CN218624983U

CN218624983U - Long-life countersunk screw

Info

Publication number: CN218624983U
Application number: CN202222439521.XU
Authority: CN
Inventors: 叶燕燕
Original assignee: Tongxiang Zhanyu Electronic Technology Co ltd
Current assignee: Tongxiang Zhanyu Electronic Technology Co ltd
Priority date: 2022-09-15
Filing date: 2022-09-15
Publication date: 2023-03-14
Anticipated expiration: 2032-09-15

Abstract

The utility model discloses a long-life countersunk head screw, including the screw main part, still include the screw cap and twist actuating mechanism, screw main part top integrated into one piece has the screw cap, the inside twisting actuating mechanism that is provided with of screw cap, twist actuating mechanism includes slot, spacing groove, insert ring, stopper and interior hexagonal hole, the spacing groove has all been seted up to inside slot and the surperficial both sides of slot of seting up of screw cap, and the screw cap is inside can be dismantled and be connected with insert ring and insert the equal integrated into one piece in ring surperficial both sides and have the stopper that corresponds with the spacing groove position, and when using in the high corrosivity environment, can will insert the ring and take out after the completion of twisting, avoid it to be corroded, reinserted when needs, to frequently twist the screw that moves the subassembly through dismantling the change simultaneously, avoid leading to the problem that the screw can's wrong move because of wearing and tearing, improve screw life.

Description

Long-life countersunk screw

Technical Field

The utility model relates to a countersunk screw technical field, in particular to long-life countersunk screw.

Background

The countersunk head screw is also called as a countersunk head screw and is also called as a flat machine screw, the countersunk head screw is a common fastener, the head part of the screw head can protrude out of the upper part of the surface of an object to be connected, so that the surface is not flat, the countersunk head screw can sink to the lower part of the surface, so that the surface is flat, a counter bore needs to be drilled at the corresponding position of the counter head for a harder object, and in short, the counter head is the head part of the screw which is arranged, so that the surface can be kept flat.

Patent number is CN 202520741U's patent has announced a cross recess countersunk head screw, and the screw rod is equipped with circular heliciform thread, and each circular thread is equipped with the bayonet socket, more multiplicable packaging efficiency, and the lock nature is strong to improve practical function.

The existing countersunk head screw has the following disadvantages when in use: the existing countersunk head screw is of an integrated structure, the screwing part on the surface of the countersunk head screw and the screw cap are integrally formed, the screw cap is exposed in the daily use process, particularly when the countersunk head screw is used in some corrosive environments or under the condition that the screw is frequently screwed, a bayonet inside the screw cap is easily worn and further influences the normal screwing of the screw, and therefore the countersunk head screw with the long service life is provided.

SUMMERY OF THE UTILITY MODEL

A primary object of the utility model is to provide a long-life countersunk head screw through slot, spacing groove, insert the mechanism is moved in twisting that ring, stopper and interior hexagonal hole constitute, can realize that countersunk head screw twists and moves the quick ann of position and tear open, and then reduce it by overlooking of environment and avoid moving the wearing and tearing problem that leads to because of frequently twisting, can effectively solve the problem in the background art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a long-life countersunk screw, includes the screw main part, still includes the screw cap and twists the actuating mechanism, screw main part top integrated into one piece has the screw cap, the actuating mechanism is twisted to inside being provided with of screw cap, it includes slot, spacing groove, insert ring, stopper and interior hexagonal hole to twist the actuating mechanism, the inside slot and the slot surface both sides of having seted up of screw cap have all seted up the spacing groove, and the screw cap is inside can be dismantled and be connected with insert the ring and insert the equal integrated into one piece in ring surface both sides and have the stopper that corresponds with the spacing groove position.

The screw cap is characterized by further comprising a protection mechanism, the surface of the screw cap is detachably connected with the protection mechanism, the protection mechanism comprises an annular groove, a gasket and an annular rubber mat, the annular groove is formed in the surface of the screw cap, the gasket is inserted into the surface of the screw cap, and the annular rubber mat is integrally formed on one side, close to the screw cap, of the surface of the gasket; the surface of screw cap is located slot peripheral position and has seted up the ring channel, and the annular cushion on packing ring surface is corresponding with the ring channel position, can align the ring channel and insert with the annular cushion when needs, and then moves the position with the packing ring laminating twisting on screw cap surface, moves the position to twisting and plays the effect of shielding, isolated external environment, further protects screw cap surface and twists the position, reduces the corruption condition by external environment.

Furthermore, the insert ring corresponds to the position of the slot and is inserted into the slot, and the limiting block corresponds to the position of the limiting groove and is inserted into the limiting groove; the inserting ring corresponds to the slot and the limiting block corresponds to the limiting groove, so that the inserting ring can be accurately installed.

Furthermore, an inner hexagonal hole is formed in one side, away from the slot, of the inner part of the insert ring; the screw main body is convenient to screw through the hexagon socket hole.

Furthermore, the annular rubber gasket corresponds to the annular groove in position and is inserted into the annular groove; ensuring that the gasket can be accurately mounted in place.

Compared with the prior art, the utility model discloses following beneficial effect has: the bolt main body and the bolt cap are integrally formed, meanwhile, the joint is of a conical structure, the protrusion of the bolt cap after the bolt is installed is reduced, the surface of the bolt cap is provided with a slot and a limiting groove, an insert ring and a limiting block can be respectively aligned with the slot and the limiting groove and then inserted into the slot when the bolt is installed, the insert ring is arranged in the slot, the bolt main body can be driven to be screwed through the matching of the limiting groove and the limiting block when an inner hexagonal hole is screwed, the insert ring can be taken out after the insert ring is screwed in a high-corrosivity environment to avoid corrosion and reinsertion when needed, and meanwhile, for part of bolts needing to be frequently screwed, the problem that the bolts cannot be screwed due to abrasion is avoided through a detachable and replaceable screwing component, and the service life of the bolts is prolonged; the surface of screw cap is located slot peripheral position and has seted up the ring channel, and the annular cushion on packing ring surface is corresponding with the ring channel position, can align the ring channel and insert with the annular cushion when needs, and then moves the position with the packing ring laminating twisting on screw cap surface, moves the position to twisting and plays the effect of shielding, isolated external environment, further protects screw cap surface and twists the position, reduces the corruption condition by external environment.

Drawings

Fig. 1 is the overall structure schematic diagram of the long-life countersunk head screw of the utility model.

Fig. 2 is the utility model discloses a screw cap surface structure schematic diagram of long-life countersunk head screw.

Fig. 3 is a schematic view of the surface structure of the insert ring of the long-life countersunk head screw of the present invention.

In the figure: 1. a screw body; 2. a screw cap; 3. a screwing mechanism; 301. a slot; 302. a limiting groove; 303. inserting a ring; 304. a limiting block; 305. an inner hexagonal hole; 4. a protection mechanism; 401. an annular groove; 402. a gasket; 403. an annular rubber pad.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

As shown in fig. 1-3, a long-life countersunk head screw, including screw main part 1, still include screw cap 2 and

twist actuating mechanism

3, 1 top integrated into one piece of screw main part has

screw cap

2, 2 inside being provided with of screw cap twists actuating mechanism 3, twist actuating mechanism 3 and include slot 301, spacing groove 302, insert ring 303, stopper 304 and interior

hexagonal hole

305, 2 inside slots 301 and the slot 301 surface both sides of having seted up of screw cap have all seted up

spacing groove

302, and 2 inside dismantlements of screw cap are connected with insert ring 303 and insert the equal integrated into one piece in ring 303 surface both sides and have the stopper 304 that corresponds with spacing groove 302 position.

The screw cap protection device comprises a screw cap, a protection mechanism 4 and a screw rod, wherein the protection mechanism 4 is detachably connected to the surface of the screw cap 2, the protection mechanism 4 comprises an annular groove 401, a gasket 402 and an annular rubber gasket 403, the annular groove 401 is formed in the surface of the screw cap 2, the gasket 402 is inserted into the surface of the screw cap 2, and the annular rubber gasket 403 is integrally formed on one side, close to the screw cap 2, of the surface of the gasket 402; the surface of screw cap 2 is located slot 301 peripheral position and has seted up annular groove 401, and the annular cushion 403 on packing ring 402 surface is corresponding with annular groove 401 position, can align annular groove 401 with annular cushion 403 and insert when needing, and then moves the position with the packing ring 402 laminating twisting on screw cap 2 surface, moves the position to twisting and plays the shielding effect, isolated external environment, further protects screw cap 2 surface and twists the position, reduces by external environment's the corruption condition.

The insert ring 303 corresponds to the slot 301 and is inserted into the slot 301, the limit block 304 corresponds to the limit groove 302 and is inserted into the limit groove 302, and a hexagonal socket 305 is formed in one side of the insert ring 303, which is far away from the slot 301; the insert ring 303 corresponds to the slot 301 and the stopper 304 corresponds to the stopper groove 302, so that the insert ring 303 can be accurately mounted, and the screw body 1 can be conveniently screwed through the hexagon socket 305.

The annular rubber pad 403 corresponds to the annular groove 401 in position and is inserted into the annular groove 401; ensuring that the washer 402 can be accurately mounted in place.

It should be noted that, the utility model relates to a long-life countersunk head screw, during the use, the screw main part 1 is the toper structure with screw cap 2 integrated into one piece junction simultaneously, reduce the protrusion of screw cap 2 after the screw installation, slot 301 and spacing groove 302 have been seted up on screw cap 2 surface, can align insert ring 303 and stopper 304 with slot 301 and spacing groove 302 respectively and insert again when the screw installation, arrange insert ring 303 inside slot 301, through the cooperation of spacing groove 302 and stopper 304 when interior hexagonal hole 305 is twisted, can drive the twisting of screw main part 1 and move, when using in the high corrosivity environment, can take out insert ring 303 after the completion of twisting, avoid it to be corroded, reinserted when needing, to some screws that need frequently twisting, through the twisting subassembly of dismantling the change, avoid leading to the unable problem of twisting of screw because of wearing and tearing, improve screw life; the surface of screw cap 2 is located slot 301 peripheral position and has seted up annular groove 401, and the annular cushion 403 on packing ring 402 surface is corresponding with annular groove 401 position, can align annular groove 401 with annular cushion 403 and insert when needing, and then moves the position with the packing ring 402 laminating twisting on screw cap 2 surface, moves the position to twisting and plays the shielding effect, isolated external environment, further protects screw cap 2 surface and twists the position, reduces by external environment's the corruption condition.

The foregoing shows and describes the basic principles and principal features of the invention, together with the advantages thereof. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments, and the above embodiments and descriptions are only illustrative of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the present invention, and all such changes and modifications fall within the scope of the present invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a long-life countersunk head screw, includes screw main part (1), its characterized in that still includes screw cap (2) and twists actuating mechanism (3), screw main part (1) top integrated into one piece has screw cap (2), screw cap (2) inside is provided with twists actuating mechanism (3), twist actuating mechanism (3) including slot (301), spacing groove (302), insert ring (303), stopper (304) and interior hexagonal hole (305), inside slot (301) and the slot (301) surface both sides of having seted up of screw cap (2) have all seted up spacing groove (302), and screw cap (2) inside can be dismantled and be connected with insert ring (303) and insert the equal integrated into one piece in ring (303) surface both sides and have stopper (304) that correspond with spacing groove (302) position.

2. The long life countersunk screw of claim 1, wherein: still include protection machanism (4), screw cap (2) surface can be dismantled and is connected with protection machanism (4), protection machanism (4) are including ring channel (401), packing ring (402) and annular cushion (403), screw cap (2) surface has been seted up ring channel (401) and screw cap (2) surface is pegged graft and has been had packing ring (402), and packing ring (402) surface is close to screw cap (2) one side integrated into one piece has annular cushion (403).

3. The long life countersunk head screw of claim 1, wherein: the insert ring (303) corresponds to the position of the slot (301) and is inserted into the slot (301), and the limit block (304) corresponds to the position of the limit groove (302) and is inserted into the limit groove (302).

4. The long life countersunk screw of claim 1, wherein: and one side of the inside of the insert ring (303) far away from the slot (301) is provided with an inner hexagonal hole (305).

5. The long life countersunk screw of claim 2, wherein: the annular rubber pad (403) corresponds to the annular groove (401) in position and is inserted into the annular groove (401).