CN212931808U

CN212931808U - Waterproof performance test fixture for vehicle-mounted lens

Info

Publication number: CN212931808U
Application number: CN202022177184.2U
Authority: CN
Inventors: 侯浩文; 李延峰; 赵航
Original assignee: Dongguan Jiuzhou Optical Co ltd
Current assignee: Dongguan Jiuzhou Optical Co ltd
Priority date: 2020-09-28
Filing date: 2020-09-28
Publication date: 2021-04-09
Anticipated expiration: 2030-09-28

Abstract

The utility model discloses an on-vehicle camera lens waterproof nature test fixture, including tool body, a plurality of tool thread, a plurality of tool lid, be provided with the compressed air interface on a side of tool body, evenly set up the cavity of placing that a plurality of is used for placing the tool thread on its top surface, the tool thread passes through threaded connection and installs in corresponding placing the cavity to form test cavity with the tool body, test cavity is linked together with the compressed air interface, the tool lid respectively with corresponding tool thread threaded connection. The utility model discloses a pressure difference makes test cavity and external environment isolated, if the camera lens waterproof performance is good then can not have atmospheric pressure to reveal, if the camera lens waterproof performance is bad then can follow the pressure release of sealed bad position, whether apply atmospheric pressure and put into aquatic through observing the camera lens position that awaits measuring and whether have the bubble to emerge, whether the waterproof performance of camera lens that can clearly await measuring respectively is qualified, test convenient operation, it is high to detect the precision, avoids appearing the phenomenon of misdetection erroneous judgement.

Description

Waterproof performance test fixture for vehicle-mounted lens

Technical Field

The utility model relates to a camera lens leakproofness detection area, in particular to on-vehicle camera lens waterproof nature test fixture.

Background

The on-vehicle camera lens of car 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, before the automobile mirror is introduced into the market, waterproof detection needs to be carried out on the automobile mirror, and whether the product meets the waterproof grade requirement or not is judged. The existing waterproof performance test fixture has the defects that the detection result is inaccurate, the phenomenon of misdetection and misjudgment is serious, the accurate detection of the car lens cannot be guaranteed, defective products easily flow into the market, and the use of consumers is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model provides a technical problem to the defect that exists among the above-mentioned prior art, provide a vehicle-mounted camera lens waterproof nature test fixture to solve the problem that proposes among the above-mentioned background art.

In order to solve the technical problem, the utility model discloses the technical scheme who takes as follows: the utility model provides an on-vehicle camera lens waterproof nature test fixture, includes tool body, a plurality of tool thread, a plurality of tool lid, be provided with the compressed air interface on a side of tool body, evenly set up a plurality of on its top surface and be used for placing the cavity of placing of tool thread, the tool thread is installed correspondingly through threaded connection place in the cavity, and with the tool body forms the test cavity, the test cavity with the compressed air interface is linked together, the tool lid respectively with corresponding tool thread threaded connection.

As a further elaboration of the above technical solution:

in the technical scheme, the jig body and the jig screw teeth are sealed through glue.

In the above technical scheme, a first zero-shaped sealing ring is arranged between the jig screw teeth and the jig cover.

In the technical scheme, the compressed air interface is connected with 0.38-0.45Kpa of compressed air.

In the above technical scheme, the jig body is provided with a gas circulation groove, one side surface of the gas circulation groove is connected with the compressed air interface, and the top surfaces of the gas circulation groove are respectively communicated with the corresponding test cavities.

Compared with the prior art, the beneficial effects of the utility model reside in that: the utility model is provided with a compressed air interface on one side of the tool body, a plurality of placing cavities for placing tool threads are evenly arranged on the top surface of the tool body, the tool threads are arranged in the corresponding placing cavities through threaded connection, and form a testing cavity with the tool body, the testing cavity is communicated with the compressed air interface, the tool cover is respectively in threaded connection with the corresponding tool threads, a lens to be tested is arranged in the testing cavity, the tool cover is screwed, the testing cavity is isolated from the external environment through pressure difference, air pressure is applied to the testing cavity through the compressed air interface, if the waterproof performance of the lens is excellent, air pressure leakage can not occur, if the waterproof performance of the lens is poor, pressure can be released from the position with poor sealing, if air pressure is applied to put into water, whether bubbles emerge through observing the position of the lens to be tested, whether the waterproof performance of the lens to be tested, the test operation is convenient, the detection precision is high, and the phenomenon of misdetection and misjudgment is avoided.

Drawings

Fig. 1 is a front view of the present invention;

fig. 2 is a top view of the present invention;

fig. 3 is a side view of the present invention;

FIG. 4 is a cross-sectional view of a jig screw of the present invention;

fig. 5 is a sectional view of a jig cover in the present invention.

In the figure: 1. a jig body; 2. a jig screw tooth; 3. a jig cover; 11. an air interface; 12. placing the cavity; 13. a test chamber; 14. and a gas circulation groove.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

The embodiments described by referring to the drawings are exemplary and intended to be used for explaining the present application and are not to be construed as limiting the present application. In the description of the present application, it is to be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present application and for simplicity in description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner, and thus should not be considered limiting. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise. In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral connections; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate. In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact of the first and second features, or may comprise contact of the first and second features not directly but through another feature in between. 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. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly above and obliquely above the second feature, or simply meaning that the first feature is at a lesser level than the second feature.

As shown in fig. 1-5, a waterproof property testing jig for a vehicle-mounted lens comprises a jig body 1, a plurality of jig threads 2 and a plurality of jig covers 3, wherein a side surface of the jig body 1 is provided with a compressed air interface 11, the top surface of the jig body is uniformly provided with a plurality of placing cavities 12 for placing the jig threads, the jig threads 2 are installed in the corresponding placing cavities 12 through threaded connection, and form testing cavities 13 with the jig body, the testing cavities 13 are communicated with the compressed air interface 11, and the jig covers 3 are respectively in threaded connection with the corresponding jig threads 2.

The during operation, the camera lens that will await measuring is arranged in test cavity 13, screw up tool lid 3, make test cavity 13 isolated with external environment through the pressure differential, apply atmospheric pressure in to test cavity through compressed air interface 11, if camera lens waterproof performance is good then can not have atmospheric pressure to reveal, if camera lens waterproof performance is bad then can follow the pressure release of sealed bad position, it emits through observing whether the camera lens position that awaits measuring has the bubble to put into aquatic to apply atmospheric pressure, can clearly be awaited measuring whether qualified of the waterproof performance of camera lens respectively, test operation is convenient, detect the precision height, avoid appearing the phenomenon of misdetection erroneous judgement.

Wherein, seal through glue between tool body 1 and the tool thread 2. A first zero-shaped sealing ring (not shown) is arranged between the jig screw teeth 2 and the jig cover 3, so that the tightness between the jig body 1 and the jig screw teeth 2 and between the jig screw teeth 2 and the jig cover 3 are effectively ensured, and the testing accuracy is ensured.

In this embodiment, the compressed air interface 11 is connected to compressed air of 0.38 Kpa to 0.45 Kpa. The accessed compressed air may be set according to actual conditions, which is not limited in this embodiment.

Specifically, as shown in fig. 1, the jig body 1 is provided with a gas circulation groove 14, one side surface of the gas circulation groove 14 is connected to the compressed air port 11, and the top surfaces thereof are respectively communicated with the corresponding test cavities 13. The compressed air enters the gas circulation groove 14 through the compressed air port 11 and then flows into each test chamber 13.

After the jig cover 3 is screwed down, a second zero-type sealing ring (not shown) is arranged between the jig cover 3 and the connection part of the lens, so that the sealing performance between the jig cover 3 and the lens is ensured, and the testing accuracy is ensured.

The above is not intended to limit the technical scope of the present invention, and any modifications, equivalent changes and modifications made to the above embodiments according to the technical spirit of the present invention are all within the scope of the technical solution of the present invention.

Claims

1. The utility model provides a vehicle-mounted camera lens waterproof nature test fixture, its characterized in that, includes tool body, a plurality of tool thread, a plurality of tool lid, be provided with the compressed air interface on a side of tool body, evenly set up a plurality of on its top surface and be used for placing the cavity of placing of tool thread, the tool thread is installed corresponding through threaded connection place in the cavity, and with the tool body forms the test cavity, the test cavity with the compressed air interface is linked together, the tool lid respectively with corresponding tool thread threaded connection.

2. The vehicle-mounted lens waterproofness test fixture of claim 1, wherein the fixture body is sealed with the fixture threads by glue.

3. The vehicle-mounted lens waterproofness test fixture of claim 1, wherein a first zero-type seal ring is disposed between the fixture screw and the fixture cover.

4. The jig of claim 1, wherein the compressed air interface is connected to a compressed air of 0.38-0.45 Kpa.

5. The vehicle-mounted lens waterproofness test fixture of claim 1, wherein the fixture body is provided with a gas circulation groove, one side surface of the gas circulation groove is connected with the compressed air port, and the top surfaces of the gas circulation groove are respectively communicated with the corresponding test cavities.