CN218408101U

CN218408101U - Hexagonal head bolt

Info

Publication number: CN218408101U
Application number: CN202222773017.3U
Authority: CN
Inventors: 陈光友; 陈光杰; 张文; 李建军; 林福荣
Original assignee: Zhejiang Mingda Auto Parts Co ltd
Current assignee: Zhejiang Mingda Auto Parts Co ltd
Priority date: 2022-10-20
Filing date: 2022-10-20
Publication date: 2023-01-31
Anticipated expiration: 2032-10-20

Abstract

The application discloses hexagonal head bolt, including hexagonal bolt head, tip have mobile jib and the fastening nut of external screw thread, the interior screw hole is seted up to the mobile jib lower extreme, and hexagonal bolt head top is provided with the slide opening that runs through the mobile jib downwards and communicate with the interior screw hole, and interior screw hole department demountable installation has the auto-lock subassembly that is used for carrying out spacing outside droing to fastening nut, and hexagonal bolt head bottom demountable installation has the enhancement subassembly that is used for strengthening treating fixed object extrusion fixed effect. Set up the internal screw hole at the mobile jib lower extreme, accomplish the fixed back of treating fixed object, realize by the auto-lock subassembly that prevents to outwards deviate from the effect to fastening nut to at hexagonal bolt head bottom demountable installation have be used for strengthening treating the fixed object and extrude the enhancement subassembly of fixed effect, the fixed stability of treating fixed object obtains promoting.

Description

Hexagonal head bolt

Technical Field

The utility model relates to a bolt technical field especially relates to a hexagon head bolt.

Background

Hexagonal head bolt wide application is in production, life, like the chinese utility model patent of patent number 202220581838.4, the name is but anti-skidding flange face hexagon bolt of silk, including bolt head and threaded rod, the bolt head include with bolt head laminating portion and hexagonal end that the threaded rod is connected, the hexagonal end include with the outer hexagonal end that bolt head laminating portion connects, keep away from on the outer hexagonal end interior hexagonal groove has been seted up to a side of threaded rod, the cross recess has been seted up to the inboard bottom in interior hexagonal groove, the water protection cover has been cup jointed in the outside of bolt head laminating portion, and in the bolt head of pre-waterproofness follow hexagon bolt entered into threaded rod and threaded hole, prevent that the threaded rod from contacting water for a long time and producing the rust stain, avoid hexagon bolt to lead to rotatory smooth phenomenon of silk because of producing the rust stain, effectively protect hexagon bolt, improve hexagon bolt's waterproof rust resistance.

However, the hexagonal head bolt of the above-mentioned existing structure has poor fixing stability to the object to be fixed, the bolt head and the threaded rod are easy to generate relative rotation looseness with the object to be fixed, the fixing stability is affected, and the hexagonal head bolt is required to be self-locked many times, so that the improvement is required.

Disclosure of Invention

The utility model discloses aim at solving one of the technical problem that exists among the prior art.

The application provides a hexagonal bolt, have mobile jib and fastening nut of external screw thread including hexagonal bolt head, tip, its characterized in that, interior screw hole is seted up to the mobile jib lower extreme, hexagonal bolt head top be provided with downwards run through the mobile jib and with the slide opening of interior screw hole intercommunication, interior screw hole department demountable installation has the auto-lock subassembly that is used for carrying out spacing outside droing to fastening nut, hexagonal bolt head bottom demountable installation has the enhancement subassembly that is used for strengthening treating the fixed object extrusion fixed effect.

Adopt foretell hexagonal head bolt, set up the interior screw hole at the mobile jib lower extreme, interior screw hole department demountable installation has the auto-lock subassembly that is used for carrying out locking to fastening nut, accomplishes the fixed back of treating fixed object, realizes preventing outside the effect of deviating from to fastening nut by the auto-lock subassembly to demountable installation has the enhancement subassembly that is used for strengthening treating fixed object extrusion fixed effect in hexagonal bolt head bottom, and the fixed stability of treating fixed object obtains promoting.

Preferably, the following components are used: the auto-lock subassembly is including being cylindric installation piece, setting up at the top external screw thread of installation piece top and interior screw hole looks adaptation, the perforating hole that runs through the installation piece from top to bottom, set up a plurality of flutings, the upper end on perforating hole bottom perisporium have the dead lever and the upper nut of upper thread, install at interior screw hole department at installation piece top, cooperate with the upper nut after passing perforating hole and slide opening dead lever upper end, the dead lever lower extreme is provided with the round platform that the external diameter is greater than the perforating hole internal diameter.

Preferably, the following components are used: the plurality of slots are distributed on the peripheral wall of the bottom of the through hole at equal intervals.

Preferably, the following components are used: the reinforcing assembly comprises a plurality of lifting grooves which are formed in the bottom of the hexagonal bolt head at equal intervals along the circumferential direction, a ring, a plurality of first fixing columns fixed on the upper surface of the ring, second fixing columns which are connected to the upper ends of the first fixing columns and have the diameter smaller than that of the first fixing columns, and springs which are connected to the upper ends of the first fixing columns and surround the second fixing columns, wherein the plurality of second fixing columns are inserted into the corresponding lifting grooves in a sliding mode, and the upper ends of the springs are in contact extrusion with the bottom of the hexagonal bolt head.

Preferably, the following components are used: the first fixing columns are arranged on the upper surface of the ring at equal intervals along the circumferential direction, and a plurality of protruding strips protruding downwards and criss-cross are arranged on the lower surface of the ring.

The beneficial effects of the utility model will be elaborated in the embodiment to make beneficial effect more obvious.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present application.

Fig. 2 is a schematic bottom view of the hexagonal bolt head and the main rod according to the embodiment of the present invention.

Fig. 3 is a schematic view of a specific structure of the ring in the embodiment of the present application.

Detailed Description

The technical solutions in the embodiments of the present application will be described clearly below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some, but not all, embodiments of the present application. All other embodiments that can be derived by one of ordinary skill in the art from the embodiments given herein are intended to be within the scope of the present disclosure.

The terms first, second and the like in the description and in the claims of the present application are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It will be appreciated that the data so used may be interchanged under appropriate circumstances such that embodiments of the application are capable of operation in sequences other than those illustrated or described herein, and that the terms "first," "second," etc. are generally used in a generic sense and do not limit the number of terms, e.g., a first term can be one or more than one. In addition, "and/or" in the specification and claims means at least one of connected objects, a character "/", and generally means that the former and latter related objects are in an "or" relationship.

The embodiments of the present application are described in detail below with reference to the accompanying drawings through specific embodiments and application scenarios thereof.

Example 1:

as shown in fig. 1-3, a hexagon head bolt, including hexagon head bolt 1, tip have mobile jib 2 and fastening nut 3 of external screw thread in the embodiment of the utility model, interior screw hole 4 is seted up to mobile jib 2 lower extreme, hexagon head bolt 1 top is provided with the slide opening 5 that runs through mobile jib 2 downwards and communicate with interior screw hole 4, interior screw hole 4 department demountable installation has the auto-lock subassembly that is used for carrying out spacing outside the droing to fastening nut 3, but 1 bottom demountable installation of hexagon head bolt has the reinforcement subassembly that is used for strengthening the fixed object extrusion effect of treating.

Adopt foretell hexagonal head bolt, set up interior screw hole 4 at 2 lower extremes of mobile jib, interior screw hole 4 department demountable installation has the auto-lock subassembly that is used for carrying out locking to fastening nut 3, accomplishes the fixed back of treating fixed object, realizes preventing outwards deviating from the effect to fastening nut 3 by the auto-lock subassembly to demountable installation has the enhancement subassembly that is used for strengthening the fixed effect of treating fixed object extrusion in hexagonal bolt head 1 bottom, and the fixed stability of treating fixed object obtains promoting.

The utility model discloses in the embodiment, the auto-lock subassembly is including being cylindric installation piece 11, setting at the top external screw thread 12 of installation piece 11 top and 4 looks adaptations of inner hole, run through the perforating hole 13 of installation piece 11 from top to bottom, set up a plurality of flutings 14 on the perisporium of perforating hole 13 bottom, dead lever 15 and the top nut 17 that the upper end has upper thread 16, and installation piece 11 top is installed in inner hole 4 department, cooperate with top nut 17 after passing perforating hole 13 and slide opening 5 dead lever 15 upper end, dead lever 15 lower extreme is provided with the round platform 18 that the external diameter is greater than the perforating hole 13 internal diameter.

During the specific use, install the tip of mobile jib 2 by the rotation of fastening nut 3, treat fixed object and fix, afterwards, install piece 11 top in interior screw hole 4 department, cooperate with upper nut 17 after dead lever 15 upper end passes through perforating hole 13 and sliding hole 5, along with the rotation of upper nut 17, make the round platform 18 of dead lever 15 lower extreme connection rise, will install piece 11 bottom and extrude, make perforating hole 13 bottom perisporium outwards extruded and turn up, thereby play the effect of outwards deviating from of preventing of fastening nut 3.

In the embodiment of the present invention, the plurality of slots 14 are spaced apart from each other at equal intervals on the bottom peripheral wall of the through hole 13.

In order to further facilitate the extrusion of the round table 18 to the bottom of the mounting block 11, so that the force is uniformly applied, the plurality of slots 14 are distributed on the peripheral wall of the bottom of the through hole 13 at equal intervals.

Example 2:

as shown in fig. 1 to 3, in addition to the structural features of the foregoing embodiment, in the embodiment of the present invention, the reinforcing member includes a plurality of lifting grooves 21 formed at the bottom of the hexagon bolt head 1 at equal intervals in the circumferential direction, a ring 22, a plurality of first fixing posts 23 fixed on the upper surface of the ring 22, a second fixing post 24 connected to the upper end of the first fixing post 23 and having a diameter smaller than that of the first fixing post 23, and a spring 25 connected to the upper end of the first fixing post 23 and surrounding the second fixing post 24, wherein the plurality of second fixing posts 24 are slidably inserted into the corresponding lifting grooves 21, and the upper end of the spring 25 is in contact with and pressed against the bottom of the hexagon bolt head 1.

When an object to be fixed is fastened, one side of the ring 22, provided with the first fixing column 23, faces the hexagon bolt head 1, the ring 22 faces upwards along the main rod 2, each of the plurality of second fixing columns 24 is correspondingly inserted into the lifting groove 21, the upper end of the spring 25 abuts against the bottom of the hexagon bolt head 1, the object to be fixed is strung on the main rod 2, the fastening nut 3 is installed, the top of the object to be fixed upwards extrudes the bottom of the ring 22 in the installation process, the ring 22 and the hexagon bolt head 1 are close to each other, the spring 25 is extruded, after the fixing is completed, the spring 25 is in a compression state, the ring 22 is matched with the fastening nut 3 to clamp the object to be fixed, and the structure is stable.

In the embodiment of the present invention, a plurality of first fixing posts 23 are circumferentially disposed on the upper surface of the ring 22 at equal intervals, and a plurality of downwardly protruding criss-cross protruding strips 26 are disposed on the lower surface of the ring 22.

In order to further bring the object to be fixed into sufficient pressing contact with the object surface, a plurality of projecting strips 26 projecting downward and crisscross are provided on the lower surface of the ring 22.

It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrases "comprising a component of' 8230; \8230;" does not exclude the presence of another like element in a process, method, article, or apparatus that comprises the element. Further, it should be noted that the scope of the methods and apparatus of the embodiments of the present application is not limited to performing the functions in the order illustrated or discussed, but may include performing the functions in a substantially simultaneous manner or in a reverse order based on the functions involved, e.g., the methods described may be performed in an order different than that described, and various steps may be added, omitted, or combined. In addition, features described with reference to certain examples may be combined in other examples.

While the present embodiments have been described with reference to the accompanying drawings, it is to be understood that the invention is not limited to the precise embodiments described above, which are meant to be illustrative and not restrictive, and that various changes may be made therein by those skilled in the art without departing from the spirit and scope of the invention as defined by the appended claims.

Claims

1. The utility model provides a hexagon head bolt, includes that hexagon bolt head (1), tip have mobile jib (2) and fastening nut (3) of external screw thread, its characterized in that, interior screw hole (4) are seted up to mobile jib (2) lower extreme, hexagon bolt head (1) top is provided with slide opening (5) that downwards runs through mobile jib (2) and communicate with interior screw hole (4), interior screw hole (4) department demountable installation is used for carrying out spacing auto-lock subassembly that outwards drops to fastening nut (3), hexagon bolt head (1) bottom demountable installation has the enhancement subassembly that is used for strengthening the fixed effect of treating fixed object extrusion.

2. The hexagon head bolt according to claim 1, wherein the self-locking assembly comprises a cylindrical mounting block (11), a top external thread (12) arranged at the top of the mounting block (11) and matched with the inner screw hole (4), a through hole (13) vertically penetrating through the mounting block (11), a plurality of slots (14) formed in the peripheral wall of the bottom of the through hole (13), and a fixing rod (15) and an upper nut (17) with upper threads (16) at the upper ends, wherein the top of the mounting block (11) is arranged at the inner screw hole (4), the upper end of the fixing rod (15) is matched with the upper nut (17) after passing through the through hole (13) and the sliding hole (5), and a circular table (18) with the outer diameter larger than the inner diameter of the through hole (13) is arranged at the lower end of the fixing rod (15).

3. A hexagon head bolt according to claim 2, characterized in that a plurality of slots (14) are provided on the peripheral wall of the bottom of the through hole (13) at equal intervals.

4. The hexagon head bolt according to claim 1, 2 or 3, wherein the reinforcing assembly comprises a plurality of lifting grooves (21) which are arranged at the bottom of the hexagon head bolt (1) at equal intervals along the circumferential direction, a ring (22), a plurality of first fixing posts (23) which are fixed on the upper surface of the ring (22), second fixing posts (24) which are connected with the upper ends of the first fixing posts (23) and have smaller diameters than the first fixing posts (23), and springs (25) which are connected with the upper ends of the first fixing posts (23) and surround the second fixing posts (24), wherein the plurality of second fixing posts (24) are inserted into the corresponding lifting grooves (21) in a sliding mode, and the upper ends of the springs (25) are in contact with and extruded with the bottom of the hexagon head bolt (1).

5. The hexagonal head bolt according to claim 4, wherein the first fixing posts (23) are circumferentially spaced at equal intervals on the upper surface of the collar (22), and the lower surface of the collar (22) is provided with a plurality of downwardly protruding criss-cross projecting strips (26).