CN214661346U

CN214661346U - Bolt assembly for steel structure connection

Info

Publication number: CN214661346U
Application number: CN202120653200.2U
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: 2021-11-09
Anticipated expiration: 2031-03-31

Abstract

The utility model discloses a bolt component for steel structure connection, which comprises a screw rod and a nut connected with the screw rod through an internal thread, wherein the outer surface of the head part of the screw rod, which is close to one end of a sleeve, is a conical surface, and the inner surface of the end of the sleeve, which is close to the head part of the screw rod, is a conical surface matched with the conical surface of the head part of the screw rod; the surface of the sleeve, which is in contact with the nut, is respectively provided with a plurality of tooth bodies which are arranged along the circumferential direction, and the tooth bodies are continuously arranged, so that a tooth groove is formed between adjacent tooth bodies, the tooth bodies on the sleeve are embedded into the tooth groove on the nut, and the tooth bodies on the nut are embedded into the tooth groove on the sleeve. The utility model discloses require greatly reduced to operating space, and the structural stability of assembly is strong, still can avoid appearing skidding, with changeing, long-term the condition that can not take place not hard up and drop of using.

Description

Bolt assembly for steel structure connection

Technical Field

The utility model relates to a building field especially relates to steel constructs bolt assembly for connection.

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 at providing a steel constructs connection and uses bolt assembly, this steel constructs connection and uses bolt assembly to operation space requirement greatly reduced, and the structural stability of assembly is strong, still can avoid appearing skidding, with changeing, long-term the condition that can not take place not hard up and drop.

In order to achieve the above purpose, the utility model adopts the technical scheme that: a bolt assembly for steel structure connection 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 thread 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 head of the screw is a conical surface, and the inner surface of one end, close to the head of the screw, of the sleeve is a conical surface matched with the conical surface of the head of the screw;

the surface of the sleeve, which is in contact with the nut, is respectively provided with a plurality of tooth bodies which are arranged along the circumferential direction, and the tooth bodies are continuously arranged, so that a tooth groove is formed between adjacent tooth bodies, the tooth bodies on the sleeve are embedded into the tooth groove on the nut, and the tooth bodies on the nut are embedded into the tooth groove on the sleeve.

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

1. in the above scheme, one surface of the tooth body is a vertical surface parallel to the axial direction of the screw, the other surface of the tooth body is an inclined surface, and an included angle formed between the vertical surface and the inclined surface is an acute angle.

2. In the scheme, an included angle formed between the vertical surface and the inclined surface of the tooth body is 55-65 degrees.

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

because of above-mentioned technical scheme's application, compared with the prior art, the utility model have the following advantage:

the utility model discloses steel constructs connection and uses bolt assembly, it only needs to operate at the component unilateral when connecting two components, requires greatly reduced to operating space, assembles simple swift, labour saving and time saving, has improved the efficiency of construction greatly, and the structural stability of assembly is strong, still can avoid appearing skidding, with changeing, long-term the use can not take place not hard up the condition that drops.

Drawings

FIG. 1 is a schematic structural view of a bolt assembly for connecting steel structures of the utility model;

FIG. 2 is an exploded view of the bolt assembly for connecting steel structures of the present invention;

figure 3 is the utility model discloses the steel constructs the local structure cross-sectional view of connecting with bolt assembly.

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; 11. a tooth body; 12. a tooth socket.

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 bolt assembly for steel structure connection 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 thread 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 of the head 3 of the screw rod 1, which is close to the sleeve 7, is a conical surface, and the inner surface of one end of the sleeve 7, which is close to the head 3 of the screw rod 1, is a conical surface matched with the conical surface of the head 3 of the screw rod 1;

the surfaces of the sleeve 7 and the nut 2 which are contacted with each other are respectively provided with a plurality of tooth bodies 11 which are arranged along the circumferential direction, the tooth bodies 11 are continuously arranged, so that a tooth groove 12 is formed between the adjacent tooth bodies 11, the tooth bodies 11 on the sleeve 7 are embedded into the tooth groove 12 on the nut 2, and the tooth bodies 11 on the nut 2 are embedded into the tooth groove 12 on the sleeve 7;

make the nut rotatory in the past only in one direction, it leads to connecting not hard up to avoid taking place to turn round after the installation is accomplished, and directly set up the tooth body on sleeve and nut, structural integrity and stability are good.

One surface of the tooth body 11 is a vertical surface parallel to the axial direction of the screw 1, the other surface of the tooth body 11 is an inclined surface, and an included angle formed between the vertical surface and the inclined surface is an acute angle;

the included angle formed between the vertical surface and the inclined surface of the tooth body 11 is 55 degrees; the ratio of the length of the wire slot 8 on the sleeve 7 to the length of the sleeve 7 is 5: 10.

example 2: a bolt assembly for steel structure connection 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 thread connection with the thread part 4 of the screw rod 1;

the surfaces of the sleeve 7 and the nut 2 which are contacted with each other are respectively provided with a plurality of tooth bodies 11 which are arranged along the circumferential direction, the tooth bodies 11 are continuously arranged, so that a tooth groove 12 is formed between the adjacent tooth bodies 11, the tooth bodies 11 on the sleeve 7 are embedded into the tooth groove 12 on the nut 2, and the tooth bodies 11 on the nut 2 are embedded into the tooth groove 12 on the sleeve 7.

an included angle formed between the vertical surface and the inclined surface of the tooth body 11 is 65 degrees; the length of wire casing 8 on above-mentioned sleeve 7 and the length ratio of sleeve 7 are 8: 10.

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 in the nut rotating process, the sleeve moves towards the head of the screw rod under the action of the nut, so that the head of the screw rod is further embedded into the sleeve, and meanwhile, the sleeve expands outwards and opens under the action of one end, with a conical surface, of the head of the screw rod;

furthermore, the nut and the sleeve are matched with each other to prevent the screw from rotating reversely to loosen the connection.

When the bolt assembly for steel structure connection is adopted, the bolt assembly only needs to be operated on one side of a component when the two components are connected, the operation space requirement is greatly reduced, the assembly is simple and rapid, time and labor are saved, the construction efficiency is greatly improved, the structural stability of the assembly is strong, slipping and follow-up rotation can be avoided, and the condition of loosening and falling cannot occur in long-term use.

The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose of the embodiments is to enable people skilled in the art to understand the contents of the present invention and to implement the present invention, which cannot 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 by the protection scope of the present invention.

Claims

1. The utility model provides a steel constructs bolt assembly for connection, including screw rod (1) and through the internal thread with nut (2) that screw rod (1) is connected which 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 (1) is a conical surface, and the inner surface of one end, close to the head (3) of the screw (1), of the sleeve (7) is a conical surface matched with the conical surface of the head (3) of the screw (1);

the surface of the sleeve (7) contacted with the nut (2) is respectively provided with a plurality of tooth bodies (11) arranged along the circumferential direction, the tooth bodies (11) are continuously arranged, so that a tooth groove (12) is formed between the adjacent tooth bodies (11), the tooth body (11) on the sleeve (7) is embedded into the tooth groove (12) on the nut (2), and the tooth body (11) on the nut (2) is embedded into the tooth groove (12) on the sleeve (7).

2. The bolt assembly for steel structure connection according to claim 1, characterized in that: one surface of the tooth body (11) is a vertical surface parallel to the axial direction of the screw (1), the other surface of the tooth body (11) is an inclined surface, and an included angle formed between the vertical surface and the inclined surface is an acute angle.

3. The bolt assembly for steel structure connection according to claim 2, characterized in that: an included angle formed between the vertical surface and the inclined surface of the tooth body (11) is 55-65 degrees.

4. The bolt assembly for steel structure connection according to claim 1, characterized in that: the length of wire casing (8) is 5~9 with the length ratio of sleeve (7) on sleeve (7): 10.