CN211693140U - Screw with non-slip thread - Google Patents

Abstract

The utility model relates to a technical field of mechanical connection especially provides a screw of difficult smooth silk, including screw main part, anti-skidding piece and be used for the sealing washer of protection, the screw main part includes the spiral shell head main part and sets up in the screw thread main part of spiral shell head main part below, spiral shell head main part up end sets up the holding tank that is used for placing anti-skidding piece, anti-skidding piece lateral wall and holding tank inside wall transition fit, and both can dismantle the connection, anti-skidding piece is including the main part that is the cube and set up in the main part and toward the anti-skidding portion that its each face extended, the surface setting of anti-skidding portion is used for locking or the anti-skidding recess that loosens, spiral shell head main part up end is located the holding tank opening part and. The utility model discloses an antiskid sets up anti-skidding recess on an arbitrary antiskid surface, when needs locking or when loosening, can adopt an arbitrary anti-skidding recess, avoids same anti-skidding recess to be used frequently and the smooth silk scheduling problem appears.

Description

Screw with non-slip thread

Technical Field

The utility model relates to a technical field of mechanical connection, especially a screw of difficult smooth silk.

Background

The screw is a common mechanical connecting component, usually composed of a threaded rod and a screw head, for the convenience of use, grooves with different shapes are generally reserved on the upper end surface of the screw head, such as a straight groove, a cross groove, an inner hexagonal groove and the like, however, because the grooves are often used for locking or loosening the screw, the contact frequency with the screw driver is too many, a large stress concentration phenomenon exists in the specific operation process, the phenomena of wire sliding, opening and the like of the groove at the screw head are often caused, and the screw is difficult to tighten or loosen, so that a fixed object is damaged to a certain extent.

In view of the above, the present inventors have specially designed a screw that is not easy to slip, and have resulted from this.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a screw which is not easy to slide so as to solve the problems in the background technology; the technical scheme adopted is as follows:

the utility model provides a screw of difficult smooth silk, includes screw main part, anti-skidding piece and is used for the sealing washer of protection, the screw main part includes the spiral shell head main part and sets up in the screw thread main part of spiral shell head main part below, spiral shell head main part up end sets up the holding tank that is used for placing anti-skidding piece, anti-skidding piece lateral wall and holding tank inside wall transition fit, and both can dismantle the connection, anti-skidding piece is including the main part that is the cube and set up in the main part and toward the anti-skidding portion that its each face extended, the surface setting of anti-skidding portion is used for the locking or the anti-skidding recess that loosens, spiral shell head main part up end is located the holding tank opening part and sets up the annular groove, the sealing.

Furthermore, the bottom of the containing groove is provided with a square groove matched with the protection part, and the peripheral side wall of the protection part is in transition fit with the peripheral side wall of the square groove.

Further, the sealing ring is in interference fit with the annular groove and the anti-slip part.

Furthermore, the lower end face of the sealing ring is provided with a limiting column used for limiting the sealing ring between the annular groove and the anti-skid part, and the screw head main body and the inner side wall of the accommodating groove form a limiting groove used for placing the limiting column.

Furthermore, the limiting column is cuboid or cylindrical.

Furthermore, the anti-skid groove is a straight groove, a cross groove, an S-shaped groove, a polygonal groove or a polygonal boss.

Furthermore, the six anti-skid grooves are at least one or a combination of at least two of a straight groove, a cross groove, an S-shaped groove, a polygonal groove or a polygonal boss.

Further, any one of the surfaces of the anti-slip parts is provided with an internal thread.

The screw of the utility model is provided with the anti-slip part on the upper end surface of the screw head main body, and the main body part of the anti-slip part extends outwards to form six anti-slip parts, and the surface of any one anti-slip part is provided with the anti-slip groove, so that when the screw needs to be locked or loosened, any one anti-slip groove can be adopted, the problems of slipping and the like caused by frequent use of the same anti-slip groove are avoided, and even if one anti-slip groove slips, the screw can be locked or loosened by other anti-slip grooves, and the use is convenient; moreover, the anti-slip piece can be limited in the accommodating groove through the sealing ring, so that the installation and the disassembly are convenient.

Drawings

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

Wherein:

fig. 1 is a schematic structural view of the screw of the present invention;

FIG. 2 is an exploded view of the screw of the present invention;

fig. 3 is a cross-sectional view of the screw body of the present invention;

fig. 4 is a vertical partial cross-sectional view of the screw of the present invention;

fig. 5 is a transverse sectional view of the screw of the present invention;

fig. 6 is a schematic structural view of the anti-slip member of the present invention.

Description of reference numerals:

01-screw body, 02-antiskid piece, 10-screw head body, 11-accommodating groove, 12-annular groove, 13-square groove, 20-screw thread body, 30-body part, 40-antiskid part, 41-antiskid groove, 42-limiting groove, 50-sealing ring and 60-limiting part.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be clearly and completely described below. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; 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 specific meaning of the terms in the present invention can be understood in a specific case to those skilled in the art.

As shown in fig. 1 to 6, the present invention provides a screw with a non-slippery thread, and provides an implementation manner thereof. In an embodiment, the screw comprises a screw body 01, an anti-slip part 02 and a sealing ring 50 for protection, wherein the screw body 01 comprises a screw head body 10 and a thread body 20 arranged below the screw head body 10, the upper end surface of the screw head body 10 is provided with a containing groove 11 for placing the anti-slip part 02, the outer side wall of the anti-slip part 02 is in transition fit with the inner side wall of the containing groove 11, and the two parts are detachably connected, the anti-slip part 02 comprises a main body part 30 in a cube shape and anti-slip parts 40 arranged on the main body part 30 and extending towards each surface of the main body part, the surface of the anti-slip parts 40 is provided with anti-slip grooves 41 for locking or releasing, namely, the surface of any one anti-slip part 40 is provided with the anti-slip groove 41, when locking or releasing is needed, any one anti-slip groove 41 can be adopted, the problem that the same, the bolts can be locked or loosened through other anti-skid grooves 41, so that the use is convenient; an annular groove 12 is formed in the upper end face of the screw head main body 10 at the opening of the accommodating groove 11, and a sealing ring 50 is arranged between the inner side wall of the annular groove 12 and the outer side wall of the anti-skid part 40; the anti-slip elements 02 are confined in the receiving grooves 11 by the sealing rings 50, which facilitates not only the installation but also the removal.

The bottom of the accommodating groove 11 is further provided with a square groove 13 matched with the protection part, the peripheral side walls of the protection part are in transition fit with the peripheral side walls of the square groove 13, the contact surface between the anti-skid part 02 and the screw main body 01 can be enlarged, and the service life of the anti-skid part 02 and the screw main body 01 is greatly prolonged.

The sealing ring 50 is in interference fit with the annular groove 12 and the anti-skid part 40, so that the anti-skid piece 02 can be better limited in the accommodating cavity of the screw head main body 10; meanwhile, in order to enable the sealing ring 50 to be more firmly arranged between the annular groove 12 and the anti-slip part 40, a limiting column used for limiting the sealing ring 50 between the annular groove 12 and the anti-slip part 40 is arranged on the lower end face of the sealing ring 50, and a limiting groove 42 used for placing the limiting column is formed between the screw head main body 10 and the inner side wall of the accommodating groove 11. Preferably, the limiting column has a rectangular parallelepiped shape or a cylindrical shape.

Anti-skidding recess 41 is a word recess, cross recess, S type recess, polygon recess or polygon boss, and is specific, and six anti-skidding recesses 41 are a word recess, cross recess, S type recess, polygon recess or polygon boss (the accessible sets up the outside and forms for polygonal recess for circular inside) in at least one or two kinds of combinations at least, the extracting tool of not only convenient to use difference, several kinds of collocation uses can also improve anti-skidding member 02' S life.

The surface of any one anti-skid part 40 is provided with an internal thread used for taking out the anti-skid part 02, under the normal condition, the whole anti-skid part 02 can be taken out only by acting on the protective part with hands in a transition fit manner, but the internal thread is arranged to prevent the anti-skid part 02 from being blocked and cannot be taken out, and at the moment, the anti-skid part 02 can be taken out by utilizing a bolt matched with the internal thread.

In summary, the screw of the present invention is provided with the anti-slip member on the upper end surface of the screw head main body, and at the same time, the main body of the anti-slip member extends outwards to form six anti-slip parts, and the surface of any one of the anti-slip parts is provided with the anti-slip groove, so that when locking or releasing is required, any one of the anti-slip grooves can be adopted, thereby avoiding the problems of the same anti-slip groove, such as the occurrence of slipping, caused by frequent use, even if one of the anti-slip grooves slips, the bolt can be locked or released through the other anti-slip grooves, and the use is convenient; moreover, the anti-slip piece can be limited in the accommodating groove through the sealing ring, so that the installation and the disassembly are convenient.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.

Claims (8)

1. The utility model provides a screw of difficult smooth silk, its characterized in that includes screw main part, anti-skidding piece and is used for the sealing washer of protection, the screw main part includes the spiral shell head main part and sets up in the screw thread main part of spiral shell head main part below, spiral shell head main part up end sets up the holding tank that is used for placing anti-skidding piece, anti-skidding piece lateral wall and holding tank inside wall transition fit, and both can dismantle the connection, anti-skidding piece is including the main part that is the cube and set up in the main part and toward the anti-skidding portion that its each side extended, the surface setting of anti-skidding portion is used for locking or the anti-skidding recess that loosens, spiral shell head main part up end is located the holding tank opening part and sets up the annular groove, the sealing washer.

2. The screw with the characteristic of not sliding easily according to claim 1, wherein a square groove matched with the protection part is further arranged at the bottom of the accommodating groove, and the peripheral side wall of the protection part is in transition fit with the peripheral side wall of the square groove.

3. A non-slippery screw according to claim 1, wherein the sealing ring is in interference fit with both the annular groove and the anti-slippery portion.

4. The screw with low possibility of slipping according to claim 1, wherein the lower end surface of the sealing ring is provided with a limiting post for limiting the sealing ring between the annular groove and the anti-slipping portion, and two screw head main bodies and the inner side wall of the accommodating groove form a limiting groove for placing the limiting post.

5. The screw of claim 4, wherein the limiting column is rectangular or cylindrical.

6. The screw of claim 1, wherein the anti-slip groove is a straight groove, a cross groove, an S-shaped groove, a polygonal groove or a polygonal boss.

7. The screw of claim 6, wherein the six anti-slip grooves are at least one or a combination of at least two of a straight groove, a cross groove, an S-shaped groove, a polygonal groove or a polygonal boss.

8. The screw of claim 1, wherein any one of the surfaces of the anti-slip portions is provided with an internal thread.

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