CN217783968U

CN217783968U - Round-head self-tapping screw

Info

Publication number: CN217783968U
Application number: CN202221043434.6U
Authority: CN
Inventors: 高晨旭
Original assignee: China Energy Construction Beijing Energy Research Institute Co ltd
Current assignee: China Energy Construction Beijing Energy Research Institute Co ltd
Priority date: 2022-05-05
Filing date: 2022-05-05
Publication date: 2022-11-11
Anticipated expiration: 2032-05-05

Abstract

The utility model discloses a button head self tapping screw, including the screw body of rod, the fixed surface of the screw body of rod installs first fixed block, and the surface mounting of first fixed block has the screw head, the draw-in groove has all been seted up at the middle part of the screw body of rod and first fixed block, and the upside of draw-in groove is provided with the inserted bar to the surface mounting of inserted bar has the second fixed block, the surface of first fixed block is seted up flutedly, and the inside fixed mounting of recess has the dead lever, the surface connection of dead lever has the dwang. This button head self tapping screw through setting up dead lever, dwang, taper block and connecting plate, and the dwang constitutes rotating-structure through the mounting hole that the surface was seted up and dead lever, and taper block and connecting plate set up respectively in the both sides of dead lever, and when the screw drill income internal back of thing, can drive the connecting plate and remove, and the movable plate passes through the taper block that the dead lever drove the opposite side and removes, impels the inside of object with the taper block, avoids the condition that drops for a long time, has promoted the practicality of device.

Description

Round-head self-tapping screw

Technical Field

The utility model relates to a relevant technical field of screw specifically is a button head self tapping screw.

Background

The self-tapping screw is generally a sharp-pointed, coarse-toothed and hard wood screw, and also is made of aluminum alloy or plastic. A special self-tapping screw for tapping metal holes is called a tap, and the self-tapping screw is used for nonmetal or softer metal without drilling and tapping; the self-tapping screw is pointed, so that self-tapping can be realized, and the existing round-head self-tapping screw still has some problems in use.

When the existing round-head self-tapping screw is used, after the screw is drilled into an object, after the screw is over-inclined for a period of time, the screw can fall off, and when the screw is drilled into the object, the phenomenon of inclination easily occurs, so that the round-head self-tapping screw is provided, and the problem of the round-head self-tapping screw is solved.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a button head self tapping screw to propose current button head self tapping screw when using among the above-mentioned background art of solution, with the screw drill get into the object after, a period of time is after, the condition that the screw can take place to drop, and when getting into the object with the screw drill, the phenomenon of slope appears easily, the problem.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a button head self tapping screw, includes the screw body of rod, the fixed surface of the screw body of rod installs first fixed block, and the surface mounting of first fixed block has the screw head, the draw-in groove has all been seted up at the middle part of the screw body of rod and first fixed block, and the upside of draw-in groove is provided with the inserted bar to the surface mounting of inserted bar has the second fixed block, the surface of first fixed block is seted up flutedly, and the inside fixed mounting of recess has the dead lever, the surface connection of dead lever has the dwang, and installs taper block and connecting plate respectively on the surface of dwang both sides, the both sides of the screw body of rod are provided with first connecting piece and second connecting piece respectively, and the surface of first connecting piece has seted up the mounting groove, the fixed surface of second connecting piece installs the lug, and the surface of first connecting piece and second connecting piece all is provided with the fixed plate.

Preferably, the first fixing block is connected with the screw head in a welding connection mode, and a screw hole is formed in the surface of the screw head.

Preferably, the inserted bar is fixedly connected with the second fixed block, the inserted bar is connected with the clamping groove in a clamping connection mode, the second fixed block is arranged in a hexagonal mode, and the screw bar body and the inserted bar form a sliding clamping structure.

Preferably, the surface of the rotating rod is provided with a mounting hole, and the rotating rod passes through the mounting hole and forms a rotating structure with the fixing rod.

Preferably, the mounting groove and the bump are connected in a clamping connection mode, and the first connecting piece and the second connecting piece respectively form a clamping structure through the mounting groove and the bump on the surface.

Preferably, the first connecting piece and the second connecting piece are both in arc-shaped arrangement, and the fixing plate is fixedly connected with the first connecting piece and the second connecting piece in a connecting mode.

Compared with the prior art, the beneficial effects of the utility model are that: this button head self tapping screw can avoid the screw to bore into the object after, the condition that takes place to drop to the convenience is spacing to the screw, avoids appearing the phenomenon of slope, has promoted the practicality of device.

1. Through setting up dead lever, dwang, awl piece and connecting plate, the dwang constitutes rotating-structure through the mounting hole that the surface was seted up with the dead lever, and awl piece and connecting plate set up respectively in the both sides of dead lever, and after the screw drill goes into the object in, can drive the connecting plate and remove, and the movable plate passes through the awl piece that the dead lever drove the opposite side and removes, impels the inside of object with the awl piece, avoids the condition that drops for a long time, has promoted the practicality of device.

2. Through setting up first connecting piece, second connecting piece, mounting groove and lug, the block is connected between the mounting groove on first connecting piece surface and the lug on second connecting piece surface, and the convenience is installed first connecting piece and second connecting piece, and first connecting piece and second connecting piece all are the arc setting, and the convenience is the ring with first connecting piece and second connecting piece equipment, and the convenience is spacing to the screw, when avoiding boring, the phenomenon of slope appears, has promoted the practicality of device.

Drawings

Fig. 1 is a schematic three-dimensional structure of the present invention;

fig. 2 is a schematic structural view of the first fixing block and the slot of the present invention;

FIG. 3 is a schematic structural view of the fixing rod and the conical block of the present invention;

fig. 4 is a schematic structural view of the mounting hole of the present invention;

fig. 5 is a schematic structural diagram of the mounting groove and the bump of the present invention.

In the figure: 1. a screw rod body; 2. a first fixed block; 3. a screw head; 4. a screw hole; 5. a card slot; 6. inserting a rod; 7. a second fixed block; 8. a groove; 9. a fixing rod; 10. rotating the rod; 11. a conical block; 12. a connecting plate; 13. mounting holes; 14. a first connecting member; 15. a second connecting member; 16. mounting grooves; 17. a bump; 18. and (7) fixing the plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, 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 work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a round head self-tapping screw comprises a screw rod body 1, in order to avoid automatic falling of the screw for a long time, a first fixing block 2 is fixedly arranged on the surface of the screw rod body 1, a screw head 3 is arranged on the surface of the first fixing block 2, the first fixing block 2 is connected with the screw head 3 in a welding connection mode, a screw hole 4 is formed in the surface of the screw head 3, the screw can be conveniently disassembled through the screw hole 4, clamping grooves 5 are formed in the middle parts of the screw rod body 1 and the first fixing block 2, an inserting rod 6 is arranged on the upper side of each clamping groove 5, a second fixing block 7 is arranged on the surface of each inserting rod 6, the inserting rod 6 is fixedly connected with the second fixing block 7, and the inserting rod 6 is connected with the clamping grooves 5 in a clamping connection mode, and second fixed block 7 is the hexagon setting, the screw body of rod 1 constitutes slip block structure with inserted bar 6, it is convenient to drive inserted bar 6 through rotating second fixed block 7 and rotate, inserted bar 6 conveniently drives the screw body of rod 1 on surface and rotates, conveniently dismantle, the surface of first fixed block 2 is seted up flutedly 8, and the inside fixed mounting of recess 8 has dead lever 9, dead lever 9's surface is connected with dwang 10, and the surface of dwang 10 both sides installs taper block 11 and connecting plate 12 respectively, mounting hole 13 has been seted up on the surface of dwang 10, and dwang 10 passes through and constitutes rotating-structure between mounting hole 13 and the dead lever 9, make things convenient for dwang 10 to rotate at the inside of recess 8, drive surperficial connecting plate 12 and taper block 11 through dwang 10 and rotate.

Referring to fig. 1 and 5, in order to avoid the situation that a screw inclines when the screw drills into an object, a first connecting piece 14 and a second connecting piece 15 may be respectively disposed on two sides of a screw rod body 1, an installation groove 16 is formed in a surface of the first connecting piece 14, a protrusion 17 is fixedly installed on a surface of the second connecting piece 15, the installation groove 16 and the protrusion 17 are connected in a snap-fit connection manner, the first connecting piece 14 and the second connecting piece 15 respectively form a snap-fit structure through the installation groove 16 and the protrusion 17 on the surface, the first connecting piece 14 and the second connecting piece 15 are conveniently connected through the installation groove 16 and the protrusion 17, fixing plates 18 are disposed on surfaces of the first connecting piece 14 and the second connecting piece 15, the first connecting piece 14 and the second connecting piece 15 are both arranged in an arc shape, the fixing plates 18 are fixedly connected with the first connecting piece 14 and the second connecting piece 15, the fixing plates 14 and the second connecting piece 15 are conveniently enclosed in a circular ring shape, and limit the screw.

The working principle is as follows: firstly, when the screw driver is used, the convex block 17 on the surface of the second connecting piece 15 is clamped into the mounting groove 16 on the surface of the first connecting piece 14, the first connecting piece 14 and the second connecting piece 15 are mounted, then a screw is placed between the first connecting piece 14 and the second connecting piece 15, then the screw is rotated and is turned into an object, the screw is conveniently limited through the first connecting piece 14 and the second connecting piece 15, and the situation that the screw is inclined to affect use when the screw is drilled into the object is avoided.

When the screw is to be completely drilled into an object, when the screw moves downwards, the object can be in contact with the connecting plate 12 at first, the connecting plate 12 drives the conical block 11 on the other side surface to move through the rotating rod 10, when the connecting plate 12 rotates upwards, the conical block 11 is conveniently driven to move towards one side through the rotating rod 10, the conical block 11 is clamped into the surface of the object, and long-time screw falling is avoided.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a button head self tapping screw, includes the screw body of rod (1), its characterized in that: the utility model discloses a screw rod, including the screw rod body, the fixed surface of the screw rod body (1) installs first fixed block (2), and the surface mounting of first fixed block (2) has screw head (3), draw-in groove (5) have all been seted up at the middle part of the screw rod body (1) and first fixed block (2), and the upside of draw-in groove (5) is provided with inserted bar (6) to the surface mounting of inserted bar (6) has second fixed block (7), the surface of first fixed block (2) is seted up flutedly (8), and the inside fixed mounting of recess (8) has dead lever (9), the surface connection of dead lever (9) has dwang (10), and the surface of dwang (10) both sides installs taper block (11) and connecting plate (12) respectively, the both sides of the screw rod body (1) are provided with first connecting piece (14) and second connecting piece (15) respectively, and the surface of first connecting piece (14) has seted up mounting groove (16), the fixed surface of second connecting piece (15) installs lug (17), and the surface of first connecting piece (14) and second connecting piece (15) all is provided with fixed plate (18).

2. A round head self-tapping screw as defined in claim 1, wherein: adopt welded connected mode to connect between first fixed block (2) and screw head (3), and screw hole (4) have been seted up on the surface of screw head (3).

3. A round head self-tapping screw as defined in claim 1, wherein: the connecting mode of inserted bar (6) and second fixed block (7) is fixed connection, and adopts the mode of block connection to be connected between inserted bar (6) and draw-in groove (5) to second fixed block (7) are the hexagon setting, the screw rod body (1) constitutes slip block structure with inserted bar (6).

4. A round head self-tapping screw as defined in claim 1, wherein: mounting hole (13) have been seted up on the surface of dwang (10), and dwang (10) pass through and constitute rotating-structure between mounting hole (13) and dead lever (9).

5. The round-head self-tapping screw as defined in claim 1, wherein: the mounting groove (16) and the bump (17) are connected in a clamping connection mode, and the first connecting piece (14) and the second connecting piece (15) form a clamping structure through the mounting groove (16) and the bump (17) on the surface respectively.

6. The round-head self-tapping screw as defined in claim 1, wherein: the first connecting piece (14) and the second connecting piece (15) are both arranged in an arc shape, and the fixing plate (18) is fixedly connected with the first connecting piece (14) and the second connecting piece (15).