CN212250756U

CN212250756U - Screw structure convenient to unscrew by hand

Info

Publication number: CN212250756U
Application number: CN202020785451.1U
Authority: CN
Inventors: 范晗
Original assignee: Shenzhen Langgu Precision Hardware Co ltd
Current assignee: Shenzhen Langgu Precision Hardware Co ltd
Priority date: 2020-05-13
Filing date: 2020-05-13
Publication date: 2020-12-29
Anticipated expiration: 2030-05-13

Abstract

The utility model discloses a be convenient for hand screw structure, including the screw rod main part, screw rod main part upper end is provided with the spiral shell head, a plurality of cell bodies have been seted up to spiral shell head front end equidistance, the fixed permanent magnet that is provided with in the inside bottom position of screw rod main part, the spout has all been seted up to the inside both sides position of screw rod main part, the inside position activity joint of screw rod main part is provided with the movable block, movable block both sides lower extreme position is provided with the slider, the fixed block that is provided with of the inside lower extreme central point of movable block, it is provided with a plurality of protrusion piece to extend the even. The utility model discloses the user pulls out the extension rod from the screw rod main part, is pulled out until the movable block to make the extension block remove to screw rod main part upper end position, then rotate extension rod to horizontal position through the movable rod, later can conveniently rotate the screw rod main part through the extension rod, need not the user and operate through other instruments, made things convenient for the installation of screw rod main part greatly fixed.

Description

Screw structure convenient to unscrew by hand

Technical Field

The utility model relates to a screw equipment field specifically is a be convenient for hand screw structure.

Background

The screw is a screw, which 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; screws are a common term for fasteners, a common spoken word.

The existing screw needs to be screwed up by rotating through auxiliary tools such as a wrench when being installed and used, so that a large number of auxiliary tools need to be carried, and the installation is inconvenient, so that the problem is solved urgently by a device.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a be convenient for hand screw structure to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a structure convenient for screwing screws comprises a screw rod main body, wherein a screw head is integrally formed at the upper end of the screw rod main body, a plurality of grooves are equidistantly formed at the front end of the screw head, a permanent magnet is fixedly embedded at the bottom position inside the screw rod main body, sliding grooves are respectively formed at the two side positions inside the screw rod main body, a movable block is movably clamped and arranged at the inner position inside the screw rod main body and can slide up and down along the inside of the screw rod main body, a sliding block is integrally formed at the lower end positions at the two sides of the movable block, a fixed block is fixedly embedded at the central position at the lower end inside the movable block, an extension block is integrally formed at the central position at the upper end of the movable block, a plurality of convex blocks are uniformly welded and fixedly arranged at the outer side end position of the extension block, every two adjacent extension, the movable rod rotates around a self central shaft, and an extension rod is fixedly sleeved at the central position of the movable rod.

Preferably, the screw body is hollow.

Preferably, the slider activity joint sets up in spout inside position, and the slider slides from top to bottom along the spout to prevent that the movable block from breaking away from the screw rod main part.

Preferably, the fixed block is a magnetic metal block.

Preferably, the position of the outer side end of the extension rod is provided with anti-skid lines in a surrounding mode, and the anti-skid lines are convenient for enhancing the friction force of the outer surface of the extension rod.

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

1. the utility model discloses the user pulls out the extension rod from the screw rod main part, until the movable block is pulled out, and make the extension block move to screw rod main part upper end position, then rotate the extension rod to horizontal position through the movable rod, later can conveniently rotate the screw rod main part through the extension rod, need not the user to operate through other instruments, greatly made things convenient for the installation of screw rod main part to fix;

2. the utility model discloses the installation is accomplished the back user and is rotated extension rod to vertical position, then moves the movable block downwards, removes to the inside position of screw rod main part until the extension rod, and last movable block lower extreme fixed block adsorbs to be fixed and makes the extension rod fixed in the permanent magnet upper end, prevents that the screw rod main part from breaking away from the roll-off when using.

Drawings

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

FIG. 2 is an expanded cross-sectional view of an extension rod of the present invention for facilitating the structure of a thumb screw;

FIG. 3 is a cross-sectional view of the extension rod of the screw structure convenient for screwing;

fig. 4 is a top view of the extension rod of the present invention, which is convenient for the structure of the thumb screw.

In the figure: 1. a screw body; 2. a screw head; 3. a movable block; 4. a protruding block; 5. a movable rod; 6. an extension block; 7. an extension rod; 8. a chute; 9. a slider; 10. a fixed block; 11. a permanent magnet; 12. a tank body.

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 screw structure convenient for manual screwing comprises a screw main body 1, wherein the screw main body 1 is hollow, a screw head 2 is integrally formed at the upper end of the screw main body 1, a plurality of grooves 12 are equidistantly formed at the front end of the screw head 2, permanent magnets 11 are embedded and fixed at the bottom end position in the screw main body 1, sliding grooves 8 are respectively formed at the two side end positions in the screw main body 1, a movable block 3 is movably clamped at the inner position of the screw main body 1, the movable block 3 slides up and down along the inner part of the screw main body 1, sliding blocks 9 are integrally formed at the lower end positions at the two sides of the movable block 3, the sliding blocks 9 are movably clamped at the inner positions of the sliding grooves 8, the sliding blocks 9 slide up and down along the sliding grooves 8 and prevent the movable block 3 from being separated from the screw main body 1, a fixed block 10 is embedded and fixed at the central position at the inner, the even welded fastening in 6 outside end positions of extension piece has a plurality of protrusion piece 4, and every two adjacent extension pieces 6 are a set of, and the position activity interlude has movable rod 5 between every extension piece of group 6, and movable rod 5 rotates around self center pin, and 5 central point of movable rod puts fixedly and has cup jointed extension rod 7, and extension rod 7 outside end position encircles there is anti-skidding line, and anti-skidding line is convenient for strengthen extension rod 7 external surface friction power.

The working principle is as follows: when the utility model is used, a user pulls the extension rod 7 out of the screw rod main body 1 until the movable block 3 is pulled out, and moves the extension block 6 to the upper end position of the screw rod main body 1, then the extension rod 7 is rotated to the horizontal position through the movable rod 5, then the screw rod main body 1 can be conveniently rotated through the extension rod 7 without the operation of other tools by a user, the installation and the fixation of the screw rod main body 1 are greatly facilitated, and the user rotates the extension rod 7 to the vertical position after the installation is finished, then move movable block 3 downwards, until extension rod 7 removes to 1 inside position of screw rod main part, 3 lower extreme fixed blocks 10 of movable block adsorb at last and fix and make extension rod 7 fixed at 11 upper ends of permanent magnet, prevent that screw rod main part 1 from breaking away from the roll-off when using extension rod 7, have simple structure, convenient to use, excellent in use effect's advantage.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that 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 be convenient for hand screw structure, includes screw rod main part (1), its characterized in that: the screw rod is characterized in that a screw head (2) is arranged at the upper end of a screw rod main body (1), a plurality of grooves (12) are formed in the front end of the screw head (2) at equal intervals, a permanent magnet (11) is fixedly arranged at the bottom end of the interior of the screw rod main body (1), sliding grooves (8) are formed in the two side end positions of the interior of the screw rod main body (1), movable blocks (3) are movably clamped in the interior of the screw rod main body (1), sliding blocks (9) are arranged at the lower end positions of the two sides of each movable block (3), fixed blocks (10) are fixedly arranged at the central positions of the lower end of the interior of the movable blocks (3), extending blocks (6) are arranged at the central positions of the upper end of the movable blocks (3), a plurality of protruding blocks (4) are uniformly and fixedly arranged at the outer end positions of the extending blocks (6), every, the center of the movable rod (5) is fixedly sleeved with an extension rod (7).

2. A structure for facilitating the screwing of screws according to claim 1, wherein: the screw main body (1) is hollow.

3. A structure for facilitating the screwing of screws according to claim 1, wherein: the slide block (9) is movably clamped and arranged at the inner position of the sliding chute (8).

4. A structure for facilitating the screwing of screws according to claim 1, wherein: the fixed block (10) is a magnetic metal block.

5. A structure for facilitating the screwing of screws according to claim 1, wherein: the outer side end position of the extension rod (7) is provided with anti-skid lines in a surrounding mode.