CN216646931U

CN216646931U - Lens and camera

Info

Publication number: CN216646931U
Application number: CN202122326623.6U
Authority: CN
Inventors: 郑丽云; 湛慧
Original assignee: Zhejiang Dahua Technology Co Ltd
Current assignee: Zhejiang Dahua Technology Co Ltd
Priority date: 2021-09-24
Filing date: 2021-09-24
Publication date: 2022-05-31
Anticipated expiration: 2031-09-24

Abstract

The utility model relates to a lens and a camera. This lens includes lens body and installation department, and the lens body sets up in the installation department, and the installation department includes first joint portion and clamp plate, and first joint portion is located the clamp plate. By providing the lens body to the mounting portion, the lens body can be mounted to the housing through the mounting portion. For the mode of shaft hole thread sealing connection that current dismouting process adopted, need not to screw in this lens installation. The problem that the stress of a sealing structure between the lens and the shell is uneven due to the screwing action in the process of mounting the lens on the shell is avoided. The lens is more efficient and convenient to disassemble through the buckle connection mode, the lens and the sealing structure are convenient to install on the shell, and the follow-up lens and the sealing structure are easier to maintain and replace.

Description

Lens and camera

Technical Field

The utility model relates to the technical field of camera shooting, in particular to a lens and a camera.

Background

With the continuous development of society, the field of imaging technology is gradually emphasized, and the number of camera devices corresponding to the field of imaging technology is gradually increased. The camera comprises a shell, a lens and a light supplement lamp, the light supplement lamp is used for supplementing light for the lens, a mounting hole is formed in the shell, and a lens is mounted in the mounting hole. Lens setting is in the outside of light filling lamp for the angle and the homogeneity of the light of adjustment light filling lamp.

The lens needs to be attached at the mounting hole to prevent external dust from entering the camera. The existing lens and the mounting hole are sealed through a sealing ring or glue, but the existing thread sealing and glue sealing modes have the problem of low assembly efficiency.

SUMMERY OF THE UTILITY MODEL

In view of the above technical problems, there is a need to provide a lens which is easy to assemble and reliable in sealing manner, and a camera having the lens.

The utility model provides a lens for a camera. Lens include lens body and installation department, the lens body set up in the installation department, the installation department includes first joint portion and clamp plate, first joint portion is located the clamp plate.

So set up, through setting up the lens body in the installation department to the lens body can be installed in the casing through the installation department. And then the first clamping part arranged on the mounting part is clamped with the shell. For the mode of shaft hole thread sealing connection that current dismouting process adopted, need not to screw in this lens installation. The problem that the stress of a sealing structure between the lens and the shell is uneven due to the screwing action in the process of mounting the lens on the shell is avoided. Therefore, the buckling connection mode can ensure the sealing effect of the sealing structure and has higher sealing reliability.

And compare in the point that current lens dismouting process adopted usually and glue sealing connection, this lens make the dismantlement more high-efficient convenient through the mode of buckle connection, and not only be convenient for lens and seal structure install in the casing, change in the maintenance of follow-up lens and seal structure and change.

In one embodiment of the present invention, the mounting portion further includes a fitting portion, and a step is formed between the pressing plate and the fitting portion; the lens body is arranged on one side departing from the assembling part;

the first clamping portion extends from one side, deviating from the assembling portion, of the pressing plate to form.

So set up, through the clamp plate that sets up at the installation department, not only can bear the weight of the lens body, also can make this clamp plate realize the crimping to seal structure, need not to fix seal structure through other modes or other structures, greatly promoted the convenience when installing seal structure.

Through the arranged assembling part, a step is formed between the assembling part and the pressure plate. So as to realize that the lens is matched with the shell structure through the step, and the lens is convenient to be positioned on the corresponding structure of the shell. So that mounting the lens to the housing is greatly facilitated. In addition, extend the formation with first joint portion from the one side of clamp plate back to assembly portion for first joint portion can with clamp plate integrated into one piece, not only guaranteed the reliability of being connected of first joint portion with the clamp plate, also be convenient for simplify production technology, reduce manufacturing cost.

In one embodiment of the present invention, the fitting portion is a boss formed to protrude from the pressure plate.

So set up, through setting up the assembly portion to the boss that the clamp plate protrusion formed, need not to increase production processes and technology and can form the assembly portion to the manufacturing of this assembly portion structure is convenient for.

In one embodiment of the present invention, the number of the first clamping portions is two, and the two first clamping portions are located on two sides of the lens and are symmetrically arranged with respect to the lens.

So set up, through setting up first joint portion into two to this first joint portion can firmly joint in the casing, has guaranteed the reliability of joint. Simultaneously, set up two first joint portions in the both sides of lens and about lens symmetry sets up for to crimping seal structure time, can make seal structure atress even.

In one embodiment of the utility model, each of the first clamping portions includes a cantilever and a clamping block, two ends of the cantilever are respectively connected to the clamping block and the pressing plate, and two clamping blocks of the two first clamping portions are arranged oppositely.

So set up, through the cantilever that sets up to extend the suitability of first joint portion. Avoid influencing lens and housing structure design because first joint portion. Through the fixture block that sets up to guarantee the reliability that first joint portion and casing are connected.

The utility model also provides a camera which comprises a shell and the lens, wherein the shell is provided with a mounting hole, the lens is arranged in the mounting hole, and the first clamping part of the lens is clamped in the shell.

In such an arrangement, the camera housing is provided with the mounting hole, so that the lens is mounted in the mounting hole, and the lens is conveniently connected with the housing.

In one embodiment of the present invention, the mounting portion further includes a pressing plate and a fitting portion, and a step is formed between the pressing plate and the fitting portion; the lens body is arranged on one side departing from the assembling part;

the casing still includes the supporting part, the supporting part certainly the inner wall of mounting hole extends, the step overlap joint in the supporting part.

So set up, through setting up the supporting part at the casing to the step that forms between clamp plate and the assembly part can overlap joint in this supporting part. Meanwhile, the arrangement of the supporting part is convenient for arranging an accommodating space for placing the sealing structure.

In one embodiment of the present invention, the camera further comprises a sealing ring, which is crimped between the pressing plate and the supporting portion.

In this arrangement, the camera is provided with the seal ring, and the seal ring can be directly pressed between the pressing plate and the support portion as a seal structure, so that the seal ring can be attached to the camera.

In one embodiment of the present invention, one of the housing and the pressure plate is provided with a groove, and the sealing ring is accommodated in the groove.

By the arrangement, no matter which one of the shell or the pressure plate is provided with the groove, and the sealing ring is accommodated in the groove, the sealing effect between the lens and the shell can be ensured. Meanwhile, the structural design of the lens and the shell is facilitated, and the groove can be arranged according to the obstructed application scenes to accommodate the sealing ring.

In one embodiment of the present invention, the housing further includes a second clamping portion, the second clamping portion is clamped and matched with the first clamping portion, and the second clamping portion is provided with a clamping groove; the first clamping portion is clamped in the clamping groove.

So set up, through the draw-in groove that sets up in second joint portion to realize the fixture block joint of first joint portion in the draw-in groove, guarantee the reliability of first joint portion and second joint portion joint.

Drawings

FIG. 1 is a schematic perspective view of a camera housing with a lens according to an embodiment of the present invention;

FIG. 2 is an exploded view of a camera housing with a lens according to an embodiment of the present invention;

FIG. 3 is a schematic view of a lens structure according to an embodiment of the present invention;

FIG. 4 is a schematic cross-sectional view of a camera housing with a lens according to an embodiment of the present invention;

FIG. 5 is an enlarged view of the structure at A in FIG. 4;

FIG. 6 is a schematic perspective view of a camera housing;

fig. 7 is an enlarged schematic view of the structure at B in fig. 6.

Reference numerals: 100. a lens; 10. a lens body; 20. an installation part; 21. a first clamping part; 211. a cantilever; 212. a clamping block; 22. pressing a plate; 23. an assembling portion; 300. a housing; 31. a second clamping part; 311. a card slot; 32. mounting holes; 321. a support portion; 33. a lens hole; 400. and (5) sealing rings.

Description of the main elements

The present invention is described in further detail with reference to the drawings and the detailed description.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the 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.

It will be understood that when an element is referred to as being "mounted on" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. When an element is referred to as being "secured to" another element, it can be directly secured to the other element or intervening elements may also be present.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the utility model herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. As used herein, the term "or/and" includes any and all combinations of one or more of the associated listed items.

In view of the above technical problems, it is necessary to provide a lens with convenient assembly, and the lens 100 is convenient to assemble and reliable in sealing manner, and also provide a camera having the lens 100.

As shown in fig. 1 to 3, a lens 100 for a camera according to the present invention is provided. Lens 100 includes lens body 10 and installation department 20, and lens body 10 sets up in installation department 20, and installation department 20 includes first joint portion 21 and clamp plate 22, and first joint portion 21 is located clamp plate 22.

It is understood that the lens body 10 is mounted to the housing 300 through the mounting portion 20 by providing the lens body 10 to the mounting portion 20. The first clamping portion 21 is disposed on the mounting portion 20, so that the first clamping portion 21 of the lens 100 is clamped with the housing 300. Compared with the mode of shaft hole thread sealing connection adopted in the existing dismounting process, the lens 100 does not need to be screwed in the mounting process. The problem of uneven stress on the sealing structure between the lens 100 and the housing 300 caused by the screwing action in the process of mounting the lens 100 on the housing 300 is avoided. Therefore, the buckling connection mode can ensure the sealing effect of the sealing structure and has higher sealing reliability.

In addition, compared with the glue dispensing sealing connection commonly adopted in the existing lens 100 dismounting process, the lens 100 is more efficient and convenient to dismount through the buckling connection mode, the lens 100 and the sealing structure are convenient to mount on the shell 300, and the follow-up maintenance and replacement of the lens 100 and the sealing structure are easier.

Specifically, the lens 100 is disposed near the lens hole 33 of the housing 300 to supplement light to the camera lens. The lens body 10 is connected to the mounting portion 20, but the connection mode of the lens body 10 and the mounting portion 20 is not limited in the present invention, and may be glue joint, clamping or other connection modes, and the lens body 10 and the mounting portion 20 may also be integrally formed. In the present embodiment, the lens body 10 is centrally provided in the mounting portion 20. It will be appreciated that the shape of the lens 100 should be adapted to the shape of the housing 300. In the present embodiment, the position of the housing 300 where the lens 100 is pre-installed is an oval shape. Therefore, the lens 100 should also be configured to have an oval shape matching the oval shape, and the shape of the lens 100 is not particularly limited in the present invention, and may be circular, or may have other shapes as long as the lens can be adapted to the structural shape of the housing 300.

As shown in fig. 3 to 5, the mounting portion 20 further includes a pressing plate 22 and a fitting portion 23, and a step is formed between the pressing plate 22 and the fitting portion 23; the lens body 10 is arranged on the side away from the assembling part 23; the first clamping portion 21 is formed by extending from one side of the pressing plate 22, which is far away from the assembling portion 23.

It will be appreciated that the pressure plate 22 is provided on the mounting portion 20. The pressing plate 22 can not only bear the lens body 10 but also press-contact the pressing plate 22 against the sealing structure. Need not to fix seal structure through other modes or other structures, convenience when having greatly promoted installation seal structure.

It is worth mentioning that a step is formed by the fitting portion 23 and the fitting portion 23 provided between the pressing plate 22. So that the lens 100 is matched with the structure of the housing 300 through the step, and the lens 100 is positioned in the corresponding structure of the housing 300. Thereby enabling the lens 100 to be conveniently mounted to the housing 300. In addition, extend one side that deviates from assembly portion 23 with first joint portion 21 from clamp plate 22 and form for first joint portion 21 can with clamp plate 22 integrated into one piece, not only guaranteed first joint portion 21 and clamp plate 22's reliability of being connected, also be convenient for simplify production technology, reduce manufacturing cost.

Specifically, the fitting portion 23 is a boss formed to protrude from the pressing plate 22. By providing the fitting portion 23 as a convex boss formed by projecting the pressing plate 22, the fitting portion 23 can be formed without increasing the number of production processes and processes, so that the production and manufacturing of the structure of the fitting portion 23 can be facilitated.

As shown in fig. 4 to 5, the first clamping portions 21 are provided in two, and the two first clamping portions 21 are located at two sides of the lens 100 and are symmetrically provided with respect to the lens 100. Through setting up first joint portion 21 to two to this first joint portion 21 can firmly joint in casing 300, has guaranteed the reliability of joint. Meanwhile, the two first clamping parts 21 are arranged on two sides of the lens 100 and symmetrically arranged relative to the lens 100, so that the sealing structure is stressed uniformly. It is understood that the first clamping portion 21 may be provided in a plurality, such as three or four and more, to enhance the reliability of the connection between the lens 100 and the housing 300.

Further, each first clamping portion 21 includes a cantilever 211 and a fixture block 212, two ends of the cantilever 211 are respectively connected to the fixture block 212 and the pressing plate 22, and the two fixture blocks 212 of the two first clamping portions 21 are disposed opposite to each other. The applicability of the first clamping part 21 is expanded through the arranged cantilever 211. The structural design of the lens 100 and the housing 300 is not affected by the first clamping part 21. The reliability of the connection between the first clamping part 21 and the housing 300 is ensured by the arranged clamping block 212.

The utility model also provides a camera, which comprises a shell 300 and the lens 100, wherein the shell 300 is provided with a mounting hole 32, the lens 100 is arranged in the mounting hole 32, and the first clamping part 21 of the lens 100 is clamped in the shell 300. By providing the camera housing 300 with the mounting hole 32, the lens 100 is mounted in the mounting hole 32, thereby facilitating the connection between the lens 100 and the housing 300.

Specifically, the housing 300 further includes a support portion 321, the support portion 321 extends from an inner wall of the mounting hole 32, and the step overlaps the support portion 321. By providing the support portion 321 in the housing 300, the step formed between the pressing plate 22 and the fitting portion 23 can be engaged with the support portion 321. Meanwhile, the supporting portion 321 is also convenient to provide an accommodating space for accommodating the sealing structure.

Further, the camera further includes a sealing ring 400, and the sealing ring 400 is pressed between the pressing plate 22 and the supporting portion 321. By providing the camera with the seal ring 400, the seal ring 400 can be directly pressed between the platen 22 and the support portion 321 as a seal structure, so that the seal ring 400 can be attached to the camera.

As shown in fig. 5 to 7, one of the housing 300 and the pressure plate 22 is recessed, and the sealing ring 400 is received in the recess. It will be appreciated that the sealing action between the lens 100 and the housing 300 is ensured regardless of which of the housing 300 or the pressure plate 22 is recessed and the sealing ring 400 is received in the recess. And also facilitates the structural design of the lens 100 and the housing 300. Therefore, the groove may be configured to accommodate the sealing ring 400 according to different application scenarios.

Further, the housing 300 further includes a second clamping portion 31, and the second clamping portion 31 is clamped and matched with the first clamping portion 21. Through set up second joint portion 31 at casing 300, cooperate second joint portion 31 and first joint portion 21 joint, the joint cooperation of lens 100 and casing 300 of being convenient for.

Specifically, the second engaging portion 31 is provided with an engaging slot 311; the first engaging portion 21 engages with the engaging groove 311. Through the clamping groove 311 arranged on the second clamping portion 31, the clamping block 212 of the first clamping portion 21 is clamped in the clamping groove 311, and the clamping reliability of the first clamping portion 21 and the second clamping portion 31 is ensured. Preferably, an assembling bevel may be provided at the connection between the latch 212 and the cantilever 211 so as to clip the latch 212 to the clip slot 311.

It is understood that the lens 100 and the housing 300 are generally made of resin and plastic having elasticity. Therefore, the first engaging portion 21 and the second engaging portion 31 have certain elasticity. When the lens 100 needs to be installed in the housing 300, the sealing ring 400 is installed in the groove of the supporting portion 321, and then the cantilevers 211 of the two first fastening portions 21 are pressed toward the direction close to the lens body 10 or the two second fastening portions 31 are pressed toward the direction away from the lens body.

The technical features of the above embodiments can be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the above embodiments are not described, but should be considered as the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above examples only show some embodiments of the present invention, and the description thereof is more specific and detailed, but not to be construed as limiting the scope of the utility model. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims

1. The utility model provides a lens for camera, its characterized in that, lens (100) include lens body (10) and installation department (20), lens body (10) set up in installation department (20), installation department (20) include first joint portion (21) and clamp plate (22), first joint portion (21) are located clamp plate (22).

2. The lens of claim 1, wherein the mounting portion (20) further comprises a fitting portion (23), the pressing plate (22) and the fitting portion (23) forming a step therebetween; the lens body (10) is arranged on one side departing from the assembling part (23);

the first clamping portion (21) extends from one side, deviating from the assembling portion (23), of the pressing plate (22).

3. The lens of claim 2, wherein the fitting portion (23) is a boss formed to protrude from the pressing plate (22).

4. The lens of claim 2, wherein the first snap-in portions (21) are two, and the two first snap-in portions (21) are located on two sides of the lens body (10) and are symmetrically arranged with respect to the lens body (10).

5. The lens of claim 4, wherein each of the first engaging portions (21) comprises a cantilever (211) and a latch (212), two ends of the cantilever (211) are respectively connected to the latch (212) and the pressing plate (22), and the two latches (212) of the two first engaging portions (21) are disposed opposite to each other.

6. A camera, comprising a housing (300) and the lens (100) as claimed in any one of claims 1 to 5, wherein the housing (300) has a mounting hole (32), the lens (100) is disposed in the mounting hole (32), and the first engaging portion (21) of the lens (100) is engaged with the housing (300).

7. The camera according to claim 6, wherein the mounting portion (20) further comprises a pressing plate (22) and a fitting portion (23), the pressing plate (22) and the fitting portion (23) forming a step therebetween; the lens body (10) is arranged on one side departing from the assembling part (23);

the housing (300) further comprises a support portion (321), the support portion (321) extends from the inner wall of the mounting hole (32), and the step is lapped on the support portion (321).

8. The camera of claim 7, further comprising a sealing ring (400), the sealing ring (400) being crimped between the pressure plate (22) and the support portion (321).

9. The camera of claim 8, wherein one of the housing (300) and the pressure plate (22) is recessed, the seal ring (400) being received in the recess.

10. The camera according to claim 6, wherein the housing (300) further comprises a second snap-in portion (31), the second snap-in portion (31) snap-fits with the first snap-in portion (21);

the second clamping portion (31) is provided with a clamping groove (311), and the first clamping portion (21) is clamped in the clamping groove (311).