CN211857155U - Adapter ring, lens assembly and camera - Google Patents

Abstract

The utility model discloses an adapter ring, a lens component and a camera, wherein the adapter ring comprises a main ring body; the circumference of the outer side surface of the main ring body is provided with a plurality of grooves, fixing pieces are arranged in the grooves, the main ring body is correspondingly provided with a driving piece in transmission connection with the fixing pieces, and the fixing pieces protrude outwards under the action of the driving piece. The lens pressing device presses the lens through fixing pieces circumferentially distributed on the main ring body; the stress surface is a contact surface between the plurality of fixing pieces and the lens and is circumferentially and uniformly distributed on the lens, so that the lens is uniformly stressed, the lens is not easily damaged, and the fixing effect is good; and the fixing piece protrudes outwards under the action of the driving piece, and the driving piece can be installed on the main ring body at any angle, so that the operation is convenient.

Description

Adapter ring, lens assembly and camera

Technical Field

The utility model relates to a photography equipment, especially an adapter ring, lens subassembly and camera.

Background

At present, the front end of a partial lens in the market is not provided with a thread structure (such as a cannon lens), so that an adapter ring is required to be used when a filter is installed. The existing adapter ring comprises a main ring body, wherein a fixing screw vertically penetrating through an adapter ring main body is arranged on the inner side surface of the main ring body; because the fixing screw is very close to the lens, the operation is very difficult and inconvenient, and the fixing effect is not ideal.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to solve one of the technical problem that exists among the prior art at least, provide a switching ring, camera lens subassembly and camera, convenient operation and fixed effectual.

The utility model provides a technical scheme that its problem adopted is:

in a first aspect of the present invention, a transfer ring comprises a main ring body; the circumference of the outer side surface of the main ring body is provided with a plurality of grooves, a plurality of fixing pieces are arranged in the grooves, the main ring body is correspondingly provided with a driving piece in transmission connection with the fixing pieces, and the fixing pieces protrude outwards under the action of the driving piece.

According to the utility model discloses an aspect, a switching ring is still including being used for injecing the mounting is to the limit structure of the convex distance of outside.

According to the utility model discloses an aspect, limit structure include with the spacing hole of recess intercommunication and with the gag lever post that the mounting is connected, the gag lever post passes spacing hole.

According to the utility model discloses an aspect, the main ring body be equipped with the recess intercommunication be equipped with internal screw thread hole, the driving piece is equipped with the external screw thread, driving piece threaded connection in the screw hole.

According to the utility model discloses an aspect, the driving piece is located the top of mounting, and to the direction slope of the lateral surface of the main ring body.

According to the utility model discloses an aspect, the mounting be equipped with driving piece vertically contact top surface.

According to the utility model discloses a first aspect, the inboard of the upper end of the major loop body is equipped with the filter mounting groove, the lower terminal surface leanin of filter mounting groove.

According to the utility model discloses a first aspect, the outside of the lower extreme of the main ring body is equipped with the camera lens mounting groove.

The utility model discloses a second aspect, a camera lens subassembly, include as the first aspect switching ring, filter assembly and camera lens main part, the filter assembly passes through the switching ring is installed the front end of camera lens main part.

A third aspect of the present invention is a camera, comprising an adapter ring, a filter assembly, and a camera body as described in the first aspect, wherein the filter assembly is installed at a front end of a lens of the camera body through the adapter ring.

The technical scheme at least has the following beneficial effects: the lens is pressed to the lens by fixing pieces which are circumferentially distributed on the main ring body; the stress surface is a contact surface between the plurality of fixing pieces and the lens and is circumferentially and uniformly distributed on the lens, so that the lens is uniformly stressed, the lens is not easily damaged, and the fixing effect is good; and the fixing piece protrudes outwards under the action of the driving piece, and the driving piece can be installed on the main ring body at any angle, so that the operation is convenient.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The invention is further described with reference to the following figures and examples.

Fig. 1 is a structural diagram of an adapter ring according to an embodiment of the present invention;

fig. 2 is a sectional view taken along a-a in fig. 1.

Detailed Description

This section will describe in detail the embodiments of the present invention, preferred embodiments of the present invention are shown in the attached drawings, which are used to supplement the description of the text part of the specification with figures, so that one can intuitively and vividly understand each technical feature and the whole technical solution of the present invention, but they cannot be understood as the limitation of the protection scope of the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, a plurality of means are one or more, a plurality of means are two or more, and the terms greater than, less than, exceeding, etc. are understood as not including the number, and the terms greater than, less than, within, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.

Referring to fig. 1 and 2, one embodiment of the present invention provides an adapter ring, including a main ring body 100; a plurality of grooves 110 are distributed on the circumference of the outer side surface of the main ring body 100, fixing pieces 200 are arranged in the grooves 110, a driving piece 300 in transmission connection with the fixing pieces 200 is correspondingly arranged on the main ring body 100, and the fixing pieces 200 protrude outwards under the action of the driving piece 300.

In this embodiment, the fixing members 200 circumferentially distributed on the main ring body 100 are pressed against the lens by the driving member 300; the stress surface is the contact surface between a plurality of fixing pieces 200 and the lens, and is circumferentially and uniformly distributed on the lens, so that the stress between the lens is uniform, the lens is not easy to be damaged, and the fixing effect is good. The fixing member 200 protrudes outward under the action of the driving member 300, and the driving member 300 can be installed on the main ring body 100 from any angle, so that a user can conveniently push the driving member 300 from any angle to operate the filter, and the filter assembling device is also suitable for assembling filters with different structures.

Specifically, in this embodiment, the number of the grooves 110 and the fixing member 200 is four. Of course, in other embodiments, there may be other numbers, but for reasons of stability, the number of the grooves 110 and the fixing members 200 should be more than three.

Referring to fig. 2, further, the adapter ring further includes a limiting structure 400 for limiting the distance that the fixing member 200 protrudes outward, and simultaneously limiting the fixing member 200 in the groove 110 to prevent the fixing member 200 from being detached.

Specifically, the limiting structure 400 includes a limiting hole 420 communicating with the groove 110 and a limiting rod 410 connected with the fixing member 200, and the limiting rod 410 passes through the limiting hole 420. The limiting holes 420 are bar-shaped holes. The fixing member 200 is provided with a mounting hole in which the stopper 410 is mounted. The fixing member 200 is first placed in the groove 110, and the stopper 410 is inserted into the mounting hole through the stopper hole 420, thereby completing the mounting of the fixing member 200 and the stopper 410. Of course, in other embodiments, the fixing member 200 and the limiting rod 410 may be integrally formed.

Further, the main ring body 100 is provided with a screw hole 120 provided with an internal thread communicating with the groove 110, the driving member 300 is provided with an external thread, and the driving member 300 is screw-coupled in the screw hole 120. Specifically, the driving member 300 is a hexagon head bolt. The driver 300 is screwed into the threaded hole 120. The driving member 300 passes through the threaded hole 120, and the top end of the driving member 300 enters the groove 110 to push the fixing member 200.

Further, the driving member 300 is positioned above the fixing member 200 and inclined toward the outer side of the main ring body 100. In addition, the fixing member 200 is provided with a contact top surface 210 perpendicular to the driving member 300. The driving member 300 is installed to be inclined so that a user can easily screw in the driving member 300; the contact top surface 210 perpendicular to the driving member 300 can increase the contact area between the fixing member 200 and the driving member 300, so that the user can push the fixing member 200 conveniently.

Further, a filter mounting groove 130 is formed at an inner side of an upper end of the main ring body 100, and the filter mounting groove 130 is used to mount a filter to the adaptor ring. The lower end surface of the filter mounting groove 130 is inclined inward, the driving member 300 is mounted at the lower end surface of the filter mounting groove 130, and the inclined lower end surface makes the filter mounted in the filter mounting groove 130 less likely to touch the driving member 300 to scrape off the flower.

Further, a lens mounting groove 140 is formed in an outer side of a lower end of the main ring body 100, and the lens mounting groove 140 is used for mounting the adapter ring on the lens.

The utility model discloses a lens assembly is provided to another embodiment, including adapter ring, filter assembly and camera lens main part as above, the filter assembly passes through the adapter ring and installs the front end at the camera lens main part.

In this embodiment, the filter is conveniently mounted to the lens by the adapter ring. Because the stress surface between the adapter ring and the lens is the contact surface between the fixing pieces 200 and the lens, and the stress surfaces are circumferentially and uniformly distributed on the lens, the stress between the lenses is uniform, the lenses are not easy to be damaged, and the fixing effect is good. Moreover, when the adapter ring is mounted on the lens, under the action of the driving member 300, the fixing member 200 protrudes outward, and the driving member 300 can be mounted on the main ring body 100 at any angle, so that a user can conveniently push the driving member 300 to operate at any angle, and the adapter ring is also suitable for assembling filters with different structures.

Another embodiment of the present invention provides a camera, including the above adapter ring, the filter assembly, and the camera body, wherein the filter assembly is mounted at the front end of the lens of the camera body through the adapter ring.

In the embodiment, similarly, the filter can be conveniently installed on the lens of the camera through the adapter ring, the operation is convenient, the lens is not easy to damage, and the fixing effect is good.

Above, only the preferred embodiment of the present invention has been described, the present invention is not limited to the above embodiment, and the technical effects of the present invention can be achieved by the same means, which all belong to the protection scope of the present invention.

Claims (10)

1. An adapter ring is characterized by comprising a main ring body; the circumference of the outer side surface of the main ring body is provided with a plurality of grooves, a plurality of fixing pieces are arranged in the grooves, the main ring body is correspondingly provided with a driving piece in transmission connection with the fixing pieces, and the fixing pieces protrude outwards under the action of the driving piece.

2. The adapter ring of claim 1, further comprising a limiting structure for limiting the distance that the securing member projects outwardly.

3. The adapter ring of claim 2, wherein the retaining structure comprises a retaining hole communicating with the groove and a retaining rod connected to the fixture, the retaining rod passing through the retaining hole.

4. An adaptor ring as claimed in claim 2, wherein said main ring body is provided with a threaded bore provided with an internal thread communicating with said recess, and said driving member is provided with an external thread, said driving member being threadedly connected in said threaded bore.

5. An adapter ring according to claim 4, wherein the driving member is located above the fixing member and inclined in the direction of the outer side of the main ring body.

6. An adapter ring according to claim 5, wherein said retaining member is provided with a contact top surface perpendicular to said driving member.

7. An adapter ring according to any one of claims 1 to 6, wherein the inner side of the upper end of the main ring body is provided with a filter installation groove, and the lower end surface of the filter installation groove is inclined inward.

8. The adapter ring as claimed in claim 7, wherein a lens mounting groove is formed on an outer side of a lower end of the main ring body.

9. A lens assembly comprising the adapter ring according to any one of claims 1 to 8, a filter assembly and a lens body, the filter assembly being mounted on a front end of the lens body through the adapter ring.

10. A camera comprising the adapter ring according to any one of claims 1 to 8, a filter assembly, and a camera body, the filter assembly being mounted on a front end of a lens of the camera body through the adapter ring.

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