CN111927866B - Waterproof special combination screw - Google Patents
Waterproof special combination screw Download PDFInfo
- Publication number
- CN111927866B CN111927866B CN202010684535.0A CN202010684535A CN111927866B CN 111927866 B CN111927866 B CN 111927866B CN 202010684535 A CN202010684535 A CN 202010684535A CN 111927866 B CN111927866 B CN 111927866B
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- China
- Prior art keywords
- annular
- screw
- sleeve
- cover body
- sealing ring
- Prior art date
- 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.)
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Links
- 238000007789 sealing Methods 0.000 claims abstract description 25
- 230000007246 mechanism Effects 0.000 claims description 10
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 230000037303 wrinkles Effects 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B41/00—Measures against loss of bolts, nuts, or pins; Measures against unauthorised operation of bolts, nuts or pins
- F16B41/005—Measures against unauthorised operation of bolts, nuts or pins
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B35/00—Screw-bolts; Stay-bolts; Screw-threaded studs; Screws; Set screws
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B43/00—Washers or equivalent devices; Other devices for supporting bolt-heads or nuts
- F16B43/001—Washers or equivalent devices; Other devices for supporting bolt-heads or nuts for sealing or insulation
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
- Y02E10/56—Power conversion systems, e.g. maximum power point trackers
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Bolts, Nuts, And Washers (AREA)
Abstract
The invention discloses a special waterproof combined screw which comprises a screw body, a sleeve body, an annular body, a plurality of elastic bodies, a cover body and a sealing ring, wherein the annular body is sleeved on a threaded rod of the screw body, a screw head of the screw body and the sleeve body are positioned in the sleeve body, the elastic bodies are arranged between the sleeve body and the annular body, the upper end of the sleeve body is internally provided with the detachable cover body, the cover body and the sleeve body are sealed through the sealing ring, the upper end of the cover body is provided with a threaded blind hole for detaching the cover body, and the lower end of the sleeve body is provided with the sealing ring.
Description
Technical Field
The invention relates to the technical field of fasteners, in particular to the technical field of a special waterproof combined screw.
Background
The inverter is an electric power adjusting device who comprises semiconductor device, and mainly used converts DC power to alternating current power, and along with the development of solar power generation technique, domestic photovoltaic inverter more and more receives the favor in market, because photovoltaic inverter need install in the open air, uses the fix with screw during the installation, produces serious corrosion when because the screw receives rainwash for a long time, leads to rustting to do not possess the theftproof function. In view of the above drawbacks, it is necessary to design a special waterproof combination screw with good waterproof effect and anti-theft function.
Disclosure of Invention
The invention aims to solve the problems in the prior art and provides a special waterproof combined screw with good waterproof effect and an anti-theft function.
In order to achieve the purpose, the invention provides a special waterproof combined screw, which comprises a screw body, a sleeve body, an annular body a, a plurality of elastic bodies, a cover body and a sealing ring, wherein the annular body a is sleeved on a threaded rod of the screw body, a screw head of the screw body and the cover body are positioned in the sleeve body, the elastic bodies are arranged between the sleeve body and the annular body a, the upper end of the sleeve body is internally provided with the detachable cover body, the cover body and the sleeve body are sealed through the sealing ring, the upper end of the cover body is provided with a threaded blind hole for detaching the cover body, and the lower end of the sleeve body is provided with the sealing ring.
Preferably, the elastic body is formed with a wrinkle portion.
Preferably, the lower end of the sleeve body exceeds the lower end of the annular body a.
Preferably, the thread of the threaded blind hole is a coarse thread.
Preferably, the circumferential surface of the cover body is provided with an annular groove, the annular groove is internally provided with a connecting mechanism, and the sleeve body is provided with an annular connecting groove matched with the connecting mechanism.
Preferably, the connecting mechanism comprises an annular body b and arc-shaped elastic bodies uniformly arranged on the outer peripheral surface of the annular body b, and the arc-shaped elastic bodies are matched with the annular connecting grooves.
Preferably, the inner wall of the sealing ring is provided with an annular fixing body, and the cover body is provided with a fixing groove matched with the annular fixing body.
The invention has the beneficial effects that: according to the invention, the cover body and the sleeve body are sealed through the sealing ring, the upper end of the cover body is provided with the threaded blind hole for detaching the cover body, the lower end of the sleeve body is provided with the sealing ring, the sealing ring does not bear the locking force of the screw body, the sealing ring is prevented from being crushed, the waterproof effect is good, the detachable cover body is arranged in the upper end of the sleeve body, the threaded blind hole for detaching the cover body is arranged in the upper end of the cover body, a bolt matched with the threaded blind hole can be screwed into the threaded blind hole, and then the bolt is pulled to pull out the cover body, so that a certain anti-theft effect is achieved.
The features and advantages of the present invention will be described in detail by embodiments in conjunction with the accompanying drawings.
Drawings
Fig. 1 is a schematic structural view of a special waterproof combination screw of the invention.
In the figure: 1-screw body, 2-sleeve body, 3-annular body a, 4-elastic body, 5-cover body, 6-sealing ring, 7-threaded blind hole, 8-fold part, 9-annular groove, 10-connecting mechanism, 11-annular connecting groove, 12-sealing ring, 13-annular fixed body, 101-annular body b and 102-arc elastic body.
Detailed Description
Referring to fig. 1, the special waterproof combination screw of the present invention comprises a screw body 1, a sleeve body 2, an annular body a3, a plurality of elastic bodies 4, a cover body 5 and a sealing ring 6, wherein the annular body a3 is sleeved on a threaded rod of the screw body 1, a screw head of the screw body 1 and the cover body 5 are located in the sleeve body 2, the elastic body 4 is arranged between the sleeve body 2 and the annular body a3, the upper end of the sleeve body 2 is provided with the detachable cover body 5, the cover body 5 and the sleeve body 2 are sealed by the sealing ring 6, the upper end of the cover body 5 is provided with a threaded blind hole 7 for detaching the cover body 5, the lower end of the sleeve body 2 is provided with a sealing ring 12, the elastic body 4 is provided with a corrugated portion 8, the lower end of the sleeve body 2 exceeds the lower end of the annular body a3, threads of the threaded blind hole 7 are coarse threads, the circumferential surface of the cover body 5 is provided with an annular groove 9, and a connecting mechanism 10 is arranged in the annular groove 9, the sleeve body 2 is provided with an annular connecting groove 11 matched with the connecting mechanism 10, the connecting mechanism 10 comprises an annular body b101 and arc-shaped elastic bodies 102 uniformly arranged on the outer peripheral surface of the annular body b101, the arc-shaped elastic bodies 102 are matched with the annular connecting groove 11, the inner wall of the sealing ring 6 is provided with an annular fixing body 13, and the cover body 5 is provided with a fixing groove matched with the annular fixing body 13.
The working process of the invention is as follows:
when the screw body 1 is screwed down in the working process of the special waterproof combined screw, when the sealing ring 12 is blocked by the mounting piece, the screw head of the screw body 1 drives the annular body a3 to approach to the mounting piece until the annular body a3 presses against the mounting piece, meanwhile, the annular body a3 drives the elastic body 4 to deform, the sleeve body 2 presses the sealing ring 12 against the mounting piece under the action of the elastic body 4, sealing between the sleeve body 2 and the mounting piece is realized, the sealing ring 12 does not bear the locking force of the screw body 1, and then the cover body 5 is pressed into the sleeve body 2.
When the cover body 5 is disassembled, the special screw is screwed into the threaded blind hole 7, and then the special screw is pulled to pull the cover body 5 out of the sleeve body 2.
The above embodiments are illustrative of the present invention, and are not intended to limit the present invention, and any simple modifications of the present invention are within the scope of the present invention.
Claims (4)
1. The utility model provides a waterproof special combination screw which characterized in that: comprises a screw body (1), a sleeve body (2), an annular body a (3), a plurality of elastic bodies (4), a cover body (5) and a sealing ring (6), wherein the annular body a (3) is sleeved on a threaded rod of the screw body (1), a screw head and the cover body (5) of the screw body (1) are positioned in the sleeve body (2), the elastic bodies (4) are arranged between the sleeve body (2) and the annular body a (3), the upper end of the sleeve body (2) is internally provided with the detachable cover body (5), the cover body (5) and the sleeve body (2) are sealed by the sealing ring (6), the upper end of the cover body (5) is provided with a threaded blind hole (7) for disassembling the cover body (5), the lower end of the sleeve body (2) is provided with a sealing ring (12), a fold part (8) is formed on the elastic body (4), the inner wall of the sealing ring (6) is provided with an annular fixing body (13), the cover body (5) is provided with a fixing groove matched with the annular fixing body (13), and the lower end of the sleeve body (2) exceeds the lower end of the annular body a (3).
2. The special waterproof combination screw of claim 1, wherein: the thread of the threaded blind hole (7) is a coarse thread.
3. The special waterproof combination screw of claim 1, wherein: the periphery of the cover body (5) is provided with an annular groove (9), a connecting mechanism (10) is arranged in the annular groove (9), and an annular connecting groove (11) matched with the connecting mechanism (10) is arranged on the sleeve body (2).
4. The special waterproof combination screw of claim 3, wherein: the connecting mechanism (10) comprises an annular body b (101) and arc-shaped elastic bodies (102) uniformly arranged on the outer peripheral surface of the annular body b (101), and the arc-shaped elastic bodies (102) are matched with the annular connecting grooves (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010684535.0A CN111927866B (en) | 2020-07-16 | 2020-07-16 | Waterproof special combination screw |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010684535.0A CN111927866B (en) | 2020-07-16 | 2020-07-16 | Waterproof special combination screw |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111927866A CN111927866A (en) | 2020-11-13 |
| CN111927866B true CN111927866B (en) | 2022-08-23 |
Family
ID=73313603
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010684535.0A Active CN111927866B (en) | 2020-07-16 | 2020-07-16 | Waterproof special combination screw |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111927866B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN215634210U (en) * | 2021-03-29 | 2022-01-25 | 中兴通讯股份有限公司 | Waterproof fastener |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2232218A (en) * | 1989-06-02 | 1990-12-05 | Frederick John Yarrow | Security fasteners for preventing theft or vandalism |
| CN206943414U (en) * | 2017-07-27 | 2018-01-30 | 眉山中车制动科技股份有限公司 | A kind of sealing ring with end face seal and self-sealing function |
| CN210769781U (en) * | 2019-07-15 | 2020-06-16 | 中航光电科技股份有限公司 | Novel bolt anti-loosening sealing assembly |
| CN210919726U (en) * | 2019-11-19 | 2020-07-03 | 温州市强杰科技实业有限公司 | High-stability sectional type self-tapping screw |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109340238B (en) * | 2018-12-07 | 2024-05-07 | 浙江盛世瑞金紧固件股份有限公司 | Antitheft bolt |
| CN209324850U (en) * | 2018-12-07 | 2019-08-30 | 浙江盛世瑞金紧固件有限公司 | A kind of bolt with anti-loose anti-theft function |
| CN110206809A (en) * | 2019-06-24 | 2019-09-06 | 杨富云 | The locking means and its lock washer of nuts and bolt |
| CN210769782U (en) * | 2019-07-15 | 2020-06-16 | 中航光电科技股份有限公司 | Novel bolt anti-loosening sealing assembly |
-
2020
- 2020-07-16 CN CN202010684535.0A patent/CN111927866B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2232218A (en) * | 1989-06-02 | 1990-12-05 | Frederick John Yarrow | Security fasteners for preventing theft or vandalism |
| CN206943414U (en) * | 2017-07-27 | 2018-01-30 | 眉山中车制动科技股份有限公司 | A kind of sealing ring with end face seal and self-sealing function |
| CN210769781U (en) * | 2019-07-15 | 2020-06-16 | 中航光电科技股份有限公司 | Novel bolt anti-loosening sealing assembly |
| CN210919726U (en) * | 2019-11-19 | 2020-07-03 | 温州市强杰科技实业有限公司 | High-stability sectional type self-tapping screw |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111927866A (en) | 2020-11-13 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information |
Address after: 314300 No.18, Jinping Road, Qinshan street, Haiyan County, Jiaxing City, Zhejiang Province Applicant after: Yichen hardware (Zhejiang) Co.,Ltd. Address before: 314300 No.18, Jinping Road, Qinshan street, Haiyan County, Jiaxing City, Zhejiang Province Applicant before: ZHEJIANG YICHEN HARDWARE Corp. |
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| CB02 | Change of applicant information | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |