CN219139596U

CN219139596U - Semi-hollow long inner hexagon bolt

Info

Publication number: CN219139596U
Application number: CN202320285895.2U
Authority: CN
Inventors: 黄建设
Original assignee: Wenzhou Jierui Fastener Co ltd
Current assignee: Wenzhou Jierui Fastener Co ltd
Priority date: 2023-02-22
Filing date: 2023-02-22
Publication date: 2023-06-06
Anticipated expiration: 2033-02-22

Abstract

The utility model relates to the technical field of hexagonal bolts, in particular to a half-hollow long inner hexagonal bolt, which comprises the following components: the bolt round head is internally provided with an inner hexagonal hole which is used for being connected with an installation tool; further comprises: the disassembly hole is internally provided with a second thread; and the disassembly bolt is installed in the disassembly hole and connected with the disassembly hole through a second thread and used for disassembling the semi-hollow long inner hexagon bolt. According to the utility model, the disassembly hole is formed in the inner hexagonal hole, the second thread is arranged in the disassembly hole, the disassembly bolt is connected with the disassembly bolt through the second thread, the disassembly bolt is the outer hexagonal bolt, the inner hexagonal bolt can be conveniently disassembled by using the disassembly bolt, meanwhile, the second thread has the same direction as the thread of the common bolt, and the common bolt can be used for replacing the disassembly bolt under the condition of losing the disassembly bolt.

Description

Semi-hollow long inner hexagon bolt

Technical Field

The utility model relates to the technical field of hexagonal bolts, in particular to a half-hollow long inner hexagonal bolt.

Background

The socket head cap bolts are also called socket head cap bolts, cup head screws and the like. When in use, the head of the bolt is buried in a machine part, the connection strength is high, the occupied space is small, and the bolt is generally used for machines with high requirements on aesthetic degree and precision, such as various machine tools and accessories thereof. But among the prior art, the socket head cap screw needs the socket head cap spanner dismouting of cooperation corresponding specification, unlike outer hexagon screw, an adjustable spanner can dismouting multiple specification bolt to when socket head cap screw dismantles, its special spanner slides the silk easily, and it is inconvenient to replace. In view of this, we propose a half hollow long socket head cap screw.

Disclosure of Invention

In order to make up for the defects, the utility model provides the half-hollow long inner hexagon bolt.

The technical scheme of the utility model is as follows:

half hollow long hexagon socket head cap screw includes:

the bolt round head is internally provided with an inner hexagonal hole which is used for being connected with an installation tool;

further comprises:

the disassembly hole is internally provided with a second thread;

the dismounting bolt is arranged in the dismounting hole and connected with the dismounting hole through a second thread and used for dismounting the half-hollow long inner hexagon bolt.

As the preferable technical scheme of the utility model, a bolt shaft is arranged below the round head of the bolt, a first thread is arranged on the side face of the bolt shaft and is used for being connected with an object to be fixed, the first thread is fixed by friction force, the direction of the first thread is opposite to that of the common bolt, and the direction of the second thread is the same as that of the common bolt.

As a preferable technical scheme of the utility model, the disassembly hole is positioned at the bottom of the inner hexagonal hole, the second thread is positioned at the inner wall of the disassembly hole, and the inner diameter of the disassembly hole is smaller than the inscribed circle diameter of the inner hexagonal hole.

As the preferable technical scheme of the utility model, the dismounting bolt comprises an outer hexagon bolt head, the bottom surface of the outer hexagon bolt head is provided with a thickened rod body, the bottom surface of the thickened rod body is provided with a connecting rod body, and the side surface of the connecting rod body is provided with a second thread.

As a preferable technical scheme of the utility model, the outer diameter of the thickened shaft is larger than the inner diameter of the disassembly hole and smaller than the inscribed circle diameter of the inner hexagonal hole.

Compared with the prior art, the utility model has the beneficial effects that:

according to the utility model, the disassembly hole is formed in the inner hexagonal hole, the second thread is arranged in the disassembly hole, the disassembly bolt is connected with the disassembly bolt through the second thread, the disassembly bolt is the outer hexagonal bolt, the inner hexagonal bolt can be conveniently disassembled by using the disassembly bolt, meanwhile, the second thread has the same direction as the thread of the common bolt, and the common bolt can be used for replacing the disassembly bolt under the condition of losing the disassembly bolt.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic view of the structure of the present utility model;

FIG. 3 is a schematic cross-sectional view of the present utility model.

The meaning of each reference numeral in the figures is:

1. a bolt round head; 2. a bolt shank; 3. a first thread; 4. an inner hexagonal hole; 5. disassembling the hole; 6. a second thread; 7. disassembling the bolts; 71. an outer hexagonal bolt head; 72. thickening the shaft; 73. and a connecting rod body.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. 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 "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Referring to fig. 1-3, the present utility model is described in detail by the following embodiments:

half hollow long hexagon socket head cap screw includes:

the bolt round head 1, be equipped with interior hexagonal hole 4 in the bolt round head 1, bolt round head 1 below is equipped with bolt shaft 2, bolt shaft 2 side is equipped with first screw thread 3, first screw thread 3 is used for waiting to fix the object connection, utilizes frictional force to fix, the screw thread direction of first screw thread 3 and ordinary bolt is opposite, the screw thread direction of second screw thread 6 and ordinary bolt is the same.

The whole metal material integrated into one piece that adopts of long hexagon socket head cap screw of half-core, hexagon socket head cap screw 4 is used for being connected with the mounting tool.

Further comprises:

the disassembly hole 5, be equipped with second screw thread 6 in the disassembly hole 5, the disassembly hole 5 is located interior hexagonal hole 4 bottom, second screw thread 6 is located the disassembly hole 5 inner wall, the disassembly hole 5 internal diameter is less than interior hexagonal hole 4 inscribed circle diameter.

The disassembly bolt 7, the disassembly bolt 7 is installed in the disassembly hole 5, and is connected with the disassembly hole 5 through the second thread 6, and is used for disassembling the long hexagon socket head cap screw of half hollow, the disassembly bolt 7 includes outer hexagon bolt head 71, outer hexagon bolt head 71 bottom surface is equipped with the thickening shaft 72, the thickening shaft 72 bottom surface is equipped with connecting rod body 73, connecting rod body 73 side is equipped with the second thread 6, and the thickening shaft 72 external diameter is greater than the disassembly hole 5 internal diameter, and is less than the inscribed circle diameter of hexagon hole 4.

The disassembly bolt 7 is integrally formed by adopting metal materials.

When the semi-hollow long inner hexagon bolt is dismounted, the dismounting bolt 7 is clockwise screwed into the dismounting hole 5 until the dismounting hole is screwed down, at the moment, the bottom surface of the thickened rod body 72 is in ground contact with the inner hexagon hole 4, additional supporting force is provided, then the adjustable spanner is continuously and clockwise pulled by utilizing the adjustable spanner to clamp the outer hexagon bolt head 71, as the direction of the first thread 3 and the direction of the second thread 6 are opposite, the second thread 6 is clockwise screwed down, the first thread 3 is unscrewed clockwise, so that the dismounting bolt 7 can be combined with the dismounting hole 5 more tightly in the pulling process of the adjustable spanner, and meanwhile, the semi-hollow long inner hexagon bolt is screwed out from the mounting position, so that the risk of using a special tool to dismount sliding wire is avoided.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the above-described embodiments, and that the above-described embodiments and descriptions are only preferred embodiments of the present utility model, and are not intended to limit the utility model, and that various changes and modifications may be made therein without departing from the spirit and scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. Half hollow long hexagon socket head cap screw includes:

the bolt comprises a bolt round head (1), wherein an inner hexagonal hole (4) is formed in the bolt round head (1), and the inner hexagonal hole (4) is used for being connected with an installation tool;

characterized by further comprising:

the dismounting hole (5) is internally provided with a second thread (6);

the dismounting bolt (7), dismounting bolt (7) is installed in dismantlement hole (5) to be connected with dismantlement hole (5) through second screw thread (6), be used for dismantling the long hexagon socket head cap screw of half hollow.

2. The half hollow long socket head cap bolt of claim 1, wherein: the novel bolt is characterized in that a bolt rod body (2) is arranged below the bolt round head (1), a first thread (3) is arranged on the side face of the bolt rod body (2), the first thread (3) is used for being connected with an object to be fixed, friction force is utilized for fixing, the first thread (3) is opposite to the thread direction of a common bolt, and the second thread (6) is identical to the thread direction of the common bolt.

3. The half hollow long socket head cap bolt of claim 1, wherein: the disassembly hole (5) is positioned at the bottom of the inner hexagonal hole (4), the second thread (6) is positioned on the inner wall of the disassembly hole (5), and the inner diameter of the disassembly hole (5) is smaller than the inscribed circle diameter of the inner hexagonal hole (4).

4. The half hollow long socket head cap bolt of claim 1, wherein: the dismounting bolt (7) comprises an outer hexagon bolt head (71), a thickened rod body (72) is arranged on the bottom surface of the outer hexagon bolt head (71), a connecting rod body (73) is arranged on the bottom surface of the thickened rod body (72), and a second thread (6) is arranged on the side surface of the connecting rod body (73).

5. The half hollow long socket head cap bolt of claim 4, wherein: the outer diameter of the thickened shaft (72) is larger than the inner diameter of the dismounting hole (5) and smaller than the inscribed circle diameter of the inner hexagonal hole (4).