CN212133981U

CN212133981U - Lens airtightness testing assembly

Info

Publication number: CN212133981U
Application number: CN202020857527.7U
Authority: CN
Inventors: 周津同; 祝士科
Original assignee: Beijing Fad Technology Co ltd
Current assignee: Beijing Fad Technology Co ltd
Priority date: 2020-05-20
Filing date: 2020-05-20
Publication date: 2020-12-11
Anticipated expiration: 2030-05-20

Abstract

The embodiment of the application provides a lens airtightness testing assembly which comprises a first sealing assembly, an airtight adapter ring and a pulling and inserting connector, wherein the airtight adapter ring is connected with a lens; the airtight adapter ring is provided with a first through hole, the pull-plug connector is provided with a second through hole, and the second through hole is communicated with the first through hole. Through with airtight switching ring with pull out the plug to be connected, then connect the trachea, tested the camera lens and be connected with airtight switching ring, external equipment passes through the trachea and to camera lens conveying gas, and the camera lens can carry out the gas tightness test. The test of a camera lens is accomplished, only needs to demolish the camera lens from airtight switching ring, installs next camera lens again, need not to demolish the trachea, and the testing process need not to relapse the dismouting, and work is convenient, uses manpower sparingly and time cost.

Description

Lens airtightness testing assembly

Technical Field

The embodiment of the application relates to the technical field of machinery, in particular to a lens airtightness testing assembly.

Background

The installation of infrared detector complete machine relates to optical lens's installation, and optical lens assembles the back to the system, and according to the needs that use the scene, most infrared detector need carry out the immersion test, discovers that some camera lenses appear or leak the phenomenon in the immersion test process to damage other components and parts in the detector, lead to the product to need the maintenance even scrap, therefore the gas tightness of camera lens is the big factor that influences infrared detector quality.

SUMMERY OF THE UTILITY MODEL

In view of the above, one of the technical problems to be solved by the embodiments of the present application is to provide a lens airtightness testing assembly, so as to overcome the problem that the lens airtightness cannot be guaranteed before the lens is mounted on the complete machine in the prior art.

The embodiment of the application provides an airtight test assembly for lens, including camera lens connecting portion and trachea connecting portion, camera lens connecting portion are connected with the camera lens airtight, and trachea connecting portion are used for being connected with the trachea, and camera lens connecting portion switch on with trachea connecting portion.

Optionally, in an embodiment of the present application, the optical fiber connector includes an adapter ring and a plug connector, the adapter ring includes a lens connecting portion, the adapter ring is provided with a first through hole, the first through hole is hermetically connected to a first end of the plug connector, the air tube connecting portion is disposed at a second end of the plug connector, and the first end of the plug connector is conducted to the second end of the plug connector.

Optionally, in an embodiment of the present application, the lens airtightness testing structure further includes at least one sealing assembly disposed between the adapter ring and the lens.

Optionally, in an embodiment of the present application, the sealing component is a gasket, and/or a sealing ring.

Optionally, in an embodiment of the present application, the inner wall of the lens connecting portion includes a first threaded mounting portion, and the first threaded mounting portion is matched with a second threaded mounting portion of the outer wall of the lens.

Optionally, in an embodiment of the present application, an outer wall of the first through hole of the adapter ring is provided with a third thread installation portion, and an inner wall of the plug-in connector is provided with a fourth thread installation portion matched with the third thread installation portion.

Optionally, in an embodiment of the present application, an outer wall of the first end of the plug-in connector is formed with a tightening portion, and a cross section of the tightening portion is rectangular or hexagonal.

Optionally, in an embodiment of the present application, a joint between the adapter ring and the plug-in connector is coated with a sealant.

Optionally, in an embodiment of the present application, the outer wall of the air pipe connecting portion is provided with a limiting protrusion, and an outer diameter of the limiting protrusion is greater than an outer diameter of the air pipe connecting portion.

Optionally, in an embodiment of the present application, the cross-section of the trachea connection portion is circular, and/or the cross-section of the stopper protrusion is circular.

The airtight test assembly of camera lens that provides in the embodiment of this application, including camera lens connecting portion and trachea connecting portion, camera lens connecting portion are connected with the camera lens is airtight, and trachea connecting portion are used for being connected with the trachea, and camera lens connecting portion switch on with trachea connecting portion. Through being connected camera lens and camera lens connecting portion, then say that trachea connecting portion are connected with the trachea, external equipment passes through the trachea and to the camera lens conveying gas, and the camera lens can carry out the gas tightness test, has realized the camera lens gas tightness assurance before the dip test, prevents that other components and parts are impaired.

Drawings

Some specific embodiments of the present application will be described in detail hereinafter by way of illustration and not limitation with reference to the accompanying drawings. The same reference numbers in the drawings identify the same or similar elements or components. Those skilled in the art will appreciate that the drawings are not necessarily drawn to scale. In the drawings:

fig. 1 is a schematic exploded view of a lens airtightness testing assembly according to an embodiment of the present application;

FIG. 2 is a schematic block diagram of a lens airtightness testing assembly according to an embodiment of the present disclosure;

fig. 3 is a schematic structural diagram of an adapter ring of a lens airtightness testing assembly according to an embodiment of the present application;

FIG. 4 is a schematic diagram of a gasket of a lens airtightness testing assembly according to an embodiment of the present disclosure;

fig. 5 is a schematic structural diagram of a plug-in connector of a lens airtightness testing assembly according to an embodiment of the present application;

FIG. 6 is a schematic cross-sectional view illustrating a connection between an adapter ring and a lens of a lens airtightness testing assembly according to an embodiment of the present disclosure;

FIG. 7 is a schematic cross-sectional view of an adapter ring and a lens of a lens airtightness testing assembly according to an embodiment of the present disclosure;

FIG. 8 is a schematic cross-sectional view of an adapter ring and a lens of a lens airtightness testing assembly according to an embodiment of the present disclosure;

fig. 9 is a schematic cross-sectional view illustrating a connection between an adapter ring and a plug-in connector of a lens airtightness testing assembly according to an embodiment of the present application;

the scores in the figure indicate respectively:

1-adapter ring, 11-lens connecting part, 12-first through hole, 121-third threaded mounting part, 2-plug connector, 21-air pipe connecting part, 22-tightening part, 23-limiting protrusion part, 24-fourth threaded mounting part, 3-sealing gasket, 31-sealing ring, 4-lens and 41-second threaded mounting part.

Detailed Description

The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used in this specification 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 and all possible combinations of one or more of the associated listed items.

It should be understood that the terms "first," "second," and the like as used in the description and in the claims, do not denote any order, quantity, or importance, but rather are used to distinguish one element from another. Also, the use of the terms "a" or "an" and the like do not denote a limitation of quantity, but rather denote the presence of at least one. Unless otherwise indicated, "front", "rear", "lower" and/or "upper" and the like are for convenience of description and are not limited to one position or one spatial orientation. The word "comprising" or "comprises", and the like, means that the element or item listed as preceding "comprising" or "includes" covers the element or item listed as following "comprising" or "includes" and its equivalents, and does not exclude other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect.

The following further describes specific implementations of embodiments of the present application with reference to the drawings of the embodiments of the present application.

Example one

As shown in fig. 2, fig. 2 is a schematic structural diagram of a lens airtightness testing assembly with a connection structure according to an embodiment of the present application, which provides a lens airtightness testing assembly according to an embodiment of the present application, where the lens airtightness testing assembly includes a lens connection portion 11 and an air pipe connection portion 21, the lens connection portion 11 is connected with a lens 4 in an airtight manner, the air pipe connection portion 21 is used for being connected with an air pipe, and the lens connection portion 11 is communicated with the air pipe connection portion 21. Through being connected camera lens 4 with camera lens connecting portion 11, then say that trachea connecting portion 21 is connected with the trachea, external equipment passes through the trachea and to camera lens 4 conveying gas, and camera lens 4 can carry out the gas tightness test, has realized that camera lens 4 gas tightness before the dip test guarantees, prevents that other components and parts are impaired.

For example, when the air tightness test is performed on the same type of lens 4, the air tube is kept connected with the air tube connecting part 21, and only the lens 4 and the lens connecting part 11 need to be detached and installed, so that the air tightness test process is convenient. The airtight connection mentioned in the first embodiment may be a sealing assembly connection, may also be a sealant, and may also be in other sealing forms as long as the airtight requirement between the lens 4 and the lens connection portion 11 is achieved.

Optionally, as shown in fig. 1-2, fig. 1 is a schematic explosion structure diagram of a lens airtightness testing assembly provided in an embodiment of the present application, and fig. 2 is a schematic structure diagram of a lens airtightness testing assembly of a connection structure provided in an embodiment of the present application, the lens airtightness testing assembly may include an adapter ring 1 and a plug-in connector 2, the adapter ring 1 includes a lens connecting portion 11, the adapter ring 1 is provided with a first through hole 12, the first through hole 12 is hermetically connected to a first end of the plug-in connector 2, the air pipe connecting portion 21 is disposed at a second end of the plug-in connector 2, and the first end of the plug-in connector 2 is conducted to the second end of the plug-in connector 2. Gaseous from the trachea flow direction pull out the spigot 2, again by pulling out the spigot 2 flow direction first through-hole 12, first through-hole 12 and camera lens 4 intercommunication, through the switching ring 1 that provides in this embodiment with pull out the spigot 2, can realize the requirement of airtight test in the embodiment one, still have following effect, through carrying out the components of a whole that can function independently setting with the airtight test subassembly of camera lens, can reduce the processing degree of difficulty on the one hand, on the other hand, can pull out the spigot 2 through processing one kind, switching when the airtight test is carried out to camera lens 4 that different models is realized to multiple switching ring 1.

Optionally, as shown in fig. 1, fig. 1 is a schematic explosion structure diagram of a lens airtightness testing assembly provided in an embodiment of the present application, and in an embodiment of the present application, the lens 4 airtightness testing structure further includes at least one sealing assembly disposed between the adapter ring 1 and the lens 4. Adopt seal assembly's setting, under the prerequisite that can realize airtight connection, still guarantee structural compactness as far as possible, based on needs dismouting many times between camera lens 4 and the adapter ring 1, detachable seal assembly is more suitable than sealed glue.

Alternatively, as shown in fig. 6 to 8, fig. 6 is a schematic cross-sectional view of a connection between an adapter ring 1 and a lens 4 of a lens airtightness testing assembly provided in an embodiment of the present application, fig. 7 is a schematic cross-sectional view of a connection between an adapter ring 1 and a lens 4 of a lens airtightness testing assembly provided in an embodiment of the present application, and fig. 8 is a schematic cross-sectional view of a connection between an adapter ring 1 and a lens 4 of a lens airtightness testing assembly provided in an embodiment of the present application, a sealing assembly is a sealing gasket 3 and/or a sealing ring 31.

For example, as shown in fig. 6, a gasket 3 may be provided inside the adapter ring 1, and the lens 4 may be attached to the lens connection portion 11, and the gasket 3 may be pressed to form a sealing effect between the lens 4 and the adapter ring 1. At this time, a gasket 3 as shown in fig. 4 may be used, and fig. 4 is a schematic structural diagram of the gasket 3 of a lens airtightness testing assembly according to an embodiment of the present invention.

For example, as shown in fig. 7, a sealing ring 31 may be disposed on an end surface of the adapter ring 1, the sealing ring 31 is sleeved outside the lens 4, and the end surface of the adapter ring 1 and the lens 4 are used to form a compression on the sealing ring 31, so as to form a sealing effect between the lens 4 and the adapter ring 1.

For example, as shown in fig. 8, the sealing gasket 3 may be disposed inside the adapter ring 1, and the sealing ring 31 may be disposed on the end surface of the adapter ring 1, so as to form a two-stage sealing effect, prevent one of the sealing assemblies from failing in sealing, and ensure that the air tightness test can be effectively performed.

Alternatively, as shown in fig. 2-3, fig. 2 is a schematic structural diagram of a lens airtightness testing assembly provided in an embodiment of the present application, and fig. 3 is a schematic structural diagram of an adapter ring 1 of a lens airtightness testing assembly provided in an embodiment of the present application. On camera lens connecting portion 11 was installed to the camera lens through helicitic texture, camera lens 3 was installed and was dismantled the convenience around carrying out airtight test, and threaded connection back, sealing washer 31 or sealed pad 3 can effectively receive the extrusion, and the extrusion degree is controllable simultaneously, effectively realizes the airtight connection between camera lens 4 and the camera lens connecting portion 11.

Optionally, as shown in fig. 9, fig. 9 is a schematic cross-sectional view of a connection between an adapter ring 1 and a plug-in connector 2 of a lens airtightness testing assembly provided in an embodiment of the present application, a third threaded mounting portion 121 is disposed on an outer wall of a first through hole 12 of the adapter ring 1, and a fourth threaded mounting portion 24 matched with the third threaded mounting portion 121 is disposed on an inner wall of the plug-in connector 2. Adapter ring 1 is connected with plug connector 2 through helicitic texture, also can set up seal assembly between the two, perhaps sets up sealed glue and realizes airtight connection. The convenient plug connector 2 of pulling out of helicitic texture is connected with adapter ring 1, and it is convenient to dismantle, and the adapter ring 1 of the different specifications of being convenient for switches with plug connector 2 and is connected.

Alternatively, as shown in fig. 5, fig. 5 is a schematic structural diagram of a plug-in connector 2 of a lens airtightness testing assembly provided in an embodiment of the present application, an outer wall of a first end of the plug-in connector 2 may be formed with a tightening portion 22, and a cross section of the tightening portion 22 may be rectangular or hexagonal. The tightening part 22 can be used to manually mount the plugging connector 2 on the adapter ring 1, and if necessary, the tightening part 22 can be rotated by using a tool such as a wrench, so as to ensure that the connection between the two parts is sufficiently firm.

Optionally, in an embodiment of the present application, a joint between the adapter ring 1 and the plug-in connector 2 is coated with a sealant. Aiming at the actual airtight test of the lens 4, an operator tests the lens 4 of the same model for a long time, obviously, the adapter ring 1 and the plug connector 2 do not need to be repeatedly disassembled and assembled, and in order to improve the airtight connection effect, the joint of the adapter ring and the plug connector is coated with sealant so as to realize firm airtight connection.

Optionally, as shown in fig. 5, fig. 5 is a schematic structural diagram of the plug-in connector 2 of the lens airtightness testing assembly provided in the embodiment of the present application, in an embodiment of the present application, a limiting protrusion 23 is disposed on an outer wall of the air tube connecting portion 21, and an outer diameter of the limiting protrusion 23 is greater than an outer diameter of the air tube connecting portion 21. Through setting up spacing bulge 23, can establish at trachea connecting portion 21 back at the trachea cover, extrude trachea inner wall, realize the trachea and pull out the airtight connection between the spigot 2. Adopt spacing bulge 23, can also realize sealed effect under the prerequisite of subassembly such as the conventional lock hoop of not adopting, certainly this embodiment also can carry out the increase of subassembly such as lock hoop, further guarantees sealed effect.

Alternatively, as shown in fig. 5, in one embodiment of the present application, the cross-section of the trachea interface 21 is circular and/or the cross-section of the stop protrusion 23 is circular. The cylindrical structure can carry out the maximum area contact with trachea inner wall, and the connection of trachea and influence trachea connecting portion 21 can not be carried out to the circular shape spacing bulge 23, ensures the airtight connection of trachea and trachea connecting portion 21.

The embodiments in the present specification are described in a progressive manner, and the same and similar parts among the embodiments are referred to each other, and each embodiment focuses on the differences from the other embodiments. In particular, for the system embodiment, since it is substantially similar to the method embodiment, the description is simple, and for the relevant points, reference may be made to the partial description of the method embodiment.

The above description is only an example of the present application and is not intended to limit the present application. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the scope of the claims of the present application.

Claims

1. The lens airtightness testing assembly is characterized by comprising a lens connecting portion (11) and an air pipe connecting portion (21), wherein the lens connecting portion (11) is in airtight connection with a lens (4) when in use, the air pipe connecting portion (21) is connected with an air pipe when in use, and the lens connecting portion (11) is communicated with the air pipe connecting portion (21).

2. The lens airtightness testing assembly according to claim 1, comprising an adapter ring (1) and a plug-in connector (2), wherein the adapter ring (1) comprises the lens connecting portion (11) and a first through hole (12), the first through hole (12) is in airtight connection with a first end of the plug-in connector (2), the air tube connecting portion (21) is disposed at a second end of the plug-in connector (2), and the first end of the plug-in connector (2) is in conduction with the second end of the plug-in connector (2).

3. The lens hermetic test assembly according to claim 2, wherein the lens (4) hermetic test structure further comprises at least one sealing assembly disposed between the adapter ring (1) and the lens (4).

4. Lens airtightness testing assembly according to claim 3, characterized in that the sealing assembly is a gasket (3), and/or a sealing ring (31).

5. Lens airtightness testing assembly according to claim 2, characterized in that the inner wall of the lens connection portion (11) comprises a first threaded mounting portion which mates with a second threaded mounting portion (41) of the outer wall of the lens (4).

6. The lens airtightness test assembly according to any one of claims 2 to 5, wherein the outer wall of the first through hole (12) of the adapter ring (1) is provided with a third threaded mounting portion (121), and the inner wall of the plug-in connector (2) is provided with a fourth threaded mounting portion (24) matched with the third threaded mounting portion (121).

7. The lens airtightness test assembly according to claim 6, wherein the first end outer wall of the plug-in connector (2) is formed with a tightening portion (22), and the cross section of the tightening portion (22) is rectangular or hexagonal.

8. The lens airtightness testing assembly according to claim 6, wherein the joint between the adapter ring (1) and the plug-in connector (2) is coated with a sealant.

9. The lens airtightness test assembly according to any one of claims 1 to 5, wherein the outer wall of the air tube connecting portion (21) is provided with a stopper protrusion (23), and an outer diameter of the stopper protrusion (23) is larger than an outer diameter of the air tube connecting portion (21).

10. Lens airtightness testing assembly according to claim 9, wherein the cross section of the air tube connecting portion (21) is circular, and/or the cross section of the stopper projection (23) is circular.