CN201418121Y - Waterproof fastening structure for exposed screws on PTZ camera housing - Google Patents
Waterproof fastening structure for exposed screws on PTZ camera housing Download PDFInfo
- Publication number
- CN201418121Y CN201418121Y CN2009200972328U CN200920097232U CN201418121Y CN 201418121 Y CN201418121 Y CN 201418121Y CN 2009200972328 U CN2009200972328 U CN 2009200972328U CN 200920097232 U CN200920097232 U CN 200920097232U CN 201418121 Y CN201418121 Y CN 201418121Y
- Authority
- CN
- China
- Prior art keywords
- screw
- groove
- screws
- seal ring
- elastic seal
- 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.)
- Expired - Fee Related
Links
Images
Landscapes
- Studio Devices (AREA)
Abstract
The utility model relates to a waterproof fastening structure for exposed screws on a PTZ camera housing. The structure comprises a part to be fixed, a substrate and the screws, wherein the screw capsof the screws are fastened and compressed on the outer surface of the part to be fixed; a stud at the lower ends of the screws is meshed and connected with the substrate; an annular groove coaxial with the screws is formed on the outer groove of the part to be fixed; the inner diameter of the groove is smaller than the outer diameter of the screw cap of the screw; and an elastic seal ring is closely installed on the stud of the screw in the position of an annular cavity formed by the groove. The utility model has the advantages of simple structure, low cost, scientific integrated design, repeating disassembly, long service life and reasonable sealing, and mainly utilizes the groove structure on the outer surface of the part to be fixed and the elastic deformation of the elastic seal ringon the outer edge of a thread at the lower end of the screw to achieve waterproof and sealing purposes; and the elastic seal ring is not exposed and does not bear fastening pressure of the screws, thereby solving the problem of no waterproof function of the whole PTZ camera housing due to the easily-damaged seal ring in the prior art.
Description
Technical field
The utility model belongs to the watch-dog technical field, especially a kind of waterproof fastening structure that is used for monopod video camera outer cover exposed screws.
Background technology
Watch-dog is the indispensable visual plant of modern society, all be unable to do without watch-dog as the security monitoring in some places such as bank or the vehicle in the road traffic, pedestrian's monitoring.And topmost equipment is exactly monopod video camera in the watch-dog, it can be under the coordination of control system operation automatically, automatically adjust and with real-time video signal transmission to Surveillance center to make things convenient for the monitoring of monitor staff to the scene.The outdoor monopod video camera is exposed in the natural environment, except dustproof work, topmost is exactly the waterproof that how to realize the monopod video camera outer cover, for the waterproof problem between some bigger parts, can realize by seal or standard seal part that design in advance is installed, and some expose on the monopod video camera outer cover, the less screw of volume is (as M3, M4 or M5 etc.) waterproof problem never be well solved, such as: some can't design seal because the space is less, some is then out in the cold, the above-mentioned failure that either way can cause monopod video camera outer cover integral waterproofing work.Though some monopod video camera outer cover has adopted the encapsulating method of standard; promptly on screw suit one external diameter greater than the sealing ring of nut; but this structure is after screw is fastening; sealing ring is subjected to the extruding of the fastening pressure of screw after fastening; sealing ring damages through regular meeting after using a period of time, thereby causes the failure of monopod video camera integral waterproofing.
Summary of the invention
The purpose of this utility model is to overcome the deficiencies in the prior art, provide a kind of simple in structure, with low cost and elastic seal ring not expose and do not bear the screw fastening pressure, can use for a long time, the waterproof fastening structure that is used for monopod video camera outer cover exposed screws of good sealing effect.
The technical scheme that the utility model is taked is:
A kind of waterproof fastening structure that is used for monopod video camera outer cover exposed screws, form by treating fixture, matrix and screw, fastening being crimped on of the nut of described screw treated the fixture outer surface, the double-screw bolt and the matrix of screw lower end are connected with a joggle, it is characterized in that: described treat to be shaped on the fixture outer surface one with the groove of the coaxial ring-type of screw, the internal diameter of this groove is less than the nut external diameter of screw, on the double-screw bolt of the screw of the formed toroidal cavity of groove position an elastic seal ring is installed closely.
And the axial height of described elastic seal ring before screw is not fastening is greater than the axial height of described groove, and the external diameter of elastic seal ring is less than the internal diameter of described groove.
Advantage of the present utility model and good effect are:
1. this structure is made a groove coaxial with screw at the outer surface for the treatment of fixture, the internal diameter of this groove is less than the external diameter of screw nut, elastic seal ring is enclosed within the outer rim of screw lower end screw thread during use, when screw is fastening finish after, this elastic seal ring produces deformation and is full of the toroidal cavity that is formed by screw and groove, this elastic seal ring does not promptly bear the fastening pressure of screw nut like this, has simultaneously realized screw again and has treated waterproof sealing between the fixture.
2. screw is selected big sphere flange screws for use in this structure, this big sphere flange screws make by stainless steel material and its nut external diameter bigger.Elastic seal ring is made by the hardness suitable elastic materials that meets the conditions for equipment use requirement, this elastic seal ring is before screw is not fastening, axial height between the elastic deformation does not promptly take place greater than the external diameter of the axial height for the treatment of the fixture outer surface groove and the elastic seal ring internal diameter less than above-mentioned groove, after screw was fastening, this elastic seal ring produced the purpose that elastic deformation realizes waterproof sealing under the co-extruded of screw nut lower surface and groove plate upper surface like this.
3. the utility model is simple in structure, with low cost, the main purpose of utilizing the elastic deformation realization waterproof sealing of the groove structure for the treatment of the fixture outer surface and the elastic seal ring that is sleeved on screw lower end screw thread outer rim, and elastic seal ring does not expose the fastening pressure that does not bear screw, solved the problem that sealing ring in the prior art is easy to damage the monopod video camera outer cover integral waterproofing failure that causes, the global design science, can repeatedly dismantle, the life-span is long, sealing is reliable.
Description of drawings
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is the amplification view of screw after fastening;
Fig. 3 is the amplification view of screw when not fastening;
Fig. 4 is the structural representation of the another kind of execution mode of the utility model.
Embodiment
Below in conjunction with embodiment, the utility model is further specified, following embodiment is illustrative, is not determinate, can not limit protection range of the present utility model with following embodiment.
A kind of waterproof fastening structure that is used for monopod video camera outer cover exposed screws, present embodiment is to be example with the spherical pan head video camera, referring to Fig. 1～3, form by treating fixture 2, matrix 3 and screw 1, fastening being crimped on of the nut of screw treated the fixture outer surface, the double-screw bolt and the matrix of screw lower end are connected with a joggle, and treat in this example that fixture is the vertical beam of ball-shaped cloud platform video camera outer cover 4 upper ends, and matrix is to be installed in the end that crossbeam front end on the skin penetrates vertical beam inside; For present embodiment, its innovation is: be shaped on an annular recess 6 coaxial with screw on the vertical beam outer surface, the internal diameter of this groove closely is equipped with an elastic seal ring 5 less than the nut external diameter of screw on the double-screw bolt in the toroidal cavity that forms with groove in the fastening back of screw.
Preferred scheme is: elastic seal ring is before screw is not fastening, and promptly elastic seal ring axial height before the deformation does not take place greater than the external diameter of the axial height of described groove and the elastic seal ring internal diameter less than described groove
The screw that the utility model uses is standard component---big sphere flange screws, it has bigger cylindrical, can cover the bigger sealing ring of internal diameter.Use the standard screws of stainless steel to have enough intensity, rigidity, and cost is low, can reach the requirement in outdoor application environment and useful life.Elastic seal ring is to be made by the hardness suitable elastic materials that meets the conditions for equipment use requirement, has enough deformabilities and life-span.Treat that groove that the fixture outer surface is made can hold the deformation quantity of elastic seal ring, can guarantee that again elastic seal ring obtains enough pressure, realizes the purpose of waterproof sealing.
Operation principle of the present utility model is:
1. the double-screw bolt outer rim in big sphere flange screws lower end puts elastic seal ring, double-screw bolt is passed treat fixture again, and this moment, elastic seal ring crouched in treating the groove that the fixture outer surface is made;
2. rotary screw, make the engagement of screw lower end double-screw bolt and matrix, treat the fixture outer surface until fastening being crimped on of screw, because the axial height of elastic seal ring is greater than the axial height for the treatment of the groove that the fixture outer surface is made, the extruding between screw nut lower surface and the above-mentioned groove plate upper surface makes elastic seal ring generation deformation and closely is filled in the toroidal cavity that forms between screw and the above-mentioned groove;
3. screw is fastening finishes, and waterproof sealing is finished simultaneously.
The different place of present embodiment and embodiment 1 as shown in Figure 4, matrix is common elongated monopod video camera outer cover 8, treat that fixture is mounted in the end plate 7 of common elongated monopod video camera outer cover both ends of the surface, the screw that exposes has been used in these two parts connections, and other is identical with embodiment 1.
Two end plates is used the problem of having avoided monopod video camera outer cover integral waterproofing failure in the prior art behind the screw waterproof fastening structure fixedly the time.
Claims (2)
1, a kind of waterproof fastening structure that is used for monopod video camera outer cover exposed screws, form by treating fixture, matrix and screw, fastening being crimped on of the nut of described screw treated the fixture outer surface, the double-screw bolt and the matrix of screw lower end are connected with a joggle, it is characterized in that: described treat to be shaped on the fixture outer surface one with the groove of the coaxial ring-type of screw, the internal diameter of this groove is less than the nut external diameter of screw, on the double-screw bolt of the screw of the formed toroidal cavity of groove position an elastic seal ring is installed closely.
2, the waterproof fastening structure that is used for monopod video camera outer cover exposed screws according to claim 1, it is characterized in that: the axial height of described elastic seal ring before screw is not fastening is greater than the axial height of described groove, and the external diameter of elastic seal ring is less than the internal diameter of described groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200972328U CN201418121Y (en) | 2009-06-19 | 2009-06-19 | Waterproof fastening structure for exposed screws on PTZ camera housing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200972328U CN201418121Y (en) | 2009-06-19 | 2009-06-19 | Waterproof fastening structure for exposed screws on PTZ camera housing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201418121Y true CN201418121Y (en) | 2010-03-03 |
Family
ID=41794549
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009200972328U Expired - Fee Related CN201418121Y (en) | 2009-06-19 | 2009-06-19 | Waterproof fastening structure for exposed screws on PTZ camera housing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201418121Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109295846A (en) * | 2018-11-22 | 2019-02-01 | 蒿振侠 | A kind of antidetonation connector with water-proof function |
| CN113452874A (en) * | 2020-03-25 | 2021-09-28 | 杭州海康威视数字技术股份有限公司 | Video camera |
-
2009
- 2009-06-19 CN CN2009200972328U patent/CN201418121Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109295846A (en) * | 2018-11-22 | 2019-02-01 | 蒿振侠 | A kind of antidetonation connector with water-proof function |
| CN113452874A (en) * | 2020-03-25 | 2021-09-28 | 杭州海康威视数字技术股份有限公司 | Video camera |
| CN113452874B (en) * | 2020-03-25 | 2023-02-28 | 杭州海康威视数字技术股份有限公司 | Video camera |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| PT2126248E (en) | Anchor system of a concrete wall form | |
| CN201418121Y (en) | Waterproof fastening structure for exposed screws on PTZ camera housing | |
| CN202971894U (en) | Screw sealing structure | |
| CN203554569U (en) | Outdoor spherical network camera | |
| CN201763763U (en) | Bonded sealing traveling self-locking nut | |
| CN207261435U (en) | Half handling nut of one kind point | |
| CN211417557U (en) | Underwater sealed cabin device | |
| CN206347015U (en) | A kind of bolt protective cover | |
| CN103089785A (en) | Anti-loosening fastening device | |
| CN106193194B (en) | A kind of intelligent integral remote detection water pressure fire hydrant | |
| CN204099387U (en) | A kind of antirust screw nut with rubber o-ring | |
| CN110758683A (en) | Underwater sealed cabin device | |
| CN202338548U (en) | Hexagonal-spherical adjusting nut component | |
| CN203548497U (en) | Stud | |
| CN203051372U (en) | Sealing type round head screw bolt | |
| CN203548520U (en) | Fast-tapping and loosening-prevention stud | |
| CN202899114U (en) | An ocean platform wind-shield wall fixed through a novel bolt assembly | |
| CN203051389U (en) | Easy-to-disassemble preloaded bolt | |
| CN207999561U (en) | A kind of flange | |
| CN210660984U (en) | Wheel nut plug | |
| CN105422601A (en) | Lock nut | |
| CN201712058U (en) | Fastening bolt limit device | |
| CN205741782U (en) | A kind of high intensity rail Anti-off bolt assembly | |
| CN203956812U (en) | Plain cushion bullet pad nut assembly holder spanner | |
| CN210118246U (en) | Pull rod for reciprocating plunger pump |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: TIANJIN YA AN TECH. CO., LTD. Free format text: FORMER NAME: YAAN SCIENCE + TECHNOLOGY ELECTRONIC CO., LTD., TIANJIN |
|
| CP03 | Change of name, title or address |
Address after: 300384 Tianjin City Huayuan Industrial Zone Ziyuan Road No. 8 Patentee after: Tianjin Yaan Technology Co., Ltd. Address before: Ziyuan road 300384 Tianjin Huayuan Industrial Park No. 8 Patentee before: Yaan Science & Technology Electronic Co., Ltd., Tianjin |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100303 Termination date: 20140619 |
|
| EXPY | Termination of patent right or utility model |