CN215376053U

CN215376053U - Lens base, lens assembly and projector

Info

Publication number: CN215376053U
Application number: CN202120188436.3U
Authority: CN
Inventors: 赵文; 尹蕾
Original assignee: Chengdu Jimi Technology Co Ltd
Current assignee: Chengdu Jimi Technology Co Ltd; Chengdu XGIMI Technology Co Ltd
Priority date: 2021-01-22
Filing date: 2021-01-22
Publication date: 2021-12-31
Anticipated expiration: 2031-01-22

Abstract

The utility model discloses a lens base, a lens assembly and a projector, and relates to the technical field of projectors. The lens base includes a base body and a reinforcing plate. The reinforcing plate is attached to the base body and fixedly connected with the base body, and the base body is used for mounting the lens. Compared with the prior art, the lens base provided by the utility model adopts the reinforcing plate which is attached to the base body and fixedly connected with the base body, so that the strength of the base body can be improved, the base body is prevented from deforming and even breaking, and the lens base is stable and reliable and has long service life.

Description

Lens base, lens assembly and projector

Technical Field

The utility model relates to the technical field of projectors, in particular to a lens base, a lens assembly and a projector.

Background

At present, with the improvement of living standard, people have higher and higher requirements on projectors, the functions of a projection lens in the projector are continuously enhanced, the weight of the projection lens is increased, and the larger the weight of the projection lens is, the higher the requirement on the bearing capacity of a lens base is. However, the existing lens base is generally made of plastic, the strength is insufficient, when the existing lens base bears the increasingly heavy projection lens, the lens base is easy to deform or even break, the service life is short, and the user experience is influenced.

In view of the above, it is important to design and manufacture a stable and reliable lens base, lens assembly and projector, especially in the production of projectors.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a lens base which can improve the strength of a base body, prevent the base body from deforming and even breaking, is stable and reliable and has long service life.

Another objective of the present invention is to provide a lens assembly, which can improve the strength of the base body, prevent the base body from deforming and even breaking, and is stable and reliable and has a long service life.

Another object of the present invention is to provide a projector, which can improve the strength of the base body, prevent the base body from deforming and even breaking, and is stable and reliable, long in service life, and good in user experience.

The utility model is realized by adopting the following technical scheme.

The utility model provides a camera lens base, includes base body and reinforcing plate, and the reinforcing plate sets up with the base body laminating, and fixed connection, and the base body is used for installing the camera lens.

Optionally, the reinforcing plate is embedded in one side of the base body and is connected with the base body through in-film injection molding or hot riveting.

Optionally, the reinforcing plate is a metal plate.

Optionally, the reinforcing plate is an electrolytic lead-free galvanized steel plate or an aluminum alloy plate.

Optionally, the edge of the reinforcing plate extends towards one side close to the base body and is provided with a flange.

Optionally, the cuff extends into the base body.

Optionally, the base body includes a flange portion and an extension portion, the flange portion is fixedly connected with the extension portion, the extension portion is sleeved outside the lens, and the flange portion is fixedly connected with the reinforcing plate.

Optionally, the flange portion has a first through hole, the reinforcing plate has a second through hole, and the first through hole corresponds to the second through hole.

Optionally, one side of the flange part close to the reinforcing plate is provided with a net-shaped reinforcing rib.

The utility model provides a lens subassembly, includes camera lens, ray apparatus main part and foretell camera lens base, and this camera lens base includes base body and reinforcing plate, and the reinforcing plate sets up with the base body laminating, and fixed connection, and the camera lens is installed on base body, and base body fixed mounting is in ray apparatus main part, and the reinforcing plate sets up between base body and ray apparatus main part.

Optionally, the lens assembly further includes an adjusting screw, and the adjusting screw sequentially passes through the base body and the reinforcing plate, and is matched with the optical engine main body.

Optionally, the lens assembly further includes an elastic member, one end of the elastic member abuts against the reinforcing plate, and the other end of the elastic member abuts against the optical engine main body.

Optionally, the reinforcing plate is provided with a butting area, and the elastic member butts against the butting area.

Optionally, the lens assembly further includes an adjusting ring, and the adjusting ring is sleeved outside the base body.

Optionally, the lens assembly further includes a sealing ring, and the sealing ring is sleeved outside the lens and abuts against the base body.

The utility model provides a projector, includes foretell camera lens subassembly, this camera lens subassembly includes camera lens, ray apparatus main part and camera lens base, and the camera lens base includes base body and reinforcing plate, and the reinforcing plate sets up with the base body laminating, and fixed connection, and the camera lens is installed on base body, and base body fixed mounting is on ray apparatus main part, and the reinforcing plate sets up between base body and ray apparatus main part.

The lens base, the lens assembly and the projector provided by the utility model have the following beneficial effects:

according to the lens base provided by the utility model, the reinforcing plate is attached to and fixedly connected with the base body, and the base body is used for mounting a lens. Compared with the prior art, the lens base provided by the utility model adopts the reinforcing plate which is attached to the base body and fixedly connected with the base body, so that the strength of the base body can be improved, the base body is prevented from deforming and even breaking, and the lens base is stable and reliable and has long service life.

The lens assembly provided by the utility model comprises the lens base, the strength of the base body can be improved, the base body is prevented from deforming and even breaking, and the lens assembly is stable, reliable and long in service life.

The projector provided by the utility model comprises the lens component, can improve the strength of the base body, prevents the base body from deforming and even breaking, and is stable, reliable, long in service life and good in user experience.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a schematic view of a first view angle of a projection module according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a second viewing angle of the lens assembly according to the embodiment of the present invention;

fig. 3 is a schematic structural diagram of a third viewing angle of the lens assembly according to the embodiment of the present invention;

fig. 4 is a cross-sectional view of a lens assembly provided in an embodiment of the present invention;

fig. 5 is a schematic structural diagram of a lens mount according to an embodiment of the present invention;

fig. 6 is a cross-sectional view of a lens mount provided in an embodiment of the utility model;

fig. 7 is a schematic structural diagram of a base body in a lens base according to an embodiment of the present invention;

fig. 8 is a schematic structural diagram of a reinforcing plate in a lens mount according to an embodiment of the present invention.

Icon: 100-a lens assembly; 110-a lens mount; 111-a base body; 115-flange portion; 116-an extension; 117 — a first via; 118-mesh reinforcement; 120-a reinforcement plate; 121-flanging; 122-a second via; 123-a holding area; 130-a light machine main body; 140-adjusting screws; 150-an elastic member; 160-lens; 170-adjusting ring; 180-sealing ring.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that the terms "inside", "outside", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or orientations or positional relationships conventionally placed when the products of the present invention are used, and are only used for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "connected," "mounted," and "connected" are to be construed broadly and may, for example, be 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 meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Some embodiments of the utility model are described in detail below with reference to the accompanying drawings. Features in the embodiments described below may be combined with each other without conflict.

Referring to fig. 1, fig. 2, fig. 3, fig. 4 and fig. 5, an embodiment of the utility model provides a projector (not shown) for implementing a projection function. The strength of the lens base 110 can be improved, the lens base 110 is prevented from deforming and even breaking, stability and reliability are achieved, the service life is long, and user experience is good.

Note that the projector includes the lens assembly 100 and a housing (not shown). The lens assembly 100 is mounted in a housing, the lens assembly 100 is used for a projection function, and the lens assembly 100 can have sufficient strength to avoid deformation without sacrificing other functional design space, and the housing is used for shielding and protecting the lens assembly 100.

The lens assembly 100 includes a lens base 110, an opto-mechanical body 130, an adjusting screw 140, an elastic member 150, a lens 160, an adjusting ring 170, and a sealing ring 180. The lens 160 is mounted on the lens base 110, and the lens base 110 is fixedly connected with the optical engine main body 130. The elastic element 150 is disposed between the lens base 110 and the optical engine main body 130, one end of the elastic element 150 abuts against the lens base 110, and the other end abuts against the optical engine main body 130. The adjusting screw 140 penetrates through the lens base 110 and is engaged with the opto-mechanical body 130, and the adjusting screw 140 can be screwed or unscrewed with respect to the opto-mechanical body 130.

It should be noted that the adjusting ring 170 is sleeved outside the lens base 110, the lens base 110 is sleeved outside the lens 160, and the adjusting ring 170 is used for adjusting the focal length of the lens 160. The sealing ring 180 is sleeved outside the lens 160 and abuts against the lens base 110, and the sealing ring 180 is used for sealing a gap between the lens 160 and the lens base 110.

The lens mount 110 includes a mount body 111 and a reinforcing plate 120. The reinforcing plate 120 is attached to the base body 111 and is fixedly connected thereto. The mount body 111 is used to mount the lens 160, and the reinforcing plate 120 is used to improve the strength of the mount body 111. Specifically, the lens 160 is mounted on the base body 111, and the base body 111 is fixedly mounted on the optical engine main body 130. The reinforcing plate 120 is disposed between the base body 111 and the optical engine main body 130, and the reinforcing plate 120 is used to improve the strength of the base body 111, so that the base body 111 can bear the lens 160 with a large weight without deformation or even fracture.

In this embodiment, the elastic member 150 is disposed between the reinforcing plate 120 and the optical engine main body 130, one end of the elastic member 150 abuts against the reinforcing plate 120, and the other end abuts against the optical engine main body 130. The adjusting screw 140 sequentially penetrates through the base body 111 and the reinforcing plate 120, and is matched with the optical main body 130, and the adjusting screw 140 can be screwed or unscrewed relative to the optical main body 130. Specifically, the reinforcing plate 120 is provided with a supporting area 123, and the elastic member 150 is supported on the supporting area 123. Further, the holding area 123 is circular, but is not limited thereto, and in other embodiments, the holding area 123 may also be square, and the shape of the holding area 123 is not particularly limited.

It is noted that the elastic member 150 cooperates with the adjustment screw 140 to perform a tilt adjustment function of the lens 160. Specifically, the elastic element 150 is always in a compressed state, and the elastic element 150 can apply an elastic force to the reinforcing plate 120, so as to move the reinforcing plate 120 away from the optical engine main body 130, and thus move the lens 160 away from the optical engine main body 130; the adjusting screw 140 connects the lens 160 with the optical engine main body 130, the adjusting screw 140 can fix the relative position of the lens 160 and the optical engine main body 130, and the distance between the lens 160 and the optical engine main body 130 can be adjusted by screwing the adjusting screw 140, so as to adjust the inclination degree of the lens 160.

In this embodiment, the number of the adjusting screws 140 is four, the four adjusting screws 140 are distributed in a rectangular array, and all of the four adjusting screws 140 can penetrate through the base body 111 and the reinforcing plate 120 and are matched with the optical machine main body 130; the number of the elastic members 150 is two, the two elastic members 150 are oppositely disposed at both sides of the lens 160, and the two elastic members 150 simultaneously apply an elastic force to the reinforcing plate 120 to improve the stability of the tilt adjusting function. Further, the screwing positions of the four adjusting screws 140 may be the same or different, so as to adjust the inclination degree of the lens 160 from multiple directions, which is convenient and practical.

In this embodiment, the number of the abutting areas 123 is two, the two abutting areas 123 are oppositely disposed on two sides of the lens 160, and each abutting area 123 is used for abutting against one elastic member 150, so as to improve the stability of the two elastic members 150 applying elasticity to the reinforcing plate 120 together.

In this embodiment, the elastic member 150 is a spring, but the utility model is not limited thereto, and in other embodiments, the elastic member 150 may be an elastic rubber, and the material of the elastic member 150 is not particularly limited.

It should be noted that the reinforcing plate 120 is a metal plate, and the reinforcing plate 120 can reinforce the chassis body 111 and reduce the weight of the entire lens chassis 110, thereby achieving light weight of the lens chassis 110. When the chassis body 111 carries the lens 160, most of the force applied by the lens 160 to the chassis body 111 is borne by the reinforcing plate 120, and the strength of the metal plate with the same thickness is much higher than that of the plastic plate, so that the problem of deformation of the chassis body 111 can be greatly improved by the reinforcing plate 120. In the present embodiment, the reinforcing plate 120 is an electrolytic lead-free galvanized steel plate or an aluminum alloy plate, but the present invention is not limited thereto, and in other embodiments, the reinforcing plate 120 may be a copper alloy plate, and the material of the reinforcing plate 120 is not particularly limited.

In this embodiment, the stiffener 120 is embedded in one side of the base body 111, and is connected to the base body 111 by injection molding to fix the relative position between the stiffener 120 and the base body 111. However, the present invention is not limited thereto, and in other embodiments, the reinforcing plate 120 may be heat-staked to the base body 111, and the connection manner of the reinforcing plate 120 and the base body 111 is not particularly limited.

Referring to fig. 6, fig. 7 and fig. 8, in the present embodiment, a flange 121 extends from an edge of the reinforcing plate 120 to a side close to the base body 111, and the flange 121 extends into the base body 111 to improve the strength of the reinforcing plate 120 itself and the connection strength between the reinforcing plate 120 and the base body 111. Specifically, the reinforcing plate 120 is rectangular, the number of the flanges 121 is four, and the four flanges 121 are respectively disposed on four straight edges of the reinforcing plate 120. However, the number of the turned edges 121 is not limited to two, and in other embodiments, the number and the arrangement position of the turned edges 121 may be not particularly limited.

The base body 111 includes a flange portion 115 and an extension portion 116. The flange portion 115 is fixedly connected to the extending portion 116, and in the embodiment, the flange portion 115 and the extending portion 116 are integrally formed to improve the connection strength. The extension portion 116 is sleeved outside the lens 160, and the extension portion 116 is used for limiting the lens 160. The flange portion 115 is fixedly connected with the reinforcing plate 120, the turned edge 121 extends into the flange portion 115, and the reinforcing plate 120 is used for improving the strength of the flange portion 115 so as to prevent the flange portion 115 from deforming and even breaking.

In this embodiment, the flange portion 115 is provided with a first through hole 117, the reinforcing plate 120 is provided with a second through hole 122, the position of the first through hole 117 corresponds to the position of the second through hole 122, and the adjusting screw 140 sequentially passes through the first through hole 117 and the second through hole 122 and is matched with the optical engine main body 130. Specifically, the number of the first through holes 117 and the second through holes 122 is four, and each adjusting screw 140 can sequentially pass through one first through hole 117 and one second through hole 122 and is matched with the optical engine main body 130.

In this embodiment, the net-shaped reinforcing ribs 118 are disposed on one side of the flange portion 115 close to the reinforcing plate 120, and the net-shaped reinforcing ribs 118 can improve the strength of the flange portion 115 and further prevent the flange portion 115 from deforming or even breaking.

In the lens base 110 provided by the embodiment of the present invention, the reinforcing plate 120 is attached to and fixedly connected with the base body 111, and the base body 111 is used for mounting the lens 160. Compared with the prior art, the lens base 110 provided by the utility model adopts the reinforcing plate 120 which is attached to the base body 111 and fixedly connected with the base body 111, so that the strength of the base body 111 can be improved, the base body 111 is prevented from deforming and even breaking, and the lens base is stable and reliable and has long service life. Make lens subassembly 100 reliable and stable to make the projecting apparatus non-deformable, user experience is good.

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a lens base, its characterized in that, includes base body and reinforcing plate, the reinforcing plate with the base body laminating sets up, and fixed connection, base body is used for installing the camera lens, base body includes flange portion and extension, flange portion with extension fixed connection, the extension cover is located outside the camera lens, flange portion with reinforcing plate fixed connection.

2. The lens mount as claimed in claim 1, wherein the reinforcing plate is embedded in one side of the mount body and is in an injection molding or hot riveting connection with the mount body.

3. The lens mount of claim 1, wherein the stiffener is a metal plate.

4. The lens mount of claim 3, wherein the reinforcing plate is an electrolytic lead-free galvanized steel plate or an aluminum alloy plate.

5. The lens mount as claimed in claim 1, wherein a flange is provided to extend from an edge of the reinforcing plate toward a side close to the mount body.

6. The lens mount of claim 5, wherein the flange extends into the mount body.

7. The lens mount as claimed in claim 1, wherein the flange portion defines a first through hole, the reinforcing plate defines a second through hole, and the first through hole is located at a position corresponding to the second through hole.

8. The lens mount as claimed in claim 1, wherein a mesh reinforcement rib is provided on a side of the flange portion adjacent to the reinforcement plate.

9. A lens assembly comprising a lens, an opto-mechanical body and the lens mount of any one of claims 1 to 8, wherein the lens is mounted on the mount body, the mount body is fixedly mounted on the opto-mechanical body, and the reinforcing plate is disposed between the mount body and the opto-mechanical body.

10. The lens assembly of claim 9, further comprising an adjustment screw passing through the base body and the stiffener in sequence and engaging with the opto-mechanical body.

11. The lens assembly of claim 9, further comprising an elastic member, wherein one end of the elastic member abuts against the reinforcing plate, and the other end of the elastic member abuts against the optical engine body.

12. The lens assembly of claim 11, wherein the reinforcing plate is provided with a holding area, and the elastic member is held against the holding area.

13. The lens assembly of claim 9, further comprising an adjustment ring that is disposed outside the base body.

14. The lens assembly of claim 9, further comprising a sealing ring, wherein the sealing ring is sleeved outside the lens and abuts against the base body.

15. A projector comprising the lens assembly of any one of claims 9 to 14.