Combined fastening bolt

Abstract

The utility model discloses a combined fastening bolt which comprises a bolt body, a nut is in threaded connection with the outer side wall of the bolt body, a plurality of limiting sliding grooves are formed in the outer side of the bolt body, a limiting assembly is arranged outside the nut, and the limiting assembly is in sliding fit with the limiting sliding grooves. An annular locking groove is formed in the bottom end of the nut, and the limiting assembly is matched with the annular locking groove in a locking mode. Through the limiting assembly and the limiting sliding groove, the limiting protruding block slides into the limiting sliding groove, the screw hole of the nut and the bolt body are automatically positioned, the connecting smoothness is guaranteed, and the assembling efficiency is improved; a screw is rotated to push a rubber block to be extruded into an annular locking groove, the annular locking groove is extruded and locked by utilizing the toughness of the rubber block, the nut is locked and limited, the nut is prevented from loosening, and the assembling stability is improved; and the rubber blocks are stored through the storage grooves, and meanwhile, the screws are limited, so that the screws are prevented from being lost.

Description

Technical Field

[0001] The utility model relates to the technical field of fasteners, in particular to a combined fastening bolt. Background Art

[0002] Bolt: A mechanical part, a cylindrical, threaded fastener that fits into a nut. Composed of a head and a shank (a cylindrical body with external threads), these fasteners, when used with a nut, are used to securely connect two parts with through-holes. This type of connection is called a bolted connection. Conventional bolt-nut combinations are unstable and prone to loosening. Furthermore, when the nut and bolt are assembled, the threaded hole in the nut and bolt can easily shift, preventing proper assembly and affecting transfer efficiency. Utility Model Content

[0003] In order to overcome the shortcomings of the prior art, one of the purposes of the present invention is to provide a combined fastening bolt. Through the provided limiting assembly and limiting slide groove, the limiting protrusion slides into the limiting slide groove, and the screw hole of the nut and the bolt body are automatically positioned to ensure the smoothness of the connection and improve the assembly efficiency; the screw is rotated to push the rubber block into the annular locking groove, and the toughness of the rubber block is used to squeeze and lock the annular locking groove, thereby locking and limiting the nut to prevent the nut from loosening and improving the stability of the assembly; the provided storage groove accommodates the rubber block and limits the screw at the same time to prevent the screw from being lost.

[0004] One of the objectives of the present invention is achieved by adopting the following technical solution: a combined fastening bolt, comprising: a bolt body, an outer side wall of the bolt body being threadedly connected to a nut, a plurality of limiting grooves being formed on the outer side of the bolt body, a limiting assembly being provided on the outer side of the nut, the limiting assembly being slidably engaged with the limiting grooves, an annular locking groove being formed on the bottom end of the nut, the limiting assembly being locked and engaged with the annular locking groove;

[0005] The limiting assembly includes a limiting ring 1, a limiting ring 2, and a screw. The limiting ring 1 and the limiting ring 2 are arranged symmetrically in an upper and lower manner. A plurality of limiting protrusions are connected between the limiting ring 1 and the limiting ring 2. A movable installation area is set between the limiting ring 1 and the limiting ring 2. The bottom end of the limiting ring 2 is provided with a threaded connection tube. The outer wall of the screw is threadedly connected to the inner wall of the threaded connection tube. The top end of the screw is fixed with a rubber block. The interior of the threaded connection tube is provided with a receiving groove, and the rubber block is located in the receiving groove. Through the provided limiting assembly and limiting slide, the limiting protrusion slides into the limiting slide, and the screw hole of the nut and the bolt body are automatically positioned, ensuring the smoothness of the connection and improving the assembly efficiency. Turning the screw pushes the rubber block into the annular locking groove, and the toughness of the rubber block is used to squeeze and lock the annular locking groove, locking the nut to prevent the nut from loosening and improving the stability of the assembly. The provided receiving groove receives the rubber block and limits the screw at the same time to prevent the screw from being lost.

[0006] According to the combined fastening bolt, the nut is movably installed in the movable installation area, and the upper and lower walls of the nut are respectively fitted with the opposite surfaces of the limiting ring 1 and the limiting ring 2.

[0007] According to the combined fastening bolt, the position of the rubber block corresponds to the position of the annular locking groove.

[0008] A combined fastening bolt is provided, wherein the first limiting ring, the second limiting ring, the limiting protrusion, and the threaded connection cylinder are integrally formed, and the structure is more stable.

[0009] According to the combined fastening bolt, the outer ring diameters of the first and second limiting rings are both smaller than the outer ring diameter of the nut, thereby avoiding obstruction of the nut from rotating.

[0010] According to the combined fastening bolt, the inner side walls of the limiting sliding groove are slidably connected to the outer side walls of the limiting protrusion.

[0011] Additional aspects and advantages of the present invention will be given in part in the following description and will become apparent from the following description or learned through practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] The present invention will be further described below with reference to the accompanying drawings and embodiments;

[0013] Figure 1 This is a three-dimensional diagram of a combined fastening bolt of the utility model;

[0014] Figure 2 This is a cross-sectional view of a limit assembly of a combined fastening bolt of the utility model;

[0015] Figure 3This is a three-dimensional diagram of a nut for a combined fastening bolt of the utility model;

[0016] Figure 4 This is a structural diagram of a limit assembly of a combined fastening bolt of the utility model.

[0017] Legend:

[0018] 1. Bolt body; 2. Nut; 3. Limiting assembly; 101. Limiting slide groove; 201. Annular locking groove; 301. Limiting ring 1; 302. Limiting ring 2; 303. Limiting protrusion; 304. Threaded connection tube; 3041. Storage groove; 305. Screw; 306. Rubber block; 307. Movable installation area. DETAILED DESCRIPTION

[0019] This section will describe in detail the specific embodiments of the present invention. The preferred embodiments of the present invention are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and overall technical solution of the present invention, but it cannot be understood as a limitation on the scope of protection of the present invention.

[0020] Reference Figure 1-4 The embodiment of the present invention provides a combined fastening bolt, which includes: a bolt body 1, the outer wall of the bolt body 1 is threadedly connected to a nut 2, the outer side of the bolt body 1 is provided with a plurality of limiting grooves 101, the outer side of the nut 2 is provided with a limiting component 3, the limiting component 3 is slidably matched with the limiting groove 101, the bottom end of the nut 2 is provided with an annular locking groove 201, the limiting component 3 is locked and matched with the annular locking groove 201;

[0021] The limiting assembly 3 includes a limiting ring 1 301, a limiting ring 2 302, and a screw 305. The limiting ring 1 301 and the limiting ring 2 302 are arranged symmetrically in an upper and lower manner. The outer ring diameters of the limiting ring 1 301 and the limiting ring 2 302 are smaller than the outer ring diameter of the nut 2. A number of limiting protrusions 303 are connected between the limiting ring 1 301 and the limiting ring 2 302. The inner side walls of the limiting groove 101 are slidably connected to the outer side walls of the limiting protrusions 303. A movable installation area 307 is set between the limiting ring 1 301 and the limiting ring 2 302. The nut 2 is movably installed in the movable installation area 307. The upper and lower parts of the nut 2 The walls are respectively fitted with the opposite surfaces of the limiting ring 1 301 and the limiting ring 2 302. The bottom end of the limiting ring 2 302 is provided with a threaded connection tube 304. The limiting ring 1 301, the limiting ring 2 302, the limiting protrusion 303 and the threaded connection tube 304 are formed as one piece. The outer wall of the screw 305 is threadedly connected to the inner wall of the threaded connection tube 304. The top of the screw 305 is fixed with a rubber block 306. The interior of the threaded connection tube 304 is provided with a receiving groove 3041. The rubber block 306 is located in the receiving groove 3041. The position of the rubber block 306 corresponds to the position of the annular locking groove 201. When the screw 305 is screwed in place, the screw 306 is locked and the screw 305 is locked, so that the screw 305 is locked.

[0022] Working principle: When in use, when connecting the nut 2 with the bolt body 1, first align the limiting protrusion 303 and slide it into the limiting slide groove 101. At this time, the screw hole of the nut 2 and the bolt body 1 are automatically positioned so that the screw hole is aligned with the bolt body 1. The nut 2 can be threadedly connected to the bolt body 1 by rotating it to ensure the smoothness of the connection. After the assembly is completed, rotate the screw 305 to push the rubber block 306 into the annular locking groove 201. The toughness of the rubber block 306 is used to squeeze and lock the annular locking groove 201, and the nut 2 is locked and limited to prevent the nut 2 from loosening, thereby improving the stability of the assembly.

[0023] The embodiments of the present invention are described in detail above with reference to the accompanying drawings. However, the present invention is not limited to the above embodiments. Various changes can be made within the scope of knowledge possessed by ordinary technicians in the relevant technical field without departing from the purpose of the present invention.

Claims

1. A combined fastening bolt comprising: The bolt body (1) is characterized in that the outer wall of the bolt body (1) is threadedly connected to a nut (2), the outer side of the bolt body (1) is provided with a plurality of limiting grooves (101), the outside of the nut (2) is provided with a limiting component (3), the limiting component (3) and the limiting groove (101) are slidably matched, the bottom end of the nut (2) is provided with an annular locking groove (201), and the limiting component (3) and the annular locking groove (201) are locked and matched; The limiting assembly (3) comprises a limiting ring 1 (301), a limiting ring 2 (302), and a screw (305). The limiting ring 1 (301) and the limiting ring 2 (302) are arranged symmetrically in an upper and lower manner. A plurality of limiting protrusions (303) are connected between the limiting ring 1 (301) and the limiting ring 2 (302). A movable installation area (307) is provided between the limiting ring 1 (301) and the limiting ring 2 (302). A threaded connection tube (304) is provided at the bottom end of the limiting ring 2 (302). The outer wall of the screw (305) is threadedly connected to the inner wall of the threaded connection tube (304). A rubber block (306) is fixed to the top end of the screw (305). A receiving groove (3041) is provided inside the threaded connection tube (304), and the rubber block (306) is located in the receiving groove (3041).

2. A combined fastening bolt according to claim 1, characterized in that: The nut (2) is movably mounted in the movable mounting area (307), and the upper and lower walls of the nut (2) are respectively fitted with the opposite surfaces of the limiting ring 1 (301) and the limiting ring 2 (302).

3. A combined fastening bolt according to claim 1, characterized in that: The position of the rubber block (306) corresponds to the position of the annular locking groove (201).

4. A combined fastening bolt according to claim 1, characterized in that: The limiting ring 1 (301), the limiting ring 2 (302), the limiting protrusion (303), and the threaded connection cylinder (304) are integrally formed.

5. The combined fastening bolt according to claim 1, characterized in that: The outer ring diameters of the first limiting ring (301) and the second limiting ring (302) are both smaller than the outer ring diameter of the nut (2).

6. The combined fastening bolt according to claim 1, characterized in that: The inner side walls of the limiting sliding groove (101) are slidably connected to the outer side walls of the limiting protrusion (303).

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