CN209731427U - A kind of waterproof construction of camera front and rear casing link position - Google Patents
A kind of waterproof construction of camera front and rear casing link position Download PDFInfo
- Publication number
- CN209731427U CN209731427U CN201921004743.0U CN201921004743U CN209731427U CN 209731427 U CN209731427 U CN 209731427U CN 201921004743 U CN201921004743 U CN 201921004743U CN 209731427 U CN209731427 U CN 209731427U
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- China
- Prior art keywords
- front housing
- sealing ring
- dentalation
- rear shell
- wave
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Abstract
The utility model discloses a kind of waterproof constructions of camera front and rear casing link position, include rear shell, front housing and sealing ring, a circle card slot is equipped on the side wall of rear shell, sealing ring is embedded in card slot；The front section inner surface of front housing is equipped with wave dentalation, and the inclined-plane hold-down segment that a circle is formed by the inclined inner surface of front housing front section is equipped with behind wave dentalation；The outer surface leading portion of sealing ring is by the wave dentalation clamping of front housing, and the outer surface back segment of sealing ring is squeezed by inclined-plane hold-down segment and compressed.The utility model is connect with rear shell using helicitic texture by front housing, rubber seal is provided in front of front housing and rear shell threaded connection place, carry out preliminary waterproof, and wave dentalation, inclined-plane compressing structure, frosting structure are set on front housing inner wall to the further compression seal of rubber seal, increase rubber ring and the contact area of front housing, rear shell, the leakproofness of front housing Yu rear shell junction is further improved, the service life of camera is increased.
Description
Technical field
The utility model relates to camera waterproof construction technical fields, and in particular to prevent the front and rear casing junction of camera
Water-bound.
Background technique
The use of raising with the fast development and people of security and guard technology to awareness of safety, camera is more and more general
And, it has also become indispensable one of the equipment of traffic safety, household safe, social safety.Camera is chronically exposed to outside,
It is subjected to wind, solarization, drenches with rain, therefore waterproofing design is particularly important, especially the link position between front housing and rear shell, due to straight
Lead to inside and outside camera in succession, the superiority and inferiority of waterproof performance even more directly determines the waterproof performance of entire camera.Existing camera shooting
A two seals are typically just arranged in the front and rear casing junction waterproof construction of head therebetween, however, by structure precision shadow
It rings, after front and rear casing connects, sealing ring can not be sealed equably throughout, but it is thinner some positions, some positions
Then thicker, after a period of use, the sealing effect of thin location, which will gradually weaken, even to disappear.
Utility model content
The technical problems to be solved in the utility model is in view of the drawbacks of the prior art, to provide that a kind of structure is simple, design
Rationally, sealing effect is more preferable and can keep the waterproof construction of the camera front and rear casing link position of excellent sealing for a long time.
In order to solve the above technical problems, the utility model adopts the following technical solution: a kind of camera front and rear casing connection position
The waterproof construction set includes rear shell, front housing and sealing ring, and rear shell is connected and fixed with front housing, and sealing ring is arranged between
Link position, it is characterised in that: a circle card slot is provided on the side wall of rear shell, the subsequent rear shell position of card slot is protruded outwardly
Cover board is formed, sealing ring is embedded in the card slot；The front section inner surface of front housing is provided with wave dentalation, wave dentalation
It is equipped with the inclined-plane hold-down segment that a circle is formed by the inclined inner surface of front housing front section below, inclined-plane hold-down segment is forward and outwardly
Inclined flared structure, the inner hole aperture that wave dentalation surrounds are greater than the aperture of front housing main body section；The appearance of sealing ring
Section is by the wave dentalation clamping of front housing in front, and the outer surface back segment of sealing ring is squeezed by inclined-plane hold-down segment and compressed.
Further, it is equipped with one section of threaded joints in the front section inner surface of front housing, threaded joints are located at inclined-plane
After hold-down segment and adjacent with inclined-plane hold-down segment, rear shell and the threaded joints are spirally connected fixation.
Further, the rear shell further includes having screw thread barrel structure, and thread barrel structure is located at the front end of cover board, and card slot is located at
It between cover board and screw thread barrel structure, and is depressed within the two, the outer diameter of cover board is greater than the outer diameter of screw thread barrel structure；Thread barrel knot
Structure protrudes into the fixation that is spirally connected in the threaded joints of front housing front section with threaded joints, and assembling structure is simple.
Further, the slot bottom of the card slot by grinding process formed one circle frosting structure, frosting structure with
Wave dentalation is opposite, and the inner wall of sealing ring is close to the frosting structure, keeps sealing ring closer in conjunction with rear shell.
Further, the nose thickness of inclined-plane hold-down segment is equal with the thickness of wave dentalation, the front end of wave dentalation
Hold out against the cover inner surface in rear shell.
Preferably, the rectangular cross-section structure of the card slot is easy production molding.
Preferably, the sealing ring is rubber seal.
When assembly, when front housing and the fixed rear shell portion of being connected through a screw thread, with the rotation of screw thread, sealing ring is gradually pressed
Tightly, wave dentalation, inclined-plane hold-down segment cooperate together with frosting structure compresses sealing ring, and reaches large area with sealing ring
Contact enhances waterproofness.
The utility model is connect with rear shell using helicitic texture by front housing, is set in front of front housing and rear shell threaded connection place
It is equipped with rubber seal, carries out preliminary waterproof, and wave dentalation, inclined-plane compressing structure, frosting are set on front housing inner wall
Structure increases rubber ring and the contact area of front housing, rear shell, further ensures to the further compression seal of rubber seal
Waterproofness improves the leakproofness of camera front housing Yu rear shell junction, increases the service life of camera.
Detailed description of the invention
Fig. 1 is the waterproof construction schematic diagram of the utility model front and rear casing junction；
Fig. 2 is the partial schematic diagram of the utility model sealing ring installation place.
In figure, 1 is rear shell, and 11 be screw thread barrel structure, and 12 be cover board, and 13 be card slot, and 14 be frosting structure, and 2 be front housing,
21 be front section, and 22 be wave dentalation, and 23 be inclined-plane hold-down segment, and 3 be threaded joints, and 4 be sealing ring.
Specific embodiment
In the present embodiment, referring to Figures 1 and 2, the waterproof construction of the camera front and rear casing link position, includes rear shell
1, front housing 2 and sealing ring 4, rear shell 1 are connected and fixed with front housing 2, the link position that sealing ring 4 is arranged between, in rear shell 1
Side wall on be provided with a circle card slot 13, the subsequent rear shell position of card slot 13 is protruded outwardly forms cover board 12, and sealing ring 4 is embedded in
In the card slot 13；The front section inner surface of front housing 2 is provided with wave dentalation 22, be equipped with behind wave dentalation 22 circle by
The inclined-plane hold-down segment 23 that the inclined inner surface of 2 front section 21 of front housing is formed, inclined-plane hold-down segment 23 are forward and inclined outwardly
Flared structure, the inner hole aperture that wave dentalation 22 surrounds are greater than the aperture of 2 main body section of front housing；The outer surface of sealing ring 4
Leading portion is by 22 clamping of wave dentalation of front housing 2, and the outer surface back segment of sealing ring 4 is squeezed by inclined-plane hold-down segment 23 and compressed.
It is equipped with one section of threaded joints 3 in 21 inner surface of front section of front housing 2, threaded joints 3 are located at inclined-plane compression
After section 23 and adjacent with inclined-plane hold-down segment 23, rear shell 1 and threaded joints 3 are spirally connected fixation.
The rear shell 1 further includes having screw thread barrel structure 11, and screw thread barrel structure 11 is located at the front end of cover board 12, and the two is integrated
Structure；Card slot 13 is depressed within the two between cover board 12 and screw thread barrel structure 11, and the outer diameter of cover board 12 is greater than screw thread
The outer diameter of barrel structure 11；Screw thread barrel structure 11 protrude into the threaded joints 3 of 2 front section 21 of front housing with 3 spiral shell of threaded joints
Fixation is connect, assembling structure is simple.
One circle frosting structure 14, frosting structure 14 and wave tooth are formed by grinding process in the slot bottom of the card slot 13
Shape structure 22 is opposite, and the inner wall of sealing ring 4 is close to the frosting structure 14, combines sealing ring 4 with rear shell 1 closer.
The nose thickness of inclined-plane hold-down segment 23 is equal with the thickness of wave dentalation 22, and the front end of wave dentalation 22 is held out against
In 12 inner surface of cover board of rear shell 1.
The rectangular cross-section structure of the card slot 13 is easy production molding.
The sealing ring 4 is rubber seal.
When assembly, when front housing 2 and rear shell 1 be connected through a screw thread portion 3 it is fixed when, with the rotation of screw thread, sealing ring 4 by by
Gradually compress, wave dentalation 22, inclined-plane hold-down segment 23 with frosting structure 14 together cooperate compress sealing ring 4, and with sealing ring 4
Reach the contact of large area, enhances waterproofness.
The utility model is described in detail above, it is described above, only the preferred embodiment of the utility model and
, when the utility model practical range cannot be limited, i.e., all according to the made equivalent changes and modifications of the application range, it should still belong to this
In utility model covering scope.
Claims (7)
1. a kind of waterproof construction of camera front and rear casing link position, includes rear shell, front housing and sealing ring, rear shell and front housing connect
Connect fixation, the link position that sealing ring is arranged between, it is characterised in that: a circle card is provided on the side wall of rear shell
Slot, the subsequent rear shell position of card slot is protruded outwardly forms cover board, and sealing ring is embedded in the card slot；Table in the front section of front housing
Face is provided with wave dentalation, and the inclined-plane that a circle is formed by the inclined inner surface of front housing front section is equipped with behind wave dentalation
Hold-down segment, inclined-plane hold-down segment are forward and inclined flared structure outwardly, before the inner hole aperture that wave dentalation surrounds is greater than
The aperture of shell main body section；The outer surface leading portion of sealing ring is by the wave dentalation clamping of front housing, and behind the outer surface of sealing ring
Section is squeezed by inclined-plane hold-down segment and is compressed.
2. the waterproof construction of camera front and rear casing link position according to claim 1, it is characterised in that: before front housing
Section portion inner surface be equipped with one section of threaded joints, threaded joints be located at inclined-plane hold-down segment later and with inclined-plane hold-down segment phase
Neighbour, rear shell and the threaded joints are spirally connected fixation.
3. the waterproof construction of camera front and rear casing link position according to claim 2, it is characterised in that: the rear shell is also
It include screw thread barrel structure, thread barrel structure is located at the front end of cover board, and card slot is recessed between cover board and screw thread barrel structure
Within the two, the outer diameter of cover board is greater than the outer diameter of screw thread barrel structure；The screw thread that screw thread barrel structure protrudes into front housing front section connects
Be spirally connected in socket part with threaded joints fixation.
4. the waterproof construction of camera front and rear casing link position according to claim 1, it is characterised in that: in the card slot
Slot bottom by grinding process formed one circle frosting structure, frosting structure is opposite with wave dentalation, the inner wall of sealing ring
It is close to the frosting structure in face.
5. the waterproof construction of camera front and rear casing link position according to claim 1, it is characterised in that: inclined-plane hold-down segment
Nose thickness it is equal with the thickness of wave dentalation, the front end of wave dentalation holds out against the cover inner surface in rear shell.
6. the waterproof construction of camera front and rear casing link position according to claim 1, it is characterised in that: the card slot
Rectangular cross-section structure.
7. the waterproof construction of camera front and rear casing link position according to claim 1, it is characterised in that: the sealing ring
For rubber seal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921004743.0U CN209731427U (en) | 2019-06-28 | 2019-06-28 | A kind of waterproof construction of camera front and rear casing link position |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921004743.0U CN209731427U (en) | 2019-06-28 | 2019-06-28 | A kind of waterproof construction of camera front and rear casing link position |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209731427U true CN209731427U (en) | 2019-12-03 |
Family
ID=68675846
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921004743.0U Active CN209731427U (en) | 2019-06-28 | 2019-06-28 | A kind of waterproof construction of camera front and rear casing link position |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209731427U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114640779A (en) * | 2022-05-17 | 2022-06-17 | 杭州海康威视数字技术股份有限公司 | Image pickup apparatus |
-
2019
- 2019-06-28 CN CN201921004743.0U patent/CN209731427U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114640779A (en) * | 2022-05-17 | 2022-06-17 | 杭州海康威视数字技术股份有限公司 | Image pickup apparatus |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220802 Address after: 510000 self made room B, room 2506, No. 268, Dongfeng Middle Road, Yuexiu District, Guangzhou City, Guangdong Province (office only) Patentee after: Guangzhou Xunzhi optical equipment Co.,Ltd. Address before: 510000 No. a40, tops Zhongchuang office card booth, No. 11, caipin Road, Science City, high tech Industrial Development Zone, Guangzhou, Guangdong Patentee before: GUANGZHOU JUZHEN HEIGE SOFTWARE TECHNOLOGY PARTNERSHIP ENTERPRISE (L.P.) |
|
| TR01 | Transfer of patent right |