CN220730617U - Projection display device - Google Patents
Projection display device Download PDFInfo
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- CN220730617U CN220730617U CN202320829065.1U CN202320829065U CN220730617U CN 220730617 U CN220730617 U CN 220730617U CN 202320829065 U CN202320829065 U CN 202320829065U CN 220730617 U CN220730617 U CN 220730617U
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- curtain
- projection
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- display device
- projection display
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Abstract
The embodiment of the disclosure relates to a projection display device, which comprises a support frame, a curtain storage assembly and a projection curtain; the support frame comprises a base and at least one vertically arranged lifting piece, the lower surface of the base is provided with a movable wheel, the fixed end of the lifting piece is fixedly connected with the upper surface of the base, the telescopic end of the lifting piece is connected with a fixed plate, and the fixed plate is arranged along the direction perpendicular to the lifting piece; the curtain storage assembly is positioned above the base and connected with the fixed plate; the projection curtain is arranged in the curtain accommodating assembly in a storable manner and is used for receiving the projected image. According to the technical scheme, the projection display device can be moved at any time by using the moving wheels arranged on the base, so that the projection display device can be conveniently used for projection display at any position, and the use is more convenient; meanwhile, the height of the projection curtain can be adjusted at any time by utilizing the telescopic piece, so that projection display requirements of different heights are met; and the curtain storage device can automatically store the projection curtain, so that the projection curtain is prevented from being stained with external dust.
Description
Technical Field
The utility model relates to the technical field of display devices, in particular to a projection display device.
Background
Projection refers to the projection of the shape of an object onto a plane with a set of rays, the image being obtained on the plane. The plane for projection is generally set by a curtain, and the projection curtain is a tool for displaying images and video files in a visual communication system. Most of the existing projection curtains are fixed on a curtain frame, however, most of the existing curtain frames cannot be moved and adjusted, so that the use is inconvenient.
Disclosure of Invention
In order to solve the above technical problems or at least partially solve the above technical problems, the present application provides a projection display device.
The application provides a projection display device, include:
the support frame comprises a base and at least one vertically arranged lifting piece, wherein the lower surface of the base is provided with a movable wheel, the fixed end of the lifting piece is fixedly connected with the upper surface of the base, the telescopic end of the lifting piece is connected with a fixed plate, and the fixed plate is arranged along the direction vertical to the lifting piece;
the curtain storage assembly is positioned above the base and is connected with the fixing plate;
the projection curtain is arranged in the curtain accommodating assembly in a storable manner and is used for receiving the projected image.
In one possible implementation manner, the curtain accommodating assembly comprises a shell, a rotating shaft and a power source, wherein the rotating shaft is rotatably arranged in the shell, one end of the rotating shaft is connected with the output end of the power source, the power source is installed on the shell, and the projection curtain is wound on the rotating shaft;
under the condition that the power source drives the rotating shaft to rotate positively, the projection curtain stretches out towards the direction of the base.
In one possible implementation manner, the lifting device further comprises a left connecting bar and a right connecting bar, wherein the left connecting bar and the right connecting bar are respectively installed at two ends of the fixed plate and extend along a direction parallel to the lifting piece, and the surface of the shell facing the lifting piece is fixedly connected with the upper ends of the left connecting bar and the right connecting bar.
In one possible implementation manner, the lifting member comprises a fixing rod and a telescopic rod, the lower end of the fixing rod is fixed on the upper surface of the base, the lower end of the telescopic rod stretches into the fixing rod in a telescopic manner, and the fixing plate is fixedly connected with the upper portion of the telescopic rod.
In one possible embodiment, the lifting member further includes a locking member disposed at an upper portion of the fixing rod, for locking a portion of the telescopic rod extending into the fixing rod.
In one possible implementation manner, the locking piece comprises a mounting block, a locking column and an elastic piece, wherein the mounting block is fixed on the upper portion of the fixing rod, one end of the locking piece penetrates through the mounting block and stretches into the fixing rod, locking holes are formed in the part, stretching into the fixing rod, of the telescopic rod at intervals, and the elastic piece is sleeved on the part, exposed out of the fixing rod, of the locking column.
In one possible implementation manner, one end of the locking column exposed outside the fixing rod is connected with a push block, and the push block is used for pushing the locking column to be inserted into or separated from the locking hole.
In one possible embodiment, the moving wheel includes a wheel frame connected to the lower surface of the base through a connection post, a left wheel and a right wheel rotatably installed at both sides of the wheel frame.
Compared with the prior art, the technical scheme provided by the embodiment of the application has the following advantages:
the projection display device can be moved at any time by utilizing the moving wheels arranged on the base, so that the projection display device can be conveniently used for projection display at any position; meanwhile, the height of the projection curtain can be adjusted at any time by utilizing the telescopic piece, so that projection display requirements of different heights are met; and the curtain storage device can automatically store the projection curtain, so that the projection curtain is prevented from being stained with external dust.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the utility model and together with the description, serve to explain the principles of the utility model.
In order to more clearly illustrate the embodiments of the utility model or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, and it will be obvious to a person skilled in the art that other drawings can be obtained from these drawings without inventive effort.
In the accompanying drawings:
FIG. 1 is a schematic view of an embodiment of a projection display device according to the present utility model;
FIG. 2 is a schematic view of another embodiment of the projection display device of the present utility model;
FIG. 3 is a schematic view showing a structure of a curtain housing assembly in a projection display device according to the present utility model;
FIG. 4 is a schematic view showing the structure of a support frame in the projection display device of the present utility model;
FIG. 5 is a schematic view showing the structure of a locking member in the projection display device of the present utility model;
FIG. 6 is a schematic view showing the structure of a moving wheel in the projection display device of the present utility model;
reference numerals:
10. a support frame; 11. a base; 12. a lifting member; 121. a fixed rod; 122. a telescopic rod; 20. a curtain receiving assembly; 30. a projection curtain; 40. a moving wheel; 41. a wheel carrier; 42. a left wheel; 43. a right wheel; 44. a connecting column; 50. a left connecting bar; 60. a right connecting bar; 70. a locking member; 71. a mounting block; 72. a locking post; 73. an elastic member; 74. a pushing block; 80. a fixing plate;
Detailed Description
For a clearer understanding of technical features, objects and effects of the present utility model, a detailed description of embodiments of the present utility model will be made with reference to the accompanying drawings. In the following description, it should be understood that the directions or positional relationships indicated by "front", "rear", "upper", "lower", "left", "right", "longitudinal", "transverse", "vertical", "horizontal", "top", "bottom", "inner", "outer", "head", "tail", etc. are configured and operated in specific directions based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model, and do not indicate that the apparatus or element to be referred to must have specific directions, and thus should not be construed as limiting the present utility model.
It should also be noted that unless explicitly stated or limited otherwise, terms such as "mounted," "connected," "secured," "disposed," 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. When an element is referred to as being "on" or "under" another element, it can be "directly" or "indirectly" on the other element or one or more intervening elements may also be present. The terms "first," "second," "third," and the like are used merely for convenience in describing the present utility model and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated, whereby features defining "first," "second," "third," etc. may explicitly or implicitly include one or more such features. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
In the following description, for purposes of explanation and not limitation, specific details are set forth such as the particular system architecture, techniques, etc., in order to provide a thorough understanding of the embodiments of the present utility model. It will be apparent, however, to one skilled in the art that the present utility model may be practiced in other embodiments that depart from these specific details. In other instances, detailed descriptions of well-known systems, devices, circuits, and methods are omitted so as not to obscure the description of the present utility model with unnecessary detail.
Referring to fig. 1 to 6, an embodiment of the present disclosure provides a projection display device, which includes a support frame 10, a curtain accommodating assembly 20, and a projection curtain 30.
Specifically, the support frame 10 includes a base 11 and at least one vertically arranged lifting member 12, a moving wheel 40 is arranged on the lower surface of the base 11, a fixed end of the lifting member 12 is fixedly connected with the upper surface of the base 11, a telescopic end of the lifting member 12 is connected with a fixing plate 80, and the fixing plate 80 is arranged along a direction perpendicular to the lifting member 12; the curtain accommodating assembly 20 is positioned above the base 11 and is connected with the fixing plate 80; the projection curtain 30 is receivable in the curtain receiving assembly 20 for receiving the projected image.
Illustratively, the base 11 may be made of a plastic material, and may also be made of a metal (e.g., aluminum alloy) material, which is not limited thereto. In the embodiment of the disclosure, preferably, the aluminum alloy material is adopted. Therefore, the steel has better strength and certain corrosion resistance.
Illustratively, the telescoping members may be motorized telescoping rods 122, or manually adjustable telescoping rods 122, as not limited in this regard.
In this embodiment, the fixed end fixed connection of extensible member is at the upper surface of base 11, later connects the expansion end at telescopic link 122 with fixed plate 80 again, then accomodates projection curtain 30 in curtain storage assembly 20, and finally accomodates assembly 20 and install on fixed plate 80 to the realization is to projection display device's equipment, simple structure, easy dismounting. When the projection display device is required to be used, the curtain storage assembly 20 is controlled to pull the projection curtain 30 to move towards the base 11, so that the projection curtain 30 extends out of the curtain storage assembly 20, and further, graphics projected from the projection device are received, so that a user can watch displayed contents; after the projection is finished, the curtain accommodating assembly 20 pulls the projection curtain 30 to retract to the curtain accommodating assembly 20, so that external dust can be prevented from being contaminated on the projection curtain 30.
According to the projection display device depicted in fig. 1, the projection display device can be moved at any time by using the moving wheel 40 arranged on the base 11, so that the projection display device can be conveniently used for projection display at any position; meanwhile, the height of the projection curtain 30 can be adjusted at any time by utilizing the telescopic piece, so that projection display requirements of different heights are met; and the curtain storage device can automatically store the projection curtain 30, so that external dust is prevented from being stained with the projection curtain 30.
In one possible embodiment, the curtain accommodating assembly 20 includes a housing, a rotating shaft and a power source, the rotating shaft is rotatably disposed in the housing, one end of the rotating shaft is connected to an output end of the power source, the power source is mounted on the housing, and the projection curtain 30 is wound on the rotating shaft; in the case where the power source drives the rotating shaft to rotate in the forward direction, the projection screen 30 protrudes toward the base 11.
In this embodiment, the power source is used to drive the rotating shaft to rotate forward, so that the projection curtain 30 extends out of the housing and moves towards the base 11, so that the projection curtain 30 can receive the projected image; after the projection is completed, the power source is used for driving the rotating shaft to reversely rotate, so that the projection curtain 30 is retracted into the shell, and external dust can be prevented from being stained on the projection curtain 30. The power source may be a motor, or may be other components for driving the rotation shaft to rotate, which is not limited.
In one possible embodiment, the lifting device further comprises a left connecting bar 50 and a right connecting bar 60, wherein the left connecting bar 50 and the right connecting bar 60 are respectively arranged at two ends of the fixed plate 80 and extend along the direction parallel to the lifting piece 12, and the surface of the shell facing the lifting piece 12 is fixedly connected with the upper ends of the left connecting bar 50 and the right connecting bar 60.
In one possible embodiment, the lifting member 12 includes a fixing rod 121 and a telescopic rod 122, the lower end of the fixing rod 121 is fixed on the upper surface of the base 11, the lower end of the telescopic rod 122 is telescopically inserted into the fixing rod 121, and the fixing plate 80 is fixedly connected with the upper portion of the telescopic rod 122.
Illustratively, the distance from the adjusting telescopic rod 122 to the base 11 of the fixing plate 80 can be changed by adjusting the distance from the adjusting telescopic rod 122 to the fixing plate 80, and the curtain accommodating assembly 20 can be driven to move due to the fact that the curtain accommodating assembly 20 is installed on the fixing plate 80, so that the height of the projection curtain 30 can be adjusted.
In one possible embodiment, the lifting member 12 further includes a locking member 70, where the locking member 70 is disposed at an upper portion of the fixing rod 121, and is used to lock a portion of the telescopic rod 122 extending into the fixing rod 121. In this way, the portion of the telescopic rod 122 extending into the fixing rod 121 can be locked by the locking member 70, so that the height of the projection curtain 30 can be adjusted.
In one possible embodiment, the locking member 70 includes a mounting block 71, a locking post 72 and an elastic member 73, the mounting block 71 is fixed on the upper portion of the fixing rod 121, one end of the locking member 70 passes through the mounting block 71 and extends into the fixing rod 121, a locking hole is arranged at a portion of the telescopic rod 122 extending into the fixing rod 121 at intervals, and the elastic member 73 is sleeved on a portion of the locking post 72 exposed outside the fixing rod 121.
In one possible embodiment, a push block 74 is connected to an end of the locking post 72 exposed outside the fixing rod 121, and the push block 74 is used to push the locking post 72 into or out of the locking hole.
In one possible embodiment, the moving wheel 40 includes a wheel frame 41, a left wheel 42, and a right wheel 43, the wheel frame 41 being coupled to the lower surface of the base 11 through a coupling post 44, the left wheel 42 and the right wheel 43 being rotatably installed at both sides of the wheel frame 41.
It is to be understood that the above examples only represent preferred embodiments of the present utility model, which are described in more detail and are not to be construed as limiting the scope of the utility model; it should be noted that, for a person skilled in the art, the above technical features can be freely combined, and several variations and modifications can be made without departing from the scope of the utility model; therefore, all changes and modifications that come within the meaning and range of equivalency of the claims are to be embraced within their scope.
Claims (7)
1. A projection display device, comprising:
the support frame comprises a base and at least one vertically arranged lifting piece, wherein the lower surface of the base is provided with a movable wheel, the fixed end of the lifting piece is fixedly connected with the upper surface of the base, the telescopic end of the lifting piece is connected with a fixed plate, and the fixed plate is arranged along the direction vertical to the lifting piece;
the curtain storage assembly is positioned above the base and is connected with the fixing plate;
the projection curtain is arranged in the curtain accommodating assembly in a storable manner and is used for receiving a projected image;
the lifting piece comprises a fixed rod and a telescopic rod, the lower end of the fixed rod is fixed on the upper surface of the base, the lower end of the telescopic rod stretches into the fixed rod in a telescopic manner, and the fixed plate is fixedly connected with the upper portion of the telescopic rod.
2. The projection display device of claim 1, wherein the curtain storage assembly comprises a housing, a rotating shaft and a power source, the rotating shaft is rotatably arranged in the housing, one end of the rotating shaft is connected with the output end of the power source, the power source is arranged on the housing, and the projection curtain is wound on the rotating shaft;
under the condition that the power source drives the rotating shaft to rotate positively, the projection curtain stretches out towards the direction of the base.
3. The projection display device of claim 2, further comprising a left connecting bar and a right connecting bar, wherein the left connecting bar and the right connecting bar are respectively mounted at two ends of the fixing plate and extend along a direction parallel to the lifting member, and a surface of the housing facing the lifting member is fixedly connected with upper ends of the left connecting bar and the right connecting bar.
4. The projection display device of claim 1, wherein the lifting member further comprises a locking member disposed on an upper portion of the fixing rod for locking a portion of the telescopic rod extending into the fixing rod.
5. The projection display device of claim 4, wherein the locking member comprises a mounting block, a locking column and an elastic member, the mounting block is fixed on the upper portion of the fixing rod, one end of the locking member penetrates through the mounting block and stretches into the fixing rod, locking holes are formed in the portion, stretching into the fixing rod, of the telescopic rod at intervals, and the elastic member is sleeved on the portion, exposed out of the fixing rod, of the locking column.
6. The projection display device of claim 5, wherein an end of the locking post exposed outside the fixing rod is connected with a push block, and the push block is used for pushing the locking post to be inserted into or separated from the locking hole.
7. The projection display device of claim 1, wherein the moving wheel comprises a wheel frame, a left wheel and a right wheel, the wheel frame is connected with the lower surface of the base through a connecting column, and the left wheel and the right wheel are rotatably installed at both sides of the wheel frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320829065.1U CN220730617U (en) | 2023-04-14 | 2023-04-14 | Projection display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320829065.1U CN220730617U (en) | 2023-04-14 | 2023-04-14 | Projection display device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220730617U true CN220730617U (en) | 2024-04-05 |
Family
ID=90487656
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320829065.1U Active CN220730617U (en) | 2023-04-14 | 2023-04-14 | Projection display device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220730617U (en) |
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2023
- 2023-04-14 CN CN202320829065.1U patent/CN220730617U/en active Active
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