CN216559545U

CN216559545U - Camera lens water tightness detection device

Info

Publication number: CN216559545U
Application number: CN202122511973.XU
Authority: CN
Inventors: 罗仕元; 叶华涛; 林伟强; 周瑞平
Original assignee: Dongguan Yutong Optical Technology Co Ltd
Current assignee: Dongguan Yutong Optical Technology Co Ltd
Priority date: 2021-10-19
Filing date: 2021-10-19
Publication date: 2022-05-17
Anticipated expiration: 2031-10-19

Abstract

The utility model belongs to the technical field of lens detection, and discloses a lens water tightness detection device which comprises a base, a sealing assembly and a fastener, wherein the base is provided with an accommodating groove and an air guide channel, the air guide channel is communicated with the accommodating groove, the sealing assembly comprises a first sealing piece and a second sealing piece, the first sealing piece is sleeved at the end part of the base, the second sealing piece tightly presses a lens in the accommodating groove, a first water placing hole is formed in the position, corresponding to a lens of the lens, of the second sealing piece, the lens abuts against the bottom of the first water placing hole, the fastener is connected to the base, the first sealing piece is tightly clamped between the fastener and the base, and the fastener tightly presses the second sealing piece on the base. The lens to be detected is placed in the containing groove, the air guide channel provides air flow to the containing groove, the first water placing hole contains liquid, and the watertightness of the lens can be judged by observing whether bubbles exist in the liquid, so that the structure is simple; and the first sealing element and the second sealing element can realize secondary sealing, so that the sealing property is improved.

Description

Camera lens water tightness detection device

Technical Field

The utility model relates to the technical field of lens detection, in particular to a lens water tightness detection device.

Background

The camera lens needs certain waterproof grade, and when being in humid environment because of the camera, steam and dust get into the protective housing easily, lead to equipment to be hazy, cover dirt, damage, influence equipment user state and life. Therefore, the lens needs to be subjected to water tightness detection to judge whether the product meets the waterproof grade requirement. On one hand, the existing detection device has a complex structure; on the other hand, the water tightness of the lens is detected by a bubble method, but the detection device has poor sealing performance, so that misdetection and misjudgment are easily caused, or water leakage of the detection device is easily caused.

Based on the above current situation, it is urgent to design a lens water tightness detection device to solve the above problems.

SUMMERY OF THE UTILITY MODEL

One object of the present invention is: provided is a lens water tightness detection device which is simple in structure and improved in sealing performance.

In order to achieve the purpose, the utility model adopts the following technical scheme:

a lens water-tightness detecting device, comprising:

the base is provided with an accommodating groove and an air guide channel, the air guide channel is communicated with the accommodating groove, the air guide channel can provide air flow, and a lens to be detected can be placed in the accommodating groove;

the sealing assembly comprises a first sealing element and a second sealing element, the first sealing element is sleeved at the end part of the base, the second sealing element covers and tightly presses the lens in the accommodating groove, a first water containing hole is formed in the position, corresponding to the lens of the lens, of the second sealing element, the lens abuts against the bottom of the first water containing hole, and therefore liquid can be contained in the first water containing hole;

and the fastener is connected to the base, the first sealing piece is clamped between the fastener and the base, and the fastener presses the second sealing piece on the base to seal a gap between the periphery of the lens and the base.

As a preferable scheme, a protruding ring is arranged on the base, the protruding ring is located on the periphery of the accommodating groove, and the second sealing element elastically abuts against the protruding ring.

As a preferable scheme, the sealing assembly further comprises a supporting member, the second sealing member is connected to the bottom of the supporting member, a second water placing hole is formed in the supporting member, the second water placing hole is communicated with the first water placing hole, and the fastening member presses the second sealing member to the base through the supporting member.

As a preferable scheme, the periphery of the supporting member is provided with an outer folded eave, the fastening member is arranged in a ring shape, the end of the fastening member is provided with a pressing table, the fastening member is sleeved on the supporting member, and the pressing table presses the outer folded eave onto the base.

As a preferred scheme, the inner wall of the fastener is provided with a limiting groove, and the first sealing element is fixed in the limiting groove.

As a preferable scheme, a chamfer is arranged at the end of the base, one end, away from the limiting groove, of the first sealing element is sleeved on the chamfer, and the outer eave of the supporting element presses the first sealing element onto the chamfer.

Preferably, the aperture of the second water hole gradually decreases along a direction approaching the lens.

Preferably, the fastener is removably attached to the base.

Preferably, one of the fastener and the base is provided with external threads and the other is provided with internal threads, the fastener being threadedly connected to the base.

Preferably, the periphery of the fastener is provided with anti-slip lines.

The utility model has the beneficial effects that: the device for detecting the water tightness of the lens is provided, the lens to be detected is placed in the accommodating groove, the air guide channel on one side of the lens provides airflow for the accommodating groove, the first water placing hole on the other side of the lens contains liquid, the water tightness of the lens can be judged by observing whether bubbles exist in the liquid, and the structure is simple; the first sealing piece seals a gap between the fastening piece and the base, the second sealing piece is used for sealing a gap between the periphery of the lens and the base, and the secondary sealing structure improves the sealing performance.

Drawings

The utility model is explained in more detail below with reference to the figures and examples.

Fig. 1 is a sectional view of a lens water tightness detecting device;

FIG. 2 is an exploded view of the lens water tightness detection device;

FIG. 3 is a schematic structural view of a seal assembly and fastener;

fig. 4 is a partially enlarged view of a portion a shown in fig. 1.

In fig. 1 to 4:

1. a base; 11. a containing groove; 12. an air guide channel; 13. a convex ring; 14. chamfering;

2. a seal assembly; 21. a first seal member; 22. a second seal member; 221. a first water placement hole; 23. a support member; 231. a second water placing hole; 232. an outer folded brim;

3. a fastener; 31. a limiting groove; 32. a pressing table; 33. anti-skid lines;

4. a gas pipe joint;

5. and (5) a lens.

Detailed Description

In order to make the technical problems solved, technical solutions adopted and technical effects achieved by the present invention clearer, the technical solutions of the embodiments of the present invention will be described in further detail below with reference to the accompanying drawings, 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.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, removably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood in a specific case to those of ordinary skill in the art.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. "beneath," "under" and "beneath" a first feature includes the first feature being directly beneath and obliquely beneath the second feature, or simply indicating that the first feature is at a lesser elevation than the second feature.

The technical scheme of the utility model is further explained by the specific implementation mode in combination with the attached drawings.

As shown in fig. 1, the embodiment provides a lens water tightness detecting device, which includes a base 1, a sealing assembly 2 and a fastener 3, wherein an air guide channel 12 is formed in the base 1, one end of the air guide channel 12 is located on a side wall of the base 1 and is communicated with an air pipe joint 4, the air pipe joint 4 can be communicated with an external air supply device, an accommodating groove 11 is formed in an end portion of the base 1, the other end of the air guide channel 12 is located at a bottom of the accommodating groove 11 to be communicated with the accommodating groove 11, and a lens 5 to be detected can be placed in the accommodating groove 11; the fastener 3 is connected to the base 1, the sealing assembly 2 includes a first sealing member 21 and a second sealing member 22, both the first sealing member 21 and the second sealing member 22 are elastic products, the first sealing member 21 is sleeved on the end portion of the base 1 and clamped between the fastener 3 and the base 1, the fastener 3 presses the second sealing member 22 against the base 1 to enable the second sealing member 22 to press the lens 5 to the accommodating groove 11, at this time, a gap between the peripheral portion of the lens 5 and the base 1 is sealed by the second sealing member 22, and only the lens of the lens 5 and the fixing structure of the lens leak through the first water placing hole 221 on the second sealing member 22. The lens 5 to be detected is placed in the containing groove 11, the air guide channel 12 provides air flow to the containing groove 11, the first water placing hole 221 contains liquid, and when the water tightness of the lens 5 meets the requirement, no air bubble exists in the liquid; when the water tightness of the lens 5 is poor, bubbles appear in the liquid, and the structure is simple. And the first sealing member 21 seals the gap between the fastening member 3 and the base 1 to realize primary sealing, and the second sealing member 22 seals the gap between the periphery of the lens 5 and the base 1 to realize secondary sealing, so that the sealing performance of the lens water tightness detection device is improved, and the conditions of error detection, error judgment or water leakage are avoided.

In a preferred embodiment, the base 1 is provided with a protruding ring 13, and the protruding ring 13 is disposed around the accommodating groove 11, that is, around the lens 5. It can be understood that the second sealing element 22 is set to be in a cap shape with a first water placing hole 221 formed at the bottom, the second sealing element 22 is sleeved at the end of the lens 5, one end of the second sealing element 22 elastically abuts against the convex ring 13, and the other end abuts against the lens 5 to compress the lens 5 in the accommodating groove 11, so that the lens 5 is prevented from shaking, and the sealing performance is good. In other embodiments of the utility model, the male ring 13 may be replaced by a groove, and the interference fit of the second seal 22 in the groove may also achieve the same function.

As shown in fig. 1 and fig. 2, the sealing assembly 2 further includes a supporting member 23, the supporting member 23 is a rigid product, the second sealing member 22 is glued to the bottom of the supporting member 23, the supporting member 23 is provided with a second water placing hole 231, the second water placing hole 231 is communicated with the first water placing hole 221, the communication relationship here can be coaxial communication or non-coaxial communication, and the second water placing hole 231 and the first water placing hole 221 of this embodiment are coaxially arranged. On one hand, when the lens is installed, the supporting piece 23 can be used for pressing the second sealing piece 22 against the lens 5, and then the fastening piece 3 is locked, so that the operation is simple; on the other hand, the second water filling hole 231 can increase the liquid volume and prevent the liquid from overflowing the first water filling hole 221. In other embodiments of the present invention, the fastener 3 may be directly used to press the second sealing member 22 against the base 1, and the second sealing member 22 is in direct contact with the fastener 3.

Specifically, the peripheral portion of the supporting member 23 is provided with an outer folded eave 232, the fastening member 3 is configured to be annular, the end portion of the fastening member is provided with a pressing platform 32, after the supporting member 23 presses the second sealing member 22 against the lens 5, the fastening member 3 is sleeved on the supporting member 23, and one end of the fastening member 3, which is far away from the supporting member 23, is connected to the base 1, in the process that the fastening member 3 is gradually locked, the pressing platform 32 can press the outer folded eave 232 onto the base 1, and the structure is reliable.

As shown in fig. 1 and 3, an annular limiting groove 31 is formed in the inner wall of the fastening member 3, the inner wall is a side inner wall of the fastening member 3, the first sealing member 21 is a sealing ring, the sealing ring is fixed in the limiting groove 31 and then clamped between the fastening member 3 and the base 1, so that the displacement of the first sealing member 21 is avoided, and the reliability is improved. In other embodiments of the present invention, the limiting groove 31 may also be opened on the inner wall of the top surface of the fastening member 3, and the first sealing member 21 may also be pressed against the end of the base 1.

As shown in fig. 4, in this embodiment, the end of the base 1 is provided with a chamfer 14, the first sealing element 21 fixed in the limiting groove 31 is sleeved on the chamfer 14, the positioning is reliable, and the outer eave 232 of the supporting member 23 presses the first sealing element 21 to the chamfer 14, so that three-side sealing between the fastening member 3, the base 1 and the supporting member 23 is realized, and the sealing performance is further improved.

As a preferred embodiment, the diameter of the second water hole 231 is gradually reduced along the direction close to the lens 5, the second water hole 231 can be set to be a stepped hole and/or a tapered hole, the upper portion of the second water hole 231 of this embodiment is the stepped hole with the gradually reduced diameter, and the lower portion is the tapered hole with the gradually reduced diameter, so as to play a role of a "funnel", and provide guidance for the liquid when containing the liquid.

As shown in fig. 1 and 2, the fastener 3 is detachably connected to the base 1, so that the operation is simpler when the lens 5 to be detected is replaced. Specifically, the side wall of base 1 is provided with the external screw thread, and the side wall of fastener 3 is provided with the internal thread, and 3 threaded connection of fastener are on base 1, simple structure, and certainly also can be that the side wall of fastener 3 is provided with the external screw thread, and the side wall of base 1 is provided with the internal thread, can realize the threaded connection of fastener 3 and base 1 equally. In other embodiments of the present invention, the fastening member 3 may be detachably connected to the base 1 by a screw.

In a preferred embodiment, the fastener 3 is provided with an anti-slip pattern 33 on the periphery, and in this embodiment, the anti-slip pattern 33 is in a grid shape. When the fastener 3 is screwed or unscrewed on the base 1, the anti-slip threads 33 can increase friction force and prevent the hand from slipping with the fastener 3.

In the description herein, it is to be understood that the terms "upper," "lower," "left," "right," and the like are based on the orientation or positional relationship shown in the drawings for convenience in description and simplicity of operation, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the present invention. Furthermore, the terms "first" and "second" are used merely for descriptive purposes and are not intended to have any special meaning.

In the description herein, references to the description of "an embodiment," "an example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example.

In addition, the foregoing is only the preferred embodiment of the present invention and the technical principles applied. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the utility model. Therefore, although the present invention has been described in greater detail by the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the spirit of the present invention, and the scope of the present invention is determined by the scope of the appended claims.

Claims

1. A lens water-tightness detecting device, comprising:

the lens detection device comprises a base (1) provided with a containing groove (11) and an air guide channel (12), wherein the air guide channel (12) is communicated with the containing groove (11), the air guide channel (12) can provide air flow, and a lens (5) to be detected can be placed in the containing groove (11);

the sealing assembly (2) comprises a first sealing element (21) and a second sealing element (22), the first sealing element (21) is sleeved at the end part of the base (1), the second sealing element (22) covers and presses the lens (5) in the accommodating groove (11), a first water containing hole (221) is formed in the position, corresponding to the lens of the lens (5), of the second sealing element (22), the lens (5) abuts against the bottom of the first water containing hole (221), and liquid can be contained in the first water containing hole (221);

a fastener (3) connected to the base (1), the first seal (21) being clamped between the fastener (3) and the base (1), and the fastener (3) pressing the second seal (22) against the base (1) to seal a gap between a peripheral portion of the lens (5) and the base (1).

2. The lens water tightness detection device according to claim 1, wherein a protruding ring (13) is disposed on the base (1), the protruding ring (13) is located on the periphery of the accommodating groove (11), and the second sealing member (22) elastically presses against the protruding ring (13).

3. The lens water tightness detecting device according to claim 1, wherein the sealing assembly (2) further comprises a support member (23), the second sealing member (22) is connected to a bottom of the support member (23), a second water placing hole (231) is formed in the support member (23), the second water placing hole (231) is communicated with the first water placing hole (221), and the fastening member (3) presses the second sealing member (22) to the base (1) through the support member (23).

4. The lens water tightness detection device according to claim 3, wherein an outer folded ledge (232) is disposed on a periphery of the support member (23), the fastening member (3) is disposed in a ring shape, a pressing platform (32) is disposed on an end portion of the fastening member (3), the fastening member (3) is sleeved on the support member (23), and the pressing platform (32) presses the outer folded ledge (232) onto the base (1).

5. The lens water tightness detecting device according to claim 4, wherein an inner wall of the fastening member (3) is provided with a stopper groove (31), and the first sealing member (21) is fixed in the stopper groove (31).

6. The lens water tightness detection device according to claim 5, wherein a chamfer (14) is provided at an end of the base (1), an end of the first sealing member (21) away from the limiting groove (31) is sleeved on the chamfer (14), and the outer edge (232) of the support member (23) presses the first sealing member (21) against the chamfer (14).

7. The lens water tightness detecting device according to claim 3, wherein the aperture of the second water filling hole (231) is gradually reduced in a direction approaching the lens (5).

8. The lens water tightness detecting device according to claim 1, characterized in that the fastener (3) is detachably connected to the base (1).

9. The lens water tightness detection device according to claim 8, wherein one of the fastener (3) and the base (1) is provided with an external thread and the other is provided with an internal thread, the fastener (3) being screwed on the base (1).

10. The lens water tightness detection device according to claim 9, wherein a peripheral portion of the fastener (3) is provided with an anti-slip pattern (33).