CN115268193B - Portable projection device - Google Patents
Portable projection device Download PDFInfo
- Publication number
- CN115268193B CN115268193B CN202210116468.1A CN202210116468A CN115268193B CN 115268193 B CN115268193 B CN 115268193B CN 202210116468 A CN202210116468 A CN 202210116468A CN 115268193 B CN115268193 B CN 115268193B
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- China
- Prior art keywords
- plate
- projection device
- fixedly connected
- protection
- elastic
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
- G03B21/54—Accessories
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/023—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using fluid means
- F16F15/0232—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using fluid means with at least one gas spring
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/04—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
- F16F15/046—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means using combinations of springs of different kinds
Abstract
The invention relates to the technical field of projection devices and discloses a portable projection device, which comprises a projection device, wherein a fixing device is arranged on the outer surface of the projection device, the fixing device comprises a bottom plate, the top of the bottom plate is fixedly connected with the bottom of the projection device, the left end and the right end of the bottom plate are fixedly connected with protection plates, the outer surface of each protection plate is provided with a protection mechanism, and the front end and the back end of each bottom plate are respectively provided with an auxiliary device.
Description
Technical Field
The invention relates to the technical field of projection devices, in particular to a portable projection device.
Background
The projector is a device capable of projecting images or videos onto a curtain, and can play corresponding video signals by being connected with a computer, a VCD, a DVD, a game machine, a DV and the like through different interfaces, so that the projector is widely applied to families, offices, schools and entertainment venues. The projector mainly works on the principle that light is emitted by a light source, the light of the light source is uniformly irradiated to a display chip through a series of optical illumination systems, a signal realizes color gradation and gray scale on the display chip through a circuit system to display an image, and then the image on the display chip is amplified and projected onto a corresponding screen through a projection lens at the front end of projection. The portable projector is also called pocket projector, and the traditional huge projector is exquisite and portable mainly through a 3M LCOS RGB three-color projection optical machine and decoding technology, so that the projection technology is more close to life and entertainment.
The portable projection device in the prior art is mainly used by directly placing the portable projection device when in use, and because the portable projection device is not provided with a corresponding protection device, the portable projection device is easy to break due to the fact that the portable projection device is accidentally knocked down, the portable projection device cannot be continuously used after being damaged, and additional materials are required to be purchased again, so that the portable projection device is provided.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention provides a portable projection device to solve the problems in the prior art.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a portable projection arrangement, includes projection arrangement, the projection arrangement surface is provided with fixing device, fixing device includes the bottom plate, bottom plate top and projection arrangement bottom fixed connection, both ends are all fixedly connected with guard plate about the bottom plate, the guard plate surface is provided with protection machanism, bottom plate positive and negative both ends all are provided with auxiliary device.
Preferably, the lengths of the two protection plates are both larger than the length of the projection device, and the bottom plate is arranged at the bottom center shaft of the projection device.
Preferably, the protection mechanism comprises a connecting frame, a limiting frame is arranged at the lower end of the connecting frame, and a protection piece and a limiting piece are arranged on the outer surface of the connecting frame.
Preferably, the connecting frame and the limiting frame are fixedly connected with the surface of the protection plate, the lower end of the connecting frame is provided with a storage groove, and one end of the limiting frame, which is close to the protection plate, is provided with an arc-shaped groove.
Preferably, the limiting piece comprises a pressing plate, the upper end of the pressing plate is rotationally connected with the surface of the protection plate through a rotating shaft, the lower end of the pressing plate is fixedly connected with an elastic rope, one end, far away from the pressing plate, of the elastic rope is fixedly connected with the surface of the limiting frame, and three balls are embedded in the pressing plate.
Preferably, the protection piece comprises a plastic soft board, the lower extreme fixedly connected with elastic board of plastic soft board, elastic board surface and arc groove cell wall contact, three the ball all contacts with plastic soft board surface, both ends top all fixedly connected with gag lever post about the plastic soft board, two fluting has been seted up to the elastic board surface, two the fluting is inside all to be provided with the connecting rope, two both ends respectively with two fluting inner wall fixed connection about the connecting rope.
Preferably, the auxiliary device comprises a mounting rack, mounting rack inner wall and projection arrangement surface contact, mounting rack external surface fixedly connected with mount, mount top fixedly connected with elastic frame, elastic frame inner wall top fixedly bond has the gasbag, the intercommunication groove has been seted up to the elastic frame lower extreme, mounting rack top fixedly connected with stripper plate, the diameter of stripper plate is less than the diameter of intercommunication groove, stripper plate left end highly is less than right-hand member highly, through setting up the mounting rack, can be fine with projection arrangement card in the bottom plate top to conveniently carry out safety protection to projection arrangement.
Compared with the prior art, the invention provides a portable projection device, which has the following beneficial effects:
1. according to the invention, when the top of the projection device falls towards the ground, the protection plate can be contacted with the ground first, so that the projection device is prevented from being directly contacted with the ground, the projection device can be effectively buffered, and the damage of the projection device is prevented.
2. According to the invention, in the process of deformation of the protection plate in contact with the ground, the protection plate can be limited by the pressing plate and the elastic rope, so that the deflection angle is not excessively large, the damage of the protection plate is avoided, and the damage of the projection device caused by the excessively large deflection angle of the protection plate can be prevented.
3. According to the invention, when the bottom of the projection device falls towards the ground, the elastic plate and the plastic soft plate slide downwards along the arc-shaped groove until the limiting rod is contacted with the top of the limiting frame, so that the elastic plate can buffer the projection device through the forced deflection under the barrier of the limiting frame and the protection plate, and the projection device is ensured to be effectively protected.
4. According to the invention, when the elastic plate is stressed to deflect, the connecting rope is continuously tightened along with the deformation of the elastic plate, so that the deformation degree of the elastic plate can be limited through the connecting rope, and the protection effect of the elastic plate on the projection device is better.
5. According to the invention, the storage groove is formed, so that the elastic plate can be prevented from being extruded to the connecting frame after the elastic plate is not fully extended to contact the ground when the falling distance of the projection device is short, the projection device is prevented from being oscillated, the elastic plate can extend into the storage groove, and the projection device is buffered by the friction force between the plastic soft plate and the lower end of the connecting frame.
6. According to the invention, the elastic frame and the air bag are arranged, so that the protection plate can buffer the air bag through the elastic frame when the protection plate is subjected to collision deformation, and the damage of the protection plate to the projection device is avoided, wherein the elastic frame can be downwards moved when the protection plate extrudes the elastic frame, and the air bag is firstly contacted with the extrusion plate, so that the buffering effect of the air bag is better, and the projection device can be effectively protected.
Drawings
FIG. 1 is a perspective view of the present invention;
FIG. 2 is a schematic structural view of the fixing device of the present invention;
FIG. 3 is a schematic view of a protection mechanism according to the present invention;
FIG. 4 is an enlarged schematic view of FIG. 3A in accordance with the present invention;
FIG. 5 is a schematic view of the structure of the protector of the present invention;
FIG. 6 is a perspective view of the connector and spacing of the present invention;
fig. 7 is a schematic structural view of the auxiliary device of the present invention.
In the figure: projection device 1, fixing device 2, protection plate 21, bottom plate 22, protection mechanism 23, connection frame 231, storage groove 2311, stopper 232, pressing plate 2321, ball 2322, elastic cord 2323, protection member 233, plastic soft plate 2331, elastic plate 2332, stopper rod 2333, slot 2334, connection cord 2335, stopper 234, arc-shaped groove 2341, auxiliary device 3, mounting frame 31, mounting frame 32, elastic frame 33, air bag 34, communication groove 35, and pressing plate 36.
Description of the embodiments
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments.
Examples of the embodiments are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements throughout or elements having like or similar functionality. The embodiments described below by referring to the drawings are illustrative and intended to explain the present invention and should not be construed as limiting the invention.
In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present invention.
In the present invention, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
Referring to fig. 1-7, the present invention provides a technical solution: the utility model provides a portable projection arrangement, including projection arrangement 1, projection arrangement 1 surface is provided with fixing device 2, fixing device 2 includes bottom plate 22, bottom plate 22 top and projection arrangement 1 bottom fixed connection, both ends equal fixedly connected with guard plate 21 about bottom plate 22, when projection arrangement 1 top drops towards ground, guard plate 21 can be earlier with ground contact, avoid projection arrangement 1 direct and ground contact, can effectually cushion the condition emergence of avoiding its damage to projection arrangement 1, guard plate 21 surface is provided with protection machanism 23, the length of two guard plates 21 all is greater than the length of projection arrangement 1, because the length of setting guard plate 21 is greater than the length of projection arrangement 1, so when projection arrangement 1 front or back drops downwards, still can protect it through guard plate 21, bottom plate 22 sets up in projection arrangement 1's bottom axis department, protection machanism 23 includes link 231, link 231 lower extreme is provided with spacing 234, link 231 surface fixed connection with guard plate 21, link 231 lower extreme has been seted up and has been accomodate groove 2311, the end 231is close to 2311 can be avoided stretching out at 2332 with the end that the end is difficult to be connected with projection arrangement 2331 in the arc 2332 when setting up at the bottom center axis of projection arrangement 1, can not stretch out at the end 2332 with projection arrangement 1, can avoid stretching out the end with projection arrangement 2332 completely.
The limiting part 232 comprises a pressing plate 2321, the upper end of the pressing plate 2321 is rotationally connected with the surface of the protection plate 21 through a rotating shaft, the lower end of the pressing plate 2321 is fixedly connected with an elastic rope 2323, one end of the elastic rope 2323, which is far away from the pressing plate 2321, is fixedly connected with the surface of the limiting frame 234, three balls 2322 are embedded in the pressing plate 2321, the protection plate 21 can be limited by the pressing plate 2321 and the elastic rope 2323 in the process of deformation of the protection plate 21 in contact with the ground, the deflection angle cannot be too large, the damage of the protection plate 21 is avoided, and the damage to the projection device 1 caused by the too large deflection angle of the protection plate 21 can also be prevented.
The protection piece 233 includes plastic soft board 2331, plastic soft board 2331 lower extreme fixedly connected with elastic plate 2332, elastic plate 2332 surface and arc groove 2341 cell wall contact, three ball all contacts with plastic soft board 2331 surface, plastic soft board 2331 both ends top all fixedly connected with gag lever post 2333 about, when projection arrangement 1 bottom drops towards ground, elastic plate 2332 and plastic soft board 2331 slide down along arc groove 2341 until gag lever post 2333 contacts with limit 234 top, make elastic plate 2332 can cushion projection arrangement 1 through the separation of limit 234 and guard plate 21 atress deflection down, guarantee to carry out effectual protection to projection arrangement 1, two fluting 2334 have been seted up on elastic plate 2332 surface, two fluting 2334 are inside all to be provided with connecting rope 2335, two connecting rope 2335 upper and lower both ends respectively with two fluting 2334 inner wall fixed connection, when elastic plate 2332 atress deflects, connecting rope 2335 continuously tightens up along with elastic plate 2's deformation, thereby can carry out the protection arrangement of limit arrangement 2332 to elastic plate 2332 through connecting rope 5 to elastic plate 2332's separation degree, better protection effect to projection arrangement of protection 2332.
When the projection device 1 is accidentally touched and falls down in use, the top of the projection device 1 faces the ground, so that the protection plate 21 can be contacted with the ground first, the projection device 1 is prevented from being directly contacted with the ground, the projection device 1 is effectively buffered to avoid damage, in the process of the protection plate 21 being contacted with the ground, the protection plate 21 can be limited by the pressing plate 2321 and the elastic rope 2323, the deflection angle is not excessively large, the damage of the protection plate 21 is avoided, the damage to the projection device 1 caused by the excessively large deflection angle of the protection plate 21 can also be prevented, the pressing plate 2321 can squeeze the plastic soft plate 2331 by self gravity, the plastic soft plate 2331 can be well attached to the surface of the connecting frame 231, the plastic soft plate 2331 can be effectively driven to slide down, when the projection device 1 is accidentally touched and falls down, the bottom of the projection device 1 faces the ground, the elastic plate 2332 drives the plastic soft plate 2331 to slide downwards under the action of gravity, in the process that the elastic plate 2332 and the plastic soft plate 2331 slide downwards along the arc-shaped groove 2341, the limiting rod 2333 can be contacted with the top of the limiting frame 234, so that the elastic plate 2332 can deflect under the blocking of the limiting frame 234 and the protecting plate 21 under the blocking force, the projecting device 1 can be buffered through the elastic plate 2332, the projecting device 1 can be effectively protected, meanwhile, when the elastic plate 2332 deflects under the force, the connecting rope 2335 is continuously tightened along with the deformation of the elastic plate 2332, the deformation degree of the elastic plate 2332 can be limited through the connecting rope 2335, the protecting effect of the elastic plate 2332 on the projecting device 1 is better, when the protecting plate 21 is deformed under the collision, the protecting plate 21 can extrude the elastic frame 33 and the air bag 34, the buffering can be carried out through the elastic frames 33 and 34, avoid guard plate 21 to cause the damage to projection arrangement 1, wherein at guard plate 21 extrusion spring frame 33's in-process, spring frame 33 atress downwardly moving to can make gasbag 34 and stripper plate 36 contact, make the buffering effect of gasbag 34 better, can effectively protect projection arrangement 1.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (4)
1. A portable projection device, comprising a projection device (1), characterized in that: the projection device comprises a projection device body, wherein the outer surface of the projection device body is provided with a fixing device (2), the fixing device (2) comprises a bottom plate (22), the top of the bottom plate (22) is fixedly connected with the bottom of the projection device body, the left end and the right end of the bottom plate (22) are fixedly connected with protection plates (21), the outer surface of each protection plate (21) is provided with a protection mechanism (23), and the front end and the back end of the bottom plate (22) are provided with auxiliary devices (3); the lengths of the two protection plates (21) are larger than the length of the projection device (1), and the bottom plate (22) is arranged at the bottom center shaft of the projection device (1); the protection mechanism (23) comprises a connecting frame (231), a limiting frame (234) is arranged at the lower end of the connecting frame (231), and a protection piece (233) and a limiting piece (232) are arranged on the outer surface of the connecting frame (231); the protection piece (233) comprises a plastic soft board (2331), and the lower end of the plastic soft board (2331) is fixedly connected with an elastic board (2332); auxiliary device (3) are including mounting bracket (31), mounting bracket (31) inner wall and projection arrangement (1) surface contact, mounting bracket (31) surface fixedly connected with mount (32), mount (32) top fixedly connected with elastic support (33), elastic support (33) inner wall top fixedly bond has gasbag (34), intercommunication groove (35) have been seted up to elastic support (33) lower extreme, mounting bracket (31) top fixedly connected with stripper plate (36), the diameter of stripper plate (36) is less than the diameter of intercommunication groove, stripper plate (36) left end highly is less than right-hand member highly.
2. A portable projection device as claimed in claim 1, wherein: the connecting frame (231) and the limiting frame (234) are fixedly connected with the surface of the protection plate (21), a storage groove (2311) is formed in the lower end of the connecting frame (231), and an arc-shaped groove (2341) is formed in one end, close to the protection plate (21), of the limiting frame (234).
3. A portable projection device as claimed in claim 1, wherein: the limiting part (232) comprises a pressing plate (2321), the upper end of the pressing plate (2321) is rotationally connected with the surface of the protection plate (21) through a rotating shaft, an elastic rope (2323) is fixedly connected with the lower end of the pressing plate (2321), one end, far away from the pressing plate (2321), of the elastic rope (2323) is fixedly connected with the surface of the limiting frame (234), and three balls (2322) are embedded in the pressing plate (2321).
4. A portable projection device as claimed in claim 2, wherein: the utility model discloses a plastic soft board, including arc-shaped groove (2341) and connecting rope, elastic plate (2332) surface and arc-shaped groove (2341) cell wall contact, three the ball all with plastic soft board (2331) surface contact, both ends top all fixedly connected with gag lever post (2333) about plastic soft board (2331), two fluting (2334) have been seted up on elastic plate (2332) surface, two the inside connecting rope (2335) that all is provided with of fluting (2334), two both ends about connecting rope (2335) respectively with two fluting (2334) inner wall fixed connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210116468.1A CN115268193B (en) | 2022-02-07 | 2022-02-07 | Portable projection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210116468.1A CN115268193B (en) | 2022-02-07 | 2022-02-07 | Portable projection device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115268193A CN115268193A (en) | 2022-11-01 |
| CN115268193B true CN115268193B (en) | 2023-06-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210116468.1A Active CN115268193B (en) | 2022-02-07 | 2022-02-07 | Portable projection device |
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| Country | Link |
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| CN (1) | CN115268193B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109541880A (en) * | 2018-12-15 | 2019-03-29 | 西安呱牛信息技术有限公司 | A kind of shatter-resistant projector and its application method |
| CN210323748U (en) * | 2019-09-29 | 2020-04-14 | 广东建业显示信息技术有限公司 | High-resolution color video projector device |
| CN210348173U (en) * | 2019-08-14 | 2020-04-17 | 万佛（深圳）智能科技有限公司 | Mechanism is prevented falling by projecting apparatus |
| CN213276241U (en) * | 2020-11-26 | 2021-05-25 | 杭州怀谷科技有限公司 | Portable laser micro projector |
| CN213485044U (en) * | 2020-12-03 | 2021-06-18 | 上海音维电子科技有限公司 | Fuse ware with prevent falling structure |
| CN215569592U (en) * | 2021-08-30 | 2022-01-18 | 汕尾职业技术学院 | Projection arrangement is used in broadcast of guangdong hong ao major bay district TV drama |
-
2022
- 2022-02-07 CN CN202210116468.1A patent/CN115268193B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109541880A (en) * | 2018-12-15 | 2019-03-29 | 西安呱牛信息技术有限公司 | A kind of shatter-resistant projector and its application method |
| CN210348173U (en) * | 2019-08-14 | 2020-04-17 | 万佛（深圳）智能科技有限公司 | Mechanism is prevented falling by projecting apparatus |
| CN210323748U (en) * | 2019-09-29 | 2020-04-14 | 广东建业显示信息技术有限公司 | High-resolution color video projector device |
| CN213276241U (en) * | 2020-11-26 | 2021-05-25 | 杭州怀谷科技有限公司 | Portable laser micro projector |
| CN213485044U (en) * | 2020-12-03 | 2021-06-18 | 上海音维电子科技有限公司 | Fuse ware with prevent falling structure |
| CN215569592U (en) * | 2021-08-30 | 2022-01-18 | 汕尾职业技术学院 | Projection arrangement is used in broadcast of guangdong hong ao major bay district TV drama |
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| Publication number | Publication date |
|---|---|
| CN115268193A (en) | 2022-11-01 |
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