0003] There are still some disadvantages in the prior art for fastener in use, the traditional fastener will be loose due to external vibration, insufficient tightening and other factors in the case of long-term use, and the fastener does not have good anti-loose effect. UTILITY MODEL CONTENT
[0004] The utility model aims at providing a high strength anti-loose fastener to solve the problem that the traditional fastener will be loose due to external vibration, insufficient tightening and other factors in the case of long-term use in the above background technology.
[0005] To achieve the above object, the utility model provides the following technical scheme: a high strength anti-loose fastener, including fastener, the top of fastener is equipped with hexagonal head, the lower side of the surface of fastener is equipped with clamping groove, the middle position of fastener is equipped with hexagonal nut, the lower position of the periphery of hexagonal nut is equipped with upper lock slot, the lower side of upper lock slot is equipped with anti-loose blocking piece, the lower position of the periphery of anti-loose blocking piece is equipped with lower lock slot, lock blocking piece is equipped with lock card between hexagonal nut and anti-loose blocking piece, the upper and lower positions of the inside of lock blocking piece are equipped with upper lock and lower lock respectively, the both sides of the inner wall of anti-loose blocking piece are equipped with clamping strip, the bottom of the inside of anti-loose blocking piece is equipped with inlaying mouth.
[0006] In further embodiments, the bottom of the hexagonal nut is circular, and the anti-loose blocking piece and the inlaying mouth are connected by inlaying.
[0007] In further embodiments, the upper side of the outer surface of the anti-loose blocking piece is provided with a rubber anti-slip coating, and the cross section of the anti-loose blocking piece is circular.
[0008] In further embodiments, the upper lock and the upper lock slot are connected by clamping, and the shape of the upper lock is U-shaped.
[0009] In further embodiments, the lower lock is connected with the lower lock slot through a clamping connection, and the shape of the lower lock is a U-shaped structure.
[0010] In further embodiments, the anti-loose blocking piece is fixedly connected with the fastener through a clamping strip and a clamping groove, and the anti-loose blocking piece is made of stainless steel.
[0011] Compared with the prior art, the utility model has the advantages that: the utility model discloses a lock position blocking piece is arranged below the hexagon nut, the lock position blocking piece can position the fastening position of the hexagon nut, effectively prevent the hexagon nut from loosening, the hexagon nut is fixedly connected with the anti-loose blocking piece through the lock position blocking piece, the lock position blocking piece can fix the connecting position of the hexagon nut and the anti-loose blocking piece, the lock position blocking piece can double-position the installation position of the anti-loose blocking piece, the fastener has the high-strength anti-loose effect, and the assembly method is simple and easy to operate. BRIEF DESCRIPTION OF DRAWINGS
[0012] Figure 1 It is a structure schematic view of a high-strength anti-loose fastener of the utility model;
[0013] Figure 2 It is a split structure schematic view of a high-strength anti-loose fastener of the utility model;
[0014] Figure 3 It is a split structure schematic view of a lock position blocking piece and a hexagon nut of the utility model;
[0015] Figure 4 It is a plan view of an inlaying opening of the utility model;
[0016] Figure 5 It is a plan view of a hexagon nut of the utility model.
[0017] In the drawing: 1, hexagonal head; 2, hexagon nut; 3, lock position blocking piece; 4, anti-loose blocking piece; 5, clamping groove; 6, fastener; 7, upper lock slot; 8, rubber anti-slip coating; 9, lower lock slot; 10, clamping strip; 11, upper lock; 12, lower lock; 13, inlaying opening. DETAILED DESCRIPTION
[0018] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.
[0019] Please refer to Figures 1-5The utility model provides an embodiment: a kind of high-strength anti-loose fastener, the top of fastener 6 is equipped with hexagonal head 1, the lower side of the surface of fastener 6 is equipped with clamping groove 5, the middle position of fastener 6 is equipped with hexagonal nut 2, the lower position of the periphery of hexagonal nut 2 is equipped with upper lock slot 7, the lower side of upper lock slot 7 is equipped with anti-loose blocking piece 4, the lower position of the periphery of anti-loose blocking piece 4 is equipped with lower lock slot 9, lock stop 3 is equipped between hexagonal nut 2 and anti-loose blocking piece 4, the upper and lower positions of the inside of lock stop 3 are respectively equipped with upper lock 11 and lower lock 12, the both sides of the inner wall of anti-loose blocking piece 4 are equipped with clamping strip 10, the bottom of the inside of anti-loose blocking piece 4 is equipped with inlay mouth 13;Hexagonal head 1 is used for limiting sealing to the position of fastener 6 in part installation, hexagonal nut 2 is used for tightening, and part is fixed, anti-loose blocking piece 4 is used for positioning the position of hexagonal nut 2 fastening, lock stop 3 is used for locking the position of hexagonal nut 2 and anti-loose blocking piece 4 assembly.
[0020] The bottom of hexagonal nut 2 is circular structure, and anti-loose blocking piece 4 is connected with inlay mouth 13 by inlaying, and the bottom of circular structure is more easily installed and fixed lock stop 3;The upper side of the outer surface of anti-loose blocking piece 4 is equipped with rubber antiskid coating 8, and the section of anti-loose blocking piece 4 is circular structure, and the firmness of the connection of anti-loose blocking piece 4 and inlay mouth 13 is increased by rubber antiskid coating 8.
[0021] Upper lock 11 is connected with upper lock slot 7 by clamping, and the shape of upper lock 11 is U-shaped structure, and clamping is convenient for installing or disassembling upper lock 11 and upper lock slot 7.
[0022] Lower lock 12 is connected with lower lock slot 9 by clamping, and the shape of lower lock 12 is U-shaped structure, and clamping is convenient for installing or disassembling lower lock 12 and lower lock slot 9.
[0023] Anti-loose blocking piece 4 is fixedly connected with fastener 6 by clamping strip 10 and clamping groove 5, and anti-loose blocking piece 4 is made of stainless steel material, and the connection of anti-loose blocking piece 4 and fastener 6 is facilitated by clamping strip 10 and clamping groove 5.
[0024] Working principle: when using, fastener 6 is installed in part, and hexagonal nut 2 is rotated and tightened, and part is fixed, anti-loose blocking piece 4 is installed on fastener 6 by clamping strip 10 and clamping groove 5, and is embedded in inlay mouth 13, the position of hexagonal nut 2 is positioned, and the position of hexagonal nut 2 and anti-loose blocking piece 4 assembly is locked by lock stop 3.
[0025] It is apparent for a person skilled in the art that the present application is not restricted to the details of the above exemplary embodiments, but that it can be implemented in other concrete forms without departing from the spirit or the essential characteristics of the present application. Therefore, the embodiments should be considered as exemplary only, and not limiting, the scope of the present application being defined by the appended claims rather than the above description, and all changes coming within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference signs in the claims should not be construed as limiting the claims concerned.
Claims
1. A high-strength anti-loosening fastener, comprising a fastener (6), characterized in that: The fastener (6) has a hexagonal head (1) at the top, and slots (5) are provided on both sides below the surface of the fastener (6). A hexagonal nut (2) is provided in the middle of the fastener (6). An upper locking groove (7) is provided below the outer periphery of the hexagonal nut (2). An anti-loosening blocking member (4) is provided below the upper locking groove (7). A lower locking groove (9) is provided below the outer periphery of the anti-loosening blocking member (4). A locking stop (3) is provided between the hexagonal nut (2) and the anti-loosening blocking member (4). An upper locking port (11) and a lower locking port (12) are provided at the upper and lower positions inside the locking stop (3). A locking strip (10) is provided on both sides of the inner wall of the anti-loosening blocking member (4). An insert (13) is provided at the bottom of the inner side of the anti-loosening blocking member (4).
2. The high-strength anti-loosening fastener according to claim 1, characterized in that: The bottom of the hexagonal nut (2) is designed as a circular structure, and the anti-loosening blocking part (4) is connected to the inlay (13) by inlay.
3. The high-strength anti-loosening fastener according to claim 1, characterized in that: The upper surface of the anti-loosening blocking member (4) is provided with a rubber anti-slip coating (8), and the cross-section of the anti-loosening blocking member (4) is set as a circular structure.
4. A high-strength anti-loosening fastener according to claim 1, characterized in that: The upper locking port (11) and the upper locking slot (7) are connected by a snap-fit, and the upper locking port (11) is designed with a U-shaped structure.
5. A high-strength anti-loosening fastener according to claim 1, characterized in that: The lower locking port (12) and the lower locking slot (9) are connected by a snap-fit, and the lower locking port (12) is designed with a U-shaped structure.
6. A high-strength anti-loosening fastener according to claim 1, characterized in that: The anti-loosening blocking component (4) and the fastener (6) are fixedly connected to the slot (5) by the clip (10), and the anti-loosening blocking component (4) is made of stainless steel.