CN213399019U - EF interface lens assembly - Google Patents

Abstract

The utility model provides a EF interface lens subassembly belongs to camera lens and camera switching technical field, include: the fixing ring comprises a fixing ring body, wherein a plurality of mounting holes are formed in the circumference of the fixing ring body; the lens shell is provided with a connecting surface, and the fixing ring body is in contact connection with the connecting surface; a connection hole provided on a connection surface of the lens housing; the number of the screws is the same as that of the mounting holes, and the screws are suitable for being mounted in the mounting holes and the connecting holes; the utility model provides a EF interface lens subassembly sets up the mounting hole on the less circumference of the diameter of solid fixed ring body, sets up the connecting hole on the camera lens casing, fixes with solid fixed ring body through the connecting hole in the camera lens casing, avoids at the solid fixed ring body of outside fixed, at solid fixed ring body inboard through the solid fixed ring body of screw and camera lens casing, when installing the camera lens to the camera on, keeps the original size of camera unchangeable, and simultaneously, the screw setting is inside the camera lens casing, and the outward appearance looks more pleasing to the eye.

Description

EF interface lens assembly

Technical Field

The utility model relates to a camera lens and camera switching technical field, concretely relates to EF interface camera lens subassembly.

Background

At present, more and more people use digital cameras with lenses which cannot be replaced, and people do not meet the requirement of only using the original configuration of the digital cameras, usually, an additional lens is added to prolong the focal length and increase the wide angle, a switching ring is usually used when the additional lens is used, wherein, when the lens of an EF (E electro-Focus) interface is installed on the camera, the lens needs to adapt to a lens shell through the switching ring, when the switching ring is installed on the lens shell, a mounting hole is usually added on the outer side of the switching ring, the size of the switching ring is generally fixed, the external size of the camera can be increased, and the digital cameras are not convenient for a photographer to carry.

SUMMERY OF THE UTILITY MODEL

Therefore, the to-be-solved technical problem of the present invention lies in overcoming the defect that increasing the mounting hole outside the adapter ring of the EF interface lens in the prior art may make the camera have a larger overall dimension and not be convenient for carrying, thereby providing an EF interface lens assembly.

The utility model provides a EF interface lens subassembly, include:

the fixing ring comprises a fixing ring body, wherein a plurality of mounting holes are formed in the circumference of the fixing ring body;

the lens shell is provided with a connecting surface, and the fixing ring body is in contact connection with the connecting surface;

the connecting holes are arranged on the connecting surface of the lens shell, and the number and the positions of the connecting holes correspond to the mounting holes in the fixing ring body one by one;

and the number of the screws is the same as that of the mounting holes, and the screws are suitable for being mounted in the mounting holes and the connecting holes.

As a preferable technical solution, the screw portion with screw thread extends into the mounting hole through the connecting hole, and the end portion is outside the connecting hole.

As a preferred technical solution, the lens housing has a fabrication hole, the fabrication hole is coaxial with the connection hole, and the fabrication hole is disposed on the lens housing.

As a preferable technical solution, the diameter of the fabrication hole is larger than the diameter of the connection hole.

As a preferable technical solution, the number of the mounting holes is 3, and the mounting holes are uniformly distributed on the circumference of the fixing ring body.

As a preferable technical solution, the lens housing has an accommodating space for accommodating an end of the screw, and a length of the portion of the screw having the thread is greater than a length of the accommodating space.

The utility model discloses technical scheme has following advantage:

1. the utility model provides a EF interface lens subassembly sets up the mounting hole on the less circumference of the diameter of solid fixed ring body, sets up the connecting hole on the camera lens casing, fixes with solid fixed ring body through the connecting hole in the camera lens casing, avoids at the solid fixed ring body of outside fixed, at solid fixed ring body inboard through the solid fixed ring body of screw and camera lens casing, when installing the camera lens to the camera on, keeps the original size of camera unchangeable, and simultaneously, the screw setting is inside the camera lens casing, and the outward appearance looks more pleasing to the eye.

2. The utility model provides a EF interface lens subassembly, screw have screwed part and stretch into to the mounting hole in through the connecting hole, and the connecting hole outside is stayed to the tip, and the operating personnel of being convenient for operates.

3. The utility model provides a EF interface camera lens subassembly is equipped with the fabrication hole coaxial with the mounting hole on the camera lens casing, and the setting up of fabrication hole can make the instrument pass the fabrication hole and operate the screw in the mounting hole, makes operating personnel more convenient when installation and dismantlement camera lens.

4. The utility model provides a EF interface lens subassembly, the diameter of fabrication hole is greater than the diameter of connecting hole, and the instrument of being convenient for passes the fabrication hole and operates to the screw.

5. The utility model provides a EF interface lens subassembly, the length that the screw has the screwed part is greater than accommodation space's length, and when dismantling the camera lens casing, the screw can not drop, all the time on the connecting hole of camera lens casing, avoids operating personnel all to need aim at the screw and install to the connecting hole when installing the camera lens casing at every turn.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a first angle exploded view of an EF interface lens assembly provided by the present invention;

fig. 2 is a second angle exploded view of the EF interface lens assembly provided by the present invention.

Description of reference numerals:

1. a fixed ring body; 2. a lens housing; 3. a screw; 4. a fabrication hole; 5. mounting holes; 6. and connecting the holes.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do 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, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.

The embodiment provides a specific implementation mode of EF interface lens subassembly, as shown in fig. 1 and fig. 2, set up mounting hole 5 on the less circumference of fixed ring body 1's diameter, mounting hole 5 is the screw hole, set up connecting hole 6 in the inside of lens housing 2, connecting hole 6 is the screw hole, avoid fixing the adapter ring in the outside, fix fixed ring body 1 on lens housing 2 through screw 3 on fixed ring body 1, when making the camera lens install to the camera, keep the original size of camera unchangeable, and simultaneously, screw 3 sets up inside lens housing 2, the outward appearance looks more pleasing to the eye.

Set up connecting hole 6 on the camera lens, set up mounting hole 5 on the adapter ring body, also can make camera lens and solid fixed ring body 1 cooperation connect the less industry camera of adaptation cross-section, adapt to more cameras.

As shown in fig. 1, the part of the screw 3 with threads extends into the mounting hole 5 through the connecting hole 6, the end part is left outside the connecting hole 6, the process hole 4 coaxial with the mounting hole 5 is arranged on the lens housing 2, and the process hole 4 is arranged to enable a tool to pass through the process hole 4 to operate the screw 3 in the connecting hole 6, so that an operator can install and detach the lens more conveniently.

The diameter of the technical hole 4 is larger than that of the connecting hole 6, so that an operator can use a tool to pass through the technical hole 4 to operate the screw 3 more conveniently.

As shown in fig. 1 and 2, lens housing 2 is provided with a connecting surface and a process plate, connecting hole 6 is arranged on the connecting surface, the process hole is arranged on the process plate, a containing space is formed between the connecting surface and the process plate, the end of screw 3 is located in the containing space, the length of the part of screw 3 with threads is greater than that of the containing space, so that screw 3 cannot be separated from the containing space, when lens housing is disassembled, screw 3 cannot fall off, and is always located on connecting hole 6 of lens housing 2, thereby avoiding that an operator needs to align and install screw 3 when lens housing 2 is installed each time.

The working principle is as follows:

when installation, the EF interface lens subassembly is installed on the camera fuselage with solid fixed ring body 1 earlier, aim at solid fixed ring body 1 with the camera lens, use tools operates screw 3 through fabrication hole 4 outside the camera lens, make the camera lens fix to solid fixed ring body 1 on, set up connecting hole 6 in the inside of camera lens casing 2, when the camera lens is installed to the camera on, can keep the original size of camera unchangeable, the personnel of being convenient for carry, and simultaneously, set up mounting hole 5 on solid fixed ring body 1, also can make solid fixed ring body 1 adapt to not unidimensional camera.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are within the scope of the invention.

Claims (6)

1. An EF interface lens assembly, comprising:

the fixing ring comprises a fixing ring body (1), wherein a plurality of mounting holes (5) are formed in the circumference of the fixing ring body (1);

the lens shell (2) is provided with a connecting surface, and the fixing ring body (1) is in contact connection with the connecting surface;

the lens fixing device comprises connecting holes (6) which are arranged on a connecting surface of a lens shell (2), wherein the number and the positions of the connecting holes (6) correspond to mounting holes (5) in a fixing ring body (1) one by one;

the number of the screws (3) is the same as that of the mounting holes (5), and the screws (3) are suitable for being mounted in the mounting holes (5) and the connecting holes (6).

2. The EF-interface lens assembly of claim 1, wherein the threaded portion of the screw (3) extends into the mounting hole (5) through the connection hole (6), and ends outside the connection hole (6).

3. The EF interface lens assembly of claim 1, wherein the lens housing (2) has a fabrication hole (4), the fabrication hole (4) is coaxially disposed with the connection hole (6), and the fabrication hole (4) is disposed on the lens housing (2).

4. The EF interface lens assembly of claim 3, wherein the diameter of the process hole (4) is larger than the diameter of the connection hole (6).

5. The EF-interface lens assembly of claim 1, wherein the number of the mounting holes (5) is 3, and the mounting holes (5) are uniformly distributed on the circumference of the fixing ring body (1).

6. The EF-interface lens assembly of claim 2, wherein the lens housing (2) has a receiving space therein for receiving an end of the screw (3), and the screw (3) has a threaded portion having a length greater than that of the receiving space.

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