CN215214325U

CN215214325U - Hexagon socket head cap screw with pad

Info

Publication number: CN215214325U
Application number: CN202120424035.3U
Authority: CN
Inventors: 万建良
Original assignee: Haiyan Wanda Auto Parts Co ltd
Current assignee: Haiyan Wanda Auto Parts Co ltd
Priority date: 2021-02-26
Filing date: 2021-02-26
Publication date: 2021-12-17
Anticipated expiration: 2031-02-26

Abstract

The utility model discloses a half round head hexagon socket head cap screw is filled up in area belongs to screw technical field, the half round head hexagon socket head cap screw is filled up in area includes the half round head, half round head lower extreme fixedly connected with screw rod, the fretwork recess has been seted up to the screw rod bottom surface, the extrusion groove has been seted up to half round head lower surface, extrusion groove upper end inner wall fixedly connected with spring, spring lower extreme fixedly connected with extrusion post, extrusion post lower extreme fixedly connected with gasket, extrusion post both sides fixedly connected with stopper. The utility model discloses a design has the extrusion post to be connected the complex elasticity extrusion mechanism with the spring between half round head and gasket, wherein the extrusion post size cooperatees with the overhead extrusion groove size of half round, and the extrusion post slides from top to bottom along the extrusion inslot wall, and the stopper of extrusion post both sides slides along the spacing groove track to carry on spacingly to the extrusion post, avoid the screw to produce after the installation not hard up through the rebound extrusion effect of spring, be fit for being extensively promoted and used.

Description

Hexagon socket head cap screw with pad

Technical Field

The utility model relates to a screw technical field especially relates to a first hexagon socket head screw of semicircle is filled up in area.

Background

The hexagon socket head cap screw, also called for short hexagon socket head cap screw, cup head screw, hexagon socket head cap screw, its name is different, but the meaning that represents is the same. The commonly used socket head cap screws are also 4.8 grade, 8.8 grade, 10.9 grade and 12.9 grade. Also called hexagon socket screw, also called hexagon socket screw. The head of the device is a hexagon socket head and is also a cylinder head. Stainless steel and iron are classified according to the material. The stainless steel is stainless steel SUS202 inner hexagon socket cap screw, which is made of stainless steel common material, stainless steel SUS304 inner hexagon socket cap screw, and stainless steel SUS316 inner hexagon socket cap screw. The grade of the iron is divided according to the strength of the socket head cap screw, and the iron comprises a 4.8-grade socket head cap screw, an 8.8-grade socket head cap screw, a 10.9-grade socket head cap screw and a 12.9-grade socket head cap screw. The 8.8-12.9 grade socket head cap screw is called a high-strength high-grade socket head cap screw.

The patent number CN202020921126.3 discloses a metric half-round inner hexagonal screw with a pad, which comprises a screw rod, wherein the top of the screw rod is fixedly connected with a screw cap, the upper part of the screw rod is movably sleeved with a gasket, the top of the screw cap is provided with a screw joint groove, the top of the screw rod is fixedly connected with a screw joint plate, the screw joint plate is positioned inside the screw joint groove, the inner cavity of the screw joint plate is fixedly connected with a spring, and the top end of the spring is fixedly connected with a dust guard plate; this novel scheme can prevent that the dust from entering into the inside of spiro union board, can use telescopic installation pole to dismantle, convenient to use, and easy operation provides convenience for people's daily life, has improved work efficiency simultaneously.

At present, the half-round head hexagon socket head cap screw with the pad has the following defects: 1. after the conventional half-round socket head hexagon screw with the pad is installed and fixed for a long time, the pad is easy to loosen and needs to be fastened again; 2. the conventional half-round socket head cap screw with the pad is made of more materials in the production and preparation process, so that the production cost of the fastener is high. Therefore, the half-round head hexagon socket screw with the pad is provided.

SUMMERY OF THE UTILITY MODEL

The utility model provides a half round head hexagon socket head cap screw is filled up in area, it is connected the complex elasticity extrusion mechanism with the spring to have the extrusion post through the design between half round head and gasket, wherein the extrusion post size cooperatees with the overhead extrusion groove size of half round, the extrusion post slides from top to bottom along the extrusion inslot wall, and the stopper of extrusion post both sides slides along the spacing groove track to carry on spacingly to the extrusion post, it is not hard up to avoid the screw to produce after the installation through the rebound extrusion effect of spring, can effectively solve the problem in the background art.

The utility model provides a specific technical scheme as follows:

the utility model provides a pair of half round head hexagon socket head cap screw is filled up in area, including the semicircle head, half round head lower extreme fixedly connected with screw rod, the fretwork recess has been seted up to the screw rod bottom surface, the extrusion groove has been seted up to half round head lower surface, extrusion groove upper end inner wall fixedly connected with spring, spring lower extreme fixedly connected with extrusion post, extrusion post lower extreme fixedly connected with gasket, extrusion post both sides fixedly connected with stopper.

Optionally, the hollowed-out groove is of a cross structure.

Optionally, an inner hexagonal groove is formed in the upper surface of the semicircular head.

Optionally, the inner walls of two sides of the extrusion groove are provided with limit grooves, and limit blocks are connected inside the limit grooves in a sliding mode.

The utility model has the advantages as follows:

1. the utility model discloses it is practical, convenient operation and excellent in use effect, be connected complex elastic extrusion mechanism with the spring through the design between half round head and gasket extrusion post, wherein extrusion post size cooperatees with the overhead extrusion groove size of half round, the extrusion post slides from top to bottom along the extrusion inslot wall, and the stopper of extrusion post both sides slides along the spacing groove track, thereby carry on spacingly to the extrusion post, it is not hard up to avoid the screw to produce after the installation to produce through the rebound extrusion effect of spring, solved in the past and filled up half round head hexagon screw after the installation is fixed to accomplish the longer time, its gasket produces easily not hard up, need the problem of retightening.

2. The utility model discloses in, through the cross recess that has the fretwork in the design of screw rod bottom surface, the material has been saved to the very big degree of recess of fretwork, has reduced the manufacturing cost of allen key screw, and the fretwork Caocao is cruciform structure, guarantees the intensity stability who guarantees the screw rod and connect when the fretwork, has solved in the past and has filled up the material that the half-round head allen key screw used in the production preparation process more, leads to the problem that fastener manufacturing cost is high.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is a schematic view of an overall structure of a half-round head socket head cap screw with a pad according to an embodiment of the present invention;

fig. 2 is a schematic diagram of a hollow groove structure of the half-round head socket head cap screw with a pad according to the embodiment of the present invention;

fig. 3 is a schematic structural view of an inner hexagonal groove of a half-round head inner hexagonal screw with a pad according to an embodiment of the present invention;

fig. 4 is a schematic structural view of a position a of the half-round hexagon socket head screw with a pad according to the embodiment of the present invention;

in the figure: 1. a semicircular head; 2. a screw; 3. a gasket; 4. hollowing out the groove; 5. an inner hexagonal groove; 6. extruding a groove; 7. a limiting groove; 8. extruding the column; 9. a limiting block; 10. a spring.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in further detail with reference to the accompanying drawings, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

The following will describe a half-headed socket head cap screw with a pad according to an embodiment of the present invention in detail with reference to fig. 1 to 4.

As shown in fig. 1-4, a half-round head hexagon socket head cap screw with a pad comprises a half-round head 1, a screw rod 2 is fixedly connected with the lower end of the half-round head 1, a hollowed groove 4 is formed in the bottom surface of the screw rod 2, an extrusion groove 6 is formed in the lower surface of the half-round head 1, a spring 10 is fixedly connected with the inner wall of the upper end of the extrusion groove 6, an extrusion column 8 is fixedly connected with the lower end of the spring 10, a gasket 3 is fixedly connected with the lower end of the extrusion column 8, and a limiting block 9 is fixedly connected with the two sides of the extrusion column 8.

In the embodiment, as shown in fig. 1-4, an elastic extrusion mechanism with an extrusion column 8 connected and matched with a spring 10 is designed between a half-round head 1 and a gasket 3, wherein the size of the extrusion column 8 is matched with that of an extrusion groove 6 on the half-round head 1, the extrusion column 8 slides up and down along the inner wall of the extrusion groove 6, and the screw is prevented from loosening after being installed through the rebound extrusion effect of the spring 10, so that the problem that the gasket is easy to loosen and needs to be fastened again after the installation and fixation of the hexagon socket head screw with the gasket are completed for a long time in the prior art is solved; through the cross recess that has the fretwork in the design of 2 bottom surfaces of screw rod, the material has been saved to the very big degree in the recess of fretwork, has reduced the manufacturing cost of hexagon socket head cap screw, has solved in the past and has filled up the material that half-round head hexagon socket head cap screw used in the production preparation process more, leads to the problem that fastener manufacturing cost is high.

Wherein, fretwork recess 4 is the cruciform structure.

In this embodiment, as shown in fig. 2, the hollow-out grooves 4 are in a cross-shaped structure, so as to ensure the strength stability of the connection of the screws 2 during the hollow-out process.

Wherein, the upper surface of the semicircular head 1 is provided with an inner hexagonal groove 5.

In this embodiment, as shown in fig. 3, the internal hexagonal socket 5 facilitates the insertion of a hex tool therein for screwing.

The inner walls of two sides of the extrusion groove 6 are provided with limit grooves 7, and limit blocks 9 are connected inside the limit grooves 7 in a sliding mode.

In this embodiment, as shown in fig. 4, the limiting blocks 9 on both sides of the extrusion column 8 slide along the tracks of the limiting grooves 7, so as to limit the extrusion column 8.

It should be noted that, the utility model relates to a half-round head hexagon socket head cap screw with pad, in operation, through designing the elasticity extrusion mechanism that extrusion post 8 is connected with spring 10 and cooperates between half-round head 1 and gasket 3, wherein extrusion post 8 size and 6 size cooperations of extrusion groove on the half-round head 1, extrusion post 8 slides from top to bottom along 6 inner walls of extrusion groove, and stopper 9 of extrusion post 8 both sides slides along 7 tracks of spacing groove, thus carry on spacing to extrusion post 8, avoid the screw to produce the looseness after the installation through the rebound extrusion effect of spring 10, solve in the past, after the half-round head hexagon screw with pad finishes the fixed longer time in the installation, its gasket produced the looseness easily, need the problem fastened again; through the design in 2 bottom surfaces of screw rod have the cross recess of fretwork, the material has been saved to the very big degree in the recess of fretwork, has reduced the manufacturing cost of allen key screw, and fretwork Caocao 4 is the cruciform structure, guarantees the intensity stability that screw rod 2 connects when the fretwork, has solved in the past and has filled up the problem that the material that half-round head allen key screw used is more in the production preparation process, leads to fastener manufacturing cost to be high.

The utility model discloses a semi-circle head 1; a screw 2; a gasket 3; hollowing out the groove 4; an inner hexagonal groove 5; an extrusion groove 6; a limiting groove 7; an extrusion column 8; a limiting block 9; the spring 10 components are all standard or known to those skilled in the art and their construction and principle are known to those skilled in the art through technical manuals or through routine experimentation.

It is apparent that those skilled in the art can make various changes and modifications to the embodiments of the present invention without departing from the spirit and scope of the embodiments of the present invention. Thus, if such modifications and variations of the embodiments of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.

Claims

1. The utility model provides a take pad half round head hexagon socket head cap screw, includes half round head (1), its characterized in that, half round head (1) lower extreme fixedly connected with screw rod (2), fretwork recess (4) have been seted up to screw rod (2) bottom surface, extrusion groove (6) have been seted up to half round head (1) lower surface, extrusion groove (6) upper end inner wall fixedly connected with spring (10), spring (10) lower extreme fixedly connected with extrusion post (8), extrusion post (8) lower extreme fixedly connected with gasket (3), extrusion post (8) both sides fixedly connected with stopper (9).

2. The half-round socket head cap screw with the pad according to claim 1, wherein the hollowed-out groove (4) is of a cross-shaped structure.

3. The half-round hexagon socket head cap screw with the pad according to claim 1, wherein the upper surface of the half-round head (1) is provided with an inner hexagon groove (5).

4. The half-round hexagon socket head cap screw with the pad according to claim 1, wherein the inner walls of the two sides of the extrusion groove (6) are provided with limiting grooves (7), and the limiting grooves (7) are connected with limiting blocks (9) in a sliding manner.