CN210715505U

CN210715505U - Screw assembly

Info

Publication number: CN210715505U
Application number: CN201921279214.1U
Authority: CN
Inventors: 谢福权
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-08-08
Filing date: 2019-08-08
Publication date: 2020-06-09
Anticipated expiration: 2029-08-08

Abstract

The utility model provides a screw assembly. The screw assembly includes: the screw comprises an inserting part, one end of the inserting part is provided with an inserting tip part, and the other end of the inserting part is provided with a first trapezoid part; a balance part disposed at the other side of the first trapezoid part; a second trapezoidal portion disposed at the other side of the balancing portion; an arc portion disposed on the other side of the second trapezoidal portion; the head, the head set up in the opposite side of arc portion, insert the point portion insert the portion first trapezoidal portion the balancing portion the second trapezoidal portion the arc portion with be provided with the thread between the surface of head. The utility model provides a screw subassembly, through preventing the setting in anti-falling piece and anti-falling groove, when guaranteeing the inside of screw embedding carrier, prevent the setting in anti-falling piece and anti-falling groove, can effectually avoid not hard up of screw.

Description

Screw assembly

Technical Field

The utility model relates to a screw field especially relates to a screw assembly.

Background

The screw is a tool for fastening machine parts of an object step by utilizing the physics and mathematical principles of the inclined plane circular rotation and the friction force of the object, the screw is a general term of a fastener, and the screw is an indispensable industrial necessity in daily life in a daily oral language: extremely small screws used for cameras, glasses, clocks, electronics, and the like; general screws for televisions, electric appliances, musical instruments, furniture, and the like; large screws and nuts are used for engineering, buildings and bridges; transportation equipment, airplanes, electric trains, automobiles, and the like are used in combination with large and small screws, and the screws have an important task in industry, and as long as the industry exists on the earth, the functions of the screws are always important.

The screw is a common invention in production and life of people for thousands of years, and is one of the first inventions of human beings according to the application field, but the existing screw has certain defects in the embedding process, for example, when the existing screw is embedded into the carrier, the head of the screw is exposed outside the carrier, so that the aesthetic property of the screw is influenced, the screw exposed outside causes damage and damages to hands, clothes and the like, and the stability of the embedded existing screw is poor.

Therefore, there is a need to provide a screw assembly to solve the above-mentioned problems.

SUMMERY OF THE UTILITY MODEL

The utility model provides a screw assembly, it is relatively poor to have solved the stability after the screw embedding, does not have the problem of good anti-drop function.

In order to solve the technical problem, the utility model provides a screw assembly includes: a screw, the screw comprising: the plug comprises a plug part, a plug body and a plug body, wherein one end of the plug part is provided with a plug tip part, and the other end of the plug part is provided with a first trapezoid part; a balance part disposed at the other side of the first trapezoid part; a second trapezoidal portion disposed at the other side of the balancing portion; an arc portion disposed on the other side of the second trapezoidal portion; a head portion disposed at the other side of the arc portion.

Preferably, the inserting tip portion, the inserting portion, the first trapezoidal portion, the balancing portion, the second trapezoidal portion, the arc portion and a thread is arranged between the outer surfaces of the head portion.

Preferably, the arc part and the outer surface of the head part are arc surfaces, and the length of the balance part is 0.8 cm-1.3 cm.

Preferably, the thread ridge surrounding type is provided on the outer surfaces of the insertion tip portion, the insertion portion, the first trapezoidal portion, the balance portion, the second trapezoidal portion, the arc portion, and the head portion.

Preferably, one side of the thread teeth is provided with a plurality of anti-falling blocks, and one side of each anti-falling block is provided with three anti-falling grooves.

Preferably, one side of the head part is provided with a cross groove, and the inner surface of the cross groove is an arc-shaped surface.

Preferably, one side of the inner wall of the cross groove is provided with a circular groove, and the outer surface of the circular groove is provided with four limiting grooves.

Compared with the prior art, the utility model provides a screw subassembly has following beneficial effect:

the utility model provides a screw subassembly, when the screw need imbed in the inside of carrier, will insert the sharp portion and aim at the carrier, reuse in the inside that the bottle opener of head looks adaptation inserted the head of screw, drive the screw through the head of rotatory screw and rotate, at this moment cooperation screw thread tooth just can imbed the screw in the inside of carrier, because of the screw thread tooth encircle the type set up in insert the portion first trapezoidal portion the balancing portion the second trapezoidal portion the arc portion with between the surface of head, consequently through the setting of screw thread tooth, make the inside that the better rotation of whole screw is imbedded in the carrier, avoid the head of screw to expose outside, influence its pleasing to the eye, need not punch through the puncher on the carrier in advance, improved operating efficiency, not only improved its aesthetic property and integrality, can effectually avoid exposing outside the screw to cause hand, Some damage and destruction of clothing and the like;

through preventing the setting of falling the piece and preventing the groove, when guaranteeing the inside of screw embedding carrier, prevent the piece and prevent the setting of falling the groove, can effectually avoid not hard up of screw, the setting of cross recess mainly is the insertion of the flat screwdriver of being convenient for moreover, is convenient for drive the screw through the flat screwdriver and rotates, the internal surface of cross recess is the arcwall face, and the setting of circular recess and spacing groove, the plum blossom screwdriver of being convenient for inserts, and it also can drive the screw and rotate mainly to guarantee different screwdrivers.

Drawings

Fig. 1 is a schematic structural diagram of a screw assembly provided by the present invention;

FIG. 2 is a schematic view of a prior art screw;

FIG. 3 is a schematic view of the assembly of a prior art screw;

FIG. 4 is a schematic structural view of a screw;

FIG. 5 is an enlarged view of portion A of FIG. 4;

fig. 6 is a side view of the structure of the head shown in fig. 4.

Reference numbers in the figures: 1. the screw, 11, the portion of inserting, 12, the screw thread, 13, the point portion of inserting, 14, first trapezoidal portion, 15, the balancing part, 16, the trapezoidal portion of second, 17, arc portion, 18, the head, 2, circular recess, 3, spacing groove, 4, prevent down piece, 5, prevent down the groove, 6, cross recess.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and embodiments.

Please refer to fig. 1-6, wherein fig. 1 is a schematic structural diagram of a screw assembly according to the present invention; FIG. 2 is a schematic view of a prior art screw; FIG. 3 is a schematic view of the assembly of a prior art screw; FIG. 4 is a schematic structural view of a screw; FIG. 5 is an enlarged view of portion A of FIG. 4; fig. 6 is a side view of the structure of the head shown in fig. 4. A screw assembly comprising: the screw 1 comprises an inserting part 11, wherein one end of the inserting part 11 is provided with an inserting tip part 13, and the other end of the inserting part 11 is provided with a first trapezoid part 14; a balance part 15, the balance part 15 being provided on the other side of the first trapezoidal part 14; a second trapezoidal portion 16, the second trapezoidal portion 16 being disposed on the other side of the balance portion 15; an arc part 17, the arc part 17 being disposed at the other side of the second trapezoid part 16; the head part 18, the head part 18 is arranged at the other side of the arc-shaped part 17, and the combination of the first trapezoidal part 14, the balance part 15, the second trapezoidal part 16, the arc-shaped part 17 and the head part 18 is arranged in an inverted cone shape, so that the joint is firm, and a common screw is usually only a little bit, so that the problem that the head cannot be sunk when the screw is not beaten flatly without force and can be broken when the screw is beaten is solved.

A thread 12 is arranged between the spigot 13, the spigot 11, the first trapezoid part 14, the balance part 15, the second trapezoid part 16, the arc part 17 and the outer surface of the head 18, which mainly ensures that the screw 1 can completely enter the inside of the carrier in the rotation process of the screw 1 through the arrangement of the thread 12 without punching on the carrier in advance;

one side of screw thread 12 is provided with a plurality of and prevents down piece 4, a plurality of prevent down one side of piece 4 and be provided with three groove 5 of preventing falling, be provided with here and prevent down piece 4 and prevent down the setting of groove 5, when mainly guaranteeing the inside of screw 1 embedding carrier, prevent down piece 4 and prevent down the setting of groove 5, can effectually avoid not hard up of screw 1.

One side of the head part 18 is provided with a cross groove 6, the cross groove 6 is mainly used for facilitating insertion of a flat screwdriver and facilitating rotation of the screw 1 driven by the flat screwdriver, and the inner surface of the cross groove 6 is an arc-shaped surface.

Circular recess 2 has been seted up to one side of the inner wall of cross recess 6, four spacing grooves 3 have been seted up to the surface of circular recess 2, and the setting of circular recess 2 and spacing groove 3 is mainly the plum blossom bottle opener of being convenient for insert, and it is main to guarantee that different bottle openers also can drive screw 1 and rotate.

The outer surfaces of the arc part 17 and the head part 18 are arc surfaces, and the length of the balance part 15 is 0.8 cm-1.3 cm.

The thread 12 is arranged on the outer surfaces of the spigot part 13, the spigot part 11, the first trapezoidal part 14, the balance part 15, the second trapezoidal part 16, the arc part 17 and the head part 18 in a surrounding mode, and the screw 1 is embedded into the carrier in a better rotating mode through the arrangement of the thread 12.

The utility model provides a screw subassembly's theory of operation as follows:

when the screw 1 needs to be embedded into the carrier, the insert tip 13 is aligned with the carrier, and then a screwdriver with a head 18 adapted to the head 18 is inserted into the head 18 of the screw 1, the screw 1 is driven to rotate by rotating the head 18 of the screw 1, and at this time, the screw 1 can be embedded into the carrier by matching with the thread 12, because the thread 12 is arranged between the insert tip 13, the insert 11, the first trapezoidal portion 14, the balance portion 15, the second trapezoidal portion 16, the arc portion 17 and the outer surface of the head 18 in a surrounding manner, the whole screw 1 is embedded into the carrier in a better rotating manner by the arrangement of the thread 12.

when the screw 1 needs to be embedded into the carrier, the insert tip 13 is aligned with the carrier, then a screwdriver with a head 18 adapted to the head 18 is inserted into the head 18 of the screw 1, the screw 1 is driven to rotate by rotating the head 18 of the screw 1, and then the screw 1 can be embedded into the carrier by matching with the thread 12, because the thread 12 is arranged around the insert tip 13, the insert 11, the first trapezoidal portion 14, the balance portion 15, the second trapezoidal portion 16, the arc portion 17 and the outer surface of the head 18, the whole screw 1 is better embedded into the carrier by rotating through the arrangement of the thread 12, the head of the screw 1 is prevented from being exposed outside, the appearance of the screw is prevented from being affected, the hole punching on the carrier in advance is not needed, the operation efficiency is improved, and the aesthetic property and the integrity of the screw are improved, and can effectively avoid the screw 1 that exposes outside to cause some injuries and damages such as hand, clothes.

The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention are used in the specification and the attached drawings, or directly or indirectly applied to other related technical fields, and the same principle is included in the protection scope of the present invention.

Claims

1. A screw assembly, comprising:

the screw comprises an inserting part, one end of the inserting part is provided with an inserting tip part, and the other end of the inserting part is provided with a first trapezoid part;

a balance part disposed at the other side of the first trapezoid part;

a second trapezoidal portion disposed at the other side of the balancing portion;

an arc portion disposed on the other side of the second trapezoidal portion;

a head portion disposed at the other side of the arc portion;

thread teeth are arranged among the inserting tip part, the inserting part, the first trapezoidal part, the balance part, the second trapezoidal part, the arc part and the outer surface of the head part;

one side of the thread teeth is provided with a plurality of anti-falling blocks, one side of each anti-falling block is provided with three anti-falling grooves, one side of the head is provided with a cross groove, the inner surface of the cross groove is an arc-shaped surface, one side of the inner wall of the cross groove is provided with a circular groove, and the outer surface of the circular groove is provided with four limiting grooves.

2. The screw assembly of claim 1, wherein the arcuate portion and the outer surface of the head are both arcuate surfaces and the length of the counter portion is between 0.8 cm and 1.3 cm.

3. The screw assembly of claim 1, wherein said thread ridge is circumferentially disposed on an outer surface of said nose portion, said socket portion, said first trapezoidal portion, said balance portion, said second trapezoidal portion, said arc portion and said head portion.