CN216478318U - Hexagon socket head tapping screw - Google Patents

Abstract

The utility model relates to the technical field of screws and discloses an inner hexagonal socket head self-tapping screw which comprises an inner hexagonal screw cap, wherein the lower end of the screw cap is connected with a screw rod, self-tapping threads are formed in the rod wall of the screw rod, the lower end of the screw rod is a tip, a fixing and anti-loosening mechanism is installed on the screw cap, two fixing blocks are symmetrically connected to the upper end of the screw cap, fixing pipes are connected to the side walls of the two fixing blocks on opposite sides, the pipe bottoms of the fixing pipes are connected with springs, the other ends of the springs are connected with gauge fixing rods, one ends of the fixing rods, far away from the corresponding fixing blocks, penetrate through the pipe orifices of the corresponding fixing pipes, extend outwards and are connected with clamping blocks, limiting blocks are connected to the side walls on two sides of the screw cap, through holes are formed in the side walls of the limiting blocks, and limiting nails are arranged in the through holes.

Description

Hexagon socket head tapping screw

Technical Field

The utility model relates to the technical field of screws, in particular to a hexagon socket head tapping screw.

Background

The tapping screw is mostly used for thin metal plates, such as the connection between steel plates, saw plates, gypsum wallboards and the like and between metal keels, and during the connection, a threaded bottom hole is firstly made in a connected piece, and then the tapping screw is screwed into the threaded bottom hole of the connected piece.

However, when the conventional hexagon socket head tapping screw is used, generally, when a screwdriver is used manually, the screw is not convenient to fix, and after long-time use, the screw is easy to loosen, so that connection is unstable.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problems that the conventional socket head cap tapping screw is inconvenient to fix when being operated by a screwdriver by people and the screw is easy to loosen after being used for a long time, so that the connection is unstable.

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

a hexagon socket head tapping screw comprises a hexagon socket head nut, wherein the lower end of the nut is connected with a screw, tapping threads are arranged on the rod wall of the screw, the lower end of the screw is a pointed end, and a fixing and anti-loosening mechanism is arranged on the nut;

fixed locking mechanism includes two fixed blocks, two fixed block symmetric connection is in the upper end of nut, two all be connected with fixed pipe on the lateral wall of fixed block looks side, the intraductal socle of fixed pipe is connected with the spring, the spring other end is connected with the rule dead lever, the dead lever is kept away from the one end that corresponds the fixed block and is passed the fixed pipe mouth of pipe that corresponds and outwards extend and be connected with the clamp splice, all be connected with the stopper on the lateral wall of nut both sides, the opening has been seted up on the lateral wall of stopper, be provided with the banking pin in the opening, and the banking pin passes the opening and sets up the opening

Preferably, the upper end of the limit nail is provided with a limit cover.

Preferably, the screw cap and the screw rod are made of stainless steel.

Compared with the prior art, the utility model provides an inner hexagonal socket head tapping screw, which has the following beneficial effects:

1. this socket head cap tapping screw makes the screw laminate more easily on the screwdriver through setting up mutually supporting between nut, screw rod, fixed block, fixed pipe, spring, dead lever and the clamp splice isotructure, is convenient for operate, and save time improves work efficiency.

2. This hexagonal socket head tapping screw carries on spacingly through setting up mutual joining in marriage between stopper, opening and the stop pin isotructure with come after fixing the screw, prevents to take place not hard up, improves the stability of connecting.

Drawings

Fig. 1 is a schematic structural view of a socket head cap tapping screw according to the present invention;

FIG. 2 is a schematic structural view of a nut of a socket head cap tapping screw according to the present invention;

fig. 3 is an enlarged view of a portion a in fig. 1.

In the figure: 1. a nut; 2. a screw; 3. a fixed block; 4. a fixed tube; 5. a spring; 6. fixing the rod; 7. a clamping block; 8. a limiting block; 9. a port; 10. a limit pin; 11. and a limiting cover.

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.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and 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.

Referring to fig. 1-3, the hexagon socket head tapping screw comprises a hexagon socket head nut 1, wherein the lower end of the nut 1 is connected with a screw 2, tapping threads are arranged on the rod wall of the screw 2, the lower end of the screw 2 is a tip, and a fixing and anti-loosening mechanism is arranged on the nut 1;

fixed locking mechanism includes two fixed blocks 3, 3 symmetric connection in the upper end of nut 1 of two fixed blocks, all be connected with fixed pipe 4 on the lateral wall of two fixed block 3 opposite sides, be connected with spring 5 at the bottom of fixed pipe 4 inner tube, the spring 5 other end is connected with rule dead lever 6, dead lever 6 is kept away from the one end that corresponds fixed block 3 and is passed the fixed pipe 4 mouth of pipe that corresponds and outwards extends and be connected with clamp splice 7, all be connected with stopper 8 on the lateral wall of nut 1 both sides, opening 9 has been seted up on the lateral wall of stopper 8, be provided with spacing nail 10 in opening 9, and spacing nail 10 passes opening 9 and sets up

The upper end of the limit nail 10 is provided with a limit cover 11, so that acting force can be applied to the limit nail 10 conveniently.

The screw cap 1 and the screw rod 2 are made of stainless steel.

In the utility model, a horizontal transverse acting force is applied to the two clamping blocks 7, the two clamping blocks 7 horizontally move back and forth under the action of the acting force, the action force is generated on the fixing rod 6 by the movement of the clamping blocks 7, the horizontal transverse movement is generated in the fixing tube 4 under the action of the acting force, the action force is generated on the spring 5 by the movement of the fixing rod 6, the spring 5 deforms under the action of the acting force, when the two clamping blocks 7 move to a specified position, the front end of a screwdriver is put on the nut 1, the action force on the two clamping blocks 7 is cancelled, at the moment, the spring 5 resets, the spring 5 generates the acting force on the fixing rod 6, the horizontal transverse movement is generated by the acting force on the fixing rod 6, the clamping blocks 7 are driven by the movement of the fixing rod 6, the front end of the screwdriver is fixed by the clamping blocks 7, so that the screw is not easy to shake, after the screw is inserted into the specified position, exerting a vertical decurrent effort to two stop pins 10, stop pin 10 receives the effort and will be vertical downstream, and stop pin 10 will be spacing to the screw, makes it difficult emergence not hard up, is convenient for fix screw and screwdriver through the reset function who utilizes spring 5, conveniently operates, and save time recycles stop pin 10 and comes spacing to the screw, makes it difficult emergence not hard up, improves the stability of connecting.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims (3)

1. The inner hexagonal cylindrical head self-tapping screw comprises an inner hexagonal screw cap (1) and is characterized in that the lower end of the screw cap (1) is connected with a screw rod (2), self-tapping threads are formed in the rod wall of the screw rod (2), the lower end of the screw rod (2) is a pointed end, and a fixing and anti-loosening mechanism is mounted on the screw cap (1);

fixed locking mechanism includes two fixed blocks (3), two fixed block (3) symmetric connection is in the upper end of nut (1), two all be connected with fixed pipe (4) on the lateral wall of fixed block (3) side in opposite directions, be connected with spring (5) at the bottom of fixed pipe (4) inner tube, the spring (5) other end is connected with rule dead lever (6), the one end of keeping away from corresponding fixed block (3) of dead lever (6) is passed corresponding fixed pipe (4) mouth of pipe and is outwards extended and be connected with clamp splice (7), all be connected with stopper (8) on the lateral wall of nut (1) both sides, opening (9) have been seted up on the lateral wall of stopper (8), be provided with spacing nail (10) in opening (9), and spacing nail (10) pass opening (9) setting.

2. A socket head tapping screw according to claim 1, wherein a stopper cap (11) is attached to an upper end of the stopper pin (10).

3. A socket head cap tapping screw according to claim 1, wherein the nut (1) and the shank (2) are both made of stainless steel.

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