A combined fastener

Abstract

The utility model discloses a combined fastener, comprising a fastening screw, a locking assembly installed on the fastening screw, and a reinforcement assembly installed on the fastening screw, the fastening assembly and the locking assembly are respectively located at two ends of the fastening screw, the locking assembly comprises a locking nut and a locking screw, the locking nut is provided with a first screw groove and a second screw groove, the locking nut is installed on the fastening screw through the first screw groove, and the locking screw is installed on the locking nut through the second screw groove; the fastening screw and the locking assembly are cooperated and installed on the equipment, the locking screw is used to fasten the locking assembly to prevent the locking assembly from loosening relative to the fastening screw, and the reinforcement assembly can further reinforce the fastening screw, further prevent the fastening screw from loosening, and effectively ensure the installation stability of the fastening screw.

Description

Technical Field

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

[0002] Fasteners are generally called standard parts in daily use. They are workpieces that fix one or several objects together in a certain way. Fasteners are relatively common mechanical basic parts, so they are in great demand in life. They are indispensable in various machines, vehicles and instruments. Fasteners can be divided into detachable fasteners and non-detachable fasteners. The former can be separated without destroying the fastener itself, such as bolts, while the latter must be destroyed to separate the fastener, such as rivets. After installation, a part of the general fastener will remain on the outside of the object. In daily use, the part left outside is often accidentally touched, causing the fastener to rotate as a whole, thereby loosening the device and affecting the fastening effect. In addition, the object will produce a certain vibration during use, causing the fastener to rotate slightly due to the influence of the vibration, which may cause complete loosening after long-term use. Utility Model Content

[0003] In order to solve the above problems, the utility model provides a combined fastener, which is installed on the equipment by means of a fastening screw and a locking assembly. The locking screw is used to fasten the locking assembly to prevent the locking assembly from loosening relative to the fastening screw, and the reinforcement assembly can further reinforce the fastening screw to further prevent the fastening screw from loosening, thereby effectively ensuring the installation stability of the fastening screw.

[0004] To achieve the above-mentioned purpose, the technical solution adopted by the utility model is to provide a combined fastener, including a fastening screw, a locking assembly installed on the fastening screw, and a reinforcement assembly installed on the fastening screw, the fastening assembly and the locking assembly are respectively located at both ends of the fastening screw, the locking assembly includes a locking nut and a locking screw, the locking nut is provided with a first screw groove and a second screw groove, the locking nut is installed on the fastening screw through the first screw groove, and the locking screw is installed on the locking nut through the second screw groove.

[0005] As a preferred solution, the locking nut has a first locking block and a second locking block, the second thread groove includes a second inner thread groove and a second outer thread groove, and the locking screw passes through the second outer thread groove and is installed in the second inner thread groove.

[0006] As a preferred solution, the fastening screw is provided with a fastening screw groove, and the fastening screw groove is matched with the first screw groove.

[0007] As a preferred solution, the reinforcement assembly includes a first reinforcement member and a second reinforcement member, the fastening screw is provided with a first reinforcement groove and a second reinforcement groove, the first reinforcement member is matched with the first reinforcement groove, and the second reinforcement member is matched with the second reinforcement groove.

[0008] As a preferred embodiment, the fastening screw has a first side surface and a second side surface, the first side surface is matched with the first reinforcement groove, the second side surface is matched with the second reinforcement groove, the first side surface and the side surface inside the first reinforcement groove are in the same plane, and the second side surface and the side surface inside the second reinforcement groove are in the same plane.

[0009] As a preferred solution, the first reinforcement member has a first knocking block, and first auxiliary grooves are provided on both sides of the first reinforcement member, and the first auxiliary grooves are located below the first knocking block.

[0010] As a preferred solution, the second reinforcement member has a second knocking block, and second auxiliary grooves are provided on both sides of the second reinforcement member, and the second auxiliary grooves are located below the second knocking block.

[0011] As a preferred solution, the fastening screw is provided with a friction groove and a tightening groove, the friction grooves are multiple and arranged at intervals, and the tightening groove is a hexagonal groove.

[0012] The beneficial effect of the utility model is that the fastening screw and the locking assembly are installed on the equipment in cooperation, the locking screw is used to fasten the locking assembly to prevent the locking assembly from loosening relative to the fastening screw, and the reinforcement assembly can further reinforce the fastening screw to further prevent the fastening screw from loosening, thereby effectively ensuring the installation stability of the fastening screw. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 The utility model is a schematic diagram of the overall structure of a combined fastener.

[0014] Figure 2 for Figure 1 A schematic structural diagram of a fastening screw in a combined fastener.

[0015] Figure 3 for Figure 2 Schematic diagram of the structure of the fastening screw from another angle.

[0016] Figure 4 for Figure 1 A schematic structural diagram of a locking assembly in a combined fastener.

[0017] Figure 5 for Figure 1 A schematic structural diagram of a reinforcement component in a combined fastener.

[0018] Explanation of the accompanying drawings: 100, fastening screw; 110, fastening screw groove; 120, first reinforcement groove; 130, second reinforcement groove; 140, first side table; 150, second side table; 160, friction groove; 170, tightening groove; 200, locking assembly; 210, locking nut; 211, first screw groove; 212, second screw groove; 213, first locking block; 214, second locking block; 215, second inner screw groove; 216, second outer screw groove; 220, locking screw; 300, reinforcement assembly; 310, first reinforcement member; 311, first knocking block; 312, first auxiliary groove; 320, second reinforcement member; 321, second knocking block; 322, second auxiliary groove. DETAILED DESCRIPTION

[0019] The technical solution of the utility model will be described clearly and completely below in conjunction with the accompanying drawings. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0020] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0021] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0022] like Figures 1 to 5As shown, the utility model provides a combined fastener, including a fastening screw 100, a locking assembly 200 installed on the fastening screw 100, and a reinforcement assembly 300 installed on the fastening screw 100, the fastening assembly and the locking assembly 200 are respectively located at two ends of the fastening screw 100, the locking assembly 200 includes a locking nut 210 and a locking screw 220, the locking nut 210 is provided with a first screw groove 211 and a second screw groove 212, the locking nut 210 is installed on the fastening screw 100 through the first screw groove 211, and the locking screw 220 is installed on the locking nut 210 through the second screw groove 212. The fastening screw 100 and the locking assembly 200 are installed on the equipment in coordination, the locking screw 220 is used to fasten the locking assembly 200 to prevent the locking assembly 200 from loosening relative to the fastening screw 100, and the reinforcement assembly 300 can further reinforce the fastening screw 100 to further prevent the fastening screw 100 from loosening, thereby effectively ensuring the installation stability of the fastening screw 100.

[0023] The locking nut 210 has a first locking block 213 and a second locking block 214, the second screw groove 212 includes a second inner screw groove 215 and a second outer screw groove 216, and the locking screw 220 passes through the first outer screw groove and is installed in the second inner screw groove 215. The fastening screw 100 is provided with a fastening screw groove 110, and the fastening screw groove 110 is matched with the first screw groove 211. After the locking nut 210 is installed on the fastening screw 100, the locking screw 220 is then passed through the second outer screw groove 216 and installed in the second inner screw groove 215, and the fastening is completed after being screwed to a certain extent, thereby completing the locking.

[0024] The reinforcing assembly 300 includes a first reinforcing member 310 and a second reinforcing member 320. The fastening screw 100 is provided with a first reinforcing groove 120 and a second reinforcing groove 130. The first reinforcing member 310 is matched with the first reinforcing groove 120, and the second reinforcing member 320 is matched with the second reinforcing groove 130. The tail ends of the first reinforcing member 310 and the second reinforcing member 320 are conical. The fastening screw 100 has a first side table 140 and a second side table 150. The first side table 140 is matched with the first reinforcing groove 120, and the second side table 150 is matched with the second reinforcing groove 130. The first side table 140 and the side surface inside the first reinforcing groove 120 are in the same plane, and the second side table 150 and the side surface inside the second reinforcing groove 130 are in the same plane. The first reinforcement member 310 has a first knocking block 311, and first auxiliary grooves 312 are provided on both sides of the first reinforcement member 310, and the first auxiliary grooves 312 are located below the first knocking block 311. The second reinforcement member 320 has a second knocking block 321, and second auxiliary grooves 322 are provided on both sides of the second reinforcement member 320, and the second auxiliary grooves 322 are located below the second knocking block 321. After the fastening screw 100 is installed, the first reinforcement member 310 is then placed into the first reinforcement groove 120, and the first knocking block 311 is knocked by external force to knock the tail end of the first reinforcement member 310 into the groove into which the fastening screw 100 is screwed. Since the fastening screw 100 has a first side table, the fastening screw 100 has a gap relative to the installed groove, and the first reinforcement member 310 can be knocked into the gap, thereby completing the reinforcement of the fastening screw. Similarly, the tail end of the second reinforcement member 320 can be knocked into the groove into which the fastening screw 100 is screwed.

[0025] The fastening screw 100 is provided with a friction groove 160 and a tightening groove 170. The friction groove 160 is multiple and arranged at intervals, and the tightening groove 170 is a hexagonal groove. The arrangement of the friction groove 160 and the tightening groove 170 facilitates the tightening of the fastening screw 100.

[0026] The above implementation modes are merely descriptions of the preferred implementation modes of the present invention, and are not intended to limit the scope of the present invention. Without departing from the design spirit of the present invention, various modifications and improvements made to the technical solutions of the present invention by ordinary engineering and technical personnel in the field shall fall within the protection scope determined by the claims of the present invention.

Claims

1. A combined fastener, characterized in that: It includes a fastening screw, a locking assembly installed on the fastening screw, and a reinforcement assembly installed on the fastening screw. The reinforcement assembly and the locking assembly are respectively located at two ends of the fastening screw. The locking assembly includes a locking nut and a locking screw. The locking nut is provided with a first screw groove and a second screw groove. The locking nut is installed on the fastening screw through the first screw groove, and the locking screw is installed on the locking nut through the second screw groove.

2. A combined fastener according to claim 1, characterized in that: The locking nut comprises a first locking block and a second locking block, the second thread groove comprises a second inner thread groove and a second outer thread groove, and the locking screw passes through the second outer thread groove and is installed in the second inner thread groove.

3. A combined fastener according to claim 2, characterized in that: The fastening screw is provided with a fastening screw groove, and the fastening screw groove is matched with the first screw groove.

4. A combined fastener according to claim 1, characterized in that: The reinforcement assembly includes a first reinforcement member and a second reinforcement member, the fastening screw is provided with a first reinforcement groove and a second reinforcement groove, the first reinforcement member is matched with the first reinforcement groove, the second reinforcement member is matched with the second reinforcement groove, and the tail ends of the first reinforcement member and the second reinforcement member are conically arranged.

5. A combined fastener according to claim 4, characterized in that: The fastening screw has a first side surface and a second side surface, the first side surface is matched with the first reinforcement groove, the second side surface is matched with the second reinforcement groove, the first side surface and the side surface inside the first reinforcement groove are in the same plane, and the second side surface and the side surface inside the second reinforcement groove are in the same plane.

6. A combined fastener according to claim 4, characterized in that: The first reinforcement member has a first knocking block. First auxiliary grooves are arranged on both sides of the first reinforcement member. The first auxiliary grooves are located below the first knocking block.

7. A combined fastener according to claim 4, characterized in that: The second reinforcement member has a second knocking block. Second auxiliary grooves are arranged on both sides of the second reinforcement member. The second auxiliary grooves are located below the second knocking block.

8. The combined fastener according to claim 1, characterized in that: The fastening screw is provided with a friction groove and a tightening groove, the friction grooves are multiple and arranged at intervals, and the tightening groove is a hexagonal groove.

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