CN214790071U

CN214790071U - Digital video projection equipment

Info

Publication number: CN214790071U
Application number: CN202121278934.3U
Authority: CN
Inventors: 曹刚; 李钟鸣; 杨树春
Original assignee: Bullet Beijing Culture Media Co ltd
Current assignee: Bullet Beijing Culture Media Co ltd
Priority date: 2021-06-08
Filing date: 2021-06-08
Publication date: 2021-11-19
Anticipated expiration: 2031-06-08

Abstract

The utility model belongs to the technical field of projection equipment and specifically relates to a digital video projection equipment is related to, and it includes projecting apparatus and box, the vertical supporting component that is provided with on the box bottom plate, supporting component's top is provided with the fixed subassembly that is used for fixed projecting apparatus. The application improves the flexibility of the movement of the projector, and the projector can be applied to various temporary occasions.

Description

Digital video projection equipment

Technical Field

The present application relates to the field of projection devices, and more particularly to a digital video projection device.

Background

Digital video projection equipment is generally used for displaying images, and a projector is a common digital video projection equipment and is applied to many occasions; in a museum, for example, a worker uses a projector to explain exhibits to visitors; in the related art, the projector is fixed to the ceiling by a connecting rod.

In view of the above-mentioned related technologies, the inventor believes that a fixed projector is generally applied to a fixed situation, and has low flexibility, and when a temporary situation exists in which the projector needs to be used, and the situation does not have a projector installed in advance, it is inconvenient to move the fixed projector to a position where projection needs to be performed.

SUMMERY OF THE UTILITY MODEL

To facilitate movement of the projector and to increase its flexibility to enable it to be used in a variety of temporary situations, the present application provides a digital video projection apparatus.

The digital video projection equipment provided by the application adopts the following technical scheme:

the utility model provides a digital video projection equipment, includes projecting apparatus and box, the vertical supporting component that is provided with on the box bottom plate, supporting component's top is provided with the fixed subassembly that is used for fixed projecting apparatus.

By adopting the technical scheme, the projector can be conveniently moved, so that the projector is suitable for various temporary occasions.

Optionally, the support assembly includes a plurality of support pipes, and two adjacent support pipes are connected in a sliding manner; the bottom end of the supporting tube is provided with a positioning component for positioning the adjacent supporting tubes.

Through adopting above-mentioned technical scheme, can adjust the height of projecting apparatus comparatively conveniently, and then adaptation in not curtain of co-altitude.

Optionally, a pillar is arranged on the bottom plate of the box body, the bottom end of the supporting component is hinged to the pillar, and a limiting component used for limiting the rotation of the supporting component is arranged on the supporting component.

Through adopting above-mentioned technical scheme, can conveniently accomodate supporting component and fixed subassembly, reduce the occupation to external space, can conveniently remove complete sets of equipment, improve the flexibility.

Optionally, the shape and size of the cross section of the strut are consistent with those of the cross section of the bottom end of the support assembly; the limiting part is a sleeve, the sleeve is sleeved on the supporting component and is in sliding connection with the supporting component, and the height of the sleeve is larger than that of the supporting column.

Through adopting above-mentioned technical scheme, can conveniently restrict the rotation of supporting component.

Optionally, a sliding rail is fixedly connected to the box body bottom plate, and the section of the sliding rail is in a T shape; the sliding rail is connected with a sliding block in a sliding manner, a sliding groove matched with the sliding rail is formed in the sliding block, and a jackscrew used for fixing the sliding block is arranged on the sliding block; the supporting column is fixedly connected to the sliding block.

Through adopting above-mentioned technical scheme, the slider that slides drives supporting component and projecting apparatus and removes to the box middle part, and the focus of whole equipment this moment is located the box middle part, has improved the stability of equipment.

Optionally, the fixing assembly comprises a tray fixedly connected to the top end of the supporting assembly and a clamping plate arranged on the tray and used for clamping the projector, and the clamping plate is connected with the tray in a sliding manner; be provided with the elastic component between cardboard and the tray, the elastic component is including fixing the connecting rod on the cardboard, and connecting rod and tray sliding connection are equipped with the centre gripping spring on the connecting rod, and centre gripping spring one end is connected with the cardboard, and the other end is connected with the tray.

Through adopting above-mentioned technical scheme, use the cardboard to carry out the centre gripping to the projecting apparatus fixed, under the elastic action of centre gripping spring, the cardboard supports tightly with the projecting apparatus, is difficult to appear the phenomenon that the projecting apparatus dropped from the tray.

Optionally, a rubber pad is mounted on the clamping plate.

Through adopting above-mentioned technical scheme, can protect the projecting apparatus shell, reduce the damage that the cardboard led to the fact the projecting apparatus shell.

Optionally, universal wheels are mounted at the bottom of the box body.

By adopting the technical scheme, the box body can be moved more conveniently, and the flexibility of the box body is improved.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the projector can be conveniently moved through the box body, the supporting component and the fixing component, so that the projector can be suitable for various temporary occasions;

2. the height of the projector can be conveniently adjusted through the arranged supporting component, so that the projector is adaptive to curtains with different heights, and the supporting tube can be conveniently fixed by matching with the positioning component;

3. through setting up supporting component and box articulated, realized accomodating supporting component, fixed subassembly and projecting apparatus, reduced the occupation to external space, can remove complete sets of equipment more conveniently, improved the flexibility.

Drawings

FIG. 1 is a schematic block diagram of a digital video projection device according to an embodiment of the present application;

FIG. 2 is a schematic view of the positioning assembly;

FIG. 3 is a schematic view for showing the storage state of the embodiment of the present application;

FIG. 4 is a schematic view of the stopper;

FIG. 5 is a schematic view of the slide rail and the slide block;

fig. 6 is an enlarged view of a portion a in fig. 1.

Description of reference numerals: 1. a projector; 2. a box body; 21. a universal wheel; 22. a slide rail; 23. a slider; 231. carrying out top thread; 232. a chute; 24. a buffer block; 25. a box cover; 251. a limiting block; 3. a support assembly; 31. supporting a tube; 311. positioning holes; 32. a pillar; 33. a sleeve; 4. a fixing assembly; 41. a tray; 42. clamping a plate; 43. a connecting rod; 44. a clamping spring; 45. a rubber pad; 5. a positioning assembly; 51. a connecting cylinder; 52. positioning a rod; 53. a return spring; 54. and (5) positioning the blocks.

Detailed Description

The present application is described in further detail below with reference to figures 1-6.

The embodiment of the application discloses a digital video projection device. Referring to fig. 1, a digital video projection apparatus includes a projector 1 and a cabinet 2, a supporting assembly 3 is vertically disposed on a bottom plate of the cabinet 2, and a fixing assembly 4 for fixing the projector 1 is disposed at a top end of the supporting assembly 3; the bottom of the box body 2 is provided with universal wheels 21; when the projector 1 is needed to be used in a temporary occasion, the projector 1 can be conveniently moved through the box body 2 and the universal wheels 21, so that the flexibility of the projector is improved, and the projector is suitable for the temporary occasion.

Referring to fig. 2, the support assembly 3 includes a plurality of support pipes 31, two adjacent support pipes 31 are slidably connected, and the bottom end of each support pipe 31 is provided with a positioning assembly 5 for positioning the adjacent support pipe 31 below; the positioning assembly 5 comprises a connecting cylinder 51 fixedly connected to the inner wall of the support tube 31 and a positioning rod 52 slidably connected with the connecting cylinder 51, a positioning block 54 is fixedly connected to the end of the positioning rod 52, the positioning block 54 penetrates the outside of the support tube 31, and a positioning hole 311 for inserting the positioning block 54 is formed at the top end position of the support tube 31 adjacent to the lower part of the support tube 31 where the positioning assembly 5 is located; the positioning block 54 is of a cylindrical structure, and the middle part of the end surface of the positioning block 54, which is far away from the connecting cylinder 51, is convex and is arc-shaped; the positioning rod 52 is sleeved with a return spring 53, one end of the return spring 53 is fixedly connected with the positioning block 54, and the other end of the return spring 53 is fixedly connected with the connecting cylinder 51.

When the fixing device is used, the height of the fixing component 4 is raised to drive the plurality of supporting tubes 31 to slide relatively, when the supporting tubes 31 slide to the positions where the positioning blocks 54 are aligned with the corresponding positioning holes 311, the positioning blocks 54 are embedded into the positioning holes 311 under the action of the return springs 53, and the side surfaces of the positioning blocks 54 are attached to the inner walls of the positioning holes 311, so that the supporting tubes 31 can be fixed; can adjust the height of projecting apparatus 1 comparatively conveniently, and then the adaptation is in the curtain of co-altitude not, and fixes comparatively conveniently to stay tube 31.

Referring to fig. 3 and 4, a support column 32 is arranged on the bottom plate of the box body 2, the lowermost support tube 31 is hinged with the support column 32, the support tube 31 can rotate into the box body 2, and the shape and the size of the cross section of the support column 32 are consistent with those of the cross section of the lowermost support tube 31; a sleeve 33 for limiting the rotation of the supporting component 3 is sleeved on the lowest supporting pipe 31, the sleeve 33 is connected with the supporting pipe 31 in a sliding way, and the height of the sleeve 33 is greater than that of the support column 32; a buffer block 24 for accommodating the projector 1 is fixed on the bottom plate of the box body 2; a cover 25 is mounted on the upper portion of the case 2.

After the projector 1 is used, the projector 1 is taken down from the fixed component 4 and is accommodated in the buffer block 24, the fixing of the positioning component 5 on the supporting pipe 31 is released, the supporting pipes 31 are slid to be mutually nested, then the height of the sleeve 33 is lifted to be separated from the support column 32, and the supporting component 3 is rotated to enable the supporting component 3 and the fixed component 4 to be accommodated in the box body 2; the supporting component 3 is hinged with the box body 2, so that the supporting component 3 and the fixing component 4 are accommodated, the occupation of the external space is reduced, the whole set of equipment can be moved more conveniently, and the flexibility is improved; the projector 1 housed inside the case 2 is protected by the case cover 25.

Referring to fig. 5, a slide rail 22 with a T-shaped cross section is fixedly connected to a bottom plate of the box body 2, a slide block 23 is slidably connected to the slide rail 22, a slide groove 232 matched with the slide rail 22 is formed in the slide block 23, a jackscrew 231 for fixing the slide block 23 is arranged on the slide block 23, and a support column 32 is fixedly connected to the slide block 23; when supporting component 3 keeps behind vertical direction steadily, slide block 23 drives supporting component 3 and projecting apparatus 1 and moves to box 2 middle part, fixes slide block 23 with jackscrew 231, and the focus of whole equipment has improved the stability of equipment at the middle part of box 2 this moment.

Referring to fig. 6, the fixing assembly 4 includes a tray 41 fixedly connected to the top end of the uppermost supporting tube 31 and two clamping plates 42 disposed on the tray 41 for clamping the projector 1, the two clamping plates 42 are disposed on two opposite sides of the tray 41, and the clamping plates 42 are slidably connected to the tray 41; two elastic pieces are arranged between the clamping plate 42 and the tray 41, each elastic piece comprises a connecting rod 43 fixed on the clamping plate 42, the connecting rods 43 are in sliding connection with the tray 41, clamping springs 44 are sleeved on the connecting rods 43, one ends of the clamping springs 44 are fixedly connected with the clamping plate 42, and the other ends of the clamping springs 44 are fixedly connected with the tray 41; in a natural state, the distance between the two clamping plates 42 is smaller than the width of the projector 1; the clamping plate 42 is fixedly connected with a rubber backing plate 45.

Referring to fig. 4, a stopper 251 for restricting the sliding of the fixing member 4 is fixed to the lower surface of the cover 25, and when the cover 25 is closed, the stopper 251 abuts against the side surface of the tray 41 away from the support pipe 31.

When the projector 1 is fixed, one of the clamping plates 42 is extruded towards the outer side of the tray 41, so that the distance between the two clamping plates 42 is larger than the width of the projector 1, the projector 1 is flatly placed on the tray 41, and the two clamping plates 42 are tightly abutted against the projector 1 under the action of the clamping spring 44, so that the clamping and fixing of the projector 1 are realized; the clamping plate 42 is tightly abutted to the projector 1, so that the phenomenon that the projector 1 falls off from the tray 41 is not easy to occur, and the safety of the projector 1 is improved; the shell of the projector 1 can be protected by the arranged rubber base plate 45, and damage is reduced; inside back of box 2 is accomodate to supporting component 3 and fixed subassembly 4, closes case lid 25, through the stopper 251 that sets up, has restricted fixed subassembly 4's slip, is difficult to appear the phenomenon that fixed subassembly 4 rocked, has improved the stability of whole box 2.

The implementation principle of the digital video projection equipment in the embodiment of the application is as follows: when the projector 1 needs to be used in a certain temporary occasion, the box body 2 is moved to a position needing projection, the box cover 25 and the projector 1 are taken down, the supporting pipe 31 is rotated to be kept in the vertical direction, and then the sleeve 33 is moved to be sleeved on the support post 32 to limit the rotation of the supporting pipe 31; lifting the height of the tray 41 to enable the tray to be adapted to the height of the curtain, fixing the support pipe 31 through the positioning assembly 5, finally placing the projector 1, and clamping and fixing the projector 1 through the clamping plate 42; through the box 2, the supporting component 3 and the fixing component 4, the projector 1 can be conveniently moved, so that the projector can be suitable for various temporary occasions.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. A digital video projection apparatus comprising a projector (1), characterized in that: the projector support is characterized by further comprising a box body (2), wherein a supporting component (3) is vertically arranged on a bottom plate of the box body (2), and a fixing component (4) used for fixing the projector (1) is arranged at the top end of the supporting component (3).

2. A digital video presentation device according to claim 1, wherein: the supporting component (3) comprises a plurality of supporting pipes (31), and two adjacent supporting pipes (31) are connected in a sliding manner; the bottom ends of the supporting pipes (31) are provided with positioning components (5) for positioning the adjacent supporting pipes (31).

3. A digital video presentation device according to claim 1, wherein: the box body (2) is provided with a pillar (32) on the bottom plate, the bottom end of the supporting component (3) is hinged to the pillar (32), and the supporting component (3) is provided with a limiting part for limiting the rotation of the supporting component (3).

4. A digital video presentation device according to claim 3, wherein: the shape and the size of the cross section of the strut (32) are consistent with those of the cross section of the bottom end of the supporting component (3); the limiting piece is a sleeve (33), the sleeve (33) is sleeved on the supporting component (3), the sleeve (33) is connected with the supporting component (3) in a sliding mode, and the height of the sleeve (33) is larger than that of the support column (32).

5. A digital video presentation device according to claim 3, wherein: a sliding rail (22) is fixedly connected to a bottom plate of the box body (2), and the section of the sliding rail (22) is T-shaped; the sliding rail (22) is connected with a sliding block (23) in a sliding manner, the sliding block (23) is provided with a sliding chute (232) matched with the sliding rail (22), and the sliding block (23) is provided with a jackscrew (231) used for fixing the sliding block (23); the support column (32) is fixedly connected to the sliding block (23).

6. A digital video presentation device according to claim 1, wherein: the fixed component (4) comprises a tray (41) fixedly connected to the top end of the supporting component (3) and a clamping plate (42) arranged on the tray (41) and used for clamping the projector (1), and the clamping plate (42) is connected with the tray (41) in a sliding mode; be provided with the elastic component between cardboard (42) and tray (41), the elastic component is including fixing connecting rod (43) on cardboard (42), connecting rod (43) and tray (41) sliding connection, and the cover is equipped with clamping spring (44) on connecting rod (43), and clamping spring (44) one end is connected with cardboard (42), and the other end is connected with tray (41).

7. A digital video presentation device according to claim 6, wherein: and a rubber cushion plate (45) is arranged on the clamping plate (42).

8. A digital video presentation device according to claim 1, wherein: the bottom of the box body (2) is provided with universal wheels (21).