CN212672866U

CN212672866U - Adjustable light-resistant curtain trolley

Info

Publication number: CN212672866U
Application number: CN202020947692.1U
Authority: CN
Inventors: 陈永祥; 石益敏; 张春燕
Original assignee: Zhangjiagang Wanshida Electronic Teaching Technology Co ltd
Current assignee: Zhangjiagang Wanshida Electronic Teaching Technology Co ltd
Priority date: 2020-05-29
Filing date: 2020-05-29
Publication date: 2021-03-09
Anticipated expiration: 2030-05-29

Abstract

The utility model discloses an adjustable light-resistant curtain trolley, which comprises a supporting device, a fixing device and an adjusting device, wherein the fixing device is arranged on the supporting device, and the adjusting device is arranged on the fixing device; the supporting device comprises a bottom frame and longitudinal beams arranged on two sides of the bottom frame, and the longitudinal beams are of arc structures; the fixing device comprises an inner tube and an outer tube, an upper cross beam is arranged on the inner tube, a lower cross beam is arranged on the outer tube, the outer tube is fixedly arranged on the underframe, the inner tube is sleeved on the outer tube, a positioning plate is arranged at the upper end of the outer tube, a rack and a handle are arranged on the inner tube, a buckle is arranged on the positioning plate, and the buckle is matched with the rack for use; the adjusting device comprises a bottom plate, a support and a panel, the support is fixed between the adjacent outer tubes, the bottom plate is fixed on the support, and the panel is installed on the bottom plate through a sliding rail. The utility model has simple structure, the height position of the light-resistant curtain can be adjusted up and down, and the positioning is convenient; and can be adapted to light-resistant curtains of various specifications and sizes and projectors of various specifications.

Description

Adjustable light-resistant curtain trolley

Technical Field

The utility model relates to a shallow field, concretely relates to anti light curtain shallow with adjustable.

Background

In recent years, with the increasing brightness of projectors, the advantages of projection display systems in various locations have become more and more significant. In some application places, the projection screen is usually installed in a position with a bright illumination light source and good natural lighting conditions, and is generally installed on a wall surface or a bracket, but a curtain installed on the wall surface cannot be adjusted up and down and moved integrally, so that the requirements of users on up and down lifting and position moving cannot be met; and the adaptability of the existing bracket mounting is poor, and the mounting requirements of curtains and projectors with various specifications cannot be met.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem of providing an adjustable light-resistant curtain trolley which has simple structure, the height position of the light-resistant curtain can be adjusted up and down, and the positioning is convenient; and can be adapted to light-resistant curtains of various specifications and sizes and projectors of various specifications.

In order to solve the technical problem, the utility model provides an adjustable light-resistant curtain cart, which comprises a supporting device, a fixing device and an adjusting device, wherein the fixing device is arranged on the supporting device, and the adjusting device is arranged on the fixing device; the supporting device comprises a bottom frame and longitudinal beams arranged on two sides of the bottom frame, and the longitudinal beams are of arc-shaped structures; the fixing device comprises an inner tube and an outer tube, wherein an upper cross beam is arranged on the inner tube, a lower cross beam is arranged on the outer tube, the outer tube is fixedly arranged on the underframe, the inner tube is sleeved on the outer tube, a positioning plate is arranged at the upper end part of the outer tube, a rack and a handle are arranged on the inner tube, a buckle is arranged on the positioning plate, and the buckle is matched with the rack for use; the adjusting device comprises a bottom plate, a support and a panel, the support is fixed between the adjacent outer tubes, the bottom plate is fixed on the support, and the panel is installed on the bottom plate through a sliding rail.

Furthermore, a reinforcing beam is arranged on the bottom frame and connected with the longitudinal beam, the bottom frame and the reinforcing beam are of a closed structure, and the bottom frame and the longitudinal beam are connected into a whole in a splayed form.

Further, the lower terminal surface of inner tube installs the direction slider, the junction of inner tube and outer tube is provided with the bush, the bush restriction the inner tube rocks, increases stability.

Further, the entablature through last mounting bracket with the inner tube meets, the bottom end rail through the mounting bracket with the outer tube meets.

Further, an outer groove is formed in the outer surface of the outer pipe, a connecting plate is arranged in the outer groove, and the lower mounting frame is fixed to the outer pipe through the connecting plate.

Furthermore, different mounting holes are formed in the upper cross beam and the lower cross beam, and hanging plates are fixed to the mounting holes.

Furthermore, the lower surface of the panel is provided with supporting legs, the lower ends of the supporting legs are provided with trundles, and screw rods are arranged between the trundles and the supporting legs.

Further, the lower surface of the underframe is provided with a caster.

Further, a connecting rod is arranged between the adjacent outer pipes.

The utility model has the advantages that: 1. utilize rack on the inner tube and the buckle cooperation on the locating plate to use, make the inner tube rise through the handle, later with the buckle card on the locating plate in the draw-in groove that the rack corresponds, the inner tube automatic stop is in the current position, when needing readjustment position, breaks away from the draw-in groove with the buckle, can make the inner tube descend.

2. The panel is installed on the bottom plate through the slide rail, and the panel can change the position of oneself through the slide rail promptly, places laser projector on the panel, outwards removes through the slide rail, adapts to the projector of different throw ratios, removes to reach the effect of adjusting with locking screw location after targetting in place.

Drawings

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

Fig. 2 is a side view of the overall structure of the present invention.

Fig. 3 is an isometric view of the overall structure of the present invention.

The reference numbers in the figures illustrate: 1. a support device; 11. a chassis; 12. a stringer; 13. a reinforcing beam; 2. a fixing device; 21. an inner tube; 22. an outer tube; 23. an upper cross beam; 24. a lower cross beam; 25. positioning a plate; 26. a rack; 27. a handle; 28. a bushing; 29. an outer tank; 3. an adjustment device; 31. a base plate; 32. a support; 33. a panel; 34. a slide rail; 35. supporting legs; 36. a screw; 4. mounting a frame; 5. a lower mounting frame; 6. a caster wheel; 7. a connecting rod; 8. mounting holes; 9. the board is hung.

Detailed Description

The present invention is further described with reference to the following drawings and specific embodiments so that those skilled in the art can better understand the present invention and can implement the present invention, but the embodiments are not to be construed as limiting the present invention.

Referring to fig. 1 to 3, an embodiment of an adjustable light curtain resisting cart according to the present invention includes a supporting device 1, a fixing device 2 and an adjusting device 3, wherein the fixing device 2 is disposed on the supporting device 1, and the adjusting device 3 is disposed on the fixing device 2; the supporting device 1 comprises a base frame 11 and longitudinal beams 12 arranged on two sides of the base frame 11, wherein the longitudinal beams 12 are of arc structures; the fixing device 2 comprises an inner tube 21 and an outer tube 22, wherein an upper cross beam 23 is arranged on the inner tube 21, a lower cross beam 24 is arranged on the outer tube 22, the outer tube 22 is fixedly arranged on the underframe 11, the inner tube 21 is sleeved on the outer tube 22, a positioning plate 25 is arranged at the upper end part of the outer tube 22, a rack 26 and a handle 27 are arranged on the inner tube 21, and a buckle is arranged on the positioning plate 25 and matched with the rack 26 for use; the adjusting device 3 comprises a bottom plate 31, a bracket 32 and a panel 33, wherein the bracket 32 is fixed between the adjacent outer tubes 22, the bottom plate 31 is fixed on the bracket 32, and the panel 33 is installed on the bottom plate 31 through a slide rail 34.

When in use, firstly, the positions of the inner tube 21 and the outer tube 22 are adjusted, namely, the distance between the upper cross beam 23 and the lower cross beam 24 is adjusted, the rack 26 on the inner tube 21 is matched with the buckle on the positioning plate 25 for use, the inner tube 21 is lifted through the handle 27, then the buckle on the positioning plate 25 is clamped in the clamping groove corresponding to the rack 26, the inner tube 21 is automatically stopped at the current position, when the position needs to be adjusted again, the pin shaft on the positioning plate 25 is rotated to separate the buckle from the clamping groove, the inner tube 21 can be lowered, after the adjustment is finished, the light resisting curtain is fixed between the upper cross beam 23 and the lower cross beam 24, then the position of the adjusting device 3 is adjusted, because the panel 33 is arranged on the bottom plate 31 through the slide rail 34, namely, the panel 33 can change the position of the panel 33 through the slide rail 34, firstly, the laser projector is arranged on, the projector is suitable for projectors with different projection ratios, and the panel 33 is fixed by positioning the projectors by using locking screws after the projectors are moved in place, so that the adjustment effect is achieved.

Be provided with stiffening beam 13 on the chassis 11, stiffening beam 13 connects longeron 12, increases the fastness of chassis 11, and chassis 11 and stiffening beam 13 are the enclosed type structure, and chassis 11 and longeron 12 are eight characters form for linking into an organic whole, and this structure bulk strength is good, and is light firm.

The lower end face of the inner tube 21 is provided with a guide sliding block, so that the inner tube 21 can slide smoothly in the outer tube 22, a bush 28 is arranged at the joint of the inner tube 21 and the outer tube 22, and the bush 28 limits the inner tube 21 to shake, so that the stability is improved.

All be provided with different mounting holes 8 on entablature 23 and the bottom end rail 24, be provided with link plate 9 on the mounting hole 8, link plate 9 is used for fixed anti light curtain, and entablature 23 meets with inner tube 21 through last mounting bracket 4, bottom end rail 24 through down mounting bracket 5 with outer tube 22 meets, utilizes the fixed crossbeam that mounting bracket 4 and lower mounting bracket 5 can be better and increase the stability of device, is provided with outer groove 29 on outer tube 22's the surface, is provided with the connecting plate in the outer groove 29, and lower mounting bracket 5 passes through the connecting plate is fixed on the outer tube 22, the connecting plate can the adjusting position, sets up the position and can fix the connecting plate at outer groove 29's arbitrary height, and application scope is wide.

The lower surface of panel 33 is provided with supporting legs 35, and the lower extreme of supporting legs 35 is provided with truckle 6, is provided with screw 36 between truckle 6 and the supporting legs 35, and adjusting screw 36's length can adapt to not high panel 33, and truckle 6 is installed equally to the lower surface of chassis 11, can carry out the bulk movement of shallow.

The connecting rods 7 are arranged between the adjacent outer tubes 22, so that the parallelism of the two outer tubes 22 is kept, and the stability of the outer tubes 22 is improved.

The above-mentioned embodiments are merely preferred embodiments for fully illustrating the present invention, and the scope of the present invention is not limited thereto. Equivalent substitutes or changes made by the technical personnel in the technical field on the basis of the utility model are all within the protection scope of the utility model. The protection scope of the present invention is subject to the claims.

Claims

1. An adjustable light curtain resisting trolley is characterized by comprising a supporting device, a fixing device and an adjusting device, wherein the fixing device is arranged on the supporting device, and the adjusting device is arranged on the fixing device; the supporting device comprises a bottom frame and longitudinal beams arranged on two sides of the bottom frame, and the longitudinal beams are of arc-shaped structures;

the fixing device comprises an inner tube and an outer tube, wherein an upper cross beam is arranged on the inner tube, a lower cross beam is arranged on the outer tube, the outer tube is fixedly arranged on the underframe, the inner tube is sleeved on the outer tube, a positioning plate is arranged at the upper end part of the outer tube, a rack and a handle are arranged on the inner tube, a buckle is arranged on the positioning plate, and the buckle is matched with the rack for use;

the adjusting device comprises a bottom plate, a support and a panel, the support is fixed between the adjacent outer tubes, the bottom plate is fixed on the support, and the panel is installed on the bottom plate through a sliding rail.

2. The adjustable light curtain resistant trolley as claimed in claim 1, wherein a reinforcing beam is provided on the bottom frame, the reinforcing beam is connected to the longitudinal beam, the bottom frame and the reinforcing beam are of a closed structure, and the bottom frame and the longitudinal beam are connected into a whole in a splayed manner.

3. The adjustable light curtain resisting trolley as claimed in claim 2, wherein a guiding slider is installed on the lower end face of the inner tube, and a bushing is installed at the joint of the inner tube and the outer tube, and the bushing limits the inner tube from shaking, thereby increasing stability.

4. The adjustable glare screen cart of claim 1, wherein the upper cross member is connected to the inner tube by an upper mounting bracket and the lower cross member is connected to the outer tube by a lower mounting bracket.

5. The adjustable light curtain resisting cart of claim 4, wherein an outer groove is formed on an outer surface of the outer tube, a connecting plate is arranged in the outer groove, and the lower mounting frame is fixed on the outer tube through the connecting plate.

6. The adjustable light screen trolley of claim 1, wherein the upper cross beam and the lower cross beam are provided with different mounting holes, and hanging plates are fixed on the mounting holes.

7. The adjustable glare screen cart of claim 1, wherein the lower surface of the panel is provided with support feet, the lower ends of the support feet are provided with casters, and a screw is provided between the casters and the support feet.

8. The adjustable glare screen cart of claim 1, wherein casters are mounted to a lower surface of the chassis.

9. The adjustable light curtain resistant cart of claim 1, wherein a connecting rod is disposed between adjacent outer tubes.