CN220455577U - Lens cap assembly and thermal infrared imager - Google Patents
Lens cap assembly and thermal infrared imager Download PDFInfo
- Publication number
- CN220455577U CN220455577U CN202321827111.0U CN202321827111U CN220455577U CN 220455577 U CN220455577 U CN 220455577U CN 202321827111 U CN202321827111 U CN 202321827111U CN 220455577 U CN220455577 U CN 220455577U
- Authority
- CN
- China
- Prior art keywords
- lens
- cover body
- cover
- clamping piece
- cover assembly
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Links
- 238000001125 extrusion Methods 0.000 claims abstract description 37
- 229920001971 elastomer Polymers 0.000 claims description 9
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 239000000463 material Substances 0.000 description 4
- 239000004433 Thermoplastic polyurethane Substances 0.000 description 2
- XECAHXYUAAWDEL-UHFFFAOYSA-N acrylonitrile butadiene styrene Chemical compound C=CC=C.C=CC#N.C=CC1=CC=CC=C1 XECAHXYUAAWDEL-UHFFFAOYSA-N 0.000 description 2
- 229920000122 acrylonitrile butadiene styrene Polymers 0.000 description 2
- 239000004676 acrylonitrile butadiene styrene Substances 0.000 description 2
- 239000002390 adhesive tape Substances 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 229920002803 thermoplastic polyurethane Polymers 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000000748 compression moulding Methods 0.000 description 1
- 239000000806 elastomer Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
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Abstract
The utility model provides a lens cover assembly, which comprises a cover body used for covering the outside of a lens, wherein the cover body is a flexible cover body, the inner surface of the side wall of the cover body is provided with a clamping piece used for being clamped with a lens shell, and the cover body is provided with an extrusion position used for being extruded so that the clamping piece is separated from the lens shell. The lens cover component is fixed with the lens shell by utilizing the clamping piece to cover the lens, and meanwhile, the cover body is designed to be a flexible cover body, so that the cover body can deform by extruding the extruding position of the cover body, the clamping piece can be driven to be separated from the lens shell to realize the purpose of taking down the cover body, and the lens component is convenient to mount and dismount and low in manufacturing cost.
Description
Technical Field
The utility model belongs to the technical field of optical instruments, and particularly relates to a lens cover assembly and a thermal infrared imager.
Background
The lens cover is a structural member for protecting optical devices such as an infrared lens, a visible light window and the like. The lens cover of the existing thermal infrared imager is generally detachably connected with the machine body in a structure mode of a buckle or a magnetic attraction; however, the structure of the snap connection is complex, the assembly is troublesome and the price is relatively high; the magnetic attraction fixing mode can influence the magnetic field of the magnetic attraction fixing mode on electronic devices, motors and shutters of a circuit board of the thermal imager.
Disclosure of Invention
It is an object of the present utility model to provide a lens cover assembly that addresses at least some of the shortcomings of the prior art.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the lens cover assembly comprises a cover body which is used for covering the outside of a lens, wherein the cover body is a flexible cover body, a clamping piece which is used for being clamped with a lens shell is arranged on the inner surface of the side wall of the cover body, and an extrusion position which is used for extrusion to enable the clamping piece to be separated from the lens shell is formed in the cover body.
Further, at least two clamping pieces are arranged on two opposite side walls of the cover body.
Further, at least two extrusion positions on the cover body are respectively arranged on the other two opposite side walls of the cover body.
Further, the clamping piece is soft rubber.
Further, the clamping piece and the cover body are integrally formed.
Further, the extrusion position is provided with a hollow deformation cavity.
Further, the outer wall of the extrusion position is provided with a plurality of wave point bulges.
Further, the lens cover assembly further comprises a lens, and the lens is fixedly installed at the position, corresponding to the lens, of the light hole in the inner side of the cover body.
Further, the cover body is provided with a groove for accommodating the lens, the lens is arranged in the groove, and the upper surface of the lens is adhered and fixed with the inner surface of the cover body.
In addition, the utility model also provides an infrared thermal imager, which comprises a thermal imager shell, a lens arranged on the thermal imager shell and the lens cover assembly; the cover body of the lens cover assembly is covered outside the lens, and the clamping piece in the cover body is clamped with the lens shell.
Compared with the prior art, the utility model has the beneficial effects that:
the lens cover component provided by the utility model is fixed with the lens shell by utilizing the clamping piece to cover the lens, and meanwhile, the cover body is designed to be a flexible cover body, so that the cover body can be deformed by extruding the extruding position of the cover body, and the clamping piece can be driven to be separated from the lens shell to realize the purpose of taking down the cover body.
The present utility model will be described in further detail with reference to the accompanying drawings.
Drawings
FIG. 1 is a schematic view of a lens cover assembly of the present utility model;
FIG. 2 is a top view of the lens cover assembly of the present utility model;
FIG. 3 is an exploded view of the thermal infrared imager of the present utility model;
FIG. 4 is a cross-sectional view of the lens cover assembly of the present utility model covering the lens.
Reference numerals illustrate: 1. a cover body; 2. an extrusion position; 3. an extrusion section; 4. an arc section; 5. the wave point is convex; 6. double faced adhesive tape; 7. a lens; 8. a lens; 9. a thermal imager housing; 10. and the clamping piece.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In the description of the present utility model, it should be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present utility model and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or by an abutting connection or integrally connected; the specific meaning of the above terms in the present utility model will be understood in detail by those skilled in the art; in the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.
As shown in fig. 1, 2, 3 and 4, the present embodiment provides a lens cover assembly, which includes a cover body 1 for covering the outside of a lens, wherein the shape and the size of the cover body 1 are matched with the shape and the size of a housing of the lens to be covered, the cover body 1 is designed to be a flexible cover body, a clamping piece 10 for clamping with the housing of the lens is arranged on the inner surface of the side wall of the cover body 1, and the cover body 1 is provided with a pressing position 2 for pressing to deform the cover body 1 so that the clamping piece 10 is separated from the housing of the lens. When the lens cover assembly is used for covering a lens, the cover body 1 is covered outside the lens, and the clamping piece 10 in the cover body 1 is clamped with the lens shell, so that the cover body 1 is fixed outside the lens; when the lens cover assembly needs to be taken down, only the extrusion position 2 on the cover body 1 is needed to be extruded, and as the cover body 1 adopts flexible materials to extrude the cover body 1, the cover body 1 can deform, so that the clamping piece 10 in the cover body 1 is separated from the lens shell, and the cover body 1 can be taken down. The lens cover assembly provided by the embodiment has the advantages of simple structure, convenient installation and disassembly and low manufacturing cost; in addition, the cover body 1 is made of flexible materials, and is in flexible contact with the lens, so that contact damage to the lens can be reduced, and the lens can be better protected.
As a specific embodiment, the cover 1 may be made of, but not limited to, ABS (i.e., acrylonitrile-butadiene-styrene copolymer) material; the clamping member 10 is a soft rubber, and the soft rubber can be made of but not limited to TPU (thermoplastic polyurethane elastomer) material, when the cover body 1 is covered on the lens, the soft rubber (i.e. the clamping member 10) in the cover body 1 and the lens housing generate a certain interference amount, specifically, in this embodiment, the interference amount of 0.2mm exists between the soft rubber and the lens housing, so that the soft rubber and the lens housing are fixed, and when the extrusion position 2 of the cover body 1 is extruded, the cover body 1 deforms, the gap between the soft rubber and the lens housing increases, so that the cover body can be removed. Preferably, the engaging member 10 and the cover 1 are formed into an integral structure by compression molding, so as to ensure that the engaging member 10 is driven to be separated from the lens housing when the extrusion cover 1 deforms.
In a preferred embodiment, there are at least two clamping members 10, specifically, in this embodiment, two clamping members 10 are designed, which are respectively disposed on two opposite inner side walls of the cover body 1, and the two clamping members 10 are respectively clamped and fixed with two opposite side edges of the lens housing, so as to ensure the connection firmness between the cover body 1 and the lens; further, since the shape and the size of the cover 1 are adapted to the corresponding outline of the lens housing, and accordingly, the size of the two engaging members 10 is designed to be adapted to the size of the side edge of the cover 1 where the two engaging members 10 are located, as shown in fig. 4 in this embodiment, the height of the side surface of the cover 1 on which the engaging member 10 is mounted is greater than the height of the side surface of the cover 1 on which the engaging member 10 is mounted on the right side, and therefore, the height of the engaging member 10 on the left side of the cover 1 is also greater than the height of the engaging member 10 on the right side of the cover 1. When there are a plurality of the engaging members 10, two inner side walls opposite to the cover 1 are also provided respectively, the engaging members 10 on each side are arranged at a predetermined distance, and the number of the engaging members 10 on each side may be the same or different.
Preferably, as shown in fig. 4, the lower part of the side surface of the engaging member 10, which contacts with the lens housing, is designed to be in a slope form, that is, the thickness of the engaging member 10 is in a structure with a thick upper part and a thin lower part, so that when the cover 1 covers the lens, the lens is conveniently guided into the inner cavity of the cover 1, and meanwhile, the thick structural part at the upper part of the engaging member 10 can interfere with the lens housing to fix the engaging member 10 and the lens.
Optionally, there are at least two extrusion positions 2 on the cover 1, specifically, in this embodiment, two extrusion positions 2 on the cover 1 are designed, and are respectively disposed on two other opposite sidewalls of the cover 1, so that when the extrusion positions 2 on two sides of the cover 1 are extruded inwards, two sidewalls of the cover 1 provided with the clamping member 10 expand outwards, so as to drive the clamping member 10 to separate from the lens housing. When there are a plurality of extrusion positions 2, also set up respectively on two other opposite lateral walls of lid 1, distinguish with two opposite lateral walls that are provided with fastener 10, the extrusion position 2 interval of each side is predetermine the distance and is arranged, and the quantity of extrusion position 2 of each side can be the same or different.
As a specific embodiment, as shown in fig. 2, the extrusion position 2 is designed to have a hollow deformation cavity, specifically, the extrusion position 2 includes an extrusion section 3 and an arc section 4, the extrusion section 3 is a part of a side wall of the cover body 1, the arc section 4 is located at the inner side of the cover body 1, two ends of the arc section 4 are respectively connected with two ends of the extrusion section 3, the extrusion section 3 and the arc section 4 enclose to form a hollow deformation cavity, and the hollow deformation cavity is used as a deformation area of the extrusion section 3. When the cover body 1 needs to be taken down, the extrusion sections 3 of the extrusion positions 2 on two sides of the cover body 1 are pinched, so that the extrusion sections 3 are close to the arc-shaped sections 4, the extrusion sections 3 deform, and accordingly two side walls of the clamping piece 10 arranged on the cover body 1 are driven to deform, and the clamping piece 10 is separated from the lens shell.
Preferably, a plurality of wave point protrusions 5 may be disposed on the outer wall of the extrusion section 3 of the extrusion position 2, so as to increase the friction force when extruding the cover body 1, thereby more conveniently extruding the extrusion positions 2 on both sides of the cover body 1.
In some embodiments, the lens cover assembly further includes a lens 7, where the lens 7 is fixedly installed at a position corresponding to a light hole of the lens inside the cover 1; preferably, a groove for accommodating the lens 7 is formed in the cover body 1, the lens 7 is placed in the groove, the mounting position of the lens 7 is limited through the groove, and meanwhile, the upper surface of the lens 7 and the inner surface of the cover body 1 are fixedly bonded through the double-sided adhesive tape 6.
In addition, as shown in fig. 3 and 4, the present embodiment further provides an infrared thermal imager, which includes a thermal imager housing 9, a lens 8 disposed on the thermal imager housing 9, and the lens cover assembly described above; the cover body 1 of the lens cover assembly is covered outside the lens 8, and the clamping piece 10 in the cover body 1 is clamped with the shell of the lens 8.
In summary, the lens cover assembly provided by the utility model is fixed with the lens housing by the clamping piece to cover the lens, and meanwhile, the cover body is designed to be a flexible cover body, so that the cover body can be deformed by the extrusion position of the extrusion cover body, and the clamping piece can be driven to be separated from the lens housing to realize the purpose of removing the cover body.
The foregoing examples are merely illustrative of the present utility model and are not intended to limit the scope of the present utility model, and all designs that are the same or similar to the present utility model are within the scope of the present utility model.
Claims (10)
1. A lens cover assembly, characterized by: the lens cover comprises a cover body used for covering the outside of the lens, wherein the cover body is a flexible cover body, a clamping piece used for being clamped with the lens shell is arranged on the inner surface of the side wall of the cover body, and an extrusion position used for extruding to enable the clamping piece to be separated from the lens shell is formed in the cover body.
2. A lens cover assembly as recited in claim 1, wherein: the clamping pieces are at least two and are respectively arranged on the two opposite side walls of the cover body.
3. A lens cover assembly as recited in claim 2, wherein: at least two extrusion positions are arranged on the cover body and are respectively arranged on the other two opposite side walls of the cover body.
4. A lens cover assembly as claimed in claim 1 or 2, wherein: the clamping piece is soft rubber.
5. A lens cover assembly as claimed in claim 1 or 2, wherein: the clamping piece and the cover body are integrally formed.
6. A lens cover assembly as recited in claims 1 or 3, wherein: the extrusion position is provided with a hollow deformation cavity.
7. A lens cover assembly as recited in claim 6, wherein: the outer wall of the extrusion position is provided with a plurality of wave point bulges.
8. A lens cover assembly as recited in claim 1, wherein: the lens is fixedly arranged at the position, corresponding to the lens, of the light hole in the cover body.
9. A lens cover assembly as recited in claim 8, wherein: the cover body is provided with a groove for accommodating the lens, the lens is arranged in the groove, and the upper surface of the lens is adhered and fixed with the inner surface of the cover body.
10. The thermal infrared imager is characterized in that: comprising a thermal imager housing, a lens disposed on the thermal imager housing, and the lens cover assembly of any one of claims 1-9; the cover body of the lens cover assembly is covered outside the lens, and the clamping piece in the cover body is clamped with the lens shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321827111.0U CN220455577U (en) | 2023-07-12 | 2023-07-12 | Lens cap assembly and thermal infrared imager |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321827111.0U CN220455577U (en) | 2023-07-12 | 2023-07-12 | Lens cap assembly and thermal infrared imager |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220455577U true CN220455577U (en) | 2024-02-06 |
Family
ID=89733552
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321827111.0U Active CN220455577U (en) | 2023-07-12 | 2023-07-12 | Lens cap assembly and thermal infrared imager |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220455577U (en) |
-
2023
- 2023-07-12 CN CN202321827111.0U patent/CN220455577U/en active Active
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