CN217385946U - Zoom lens sealing structure and zoom lens structure - Google Patents
Zoom lens sealing structure and zoom lens structure Download PDFInfo
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- CN217385946U CN217385946U CN202220482419.5U CN202220482419U CN217385946U CN 217385946 U CN217385946 U CN 217385946U CN 202220482419 U CN202220482419 U CN 202220482419U CN 217385946 U CN217385946 U CN 217385946U
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Abstract
The utility model discloses a zoom lens seal structure and camera lens structure of zooming, include: the lens cone extends along the first direction and sets up, and the picture frame is located along the first direction activity in the lens cone to and, the sealing washer is cyclic annular setting, and the sealing washer has inner circle and outer lane, and inner circle fixed connection is at the picture frame top, and outer lane fixed connection still is equipped with first portion of bending between inner circle and the outer lane at the lens cone top, first portion of bending can be bent and extend along with the activity of picture frame, is encapsulated situation between sealing washer, lens cone and the picture frame, and the sealing washer can change the form along with the removal of picture frame and surely do not interfere the activity of picture frame, has realized between picture frame and the lens cone both having realized through the sealing washer that waterproof seal is sealed, can not produce again to interfering the removal of picture frame, reduces the wearing and tearing of sealing washer and improves the durability.
Description
Technical Field
The utility model relates to a zoom lens field, in particular to zoom lens seal structure and camera lens structure of can zooming.
Background
The front end of the existing zoom lens is a moving group, when airtight requirement exists, protective glass or lenses are designed on the head, optical parts and structural parts need to be designed on the head, so that the cost is high, and the scheme is difficult to implement due to cost limitation. Particularly, in some small-power zoom lenses, customers have requirements on the total length of the lens, and the size requirements of the customers are difficult to meet by designing protective glass or lenses on the head for water prevention. The head of some camera lenses is a movable group, the length of the camera lens changes along with the movement of a group of lens frames, so a sealing ring is added between a lens barrel and the lens frame, the existing O-shaped sealing ring is used, the sealing ring is matched with the inner diameter and the outer diameter of the lens frame or the lens barrel by the aid of the sealing ring, the matching is generally in interference fit, the waterproof purpose is achieved, however, the lens frame moves, the sealing ring is in interference fit with the lens frame or the lens barrel, the friction resistance of the lens frame during movement is large, the thrust required by the movement of the lens frame is large, particularly, some electric focusing lenses have high requirements on a motor, and the motor is large in size. The sealing washer material is generally softer, and the sealing washer can wear and tear when the picture frame moves, has used for a long time, and the sealing washer can wear and tear or permanent deformation, leads to the gas tightness performance unreliable, or the dead focusing mechanism of card after the sealing washer warp, influences camera lens focusing etc..
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a zoom lens seal structure and camera lens structure of can zooming aims at solving current O type sealing washer resistance and easily wears and teares greatly, leads to reducing camera lens life's problem.
In order to achieve the above object, the utility model provides a zoom lens sealing structure includes:
a lens barrel extending in a first direction;
the lens frame is movably arranged in the lens barrel along the first direction; and the number of the first and second groups,
the sealing ring is annularly arranged and provided with an inner ring and an outer ring, the inner ring is fixedly connected to the top of the lens frame, the outer ring is fixedly connected to the top of the lens barrel, a first bending part is further arranged between the inner ring and the outer ring, and the first bending part can be bent and extended along with the movement of the lens frame;
the sealing ring, the lens cone and the lens frame are in a sealing state.
Optionally, the frame has an extended position and a locked position in its direction of movement;
when the picture frame is located in the stretching position, the first bending portion extends to be in a horn mouth shape, and when the picture frame is located in the shrinking position, the first bending portion is arranged in a bending mode.
Optionally, an avoidance groove is formed between the outer wall of the lens frame and the inner wall of the lens barrel at an interval, and when the lens frame moves to the contracted position, the first bending portion enters the avoidance groove and is bent;
the width of the avoiding groove is W1, the thickness of the sealing ring is W2, and W1/W2 is more than 4.
Optionally, the inner ring includes a first bending edge and a second bending edge, a first connecting portion is connected between the first bending edge and the second bending edge, and an annular fixing groove is formed in the top of the mirror frame;
wherein, first limit of bending is fixed in the fixed slot, first connecting portion hug closely the picture frame top, the second limit of bending is hugged closely the picture frame edge is followed first direction is to keeping away from the picture frame top extends, the second limit of bending is connected first portion of bending.
Optionally, the outer ring is covered on the edge of the top of the lens barrel in a circular ring shape.
Optionally, a first pressing ring is arranged at the top of the mirror frame, the first pressing ring is annularly arranged, and the outer edge of the first pressing ring extends away from the top of the mirror frame along the first direction to form a first extending portion;
the first pressing ring is pressed on the inner ring, and the first pressing ring and the inner ring are fixed on the top of the mirror frame through dispensing.
Optionally, a second pressing ring is arranged at the top of the lens barrel, the second pressing ring is annularly arranged, and an outer edge of the second pressing ring extends away from the top of the lens barrel along the first direction to form a second extending portion;
the second pressing ring is pressed on the outer ring, and the second pressing ring and the outer ring are fixed on the top of the lens barrel in a dispensing or thread locking mode.
Optionally, an internal thread is arranged in the second extension portion, an external thread is arranged on the edge of the top of the lens barrel, and the second extension portion is in threaded fit with the lens barrel, so that the second pressing ring is tightly pressed on the outer ring.
Optionally, the material of the mirror frame is plastic or hardware; and/or the presence of a gas in the gas,
the lens cone is made of plastic or hardware; and/or the presence of a gas in the gas,
the sealing ring is made of rubber or silica gel.
The utility model also provides a camera lens structure of can zooming, include zoom lens seal structure, wherein zoom lens seal structure includes:
a lens barrel extending in a first direction;
the lens frame is movably arranged in the lens barrel along the first direction; and the number of the first and second groups,
the sealing ring is annularly arranged and provided with an inner ring and an outer ring, the inner ring is fixedly connected to the top of the lens frame, the outer ring is fixedly connected to the top of the lens barrel, a first bending part is further arranged between the inner ring and the outer ring, and the first bending part can be bent and extended along with the movement of the lens frame;
the sealing ring, the lens cone and the lens frame are in a sealing state.
The utility model discloses among the technical scheme, the sealing washer is cyclic annular setting, inner circle and outer lane have, inner circle fixed connection is at the picture frame top, outer lane fixed connection is at the lens cone top, make the sealing washer, it plays sealed effect to form a confined space between picture frame and the lens cone, and be equipped with first portion of bending between inner circle and outer lane, when the inner circle is along with the picture frame activity, first portion of bending can be bent and extend along with the activity of picture frame, also can not influence the activity of picture frame, frictional resistance has been reduced, the wearing and tearing of sealing washer have more been reduced, the durability of sealing washer has been improved, the life of camera lens has been prolonged simultaneously.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
Fig. 1 is a schematic cross-sectional view of an embodiment of a sealing structure of a zoom lens according to the present invention, wherein a lens frame is in an extended position;
FIG. 2 is a schematic cross-sectional view of the lens frame of FIG. 1 in a contracted position;
fig. 3 is a partial view of fig. 1 at a.
The reference numbers illustrate:
the objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that if directional indicators (such as upper, lower, left, right, front, and rear … …) are provided in the embodiment of the present invention, it is only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture, if the specific posture is changed, the directional indicator is changed accordingly.
In addition, if a description of "first", "second", etc. is referred to in the present invention, it is used for descriptive purposes only and not to be construed as indicating or implying relative importance or implicit to the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.
The utility model provides a zoom lens seal structure for solve current O type sealing washer resistance and wear and tear greatly, reduce camera lens life's problem.
As shown in fig. 1, a zoom lens sealing structure according to an embodiment of the present invention includes a lens barrel 1, a lens frame 2 and a sealing ring 3, wherein the lens barrel 1 is extended along a first direction, the lens frame 2 is movably disposed in the lens barrel 1 along the first direction, the sealing ring 3 is disposed in an annular shape, the sealing ring 3 has an inner ring 31 and an outer ring 32, the inner ring 31 is fixedly connected to the top of the lens frame 2, the outer ring 32 is fixedly connected to the top of the lens barrel 1, so that the sealing ring 3, the lens barrel 1 and the lens frame 2 are in a sealed state to form a sealed space, a first bending portion 33 is further disposed between the inner ring 31 and the outer ring 32, when the inner ring 31 is moved with the lens frame 2, the first bending portion 33 can be bent and extended with the movement of the lens frame 2, so that the sealed state between the sealing ring 3, the lens barrel 1 and the lens frame 2 is not changed, the sliding of the lens frame 2 in the lens cone 1 is not interfered, the friction resistance can not be caused to the lens frame 2, so that the movement of the lens frame 2 does not need large thrust, the abrasion is not generated, the service life of the sealing ring 3 is prolonged, the sealing, waterproof and dustproof effects are better, and the service life of a lens is greatly prolonged.
Further, referring to fig. 1 and 2, the lens frame 2 has an extended position and a retracted position in the moving direction, when the lens frame 2 is in the extended position, the lens frame 2 reaches a limit distance of moving away from the lens barrel 1 in the first direction, and the first bending portion 33 extends to form a bell mouth shape; when the lens frame 2 is located at the shrinking position, the bottom of the lens frame 2 is abutted to the bottom of the lens barrel 1, and at the moment, the first bending part 33 is bent, so that the movement of the lens frame 2 is facilitated.
Further, in the embodiment of the present invention, the material of the sealing ring 3 is made of high-elasticity rubber or silica gel, and can be processed by injection molding, so that the processing is simple, the elasticity is strong, and the first bending portion 33 is bent and extended.
Further, an avoiding groove 7 is formed between the outer wall of the lens frame 2 and the inner wall of the lens barrel 1 at an interval, when the lens frame 2 moves to the contracted position, the first bending portion 33 enters the avoiding groove 7 to be bent, the width of the avoiding groove 7 is W1, the thickness of the sealing ring 3 is W2, W1/W2 is not less than 4, that is, the width of the avoiding groove 7 is 4 times or more than 4 times of the thickness of the sealing ring 3, so that the first bending portion 33 can be bent to enter the avoiding groove 7 and can be conveniently separated from the avoiding groove 7 during extension.
Further, referring to fig. 3, in the present embodiment, the inner ring 31 includes a first bending edge 311 and a second bending edge 312, a first connection portion 313 is connected between the first bending edge 311 and the second bending edge 312, the top of the mirror frame 2 is provided with an annular fixing groove 6, the first bending edge 311 is fixed in the fixing groove 6, the first connecting part 313 clings to the top of the mirror frame 2, the second bending edge 312 clings to the edge of the frame body 2 and extends along the first direction to a position far away from the top of the frame body 2, the second bending edge 312 is connected with the first bending part 33, wherein the first bending edge 311, the second bending edge 312 and the first connection portion 313 form an inverted U-shaped structure, the first bending edge 311 is fixed in the fixing groove 6, so that the inner ring 31 is connected with the mirror frame 2 more stably, and the sealing performance is better.
Further, in the embodiment of the present invention, the top of the lens barrel 1 is a plane, and the outer ring 32 is a circular ring-shaped cover and is disposed on the edge of the top of the lens barrel 1.
Further, in an embodiment of the present invention, the inner ring 31 and the outer ring 32 are fixed at the top of the lens frame 2 and the top of the lens barrel 1 respectively by dispensing, the inner ring 31 and the position of the top joint of the lens frame 2 and the position of the top joint of the outer ring 32 and the lens frame 2 need to be coated with glue, so as to play roles of fixing and sealing and waterproofing.
In the utility model discloses in still another embodiment, the picture frame 2 top is equipped with first clamping ring 4, first clamping ring 4 is cyclic annular setting, and the outward flange of first clamping ring 4 is followed first direction is to keeping away from picture frame 2 top extension forms first extension 41, first clamping ring 4 pressfitting is in on the inner circle 31, first extension 41 lid closes outside the second limit 312 that bends, first clamping ring 4 with the inner circle 31 is fixed through the point is glued the picture frame 2 top, first clamping ring 4 plays to compress tightly and protects the effect of inner circle 31, reinforcing leakproofness and durability.
Further, a second pressing ring 5 is arranged at the top of the lens barrel 1, the second pressing ring 5 is annularly arranged, the outer edge of the second pressing ring 5 extends to a position far away from the top of the lens barrel 1 along the first direction to form a second extending portion 51, the second pressing ring 5 is pressed on the outer ring 32, the second pressing ring 5 and the outer ring 32 are fixed at the top of the lens barrel 1 through glue dispensing, and the second pressing ring 5 plays a role in pressing and protecting the outer ring 32, so that the sealing property, the water resistance and the durability are enhanced.
In another embodiment of the present invention, an internal thread is further provided in the second extending portion 51, an external thread is provided at the top edge of the lens barrel 1, the second extending portion 51 is in thread fit with the lens barrel 1, the second clamping ring 5 is pressed on the outer ring 32 by screwing the second extending portion 51, so as to increase the firmness of the second clamping ring 5, although the second extending portion 51 is in thread fit with the lens barrel 1, the second clamping ring 5 is also required to be applied with glue at the joint of the lens barrel 1, so as to ensure the sealing property and the waterproof property.
As shown in fig. 2, in the embodiment of the present invention, the fixed edge that is equipped with of picture frame 2 bottom lateral wall the spliced pole 21 that extends in the radial direction of picture frame 2, zoom gear 8 is still installed to lens cone 1 outward, zoom gear 8 inner wall is equipped with the connecting groove 81 that extends in the spiral, spliced pole 21 runs through lens cone 1 lateral wall extends to connecting groove 81 spliced pole 21 runs through the position of lens cone 1 lateral wall, lens cone 1 is equipped with the hole of dodging that extends along the first direction, dodge the width adaptation in hole spliced pole 21's external diameter, through the rotation zoom gear 8 makes spliced pole 21 is in dodge downthehole edge thereby first direction motion drives picture frame 2 is followed first direction motion.
Further, in order to facilitate the installation of the zoom gear 8, the top of the lens barrel 1 is further provided with a matching part 11, after the installation of the zoom gear 8, the matching part 11 is installed again, the matching part 11 is sleeved on the top of the lens barrel 1 in an annular manner, an inner ring of the matching part 1 is provided with an internal thread to be matched with the external thread on the edge of the top of the lens barrel 1, when the matching part 11 is installed in place, the upper end surface of the matching part 11 is flush with the top of the lens barrel 1, at the moment, the outer ring 32 covers the matching part 11 and the top of the lens barrel 1, the lower end surface of the matching part 11 is abutted to the zoom gear 8, the second extension part 51 is arranged around the outer ring of the matching part 11, and further, the outer ring of the matching part 11 can also be provided with an external thread to be matched with the internal thread of the second extension part 51.
The embodiment of the utility model provides an in, it is right the picture frame 2 with too much restriction is not done to the material of lens cone 1 in the embodiment of the utility model provides an in the material of picture frame 2 can be plastic or five metals material, the material of lens cone 1 can be plastic or five metals material.
The utility model discloses further provide a camera lens structure of can zooming, camera lens structure of can zooming includes zoom lens seal structure, and this zoom lens seal structure's specific structure refers to above-mentioned embodiment, because this zoom lens seal structure of camera lens structure of can zooming has adopted all technical scheme of above-mentioned all embodiments, consequently has all beneficial effects that the technical scheme of above-mentioned embodiment brought at least, and the repeated description is no longer given here.
The above is only the preferred embodiment of the present invention, not so limiting the patent scope of the present invention, all of which are in the utility model discloses a conceive, utilize the equivalent structure transform that the content of the specification and the attached drawings did, or directly/indirectly use all to include in other relevant technical fields the patent protection scope of the present invention.
Claims (10)
1. A zoom lens sealing structure, comprising:
a lens barrel extending along a first direction;
the lens frame is movably arranged in the lens barrel along the first direction; and the number of the first and second groups,
the sealing ring is annularly arranged and provided with an inner ring and an outer ring, the inner ring is fixedly connected to the top of the lens frame, the outer ring is fixedly connected to the top of the lens barrel, a first bending part is further arranged between the inner ring and the outer ring, and the first bending part can be bent and extended along with the movement of the lens frame;
the sealing ring, the lens cone and the lens frame are in a sealing state.
2. The zoom lens sealing structure according to claim 1, wherein the lens frame has an extended position and a contracted position in its moving direction;
when the picture frame is located when stretching out the position, first portion of bending extends and is the horn mouth shape, works as the picture frame is in when the constriction position, first portion of bending is the setting of bending.
3. The zoom lens sealing structure according to claim 2, wherein an avoidance groove is formed at an interval between an outer wall of the lens barrel and an inner wall of the lens barrel, and when the lens barrel moves to the retracted position, the first bent portion enters the avoidance groove to be bent;
the width of the avoidance groove is W1, the thickness of the sealing ring is W2, and W1/W2 is more than or equal to 4.
4. The zoom lens sealing structure according to claim 1, wherein the inner ring includes a first bent side and a second bent side, a first connecting portion is connected between the first bent side and the second bent side, and an annular fixing groove is formed at a top of the lens frame;
the first bending edge is fixed in the fixing groove, the first connecting portion is attached to the top of the mirror frame, the second bending edge is attached to the edge of the mirror frame along the first direction, the second bending edge is connected with the first bending portion, and the first bending portion is located on the edge of the mirror frame.
5. The zoom lens sealing structure according to claim 1, wherein the outer ring is provided in a ring-like shape covering a top edge of the lens barrel.
6. The zoom lens sealing structure according to claim 4, wherein the frame top is provided with a first pressing ring, the first pressing ring is annularly arranged, and an outer edge of the first pressing ring extends away from the frame top in the first direction to form a first extending portion;
the first pressing ring is pressed on the inner ring, and the first pressing ring and the inner ring are fixed on the top of the mirror frame through dispensing.
7. The zoom lens sealing structure according to claim 5, wherein a second pressing ring is provided at the top of the lens barrel, the second pressing ring is annularly provided, and an outer edge of the second pressing ring extends away from the top of the lens barrel in the first direction to form a second extending portion;
the second pressing ring is pressed on the outer ring, and the second pressing ring and the outer ring are fixed on the top of the lens cone through dispensing.
8. The zoom lens sealing structure according to claim 7, wherein an internal thread is provided in the second extending portion, an external thread is provided on an edge of a top of the lens barrel, and the second extending portion is screw-engaged with the lens barrel so that the second pressing ring is pressed against the outer ring.
9. A zoom lens sealing structure according to any one of claims 1 to 8, wherein the frame is made of plastic or hardware; and/or the presence of a gas in the gas,
the lens cone is made of plastic or hardware; and/or the presence of a gas in the gas,
the sealing ring is made of rubber or silica gel.
10. A variable focus lens structure comprising a zoom lens sealing structure according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220482419.5U CN217385946U (en) | 2022-03-04 | 2022-03-04 | Zoom lens sealing structure and zoom lens structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220482419.5U CN217385946U (en) | 2022-03-04 | 2022-03-04 | Zoom lens sealing structure and zoom lens structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217385946U true CN217385946U (en) | 2022-09-06 |
Family
ID=83102031
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220482419.5U Active CN217385946U (en) | 2022-03-04 | 2022-03-04 | Zoom lens sealing structure and zoom lens structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217385946U (en) |
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2022
- 2022-03-04 CN CN202220482419.5U patent/CN217385946U/en active Active
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