CN220135125U - Automatic lifting device of projector - Google Patents

Abstract

The utility model discloses an automatic lifting device of a projector, which comprises a base, wherein wheels are arranged on the base, a shell is fixedly connected to the base, an air cylinder is fixedly connected to the base, an object placing plate is fixedly connected to the output end of the air cylinder, the object placing plate is in sliding connection with the shell, a projector body is contacted on the object placing plate, the projector body is in sliding connection with the shell, and a fixing rod is fixedly connected to the object placing plate. According to the utility model, through the effect of the designed air cylinder, the air cylinder can drive the object placing plate to move, and then the projector body can be driven to move up and down, through the effects of the shell and the cover plate, the projector body can be protected from dust adhesion, and through the effect of the pressing block, the projector body can be pressed down and positioned, so that the shaking of the projector body is prevented from affecting the projection effect, and the pressing block can be conveniently separated from the projector body, so that the maintenance work of the projector body is convenient.

Description

Automatic lifting device of projector

Technical Field

The utility model relates to the technical field of projectors, in particular to an automatic lifting device of a projector.

Background

The utility model patent with the publication number of CN207198537U discloses automatic lifting projector equipment, which comprises a projector main body, wherein a transverse bracket is arranged outside the projector main body, a servo motor is arranged above the transverse bracket, a ball screw is connected to the lower transmission of the servo motor, supporting columns are arranged on the left side and the right side of the ball screw, a base is arranged below the transverse bracket, a screw nut seat is connected to the outer parts of the ball screw and the supporting columns, a placing shell is connected to the outer parts of the screw nut seat, the projector main body is positioned inside the placing shell, an opening is formed in the front of the placing shell, a lens of the projector main body is exposed outside the placing shell, and a controller is arranged above the transverse bracket.

However, in the above patent, the projector is directly exposed to the external environment when in use, when the projector is stopped, the projector is inconvenient to protect, dust in the air is easy to adhere to the projector, and the device can be used in a moving way through the wheels, and in the projection process, the contact area between the wheels and the ground is small, so that the projector can shake and deviate easily, and the stability of the device can be affected. Therefore, improvements are needed.

Disclosure of Invention

The utility model aims to provide an automatic lifting device of a projector, which solves the problem that the projector is inconvenient to protect and the problem that the positioning stability of the whole structure is insufficient.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides an automatic lifting device of projecting apparatus, includes the base, be provided with the wheel on the base, fixedly connected with shell on the base, fixedly connected with cylinder on the base, the output fixedly connected with of cylinder puts the thing board, put thing board and shell sliding connection, it has the projecting apparatus body to put the contact on the thing board, projecting apparatus body and shell sliding connection, fixedly connected with dead lever on the thing board to put, fixedly connected with apron on the dead lever, apron and shell sliding connection, fixedly connected with guide arm on the thing board to put, guide arm and shell sliding connection, fixedly connected with sloping block on the guide arm, be provided with positioning mechanism on the projecting apparatus body, be provided with supporting mechanism on the base.

Preferably, the positioning mechanism comprises a pressing block, a pressing rod, a fixing seat, a first spring and a limiting screw, wherein the pressing block is contacted with the projector body, the pressing block is fixedly connected with the pressing rod, the fixing seat is sleeved on the outer side of the pressing rod in a sliding mode, the fixing seat is fixedly connected with the cover plate, the first spring is arranged in the fixing seat, the limiting screw is connected with the fixing seat through threads, and the limiting screw is in sliding connection with the pressing rod. Through design positioning mechanism, can conveniently carry out the location of projecting apparatus body.

Preferably, one end of the first spring is fixedly connected with the fixing seat, and the other end of the first spring is fixedly connected with the compression bar. By designing the first spring, the force of the first spring can act on the compression bar.

Preferably, the guide rod is fixedly connected with a guide block, and the guide block is in sliding connection with the shell. By designing the guide blocks, the movement of the guide rods can be guided.

Preferably, the supporting mechanism comprises a connecting block, a guide rod, a push block, a supporting block, a second spring and a fixed block, wherein the connecting block is contacted with the inclined block, the connecting block is in sliding connection with the base, the guide rod is in sliding connection with the inside of the connecting block, the guide rod is fixedly connected with the base, the push block is fixedly connected with the connecting block, the push block is in sliding connection with the base, the supporting block is contacted with the push block, the supporting block is contacted with the base, the second spring is arranged in the supporting block, the fixed block is connected with the inside of the supporting block in a sliding manner, and the fixed block is fixedly connected with the base. Through design supporting mechanism, conveniently carry out overall structure's support and use.

Preferably, one end of the second spring is fixedly connected with the fixed block, and the other end of the second spring is fixedly connected with the supporting block. By designing the second spring such that the force of the second spring can act on the support block.

Compared with the prior art, the utility model has the following beneficial effects:

1. according to the utility model, through the effect of the designed air cylinder, the air cylinder can drive the object placing plate to move, and then the projector body can be driven to move up and down, through the effects of the shell and the cover plate, the projector body can be protected from dust adhesion, and through the effect of the pressing block, the projector body can be pressed down and positioned, so that the shaking of the projector body is prevented from affecting the projection effect, and the pressing block can be conveniently separated from the projector body, so that the maintenance work of the projector body is convenient.

2. According to the utility model, through the cooperation of the inclined block and the connecting block, when the projector body is lifted upwards through the movement of the object placing plate, the supporting block can move downwards through the movement of the inclined block pushing the connecting block, the whole structure can be supported and fixed through the supporting block, the wheels can be separated from the ground, the contact area with the ground is larger, and the whole structure is more stable in use.

Drawings

FIG. 1 is a perspective view of the overall structure of the present utility model;

FIG. 2 is a front cross-sectional view of FIG. 1 of the present utility model;

fig. 3 is a top view of the storage plate of fig. 2 according to the present utility model.

In the figure: 1. a base; 2. a wheel; 3. a housing; 4. a cylinder; 5. a storage plate; 6. a projector body; 7. a fixed rod; 8. a positioning mechanism; 9. a support mechanism; 10. a cover plate; 11. a guide rod; 12. a sloping block; 81. briquetting; 82. a compression bar; 83. a fixing seat; 84. a first spring; 85. a limit screw; 86. a guide block; 91. a connecting block; 92. a guide rod; 93. a pushing block; 94. a support block; 95. a second spring; 96. and a fixed block.

Detailed Description

The following description of the embodiments of the present utility model 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 utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1, 2 and 3, an automatic lifting device of a projector includes a base 1, a wheel 2 is provided on the base 1, a housing 3 is fixedly connected on the base 1, a cylinder 4 is fixedly connected on the base 1, an output end of the cylinder 4 is fixedly connected with a storage plate 5, the storage plate 5 is slidably connected with the housing 3, a projector body 6 is contacted on the storage plate 5, the projector body 6 is slidably connected with the housing 3, a fixing rod 7 is fixedly connected on the storage plate 5, a cover plate 10 is fixedly connected on the fixing rod 7, the cover plate 10 is slidably connected with the housing 3, a guide rod 11 is fixedly connected on the storage plate 5, the guide rod 11 is slidably connected with the housing 3, an inclined block 12 is fixedly connected on the guide rod 11, a positioning mechanism 8 is arranged on the projector body 6, and a supporting mechanism 9 is arranged on the base 1.

Referring to fig. 1 and 2, the positioning mechanism 8 includes a pressing block 81, a pressing rod 82, a fixing seat 83, a first spring 84, and a limit screw 85, where the pressing block 81 contacts with the projector body 6, the pressing rod 82 is fixedly connected to the pressing block 81, the fixing seat 83 is slidably sleeved on the outer side of the pressing rod 82, the fixing seat 83 is fixedly connected to the cover plate 10, the first spring 84 is provided in the fixing seat 83, one end of the first spring 84 is fixedly connected to the fixing seat 83, the other end of the first spring 84 is fixedly connected to the pressing rod 82, the first spring 84 is designed so that the acting force of the first spring 84 can act on the pressing rod 82, the limit screw 85 is in threaded connection with the pressing rod 82, the limit screw 85 is slidably connected to the fixing seat 11, the guide block 86 is slidably connected to the housing 3, the guide block 86 can guide the movement of the guide rod 11, and the positioning mechanism 8 is designed so that the projector body 6 can be conveniently positioned.

Referring to fig. 1 and 2, the supporting mechanism 9 includes a connecting block 91, a guide rod 92, a pushing block 93, a supporting block 94, a second spring 95, and a fixing block 96, wherein the connecting block 91 is contacted with the inclined block 12, the connecting block 91 is slidably connected with the base 1, the guide rod 92 is fixedly connected with the base 1, the pushing block 93 is fixedly connected with the connecting block 91, the pushing block 93 is slidably connected with the base 1, the supporting block 94 is contacted with the base 1, the second spring 95 is disposed in the supporting block 94, one end of the second spring 95 is fixedly connected with the fixing block 96, the other end of the second spring 95 is fixedly connected with the supporting block 94, the acting force of the second spring 95 can act on the supporting block 94 through designing the second spring 95, the fixing block 96 is slidably connected with the inside of the supporting block 94, the fixing block 96 is fixedly connected with the base 1, and the supporting mechanism 9 is designed to facilitate the supporting of the whole structure.

The specific implementation process of the utility model is as follows: during the use, through the effect of shell 3 and apron 10, can play a guard action to projector body 6, prevent the attachment of dust, when needs use projector body 6, start cylinder 4, the output of cylinder 4 drives puts thing board 5 and upwards moves, put thing board 5 and drive projector body 6 upwards move, projector body 6 drives guide arm 11 and guide block 86 and remove, projector body 6 still can drive dead lever 7 and apron 10 and remove for apron 10 upwards moves and the separation of shell 3, can stretch out projector body 6 and use with projector body 3.

When needs are dismantled projector body 6, stretch out shell 3 with projector body 6 earlier, then upwards remove briquetting 81, briquetting 81 drive depression bar 82 and slide along fixing base 83, and depression bar 82 can extrude first spring 84 for briquetting 81 and projector body 6 separation can take off projector body 6, conveniently carry out the maintenance work of projector body 6. In the upward moving process of the guide rod 11, the guide rod 11 drives the inclined block 12 to move, the inclined block 12 and the connecting block 91 slide relatively, the connecting block 91 slides along the guide rod 92, the connecting block 91 drives the pushing block 93 to move horizontally, the pushing block 93 slides along the inclined plane of the supporting block 94, the supporting block 94 can slide along the fixed block 96, the supporting block 94 stretches the second spring 95, the whole structure is jacked up upwards through the supporting block 94, the wheels 2 can be separated from the ground, and the contact area between the supporting block 94 and the ground is larger, so that the whole structure is more stable in use.

Although embodiments of the present utility model 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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. An automatic lifting device of a projector, comprising a base (1), characterized in that: be provided with wheel (2) on base (1), fixedly connected with shell (3) on base (1), fixedly connected with cylinder (4) on base (1), the output fixedly connected with of cylinder (4) puts thing board (5), put thing board (5) and shell (3) sliding connection, it has projecting apparatus body (6) to put the contact on thing board (5), projecting apparatus body (6) and shell (3) sliding connection, fixedly connected with dead lever (7) on putting thing board (5), fixedly connected with apron (10) on dead lever (7), apron (10) and shell (3) sliding connection, fixedly connected with guide arm (11) on putting thing board (5), guide arm (11) and shell (3) sliding connection, fixedly connected with sloping block (12) on guide arm (11), be provided with positioning mechanism (8) on projecting apparatus body (6), be provided with supporting mechanism (9) on base (1).

2. The automatic lifting device of a projector according to claim 1, wherein: positioning mechanism (8) are including briquetting (81), depression bar (82), fixing base (83), first spring (84), stop screw (85), the contact has briquetting (81) on projecting apparatus body (6), fixedly connected with depression bar (82) on briquetting (81), fixing base (83) have been cup jointed in the outside slip of depression bar (82), fixing base (83) and apron (10) fixed connection, the inside of fixing base (83) is provided with first spring (84), there is stop screw (85) in the inside of fixing base (83) through threaded connection, stop screw (85) and depression bar (82) sliding connection.

3. An automatic lifting device of a projector according to claim 2, wherein: one end of the first spring (84) is fixedly connected with the fixing seat (83), and the other end of the first spring (84) is fixedly connected with the pressing rod (82).

4. The automatic lifting device of a projector according to claim 1, wherein: the guide rod (11) is fixedly connected with a guide block (86), and the guide block (86) is in sliding connection with the shell (3).

5. The automatic lifting device of a projector according to claim 1, wherein: supporting mechanism (9) are including connecting block (91), guide bar (92), ejector pad (93), supporting shoe (94), second spring (95), fixed block (96), the contact has connecting block (91) on oblique piece (12), connecting block (91) and base (1) sliding connection, the inside sliding connection of connecting block (91) has guide bar (92), guide bar (92) and base (1) fixed connection, fixedly connected with ejector pad (93) on connecting block (91), ejector pad (93) and base (1) sliding connection, the contact has supporting shoe (94) on ejector pad (93), supporting shoe (94) and base (1) contact, the inside of supporting shoe (94) is provided with second spring (95), the inside sliding connection of supporting shoe (94) has fixed block (96), fixed block (96) and base (1) fixed connection.

6. The automatic lifting device of a projector according to claim 5, wherein: one end of the second spring (95) is fixedly connected with the fixed block (96), and the other end of the second spring (95) is fixedly connected with the supporting block (94).