CN214174804U - Camera lens sealing washer - Google Patents
Camera lens sealing washer Download PDFInfo
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- CN214174804U CN214174804U CN202023287443.3U CN202023287443U CN214174804U CN 214174804 U CN214174804 U CN 214174804U CN 202023287443 U CN202023287443 U CN 202023287443U CN 214174804 U CN214174804 U CN 214174804U
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- ring
- elastic
- butting
- camera lens
- abutting
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Abstract
The utility model belongs to the technical field of camera lens accessory, especially, relate to a camera lens seal ring, set up two sets of sealing mechanism including two sets of symmetries, sealing mechanism includes spacing ring and elasticity butt ring, be provided with the cell structure between spacing ring and the elasticity butt ring, during two sealing mechanism butts, elasticity butt ring stretches into respectively in the cell structure that corresponds, when removing encapsulated situation, elasticity butt ring takes place earlier deformation at the removal in-process through the spacing ring butt and resumes, accomplish the bullet ash action, bounce near the dust of camera lens from the camera lens effectively, and simultaneously, the holding tank knot constitutes the slope setting in order to collect the dust, the effect of this seal ring structure has been improved effectively.
Description
Technical Field
The utility model belongs to the technical field of camera lens accessory, especially, relate to a camera lens seal ring.
Background
The camera lens is the most important component in the camera because its quality directly affects the quality of the captured image. Meanwhile, the lens is also one of the most important standards for classifying the camera types and grades. Generally, cameras can be classified into three grades of professional cameras, quasi-professional cameras and general cameras according to lens, and a conventional film camera or a digital camera can be applied to the classification. The lens can be divided into two categories of zooming and fixed focus.
The traditional lens part is generally provided with a sealing gasket structure to prevent external dust from entering the inner side of the lens, the sealing gasket structure can be arranged on a lens sealing cover or a lens replacement connecting thread part, most of camera lenses in the prior art adopt a folding labyrinth structure to realize the sealing effect, most of lens sealing gaskets in the prior art adopt two groups of elastic rubber rings which are mutually abutted to form a lip structure to realize sealing, and a slightly improved sealing gasket forms a labyrinth sealing layer through a Z-shaped structure to further prevent the dust from entering the lens, but in the structure, when the lens is disassembled or the sealing cover is disassembled, a certain pressure is caused to the gas in a sealing space in the lens due to the close overlapping sealing of the two groups of elastic rubber rings, when the sealing structure is unlocked, the dust near a disassembling opening can be certainly sucked into the lens in the process of resetting and deforming of the two groups of elastic rubber rings, the lens is polluted, and the use of the lens is influenced, so that the sealing effect of the sealing gasket structure in the prior art is general.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a camera lens seal ring, aim at solving the sealing washer deformation among the prior art and resume the in-process and will dismantle near the dust of mouth and take into the camera lens, lead to the general technical problem of sealed effect of seal ring structure.
In order to achieve the above object, an embodiment of the present invention provides a camera lens sealing gasket, including a first sealing mechanism and a second sealing mechanism which are arranged oppositely, where the first sealing mechanism includes a first mounting ring, a first elastic abutting ring and a first limiting ring, the first mounting ring is sleeved at a sealing position of a camera lens cover, one end of the first elastic abutting ring is fixedly connected to an outer side wall of the first mounting ring, the first limiting ring is arranged on an outer side wall of the first mounting ring and located below the first elastic abutting ring, and a first accommodating groove is arranged between the first elastic abutting ring and the first limiting ring; the second sealing mechanism comprises a second mounting ring, a second elastic butting ring and a second limiting ring, the second mounting ring is sleeved at the connecting position between the lens body and the lens cover, one end of the second elastic butting ring is fixedly connected to the outer side wall of the second mounting ring, the second limiting ring is arranged on the outer side wall of the second mounting ring and located below the second elastic butting ring, and a second accommodating groove is formed between the second elastic butting ring and the second limiting ring; the first elastic butting ring and the second elastic butting ring are opposite in end portions and are used for butting against the first guide surface and the second guide surface of the second limiting ring and the first limiting ring respectively, the first limiting ring and the second limiting ring are opposite in end portions and are used for butting against the first butting surface and the second butting surface of the second guide surface respectively, the first elastic butting ring and the second elastic butting ring are both arranged in an inclined state, the first elastic butting ring and the second elastic butting ring are parallel to each other, and the width of the free end of the first elastic butting ring and the width of the free end of the second elastic butting ring are smaller than the width of the opening of the second accommodating groove and the width of the opening of the first accommodating groove respectively.
Optionally, the first guide surface and the second guide surface are both vertical end surface structures, the mutually opposite ends of the first limiting ring and the second limiting ring are both conical structures, the mutually opposite ends of the first limiting ring and the second limiting ring are gradually narrowed to form the first abutting surface and the second abutting surface respectively, and the first abutting surface and the second abutting surface are both inclined end surface structures.
Optionally, the opposite ends of the first limiting ring and the second limiting ring are arranged in a circular structure, and the first abutting surface and the second abutting surface are arranged in an arc structure.
Optionally, the first elastic abutting ring and the second elastic abutting ring are made of a TPE material through heating, extrusion and blow molding.
Optionally, the first elastic abutting ring and the second elastic abutting ring are made of a silica gel material, and a first elastic sheet and a second elastic sheet are respectively arranged in the first elastic abutting ring and the second elastic abutting ring.
Optionally, the first elastic sheet and the second elastic sheet are made of elastic metal.
Optionally, the first elastic sheet and the second elastic sheet are both made of TPE materials and are formed by heating, extruding and blow molding.
Optionally, the first elastic sheet includes a first bending portion and a second bending portion, the first bending portion is disposed in the first mounting ring, the second bending portion is disposed in the first elastic abutting ring, and a bending structure adapted to an inclination angle of the first elastic abutting ring is disposed between the first bending portion and the second bending portion; the second shell fragment includes third bending portion and fourth bending portion, third bending portion sets up in the second mounting ring, fourth bending portion sets up in the second elasticity butt intra-annular, third bending portion with be provided with between the fourth bending portion with the bending structure of the inclination angle adaptation of second elasticity butt ring.
Optionally, a first annular groove is formed in the first elastic abutting ring, and a first annular rib used for clamping and adapting the first annular groove is formed in the second elastic abutting ring.
Optionally, the cross section of the first annular groove is arranged in a circular arc or conical structure, and the cross section of the first annular protruding rib is arranged in a circular arc or conical structure.
The embodiment of the utility model provides an above-mentioned one or more technical scheme in the camera lens seal ring have one of following technological effect at least: the working principle of the camera lens sealing washer is as follows: when the lens is installed, the first sealing mechanism and the second sealing mechanism gradually approach to each other along the vertical direction, a first guide surface of the first limiting ring is firstly contacted with a second abutting surface of the second elastic abutting ring and drives the second elastic abutting ring to move towards the inner side in a deflection manner, a second guide surface of the second limiting ring is contacted with a first abutting surface of the first elastic abutting ring and drives the first elastic abutting ring to move towards the inner side in a deflection manner, and when the first elastic abutting ring and the second elastic abutting ring respectively enter the second accommodating groove and the first accommodating groove, the first elastic abutting ring and the second elastic abutting ring reset to form a sealed structure; when the lens is disassembled, dust accumulated on the first elastic abutting ring is released after being abutted by the second limiting ring during resetting, dust bouncing action is generated, dust attached to the first elastic abutting ring and dust near the connecting position are smoothly bounced off the lens, and meanwhile, the second accommodating groove is arranged in an inclined state, so that the dust accumulated in the second accommodating groove is concentrated at the bottom of the second accommodating groove; compare in lens seal structure among the prior art only adopt simple maze and rubber to paste tightly as seal structure, sealed effect is general, and the practicality is low, is unfavorable for the technical problem of enterprise development, the embodiment of the utility model provides a camera lens seal ring adopts the cell body structure and the bullet grey structure that two sets of elastic ring cooperation spacing rings formed, when preventing effectively that to tear open the camera lens after using for a long time, the condition emergence that near camera lens and lens cap hookup location near dust fall into in the camera lens has improved sealed effect effectively, is favorable to enterprise development.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive labor.
Fig. 1 is a schematic structural view of a camera lens sealing gasket according to an embodiment of the present invention.
Fig. 2 is a schematic structural view of a camera lens sealing gasket adopting an arc-shaped limiting ring provided by an embodiment of the present invention
Fig. 3 is a schematic structural view of a camera lens sealing gasket according to an embodiment of the present invention, which employs a tapered annular rib and a tapered annular groove.
Fig. 4 is the embodiment of the utility model provides an adopt circular-arc structure annular rib and circular arc shape structure annular groove's camera lens seal ring's structural schematic diagram.
Wherein, in the figures, the respective reference numerals:
10-first sealing means 20-second sealing means 11-first mounting ring
12-first elastic butting ring 13-first spacing ring 14-first accommodating groove
15-second guide surface 16-first abutment surface 21-second mounting ring
22-second elastic butting ring 23-second limiting ring 24-second accommodating groove
25-first guide surface 26-second abutting surface 17-first elastic sheet
27-second spring plate 30-first annular convex rib 40-first annular groove.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below by referring to the drawings are exemplary and intended to explain the embodiments of the present invention and are not to be construed as limiting the present invention.
In the description of the embodiments of the present invention, it should be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings, which is only for convenience in describing the embodiments of the present invention and simplifying the description, and do not indicate or imply that the device or element so indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the invention.
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 embodiments of the present invention, "a plurality" means two or more unless specifically limited otherwise.
In the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly, e.g., as fixed or detachable connections or as an integral part; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the embodiments of the present invention can be understood by those skilled in the art according to specific situations.
In an embodiment of the present invention, as shown in fig. 1 to 4, a camera lens sealing gasket is provided, which includes a first sealing mechanism 10 and a second sealing mechanism 20 that are disposed oppositely, where the first sealing mechanism 10 includes a first mounting ring 11, a first elastic abutting ring 12 and a first limiting ring 13, the first mounting ring 11 is sleeved at a sealing position of a camera lens cover, one end of the first elastic abutting ring 12 is fixedly connected to an outer side wall of the first mounting ring 11, the first limiting ring 13 is disposed on an outer side wall of the first mounting ring 11 and located below the first elastic abutting ring 12, and a first accommodating groove 14 is disposed between the first elastic abutting ring 12 and the first limiting ring 13; the second sealing mechanism 20 includes a second mounting ring 21, a second elastic abutting ring 22 and a second limiting ring 23, the second mounting ring 21 is sleeved at a connection position between the lens body and the lens cover, one end of the second elastic abutting ring 22 is fixedly connected to an outer side wall of the second mounting ring 21, the second limiting ring 23 is arranged on an outer side wall of the second mounting ring 21 and located below the second elastic abutting ring 22, and a second accommodating groove 24 is arranged between the second elastic abutting ring 22 and the second limiting ring 23; wherein, first elasticity butt ring 12 with second elasticity butt ring 22 each other is provided with respectively for relative tip and is used for the butt second spacing ring 23 with first spigot surface 25 and the second spigot surface 15 of first spacing ring 13, first spacing ring 13 with second spacing ring 23 each other is provided with respectively for relative tip and is used for the butt second spigot surface 15 with first spigot surface 16 and the second spigot surface 26 of first spigot surface 25, first elasticity butt ring 12 with second elasticity butt ring 22 all is the slope state setting, first elasticity butt ring 12 with second elasticity butt ring 22 is parallel to each other, the width of first elasticity butt ring 12 with the free end of second elasticity butt ring 22 is less than respectively the opening width of second holding tank 24 with first holding tank 14.
Specifically, the working principle of the camera lens sealing gasket is as follows: when the lens is installed, the first sealing mechanism 10 and the second sealing mechanism 20 gradually approach each other along the vertical direction, the first guide surface 25 of the first limiting ring 13 first contacts with the second abutting surface 26 of the second elastic abutting ring 22 and drives the second elastic abutting ring 22 to move towards the inner side in a swinging manner, the second guide surface 15 of the second limiting ring 23 contacts with the first abutting surface 16 of the first elastic abutting ring 12 and drives the first elastic abutting ring 12 to move towards the inner side in a swinging manner, and when the first elastic abutting ring 12 and the second elastic abutting ring 22 respectively enter the second accommodating groove 24 and the first accommodating groove 14, the first elastic abutting ring 12 and the second elastic abutting ring 22 reset to form a sealed structure; when the lens is disassembled, the dust accumulated on the first elastic abutting ring 12 is released after being abutted by the second limiting ring 23 during resetting, dust bouncing action is generated, the dust adhered on the first elastic abutting ring 12 and the dust near the connecting position are smoothly bounced off the lens, and meanwhile, the second accommodating groove 24 is arranged in an inclined state, so that the dust accumulated in the second accommodating groove 24 is concentrated at the bottom of the second accommodating groove 24; compare in lens seal structure among the prior art only adopt simple maze and rubber to paste tightly as seal structure, sealed effect is general, and the practicality is low, is unfavorable for the technical problem of enterprise development, the embodiment of the utility model provides a camera lens seal ring adopts the cell body structure and the bullet grey structure that two sets of elastic ring cooperation spacing rings formed, when preventing effectively that to tear open the camera lens after using for a long time, the condition emergence that near camera lens and lens cap hookup location near dust fall into in the camera lens has improved sealed effect effectively, is favorable to enterprise development.
As shown in fig. 1 to 4, in another embodiment of the present invention, the first guide surface 25 and the second guide surface 15 are vertical end surface structures, the first limiting ring 13 and the opposite end portions of the second limiting ring 23 are conical structures, the first limiting ring 13 and the second limiting ring 23 are tapered to form the first abutting surface 16 and the second abutting surface 26, the first abutting surface 16 and the second abutting surface 26 are inclined end surface structures, and the vertical end surface and the inclined end surface are matched to realize the directional driving effect.
As shown in fig. 1 to 4, in another embodiment of the present invention, the first limiting ring 13 and the second limiting ring 23 are disposed in a circular structure at opposite ends, the first abutting surface 16 and the second abutting surface 26 are disposed in a circular arc structure, in this embodiment, the cross section of the first limiting ring 13 and the second limiting ring 23 is disposed in a semicircular structure, and the circular structure is favorable for improving the abutting effect, so as to prevent the sealing gasket from being stuck.
As shown in fig. 1-4, in another embodiment of the present invention, the first elastic abutting ring 12 and the second elastic abutting ring 22 are made of TPE material through heating, extruding and blow molding, and the TPE material is adopted to make the abutting ring, which is favorable for making the abutting ring itself have the elastic reset function, so as to achieve the ash-popping effect.
As shown in fig. 1-4, in another embodiment of the present invention, the first elastic abutting ring 12 and the second elastic abutting ring 22 are made of silica gel material, the first elastic abutting ring 12 and the second elastic abutting ring 22 are respectively provided with a first elastic sheet 17 and a second elastic sheet 27, and the elastic sheet structure is adopted to facilitate the realization of the resilience effect of the abutting ring.
As shown in fig. 1-4, in another embodiment of the present invention, the first elastic sheet 17 and the second elastic sheet 27 are made of elastic metal, and the elastic metal is durable, which is beneficial to prolonging the service life of the elastic sheets.
As shown in fig. 1-4, in another embodiment of the present invention, the first elastic sheet 17 and the second elastic sheet 27 are made of TPE through heating, extruding and blow molding, and the elastic sheet made of plastic material is favorable for reducing the manufacturing cost and ensuring the resilience of the elastic sheet.
As shown in fig. 1 to 4, in another embodiment of the present invention, the first elastic sheet 17 includes a first bending portion and a second bending portion, the first bending portion is disposed in the first mounting ring 11, the second bending portion is disposed in the first elastic abutting ring 12, and a bending structure adapted to the inclination angle of the first elastic abutting ring 12 is disposed between the first bending portion and the second bending portion; the second elastic piece 27 comprises a third bending portion and a fourth bending portion, the third bending portion is arranged in the second mounting ring 21, the fourth bending portion is arranged in the second elastic abutting ring 22, and a bending structure matched with the inclination angle of the second elastic abutting ring 22 is arranged between the third bending portion and the fourth bending portion.
As shown in fig. 1-4, in another embodiment of the present invention, a first annular groove 40 is provided on the first elastic abutting ring 12, a second elastic abutting ring 22 is provided with a first annular rib 30 for engaging with the first annular groove 40, and the engaging structure is adopted to facilitate the contact of the first elastic abutting ring 12 and the second elastic abutting ring 22 and then the fixed abutting, so as to form a locking structure, thereby further improving the sealing effect of the sealing gasket.
As shown in fig. 1 to 4, in another embodiment of the present invention, the cross section of the first annular groove 40 is configured in a circular arc or cone structure, and the cross section of the first annular rib 30 is configured in a circular arc or cone structure.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. The camera lens sealing washer is characterized by comprising a first sealing mechanism and a second sealing mechanism which are oppositely arranged;
the first sealing mechanism comprises a first mounting ring, a first elastic butting ring and a first limiting ring, the first mounting ring is sleeved at the sealing position of the camera lens cover, one end of the first elastic butting ring is fixedly connected to the outer side wall of the first mounting ring, the first limiting ring is arranged on the outer side wall of the first mounting ring and located below the first elastic butting ring, and a first accommodating groove is formed between the first elastic butting ring and the first limiting ring;
the second sealing mechanism comprises a second mounting ring, a second elastic butting ring and a second limiting ring, the second mounting ring is sleeved at the connecting position between the lens body and the lens cover, one end of the second elastic butting ring is fixedly connected to the outer side wall of the second mounting ring, the second limiting ring is arranged on the outer side wall of the second mounting ring and located below the second elastic butting ring, and a second accommodating groove is formed between the second elastic butting ring and the second limiting ring;
the first elastic butting ring and the second elastic butting ring are opposite in end portions and are used for butting against the first guide surface and the second guide surface of the second limiting ring and the first limiting ring respectively, the first limiting ring and the second limiting ring are opposite in end portions and are used for butting against the first butting surface and the second butting surface of the second guide surface respectively, the first elastic butting ring and the second elastic butting ring are both arranged in an inclined state, the first elastic butting ring and the second elastic butting ring are parallel to each other, and the width of the free end of the first elastic butting ring and the width of the free end of the second elastic butting ring are smaller than the width of the opening of the second accommodating groove and the width of the opening of the first accommodating groove respectively.
2. A camera lens sealing gasket according to claim 1, wherein: the first guide surface and the second guide surface are both vertical end surface structure settings, the mutually opposite ends of the first limiting ring and the second limiting ring are both cone-shaped structure settings, the mutually opposite ends of the first limiting ring and the second limiting ring are gradually narrowed to form the first butt surface and the second butt surface respectively, and the first butt surface and the second butt surface are both inclined end surface structure settings.
3. A camera lens sealing gasket according to claim 2, wherein: the first limiting ring and the second limiting ring are arranged in a circular structure at opposite ends, and the first abutting surface and the second abutting surface are arranged in an arc structure.
4. A camera lens sealing gasket according to claim 1, wherein: the first elastic abutting ring and the second elastic abutting ring are made of TPE materials through heating, extruding and blow molding.
5. A camera lens sealing gasket according to claim 1, wherein: the first elastic abutting ring and the second elastic abutting ring are made of silica gel materials, and a first elastic sheet and a second elastic sheet are arranged in the first elastic abutting ring and the second elastic abutting ring respectively.
6. A camera lens sealing gasket according to claim 5, wherein: the first elastic sheet and the second elastic sheet are both made of elastic metal.
7. A camera lens sealing gasket according to claim 5, wherein: the first elastic sheet and the second elastic sheet are both made of TPE materials and are formed by heating, extruding and blow molding.
8. A camera lens sealing gasket according to any one of claims 5 to 7, wherein: the first elastic sheet comprises a first bending part and a second bending part, the first bending part is arranged in the first mounting ring, the second bending part is arranged in the first elastic abutting ring, and a bending structure matched with the inclination angle of the first elastic abutting ring is arranged between the first bending part and the second bending part;
the second shell fragment includes third bending portion and fourth bending portion, third bending portion sets up in the second mounting ring, fourth bending portion sets up in the second elasticity butt intra-annular, third bending portion with be provided with between the fourth bending portion with the bending structure of the inclination angle adaptation of second elasticity butt ring.
9. A camera lens sealing gasket according to claim 1, wherein: the first elastic butting ring is provided with a first annular groove, and the second elastic butting ring is provided with a first annular convex rib used for clamping and adapting the first annular groove.
10. A camera lens sealing gasket according to claim 9, wherein: the cross section of the first annular groove is in an arc-shaped or conical-shaped structure, and the cross section of the first annular convex rib is in an arc-shaped or conical-shaped structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023287443.3U CN214174804U (en) | 2020-12-30 | 2020-12-30 | Camera lens sealing washer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023287443.3U CN214174804U (en) | 2020-12-30 | 2020-12-30 | Camera lens sealing washer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214174804U true CN214174804U (en) | 2021-09-10 |
Family
ID=77610983
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023287443.3U Active CN214174804U (en) | 2020-12-30 | 2020-12-30 | Camera lens sealing washer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214174804U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115145095A (en) * | 2022-06-30 | 2022-10-04 | 中国科学院长春光学精密机械与物理研究所 | One-way labyrinth type composite flexible structure |
-
2020
- 2020-12-30 CN CN202023287443.3U patent/CN214174804U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115145095A (en) * | 2022-06-30 | 2022-10-04 | 中国科学院长春光学精密机械与物理研究所 | One-way labyrinth type composite flexible structure |
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