CN215720054U

CN215720054U - High-strength bolt assembly

Info

Publication number: CN215720054U
Application number: CN202120653786.2U
Authority: CN
Inventors: 洪求耀
Original assignee: Haoheng Fujian Building Materials Technology Co Ltd
Current assignee: Haoheng Fujian Building Materials Technology Co Ltd
Priority date: 2021-03-31
Filing date: 2021-03-31
Publication date: 2022-02-01
Anticipated expiration: 2031-03-31

Abstract

The utility model discloses a high-strength bolt assembly, which comprises a screw and a nut connected with the screw through an internal thread, wherein the screw comprises a head part and a thread part which are sequentially arranged, and the nut is in threaded connection with the thread part of the screw; a sleeve is movably sleeved on the screw and is positioned between the head of the screw and the nut, the outer surface of the head of the screw, which is close to one end of the sleeve, is a conical surface, and the inner surface of the sleeve, which is close to one end of the head of the screw, is a conical surface matched with the conical surface of the head of the screw. When the two components are connected, the operation is only carried out on one side of the components, the requirement on the operation space is greatly reduced, the assembly is simple and rapid, time and labor are saved, and the construction efficiency and the assembly strength are greatly improved.

Description

High-strength bolt assembly

Technical Field

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

Background

As technology has matured, fabricated buildings have begun to emerge and are of general interest to the construction industry. The prefabricated building refers to a building assembled on a construction site by using prefabricated components. The building has the advantages of high building speed, less restriction by climatic conditions, labor saving and building quality improvement. For the connection of various tubular components in a fabricated building, spot welding is generally used to weld the steel pipe column and the steel sleeve together. However, the method has the disadvantages that the binding force between the steel sleeve and the steel pipe column is not strong, the overall performance is insufficient, the assembly is complex and time-consuming, and the professional degree of a constructor is excessively depended on.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a high-strength bolt assembly, which only needs to operate on one side of a member when two members are connected, greatly reduces the requirement on operation space, is simple and rapid to assemble, saves time and labor, and greatly improves the construction efficiency and the assembly strength.

In order to achieve the purpose, the utility model adopts the technical scheme that: a high-strength bolt assembly comprises a screw and a nut connected with the screw through an internal thread, wherein the screw comprises a head part and a thread part which are sequentially arranged, and the nut is in threaded connection with the thread part of the screw;

a sleeve is movably sleeved on the screw and is positioned between the head of the screw and the nut, one end face of the sleeve is in contact with one end face of the nut, a plurality of wire grooves are formed in the other end of the sleeve, each wire groove is formed in parallel with the axial direction of the sleeve, the plurality of wire grooves are arranged at intervals along the circumferential direction of the sleeve, and one end of the head of the screw can be embedded into the sleeve;

the outer surface of one end, close to the sleeve, of the screw head is a conical surface, and the inner surface of one end, close to the screw head, of the sleeve is a conical surface matched with the conical surface of the screw head.

The further improved scheme in the technical scheme is as follows:

1. in the above scheme, the length of wire casing on the sleeve is 5~9 with telescopic length ratio: 10.

2. in the above scheme, a gasket is arranged between the sleeve and the nut, and the gasket is sleeved on the threaded part of the screw rod.

3. In the above scheme, two end faces of the gasket are respectively contacted with the end faces of the nut and the sleeve which are respectively close to one end of the gasket.

Due to the application of the technical scheme, compared with the prior art, the utility model has the following advantages:

according to the high-strength bolt assembly, when two members are connected, only one side of each member is required to be operated, the requirement on the operation space is greatly reduced, the assembly is simple and rapid, time and labor are saved, and the construction efficiency and the assembly strength are greatly improved.

Drawings

FIG. 1 is a schematic structural view of a high strength bolt assembly of the present invention;

fig. 2 is an exploded view of the high strength bolt assembly of the present invention.

In the above drawings: 1. a screw; 2. a nut; 3. a head portion; 4. a threaded portion; 7. a sleeve; 8. a wire slot; 10. and (7) a gasket.

Detailed Description

In the description of this patent, it is noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; furthermore, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, as they may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The meaning of the above terms in this patent may be specifically understood by those of ordinary skill in the art.

Example 1: a high-strength bolt assembly comprises a screw rod 1 and a nut 2 connected with the screw rod 1 through internal threads, wherein the screw rod 1 comprises a head part 3 and a thread part 4 which are sequentially arranged, and the nut 2 is in threaded connection with the thread part 4 of the screw rod 1;

a sleeve 7 is movably sleeved on the screw rod 1 and is positioned between the head 3 of the screw rod 1 and the nut 2, one end face of the sleeve 7 is in contact with one end face of the nut 2, a plurality of wire grooves 8 are formed in the other end of the sleeve 7, each wire groove 8 is formed in parallel to the axial direction of the sleeve 7, the plurality of wire grooves 8 are arranged at intervals along the circumferential direction of the sleeve 7, and one end of the head 3 of the screw rod 1 can be embedded into the sleeve 7;

the outer surface of one end, close to the sleeve 7, of the head 3 of the screw rod 1 is a conical surface, and the inner surface of one end, close to the head 3 of the screw rod 1, of the sleeve 7 is a conical surface matched with the conical surface of the head 3 of the screw rod 1.

The ratio of the length of the wire slot 8 on the sleeve 7 to the length of the sleeve 7 is 7: 10;

a gasket 10 is arranged between the sleeve 7 and the nut 2, and the gasket 10 is sleeved on the thread part 4 of the screw rod 1;

both end faces of the washer 10 are in contact with the end faces of the nut 2 and the sleeve 7 near the washer 10.

Example 2: a high-strength bolt assembly comprises a screw rod 1 and a nut 2 connected with the screw rod 1 through internal threads, wherein the screw rod 1 comprises a head part 3 and a thread part 4 which are sequentially arranged, and the nut 2 is in threaded connection with the thread part 4 of the screw rod 1;

The length of wire casing 8 on above-mentioned sleeve 7 and the length ratio of sleeve 7 are 8: 10;

a gasket 10 is arranged between the sleeve 7 and the nut 2, and the gasket 10 is sleeved on the thread part 4 of the screw rod 1.

When the screw bolt assembly is used, the screw bolt, the nut and the sleeve are assembled into an integral bolt assembly, and one end of the head of the screw bolt is embedded into the sleeve, so that the nut and the sleeve are kept relatively fixed;

then the bolt assembly passes through corresponding mounting holes on 2 components to be connected;

then, the nut is rotated, and during the rotation of the nut, the sleeve moves towards the head of the screw under the action of the nut, so that the head of the screw is further embedded into the sleeve, and meanwhile, the sleeve expands outwards and expands outwards under the action of one end of the head of the screw, which is provided with a conical surface.

When the high-strength bolt assembly is adopted, when the two components are connected, the operation is only carried out on one side of the components, the operation space requirement is greatly reduced, the assembly is simple and rapid, time and labor are saved, and the construction efficiency and the assembly strength are greatly improved.

The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.

Claims

1. A high strength bolt assembly, includes screw rod (1) and through the internal thread with nut (2) that screw rod (1) is connected, its characterized in that: the screw (1) comprises a head part (3) and a thread part (4) which are sequentially arranged, and the nut (2) is in threaded connection with the thread part (4) of the screw (1);

a sleeve (7) is movably sleeved on the screw rod (1) and is positioned between the head (3) of the screw rod (1) and the nut (2), one end face of the sleeve (7) is in contact with one end face of the nut (2), a plurality of wire grooves (8) are formed in the other end of the sleeve (7), each wire groove (8) is formed in a manner of being parallel to the axial direction of the sleeve (7), the plurality of wire grooves (8) are arranged at intervals along the circumferential direction of the sleeve (7), and one end of the head (3) of the screw rod (1) can be embedded into the sleeve (7);

the outer surface of one end, close to the sleeve (7), of the head (3) of the screw rod (1) is a conical surface, and the inner surface of one end, close to the head (3) of the screw rod (1), of the sleeve (7) is a conical surface matched with the conical surface of the head (3) of the screw rod (1).

2. The high strength bolt assembly of claim 1, wherein: the length of wire casing (8) is 5~9 with the length ratio of sleeve (7) on sleeve (7): 10.

3. the high strength bolt assembly of claim 1, wherein: a gasket (10) is arranged between the sleeve (7) and the nut (2), and the gasket (10) is sleeved on the threaded portion (4) of the screw rod (1).

4. The high strength bolt assembly of claim 3, wherein: two end faces of the gasket (10) are respectively contacted with the end faces of one end, close to the gasket (10), of the nut (2) and one end, close to the sleeve (7), of the gasket (10).