CN215805626U - Thin round column head machine screw of no slot type - Google Patents

Abstract

The utility model relates to the technical field of fastening tools, in particular to a thin-circular-head machine screw without a groove, which comprises a thin-circular-head machine screw main body, wherein the thin-circular-head machine screw main body is composed of a screw rod and a cylindrical head arranged at the top of the screw rod, a plurality of annular anti-slip strips which are arranged at equal intervals are arranged on the annular side surface of the cylindrical head, clamping grooves are arranged between two mutually adjacent anti-slip strips, a rotating tool is arranged on the cylindrical head and comprises a hexagonal convex block, a fixing ring is arranged at the central position of the hexagonal convex block and sleeved on the cylindrical head, a plurality of annular clamping blocks which are arranged at equal intervals are arranged on the inner annular side surface of the fixing ring, and the clamping blocks are positioned in the clamping grooves and are in inserted connection and matched with the clamping grooves. The utility model is convenient for rotating operation, convenient for use and brings convenience to users.

Description

Thin round column head machine screw of no slot type

Technical Field

The utility model relates to the technical field of fastening tools, in particular to a thin round column head machine screw without a groove.

Background

The non-groove type thin-round column head machine screw is a screw without a groove formed in a thin-round column head, the types of the non-groove type thin-round column head machine screws in the market are more, but most of the non-groove type thin-round column head machine screws lack corresponding rotating tools, so that the thin-round column head is further inconvenient to rotate by a user, and inconvenience is brought to the user.

SUMMERY OF THE UTILITY MODEL

The present invention aims to provide a thin round stud bolt without slot to solve the above mentioned drawbacks of the background art.

In order to achieve the purpose, the utility model provides the following technical scheme:

the thin column head machine screw comprises a thin column head machine screw main body, wherein the thin column head machine screw main body is composed of a screw rod and a cylindrical head arranged at the top of the screw rod, a plurality of annular anti-slip strips which are arranged at equal intervals are arranged on the annular side face of the cylindrical head, clamping grooves are formed between the anti-slip strips and adjacent to each other, a rotating tool is arranged on the cylindrical head and comprises a hexagonal convex block, a fixing ring is arranged at the central position of the hexagonal convex block and sleeved on the cylindrical head, a plurality of clamping blocks which are arranged at equal intervals are arranged on the inner annular side face of the fixing ring, and the clamping blocks are positioned in the clamping grooves and matched with the clamping grooves in an inserting mode.

Preferably, the hexagonal lug is provided with a limiting ring, the central position of the limiting ring is provided with a hexagonal groove communicated with the outside, the hexagonal lug is positioned in the hexagonal groove and is in plug fit with the hexagonal groove, the annular side surface of the limiting ring is provided with a handle horizontally arranged, and the limiting ring, the hexagonal lug and the cylindrical head are driven to rotate more smoothly by rotating the handle.

Preferably, the hexagonal lug with be provided with the anticreep part between the spacing ring, the anticreep part includes fixed mounting fixed disk and fixed mounting on the spacing ring top surface are in the saucer on the fixed ring top surface, the bottom surface central point department of putting of fixed disk is provided with the projection, the upper surface central point department of putting of saucer is provided with the sleeve, the sleeve cover is established on the projection and with sliding connection between the projection plays the effect of leading and fixing a position spacing ring cover on the hexagonal lug.

Preferably, be provided with the through-hole that is linked together with the external world in the sleeve, the projection be located in the through-hole and with sliding connection between the through-hole, be provided with the ring channel on the pore wall of through-hole, the bottom of projection is provided with spacing dish, spacing dish be located in the ring channel and with sliding connection between the ring channel guarantees when using, utilizes sleeve and projection to carry on spacingly to spacing ring and hexagonal lug, guarantees that the effect that the hexagonal lug is difficult for appearing dropping from the spacing ring.

Preferably, the outer diameter of the limiting disc is larger than the aperture of the through hole, so that the limiting disc cannot be separated from the through hole.

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

1. the rotating tool is arranged, so that the fixing ring can be sleeved on the cylindrical head when the thin-column-head-type cylindrical head is used, the clamping block is clamped in the clamping groove, the limiting ring, the hexagonal convex block and the cylindrical head can be driven to rotate by rotating the handle, the cylindrical head is more convenient to rotate and use, and the problem that most of non-groove-type thin-column-head-type cylindrical head-type screws are lack of corresponding rotating tools, the thin-column-head is inconvenient to rotate by a user is further solved.

2. According to the utility model, the anti-falling component is arranged, so that the hexagonal lug is limited on the limiting ring, the hexagonal lug is prevented from falling off from the limiting ring, and the hexagonal lug is prevented from being lost.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic structural view of a screw body of the thin cylindrical stud machine of the present invention;

FIG. 3 is a schematic illustration of an exploded view of the rotary tool of the present invention;

FIG. 4 is a schematic structural view of the anti-separation member of the present invention;

fig. 5 is a cross-sectional view of the sleeve of the present invention.

In the figure: 1. a thin cylindrical head machine screw body; 10. a screw shaft; 11. a cylindrical head; 12. anti-slip strips; 121. a card slot; 2. rotating the tool; 20. a hexagonal bump; 21. a fixing ring; 211. a clamping block; 22. a limiting ring; 221. a hexagonal groove; 23. a handle; 24. an anti-drop component; 241. fixing the disc; 242. a convex column; 243. a limiting disc; 244. a pad disc; 245. a sleeve; 2451. a through hole; 2452. an annular groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it is to 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", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.

Referring to fig. 1-5, the present invention provides a technical solution:

a thin column head machine screw without a groove comprises a thin column head machine screw main body 1, wherein the thin column head machine screw main body 1 is composed of a screw rod 10 and a cylindrical head 11 arranged at the top of the screw rod 10, a plurality of annular anti-slip strips 12 arranged at equal intervals are integrally formed on the annular side surface of the cylindrical head 11, clamping grooves 121 are formed between every two adjacent anti-slip strips 12, and the friction force between the anti-slip strips 12 and fingers can be increased through the arranged anti-slip strips, so that the cylindrical head 11 can be rotated directly and smoothly; be provided with on the cylinder head 11 and rotate instrument 2, it includes hexagonal lug 20 to rotate instrument 2, the central point of hexagonal lug 20 puts an integrated into one piece and has solid fixed ring 21, gu fixed ring 21 cover is established on cylinder head 11, gu integrated into one piece has a plurality of fixture blocks 211 that are cyclic annular equidistant range on fixed ring 21's the interior annular side, fixture block 211 be located draw-in groove 121 and with draw-in groove 121 between the cooperation of pegging graft, utilize fixture block 211 card to go into draw-in groove 121 in the back, the rethread rotates hexagonal lug 20 and drives cylinder head 11 and rotate more smoothly, and is convenient to use.

In this embodiment, be provided with spacing ring 22 on the hexagonal lug 20, the central point of spacing ring 22 puts the department and is provided with the hexagonal recess 221 that is linked together with the external world, hexagonal lug 20 be located hexagonal recess 221 and with the cooperation of pegging graft between the hexagonal recess 221, the cross-section of hexagonal lug 20 and hexagonal recess 221 all is the hexagon, the size of hexagonal lug 20 and the size looks adaptation of hexagonal recess 221, be provided with the handle 23 that is the level form setting on the annular side of spacing ring 22, it is more smooth to make to drive spacing ring 22 through rotating handle 23, hexagonal lug 20 and cylinder head 11 rotate.

Specifically, anti-disengaging part 24 is arranged between hexagonal convex block 20 and spacing ring 22, anti-disengaging part 24 includes fixed disk 241 and the saucer 244 of close welding on the fixed ring 21 top surface of close welding on spacing ring 22 top surface, the bottom surface central point department of fixed disk 241 has close welding of projection 242, the upper surface central point department of saucer 244 has close welding of sleeve 245, sleeve 245 overlaps and establishes on projection 242 and with projection 242 between sliding connection, play the effect of leading and fixing a position spacing ring 22 cover on hexagonal convex block 20.

Further, a through hole 2451 communicated with the outside is arranged in the sleeve 245, the protruding column 242 is located in the through hole 2451 and is in sliding connection with the through hole 2451, an annular groove 2452 is arranged on the hole wall of the through hole 2451, a limiting disc 243 is arranged at the bottom end of the protruding column 242, the limiting disc 243 is located in the annular groove 2452 and is in sliding connection with the annular groove 2452, it is guaranteed that when the hexagonal nut is used, the limiting ring 22 and the hexagonal protrusion 20 are limited by the sleeve 245 and the protruding column 242, and the effect that the hexagonal protrusion 20 is not prone to falling off from the limiting ring 22 is guaranteed.

In addition, the outer diameter of the limiting disc 243 is larger than the aperture of the through hole 2451, so that the limiting disc 243 cannot be separated from the through hole 2451.

When the thin-column head machine screw without the groove is used, the cylindrical head 11 can be directly rotated to drive the screw rod 10 to rotate, when the cylindrical head 11 is not convenient to directly rotate, the fixing ring 21 can be sleeved on the cylindrical head 11, the clamping block 211 is ensured to be clamped into the clamping groove 121, then the limiting ring 22 is moved downwards, the hexagonal convex block 20 is ensured to be inserted into the hexagonal groove 221, the handle 23 is rotated, the limiting ring 22, the hexagonal convex block 20 and the cylindrical head 11 can be driven to rotate by rotating the handle 23, the use is convenient, and the problems that the thin-column head machine screw without the groove is lack of corresponding rotating tools on most of thin-column head machine screws without the groove are further caused, the thin-column head is not convenient to rotate by a user, and the inconvenience is brought to the user are solved.

The foregoing shows and describes the general principles, essential features, and advantages of the utility model. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims (5)

1. A thin cylindrical stud head screw of the slotless type, including thin cylindrical stud head screw main part (1), characterized by: the thin-column head machine screw main body (1) is composed of a screw rod (10) and a column head (11) arranged at the top of the screw rod (10), a plurality of anti-skid strips (12) which are arranged in an annular and equidistant manner are arranged on the annular side surface of the cylindrical head (11), a clamping groove (121) is arranged between every two adjacent anti-skid strips (12), a rotating tool (2) is arranged on the cylindrical head (11), the rotating tool (2) comprises a hexagonal convex block (20), a fixing ring (21) is arranged at the central position of the hexagonal convex block (20), the fixing ring (21) is sleeved on the cylindrical head (11), a plurality of clamping blocks (211) which are annularly arranged at equal intervals are arranged on the inner annular side surface of the fixing ring (21), the clamping block (211) is positioned in the clamping groove (121) and is in inserted fit with the clamping groove (121).

2. The thin round stud machine screw of claim 1, wherein: be provided with spacing ring (22) on hexagonal lug (20), the central point department of putting of spacing ring (22) is provided with hexagonal recess (221) that is linked together with the external world, hexagonal lug (20) are located in hexagonal recess (221) and with the cooperation of pegging graft between hexagonal recess (221), be provided with handle (23) that are the level form and set up on the annular side of spacing ring (22).

3. The thin round stud head screw of the grooveless type according to claim 2, wherein: hexagonal lug (20) with be provided with anticreep part (24) between spacing ring (22), anticreep part (24) are including fixed mounting fixed disk (241) and fixed mounting on spacing ring (22) top surface are in saucer (244) on fixed ring (21) top surface, the bottom surface central point department of putting of fixed disk (241) is provided with projection (242), the upper surface central point department of putting of saucer (244) is provided with sleeve (245), sleeve (245) cover is established on projection (242) and with sliding connection between projection (242).

4. The thin round stud machine screw of claim 3, with no slot, characterized in that: a through hole (2451) communicated with the outside is arranged in the sleeve (245), the convex column (242) is positioned in the through hole (2451) and is in sliding connection with the through hole (2451), an annular groove (2452) is arranged on the hole wall of the through hole (2451), a limiting disc (243) is arranged at the bottom end of the convex column (242), and the limiting disc (243) is positioned in the annular groove (2452) and is in sliding connection with the annular groove (2452).

5. The thin round stud machine screw of claim 4, wherein: the outer diameter of the limiting disc (243) is larger than the aperture of the through hole (2451).

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