CN216595855U - Underwater camera barrel and underwater camera - Google Patents
Underwater camera barrel and underwater camera Download PDFInfo
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- CN216595855U CN216595855U CN202122800201.8U CN202122800201U CN216595855U CN 216595855 U CN216595855 U CN 216595855U CN 202122800201 U CN202122800201 U CN 202122800201U CN 216595855 U CN216595855 U CN 216595855U
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- glass plate
- end cover
- underwater camera
- barrel
- hole section
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Abstract
The utility model discloses an underwater camera barrel and an underwater camera, wherein the underwater camera barrel comprises a barrel body, a glass plate and a pressing plate, an end cover is arranged on one side face of the barrel body, a through hole for mounting the glass plate is formed in the end cover, the glass plate is in a frustum shape, the diameter of the glass plate is gradually reduced from the outer side to the inner side of the barrel body, the shape of the through hole in the end cover is matched with that of the glass plate, the aperture of the through hole is gradually reduced from the outer side to the inner side of the barrel body, the peripheral surface of the glass plate is in sealed connection with the wall of the through hole in the end cover through a sealant, the pressing plate is arranged on the outer side face of the end cover and is fixedly connected with the end cover, the through hole with the diameter smaller than that of the glass plate is formed in the position, corresponding to the glass plate, and the glass plate is tightly pressed through the pressing plate. According to the cylinder body of the underwater camera, when the underwater camera works underwater, the pressure direction of the pressing plate on the glass plate is consistent with the water pressure direction, so that the sealing performance around the glass plate can be further enhanced under the action of water pressure.
Description
Technical Field
The utility model relates to the technical field of camera assemblies, in particular to an underwater camera barrel and an underwater camera.
Background
The underwater camera is widely applied to the fields of aquaculture, marine ranching, deep sea cage culture monitoring, marine ecological investigation, ship maintenance, underwater engineering and the like. The underwater camera is a video recording device used underwater, and the underwater camera has high waterproof performance because of high water pressure.
Among the prior art, the mounting means of the glass board on the camera barrel compresses tightly fixedly through the inboard clamp plate of barrel, sealed glue between rethread glass board and the barrel seals, this kind of camera barrel is after getting into the ocean or lake, hydraulic direction is opposite with the pressure direction of clamp plate, the water pressure direction is inboard towards the barrel, and the clamp plate is the direction from the barrel inboard towards the barrel outside to the pressure direction of glass board, therefore the clamp plate takes place to warp easily when water pressure is too big or long-term the use, lead to the glass board problem of leaking appearing around, lead to the damage of camera under water, therefore need improve current camera barrel, in order to promote the leakproofness of camera barrel.
Disclosure of Invention
A first object of the present invention is to provide an underwater camera cylinder capable of detecting the weight efficiency and resistance of a filter, in order to solve the problems of the prior art that the pressure direction of a pressing plate of the underwater camera cylinder to a glass plate is opposite to the water pressure direction, the pressing plate is easy to deform, and the sealing performance around the glass plate is reduced.
In order to achieve the purpose, the utility model is realized by the following technical scheme: the underwater camera barrel comprises a barrel body, a glass plate and a pressing plate, wherein an end cover is arranged on one side face of the barrel body, a through hole for installing the glass plate is formed in the end cover, the glass plate is in a frustum shape, the diameter of the glass plate is gradually reduced from the outer side to the inner side of the barrel body, the shape of the through hole in the end cover is matched with that of the glass plate, the aperture of the through hole is gradually reduced from the outer side to the inner side of the barrel body, the outer peripheral face of the glass plate is in sealing connection with the wall of the through hole in the end cover through a sealant, the pressing plate is arranged on the outer side face of the end cover and fixedly connected with the end cover, the through hole with the diameter smaller than the glass plate is formed in the position, corresponding to the glass plate, of the pressing plate, and the glass plate is pressed tightly through the pressing plate.
As a further improvement of the underwater camera cylinder, the end cover and the cylinder are integrally formed or welded. Through the arrangement, the connection between the end cover and the cylinder body is firmer.
As a further improvement of the underwater camera cylinder, the through hole in the end cover comprises an outer frustum-shaped hole section and a cylindrical hole section, the diameter of the cylindrical hole section is smaller than the minimum diameter of the outer frustum-shaped hole section, a limiting step surface is formed at the connecting part of the cylindrical hole section and the outer frustum-shaped hole section, and the limiting step surface can limit the inner side surface of the glass plate. Through setting up cylindrical hole section, form spacing step face at the position of cylindrical hole section and the connection of outer frustum shape hole section, support and spacing to the glass board on the medial surface of glass board, decompose the pressure between the outer peripheral face of glass board and the through-hole wall on the end cover on most to spacing step face, prevent near the outer peripheral face of glass board and take place cracked under the high pressure effect under water.
As a further improvement of the underwater camera cylinder, an annular groove is formed in the position, close to the outer frustum-shaped hole section, on the limiting step surface, and the outer peripheral surface and the bottom surface of the glass plate are in sealing connection with the portion, corresponding to the annular groove, through sealant. With this arrangement, a seal can be formed near the corner portion where the stopper step surface and the glass plate are in contact, and the sealing performance between the glass plate and the end cap can be further improved.
As a further improvement of the underwater camera cylinder, the through hole on the end cover further comprises an inner frustum-shaped hole section, the inner frustum-shaped hole section is arranged at the inner side part of the cylindrical hole section, and the diameter of the inner frustum-shaped hole section is gradually enlarged from the cylindrical hole section to the inner diameter of the cylinder. Through setting up interior frustum shape hole section, the loss is lower when making light propagate from outside to inside, improves the definition of making a video recording under water.
As a further improvement of the underwater camera cylinder, an installation flange surface is arranged at an opening on one side of the cylinder, which is far away from the end cover. The installation of the flange surface is convenient for the fixed connection of the cylinder body and other underwater camera assemblies.
The second invention aims to provide an underwater camera which adopts the underwater camera cylinder body in the scheme.
The utility model has the positive effects that: 1) according to the cylinder body of the underwater camera, the installation mode of the glass plate on the end cover is improved, so that the pressure direction of the pressing plate on the glass plate is consistent with the water pressure direction of the underwater camera during underwater work, and the sealing performance of the underwater camera during underwater work is further enhanced under the action of the water pressure; 2) according to the underwater camera barrel, the pressing plate and the glass plate can be mounted on the outer side surface of the end cover, the end cover and the barrel are welded through the design, then the glass plate and the pressing plate are assembled, the interference of the components to welding is avoided, meanwhile, the assembly operation of the pressing plate and the glass plate is simplified, and meanwhile, the underwater camera barrel is also applicable to the mounting mode of the pressing plate and the glass plate of the structure that the end cover and the barrel are integrally formed; 3) according to the underwater camera barrel, the shape of the glass plate is changed into a frustum shape from a cylindrical shape, the contact surface between the peripheral surface of the glass plate and the through hole wall of the end cover is larger, the sealing distance is longer, and the sealing performance can be further improved.
Drawings
Fig. 1 is a schematic structural view of an underwater camera barrel of the present invention.
Fig. 2 is a schematic sectional view along the line a-a in fig. 1.
Fig. 3 is a partially enlarged schematic view of a portion I in fig. 2.
The reference numerals in the figures are as follows: the device comprises a cylinder body 1, a glass plate 2, a pressing plate 3, an end cover 4, a through hole 41, an outer frustum-shaped hole section 411, a cylindrical hole section 412, a limiting step face 413, an annular groove 414, an inner frustum-shaped hole section 415, a flange connecting face 5 and a bolt 6.
Detailed Description
The technical solutions of the present invention are described clearly and completely by the following embodiments, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1-3, the underwater camera cylinder of the present invention comprises a cylinder 1, a glass plate 2 and a pressing plate 3.
The barrel 1 is an integrally formed cylindrical barrel, and the barrel can be made of stainless steel materials usually.
An end cover 4 is arranged at an opening at one side of the cylinder body 1, and the end cover 4 is integrally formed with the cylindrical cylinder body or is connected with the cylindrical cylinder body in a welding mode. The end cover is welded, a positioning step surface is arranged on the connecting surface of the end cover 4 and the cylinder body 1, the positioning precision between the end cover 4 and the cylinder body 1 is higher through the positioning step surface, and the end cover 4 and the cylinder body 1 are connected more firmly after welding.
A flange connecting surface 5 is arranged at the opening of the other side of the cylinder body 1, and a plurality of assembling holes are formed in the flange connecting surface 5, so that the cylinder body can be conveniently connected with other underwater camera assemblies.
The end cover 4 may be provided with a plurality of through holes 41 according to the design of the underwater camera, and the number of the through holes 41 is designed according to the number of the lenses of the underwater camera and the distribution design of the lenses, for example, the number of the through holes is 3 in fig. 1-2. The through-hole is used for assembling the glass plate. The through-hole comprises an outer frustum-shaped hole section 411, the depth of the outer frustum-shaped hole section 411 being matched with the thickness of the glass plate 2.
As a further improvement of the through hole structure of the end cap 4, a cylindrical hole section 412 is provided inside the outer frustum-shaped hole section 411. The diameter of the cylindrical hole section 412 is smaller than the minimum diameter of the outer frustum-shaped hole section 411, a limiting step surface 413 is formed at the connecting part of the cylindrical hole section 412 and the outer frustum-shaped hole section 411, and the limiting step surface 413 can limit the inner side surface of the glass plate. The further improvement of the improved scheme is that an annular groove 414 is arranged on the position, close to the inner wall of the outer frustum-shaped hole section 411, of the limiting step surface, and the parts, corresponding to the annular groove 414, of the outer peripheral surface and the bottom surface of the glass plate 2 are connected in a sealing mode through sealing glue.
As a further improvement of the through hole structure of the end cap 4, an inner frustum-shaped hole section 415 is provided inside the cylindrical hole section 412, the inner frustum-shaped hole section 415 is provided at an inner side portion of the cylindrical hole section 412, and the hole diameter of the inner frustum-shaped hole section 415 is gradually enlarged from the cylindrical hole section 412 toward the inside of the cylinder 1.
The glass plate 2 is a frustum-shaped glass plate, and the diameter of the glass plate 2 gradually decreases from the outer side to the inner side of the cylinder 1. The thickness and taper of the glass plate 2 match the outer frustoconical hole section 411 of the through hole 41 in the end cap 4.
The pressing plate 3 is an integrally formed pressing plate or a local metal pressing plate, and the pressing plate 3 is fixedly connected with the end cover 4 through a bolt 6. The integrally formed pressing plate is provided with a through hole at a position corresponding to the glass plate 2 on the pressing plate, and the diameter of the through hole is smaller than that of the glass plate 2, so that limiting pressure is provided for the glass plate 2. For the local metal pressing plate, the metal pressing plate is fixedly arranged at the position of the glass plate 2 through a bolt 6, the middle part of the pressing plate 3 is arranged in a through hole corresponding to the glass plate 2, and the aperture of the through hole is smaller than the diameter of the glass plate 2. In order to increase the confining pressure of the press plate 3 against the glass plates 2, bolts are arranged around the respective glass plates.
The underwater camera barrel can be used for underwater cameras with high waterproof sealing requirements. According to the underwater camera barrel, the through hole for mounting the glass plate on the end cover is of a three-section structure, the outer side of the through hole is provided with the outer frustum-shaped hole section, and the thickness and the taper of the through hole are consistent with those of the glass plate. The middle part is set as a cylindrical hole section, a limit step surface is formed at the connecting part of the cylindrical hole section and the outer frustum-shaped hole section, an annular groove is arranged at the position, close to the outer frustum-shaped hole section, on the limit step surface, after the glass plate is placed in the outer frustum-shaped hole section, sealant is filled between the outer peripheral surface of the glass plate and the annular groove and between the bottom surface of the glass plate and the annular groove by the sealant, so that the glass plate is hermetically connected with the end cover. The limiting step surface is arranged, so that the glass plate can be supported and limited on the end surface of the inner side of the glass plate, most of pressure between the peripheral surface of the glass plate and the through hole wall on the end cover is decomposed to the limiting step surface, and the peripheral surface of the glass plate is prevented from being broken under the action of underwater high pressure. The annular groove is arranged at the edge part of the contact between the limiting step surface and the glass plate, so that the sealing performance between the glass plate and the end cover can be further improved. The inner side of the through hole for installing the glass plate on the end cover is provided with the inner frustum-shaped hole section, so that the loss of light is lower when the light is transmitted from outside to inside, and the definition of underwater shooting is improved.
According to the underwater camera barrel, the glass plate is installed in an externally-mounted mode, so that the glass plate and the pressing plate can be assembled after the end cover and the barrel are welded conveniently through the design, the interference of the components to welding is avoided, the assembling operation of the pressing plate and the glass plate is simplified, and the underwater camera barrel is also suitable for an underwater camera structure with the end cover and the barrel integrally formed. According to the cylinder body of the underwater camera, the installation mode of the glass plate on the end cover is improved, so that the pressure direction of the pressing plate on the glass plate is consistent with the water pressure direction of the underwater camera during underwater work, and the sealing performance of the underwater camera during underwater work is further enhanced under the action of the water pressure. According to the underwater camera barrel, the shape of the glass plate is changed from cylindrical to frustum shape, the contact surface between the peripheral surface of the glass plate and the through hole wall of the end cover is larger, the sealing distance is longer, and the sealing performance can be further improved.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. An underwater camera barrel, characterized in that: the glass plate pressing device comprises a barrel, a glass plate and a pressing plate, wherein an end cover is arranged on one side face of the barrel, a through hole for installing the glass plate is formed in the end cover, the glass plate is frustum-shaped, the diameter of the glass plate is gradually reduced from the outer side to the inner side of the barrel, the shape of the through hole in the end cover is matched with the shape of the glass plate, the aperture of the through hole is gradually reduced from the outer side to the inner side of the barrel, the outer peripheral face of the glass plate is in sealing connection with the wall of the through hole in the end cover through a sealant, the pressing plate is arranged on the outer side face of the end cover, the pressing plate is fixedly connected with the end cover, the through hole with the diameter smaller than the glass plate is formed in the position, corresponding to the glass plate, of the pressing plate, and the glass plate is pressed tightly through the pressing plate.
2. The underwater camera barrel of claim 1, wherein: the end cover and the cylinder body are integrally formed or welded.
3. The underwater camera barrel of claim 1, wherein: the through hole on the end cover comprises an outer frustum-shaped hole section and a cylindrical hole section, the diameter of the cylindrical hole section is smaller than the minimum diameter of the outer frustum-shaped hole section, a limiting step surface is formed at the connecting part of the cylindrical hole section and the outer frustum-shaped hole section, and the limiting step surface can limit the inner side surface of the glass plate.
4. The underwater camera barrel of claim 3, wherein: the position of the limiting step surface, which is close to the outer frustum-shaped hole section, is provided with an annular groove, and the peripheral surface and the bottom surface of the glass plate are hermetically connected with the corresponding part of the annular groove through sealant.
5. The underwater camera barrel of claim 3, wherein: the through hole on the end cover further comprises an inner frustum-shaped hole section, the inner frustum-shaped hole section is arranged at the inner side portion of the cylindrical hole section, and the aperture of the inner frustum-shaped hole section is gradually enlarged from the cylindrical hole section to the inner diameter of the cylinder body.
6. The underwater camera barrel of claim 3, wherein: an opening at one side of the cylinder body, which is far away from the end cover, is provided with an installation flange surface.
7. An underwater camera, characterized by: the underwater camera adopts the underwater camera cylinder body of any one of the claims 1 to 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122800201.8U CN216595855U (en) | 2021-11-16 | 2021-11-16 | Underwater camera barrel and underwater camera |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122800201.8U CN216595855U (en) | 2021-11-16 | 2021-11-16 | Underwater camera barrel and underwater camera |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216595855U true CN216595855U (en) | 2022-05-24 |
Family
ID=81644683
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122800201.8U Active CN216595855U (en) | 2021-11-16 | 2021-11-16 | Underwater camera barrel and underwater camera |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216595855U (en) |
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2021
- 2021-11-16 CN CN202122800201.8U patent/CN216595855U/en active Active
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