CN114710604B

CN114710604B - Camera sealing structure and camera

Info

Publication number: CN114710604B
Application number: CN202210303518.7A
Authority: CN
Inventors: 徐胜; 徐祥; 薛康
Original assignee: Hangzhou Hikvision Digital Technology Co Ltd
Current assignee: Hangzhou Hikvision Digital Technology Co Ltd
Priority date: 2022-03-24
Filing date: 2022-03-24
Publication date: 2024-03-01
Anticipated expiration: 2042-03-24
Also published as: CN114710604A

Abstract

The application provides a camera seal structure and camera. The camera seal structure includes: a camera body including a first side cover and a sealing ring; the first shell comprises a first containing cavity, one of the first shell and the first side cover comprises a sealing port, the other one of the first shell and the first side cover comprises a protruding sealing head, the sealing head is inserted into the sealing port, the sealing ring surrounds the sealing head and is clamped between the inner wall of the sealing port and the outer wall of the sealing head, and a gap between the sealing port and the sealing head is sealed, so that the first containing cavity is formed into a sealing cavity. The camera comprises the camera sealing structure; and one of the movement assembly and the light supplementing lamp assembly is accommodated in the first accommodating cavity. The camera sealing structure can realize sealing connection with external isolation between different cavities in the camera.

Description

Camera sealing structure and camera

Technical Field

The application relates to the field of cameras, in particular to a camera sealing structure and a camera.

Background

In order to monitor a monitored object in a multi-angle manner, some camera architectures currently use a main body in the middle and a light supplementing cavity and a movement cavity on two sides respectively. The camera cavities are commonly provided with a camera connecting structure, so that relative rotation between the camera cavities can be realized, but the connection of the cavities of a plurality of cameras is lack of a sealing structure, and part of cameras are required to be used in outdoor environments and can cause rainwater to infiltrate from the connection parts between the cavities.

Disclosure of Invention

The camera sealing structure can realize sealing connection with external isolation between different cavities in the camera.

The application provides a camera seal structure includes: a camera body including a first side cover and a sealing ring;

the first shell comprises a first containing cavity, one of the first shell and the first side cover comprises a sealing port, the other one of the first shell and the first side cover comprises a protruding sealing head, the sealing head is inserted into the sealing port, the sealing ring surrounds the sealing head and is clamped between the inner wall of the sealing port and the outer wall of the sealing head, and a gap between the sealing port and the sealing head is sealed, so that the first containing cavity is formed into a sealing cavity.

Further, a sealing groove is formed in the inner wall of the sealing port and/or the outer wall of the sealing head, and the sealing ring is arranged in the sealing groove.

Further, the first side cover comprises a main body part and a sealing part connected with the main body part, the thickness of the sealing part is larger than that of the main body part, the first side cover comprises a sealing opening, the sealing opening is formed in the sealing part, the first shell comprises a sealing head, and the sealing head is inserted into one end of the sealing opening in the thickness direction of the first side cover to exceed the first side cover.

Further, an annular groove extending around the sealing opening is formed in the surface of one side of the first side cover facing the first shell, the sealing groove is formed in the bottom wall of the groove, the annular sealing groove extends around the sealing opening to form an annular sealing groove, the sealing groove and the annular groove are coaxially arranged, and the radial size of the annular groove is larger than that of the sealing groove.

Further, the first side cover comprises a sealing cover covered on the groove, the sealing cover is an annular sealing cover, the radial dimension of the sealing cover is matched with the groove, one side of the sealing ring is propped against the bottom of the sealing groove, and the other side of the sealing ring is propped against the sealing cover.

Further, the camera main body further comprises a rotatable connecting shaft, the axis of the connecting shaft is consistent with the inserting direction of the sealing head and the sealing opening, and the connecting shaft is fixedly connected with the first shell.

Further, the connecting shaft includes a first end facing the first housing, the first housing includes a connecting portion facing the first end face, one of the connecting portions includes a first end and a positioning hole, the other one includes a positioning post, and the positioning hole is configured to be able to be in positioning engagement with the positioning post only when a front end of the first housing coincides with a front end direction of the camera body.

Further, the first shell comprises the sealing head, the sealing head is sleeved on the outer side of the first end, and the space where the first end is located is communicated with the first accommodating cavity.

Further, the camera sealing structure further comprises a second shell, the second shell comprises a second accommodating cavity, the camera body comprises a second side cover, and the second side cover is in sealing joint with the second shell, so that the second accommodating cavity forms a sealing cavity.

The application provides a camera, comprising the camera sealing structure; and one of the movement assembly and the light supplementing lamp assembly is accommodated in the first accommodating cavity.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the application.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the application and together with the description, serve to explain the principles of the application.

FIG. 1 is a schematic cut-away view of an embodiment of a camera of the present application;

FIG. 2 is a schematic view of a partial area a of the camera shown in FIG. 1;

FIG. 3 is a partially exploded perspective view of the camera seal structure of the camera shown in FIG. 1;

FIG. 4 is a side view of a portion of the camera sealing structure shown in FIG. 3;

FIG. 5 is a perspective view of a connecting shaft of the camera sealing structure of the camera shown in FIG. 1;

fig. 6 is another partially exploded perspective view of the camera sealing structure of the camera shown in fig. 1.

Detailed Description

Reference will now be made in detail to exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, the same numbers in different drawings refer to the same or similar elements, unless otherwise indicated. The implementations described in the following exemplary examples are not representative of all implementations consistent with the present application. Rather, they are merely examples of apparatus and methods consistent with some aspects of the present application as detailed in the accompanying claims.

The terminology used in the present application is for the purpose of describing particular embodiments only and is not intended to be limiting of the present application. Unless defined otherwise, technical or scientific terms used herein should be given the ordinary meaning as understood by one of ordinary skill in the art to which this application belongs. The terms "first," "second," and the like in the description and in the claims, are not used for any order, quantity, or importance, but are used for distinguishing between different elements. Likewise, the terms "a" or "an" and the like do not denote a limitation of quantity, but rather denote the presence of at least one. "plurality" or "plurality" means two or more. Unless otherwise indicated, the terms "front," "rear," "lower," and/or "upper" and the like are merely for convenience of description and are not limited to one location or one spatial orientation. The word "comprising" or "comprises", and the like, means that elements or items appearing before "comprising" or "comprising" are encompassed by the element or item recited after "comprising" or "comprising" and equivalents thereof, and that other elements or items are not excluded. The terms "connected" or "connected," and the like, are not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect.

The terminology used in the present application is for the purpose of describing particular embodiments only and is not intended to be limiting of the present application. As used in this application and the appended claims, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It should also be understood that the term "and/or" as used herein refers to and encompasses any or all possible combinations of one or more of the associated listed items.

Fig. 1 is a schematic cross-sectional view of an embodiment of a camera 1 of the present application; the application provides a camera 1, including camera seal structure 4, core subassembly 2 and light filling lamp subassembly 3, wherein camera seal structure 4 includes camera main part 41, first casing 43 and the first chamber 44 of acceping that first casing 43 contains, and camera main part 41 includes main part shell 411 and accommodates the subassembly such as battery, the viewfinder in main part shell 411, and the inside space of main part shell 411 is sealed space. One of the deck assembly 2 and the light filling lamp assembly 3 is accommodated in the first accommodating chamber 44. The camera body 41 comprises a first side cover 42 formed on one side of a body shell 411, the first side cover 42 is arranged opposite to one side of a first shell 43, the first side cover 42 in the camera sealing structure 4 is in sealing joint with the first shell 43, so that a sealing cavity is formed by a first accommodating cavity 44, and the camera sealing structure 4 can realize sealing connection between different cavities in the camera 1.

In the illustrated embodiment, the camera sealing structure 4 further includes a second housing 45, the second housing 45 includes a second receiving cavity 46, the camera body 41 includes a second side cover 47, the second side cover 47 is disposed adjacent to or opposite the first side cover 42, and disposed opposite one side of the second housing 45, and the second side cover 47 is in sealing engagement with the second housing 45 such that the second receiving cavity 46 forms a sealed cavity. In some embodiments, the first housing 43 and the second housing 45 are separated from each other on the left and right sides of the camera body 41, and other arrangements are possible in other embodiments. Referring to fig. 2, the light compensating lamp assembly 3 is accommodated in the first accommodating cavity 44 and disposed on the left side of the camera body 41; the deck assembly 2 is accommodated in the second accommodation chamber 46 and is disposed on the right side of the camera body 41. So, camera 1 of this application still includes core subassembly 2 and light filling lamp subassembly 3, and is rational in infrastructure, can use in the darker environment of light. Meanwhile, as the camera 1 of the application is in sealing connection with the camera body 41 through the camera sealing structure 4, the first accommodating cavity 44 and the second accommodating cavity 46 of the camera 1 are in sealing connection with the camera body 41, and the camera 1 of the application can be used outdoors.

Fig. 2 is a schematic view of a partial area a of the camera 1 shown in fig. 1; referring to fig. 1-2, the present application provides a camera sealing structure 4, comprising: a camera body 41 and a first housing 43, wherein the camera body 41 includes a first side cover 42 and a seal ring 48; the first housing 43 includes a first receiving chamber 44, one of the first housing 43 and the first side cover 42 includes a sealing port 421, the other includes a protruding sealing port 431, the sealing port 431 is inserted into the sealing port 421, the sealing ring 48 surrounds the sealing port 431 and is clamped between an inner wall of the sealing port 421 and an outer wall of the sealing port 431, and a gap between the sealing port 421 and the sealing port 431 is sealed, so that the first receiving chamber 44 is formed as a sealing chamber. So, sealing washer 48 closely fills the space between sealing head 431 and the sealing port 421, and water can not follow the space inflow, and the sealed connection with external isolation between the different cavitys in the camera 1 can be realized to the camera seal structure 4 of this application, and sealed reliable, and has reduced the use quantity of sealing washer. In the illustrated embodiment, the first housing 43 includes a sealing head 431, the sealing head 431 and the sealing port 421 may have a circular cross section, the sealing head 431 is inserted into the sealing port 421, and the sealing ring 48 is clamped between the inner wall of the sealing port 421 and the outer wall of the sealing head 431. In other embodiments, the sealing port 421 may be provided on the first housing 43, and the sealing head 431 is correspondingly provided on the first side cover 42 of the camera body 41, which is not limited in this application.

Fig. 3 is a partially exploded perspective view of the camera sealing structure 4 of the camera 1 shown in fig. 1;

fig. 4 is a side view of a portion of the camera sealing structure 4 shown in fig. 3. In some embodiments, the side of the sealing head 431 away from the sealing head 421 is provided with a reinforcing rib 4311, so that the strength of the camera sealing structure 4 is high and the reliability is high.

In some embodiments, the inner wall of sealing port 421 and/or the outer wall of sealing head 431 is provided with sealing groove 422, and sealing ring 48 is disposed within sealing groove 422. Thus, the sealing ring 48 can be well fixed, and cannot fall off in the installation process, and the camera sealing structure 4 is easy to install and reliable in sealing performance. In the illustrated embodiment, the sealing groove 422 is disposed on the inner wall of the sealing hole 421, the first side cover 42 includes a main body 426 and a sealing portion 423 connected to the main body 426, the thickness of the sealing portion 423 is greater than that of the main body 426, the first side cover 42 includes the sealing hole 421, the sealing hole 421 is disposed on the sealing portion 423, the sealing groove 422 is disposed on the sealing portion 423, and the sealing ring 48 is sleeved outside the sealing hole 431. Because seal 434 is made of a relatively high material, seal groove 422 may be conveniently formed in first side cover 42. In some embodiments, the thickness of the sealing portion 423 is greater than that of other portions of the first side cover 42, and the sealing opening 421 is provided at a portion of the first side cover 42 with a greater thickness, so that the strength of the first side cover 42 is greater, and the sealing head 431 is not easy to be damaged after being inserted.

In some embodiments, where the sealing portion 423 is relatively thick, the sealing groove 422 is provided at the sealing portion 423, the first case 43 includes a sealing head 431, and the sealing head 431 is inserted into one end of the sealing port 421 beyond the first side cover 42 in the thickness direction of the first side cover 42. This results in an increase in strength at the sealing port 421, an increase in the length of engagement of the sealing head 431 with the sealing port 421, a more stable sealing connection, and an increase in the carrying capacity of the camera body 41 at the sealing port 421. In the illustrated embodiment, the sealing portion 423 extends inward, the inner wall of the sealing portion 423 is matched with the outer wall of the sealing head 431, the sealing groove 422 is arranged at the sealing portion 423 and does not penetrate through the sealing portion 423, and the sealing ring 48 is sleeved outside the sealing head 431. Thus, seal groove 422 is prevented from falling off, and the camera sealing structure 4 of the present application is excellent in sealing performance.

In some embodiments, a side surface of first side cover 42 facing first housing 43 is provided with an annular groove 424 extending around sealing port 421, sealing groove 422 is provided at a bottom wall of groove 424, annular groove 422 is formed extending around sealing port 421, annular groove 424 is provided coaxially with annular groove 422, and a radial dimension of annular groove 424 is larger than a radial dimension of sealing groove 422. In some embodiments, the sealing ring 48 can be installed or detached from the outer side of the sealing port 421 to the camera sealing structure 4 of the present application, so that the camera sealing structure 4 of the present application is easy to install, and can be replaced after the sealing ring 48 is damaged, and the maintenance of the camera sealing structure 4 of the present application is high.

In some embodiments, first side cover 42 includes a seal cover 425 covering recess 424 therein, seal cover 425 being an annular seal cover, radially sized and shaped to mate with recess 424, seal ring 48 having one side bearing against the bottom of seal groove 422 and the other side bearing against seal cover 425. The sealing washer 48 of camera seal structure 4 can be firmly fixed in seal groove 422 by sealed lid 425, so this application camera seal structure 4 sealed effectual.

In some embodiments, the cross section of the sealing ring 48 is U-shaped, the opening is inward and is clamped between the sealing grooves 422, the bottom of the U-shaped sealing ring 48 faces the annular groove 424, one end seals the opening of the sealing groove 422 and clings to the surface of the sealing head 431, and the other end abuts against the bottom of the sealing groove 422, so that the sealing ring 48 can keep certain elasticity and clings to the surface of the sealing head 431, and the camera sealing structure 4 has long service life and high reliability.

In some embodiments, the thickness of first side cover 42 around seal port 421 is greater than the sum of the dimensions of seal groove 422 and groove 424 in this direction. That is, seal groove 422 does not penetrate first side cover 42, so that seal ring 48 is prevented from moving toward camera body 41, and the reliability of the seal is improved. The diameter of the inner wall of the first side cover 42 surrounding the sealing port 421 is equal to the diameter of the outer wall of the sealing port 431, and the portion of the first side cover 42 surrounding the sealing port 421, excluding the sealing groove 422 and the groove 424, is still of a certain thickness, so that a rigid support between the first side cover 42 and the first case 43 can be satisfied.

Fig. 5 is a perspective view of the connecting shaft 49 of the camera sealing structure 4 of the camera 1 shown in fig. 1; referring to fig. 3-5, in some embodiments, the camera body 41 further includes a rotatable connection shaft 49, an axis of the connection shaft 49 is consistent with an insertion direction of the sealing head 431 and the sealing port 421, and the connection shaft 49 is fixedly connected with the first housing 43. In some embodiments, the camera body 41 further includes a bearing 499 sleeved on the connecting shaft 49, and the first housing 43 can rotate with the connecting shaft 49 relative to the first side cover 42. Since the camera 1 of the present application further comprises a movement assembly 2 and/or a light filling lamp assembly 3. In this way, the movement assembly 2 and/or the light compensating lamp assembly 3 of the present application can rotate relative to the camera body 41 through the driving of the connecting shaft 49, so as to satisfy the use of the camera 1 in different environments, and the application range of the camera 1 of the present application is wide.

In some embodiments, the connecting shaft 49 includes a first end 491 facing the first housing 43, and the first housing 43 includes a connecting portion 432 facing the end of the first end 491. The first end 491 may be either the left or right end of the connecting shaft 49. In some embodiments, the connecting shaft 49 further includes a second end 492, the second end 492 being correspondingly coupled to the second housing 45. In the illustrated embodiment, the connecting portion 432 is provided on the sealing head 431, and the connecting portion 432 extends along the sealing head 431 toward the center of the circle, covers the sealing port 421, has a shape matching the shape of the end face of the first end 491 of the connecting shaft 49, and abuts against the end face of the first end 491. The connecting part 432 is provided with a connecting piece 4322, and the connecting part 432 is fixedly connected with the connecting shaft 49, so that the first housing 43 can rotate along with the connecting shaft 49. In some embodiments, the sealing head 431 is sleeved outside the first end 491, and since the camera body 41 is in a sealed state, the space where the first end 491 is located is communicated with the first accommodating cavity 44, and the first accommodating cavity 44 is formed as a sealed cavity.

In some embodiments, the connection portion 432 is provided with a connection hole 4321 and a connection member 4322, the end face of the first end 491 is provided with a mating hole 4911, the connection member 4322 passes through the connection hole 4321 to be fixed with the mating hole 4911, in the illustrated embodiment, the connection member 4322 is a screw, the mating hole 4911 is a threaded hole, the number of the connection member 4322 and the connection hole 4321 is four, the number of the mating hole 4911 is four, the mating hole 4911 is arranged on the end face of the first end 491 of the connection shaft 49 in a 90-degree array in a horizontal plane, so that the first shell 43 and the connection shaft 49 are firmly connected, and meanwhile, the first shell 43 is fixed with the first end 491 of the connection shaft 49 through the screw, and can be fixed through a conventional screwdriver, and the assembly and disassembly are convenient.

Since the seal head 431 is provided on the first housing 43, the seal port 421 is provided on the first end 491 surface, the connection portion 432 is provided on the side of the seal portion 423 of the seal head 431 near the first housing 43 and extends axially inward of the seal head 431, and the outer diameter of the connection shaft 49 is matched with the inner diameter of the seal portion 423 of the seal head 431

In some embodiments, one of the first end 491 and the connecting portion 432 is provided with a positioning hole 433, and the other is provided with a positioning post 4912, and the positioning hole 433 is provided so as to be capable of positioning-fit with the positioning post 4912 only when the front end of the first housing 43 coincides with the front end direction of the camera body 41. In the illustrated embodiment, the positioning post 4912 is provided on an end surface of the first end 491 of the connection post, the positioning hole 433 is provided on the connection portion 432, the positioning hole 433 is engaged with the positioning post 4912, and the positioning hole 433 is provided so as to be engaged with the positioning post 4912 only when the front end of the first housing 43 coincides with the front end direction of the camera main body 41. In this way, the initial position of the light compensating lamp assembly 3 and/or the movement assembly 2 of the camera 1 relative to the camera body 41 can be determined, so that the adjustment can be conveniently performed by rotating the rotating shaft in the subsequent use, and meanwhile, the fool-proof effect can be achieved, and the front-back reverse assembly of the first housing 43 is prevented.

In some embodiments, the connecting shaft 49 is a hollow shaft body with a wall thickness greater than the diameter of the connecting hole 4321; thus, the camera sealing structure 4 is material-saving and low in cost. In the illustrated embodiment, since the connection shaft 49 passes through the camera body 41 to connect the first housing 43 and the second housing 45, the connection shaft 49 further includes the escape portion 493, and the escape portion 493 is shaped to be matched with each component arrangement in the camera body 41, so that the connection shaft 49 can freely rotate in the camera body 41. In this way, the camera sealing structure 4 of the present application enables the first housing 43 and the second housing 45 to rotate relative to the camera body 41, so as to adapt to different use requirements.

Fig. 6 is another partially exploded perspective view of the camera sealing structure 4 of the camera 1 shown in fig. 1. In some embodiments, the camera 1 of the present application further comprises a movement assembly 2 and/or a light filling lamp assembly 3, the first case 43 further comprises a first case body 434 and a first case side cover 435 with a fastening screw 437 and a gasket 436 therebetween; the second housing 45 further includes a second housing 45 main body and a second housing 45 side cover, and the movement assembly 2 and/or the light compensating lamp assembly 3 provided to the first housing 43 can be replaced by detaching the first housing main body 434 and the first housing side cover 435 without detaching the camera sealing structure 4. In the illustrated embodiment, the sealing head 431 of the present application is disposed on the first housing body 434, and the first housing body 434 is in sealing connection with the camera body 41, so that the camera sealing structure 4 of the present application can achieve better sealing connection with the outside between the blind cavities.

In some embodiments, the camera sealing structure 4 of the present application is installed as follows: 1. the first housing side cover 435 is first secured to the vertical shaft by a fastening screw 437 (in some embodiments, a spot-screw or a chemically drop-resistant screw); 2. clamping the seal ring 48 into the annular groove 424; 3. the first housing body 434 is screw-fixed to the first housing side cover 435 to complete the assembly of the first housing 43. The camera sealing structure 4 has the advantages of less number of sealing rings 48 and high sealing reliability.

Other embodiments of the present application will be apparent to those skilled in the art from consideration of the specification and practice of the application disclosed herein. This application is intended to cover any variations, uses, or adaptations of the application following, in general, the principles of the application and including such departures from the present disclosure as come within known or customary practice within the art to which the application pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the application being indicated by the following claims.

It is to be understood that the present application is not limited to the precise arrangements and instrumentalities shown in the drawings, which have been described above, and that various modifications and changes may be effected without departing from the scope thereof. The scope of the application is limited only by the appended claims.

Claims

1. A camera seal structure, comprising:

the camera body comprises a body shell, a first side cover and a sealing ring, wherein the first side cover is formed on the body shell;

a first housing including a first receiving cavity, one of the first housing and the first side cover including a sealing port, the other including a protruding sealing head, the sealing head being inserted into the sealing port, the sealing ring surrounding the sealing head and being clamped between an inner wall of the sealing port and an outer wall of the sealing head, sealing a gap between the sealing port and the sealing head, so that the first receiving cavity is formed as a sealing cavity;

the camera main body further comprises a rotatable connecting shaft, the connecting shaft comprises a first end facing the first shell, the first shell comprises a connecting part opposite to the first end, one of the first end and the connecting part is provided with a positioning hole, the other one of the first end and the connecting part is provided with a positioning column, and the positioning hole is arranged so that the positioning hole can be matched with the positioning column in a positioning mode only when the front end of the first shell is consistent with the front end direction of the camera main body.

2. The camera seal structure according to claim 1, wherein a seal groove is provided in an inner wall of the seal port and/or an outer wall of the seal port, and the seal ring is provided in the seal groove.

3. The camera seal structure according to claim 2, wherein the first side cover includes a main body portion and a sealing portion connected to the main body portion, the sealing portion has a thickness greater than that of the main body portion, the first side cover includes the sealing port provided in the sealing portion, the first housing includes the sealing head, and the sealing head is inserted into one end of the sealing port beyond the first side cover in a thickness direction of the first side cover.

4. A camera sealing structure according to claim 3, wherein a side surface of the sealing portion facing the first housing is provided with an annular groove extending around the sealing port, the sealing groove is provided on a bottom wall of the groove, an annular sealing groove is formed around the sealing port, the sealing groove is coaxially provided with the annular groove, and a radial dimension of the annular groove is larger than a radial dimension of the sealing groove.

5. The camera sealing structure of claim 4, wherein the first side cover comprises a sealing cover arranged in the groove, the sealing cover is an annular sealing cover, one side of the sealing cover is pressed against the bottom of the sealing groove, and the other side of the sealing cover is pressed against the sealing cover.

6. The camera seal structure according to claim 1, wherein an axis of the connecting shaft is aligned with an insertion direction of the sealing head and the sealing port, and the connecting shaft is fixedly connected to the first housing.

7. The camera seal structure of claim 1, wherein the first housing includes the sealing head, the sealing head is sleeved outside the first end, and a space where the first end is located is communicated with the first accommodating cavity.

8. The camera seal structure of claim 1, further comprising a second housing, said second housing including a second receiving cavity, said camera body including a second side cover, said second side cover being in sealing engagement with said second housing such that said second receiving cavity forms a sealed cavity.

9. A video camera, comprising:

the camera seal structure of any one of claims 1-8; and

One of the movement assembly and the light supplementing lamp assembly is accommodated in the first accommodating cavity.