CN211525292U - Screw with good sealing performance - Google Patents
Screw with good sealing performance Download PDFInfo
- Publication number
- CN211525292U CN211525292U CN201922467575.5U CN201922467575U CN211525292U CN 211525292 U CN211525292 U CN 211525292U CN 201922467575 U CN201922467575 U CN 201922467575U CN 211525292 U CN211525292 U CN 211525292U
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- China
- Prior art keywords
- head
- rod
- screw
- sealing washer
- sealing performance
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Bolts, Nuts, And Washers (AREA)
Abstract
The utility model provides a screw that leakproofness is good belongs to hardware technical field, including the head and the body of rod that links to each other with the head, be provided with sealed chamber with body of rod junction in the head, be provided with the head sealing washer in the sealed intracavity, the body of rod top is provided with the seal groove, be provided with body of rod sealing washer on the seal groove, body of rod sealing washer upper end links to each other with the head sealing washer, big-end-down axial cross section is inverted trapezoid on this body of rod sealing washer, this body of rod sealing washer surface is provided with the same and screw thread that links up of body of rod surface, head outside cover is equipped with the buckler, the buckler is including wrapping up in the sleeve in the head outside and the inversion bowl form structure that is located the head bottom, sleeve central point puts and is provided with the through-hole. The utility model has the advantages of simple structure, simple structure and good sealing performance, and has the advantages of three-layer waterproof protection.
Description
Technical Field
The utility model belongs to the technical field of the hardware, especially, relate to a screw that leakproofness is good.
Background
The screw is also a screw, and is a tool for fastening machine parts of an object step by utilizing the physics and mathematical principles of the inclined circular rotation and friction of the object.
However, the whole existing screw is made of metal, the screw is structurally used strongly and frequently in vibration, looseness can be caused, gaps are formed between the metal and the surface of the fixing piece, the screw is easy to rust in a damp or wading environment, the service life of the screw is shortened, and the fixing piece is even damaged.
Disclosure of Invention
The to-be-solved problem of the utility model is to provide a simple structure, screw that the leakproofness is good.
In order to solve the technical problem, the utility model discloses a technical scheme is: the utility model provides a screw that leakproofness is good, includes the head and the body of rod that links to each other with the head, be provided with sealed chamber with body of rod junction in the head, be provided with head seal circle in the sealed chamber, the body of rod top is provided with the seal groove, be provided with body of rod sealing washer on the seal groove, body of rod sealing washer upper end links to each other with head seal circle, and big-end-down axial cross-section is trapezoidal for falling on this body of rod sealing washer, and this body of rod sealing washer surface is provided with the same and coherent screw thread of body of rod surface, head outside cover is equipped with the buckler, the buckler is including wrapping up in the sleeve in the head outside and the inversion bowl form structure that is located the head bottom, sleeve central point puts and is provided with the through-hole, sleeve outside cover is equipped.
The head sealing ring and the rod body sealing ring are of an integrally formed structure.
The waterproof cover is of an integrally formed structure.
The waterproof cap is of an integrally formed structure.
The mounting groove is in a straight line shape.
The waterproof cap and the waterproof cover are connected through a connecting strip.
The waterproof cap and the waterproof cover are made of transparent rubber materials.
The head sealing ring and the rod body sealing ring are made of rubber materials.
By adopting the technical scheme, the utility model has the advantages that the whole structure is simple, three layers of waterproof protection are provided, the first layer is adopted, when the screw is screwed into the fixing part, the screw can be screwed in due to the fact that the screw thread which is identical to and coherent with the surface of the screw is arranged on the rod body sealing ring at the top end of the screw, the axial cross section of the screw is inverted trapezoid, the surface sealing performance is improved, and after the screw is screwed in integrally, the head part of the screw is completely sealed with the connecting part of the fixing part by the head sealing ring and the rod body sealing ring; the second layer is characterized in that after the screw is screwed in, the bowl-shaped structure is buckled and absorbed on the surface of the fixing piece to form a waterproof sealing barrier, and a waterproof cover formed by the bowl-shaped structure and the sleeve is of an integrally formed structure, so that no connecting gap exists, and the sealing performance is strong; the third layer, sleeve outside cover is equipped with the waterproof cap rather than the adaptation, waterproof cap top is inwards sunken to pass in the mounting groove that the through-hole stretched into the head, laminate the parcel completely with the screw head, waterproof cap need not pull down under the environment of wading, during the screw in screw, the screwdriver inserts in the waterproof cap of head mounting groove, not only avoid screw head and water to contact to some extent, but also increased the parcel nature and the frictional force of screwdriver, be difficult for smooth silk, when improving sealed, protection screwdriver bit and mounting groove are not worn and torn, waterproof cap still can be changed as required according to the circumstances.
The utility model has the advantages that: has the advantages of simple structure and good sealing performance.
Drawings
The advantages and mode of realisation of the invention will become more apparent hereinafter by describing in detail the invention with reference to the attached drawings, wherein the content shown in the drawings is only for explaining the invention, without constituting any limitation to the meaning of the invention, in which:
FIG. 1 is a schematic view of the structure of the present invention
In the figure:
1. head 2, rod body 3 and head sealing ring
4. Rod body sealing ring 5, sleeve 6 and bowl-shaped structure
7. Through hole 8, waterproof cap 9, mounting groove
10. Connecting strip
Detailed Description
As shown in figure 1, the screw with good sealing performance of the utility model comprises a head part 1 and a rod body 2 connected with the head part 1, a sealing cavity is arranged at the joint of the head part 1 and the rod body 2, a head sealing ring 3 is arranged in the sealing cavity, the top end of the rod body 2 is provided with a sealing groove, a rod body sealing ring 4 is arranged on the sealing groove, the upper end of the rod body sealing ring 4 is connected with the head sealing ring 3, the axial section of the rod body sealing ring 4 with large upper part and small lower part is inverted trapezoid, the surface of the rod body sealing ring 4 is provided with screw threads which are identical and coherent with the surface of the rod body, the outer side of the head part 1 is sleeved with a waterproof cover, the waterproof cover comprises a sleeve 5 wrapping the outer side of the head part and an inverted bowl-shaped structure 6 positioned at the bottom of the head part 1, a through hole 7 is arranged, head sealing washer 3 is the integrated into one piece structure with body of rod sealing washer 4, and the buckler is the integrated into one piece structure, and buckler 8 is the integrated into one piece structure, and mounting groove 9 is a font, and buckler 8 and buckler pass through connecting strip 10 and link to each other, and buckler 8 and buckler are the transparent rubber material, and head sealing washer 3 and body of rod sealing washer 4 are the rubber material.
The utility model has simple integral structure, three layers of waterproof protection, a first layer, when the screw is screwed into the fixing part, the rod body sealing ring 4 at the top end of the screw rod 2 can be screwed in along with the screw because the screw thread which is the same as and coherent with the surface of the screw rod 2 is arranged on the rod body sealing ring 4, and the axial cross section of the rod body sealing ring 4 with large upper part and small lower part is inverted trapezoid, thereby improving the surface sealing property, after the screw is screwed in integrally, the head sealing ring 3 and the rod body sealing ring 4 completely seal the joint of the screw head 1 and the; in the second layer, after the screw is screwed in, the bowl-shaped structure 6 is buckled and absorbed on the surface of the fixing part to form a waterproof sealing barrier, and the waterproof cover formed by the bowl-shaped structure 6 and the sleeve 5 is an integrally formed structure, so that no connecting gap exists, and the sealing performance is strong; the third layer, sleeve 5 outside cover is equipped with waterproof cap 8 rather than the adaptation, waterproof cap 8 top is inwards sunken to pass in through-hole 7 stretches into head 1's mounting groove 9, laminate the parcel completely with screw head 1, waterproof cap 8 need not pull down under the environment of wading, during the screw in screw, the screwdriver inserts in the waterproof cap 8 in head mounting groove 9, not only avoid screw head 1 and water to contact to some extent, but also increased the parcel nature and the frictional force of screwdriver, difficult smooth silk, when improving sealedly, protection screwdriver bit and mounting groove 9 are not worn and torn.
The embodiments of the present invention have been described in detail, but the description is only for the preferred embodiments of the present invention and should not be construed as limiting the scope of the present invention. All equivalent changes and modifications made within the scope of the present invention should be covered by the present patent.
Claims (8)
1. The utility model provides a screw that leakproofness is good which characterized in that: including the head and the body of rod that links to each other with the head, be provided with sealed chamber with body of rod junction in the head, be provided with the head sealing washer in the sealed chamber, body of rod top is provided with the seal groove, be provided with the body of rod sealing washer on the seal groove, body of rod sealing washer upper end links to each other with the head sealing washer, and big end down's axial cross-section is down trapezoidal on this body of rod sealing washer, and this body of rod sealing washer surface is provided with the same and screw thread that links up of body of rod surface, head outside cover is equipped with the buckler, the buckler is including wrapping up in the sleeve in the head outside and the inversion bowl form structure that is located the head bottom, sleeve central point puts and is provided with the through-hole, sleeve outside cover is equipped with.
2. The screw of claim 1, which has good sealing performance, wherein: the head sealing ring and the rod body sealing ring are of an integrally formed structure.
3. The screw of claim 1, which has good sealing performance, wherein: the waterproof cover is of an integrally formed structure.
4. The screw of claim 1, which has good sealing performance, wherein: the waterproof cap is of an integrally formed structure.
5. The screw of claim 1, which has good sealing performance, wherein: the mounting groove is in a straight line shape.
6. The screw of claim 1, which has good sealing performance, wherein: the waterproof cap and the waterproof cover are connected through a connecting strip.
7. The screw of claim 1, which has good sealing performance, wherein: the waterproof cap and the waterproof cover are made of transparent rubber materials.
8. The screw of claim 1, which has good sealing performance, wherein: the head sealing ring and the rod body sealing ring are made of rubber materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922467575.5U CN211525292U (en) | 2019-12-31 | 2019-12-31 | Screw with good sealing performance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922467575.5U CN211525292U (en) | 2019-12-31 | 2019-12-31 | Screw with good sealing performance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211525292U true CN211525292U (en) | 2020-09-18 |
Family
ID=72448351
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922467575.5U Expired - Fee Related CN211525292U (en) | 2019-12-31 | 2019-12-31 | Screw with good sealing performance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211525292U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112252595A (en) * | 2020-09-25 | 2021-01-22 | 多富瑞(山东)新材料有限公司 | Waterproof nail installation method for corrugated asphalt shingle concrete structure |
| CN113153881A (en) * | 2021-03-22 | 2021-07-23 | 苏州嘉泰橡塑科技有限公司 | Hexagonal screw rubber coating |
| WO2023083060A1 (en) * | 2021-11-15 | 2023-05-19 | 宁德时代新能源科技股份有限公司 | Screw, connecting structure, battery and electric device |
-
2019
- 2019-12-31 CN CN201922467575.5U patent/CN211525292U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112252595A (en) * | 2020-09-25 | 2021-01-22 | 多富瑞(山东)新材料有限公司 | Waterproof nail installation method for corrugated asphalt shingle concrete structure |
| CN113153881A (en) * | 2021-03-22 | 2021-07-23 | 苏州嘉泰橡塑科技有限公司 | Hexagonal screw rubber coating |
| WO2023083060A1 (en) * | 2021-11-15 | 2023-05-19 | 宁德时代新能源科技股份有限公司 | Screw, connecting structure, battery and electric device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200918 Termination date: 20211231 |