CN215807314U

CN215807314U - Projection display device with adjustable supporting height

Info

Publication number: CN215807314U
Application number: CN202121789940.5U
Authority: CN
Inventors: 费新江; 严程
Original assignee: Suzhou Shuimuqinghua Design Building Co ltd
Current assignee: Suzhou Shuimuqinghua Design Building Co ltd
Priority date: 2021-08-03
Filing date: 2021-08-03
Publication date: 2022-02-11
Anticipated expiration: 2031-08-03

Abstract

The utility model discloses a projection display device with adjustable supporting height, and particularly relates to the technical field of projection display devices. The first rotating ring is rotated to drive the first rotating shaft to rotate, the first rotating shaft drives the first gear to rotate, the first gear drives the second gear to rotate, the first gear and the second gear rotate in opposite directions and are meshed and connected with teeth on the inner wall of the lifting sleeve, the lifting sleeve is driven to slide up and down, the mounting plate and the projection equipment are driven to lift, and the height of the projection equipment is convenient to adjust.

Description

Projection display device with adjustable supporting height

Technical Field

The utility model relates to the technical field of projection display devices, in particular to a projection display device with adjustable supporting height.

Background

A projector, also called a projector, is a device that can project images or videos onto a curtain, and can be connected with a computer, a VCD, a DVD, a BD, a game machine, a DV, etc. through different interfaces to play corresponding video signals.

However, in practical use, the height of the projector is generally fixed, which is inconvenient to adjust and affects the projection effect, thereby reducing the display effect.

SUMMERY OF THE UTILITY MODEL

In order to overcome the above-mentioned drawbacks of the prior art, embodiments of the present invention provide a projection display device with adjustable supporting height, so as to solve the above-mentioned problems in the prior art.

In order to achieve the purpose, the utility model provides the following technical scheme: a projection display device with adjustable supporting height comprises a base and a fixed column fixedly connected to the upper surface of the base, wherein a lifting sleeve is sleeved on the surface of the fixed column in a sliding manner, a sliding opening is formed in the surface of the lifting sleeve, an installation block is fixedly connected to the top of the fixed column, a first rotating shaft and a second rotating shaft are rotatably connected to the surface of the installation block through bearings, the other end of the first rotating shaft penetrates through the inside of the sliding opening and is fixedly connected with a first rotating ring, a first gear and a second gear are fixedly sleeved on the surfaces of the first rotating shaft and the second rotating shaft, teeth are fixedly connected to the surfaces of the left side and the right side of the inner wall of the lifting sleeve, the first gear and the second gear are respectively meshed with the teeth on the inner wall of the lifting sleeve, an installation plate is fixedly connected to the upper surface of the lifting sleeve, clamping rods are slidably connected to the inside of the installation plate, and clamping frames are fixedly connected to the opposite sides of the two clamping rods, two the equal centre gripping of one side surface that the centre gripping frame is relative has projection equipment, the inside of mounting panel sets up the holder.

Preferably, the holder includes that it connects the dwang inside the mounting panel to rotate through the bearing, cam and driving medium, two have been cup jointed to the fixed surface of dwang the equal fixedly connected with slider in bottom of supporting rod, two the equal fixedly connected with fixed plate of side surface of slider, two the equal fixedly connected with extension spring of a side surface that the fixed plate is relative, two the arc wall has been seted up to a side surface that the slider is relative.

Preferably, the power transmission part comprises a first bevel gear fixedly sleeved on the surface of the rotating rod, the surface of the first bevel gear is engaged and connected with a second bevel gear, the center of the second bevel gear is fixedly connected with a rotating shaft, and the other end of the rotating shaft penetrates through the mounting plate and is fixedly connected with a second rotating ring.

Preferably, the bottom fixedly connected with connecting plate of mounting panel inner wall, fixedly connected with slide bar, two between the inner wall of mounting panel and the connecting plate the sliding sleeve has all been slided to the surface of slide bar and has been cup jointed, two the last fixed surface of sliding sleeve is connected with the dead lever, the top and the slider fixed connection of dead lever.

Preferably, the inner walls of two sides of the lifting sleeve are fixedly connected with connecting rods, the surface of one side, opposite to the two connecting rods, of the corresponding side is fixedly connected with a fixing sleeve, and the fixing sleeve is sleeved on the surface of the fixing column in a sliding mode.

Preferably, the left and right sides surface of fixed column has all seted up the spout, the inner wall fixedly connected with sand grip of fixed cover, sand grip sliding connection is in the inside of spout.

The utility model has the technical effects and advantages that:

1. compared with the prior art, the rotating ring arranged through rotation drives the rotating shaft to rotate, the rotating shaft drives the gear to rotate, the gear drives the gear to rotate in a meshed mode, the rotating shaft is connected with the teeth of the inner wall of the lifting sleeve in a meshed mode through the gear and the gear in the opposite direction to the gear in the meshed mode, the lifting sleeve is driven to slide up and down, the upper sliding sleeve and the lower sliding sleeve of the lifting sleeve drive the mounting plate and the projection equipment to lift, and therefore the height of the projection equipment can be adjusted conveniently.

2. Compared with the prior art, the rotating shaft is driven to rotate by the second rotating ring which is arranged in a rotating way, the second rotating ring drives the rotating shaft to rotate, the second bevel gear drives the first bevel gear which is connected in a meshed way to rotate, the first bevel gear drives the rotating rod to rotate, the rotating rod drives the cam to rotate, when the protruding position of the cam is abutted against the arc-shaped grooves of the two sliding blocks, the two sliding blocks are pushed to slide towards the two ends of the mounting plate, the sliding of the two sliding blocks drives the clamping rods to slide, meanwhile, the sliding sleeves are driven by the connecting rods to slide on the surfaces of the sliding rods, the projection equipment is placed on the surface of the mounting plate, the second rotating ring is loosened, the two sliding blocks are driven to reset towards the middle by the elastic force of the extension springs, the clamping rods are driven to slide, and the clamping frame is driven to clamp the projection equipment by the sliding of the clamping rods, the projection equipment is prevented from shaking.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a front structural sectional view of the present invention.

Fig. 3 is a schematic diagram of the structure of the mounting plate of the present invention.

Fig. 4 is a schematic view of the matching structure of the fixing sleeve and the fixing post of the present invention.

The reference signs are: 1. a base; 2. fixing a column; 3. a lifting sleeve; 4. mounting blocks; 5. a first rotating shaft; 6. a second rotating shaft; 7. a first rotating ring; 8. a first gear; 9. a second gear; 10. teeth; 11. mounting a plate; 12. a clamping rod; 13. a clamping frame; 14. a projection device; 15. a clamping member; 150. rotating the rod; 151. a cam; 152. a slider; 153. a fixing plate; 154. an extension spring; 155. an arc-shaped slot; 16. a power transmission member; 160. a first bevel gear; 161. a second bevel gear; 162. a rotating shaft; 163. rotating the ring II; 17. a connecting plate; 18. a slide bar; 19. a sliding sleeve; 20. fixing the rod; 21. a connecting rod; 22. fixing a sleeve; 23. a chute; 24. and (4) raised strips.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.

The projection display device with adjustable supporting height shown in fig. 1-4 mainly comprises a base 1, a fixing column 2, a lifting sleeve 3, a mounting block 4, a first rotating shaft 5, a second rotating shaft 6, a first rotating ring 7, a first gear 8, a second gear 9, a tooth 10, a mounting plate 11, a clamping rod 12, a clamping frame 13, a projection device 14 and a clamping piece 15, wherein the fixing column 2, the lifting sleeve 3, the mounting block 4, the first rotating shaft 5, the second rotating shaft 6, the first rotating ring 7, the first gear 8, the second gear 9, the tooth 10, the mounting plate 11, the clamping rod 12, the clamping frame 13, the projection device 14 and the clamping piece 15 are arranged in the base;

the clamping member 15 includes a rotating lever 150, a cam 151, a slider 152, a fixing plate 153, an extension spring 154, and an arc-shaped groove 155;

base 1, fixed column 2, lifting sleeve 3 and mounting panel 11 are as the carrier, play the effect of support, and a pivot 5 and pivot 6 are used for driving the effect of a gear 8 and No. two gears 9, and a gear 8 and No. two gears 9 are used for driving the effect that lifting sleeve 3 goes up and down, and clamping rod 12 and centre gripping frame 13 are used for the effect of centre gripping projection equipment 14, and holder 15 is used for driving the effect of clamping rod 12 and centre gripping frame 13 centre gripping projection equipment 14.

As shown in fig. 2 and fig. 3, the clamping member 15 includes a rotating rod 150 rotatably connected to the inside of the mounting plate 11 through a bearing, the surface of the rotating rod 150 is fixedly sleeved with a cam 151 and a power transmission member 16, the bottoms of the two clamping rods 12 are both fixedly connected with sliding blocks 152, the side surfaces of the two sliding blocks 152 are both fixedly connected with fixing plates 153, the opposite side surfaces of the two fixing plates 153 are both fixedly connected with extension springs 154, and the opposite side surfaces of the two sliding blocks 152 are provided with arc-shaped grooves 155;

in order to prevent the projection device 14 from shaking, the projection effect is affected, the rotation of the rotating rod 150 is driven by the power transmission assembly 16, the rotation of the rotating rod 150 drives the rotation of the cam 151, when the protruding position of the cam 151 is abutted to the arc-shaped grooves 155 of the two sliding blocks 152, thereby the two sliding blocks 152 are pushed to slide towards the two ends of the mounting plate 11, the sliding of the two sliding blocks 152 drives the sliding of the clamping 12 rod, meanwhile, the sliding sleeve 19 is driven by the fixing rod 20 to slide on the surface of the sliding rod 18, the projection device 14 is placed on the surface of the mounting plate 11, when the power transmission assembly 16 is loosened, the two sliding blocks 152 are driven to reset towards the middle by the elastic force of the extension spring 154, thereby the clamping rod 12 is driven to slide, the sliding of the clamping rod 12 drives the clamping frame 13 to clamp the projection device 14, and the projection device 14 is prevented from shaking.

As shown in fig. 2 and fig. 3, the power transmission member 16 includes a first bevel gear 160 fixedly sleeved on the surface of the rotating rod 150, a second bevel gear 161 is engaged and connected to the surface of the first bevel gear 160, a rotating shaft 162 is fixedly connected to the center of the second bevel gear 161, and the other end of the rotating shaft 162 penetrates through the mounting plate 11 and is fixedly connected to a second rotating ring 163;

in order to drive the rotating rod 150 to rotate, the second rotating ring 163 drives the rotating shaft 162 to rotate by rotating the second rotating ring 163, the second bevel gear 161 is driven to rotate by the rotation of the rotating shaft 162, the first bevel gear 160 in meshing connection is driven to rotate by the second bevel gear 161, and the first bevel gear 160 drives the rotating rod 150 to rotate.

As shown in fig. 2 and fig. 3, a connecting plate 17 is fixedly connected to the bottom of the inner wall of the mounting plate 11, a sliding rod 18 is fixedly connected between the inner wall of the mounting plate 11 and the connecting plate 17, sliding sleeves 19 are slidably sleeved on the surfaces of the two sliding rods 18, a fixing rod 20 is fixedly connected to the upper surfaces of the two sliding sleeves 19, and the top end of the fixing rod 20 is fixedly connected to the sliding block 152, so that the sliding rod 18 slides on the surface of the sliding rod 18 through the sliding sleeve 19, and the sliding block 152 is supported.

As shown in fig. 2 and fig. 4, the inner walls of the two sides of the lifting sleeve 3 are both fixedly connected with connecting rods 21, the surfaces of the opposite sides of the two connecting rods 21 are both fixedly connected with fixing sleeves 22, and the fixing sleeves 22 are slidably sleeved on the surfaces of the fixing columns 2;

spout 23 has all been seted up on the left and right sides surface of fixed column 2, the inner wall fixedly connected with sand grip 24 of fixed cover 22, sand grip 24 sliding connection is in the inside of spout 23 to in the surface of fixed column 2 is slided through connecting rod 21 messenger fixed cover 22, thereby realize the connection between lifting sleeve 3 and the fixed column 2, slide in the inside of spout 23 through sand grip 24, thereby realize the spacing to lifting sleeve 3.

The working principle of the utility model is as follows: when the projection device is used, the second rotating ring 163 is rotationally arranged, the second rotating ring 163 drives the rotating shaft 162 to rotate, the rotating shaft 162 drives the second bevel gear 161 to rotate, the second bevel gear 161 drives the first bevel gear 160 which is meshed and connected to rotate, the first bevel gear 160 drives the rotating rod 150 to rotate, the rotating rod 150 drives the cam 151 to rotate, when the protruding position of the cam 151 is abutted to the arc-shaped grooves 155 of the two sliders 152, the two sliders 152 are pushed to slide towards the two ends of the mounting plate 11, the sliding of the two sliders 152 drives the clamping rod 12 to slide, meanwhile, the fixed rod 20 drives the sliding sleeve 19 to slide on the surface of the sliding rod 18, the projection device 14 is placed on the surface of the mounting plate 11, the second rotating ring 163 is loosened, the two sliders 152 are driven to reset towards the middle through the elasticity of the stretching spring 154, and the clamping rod 12 is driven to slide, the centre gripping frame 13 has been driven in the slip of supporting rod 12 to the centre gripping of projection equipment 14, prevent that projection equipment 14 from rocking, when needs adjustment projection equipment 14 height, swivel 7 through rotating the setting has driven a pivot 5 and has rotated, a pivot 5 has driven a gear 8 and has rotated, a gear 8 has driven No. two gears 9 that the meshing is connected and has rotated, rotation through a gear 8 and No. two gears 9 opposite direction is connected with the tooth 10 meshing of lifting sleeve 3 inner walls, thereby driven lifting sleeve 3 and slided from top to bottom, lifting sleeve 3's upper and lower sliding sleeve has driven the lift of mounting panel 11 and projection equipment 14, thereby be convenient for adjust projection equipment 14's height.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a projection display device with adjustable supporting height, includes base (1) and fixed column (2) of fixed connection at base (1) upper surface, its characterized in that: the surface of the fixed column (2) is sleeved with a lifting sleeve (3) in a sliding mode, the surface of the lifting sleeve (3) is provided with a sliding opening, the top of the fixed column (2) is fixedly connected with an installation block (4), the surface of the installation block (4) is rotatably connected with a first rotating shaft (5) and a second rotating shaft (6) through bearings, the other end of the first rotating shaft (5) penetrates through the inside of the sliding opening and is fixedly connected with a first rotating ring (7), the surfaces of the first rotating shaft (5) and the second rotating shaft (6) are fixedly sleeved with a first gear (8) and a second gear (9), the surfaces of the left side and the right side of the inner wall of the lifting sleeve (3) are fixedly connected with teeth (10), the first gear (8) and the second gear (9) are both meshed with the teeth (10) on the inner wall of the lifting sleeve (3), and the upper surface of the lifting sleeve (3) is fixedly connected with an installation plate (11), the inside sliding connection of mounting panel (11) has supporting rod (12), two the equal fixedly connected with centre gripping frame (13) in the relative one side of supporting rod (12), two equal centre gripping of a side surface that centre gripping frame (13) is relative has projection equipment (14), the inside of mounting panel (11) sets up holder (15).

2. The projection display apparatus with adjustable supporting height according to claim 1, wherein: holder (15) include through bearing rotation connection dwang (150) inside mounting panel (11), cam (151) and driving medium (16), two have been cup jointed to the fixed surface of dwang (150) the equal fixedly connected with slider (152), two in the bottom of holding rod (12) the equal fixedly connected with fixed plate (153) of side surface of slider (152), two the equal fixedly connected with extension spring (154), two on the relative side surface of fixed plate (153 arc wall (155) have been seted up on the relative side surface of slider (152).

3. The projection display apparatus with adjustable supporting height according to claim 2, wherein: the power transmission part (16) comprises a first bevel gear (160) fixedly sleeved on the surface of the rotating rod (150), a second bevel gear (161) is meshed and connected to the surface of the first bevel gear (160), a rotating shaft (162) is fixedly connected to the center position of the second bevel gear (161), and the other end of the rotating shaft (162) penetrates through the mounting plate (11) and is fixedly connected with a second rotating ring (163).

4. A projection display apparatus with adjustable support height according to claim 3, wherein: the bottom fixedly connected with connecting plate (17) of mounting panel (11) inner wall, fixedly connected with slide bar (18), two between the inner wall of mounting panel (11) and connecting plate (17) the equal slip of surface of slide bar (18) has cup jointed sliding sleeve (19), two the last fixed surface of sliding sleeve (19) is connected with dead lever (20), the top and slider (152) fixed connection of dead lever (20).

5. The projection display apparatus with adjustable supporting height according to claim 1, wherein: the lifting sleeve is characterized in that connecting rods (21) are fixedly connected to the inner walls of two sides of the lifting sleeve (3), a fixed sleeve (22) is fixedly connected to the surface of one side, opposite to the connecting rods (21), of the lifting sleeve, and the fixed sleeve (22) is sleeved on the surface of the fixed column (2) in a sliding mode.

6. The projection display apparatus with adjustable supporting height according to claim 5, wherein: the fixing device is characterized in that sliding grooves (23) are formed in the surfaces of the left side and the right side of the fixing column (2), a protruding strip (24) is fixedly connected to the inner wall of the fixing sleeve (22), and the protruding strip (24) is connected to the inside of the sliding grooves (23) in a sliding mode.