CN217539262U

CN217539262U - Washer combined screw

Info

Publication number: CN217539262U
Application number: CN202123312719.3U
Authority: CN
Inventors: 青天范
Original assignee: Xi'an Ruifeng Aviation Standard Parts Co ltd
Current assignee: Xi'an Ruifeng Aviation Standard Parts Co ltd
Priority date: 2021-12-27
Filing date: 2021-12-27
Publication date: 2022-10-04
Anticipated expiration: 2031-12-27

Abstract

The utility model discloses a packing ring combination screw, including the threaded rod, the top of threaded rod is provided with the screw head, the surface thread cover of screw head is equipped with anti-corrosion mechanism, the bottom welding of screw head has the ring body, the top on screw rod surface is movable sleeve respectively and is equipped with spring shim and check washer, the surface thread cover of threaded rod is equipped with the nut, the bottom welding of nut has the fastener, the bottom welding of threaded rod has the connecting piece, the bottom welding of connecting piece has the iron plate, anti-corrosion mechanism includes the helmet. The utility model discloses possess locking advantage, solved the packing ring combination screw at the in-process that uses, be not convenient for prevent that the screw from receiving external influence not hard up, cause the screw to break away from the nut easily, reduced the fastening effect of screw, be not convenient for protect the cross recess at screw top, cause the cross recess to rust easily, influence the problem that the screw was dismantled fast.

Description

Washer combined screw

Technical Field

The utility model relates to a combination screw technical field specifically is a packing ring combination screw.

Background

The screw is a tool for fastening machine parts of the device step by utilizing the physics and mathematical principles of the inclined plane circular rotation and the friction force of the object, the screw is rare in daily life and in industrial production and manufacture, the screw is also called industrial meter, the application range of the screw is wide, the screw is applied to electronic products, mechanical products, digital products, electric power equipment, electromechanical products, ships, vehicles, hydraulic engineering and even chemical experiments, the screw is also used, the combined screw is a combined piece formed by combining and fastening one screw with one elastic pad and one flat pad through thread rolling, and the two combined screws are combined and fastened together by combining one screw with only one elastic pad or only one flat pad.

The in-process that the packing ring combination screw was used, it is not convenient for prevent that the screw from receiving external influence not hard up, causes the screw to break away from the nut easily, has reduced the fastening effect of screw, is not convenient for protect the cross recess at screw top, causes the cross recess easily to rust, influences the quick dismantlement of screw.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a packing ring combination screw possesses locking advantage, has solved packing ring combination screw at the in-process that uses, is not convenient for prevent that the screw from receiving external influence not hard up, causes the screw to break away from the nut easily, has reduced the fastening effect of screw, is not convenient for protect the cross recess at screw top, causes the cross recess to rust easily, influences the problem that the screw was dismantled fast.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a packing ring combination screw, includes the threaded rod, the top of threaded rod is provided with the screw head, the surface thread cover of screw head is equipped with anti-corrosion mechanism, the bottom welding of screw head has the ring body, the top on screw rod surface is movable sleeve respectively and is equipped with spring shim and check washer, the surface thread cover of threaded rod is equipped with the nut, the bottom welding of nut has the fastener, the bottom welding of threaded rod has the connecting piece, the bottom welding of connecting piece has the iron bar, anti-corrosion mechanism includes the helmet, the outer fixed cover of helmet is equipped with the swivel, the bottom swing joint of helmet has the antiskid ribbed tile, the bottom of antiskid ribbed tile and the top fixed connection of ring body.

Preferably, the top of the screw head is provided with a cross groove, and the outer surface of the screw head is provided with external thread teeth.

Preferably, the top of the spring gasket is movably connected with the bottom of the ring body, and an inner thread groove is formed in the inner wall of the protective cap.

Preferably, one end of the iron bar, which is far away from the connecting piece, penetrates through the clamping piece and extends to the left side of the clamping piece, and the anti-slip piece is made of rubber.

Preferably, the outer surface of the swivel is provided with a plurality of anti-slip grooves.

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

1. the utility model discloses an ironbar, fastener, connecting piece, spring shim, screw head, external screw thread tooth, helmet, anti-skidding groove, change, antiskid piece and internal thread groove's cooperation is used, has solved the in-process that packing ring combination screw was using, and it is not convenient for prevent that the screw from receiving external influence not hard up to cause the screw to break away from the nut easily, has reduced the fastening effect of screw, is not convenient for protect the cross recess at screw top, causes the cross recess easily to rust, influences the problem that the screw was dismantled fast.

2. The utility model discloses a set up the cross recess, can the person of facilitating the use pass through the rotatory screw head of instrument, use through the cooperation of external screw thread tooth and internal thread groove, can be convenient for fix the surface at the screw head to anticorrosion mechanism, through setting up the helmet, can be convenient for prevent that the cross recess from receiving the corruption of liquid, use through the cooperation of antiskid groove and change, can the person of facilitating the use rotatory helmet, through setting up the antiskid piece, can be convenient for prevent that the bottom of anticorrosion mechanism from sliding and causing it to drop.

Drawings

FIG. 1 is an isometric view of the present invention;

fig. 2 is a bottom view of the present invention;

FIG. 3 is an exploded view of the present invention;

FIG. 4 is an exploded view of the corrosion protection mechanism of the present invention;

fig. 5 is a bottom view of the protective cap of the present invention.

In the figure: the anti-corrosion device comprises a threaded rod 1, a locking gasket 2, a ring body 3, an anti-corrosion mechanism 4, a nut 5, an iron bar 6, a clamping piece 7, a connecting piece 8, a spring gasket 9, a screw head 10, a cross groove 11, an external thread tooth 12, a protective cap 13, an anti-skidding groove 14, a swivel 15, an anti-skidding piece 16 and an internal thread groove 17.

Detailed Description

Referring to fig. 1-5, a washer combination screw includes a threaded rod 1, a screw head 10 is disposed on the top of the threaded rod 1, a cross slot 11 is disposed on the top of the screw head 10, the screw head 10 can be rotated by a tool conveniently by a user by disposing the cross slot 11, external thread teeth 12 are disposed on the outer surface of the screw head 10, an anti-corrosion mechanism 4 is threadedly sleeved on the outer surface of the screw head 10, a ring body 3 is welded on the bottom of the screw head 10, a spring washer 9 and a lock washer 2 are movably sleeved on the top of the surface of the threaded rod 1 respectively, the top of the spring washer 9 is movably connected with the bottom of the ring body 3, the lock washer 9 is disposed to support the lock washer 2 and the ring body 3 to prevent the screw from loosening, the lock washer 2 is disposed to increase the contact area between the screw head 10 and a mounting member, and a nut 5 is threadedly sleeved on the outer surface of the threaded rod 1, the bottom of the nut 5 is welded with a clamping piece 7, the bottom of the threaded rod 1 is welded with a connecting piece 8, the bottom of the connecting piece 8 is welded with an iron bar 6, the iron bar 6 and the nut 5 can be conveniently connected by arranging the clamping piece 7, the iron bar 6 can be conveniently connected by arranging the connecting piece 8, the threaded rod 1 can be conveniently prevented from rotating and loosening by arranging the iron bar 6, the anti-corrosion mechanism 4 comprises a protective cap 13, the inner wall of the protective cap 13 is provided with an inner thread groove 17, the anti-corrosion mechanism 4 can be conveniently fixed on the outer surface of the screw head 10 by matching the outer thread teeth 12 and the inner thread groove 17, the protective cap 13 can be conveniently prevented from being corroded by liquid, the outer surface of the protective cap 13 is fixedly sleeved with a rotating ring 15, the outer surface of the rotating ring 15 is provided with anti-skid grooves 14, and the number of the anti-skid grooves 14 is a plurality, through the cooperation use of anti-skidding groove 14 and swivel 15, can rotatory helmet 13 of convenient to use person, the bottom swing joint of helmet 13 has antiskid sheets 16, antiskid sheets 16's material is rubber, through setting up antiskid sheets 16, can be convenient for prevent that the bottom of anticorrosion mechanism 4 from sliding and causing it to drop, antiskid sheets 16's bottom and ring body 3's top fixed connection, fastener 7 is run through and extends to the left side of fastener 7 to the one end that connecting piece 8 was kept away from to iron bar 6.

During the use, insert threaded rod 1 in the installed part, fix the installed part to the surface of nut 5 screw in threaded rod 1, spring shim 9 supports ring body 3 and locking shim 2 and prevents that threaded rod 1 is not hard up, locking shim 2 increases the area of contact of screw head 10 and installed part, and prevent screw head 10 and the rotation of threaded rod 1, after the fixed completion, through external thread tooth 12 and internal thread groove 17 the surface of helmet 13 screw in to screw head 10, helmet 13 prevents the inside entering liquid of cross slot 11, lead to the inside corruption that receives of cross slot 11, antiskid ribbed tile 16 prevents that the bottom of helmet 13 from rotating, pass fastener 7 to ironbar 6 through the instrument, and stimulate ironbar 6 downwards, autorotation when ironbar 6 prevents that threaded rod 1 from receiving outside influence, when needs are dismantled the screw, through swivel 15 rotatory helmet 13, the surface of helmet 13 screw head 10 is screwed out to helmet 13, in pulling fastener 7 out to ironbar 6, dismantle the screw.

In summary, the following steps: this packing ring combination screw, through ironbar 6, fastener 7, connecting piece 8, spring washer 9, screw head 10, external thread tooth 12, helmet 13, antiskid groove 14, swivel 15, antiskid piece 16 and internal thread groove 17's cooperation is used, the in-process of packing ring combination screw in using has been solved, it is not convenient for prevent that the screw from receiving external influence not hard up, cause the screw to break away from the nut easily, the fastening effect of screw has been reduced, be not convenient for protect the cross recess at screw top, cause the cross recess to rust easily, influence the problem of quick dismantlement of screw.

Claims

1. A washer-assembled screw comprising a threaded rod (1), characterized in that: the top of threaded rod (1) is provided with screw head (10), the surface thread cover of screw head (10) is equipped with anti-corrosion mechanism (4), the bottom welding of screw head (10) has ring body (3), the top on threaded rod (1) surface is movable sleeve respectively and is equipped with spring shim (9) and check washer (2), the surface thread cover of threaded rod (1) is equipped with nut (5), the bottom welding of nut (5) has fastener (7), the bottom welding of threaded rod (1) has connecting piece (8), the bottom welding of connecting piece (8) has iron bar (6), anti-corrosion mechanism (4) are including helmet (13), the surface fixed cover of helmet (13) is equipped with swivel (15), the bottom swing joint of helmet (13) has anti-skidding piece (16), the bottom of anti-skidding piece (16) and the top fixed connection of ring body (3).

2. The washer-assembled screw as claimed in claim 1, wherein: the top of the screw head (10) is provided with a cross groove (11), and the outer surface of the screw head (10) is provided with external thread teeth (12).

3. The washer-assembled screw as claimed in claim 1, wherein: the top of the spring gasket (9) is movably connected with the bottom of the ring body (3), and an inner thread groove (17) is formed in the inner wall of the protective cap (13).

4. The washer-assembled screw as claimed in claim 1, wherein: one end, far away from the connecting piece (8), of the iron bar (6) penetrates through the clamping piece (7) and extends to the left side of the clamping piece (7), and the anti-skid sheet (16) is made of rubber.

5. The washer-assembled screw as claimed in claim 1, wherein: the outer surface of the swivel (15) is provided with anti-skidding grooves (14), and the number of the anti-skidding grooves (14) is a plurality.