CN212341664U

CN212341664U - Projection display device

Info

Publication number: CN212341664U
Application number: CN202021398994.4U
Authority: CN
Inventors: 俞根富; 朱幸福; 马红虎; 李德明; 刘风雷
Original assignee: Zhejiang Crystal Optech Co Ltd
Current assignee: Zhejiang Crystal Optech Co Ltd
Priority date: 2020-07-15
Filing date: 2020-07-15
Publication date: 2021-01-12
Anticipated expiration: 2030-07-15

Abstract

The utility model provides a projection display device relates to projection technical field, the utility model provides a projection display device, include: a housing, an image source, and a lens assembly; the image source is arranged in the shell; the lens component is rotatably connected with the opening of the shell, and the rotating shaft of the lens component is parallel to the picture of the image source. The utility model provides a projection display device can form the projection picture in the air, and the picture of adjustable image source and the contained angle of lens subassembly to change the effect of picture, strengthen the third dimension of projection picture.

Description

Projection display device

Technical Field

The utility model belongs to the technical field of the projection technique and specifically relates to a projection display device is related to.

Background

The projectors commonly used in the market at present are mainly applied to business office scenes, are not commonly applied to life scenes of people, and cannot bring entertainment and convenience to the life of people. At present, the mobile phone is basically an information electronic product with the highest per capita utilization rate, but the size of a displayed picture is limited. Patent publication No. CN204807905U provides a portable air projection device, which can be used with a mobile phone, but needs to form a gaseous wall curtain through steam, and needs to be replenished with water during the process, so that continuous projection cannot be performed in a long period of time, and the image angle is difficult to adjust.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a projection display device can form the projection picture in the air, and the picture of adjustable image source and the contained angle of lens subassembly to change the effect of picture, strengthen the third dimension of projection picture.

In a first aspect, the utility model provides a projection display device, include: a housing, an image source, and a lens assembly;

the image source is mounted within the housing;

the lens component is rotatably connected to the opening of the shell, and the rotating shaft of the lens component is parallel to the picture of the image source.

With reference to the first aspect, the present invention provides a first possible implementation manner of the first aspect, wherein the casing is connected to a fixed end of a lifting adjusting assembly, and a movable end of the lifting adjusting assembly is connected to the image source;

the lifting adjusting assembly is used for driving the image source so as to adjust the distance between the image source and the lens assembly.

In combination with the first aspect, the present invention provides a second possible implementation manner of the first aspect, wherein a rotating seat is installed in the casing, and the rotating seat includes: the clamping device comprises a base and a clamping frame which is rotatably connected to the base;

the clamping frame is used for installing the image source, and the rotation axis of the clamping frame is perpendicular to the picture of the image source.

In combination with the second possible implementation manner of the first aspect, the present invention provides a third possible implementation manner of the first aspect, wherein the base includes a shaft sleeve, and the clamping frame is inserted into the shaft sleeve;

the shaft sleeve is provided with a plurality of mounting holes which are arranged at intervals along the circumferential direction of the shaft sleeve;

the clamping frame is characterized in that a plurality of mounting holes are internally provided with a fastening piece, an elastic device and a ball respectively, the elastic device is abutted between the fastening piece and the ball, and the ball is abutted to the clamping frame.

With reference to the third possible implementation manner of the first aspect, the present invention provides a fourth possible implementation manner of the first aspect, wherein the base further includes a support frame, the shaft sleeve is connected to the support frame, and the support frame is slidably connected to the housing.

With reference to the second possible implementation manner of the first aspect, the present invention provides a fifth possible implementation manner of the first aspect, wherein the clamping frame includes: the device comprises a bearing piece, a clamping piece and a locking piece;

the clamping piece is movably connected to the bearing piece and provided with a clamping area;

the retaining member is used to lock the retaining member.

With reference to the fifth possible implementation manner of the first aspect, the present invention provides a sixth possible implementation manner of the first aspect, wherein the bearing member is connected to the sliding rod;

the holder includes: the first sliding block and the second sliding block are respectively connected to the sliding rod in a sliding mode, and the clamping area is formed between the first sliding block and the second sliding block.

With reference to the sixth possible implementation manner of the first aspect, the present invention provides a seventh possible implementation manner of the first aspect, wherein the locking member includes: the first locking nut and the second locking nut are respectively matched with the sliding rod;

the first locking nut abuts against one side, away from the clamping area, of the first sliding block, and the second locking nut abuts against one side, away from the clamping area, of the second sliding block.

With reference to the first aspect, the present invention provides an eighth possible implementation manner of the first aspect, wherein the lens assembly includes: the optical lens comprises a bottom shell, an optical lens and a shell cover, wherein the bottom shell is detachably connected with the shell cover, and the optical lens is arranged between the bottom shell and the optical lens.

In combination with the eighth possible implementation manner of the first aspect, the utility model provides a ninth possible implementation manner of the first aspect, wherein, the lateral wall of the casing is provided with a side opening, swing joint has a side cover plate on the casing, the side cover plate is used for covering the side opening.

The embodiment of the utility model provides a following beneficial effect has been brought: the image source is arranged in the casing, the lens assembly is rotatably connected to the opening of the casing, the rotating shaft of the lens assembly is parallel to the image of the image source, the image of the image source can form a projection image in the air through refraction of the lens assembly, the effect of the projection image can be changed by adjusting the included angle between the image of the image source and the lens assembly, and the stereoscopic impression of the projection image is enhanced.

In order to make the aforementioned and other objects, features and advantages of the present invention comprehensible, preferred embodiments accompanied with figures are described in detail below.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention or the related art, the drawings required to be used in the description of the embodiments or the related art will be briefly introduced 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 cross-sectional view of a projection display device according to an embodiment of the present invention;

fig. 2 is a first schematic view of a projection display apparatus according to an embodiment of the present invention;

fig. 3 is a schematic view of an image source and a rotary base of the projection display apparatus according to an embodiment of the present invention;

fig. 4 is a cross-sectional view of a rotary base of a projection display device according to an embodiment of the present invention;

fig. 5 is a second schematic view of the projection display apparatus according to an embodiment of the present invention.

Icon: 100-a housing; 200-an image source; 300-a lens assembly; 310-a bottom shell; 320-an optical lens; 330-a shell cover; 400-a lift adjustment assembly; 500-a rotating base; 510-a base; 511-shaft sleeve; 512-a fastener; 513-elastic devices; 514-a ball bearing; 515-a support frame; 520-a clamping frame; 521-a carrier; 522-a clamp; 5221-a first slide; 5222-a second slide; 523-locking member; 5231-a first locking nut; 5232-a second lock nut; 524-a slide bar; 600-side cover plate.

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. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. The term "physical quantity" in the formula, unless otherwise noted, is understood to mean a basic quantity of a basic unit of international system of units, or a derived quantity derived from a basic quantity by a mathematical operation such as multiplication, division, differentiation, or integration.

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.

Example one

As shown in fig. 1, an embodiment of the present invention provides a projection display device, including: a housing 100, an image source 200, and a lens assembly 300; the image source 200 is mounted within the casing 100; the lens assembly 300 is rotatably connected to the opening of the housing 100, and the rotation axis of the lens assembly 300 is parallel to the image of the image source 200.

Specifically, the image source 200 includes a mobile phone, and the housing 100 blocks external light, so as to ensure that an image of the image source 200 is transmitted to the lens assembly 300 along with the light, and the image is refracted into the air through the lens assembly 300, thereby forming a projection picture in the air. By adjusting the rotation of the lens assembly 300 relative to the chassis 100, the angle of the lens assembly 300 relative to the image source 200 can be changed, and further the effect of the projection image can be changed, and the stereoscopic impression of the projection image can be enhanced.

As shown in fig. 1 and 4, in the embodiment of the present invention, the housing 100 is connected to a fixed end of the lifting/lowering adjusting assembly 400, and a movable end of the lifting/lowering adjusting assembly 400 is connected to the image source 200; the elevation adjustment assembly 400 is used to drive the image source 200 to adjust the distance of the image source 200 from the lens assembly 300.

Specifically, the lifting adjusting assembly 400 comprises an electric telescopic cylinder or an electric sliding rail, the fixed end of the lifting adjusting assembly 400 is connected with the casing 100, the movable end of the lifting adjusting assembly 400 is connected with the image source 200, the image source 200 is driven to lift through the lifting adjusting assembly 400, and therefore the distance between the image source 200 and the lens assembly 300 is changed, and the projection effect is adjusted.

As shown in fig. 1, 3 and 4, a rotary base 500 is installed in the casing 100, and the rotary base 500 includes: a base 510 and a holder 520 rotatably coupled to the base 510; the holder 520 is used to mount the image source 200, and the rotation axis of the holder 520 is perpendicular to the screen of the image source 200.

Specifically, the image source 200 is mounted on the base 510, and the base 510 rotates relative to the rotary base 500, so that the angle of the image source 200 is adjusted, the orientation of the picture in the image source 200 is changed, and the picture is refracted by the lens assembly 300 and projected into the air, so that an image is formed in the air.

Further, the base 510 includes a shaft sleeve 511, and the clamping frame 520 is inserted into the shaft sleeve 511; the shaft sleeve 511 is provided with a plurality of mounting holes which are arranged at intervals along the circumferential direction of the shaft sleeve 511; a fastener 512, an elastic device 513 and a ball 514 are respectively installed in the plurality of installation holes, the elastic device 513 abuts between the fastener 512 and the ball 514, and the ball 514 abuts against the clamping frame 520.

Specifically, the elastic means 513 includes a spring, the fastening means 512 includes a screw, the elastic means 513 is pressed by the fastening means 512, and the balls 514 are pressed by the elastic means 513, the balls 514 are spaced apart along the circumference of the bushing 511, and the balls 514 abut against the rotation shafts of the holder 520, respectively, thereby ensuring that the rotation shafts are coaxial with the bushing 511 and enabling the holder 520 to smoothly rotate with respect to the bushing 511.

As shown in fig. 1, 2, 3 and 4, the base 510 further includes a support frame 515, the sleeve 511 is connected to the support frame 515, and the support frame 515 is slidably connected to the casing 100.

Specifically, a sliding groove is formed in the housing 100, the supporting frame 515 is slidably connected to the sliding groove, the supporting frame 515 is connected to the bottom of the shaft sleeve 511, and the lifting adjusting assembly 400 drives the supporting frame 515 to lift along the sliding groove, so that the rotating base 500 and the image source 200 are lifted synchronously.

As shown in fig. 3 and 4, the holder 520 includes: a carrier 521, a clamp 522, and a lock 523; the clamping member 522 is movably connected to the bearing member 521, and the clamping member 522 has a clamping area; the locker 523 is used to lock the holder 522.

Specifically, the clamping member 522 is slidably connected to the carrier 521, and the locking member 523 can lock the clamping member 522 with a screw, so as to lock and fix the image source 200 through the clamping member 522.

Further, the bearing 521 is connected with the sliding rod 524; the clamp 522 includes: a first block 5221 and a second block 5222, wherein the first block 5221 and the second block 5222 are slidably connected to the sliding rod 524, and a clamping area is formed between the first block 5221 and the second block 5222.

Specifically, the first slider 5221 and the second slider 5222 are respectively sleeved on the sliding rod 524, the image source 200 is clamped between the first slider 5221 and the second slider 5222, and the first slider 5221 and the second slider 5222 are locked by the locking member 523, so that the image source 200 is locked between the first slider 5221 and the second slider 5222.

Further, the locker 523 includes: a first lock nut 5231 and a second lock nut 5232, the first lock nut 5231 and the second lock nut 5232 being engaged with the slide 524, respectively; the first locking nut 5231 abuts the side of the first slider 5221 facing away from the clamping area, and the second locking nut 5232 abuts the side of the second slider 5222 facing away from the clamping area.

Specifically, the first block 5221 and the second block 5222 are pushed to clamp the image source 200 together by the first lock nut 5231 abutting against the first slider 5221 and the second lock nut 5232 abutting against the second slider 5222, and by rotating the first lock nut 5231 and the second lock nut 5232.

As shown in fig. 1, lens assembly 300 includes: a bottom case 310, an optical lens 320 and a case cover 330, wherein the bottom case 310 is detachably connected with the case cover 330, and the optical lens 320 is installed between the bottom case 310 and the optical lens 320.

Specifically, the bottom chassis 310 is detachably connected to the cover 330, the bottom chassis 310 and the cover 330 form a rectangular frame, and the optical lens 320 is installed between the bottom chassis 310 and the cover 330. The housing cover 330 is connected to a handle, and the lens assembly 300 can be operated by the handle to pivot relative to the housing 100, so as to adjust the angle between the optical lens 320 and the image source 200.

As shown in fig. 5, the side wall of the casing 100 is provided with a side opening, and a side cover 600 is movably connected to the casing 100, and the side cover 600 is used for covering the side opening.

Specifically, the side cover plate 600 is hinged to the housing 100, and a worker can conveniently enter the housing 100 by opening the side cover plate 600, so as to operate and adjust the image source 200.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.

Claims

1. A projection display device, comprising: a housing (100), an image source (200), and a lens assembly (300);

the image source (200) is mounted within the housing (100);

the lens assembly (300) is rotatably connected to the opening of the housing (100), and the rotating shaft of the lens assembly (300) is parallel to the picture of the image source (200).

2. The projection display apparatus according to claim 1, wherein the cabinet (100) is connected to a fixed end of a lifting adjustment assembly (400), and a movable end of the lifting adjustment assembly (400) is connected to the image source (200);

the lifting adjusting assembly (400) is used for driving the image source (200) so as to adjust the distance between the image source (200) and the lens assembly (300).

3. The projection display apparatus according to claim 1, wherein a rotary base (500) is installed in the cabinet (100), the rotary base (500) comprising: a base (510) and a holder (520) rotatably coupled to the base (510);

the clamping frame (520) is used for mounting the image source (200), and the rotation axis of the clamping frame (520) is perpendicular to the picture of the image source (200).

4. The projection display apparatus according to claim 3, wherein the base (510) comprises a bushing (511), and the holder (520) is inserted into the bushing (511);

the shaft sleeve (511) is provided with a plurality of mounting holes, and the mounting holes are arranged at intervals along the circumferential direction of the shaft sleeve (511);

a fastening piece (512), an elastic device (513) and a ball (514) are respectively installed in the installation holes, the elastic device (513) is abutted between the fastening piece (512) and the ball (514), and the ball (514) is abutted to the clamping frame (520).

5. The projection display apparatus of claim 4, wherein the base (510) further comprises a support frame (515), the sleeve (511) is connected with the support frame (515), and the support frame (515) is slidably connected with the cabinet (100).

6. The projection display of claim 3, wherein the holder (520) comprises: a carrier (521), a clamp (522) and a lock (523);

the clamping piece (522) is movably connected to the bearing piece (521), and the clamping piece (522) is provided with a clamping area;

the locking piece (523) is used for locking the clamping piece (522).

7. Projection display device according to claim 6, characterized in that the carrier (521) is connected with a slide bar (524);

the clamp (522) comprises: a first slider (5221) and a second slider (5222), said first slider (5221) and said second slider (5222) being slidably connected to said slide bar (524) respectively, and said first slider (5221) and said second slider (5222) forming said clamping zone therebetween.

8. Projection display device according to claim 7, characterized in that the locking member (523) comprises: a first lock nut (5231) and a second lock nut (5232), the first lock nut (5231) and the second lock nut (5232) being respectively engaged with the slide bar (524);

the first lock nut (5231) abuts on the side of the first slider (5221) facing away from the clamping area, and the second lock nut (5232) abuts on the side of the second slider (5222) facing away from the clamping area.

9. The projection display of claim 1, wherein the lens assembly (300) comprises: the optical lens system comprises a bottom shell (310), an optical lens (320) and a shell cover (330), wherein the bottom shell (310) is detachably connected with the shell cover (330), and the optical lens (320) is installed between the bottom shell (310) and the optical lens (320).

10. Projection display device according to claim 9, wherein the side wall of the cabinet (100) is provided with a side opening, and a side cover plate (600) is movably connected to the cabinet (100), and the side cover plate (600) is used for covering the side opening.