CN218037629U

CN218037629U - Lens cap assembly

Info

Publication number: CN218037629U
Application number: CN202221885394.XU
Authority: CN
Inventors: 孙志强; 吴俊发; 孙同波; 程利
Original assignee: Infiray Technologies Co Ltd
Current assignee: Infiray Technologies Co Ltd
Priority date: 2022-07-20
Filing date: 2022-07-20
Publication date: 2022-12-13
Anticipated expiration: 2032-07-20

Abstract

The application discloses lens cap subassembly, including camera lens machine with, clamping ring, lens cap and clamping ring, wherein, on the camera lens machine with is located to the clamping ring cover, the clamping ring is rotationally connected to the lens cap, the lens cap be used for rotating relatively with the clamping ring to realize opening or closing of camera lens, lens machine with is connected to clamping ring detachably, the clamping ring is used for compressing tightly the clamping ring, and the clamping ring is used for fixed lens cap when the lens cap is closed. Above-mentioned lens cap subassembly, easy dismounting, simultaneously, can guarantee that whole lens cap subassembly equipment back reliability is high to can solve because the lens cap leads to the easy problem of wearing and tearing inefficacy with the clamping ring back-off cooperation, thereby can improve the life of lens cap subassembly greatly.

Description

Lens cap assembly

Technical Field

The application relates to the technical field of electronic equipment, in particular to a lens cap assembly.

Background

As is well known, in order to protect the lens, the thermal infrared imager product must be covered with a lens cover when not in use. At present, a lens cover made of hard rubber plastic and a compression ring made of soft rubber are commonly used for the thermal infrared imager, and the lens cover is rotated in an interference mode. However, the damping sense is felt relatively poorly to this kind of setting mode, and clamping ring and camera lens also are interference fit, leads to the equipment difficulty, and meanwhile, when the camera lens lid closes with the clamping ring back-off cooperation, long-term use causes wearing and tearing so that the inefficacy easily. Therefore, there is a need in the art to provide a lens cover assembly that is easy to assemble and less prone to wear failure.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a lens cap subassembly, the equipment is convenient, and the reliability is high, can improve life greatly.

To achieve the above object, the present application provides a lens cap assembly, comprising:

adding a lens machine;

the compression ring is sleeved on the lens machine machining piece;

the lens cover is rotatably connected with the pressing ring and used for rotating relative to the pressing ring so as to open or close the lens;

the pressing ring is detachably connected with the lens machining part, is used for pressing the pressing ring on the lens machining part and is used for fixing the lens cover when the lens cover is closed.

In some embodiments, the retractable rotating shaft assembly is further included, the pressing ring is provided with two oppositely arranged lugs, the lens cover is provided with a rotating protrusion, the rotating protrusion is arranged between the two lugs, and the rotating protrusion is rotatably connected with the two lugs through the rotating shaft assembly.

In some embodiments, the locking device further comprises a locking screw, the locking screw comprises a threaded connection section and a rotating connection section, the rotating protrusion is provided with a first groove and a second groove, the threaded connection section is in threaded connection with the lug on one side, the rotating connection section extends into the first groove, the rotating shaft assembly is arranged in the second groove, and the telescopic end of the rotating shaft assembly extends into the lug on the other side, so that the rotating protrusion and the two lugs rotate relatively.

In some embodiments, the rotation shaft assembly further comprises an elastic part for providing elastic force to the telescopic end of the rotation shaft assembly, so that the telescopic end of the rotation shaft assembly has a tendency to extend out of the rotation shaft assembly.

In some embodiments, a gap of 0.01-0.2mm is reserved between the rotary connecting section and the lens cover, between the rotary shaft assembly and the pressure ring, between the pressure ring and the lens machine processing piece, and between the lens cover and the pressure ring.

In some embodiments, the lens cap, the pressing ring, the set screw, the pressing ring and the lens machining piece are made of aluminum alloy.

In some embodiments, the lens further comprises a first O-ring, the first O-ring is arranged on the lens cover or the pressing ring, and the first O-ring is used for generating a damping feeling when the lens cover is opened or closed.

In some embodiments, the lens barrel further comprises a second O-ring, the second O-ring is arranged between the pressing ring and the lens machine machining piece, and the second O-ring is used for preventing the pressing ring and the lens machine machining piece from rotating relatively and preventing the pressing ring and the lens machine machining piece from colliding.

In some embodiments, the pressing ring is provided with an annular receiving groove for receiving the pressing ring.

In some embodiments, the pressing ring is threadedly connected with the lens machine.

For above-mentioned background art, the lens cap subassembly that this application embodiment provided, including camera lens machine with parts, clamping ring, lens cap and clamping ring, wherein, the clamping ring cover is located on camera lens machine with parts, the lens cap rotationally connects the clamping ring, the lens cap is used for rotating relatively with the clamping ring to realize opening or closing of camera lens, lens machine with parts is connected to clamping ring detachably, the clamping ring is used for compressing tightly the clamping ring on camera lens machine with parts, and the clamping ring is used for fixed lens cap when the lens cap is closed. Therefore, when the lens is not used, the lens cover can rotate relative to the pressing ring, so that the lens cover is fixed on the pressing ring, and the lens cover and the lens are covered. Compared with the traditional lens cap structure, on one hand, the lens cap assembly provided by the embodiment of the application is convenient to disassemble and assemble by detachably connecting the pressing ring and the lens machine processing piece, and meanwhile, the pressing ring can be pressed while the pressing ring is connected with the lens machine processing piece, so that the whole lens cap assembly structure is not easy to fall off, and the reliability of the assembled structure is high; on the other hand, compare in traditional lens cap and clamping ring interference rotation, the lens cap in this application embodiment is connected with the clamping ring rotation, and is fixed in the clamping ring when the lens cap closes, can solve because the lens cap leads to the problem of wearing and tearing inefficacy easily with the clamping ring back-off cooperation to can improve the life of lens cap subassembly greatly.

Drawings

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

FIG. 1 is an exploded view of a lens cap assembly according to an embodiment of the present application;

FIG. 2 is a schematic view illustrating a rotational connection between a lens cap and a press ring of the lens cap assembly shown in FIG. 1;

FIG. 3 is a cross-sectional view of the lens cap assembly after assembly according to the present disclosure;

fig. 4 is an external structural view of the lens cap assembly after assembly according to the embodiment of the present disclosure.

Wherein:

the optical lens comprises a lens cover 1, a rotating protrusion 11, a first groove 111, a second groove 112, a first O-shaped ring 2, a pressing ring 3, a set screw 4, a threaded connection section 41, a rotating connection section 42, a rotating shaft assembly 5, a telescopic end 51, an elastic part 52, a second O-shaped ring 6, a pressing ring 7, a lug 71, an annular accommodating groove 72 and a lens machining part 8.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments in the present application without making any creative effort belong to the protection scope of the present application.

In order to better understand the technical scheme of the present application, the following detailed description is provided for the person skilled in the art with reference to the accompanying drawings and the detailed description.

It should be noted that the following directional terms such as "upper end, lower end, left side, right side" and the like are defined based on the drawings of the specification.

Referring to fig. 1, a lens cover assembly provided in the embodiment of the present application includes a lens machine processing component 8, a pressing ring 7, a lens cover 1 and a pressing ring 3, where the pressing ring 7 is sleeved on the lens machine processing component 8, the lens cover 1 is rotatably connected to the pressing ring 7, the lens cover 1 is configured to rotate relative to the pressing ring 7 to open or close a lens, the pressing ring 3 is detachably connected to the lens machine processing component 8, the pressing ring 3 is configured to press the pressing ring 7, and the pressing ring 3 is configured to fix the lens cover 1 when the lens cover 1 is closed.

It should be noted that, the lens machine processing piece 8 is used as a partial structure of the lens, and during assembly, the lens cap 1 and the pressing ring 7 are assembled and then integrally sleeved on the lens machine processing piece 8, and then the lens cap 1 is lifted, and the pressing ring 3 is detachably connected to the lens machine processing piece 8, so that the pressing ring 7 is pressed on the lens machine processing piece 8, and the structure of the whole lens cap 1 is ensured not to fall off. After the assembly is completed, the opening and closing actions of the lens cover assembly can be realized.

Thus, when the lens is not used, the lens cap 1 can be rotated with respect to the pressing ring 7, and the lens cap 1 is fixed to the pressing ring 3, thereby closing the lens cap 1 and the lens.

Compared with the structure of the traditional lens cap 1, on one hand, the lens cap assembly provided by the embodiment of the application is convenient to disassemble and assemble by detachably connecting the pressing ring 3 and the lens machine processing piece 8, and meanwhile, the pressing ring 7 can be pressed while the pressing ring 3 is connected with the lens machine processing piece 8, so that the whole lens cap assembly structure is not easy to fall off, and the structure reliability is high after assembly; on the other hand, compare in traditional lens cap 1 and the interference of clamping ring 7 and rotate, lens cap 1 in the embodiment of this application rotates with clamping ring 7 and is connected, and is fixed in clamping ring 3 when lens cap 1 closes, can solve because lens cap 1 and clamping ring 7 back-off cooperation lead to the problem of wearing and tearing inefficacy easily to can improve the life of lens cap subassembly greatly.

In some embodiments, the lens cap assembly further includes a retractable rotation shaft assembly 5, the pressing ring 7 is provided with two oppositely disposed lugs 71, the lens cap 1 is provided with a rotation protrusion 11, the rotation protrusion 11 is disposed between the two lugs 71, and the rotation protrusion 11 and the two lugs 71 are rotatably connected through the rotation shaft assembly 5.

Of course, the above-mentioned rotary connection of the rotary lug 11 to the two lugs 71 can be made by reference to the way in which the strap is connected to the watch case by a lug. That is to say that the both ends of pivot subassembly 5 all are equipped with flexible end 51, two flexible ends 51 can follow the axis direction concertina movement of pivot subassembly 5, during the equipment, install pivot subassembly 5 on rotating the arch 11 earlier, and two flexible ends 51 stretch out respectively in the both ends of rotating the arch 11, then retract two flexible ends 51, so that rotate protruding 11 card and go into between two lugs 71, afterwards, two flexible ends 51 stretch out and go into respectively in two lugs 71, thereby realize rotating being connected of protruding 11 and two lugs 71, and rotate protruding 11 and can revolute the axis rotation of pivot subassembly 5.

Of course, the rotary lug 11 and the two lugs 71 may have other connection modes, provided that the rotary lug 11 and the two lugs 71 can be connected in a rotating manner.

In some embodiments, referring to fig. 2 together, the lens cap assembly further includes a set screw 4, the set screw 4 is in threaded connection with the pressing ring 7, the set screw 4 includes a threaded connection section 41 and a rotational connection section 42, an outer diameter of the threaded connection section 41 is greater than an outer diameter of the rotational connection section 42, the rotational protrusion 11 is provided with a first groove 111 and a second groove 112, the first groove 111 and the second groove 112 are coaxially arranged, the threaded connection section 41 is in threaded connection with the lug 71 on one side, the rotational connection section 42 extends into the first groove 111, the rotational shaft assembly 5 is provided in the second groove 112, and the telescopic end 51 of the rotational shaft assembly 5 extends into the lug 71 on the other side, so that the rotational protrusion 11 and the two lugs 71 rotate relatively.

The embodiment of the application preferably adopts a rotating connection mode of combining the set screw 4 and the rotating shaft assembly 5.

It should be noted that, the press ring 7 and the lens cover 1 are connected by the rotating shaft assembly 5, when the two are assembled, the rotating shaft assembly 5 needs to be placed into the second groove 112 of the lens cover 1 first, then the telescopic end 51 of the rotating shaft assembly 5 is compressed, and the telescopic end 51 extends into the groove corresponding to the lug 71 on the right side of the press ring 7 to form an inverse buckle, meanwhile, the lug 71 on the left side of the press ring 7 is screwed into the set screw 4, so that the threaded connection section 41 of the set screw 4 is screwed into the lug 71 on the side, and the rotation connection section 42 extends into the first groove 111 of the rotation protrusion 11. This enables the lens cap 1 to be rotated relative to the pressing ring 7.

Of course, the telescopic end 51 of the rotating shaft assembly 5 can also be provided with a spring plug structure according to actual requirements, and the spring plug is used for extending into the lug 71 of the pressing ring 7 to facilitate the rotation of the lens cover 1.

In some embodiments, the rotation shaft assembly 5 further includes an elastic portion 52, the elastic portion 52 is disposed in the rotation shaft assembly 5, the elastic portion 52 and the telescopic end 51 may be an integral structure (spring plug), and the elastic portion 52 is used for providing an elastic force to the telescopic end 51, so that the telescopic end 51 has a tendency to extend out of the rotation shaft assembly 5.

Of course, the elastic portion 52 and the telescopic end 51 may also be a split structure, for example, the elastic portion 52 may be a compression spring, and correspondingly, a receiving groove for receiving the elastic portion 52 is provided in the rotating shaft assembly 5, and two ends of the compression spring respectively abut against the rotating shaft assembly 5 and the telescopic end 51.

In some embodiments, mounting gaps need to be reserved between the structural members for convenient mounting. Specifically, referring to fig. 2, a gap of 0.01-0.2mm is provided between the rotating shaft assembly 5 and the rotating protrusion 11 of the lens cover 1 and between the rotating shaft assembly and the lug 71 of the pressing ring 7, and meanwhile, in order to ensure the reliability of rotation, a gap of 0.01-0.2mm is also reserved between the non-threaded portion (the rotating connecting section 42) on the set screw 4 and the rotating protrusion 11 of the lens cover 1; referring to fig. 3, for the convenience of assembly, a gap of 0.01-0.2mm is reserved between the press ring 7 and the lens machining element 8. In addition, after the pressing ring 3 and the lens machine adding piece 8 are assembled, as the lens cover 1 needs to be opened and closed repeatedly, a gap of 0.01-0.2mm is reserved between the lens cover 1 and the pressing ring 3.

It should be noted that the reserved gaps between the above structural members are all between 0.01 and 0.2mm through adaptation and adjustment, the reserved gaps cannot be too small or too large, the too small gaps can cause difficulty in assembly between the structural members, and the wear is severe after long-time use, which causes the short service life of the product; too large a gap can affect the effective contact of the matching surfaces between the rotating shaft structural parts, affect the use hand feeling and even cause the failure of the rotating function.

In some embodiments, the lens cover assembly further comprises a first O-ring 2, the first O-ring 2 is disposed on the lens cover 1 or the pressing ring 3, and the first O-ring 2 is used for generating a damping feeling when the lens cover 1 is opened or closed.

Specifically, the lens cap 1 is correspondingly provided with a sealing groove for mounting the first O-ring 2, and during assembly, the first O-ring 2 is placed in the sealing groove corresponding to the lens cap 1, so that the damping feeling can be ensured when the lens cap 1 is lifted.

In addition, the first O-shaped ring 2 can also realize the fastening of the lens cover 1 on the pressing ring 3 when the lens cover 1 is closed; that is to say, the first O-ring 2 can make the lens cover 1 self-lock when closed, and prevent the lens cover 1 from automatically opening.

In some embodiments, the lens cap assembly further includes a second O-ring 6, the second O-ring 6 is disposed between the pressing ring 7 and the lens machining part 8, and the second O-ring 6 is used for preventing the pressing ring 7 and the lens machining part 8 from rotating relatively and preventing the pressing ring 7 and the lens machining part 8 from colliding with each other.

For example, an installation groove can be formed in the inner wall of the pressing ring 7, the second O-shaped ring 6 is installed in the installation groove, the second O-shaped ring 6 protrudes out of the inner wall of the pressing ring 7, a preset gap is kept between the pressing ring 7 and the lens machining piece 8, and the pressing ring 7 and the lens machining piece 8 are protected.

Referring to fig. 4, fig. 4 shows an assembled lens cap assembly, wherein the lens cap 1, the pressing ring 3, the set screw 4, the pressing ring 7 and the lens machining part 8 are made of aluminum alloy, the first O-ring 2 and the second O-ring 6 are made of silica gel, and the rotating shaft assembly 5 is made of a combination of aluminum alloy and plastic, so that the entire lens cap 1 is made of aluminum alloy, and the rigidity and long-term reliability of the entire structure can be ensured.

In some embodiments, the pressing ring 3 is screwed with the lens machine 8.

Specifically, the inner wall of lens machine with 8 and the outer wall of clamping ring 3 two are equipped with the screw thread of mutually supporting, and the clamping ring 7 cover back on lens machine with 8 lifts lens cap 1, passes through threaded fixation with clamping ring 3 and lens machine with 8 to compress tightly clamping ring 7, guarantee that whole lens cap 1 structure does not drop.

In some embodiments, to facilitate compression of the pressure ring 7, the pressure ring 7 is provided with an annular receiving groove 72, the annular receiving groove 72 being adapted to receive the pressure ring 3.

So, after clamping ring 3 and lens machine add 8 threaded connection, annular holding tank 72 is accomodate into to clamping ring 3, and this moment, the top surface of clamping ring 3 can set up to flush with the top surface of clamping ring 7 to guarantee the leakproofness after lens lid 1 lid closes.

The application provides a lens cap subassembly, as imaging device's lens cap subassembly, imaging device can be telescope, sight, camera, thermal infrared imager etc..

It is noted that, in this specification, relational terms such as first and second, and the like are used solely to distinguish one entity from another entity without necessarily requiring or implying any actual such relationship or order between such entities.

The lens cover assembly provided by the present application is described in detail above. The principle and the implementation of the present application are explained herein by using specific examples, and the above descriptions of the examples are only used to help understand the scheme and the core idea of the present application. It should be noted that, for those skilled in the art, it is possible to make several improvements and modifications to the present application without departing from the principle of the present application, and such improvements and modifications also fall within the scope of the claims of the present application.

Claims

1. A lens cap assembly, comprising:

a lens machine adding piece (8);

the compression ring (7) is sleeved on the lens machining piece (8);

the lens cover (1) is rotatably connected with the pressing ring (7) and is used for rotating relative to the pressing ring (7) so as to open or close the lens;

pressing ring (3), detachably connects lens machine adds piece (8), be used for with clamping ring (7) compress tightly in lens machine adds on piece (8), and be used for lens cap (1) is fixed when closed lens cap (1).

2. The lens cover assembly of claim 1, further comprising a retractable shaft assembly (5), wherein the pressing ring (7) is provided with two lugs (71) arranged oppositely, the lens cover (1) is provided with a rotating protrusion (11), the rotating protrusion (11) is arranged between the two lugs (71), and the rotating protrusion (11) is rotatably connected with the two lugs (71) through the shaft assembly (5).

3. The lens cover assembly of claim 2, further comprising a set screw (4), wherein the set screw (4) comprises a threaded connection section (41) and a rotary connection section (42), the rotary protrusion (11) is provided with a first groove (111) and a second groove (112), the threaded connection section (41) is in threaded connection with the lug (71) on one side, the rotary connection section (42) extends into the first groove (111), the rotary shaft assembly (5) is provided with the second groove (112), and the telescopic end (51) of the rotary shaft assembly (5) extends into the lug (71) on the other side, so that the rotary protrusion (11) and the two lugs (71) rotate relatively.

4. A lens cap assembly according to claim 3, wherein the spindle assembly (5) further comprises an elastic portion (52), the elastic portion (52) being adapted to provide an elastic force to the telescopic end (51) of the spindle assembly (5) so that the telescopic end (51) of the spindle assembly (5) has a tendency to extend out of the spindle assembly (5).

5. The lens cap assembly according to claim 3, wherein a gap of 0.01-0.2mm is reserved between the rotary connecting section (42) and the lens cap (1), between the rotary shaft assembly (5) and the pressing ring (7), between the pressing ring (7) and the lens machining tool (8), and between the lens cap (1) and the pressing ring (3).

6. The lens cap assembly of claim 3, wherein the lens cap (1), the pressing ring (3), the set screw (4), the pressing ring (7) and the lens machining part (8) are made of aluminum alloy.

7. The lens cap assembly according to any one of claims 1-6, further comprising a first O-ring (2), wherein the first O-ring (2) is provided on the lens cap (1) or the pressing ring (3), and wherein the first O-ring (2) is used for generating a damping feeling when the lens cap (1) is opened or closed.

8. The lens cap assembly according to any one of claims 1 to 6, further comprising a second O-ring (6), wherein the second O-ring (6) is disposed between the pressing ring (7) and the lens engine (8), and the second O-ring (6) is used for preventing the pressing ring (7) and the lens engine (8) from rotating relatively and for preventing the pressing ring (7) and the lens engine (8) from colliding with each other.

9. A lens cap assembly according to any one of claims 1 to 6, wherein the compression ring (7) is provided with an annular receiving groove (72), the annular receiving groove (72) being adapted to receive the compression ring (3).

10. A lens cap assembly according to any one of claims 1 to 6, wherein the pressing ring (3) is screw-coupled to the lens engine (8).