CN212060856U

CN212060856U - Movable projection wall

Info

Publication number: CN212060856U
Application number: CN202020585573.6U
Authority: CN
Inventors: 吴祥
Original assignee: Hangzhou Qiyi Network Technology Co ltd
Current assignee: Hangzhou Qiyi Network Technology Co ltd
Priority date: 2020-04-17
Filing date: 2020-04-17
Publication date: 2020-12-01
Anticipated expiration: 2030-04-17

Abstract

The utility model discloses a movable projection wall, which comprises a base, a projection plate arranged on the base, a connecting mechanism for connecting the projection plate and the base and a moving mechanism, wherein the moving mechanism comprises a support column symmetrically arranged on the base, a plurality of support rods arranged on the support column, a connecting shaft arranged on the support rods, a moving wheel arranged on the connecting shaft and an auxiliary supporting device for auxiliary supporting the base; when the projection plate is used, the auxiliary supporting device supports the base, so that the friction force between the base and the ground is increased, and the projection plate is prevented from displacing in the practical process; when the projection plate needs to be moved, the auxiliary supporting device is reset, so that the moving wheels support the base, and then the base is pushed to move the position of the projection plate.

Description

Movable projection wall

Technical Field

The utility model belongs to the technical field of the projection wall, especially, relate to a portable projection wall.

Background

The projector for office generally projects images on a projection wall, most of the projection walls are directly fixed on the wall surface at present, the movement is very inconvenient, and the projection position is limited.

SUMMERY OF THE UTILITY MODEL

The utility model discloses an overcome prior art not enough, provide a portable projection wall.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a movable projection wall comprises a base, a projection plate arranged on the base, a connecting mechanism for connecting the projection plate and the base, and a moving mechanism, wherein the moving mechanism comprises support columns symmetrically arranged on the base, a plurality of support rods arranged on the support columns, a connecting shaft arranged on the support rods, a moving wheel arranged on the connecting shaft, and an auxiliary supporting device for supporting the moving wheel to be separated from the ground; when the projection plate is used, the auxiliary supporting device supports the base, so that the friction force between the base and the ground is increased, and the projection plate is prevented from displacing in the practical process; when the projection plate needs to be moved, the auxiliary supporting device is reset, so that the moving wheels support the base, and then the base is pushed to move the position of the projection plate.

Preferably, supplementary strutting arrangement is including locating slide opening on the support column, with slide opening complex bracing piece, locating first backup pad on the bracing piece tip, locating second backup pad of first backup pad below, locating a plurality of slide bars on the bracing piece, cover are located first elastic component on the slide bar, locate first limiting plate and control on the slide bar the control assembly that the slide bar reciprocated, first backup pad is equipped with the round hole that supplies the slide bar to pass.

Preferably, the control assembly comprises a first sliding chute arranged on the supporting column, a clamping groove arranged on the supporting column, a pedal arranged on the supporting rod and a reset component; when the projection plate is used, the pedal is stepped downwards by feet to drive the supporting rod to move downwards, so that the second supporting plate is in contact with the ground, the first elastic piece is extruded to shrink, then the pedal is rotated to enter the clamping groove, the pedal is loosened, the first elastic piece pushes the second supporting plate to be in close contact with the ground, the friction force between the second supporting plate and the ground is improved, and displacement in the practical process is avoided; when the projection plate needs to be moved, the rotating pedal is moved out of the clamping groove, the supporting rod is taken into the sliding hole, the moving wheel is contacted with the ground, and the base is pushed to move.

Preferably, the resetting part comprises a mounting groove arranged in the sliding hole, a second elastic piece arranged in the mounting groove and a second limiting plate arranged at the end part of the sliding rod; the supporting rod can be pulled to move upwards through the second elastic piece, so that the second supporting plate is prevented from contacting with the ground in the process of moving the base.

Preferably, the second limiting plate is provided with a protrusion, and a groove matched with the protrusion is formed in the side wall of the mounting groove.

Preferably, the connecting mechanism comprises fixing plates symmetrically arranged on two sides of the base, a clamping plate capable of sliding up and down relative to the fixing plates, a driving device for driving the clamping plate to move up and down, and a connecting device for connecting the clamping plate and the projection plate.

Preferably, the driving device comprises a second sliding chute arranged in the fixed plate, a screw rod arranged in the sliding chute, a connecting block arranged on the screw rod and a handle arranged on the end part of the screw rod, and the connecting block is fixedly connected with the clamping plate; the connecting block can be driven to move up and down by rotating the screw rod, so that the projection plate is driven to move up and down, and the height of the projection plate can be conveniently adjusted.

Preferably, the connecting device comprises a third sliding chute arranged in the clamping plate, a plurality of fastening bolts arranged on the clamping plate and an elastic block arranged on the fastening bolts; when the projection plate is fixed, the projection plate is inserted into the third sliding groove, and then the fastening bolt is rotated, so that the projection plate is fixed in the third sliding groove.

In conclusion, when the projection plate is used, the movable wheels are separated from the ground through the auxiliary supporting device, so that the projection plate is prevented from displacing in the practical process; when the projection plate needs to be moved, the auxiliary supporting device is reset, so that the moving wheels support the base, and then the base is pushed to move the position of the projection plate.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is an enlarged view of fig. 1 at a.

Fig. 3 is a cross-sectional view of the present invention.

Fig. 4 is an enlarged view of fig. 3 at a.

Detailed Description

As shown in fig. 1-4, a movable projection wall includes a base 1, a projection plate 2, a connection mechanism and a moving mechanism, wherein the moving mechanism includes a support column 31, a support rod 32, a connection shaft 33, a moving wheel 34 and an auxiliary support device, the support column 31 is symmetrically fixed at the bottom of the base, and the support column is provided with a sliding hole; the number of the supporting rods 32 is preferably 4, and the supporting rods are uniformly fixed on the outer wall of the supporting column; the connecting shaft 33 is fixed on the support rod; the moving wheel 34 is rotatably connected to the connecting shaft to facilitate steering.

Specifically, the auxiliary supporting device comprises a supporting rod 351, a first supporting plate 352, a second supporting plate 353, a sliding rod 354, a first elastic member 355, a first limiting plate 356, a first sliding groove 357, a clamping groove 358, a pedal 359, a mounting groove 361, a second elastic member 362, a second limiting plate 363, a protrusion 364 and a groove, wherein the supporting rod 351 can be just inserted into the sliding hole to slide up and down; the first supporting plate 352 is fixed at the bottom end of the supporting rod; the second supporting plate 353 is arranged right below the first supporting plate; the sliding rods 354 are uniformly fixed on the second supporting plate in a surrounding manner, the upper ends of the sliding rods penetrate through the first supporting plate, and round holes for the sliding rods to penetrate through are formed in the first supporting plate; the first elastic member 355 is a conventional spring, which is sleeved on the sliding rod; the first limit plate 356 is fixed at the upper end of the slide rod to prevent the slide rod from falling off from the first support plate; the first sliding groove 357 is vertically arranged on the supporting column; the clamping groove 358 is horizontally formed in the supporting column and is communicated with the first sliding groove; the pedal 359 is fixed on the supporting rod, can slide in the first sliding groove and can rotate into the clamping groove, when the projection plate is used, a foot is used for stepping down on the pedal to drive the supporting rod to move downwards, so that the second supporting plate is in contact with the ground, the first elastic piece is extruded to shrink, then the pedal is rotated to enter the clamping groove, the pedal is loosened, the first elastic piece pushes the second supporting plate to be in close contact with the ground, and the friction force between the second supporting plate and the ground is improved, so that the displacement is avoided in the practical process; when the projection plate needs to be moved, the rotating pedal is moved out of the clamping groove, the supporting rod is taken into the sliding hole, the moving wheel is made to be in contact with the ground, and the base is pushed to move; the mounting groove 358 is formed in the inner wall of the top of the sliding hole; the second limiting plate 363 is fixed to the upper end of the supporting rod; the second elastic piece 362 is a spring, is sleeved on the supporting rod, is fixed at the upper end on the second limiting plate, is fixed at the bottom of the mounting groove at the lower end, and can pull the supporting rod to move upwards through the second elastic piece so as to prevent the second supporting plate from contacting with the ground in the process of moving the base; the protrusion 364 is fixed to the pedal; the groove is formed in the upper side wall of the clamping groove and can be clamped by the protrusion.

Specifically, the connecting mechanism comprises a fixing plate 41, a clamping plate 42, a second sliding groove 43, a screw 44, a connecting block 45, a handle 46, a third sliding groove 47, a fastening bolt 48 and an elastic block 49, wherein the fixing plate 41 is symmetrically fixed on the base; the second sliding chute 43 is arranged on the fixing plate; the clamping plate 42 can be inserted into the second chute; one end of the screw 44 is rotatably connected to the bottom of the second chute; the connecting block 45 is screwed on the screw rod; the handle 46 is fixed at the upper end of the screw rod; the third sliding chute 47 is arranged on the clamping plate and can be used for inserting the projection plate, and the connecting block can be driven to move up and down by rotating the screw rod, so that the projection plate is driven to move up and down, and the height of the projection plate can be conveniently adjusted; the fastening bolt 48 is screwed on the clamping plate; the elastic block 49 is made of rubber to prevent the fastening bolt from damaging the projection plate.

Claims

1. The utility model provides a portable projection wall, includes base (1), locates projection board (2), connection on the base coupling mechanism and the moving mechanism of projection board and base, its characterized in that: the moving mechanism comprises a support column (31) symmetrically arranged on the base, a plurality of support rods (32) arranged on the support column, a connecting shaft (33) arranged on the support rods, a moving wheel (34) arranged on the connecting shaft and an auxiliary supporting device used for supporting the base in an auxiliary mode.

2. A movable projection wall according to claim 1, wherein: the auxiliary supporting device comprises a sliding hole arranged on the supporting column, a supporting rod (351) matched with the sliding hole, a first supporting plate (352) arranged at the end part of the supporting rod, a second supporting plate (353) arranged below the first supporting plate, a plurality of sliding rods (354) arranged on the supporting rod, a first elastic piece (355) sleeved on the sliding rod, a first limiting plate (356) arranged on the sliding rod and a control component for controlling the sliding rod to move up and down, wherein the first supporting plate is provided with a round hole for the sliding rod to pass through.

3. A movable projection wall according to claim 2, wherein: the control assembly comprises a first sliding groove (357) arranged on the supporting column, a clamping groove (358) arranged on the supporting column, a pedal (359) arranged on the supporting rod and a reset component.

4. A movable projection wall according to claim 3, wherein: the reset component comprises a mounting groove (361) arranged in the sliding hole, a second elastic piece (362) arranged in the mounting groove and a second limiting plate (363) arranged at the end part of the sliding rod.

5. A movable projection wall according to claim 4, characterized in that: the second limiting plate is provided with a protrusion (364), and a groove matched with the protrusion is formed in the side wall of the mounting groove.

6. A movable projection wall according to claim 1, wherein: the connecting mechanism comprises fixing plates (41) symmetrically arranged on two sides of the base, a clamping plate (42) capable of sliding up and down relative to the fixing plates, a driving device for driving the clamping plate to move up and down and a connecting device for connecting the clamping plate and the projection plate.

7. A movable projection wall according to claim 6, characterized in that: the driving device comprises a second sliding groove (43) arranged in the fixing plate, a screw rod (44) arranged in the second sliding groove, a connecting block (45) arranged on the screw rod and a handle (46) arranged on the end part of the screw rod, and the connecting block is fixedly connected with the clamping plate.

8. A movable projection wall according to claim 6, characterized in that: the connecting device comprises a third sliding groove (47) arranged in the clamping plate, a plurality of fastening bolts (48) arranged on the clamping plate and an elastic block (49) arranged on the fastening bolts.