CN210859492U

CN210859492U - Screw assembly

Info

Publication number: CN210859492U
Application number: CN201921848861.XU
Authority: CN
Inventors: 邵丽丹
Original assignee: Individual
Current assignee: Liaoning Xinfa Electronic Machinery Co ltd
Priority date: 2019-10-31
Filing date: 2019-10-31
Publication date: 2020-06-26
Anticipated expiration: 2029-10-31

Abstract

The utility model discloses a screw assembly relates to screw assembly technical field, including the nut, the bottom of nut is connected with the screw rod, and the outside of screw rod is connected with first stop collar, one side of first stop collar is provided with the second stop collar, the intermediate position department of first stop collar and second stop collar sets up threaded hole. The utility model discloses the first stop collar that sets up, the second stop collar, the briquetting, the fixture block, when staff's application screw, the bottom at the screw rod is put to first stop collar of application and second stop collar, screw hole in the first stop collar of process of twisting the screw and second stop collar can be along with the twist-in of screw, the stop collar rises, when the stop collar rises to the bottom of nut, the nut is pushed down in the briquetting can, make first stop collar and second stop collar separately, the application stop collar makes the screw obtain spacingly at the in-process of twisting, do not need artifical hand holding screw, reduce because of the screw does not have spacing influence of entering the straightness that hangs down to the screw.

Description

Screw assembly

Technical Field

The utility model relates to a screw assembly technical field specifically is a screw assembly.

Background

The Screw refers to a Screw (foreign name: Screw) and is a tool for fastening the parts of an object step by utilizing the physics and mathematical principle of the inclined plane circular rotation and friction of the object, and the Screw is a general term of a fastener and a daily oral language.

Tapping screw is a common screw for fixing, the place ahead head of this kind of screw is equipped with the screw thread that can be automatic, utilize the screwdriver instrument of cross head can conveniently attack in plastics or iron, realize more firm connection, usually when using tapping screw, need artifical screwdriver or drill bit with screw to screw in wood or iron material, difficult location when installing tapping screw on hard material with the screwdriver in actual operation, need hand-held screw if the screw produces the skew screwdriver easily roll off wounded the hand, the screw of beating is difficult to the control straightness that hangs down in addition.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: in order to solve the problem that the screw used in the prior art is not provided with a device for limiting the screw, a screw assembly is provided.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a screw assembly, includes the nut, the bottom of nut is connected with the screw rod, and the outside of screw rod is connected with first stop collar, one side of first stop collar is provided with the second stop collar, the intermediate position department of first stop collar and second stop collar sets up threaded hole, and one side of first stop collar is provided with first pivot, one side at the top of first stop collar is provided with the briquetting, and the both sides of briquetting are connected with the push rod, one side of push rod is connected with the spring, and the bottom of push rod is connected with the fixture block, the bottom of fixture block is connected with the slider, and the outside of slider is provided with the spout, one side of second stop collar is connected with the connecting block.

Preferably, the threaded hole is matched with the screw rod, and the first limiting sleeve and the second limiting sleeve are connected through the first rotating shaft.

Preferably, the two sides of the bottom of the pressing block are connected with a second rotating shaft, and the pressing block is rotatably connected with the push rod through the second rotating shaft.

Preferably, the number of the push rods is two, and the two push rods are connected through a spring.

Preferably, the number of the sliding blocks is two, and the two groups of the sliding blocks are matched with the sliding grooves.

Preferably, the number of the clamping blocks is two, the two groups of clamping blocks are matched with the connecting block, and the two groups of clamping blocks are clamped and connected with the connecting block.

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

1. the utility model discloses a first stop collar that sets up, the second stop collar, the briquetting, the fixture block, when staff's application screw, the bottom at the screw rod is put to first stop collar of application and second stop collar, screw hole in the first stop collar of process of twisting the screw and second stop collar can be along with the wrong income of screw, the stop collar rises, when the stop collar rises to the bottom of nut, the nut is pushed down in the briquetting can, make first stop collar and second stop collar separately, the application stop collar makes the screw obtain spacingly at the in-process of twisting, do not need artifical hand holding the screw, reduce because of the screw does not have spacing influence to the screw entry straightness that hangs down, the quality of screw twist is improved.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is an exploded view of the structure of the stop collar of the present invention;

fig. 3 is a sectional view of the first stop collar of the present invention;

fig. 4 is an enlarged view of the structure at a of the present invention.

In the figure: 1. a nut; 2. a screw; 3. a first stop collar; 4. a second stop collar; 5. a first rotating shaft; 6. briquetting; 7. a threaded hole; 8. a spring; 9. a push rod; 10. a clamping block; 11. connecting blocks; 12. a chute; 13. a slider; 14. a second rotating shaft.

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, a screw assembly includes a screw cap 1, a screw rod 2 is connected to the bottom of the screw cap 1, a first position-limiting sleeve 3 is connected to the outer side of the screw rod 2, a second position-limiting sleeve 4 is arranged on one side of the first position-limiting sleeve 3, a threaded hole 7 is formed in the middle position of the first position-limiting sleeve 3 and the second position-limiting sleeve 4, a first rotating shaft 5 is arranged on one side of the first position-limiting sleeve 3, a pressing block 6 is arranged on one side of the top of the first position-limiting sleeve 3, push rods 9 are connected to two sides of the pressing block 6, a spring 8 is connected to one side of the push rods 9, a clamping block 10 is connected to the bottom of the push rods 9, a sliding block 13 is connected to the bottom of the clamping block 10, a sliding groove 12.

This device is through the first stop collar 3, second stop collar 4, briquetting 6, the fixture block 10 that sets up, when staff's application screw, and the application is first stop collar 3 and second stop collar 4 makes the screw obtain spacingly at the in-process of twisting, does not need the manual hand to hold the screw, reduces because of the screw does not have spacing to the screw and gets into the influence of straightness that hangs down, has improved the quality that the screw was twisted.

Please refer to fig. 1, the threaded hole 7 is matched with the screw rod 2, the first position-limiting sleeve 3 and the second position-limiting sleeve 4 are connected through the first rotating shaft 5, and when the first position-limiting sleeve 3 and the second position-limiting sleeve 4 are closed, the threaded hole 7 can be matched with the screw rod 2.

Please refer to fig. 4, two sides of the bottom of the pressing block 6 are connected to the second rotating shaft 14, and the pressing block 6 is rotatably connected to the push rod 9 through the second rotating shaft 14, so that the two sets of clamping blocks 10 can move by using the push rod 9.

Please refer to fig. 4, the number of the push rods 9 is two, and the two push rods 9 are connected by the spring 8, when the first and second position-

limiting sleeves

3 and 4 are closed, the spring 8 is in a reset state.

Please refer to fig. 4, the number of the sliding blocks 13 is two, and the two sliding blocks 13 are matched with the sliding slot 12, and the sliding blocks 13 slide on the inner wall of the sliding slot 12.

Please refer to fig. 2, the number of the locking blocks 10 is two, and the two locking blocks 10 are matched with the connecting block 11, the two locking blocks 10 are locked and connected with the connecting block 11, when the two locking blocks 10 are closed, the connecting block 11 is limited in the two locking blocks 10.

The working principle is as follows: when a worker wants to use the screw, the first limiting sleeve 3 and the second limiting sleeve 4 are firstly opened and placed on the outer side of the bottom of the screw 2, the pressing block 6 is pressed down, the first limiting sleeve 3 and the second limiting sleeve 4 are closed, the connecting block 11 is located at the middle position of the two groups of clamping blocks 10, the pressing block 6 is loosened, under the action of the spring 8, the two groups of clamping blocks 10 clamp the connecting block 11, the first limiting sleeve 3 and the second limiting sleeve 4 are fixed on the outer side of the screw 2, the screw is screwed in by using a screwdriver or a drill bit, in the process of screwing in the screw downwards, the first limiting sleeve 3 and the second limiting sleeve 4 ascend along with the rotation of the screw 2, when the connecting block 1 ascends to the bottom of the screw cap 1, the screw cap 1 presses the pressing block 6 downwards, the pressing block 6 drives the two groups of push rods 9 to move through the second rotating shaft 14, the push rods 9 drive the sliding blocks 13 connected with the clamping blocks 10 to slide in the sliding grooves 12, so that the first stop collar 3 and the second stop collar 4 are separated, and then the first stop collar 3 and the second stop collar 4 are taken away from the outer side of the screw rod 2.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. A screw assembly comprising a nut (1), characterized in that: the bottom of the screw cap (1) is connected with a screw rod (2), the outer side of the screw rod (2) is connected with a first limiting sleeve (3), a second limiting sleeve (4) is arranged on one side of the first limiting sleeve (3), a threaded hole (7) is formed in the middle position of the first limiting sleeve (3) and the second limiting sleeve (4), a first rotating shaft (5) is arranged at one side of the first limiting sleeve (3), a pressing block (6) is arranged at one side of the top of the first limiting sleeve (3), and both sides of the pressing block (6) are connected with push rods (9), one side of each push rod (9) is connected with a spring (8), the bottom of the push rod (9) is connected with a clamping block (10), the bottom of the clamping block (10) is connected with a sliding block (13), and a sliding groove (12) is arranged on the outer side of the sliding block (13), and one side of the second limiting sleeve (4) is connected with a connecting block (11).

2. The screw assembly of claim 1, wherein: the threaded hole (7) is matched with the screw rod (2), and the first limiting sleeve (3) is connected with the second limiting sleeve (4) through the first rotating shaft (5).

3. The screw assembly of claim 1, wherein: two sides of the bottom of the pressing block (6) are connected with a second rotating shaft (14), and the pressing block (6) is rotatably connected with the push rod (9) through the second rotating shaft (14).

4. The screw assembly of claim 1, wherein: the number of the push rods (9) is two, and the two groups of push rods (9) are connected through springs (8).

5. The screw assembly of claim 1, wherein: the number of the sliding blocks (13) is two, and the two groups of the sliding blocks (13) are matched with the sliding grooves (12).

6. The screw assembly of claim 1, wherein: the number of the fixture blocks (10) is two, the fixture blocks (10) are matched with the connecting block (11), and the fixture blocks (10) are connected with the connecting block (11) in a clamping mode.