CN212318486U

CN212318486U - Double-fastening tooth self-tapping screw with plum blossom groove and disc head

Info

Publication number: CN212318486U
Application number: CN202020919694.XU
Authority: CN
Inventors: 王强
Original assignee: Jiaxing Chaoyi Precision Hardware Co ltd
Current assignee: Jiaxing Chaoyi Precision Hardware Co ltd
Priority date: 2020-05-27
Filing date: 2020-05-27
Publication date: 2021-01-08
Anticipated expiration: 2030-05-27

Abstract

The utility model discloses a two tight tooth self-tapping nails of deciding of plum blossom groove coiled hair, including main part mechanism, protection mechanism, rubber gasket, sealing mechanism, sealed piece and spring. The utility model has the advantages that: the one end of spring is fixed in the rubber gasket, the other end of spring is fixed in sealed piece, the sealed piece sliding connection of infundibulate in the rubber gasket, the screw has been rotated well on the metal sheet earlier, then drive the self-tapping nail with electric drill bit and get into the screw, when the rubber gasket contradicts the metal sheet, sealed piece supports the junction at self-tapping nail and metal sheet, the spring makes sealed piece support the junction of tight self-tapping nail and metal sheet, thereby prevent through sealed piece that steam from getting into in the screw of self-tapping nail and metal sheet, thereby further prevention steam gets into between nail pole and the metal sheet, reduce the production of the iron rust between self-tapping nail and the metal sheet, prevent that self-tapping nail and metal sheet from being connected by the iron rust, be favorable to the separation of self-tapping nail and metal sheet, be convenient for the dismantlement of self-tapping nail.

Description

Double-fastening tooth self-tapping screw with plum blossom groove and disc head

Technical Field

The utility model relates to a self-tapping screw specifically is a two tight self-tapping screws of deciding tooth of plum blossom groove pan head belongs to self-tapping screw technical field.

Background

Self-tapping screw, also known as self-tapping screw, is a threaded fastener that self-taps a mating female thread in a pre-drilled hole of a metal or non-metal material. Generally, the thread is self-tapping, so that the thread is self-tapping and does not need to be matched with a nut for use. The head of the screw has many classifications, with an outer hex head, a pan head, a countersunk head, and an inner hex head. Umbrella-headed, padded, etc. While the tail is generally pointed. To make the self-tapping function. Because the screw thread can be tapped or formed by itself, the combination has high anti-loosening capability and can be assembled and disassembled. It can be used to "tap, drill, extrude and press" the solidified body into corresponding screw threads on the solidified material by means of its self screw threads, so that they are mutually tightly matched.

However, when the self-tapping screw is used outdoors and the metal plate is fixed by the self-tapping screw, the metal plate is drilled by the self-tapping screw, so that the rust-proof layer on the surfaces of the metal plate and the self-tapping screw is damaged, the damaged parts of the metal plate and the self-tapping screw are easy to rust in outdoor wind, rain and rain, the lower part of the lower nail head of the self-tapping screw is connected with the metal plate under the action of rust, and the self-tapping screw is inconvenient to disassemble.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a two tight tooth self-tapping nails of deciding of plum blossom groove pan head in order to solve above-mentioned problem, further seal the junction of self-tapping nail and metal sheet, prevent the production of rust mark, be favorable to the separation of self-tapping nail and metal sheet.

The utility model realizes the above purpose by the following technical proposal, a double-fastening tooth self-tapping screw with a disc head of a plum blossom groove, which comprises a main body mechanism, wherein the main body mechanism is sleeved with a protection mechanism, the protection mechanism comprises a rubber gasket, and the rubber gasket is sleeved on the main body mechanism; protection mechanism installs sealing mechanism, sealing mechanism includes sealed piece and spring, the one end of spring is fixed in the rubber gasket, the other end of spring is fixed in sealed piece, infundibulate sealed piece sliding connection in the rubber gasket.

Preferably, in order to facilitate the fixing of the metal plate, the main body mechanism comprises a nail head and a nail rod, the rubber gasket is sleeved on the nail rod, and the nail head is fixed at the top end of the nail rod.

Preferably, in order to further protect the nail head, the protection mechanism further includes a metal gasket and a supporting block, the annular metal gasket is mounted on the rubber gasket, the supporting block is fixed at the bottom end of the nail head, and the supporting block is clamped on the metal gasket.

Preferably, in order to facilitate the sliding of the sealing block, the sealing mechanism further comprises a sliding rod, the sliding rod is fixed to the rubber gasket, the sliding rod is sleeved on the spring, and the T-shaped sliding rod is slidably connected to the sealing block.

Preferably, in order to further facilitate the fixing of the sealing block, the sliding rod and the spring are both provided with a plurality of springs, and the plurality of sliding rods and the springs are uniformly arranged on the rubber gasket.

Preferably, in order to further perform sealing, the sealing mechanism further comprises a sealing ring and a clamping block, the bottom end of the sealing ring is fixed to the bottom end of the rubber gasket, the distance between the sealing ring and the supporting block to the nail rod is the same, the clamping block is fixed to the top end of the rubber gasket, and the clamping block is clamped on the nail head.

The utility model has the advantages that: the one end of spring is fixed in the rubber gasket, the other end of spring is fixed in sealed piece, the sealed piece sliding connection of infundibulate in the rubber gasket, the screw has been rotated well on the metal sheet earlier, then drive the self-tapping nail with electric drill bit and get into the screw, when the rubber gasket contradicts the metal sheet, sealed piece supports the junction at self-tapping nail and metal sheet, the spring makes sealed piece support the junction of tight self-tapping nail and metal sheet, thereby prevent through sealed piece that steam from getting into in the screw of self-tapping nail and metal sheet, thereby further prevention steam gets into between nail pole and the metal sheet, reduce the production of the iron rust between self-tapping nail and the metal sheet, prevent that self-tapping nail and metal sheet from being connected by the iron rust, be favorable to the separation of self-tapping nail and metal sheet, be convenient for the dismantlement of self-tapping nail.

Drawings

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

FIG. 2 is a schematic view of the connection structure of the protection mechanism and the sealing mechanism shown in FIG. 1;

fig. 3 is an enlarged view of a portion a shown in fig. 2.

In the figure: 1. a main body mechanism; 11. a nail head; 12. a nail rod; 2. a protection mechanism; 21. a rubber gasket; 22. a metal gasket; 23. a support block; 3. a sealing mechanism; 31. a seal ring; 32. a sealing block; 33. a spring; 34. a slide bar; 35. and (7) clamping blocks.

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. 1-3, a quincuncial groove pan head double-fastening tooth self-tapping screw comprises a main body mechanism 1, wherein the main body mechanism 1 is sleeved with a protection mechanism 2, the protection mechanism 2 comprises a rubber gasket 21, and the rubber gasket 21 is sleeved on the main body mechanism 1; protection mechanism 2 installs sealing mechanism 3, sealing mechanism 3 is including sealed piece 32 and spring 33, the one end of spring 33 is fixed in rubber gasket 21, the other end of spring 33 is fixed in sealed piece 32, infundibulate sealed piece 32 sliding connection in rubber gasket 21.

As a technical optimization scheme of the utility model, main body mechanism 1 includes pin fin 11 and nail pole 12, rubber gasket 21 cup joint in nail pole 12, the top of nail pole 12 is fixed with pin fin 11.

As a technical optimization scheme of the utility model, protection machanism 2 still includes metal gasket 22 and supporting shoe 23, annular metal gasket 22 install in rubber gasket 21, the bottom mounting of pin fin 11 has supporting shoe 23, supporting shoe 23 block in metal gasket 22.

As a technical optimization scheme of the utility model, sealing mechanism 3 still includes slide bar 34, slide bar 34 is fixed in rubber gasket 21, slide bar 34 cup joint in spring 33, the T shape slide bar 34 sliding connection in sealed piece 32.

As a technical optimization scheme of the utility model, the slide bar 34 with spring 33 all is equipped with a plurality ofly, and is a plurality of slide bar 34 with spring 33 even set up in rubber gasket 21.

As a technical optimization scheme of the utility model, sealing mechanism 3 still includes sealing ring 31 and fixture block 35, the bottom mounting of sealing ring 31 is in the bottom of rubber gasket 21, sealing ring 31 with the supporting shoe 23 arrives the distance of nail pole 12 is the same, fixture block 35 is fixed in the top of rubber gasket 21, fixture block 35 block in pin fin 11.

When the utility model is used, firstly the screw hole is rotated on the metal plate, then the plum blossom groove at the top end of the drill bit of the electric drill bit is clamped with the nail head 11, then the drill bit is started, so that the nail rod 12 enters the screw hole, when one end of the rubber gasket 21 departing from the nail head 11 is abutted against the metal plate, so that the supporting block 23 at the bottom end of the nail head 11 is clamped with the metal gasket 22, the rubber gasket 21 is protected by the metal gasket 22 and the supporting block 23, the fastening of the self-tapping nail is facilitated by the rubber gasket 21, and the nail head 11 included in the main body mechanism 1 is prevented from damaging the metal plate, which is beneficial for protecting the metal plate, the damage of the rubber gasket 21 caused by the nail head 11 and the metal plate is prevented, the sealing block 32 is abutted against the joint of the nail rod 12 and the metal plate, the sealing block 32 is abutted by the spring 33, the sliding of the sliding rod 34 is convenient for the sealing block 32, thereby prevent through sealed piece 32 that steam from getting into in the screw of nail pole 12 and metal sheet, the fixture block 35 block pin fin 11 on the top of rubber gasket 21, the sealing ring 31 of the bottom of rubber gasket 21 supports the metal sheet, thereby further prevention steam gets into between nail pole 12 and the metal sheet, prevent the production of the iron rust between nail pole 12 and the metal sheet, prevent that self-tapping nail and metal sheet from being connected by the iron rust, be favorable to the separation of self-tapping nail and metal sheet, the dismantlement of the self-tapping nail of being convenient for.

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.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a two tight tooth self-tapping nails of deciding of plum blossom groove coiled head, includes main body mechanism (1), its characterized in that: the main body mechanism (1) is sleeved with a protection mechanism (2), the protection mechanism (2) comprises a rubber gasket (21), and the rubber gasket (21) is sleeved on the main body mechanism (1); sealing mechanism (3) are installed in protection mechanism (2), sealing mechanism (3) are including sealed piece (32) and spring (33), the one end of spring (33) is fixed in rubber gasket (21), the other end of spring (33) is fixed in sealed piece (32), infundibulate sealed piece (32) sliding connection in rubber gasket (21).

2. The double-fastening tooth self-tapping screw with the plum blossom groove and the disc head as claimed in claim 1, wherein: the main body mechanism (1) comprises a nail head (11) and a nail rod (12), the rubber gasket (21) is sleeved on the nail rod (12), and the nail head (11) is fixed at the top end of the nail rod (12).

3. The double-fastening tooth self-tapping screw with the plum blossom groove and the disc head as claimed in claim 2, wherein: the protection mechanism (2) further comprises a metal gasket (22) and a supporting block (23), the metal gasket (22) is installed on the rubber gasket (21) in an annular shape, the supporting block (23) is fixed at the bottom end of the nail head (11), and the supporting block (23) is clamped on the metal gasket (22).

4. The double-fastening tooth self-tapping screw with the plum blossom groove and the disc head as claimed in claim 1, wherein: the sealing mechanism (3) further comprises a sliding rod (34), the sliding rod (34) is fixed to the rubber gasket (21), the sliding rod (34) is sleeved on the spring (33), and the T-shaped sliding rod (34) is slidably connected to the sealing block (32).

5. The double-fastening tooth self-tapping screw with the plum blossom groove and the disc head as claimed in claim 4, wherein: the sliding rod (34) and the spring (33) are both provided with a plurality of springs, and the sliding rod (34) and the spring (33) are uniformly arranged on the rubber gasket (21).

6. The double-fastening tooth self-tapping screw with the plum blossom groove and the disc head as claimed in claim 3, wherein: the sealing mechanism (3) further comprises a sealing ring (31) and a clamping block (35), the bottom end of the sealing ring (31) is fixed to the bottom end of the rubber gasket (21), the distances from the sealing ring (31) to the nail rod (12) are the same with the distances from the supporting block (23) to the supporting block (23), the clamping block (35) is fixed to the top end of the rubber gasket (21), and the clamping block (35) is clamped to the nail head (11).