CN211786521U

CN211786521U - Camera lens matching device

Info

Publication number: CN211786521U
Application number: CN202020622910.4U
Authority: CN
Inventors: 周妙玲
Original assignee: Shenzhen Uwinka Photographic Equipment Co ltd
Current assignee: Shenzhen Uwinka Photographic Equipment Co ltd
Priority date: 2020-04-22
Filing date: 2020-04-22
Publication date: 2020-10-27
Anticipated expiration: 2030-04-22

Abstract

The application provides a supporting device of camera lens includes: the lens hood roughly is the hollow tube-shape, and the outer wall of lens hood is coaxial to be provided with first fitting surface and second fitting surface, and first fitting surface and second fitting surface all are the annular, and the diameter of first fitting surface is less than the diameter of second fitting surface, are formed with the step between first fitting surface and the second fitting surface, and first lens cap is cup jointed to first fitting surface ability adaptation, and second lens cap that the internal diameter is greater than first lens cap is cup jointed to second fitting surface ability adaptation. Still including dismantling the adapter ring of connecting in the lens hood rear end, be fixed with the filter in the adapter ring. The camera lens matching device provided by the application can be assembled with two originally-installed lens covers with different inner diameters by only using one lens hood, has good compatibility, does not need to manufacture the lens hoods respectively, saves the cost, does not need to disassemble and assemble the lens hoods back and forth, and is convenient for users to use; the adapter ring and the filter are integrated, temporary assembly is not needed, and assembly operation can be simplified.

Description

Camera lens matching device

Technical Field

The application belongs to the technical field of photographic equipment accessories, and particularly relates to a camera lens matching device.

Background

The lens hood is a common photographic accessory sleeved in front of a camera lens, and has the following functions: 1. when the camera is used for shooting by using backlight, sidelight or a flash lamp, non-imaging light can be prevented from entering, and fog is avoided; 2. when the forward light and the side light are used for shooting, the scattered light around can be prevented from entering the lens; 3. when light shooting or night shooting is carried out, ambient interference light can be prevented from entering the lens; 4. the lens protection device can prevent accidental damage to the lens, prevent fingers from touching the surface of the lens by mistake, and shield the lens from sand wind, rain and snow to some extent. Shades are widely used in backlighting. Generally, lenses are marked with light shields, i.e. original light shields, and light shields of different lenses are different, and many products cannot be interchanged. The inner diameter sizes of the lens covers of cameras of different models are different, the existing lens shields cannot be compatible with original lens covers of different sizes, corresponding lens shields need to be manufactured respectively, or the lens shields are detached after the lens shields are used up and then the lens covers are covered back, the lenses are protected, and the lens covers need to be dismounted and mounted back and forth, so that the operation is complex.

SUMMERY OF THE UTILITY MODEL

An object of the embodiment of the application is to provide a camera lens matching device to solve the technical problems that the light shield in the prior art needs to be disassembled and assembled back and forth during use and is complex to operate due to the fact that the light shield cannot be compatible with original lens covers of different sizes.

In order to achieve the purpose, the technical scheme adopted by the application is as follows: provided is a camera lens supporting device including:

the lens hood roughly is the hollow tube-shape, the terminal surface has the shading edge that extends to the inboard before the lens hood, the outer wall of lens hood is coaxial to be provided with first fitting surface and second fitting surface, first fitting surface and second fitting surface all are the annular, the diameter of first fitting surface is less than the diameter of second fitting surface, first fitting surface with be formed with the step between the second fitting surface, first lens cap is cup jointed to first fitting surface ability adaptation, the internal diameter is greater than to second fitting surface ability adaptation the second lens cap of first lens cap.

Optionally, the second assembling surface is provided with an anti-skid structure.

Optionally, the anti-slip structure is a plurality of anti-slip lines or a plurality of convex points arranged on the second assembling surface.

Optionally, the anti-slip structure is a gear tooth disposed on the second mounting surface, and an extending direction of the gear tooth is parallel to a central axis of the camera lens matching device.

Optionally, the length of the first mounting surface is smaller than the length of the second mounting surface in parallel with the axial direction of the light shield.

Optionally, one end of the first assembling surface, which is far away from the second assembling surface, is provided with a first chamfer, and one end of the second assembling surface, which is close to the first assembling surface, is provided with a second chamfer.

Optionally, the camera lens matching device further comprises a switching ring detachably connected to the rear end of the light shield, and a filter is fixed in the switching ring.

Optionally, a flange is convexly arranged on the front end face of the adapter ring, an internal thread is arranged on the inner wall of the rear end of the light shield, an external thread matched with the internal thread is arranged on the outer wall of the flange, and the adapter ring is screwed with the light shield through the matching of the external thread of the flange and the internal thread of the light shield; the flange can be adapted to a decorative ring on the screw lens when the light shield is not installed.

Optionally, the outer wall of the adapter ring is coaxially provided with a third assembling surface and a fourth assembling surface, the third assembling surface and the fourth assembling surface are both annular, the diameter of the third assembling surface is smaller than that of the fourth assembling surface, the third assembling surface can be in adaptive socket joint with the first lens cover, and the fourth assembling surface can be in adaptive socket joint with the second lens cover.

Optionally, the light shield and the adapter ring are both aerial aluminum alloy pieces.

The application provides a lens hood's beneficial effect lies in: compared with the prior art, the supporting device of this application camera lens, be equipped with the different first fitting surface of diameter and second fitting surface on the lens hood, the less first lens cap of internal diameter can cup joint the assembly in first fitting surface, the great second lens cap of internal diameter can cup joint the assembly in the second fitting surface, thus, only assemble with the lens hood that just can be different with two internal diameters of former dress, compatibility is good, need not to make the lens hood respectively, save the cost, also need not to make a round trip to carry out the dismouting to the lens hood, convenience of customers's use.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.

Fig. 1 is a perspective view of a light shield in a camera lens arrangement according to an embodiment of the present disclosure;

FIG. 2 is a side view of the light shield of FIG. 1;

FIG. 3 is a side view of the light hood of FIG. 1 with a first lens cover assembled;

FIG. 4 is a side view of the light hood of FIG. 1 with a second lens cover assembled;

fig. 5 is a perspective view of a camera lens supporting device provided in an embodiment of the present application;

fig. 6 is a side view of the camera lens supporting device shown in fig. 5;

fig. 7 is an exploded view of the camera lens mount of fig. 5;

fig. 8 is a perspective view of the camera lens assembly of fig. 7 with a decorative ring mounted on the flange of the adapter ring;

FIG. 9 is a side view of the adapter ring of FIG. 7 with a first lens cover assembled;

fig. 10 is a side view of the adapter ring of fig. 7 with a second lens cover attached.

Wherein, in the figures, the respective reference numerals:

100-a light shield; 200-a transfer ring; 300-a filter; 400-decorating rings; 510-a first lens cover; 520-a second lens cover; 101-a light shielding edge; 102-internal threads; 110 — a first mounting face; 120-a second mounting face; 111-first chamfer; 121-gear teeth; 122-second chamfer; 210-a flange; 211-external thread; 220-a third mounting face; 230-fourth mounting face.

Detailed Description

In order to make the technical problems, technical solutions and advantageous effects to be solved by the present application clearer, the present application is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like, as used herein, refer to an orientation or positional relationship indicated in the drawings that is solely for the purpose of facilitating the description and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be considered as limiting the present application.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.

Referring to fig. 1 and fig. 2 together, a description will now be given of a camera lens supporting device according to an embodiment of the present application. The camera lens matching device comprises a light shield 100, wherein the light shield 100 can be a metal piece or an injection molding piece. The light shield 100 is substantially hollow and cylindrical, and the length thereof can be set according to actual needs. The front end face of the light shield 100 has a light shielding edge 101 extending inward, so as to shield part of light; the outer wall of the light shield 100 is coaxially provided with a first assembling surface 110 and a second assembling surface 120, the first assembling surface 110 and the second assembling surface 120 are both annular, the diameter of the first assembling surface 110 is smaller than that of the second assembling surface 120, and a step is formed between the first assembling surface 110 and the second assembling surface 120. As shown in fig. 2 and fig. 3, the first mounting surface 110 can be fittingly sleeved with the first lens cover 510, and a rear end surface of the first lens cover 510 abuts against the step; as shown in fig. 2 and 4, the second mounting surface 120 can be adapted to fit with a second lens cover 520 having an inner diameter larger than that of the first lens cover 510, and when the second lens cover 520 is fitted on the second mounting surface 120, a part of the second mounting surface 120 is exposed. First lens cap 510 and second lens cap 520 are all original lens caps, the internal diameter at first lens cap 510 rear end and the diameter adaptation of first assembly surface 110, the internal diameter at second lens cap 520 rear end and the diameter adaptation of second assembly surface 120, can realize the dual-purpose effect of an thing like this, only a lens hood 100 just can the compatible original lens cap of two internal diameters differences of assembling, need not to make in addition or purchase, the cost is saved, the suitability of lens hood 100 has been improved. In practical applications, the diameters of the first and

second mounting surfaces

110 and 120 may be set according to actual requirements and compatible original lens covers with different inner diameter sizes.

The application provides a supporting device of camera lens, compared with the prior art, be equipped with the different first fitting surface 110 of diameter and second fitting surface 120 on the lens hood 100, the less first lens cap 510 of internal diameter can cup joint the assembly in first fitting surface 110, the great second lens cap 520 of internal diameter can cup joint the assembly in second fitting surface 120, thus, only assemble with the lens hood 100 just can with two different lens caps of internal diameter of original equipment, compatibility is good, need not to make the lens hood respectively, save the cost, also need not to make a round trip to carry out the dismouting to the lens hood, convenience of customers's use.

In an embodiment, the second mounting surface 120 is provided with an anti-slip structure, which can make the second lens cover 520 more stable and less prone to be loosened after being mounted on the light shield 100.

In an embodiment, the anti-slip structure is a plurality of anti-slip patterns disposed on the second mounting surface 120, each anti-slip pattern may be disposed in parallel or staggered, and the anti-slip patterns form regular patterns on the second mounting surface 120.

Or, the anti-slip structure is a plurality of salient points arranged on the second assembling surface 120, each salient point can be arranged on the second assembling surface 120 in a matrix array mode, the outer side of each salient point can be provided with a round head or an arc-shaped surface, and the curvature of the arc-shaped surface on the outer side of each salient point is the same.

In an embodiment, referring to fig. 2, the anti-slip structure is a gear tooth 121 disposed on the second mounting surface 120, the extending direction of the gear tooth 121 is parallel to the central axis of the light shield 100, and the second lens cover 520 and the light shield 100 are easy to assemble and disassemble.

In an embodiment, referring to fig. 2 and fig. 4, the length of the first mounting surface 110 is smaller than the length of the second mounting surface 120 in parallel to the axial direction of the light shield 100, so that when the second lens cover 520 with a larger inner diameter is mounted, the second lens cover 520 has a larger contact area with the second mounting surface 120, and a more stable socket mounting between the second lens cover 520 and the light shield 100 can be formed.

In an embodiment, referring to fig. 1 and fig. 2, a first chamfer 111 is disposed at an end of the first mounting surface 110 away from the second mounting surface 120, a second chamfer 122 is disposed at an end of the second mounting surface 120 close to the first mounting surface 110, and the first chamfer 111 and the second chamfer 122 are disposed to facilitate the mounting and dismounting operation between the lens cover and the light shield 100, so that the sleeving operation is smoother. The specific angle value of each chamfer can be set according to actual requirements, and the second chamfer 122 can also form a step surface between the first assembling surface 110 and the second assembling surface 120.

In an embodiment, referring to fig. 5 to 8, the camera lens matching device further includes an adapter ring 200 detachably connected to the rear end of the light shield 100, a filter 300 is fixed in the adapter ring 200, the filter 300 may be a UV mirror, specifically, the filter 300 may be fixed in the adapter ring 200 in a clamping manner, and the filter 300 is in clearance fit with the inner wall of the adapter ring 200. Both the light shield 100 and the adapter ring 200 may be fabricated from aircraft aluminum alloy.

The adapter ring 200 and the filter 300 of the embodiment are integrated, so that temporary assembly is not needed, the use of the filter 300 is facilitated, and the assembly operation is simplified.

In an embodiment, referring to fig. 7, a flange 210 is convexly disposed on a front end surface of the adapter ring 200, an internal thread 102 is disposed on an inner wall of a rear end of the light shield 100, an external thread 211 matched with the internal thread 102 is disposed on an outer wall of the flange 210, and the adapter ring 200 is screwed with the light shield 100 by matching the external thread 211 of the flange 210 with the internal thread 102 of the light shield 100. When the adapter ring 200 is mounted on the light shield 100, the front end surface of the adapter ring 200 abuts against the rear end surface of the light shield 100.

As shown in fig. 8, when the light shield 100 is not installed on the flange 210, the flange 210 can be screwed to a decorative ring 400 on the lens, where the decorative ring 400 is originally screwed to the lens to shield the screw threads on the outer wall of the lens, and the decorative ring 400 is made of metal. When the filter 300 is used, the decorative ring 400 is screwed on the flange at the front end of the adapter ring 200, so that the decorative ring 400 can be prevented from being lost, when the filter 300 is not used, the decorative ring 400 is taken out of the flange 210 of the adapter ring 200 and then sleeved back on the screw threads on the outer wall of the lens, the use is convenient, and the decorative ring 400 is not easy to lose. The light shield 100 cannot be screwed on the flange 210 when the bezel 400 is installed, i.e., the flange 210 cannot fit the bezel 400 when the filter 300 and the light shield 100 are used together.

In an embodiment, referring further to fig. 8 to 10, the outer wall of the adapter ring 200 is coaxially provided with a third assembling surface 220 and a fourth assembling surface 230, the third assembling surface 220 and the fourth assembling surface 230 are both annular, the diameter of the third assembling surface 220 is smaller than that of the fourth assembling surface 230, the third assembling surface 220 and the fourth assembling surface 230 are formed with steps, and the fourth assembling surface 230 is close to the rear end of the adapter ring 200. As shown in fig. 9, the third mounting surface 220 can be adapted to mate with a first lens cover 510, and as shown in fig. 10, the fourth mounting surface 230 can be adapted to mate with a second lens cover 520. The diameter of the fourth mounting surface 230 may be substantially equal to the diameter of the second mounting surface 120, so that the light shield 100 and the adapter ring 200 are more attractive as a whole after being assembled. Due to the arrangement of the third assembling surface 220 and the fourth assembling surface 230, the adapter ring 200 can be adapted to lens covers with different inner diameters, that is, the adapter ring 200 can also be compatible with original lens covers with different inner diameters like the light shield 100, so that the use convenience is improved, and the cost is saved; the flange 210 of the adapter ring 200 may or may not be provided with a decorative ring when the original lens cover is mounted to the adapter ring 200.

In an embodiment, the light shield 100 and the adapter ring 200 are made of aviation aluminum alloy, so that the camera lens matching device has good structural strength, is not easy to damage, is durable, and can protect the camera lens well.

The above description is only exemplary of the present application and should not be taken as limiting the present application, as any modification, equivalent replacement, or improvement made within the spirit and principle of the present application should be included in the protection scope of the present application.

Claims

1. The camera lens matching device is characterized in that: the method comprises the following steps:

2. The camera lens accessory according to claim 1, wherein: and an anti-skid structure is arranged on the second assembling surface.

3. The camera lens accessory according to claim 2, wherein: the anti-skid structure is a plurality of anti-skid grains or a plurality of salient points arranged on the second assembling surface.

4. The camera lens accessory according to claim 2, wherein: the anti-skid structure is arranged on the gear teeth on the second assembling surface, and the extending direction of the gear teeth is parallel to the central shaft of the camera lens matching device.

5. The camera lens accessory according to claim 1, wherein: the length of the first assembling surface is smaller than that of the second assembling surface in parallel to the axis direction of the light shield.

6. The camera lens accessory according to claim 1, wherein: one end, far away from the second assembly surface, of the first assembly surface is provided with a first chamfer, and one end, close to the first assembly surface, of the second assembly surface is provided with a second chamfer.

7. The camera lens supporting device according to any one of claims 1 to 6, wherein: the camera lens matching device further comprises a switching ring detachably connected to the rear end of the lens hood, and a filter is fixed in the switching ring.

8. The camera lens accessory according to claim 7, wherein: a flange is convexly arranged on the front end face of the adapter ring, an internal thread is arranged on the inner wall of the rear end of the light shield, an external thread matched with the internal thread is arranged on the outer wall of the flange, and the adapter ring is in threaded connection with the light shield through the matching of the external thread of the flange and the internal thread of the light shield; the flange can be adapted to a decorative ring on the screw lens when the light shield is not installed.

9. The camera lens accessory according to claim 7, wherein: the outer wall of adapter ring is coaxial to be provided with third assembly surface and fourth assembly surface, third assembly surface and fourth assembly surface all are the annular, the diameter of third assembly surface is less than the diameter of fourth assembly surface, third assembly surface ability adaptation cup joints first lens cap, fourth assembly surface ability adaptation cup joints the second lens cap.

10. The camera lens accessory according to claim 7, wherein: the light shield and the adapter ring are aviation aluminum alloy pieces.