CN203554556U - Explosion-proof nitrogen-filling high speed ball-type camera - Google Patents
Explosion-proof nitrogen-filling high speed ball-type camera Download PDFInfo
- Publication number
- CN203554556U CN203554556U CN201320617943.XU CN201320617943U CN203554556U CN 203554556 U CN203554556 U CN 203554556U CN 201320617943 U CN201320617943 U CN 201320617943U CN 203554556 U CN203554556 U CN 203554556U
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- explosion
- flange
- cylindrical shell
- proof
- translucent cover
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Abstract
The utility model relates to an explosion-proof nitrogen-filling high speed ball-type camera comprising the following elements: a cylinder having an opening facing downwards, the top of the cylinder is provided with a boss having a connecting hole connected with the opening, a sealing unit is arranged in the connecting hole, and the bottom of the cylinder is provided with a first flange; a mounting pillar used for mounting and fixing the cylinder; a transparent shield fixing ring, a body of the transparent shield fixing ring is embedded in the cylinder, and a relative position between the transparent shield fixing ring and the cylinder is limited by a third flange; a transparent shield with an opening provided with a fourth flange; a transparent shield pressure ring clamped on the fourth flange; the transparent shield pressure ring and the transparent shield fixing ring are in thread connection; the transparent shield fixing ring and the first flange are in thread connection; a first explosion-proof zone filled with nitrogen is formed in the cylinder. The explosion-proof nitrogen-filling high speed ball-type camera can effectively prevent gas from entering the camera, thereby ensuring normal work of the camera.
Description
Technical field:
The utility model relates to field of cameras, relates in particular to a kind of explosion-proof nitrogen high-speed ball camera that fills.
Background technology:
Well-known high-speed ball camera becomes very common main flow watch-dog in civilian monitoring field, in anti-explosion surveillance field because its bodily form is little, rotate flexibly, space hold is little, speed advantages of higher, also at this, within 2 years, become main product and the developing direction of anti-explosion surveillance, the environment for use of explosion-proof industry is severe soda acid, chemical industry, colliery, petroleum and petrochemical industry, military projects etc. are inflammable and explosive, being fraught with risks property, the place of corrosive gas, but be subject to the restriction of ball-type blast resistance construction, in degree of protection and sealing, be not so good as civilian clipping the ball, although shell is explosion-proof, but due in use, comprise maintenance, in operating process, opening cavity arranges or keeps in repair rear chamber inside and will have partial corrosion and inflammable and explosive gas, can be to camera wherein, electric, the mechanisms such as transmission cause corrosion, even cause blast to wait dangerous situation to occur.
Utility model content:
For the problems referred to above, the utility model provides a kind of explosion-proof nitrogen high-speed ball camera that fills, and it can prevent that video camera inside from entering corrosive gas, guarantees the operational environment of video camera, and then has guaranteed the useful life of video camera.
For solving the problems of the technologies described above, the explosion-proof nitrogen high-speed ball camera that fills of the present utility model, comprises,
Cylindrical shell, described cylindrical shell have down, for holding control circuit uncovered of described video camera, described cylindrical shell upper end is provided with boss, offers and the described uncovered connecting hole being connected on described boss, in described connecting hole, be provided with sealing unit, described cylindrical shell lower end is provided with the first flange;
Cylinder is installed, and described installation cylinder is hollow structure, and fixing for described cylindrical shell is installed, described installation cylinder one end is provided with the second flange, and is fixed on described boss by means of described the second flange;
Translucent cover retainer plate, the 3rd flange that described translucent cover retainer plate comprises body and is positioned at body one end, the body of described translucent cover retainer plate embeds in described cylindrical shell and by the relative position of described the 3rd flanged limits and described cylindrical shell;
Translucent cover, for covering the probe of described video camera, described translucent cover is hemisphere, the openend of described translucent cover is provided with the 4th flange;
Translucent cover trim ring, described translucent cover trim ring is pressed on described the 4th flange;
Described translucent cover trim ring is threaded with translucent cover retainer plate, and described translucent cover retainer plate is threaded with described the first flange, forms Packed the first explosion-proof area in described cylindrical shell, in described the first explosion-proof area, is filled with nitrogen.
Preferably, described sealing unit comprises seal nipple, in described connecting hole, is filled with epoxy glue, and described seal nipple inserts in described epoxy glue fixing.
Preferably, the other end of described installation cylinder is provided with end cap, on described end cap, offers centre bore, in described centre bore, is provided with O-ring seal, is provided with stifled core in described O-ring seal, and described stifled core top is provided with plug; In described installation cylinder, form Packed the second explosion-proof area, in described the second explosion-proof area, be filled with nitrogen.
Preferably, on described cylindrical shell, be provided with the unidirectional valve that is used to described cylindrical shell inflated with nitrogen.
Preferably, described unidirectional valve is fixed on described cylindrical shell by gluing mode.
Preferably, described unidirectional valve is arranged with Intake Cover outward, and described Intake Cover is threaded with described unidirectional valve.
Preferably, outside described cylindrical shell, fixed cover is provided with sky shade.
Preferably, between described the first flange and the 3rd flange, be provided with O type rubber ring.
Adopt the explosion-proof nitrogen high-speed ball camera that fills of the present utility model, the first explosion-proof area forms main explosion-proof chamber, and the second explosion-proof area forms secondary explosion-proof chamber.All electric parts all, in main explosion-proof chamber, only have a plug in secondary explosion-proof chamber, between two explosion-proof chambers, by the form seal isolation of rubber seal, making winner's explosion-proof chamber is the cavity that needs nitrogen filled protection.
Accompanying drawing explanation:
Below in conjunction with the drawings and specific embodiments, further illustrate the utility model.
Fig. 1 is the explosion-proof structural representation that fills nitrogen high-speed ball camera of the present utility model;
Fig. 2 is the structural representation of cylindrical shell;
Fig. 3 is for installing the structural representation of cylinder.
Embodiment:
For technological means, creation characteristic that the utility model is realized, reach object and effect is easy to understand, below in conjunction with concrete diagram, further set forth the utility model.
Referring to Fig. 1-Fig. 3, the explosion-proof nitrogen high-speed ball camera that fills of the present utility model, comprises cylindrical shell 4, cylinder 8, translucent cover retainer plate, translucent cover and translucent cover trim ring 2 etc. is installed.
Translucent cover retainer plate 3, the 3rd flange 302 that translucent cover retainer plate 3 comprises body 301 and is positioned at body 301 one end, the body 301 of translucent cover retainer plate 3 embeds the relative position with cylindrical shell 4 in cylindrical shell 4 and by the 3rd flange 302 restrictions.Body 301 part external diameters are less than the internal diameter of cylindrical shell 4, and body 301 is partially embedded in cylindrical shell 4, and the 3rd flange 302 limits its position.For guaranteeing the sealing of the two, between the first flange 401 and the 3rd flange 302, be provided with O type rubber ring 17.
Translucent cover trim ring 2 is threaded with translucent cover retainer plate 3, and translucent cover retainer plate 3 is connected by screw 18 with the first flange 401, in Packed the first explosion-proof area 30, the first explosion-proof areas 30 of the interior formation of cylindrical shell 4, is filled with nitrogen.Like this,, formed main explosion-proof chamber of the present utility model.
Sealing unit comprises seal nipple 16, is filled with epoxy glue 15 in connecting hole, and seal nipple 16 inserts in epoxy glue 15 fixing, and Internal cable is fixing by rubber seal and seal nipple 16.
The other end that cylinder 8 is installed is provided with end cap 802, on end cap 802, offer centre bore 803, in centre bore 803, be provided with O-ring seal 9, in O-ring seal 9, be provided with stifled core 10, stifled core 10 tops are provided with plug 11, between stifled core 10 and plug 11, are provided with silicone gasket 12.Install in Packed the second explosion-proof area 40, the second explosion-proof areas 40 of the interior formation of cylinder 8 and be filled with nitrogen.
On cylindrical shell 4, be provided with the unidirectional valve 6 that is used to cylindrical shell 4 inflated with nitrogen, when needs inflated with nitrogen, by means of this unidirectional valve 6.
The fixed form of unidirectional valve 6 can adopt multiple, and in the utility model, unidirectional valve 6 is fixed on cylindrical shell 4 by gluing mode.
For guaranteeing the sealing of unidirectional valve 6, prevent that nitrogen from leaking, unidirectional valve 6 is outer is arranged with Intake Cover 7, and Intake Cover 7 is threaded with unidirectional valve 6.
More than show and described basic principle of the present utility model and principal character and advantage of the present utility model.The technical staff of the industry should understand; the utility model is not restricted to the described embodiments; that in above-described embodiment and specification, describes just illustrates principle of the present utility model; do not departing under the prerequisite of the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall within the scope of claimed the utility model.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (8)
1. the explosion-proof nitrogen high-speed ball camera that fills, is characterized in that, comprise,
Cylindrical shell, described cylindrical shell have down, for holding control circuit uncovered of described video camera, described cylindrical shell upper end is provided with boss, offers and the described uncovered connecting hole being connected on described boss, in described connecting hole, be provided with sealing unit, described cylindrical shell lower end is provided with the first flange;
Cylinder is installed, and described installation cylinder is hollow structure, and fixing for described cylindrical shell is installed, described installation cylinder one end is provided with the second flange, and is fixed on described boss by means of described the second flange;
Translucent cover retainer plate, the 3rd flange that described translucent cover retainer plate comprises body and is positioned at body one end, the body of described translucent cover retainer plate embeds in described cylindrical shell and by the relative position of described the 3rd flanged limits and described cylindrical shell;
Translucent cover, for covering the probe of described video camera, described translucent cover is hemisphere, the openend of described translucent cover is provided with the 4th flange;
Translucent cover trim ring, described translucent cover trim ring is pressed on described the 4th flange;
Described translucent cover trim ring is threaded with translucent cover retainer plate, and described translucent cover retainer plate is threaded with described the first flange, forms Packed the first explosion-proof area in described cylindrical shell, in described the first explosion-proof area, is filled with nitrogen.
2. the explosion-proof nitrogen high-speed ball camera that fills according to claim 1, is characterized in that, described sealing unit comprises seal nipple, in described connecting hole, is filled with epoxy glue, and described seal nipple inserts in described epoxy glue fixing.
3. the explosion-proof nitrogen high-speed ball camera that fills according to claim 1, it is characterized in that, the other end of described installation cylinder is provided with end cap, on described end cap, offer centre bore, in described centre bore, be provided with O-ring seal, in described O-ring seal, be provided with stifled core, described stifled core top is provided with plug; In described installation cylinder, form Packed the second explosion-proof area, in described the second explosion-proof area, be filled with nitrogen.
4. the explosion-proof nitrogen high-speed ball camera that fills according to claim 1, is characterized in that, is provided with the unidirectional valve that is used to described cylindrical shell inflated with nitrogen on described cylindrical shell.
5. the explosion-proof nitrogen high-speed ball camera that fills according to claim 4, is characterized in that, described unidirectional valve is fixed on described cylindrical shell by gluing mode.
6. according to the explosion-proof nitrogen high-speed ball camera that fills described in claim 4 or 5, it is characterized in that, described unidirectional valve is arranged with Intake Cover outward, and described Intake Cover is threaded with described unidirectional valve.
7. the explosion-proof nitrogen high-speed ball camera that fills according to claim 1, is characterized in that, fixed cover is provided with sky shade outside described cylindrical shell.
8. the explosion-proof nitrogen high-speed ball camera that fills according to claim 1, is characterized in that, between described the first flange and the 3rd flange, is provided with O type rubber ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320617943.XU CN203554556U (en) | 2013-09-29 | 2013-09-29 | Explosion-proof nitrogen-filling high speed ball-type camera |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320617943.XU CN203554556U (en) | 2013-09-29 | 2013-09-29 | Explosion-proof nitrogen-filling high speed ball-type camera |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203554556U true CN203554556U (en) | 2014-04-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320617943.XU Expired - Fee Related CN203554556U (en) | 2013-09-29 | 2013-09-29 | Explosion-proof nitrogen-filling high speed ball-type camera |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203554556U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103516970A (en) * | 2013-09-29 | 2014-01-15 | 常州先森电子科技有限公司 | High-speed dome camera |
-
2013
- 2013-09-29 CN CN201320617943.XU patent/CN203554556U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103516970A (en) * | 2013-09-29 | 2014-01-15 | 常州先森电子科技有限公司 | High-speed dome camera |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140416 Termination date: 20140929 |
|
| EXPY | Termination of patent right or utility model |