CN218913427U

CN218913427U - High-strength bolt

Info

Publication number: CN218913427U
Application number: CN202223527504.8U
Authority: CN
Inventors: 赵望科; 杜蒙; 王莉; 赵旭彤
Original assignee: Hebei Xuheng Fastener Co ltd
Current assignee: Hebei Xuheng Fastener Co ltd
Priority date: 2022-12-29
Filing date: 2022-12-29
Publication date: 2023-04-25
Anticipated expiration: 2032-12-29

Abstract

The utility model discloses a high-strength bolt, which comprises a bolt body, wherein the bolt body is formed by superposing a hexagonal prism body, a large cylinder and a small cylinder, an external thread is arranged on the outer side of the small cylinder, a connecting column is arranged on one side of the bolt body, a circular groove is formed in one end of the connecting column, a circular through hole is formed in the other end of the connecting column, the connecting column is sleeved on the outer side of the bolt body through the circular groove and the circular through hole, an internal thread is formed in the circular through hole, the external thread on the small cylinder and the internal thread in the circular through hole are mutually matched, the external thread is arranged on the outer side of the connecting column, a connecting frame is arranged at one end of the connecting column located in the circular through hole, and the connecting column is arranged in an internal threaded hole on a fixed object through the connecting frame. The connecting frame has the beneficial effects that the connecting frame is arranged on the outer side of the connecting column, so that the bolts can be connected with the fixed object more tightly through the connecting frame, the bolts are not easy to fall off, and the connecting strength is improved.

Description

High-strength bolt

Technical Field

The utility model relates to the technical field of bolts, in particular to a high-strength bolt.

Background

The bolt is a fastener, is generally matched with a nut, can be connected with an internal threaded hole on a fixed object, and can fix the object with the through hole on the fixed object.

In the prior art, the bolt is generally connected with the nut or the internal thread hole through threads, but when the bolt is used, some problems exist, and due to the fact that gaps exist between the threads, the bolt is connected only through the threads, and under the action of vibration or other action force, the threaded connection can be loosened, so that the connection strength of the bolt is affected.

The foregoing is not necessarily a prior art, and falls within the technical scope of the inventors.

Disclosure of Invention

The utility model aims to solve the problems, and designs a high-strength bolt.

The technical scheme includes that the high-strength bolt comprises a bolt body, wherein the bolt body is formed by superposing a hexagonal prism body, a large cylinder body and a small cylinder body, an external thread is arranged on the outer side of the small cylinder body, a connecting column is arranged on one side of the bolt body, a circular groove is formed in one end of the connecting column, a circular through hole is formed in the other end of the connecting column, the circular through hole is communicated with the circular groove, the connecting column is sleeved on the outer side of the bolt body through the circular groove and the circular through hole, an internal thread is formed in the circular through hole, the external thread on the small cylinder body and the internal thread in the circular through hole are mutually matched, an external thread is arranged on the outer side of the connecting column, a connecting frame is arranged at one end of the circular through hole, and the connecting column is arranged in an internal thread hole in a fixed object through the connecting frame.

Further, the link is including the spacing groove that is located spliced pole upper end both sides, spliced pole upper end both sides are equipped with the stopper, stopper one end stretches into the spacing inslot, open on one side of the stopper has the taper groove, the taper rod is installed to little cylinder upper end.

Furthermore, the annular air bag is sleeved outside the small cylinder, glue is arranged in the annular air bag, and a plurality of glue penetrating holes are formed in the outer sides of the circular through holes and the circular grooves.

Further, a plurality of protruding points are arranged on the surface of one side in the circular groove.

The utility model has the beneficial effects that: the outer side of the bolt body is provided with a connecting column, the outer side of the connecting column is provided with a connecting frame, so that the bolt forms a bolt similar to an expansion bolt, but the expansion bolt is different from the expansion bolt in that the outer side of the connecting column is also provided with external threads, so that the connecting column can be connected with a fixed object more tightly, is not easy to fall off, improves the connection strength,

the connecting frame can lead the limiting block to move through the conical rod and the conical groove, compared with the condition that the upper end of the expansion bolt is deformed, the movement of the limiting block is more labor-saving and more convenient to use,

after the bolt is screwed, the annular air bag can be broken, the glue can enter the inner side and the outer side of the connecting column, the threads can be stuck through the glue, the threaded connection can be prevented from loosening, and the connection strength is improved.

Drawings

FIG. 1 is a schematic view of a high strength bolt according to the present utility model;

FIG. 2 is a schematic view of the positional relationship between the connecting post and the stopper according to the present utility model;

in the figure, 1, a bolt body; 2. a hexagonal prism; 3. a large cylinder; 4. a small cylinder; 5. a connecting column; 6. a circular groove; 7. a circular through hole; 8. a connecting frame; 9. a limit groove; 10. a limiting block; 11. a conical groove; 12. a tapered rod; 13. an annular air bag; 14. glue penetrating holes; 15. and (5) protruding points.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present utility model and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model. Furthermore, in the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

The utility model provides a high-strength bolt as shown in figures 1-2, which comprises a bolt body 1, wherein the bolt body 1 is formed by superposing a hexagonal prism 2, a big cylinder 3 and a small cylinder 4, the outer side of the small cylinder 4 is provided with external threads, one side of the bolt body 1 is provided with a connecting column 5, one end of the connecting column 5 is provided with a circular groove 6, the other end of the connecting column 5 is provided with a circular through hole 7, the circular through hole 7 is communicated with the circular groove 6, the connecting column 5 is sleeved outside the bolt body 1 through the circular groove 6 and the circular through hole 7, the circular through hole 7 is internally provided with internal threads, the external threads on the small cylinder 4 and the internal threads in the circular through hole 7 are mutually matched, the outer side of the connecting column 5 is provided with external threads, one end of the connecting column 5 positioned in the circular through hole 7 is provided with a connecting frame 8, the connecting column 5 is arranged in an internal threaded hole in a fixed object through the connecting frame 8,

the process of this bolting is as follows: under the normal condition, stretch spliced pole 5 to the internal thread hole on the fixed object to be connected with the internal thread hole through the external screw thread on spliced pole 5, then be connected bolt body 1 with spliced pole 5, pass big cylinder 3 and little cylinder 4 from the round hole on the fixed moving object that needs, and fix the moving object to the fixed object, pass through threaded connection through the external screw thread on little cylinder 4 and the internal thread on circular through-hole 7, and make big cylinder 3 one end stretch into circular recess 6, and then can be convenient for fix the moving object, be connected the back at bolt body 1 and spliced pole 5, can strengthen the joint strength of spliced pole 5 and fixed object internal thread hole through link 8.

Referring to the accompanying drawings 1 and 2 of the specification, the connecting frame 8 comprises limit grooves 9 positioned at two sides of the upper end of the connecting column 5, limit blocks 10 are arranged at two sides of the upper end of the connecting column 5, one end of each limit block 10 extends into each limit groove 9, one side of each limit block 10 is provided with a conical groove 11, the upper end of each small cylinder 4 is provided with a conical rod 12,

the process of reinforcing the bolt connection strength of the connecting frame 8 is as follows: when the small cylinder 4 and the circular through hole 7 are connected through threads, the conical rod 12 can enter the inner side of the conical groove 11, the limiting block 10 can be pushed outwards, the limiting groove 9 can ensure the moving direction of the limiting block 10, when the limiting block 10 moves outwards, one end of the limiting block 10 can be propped against the inner wall of the internal threaded hole of the fixed object, and then the connecting strength of the bolt can be increased.

Referring to the figure 1 of the specification, the outer side of the small cylinder 4 is sleeved with an annular air bag 13, the annular air bag 13 is internally provided with glue, the outer sides of the circular through holes 7 and the circular grooves 6 are respectively provided with a plurality of glue penetrating holes 14,

when the small cylinder 4 and the circular through hole 7 are in threaded connection, the annular air bag 13 can be extruded on the inner side of the circular groove 6, the annular air bag 13 can be further extruded, glue in the annular air bag 13 can flow out, the glue can flow to the outer side of the connecting column 5 through the glue penetrating hole 14, and further the threaded connection can be realized through the glue, so that the connection strength is improved.

Referring to fig. 1 of the specification, a plurality of protruding points 15 are arranged on one side surface in the circular groove 6, and the protruding points 15 can be used for conveniently puncturing the annular air bag 13, so that the use is more convenient.

Although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model.

Claims

1. The utility model provides a high strength bolt, includes bolt body (1), its characterized in that, bolt body (1) is six prism (2), a big cylinder (3), a little cylinder (4) stack constitution, the little cylinder (4) outside is equipped with the external screw thread, bolt body (1) one side is equipped with spliced pole (5), spliced pole (5) one end is opened there is circular recess (6), spliced pole (5) other end is opened there is circular through-hole (7), circular through-hole (7) and circular recess (6) intercommunication, spliced pole (5) are outside bolt body (1) through circular recess (6) and circular through-hole (7) suit, circular through-hole (7) internal division has the internal screw thread, external screw thread on little cylinder (4) and the internal screw thread in circular through-hole (7) agree with each other, spliced pole (5) outside is equipped with the external screw thread, spliced pole (5) are located the one end of circular through-hole (7) and install link (8), spliced pole (5) are through the internal screw hole of installing on the anchor (8).

2. The high-strength bolt according to claim 1, wherein the connecting frame (8) comprises limit grooves (9) positioned on two sides of the upper end of the connecting column (5), limit blocks (10) are arranged on two sides of the upper end of the connecting column (5), one end of each limit block (10) extends into each limit groove (9), a conical groove (11) is formed in one side of each limit block (10), and a conical rod (12) is arranged at the upper end of each small cylinder (4).

3. The high-strength bolt according to claim 1, wherein the annular air bag (13) is sleeved outside the small cylinder (4), glue is arranged in the annular air bag (13), and a plurality of glue penetrating holes (14) are formed in the outer sides of the circular through holes (7) and the circular grooves (6).

4. A high strength bolt according to claim 3, characterized in that a plurality of bumps (15) are provided on one inner side surface of the circular recess (6).