CN218782509U

CN218782509U - Movable projection wall

Info

Publication number: CN218782509U
Application number: CN202222453796.9U
Authority: CN
Inventors: 薛丽丽
Original assignee: Suzhou Huaheng Exhibition Design And Construction Co ltd
Current assignee: Suzhou Huaheng Exhibition Design And Construction Co ltd
Priority date: 2022-09-16
Filing date: 2022-09-16
Publication date: 2023-03-31
Anticipated expiration: 2032-09-16

Abstract

The utility model discloses a portable projection wall belongs to projection wall technical field, the backup pad of base upper end both sides is located including base and symmetry, be equipped with the projection board between two backup pads, the projection board is respectively through bolt and two backup pad fixed connection, base lower extreme both sides are equipped with the universal wheel respectively, base lower extreme middle part is equipped with auxiliary stay subassembly, rotate through outside instrument drive turning block, make external screw rod rotate, external screw rod rotates and drives interior thread section of thick bamboo through threaded connection and rotates, realize the effect that the connecting plate rotates and expand, when the lug deflects and aligns with vertical spout, external screw rod rotates and can drive interior thread section of thick bamboo downstream through threaded connection, realize the effect of connecting plate downstream, make horizontal antislip strip and vertical antislip strip all with the ground butt, realize fixed effect, and then the connecting plate has the effect of side support, avoid the projection board not have the side support, the problem that the projection board caused the side to fall easily is solved.

Description

Movable projection wall

Technical Field

The utility model relates to a projection wall technical field especially relates to a portable projection wall.

Background

The projector generally projects an image on a projection wall, the projection wall is directly fixed on a wall surface, the projection position is limited, most of projection walls are provided with bases and projection plates with universal wheels, the effect of changing the projection position is achieved, the universal wheels are locked to achieve the positioning effect, after the projection walls are moved to a specified position, the projection plates are vertically placed, the two sides of the bases are not supported, wind power or collision is caused, and the projection plates are prone to falling.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: in order to solve the technical problem, a movable projection wall is provided.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a movable projection wall comprises a base and support plates symmetrically arranged on two sides of the upper end of the base, wherein a projection plate is arranged between the two support plates and is fixedly connected with the two support plates through bolts respectively, universal wheels are arranged on two sides of the lower end of the base respectively, and an auxiliary support assembly is arranged in the middle of the lower end of the base;

the auxiliary supporting assembly comprises a connecting plate, a mounting groove and an embedded groove, the mounting groove is formed in the middle of the lower end of the base, the embedded groove is formed in the middle of the upper end of the base, an external threaded rod is arranged on the inner top surface of the mounting groove in a rotating mode, a rotating block is arranged on the inner bottom surface of the embedded groove in a rotating mode, an inner hexagonal hole is formed in the middle of the upper end of the rotating block, the upper end face of the rotating block is located inside the embedded groove, the lower end of the rotating block penetrates through the mounting groove and is connected with the upper end of the external threaded rod, an inner threaded cylinder matched with the external threaded rod is arranged at the upper end of the outer side of the inner threaded cylinder, two protruding blocks are symmetrically arranged at the upper end of the inner wall of the mounting groove, two vertical sliding grooves are symmetrically arranged on the inner wall of the mounting groove, the upper ends of the two vertical sliding grooves are respectively communicated with one end of the arc sliding grooves, three auxiliary blocks are evenly distributed on the lower end of the connecting plate and are linearly distributed on the middle portion, auxiliary blocks, two auxiliary plates are respectively connected with the auxiliary blocks, a plurality of transverse anti-slip strips are evenly distributed at the lower ends of the auxiliary blocks, and are evenly distributed with a plurality of the vertical anti-slip strips.

As a further description of the above technical solution:

and the lower end surfaces of the vertical anti-slip strips and the horizontal anti-slip strips are positioned on the same horizontal plane.

As a further description of the above technical solution:

the length of the two vertical sliding grooves is larger than the vertical distance from the lower end face of the universal wheel to the lower end face of the vertical anti-slip strip.

As a further description of the above technical solution:

the width of the connecting plate is smaller than that of the base.

To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:

the utility model discloses in, rotate through outside instrument drive turning block, make the external screw thread pole rotate, the external screw thread pole rotates and drives interior thread section of thick bamboo through threaded connection and rotates, realize that the connecting plate rotates the effect of expansion, when the lug deflects and aligns with vertical spout, the external screw thread pole rotates and can drive interior thread section of thick bamboo downstream through threaded connection, realize the effect of connecting plate downstream, make horizontal antislip strip and vertical antislip strip all with the ground butt, realize fixed effect, and then the connecting plate has the effect that the side supported, avoid the projection board not have the side support, the problem that the projection board caused the side to fall easily is solved.

Drawings

Fig. 1 shows an external view of a projection wall provided according to an embodiment of the present invention;

fig. 2 shows a schematic view of a projection wall structure provided according to an embodiment of the present invention;

fig. 3 is a schematic side sectional view illustrating a partially unfolded structure of a projection wall according to an embodiment of the present invention;

fig. 4 shows a schematic view of a projection wall partial structure in a top-down section, which is provided according to an embodiment of the present invention.

Illustration of the drawings: 1. a base; 2. a support plate; 3. a projection plate; 4. a universal wheel; 5. a connecting plate; 6. an externally threaded rod; 7. rotating the block; 8. an internal threaded barrel; 9. an auxiliary block; 10. an auxiliary plate; 11. a transverse anti-slip strip; 12. a vertical antislip strip; 13. and (6) a bump.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution:

a movable projection wall comprises a base 1 and support plates 2 symmetrically arranged on two sides of the upper end of the base 1, a projection plate 3 is arranged between the two support plates 2, the projection plate 3 is fixedly connected with the two support plates 2 through bolts respectively, universal wheels 4 are arranged on two sides of the lower end of the base 1 respectively, and an auxiliary support assembly is arranged in the middle of the lower end of the base 1;

the auxiliary supporting component comprises a connecting plate 5, a mounting groove arranged in the middle of the lower end of the base 1 and an embedded groove arranged in the middle of the upper end of the base 1, an external threaded rod 6 is rotatably arranged on the inner top surface of the mounting groove, a rotating block 7 is rotatably arranged on the inner bottom surface of the embedded groove, a hexagonal hole is arranged in the middle of the upper end of the rotating block 7, the upper end surface of the rotating block is positioned in the embedded groove, the lower end of the rotating block 7 penetrates through the mounting groove and is connected with the upper end of the external threaded rod 6, an internal threaded cylinder 8 matched with the external threaded rod 6 is arranged at the upper end of the connecting plate 5, the width of the connecting plate 5 is smaller than that of the base 1, so that the connecting plate 5 can be hidden below the base 1 to avoid the protrusion of the connecting plate 5, the collision of the connecting plate 5 is easily caused in the moving process of the base 1, two lugs 13 are symmetrically arranged at the upper end of the outer side of the internal threaded cylinder 8, and two arc-shaped sliding grooves respectively matched with the lugs 13 are symmetrically arranged on the inner wall of the mounting groove, two vertical sliding grooves are symmetrically arranged on the inner wall of the mounting groove, the upper ends of the two vertical sliding grooves are respectively communicated with one end of an arc sliding groove, the lower end of a connecting plate 5 is uniformly provided with three auxiliary blocks 9, the three auxiliary blocks 9 are linearly distributed, two sides of a middle auxiliary block 9 are respectively provided with an auxiliary plate 10, the two auxiliary plates 10 are respectively connected with the auxiliary blocks 9, the lower ends of the two auxiliary plates 10 are uniformly provided with a plurality of transverse anti-skid strips 11, the lower ends of the three auxiliary blocks 9 are uniformly provided with a plurality of vertical anti-skid strips 12, the length of the two vertical sliding grooves is larger than the vertical distance from the lower end surface of the universal wheel 4 to the lower end surface of the vertical anti-skid strips 12, the downward movement displacement is ensured to be enough to ensure that the vertical anti-skid strips 12 and the transverse anti-skid strips 11 are abutted to the ground, the lower end surfaces of the plurality of vertical anti-skid strips 12 and the transverse anti-skid strips 11 are all positioned on the same horizontal plane, and the ground is ensured that the plurality of vertical anti-skid strips 12 and transverse anti-skid strips 11 can be abutted to the ground simultaneously, the effect of auxiliary support is achieved.

The working principle is as follows: during the use, will remove base 1 and make projection board 3 put at the assigned position, then lock universal wheel 4, then the staff passes through 7 anticlockwise rotations of outside instrument drive turning block, turning block 7 rotates and drives outer screw rod 6 and rotates, outer screw rod 6 rotates and drives interior screw cylinder 8 through threaded connection and rotates, and then drive lug 13 and slide in the arc recess, behind lug 13 and arc spout one end butt, interior screw cylinder 8 just deflects 90 this moment, make connecting plate 5 deflect and expand, connecting plate 5 is perpendicular staggered state with base 1 promptly, then continue to rotate outer screw rod 6, because lug 13 and arc spout one end butt, unable motion, therefore the rotation of interior screw cylinder 8 now, can make lug 13 slide into in the vertical spout, outer screw rod 6 rotates and can make interior screw cylinder 8 downstream through threaded connection, interior screw cylinder 8 downstream drives connecting plate 5 downstream, and then make a plurality of vertical antislip strips 12 and horizontal antislip strip 11 all with ground, realize the effect of supplementary support.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A movable projection wall comprises a base (1) and support plates (2) symmetrically arranged on two sides of the upper end of the base (1), a projection plate (3) is arranged between the two support plates (2), the projection plate (3) is fixedly connected with the two support plates (2) through bolts respectively, universal wheels (4) are arranged on two sides of the lower end of the base (1) respectively, and the movable projection wall is characterized in that an auxiliary support component is arranged in the middle of the lower end of the base (1);

the auxiliary supporting component comprises a connecting plate (5), an installation groove arranged in the middle of the lower end of the base (1) and an embedded groove arranged in the middle of the upper end of the base (1), the inner top surface of the mounting groove is rotatably provided with an external thread rod (6), the inner bottom surface of the embedded groove is rotatably provided with a rotating block (7), the middle part of the upper end of the rotating block (7) is provided with an inner hexagonal hole, the upper end surface of the rotating block is positioned in the embedded groove, the lower end of the rotating block (7) penetrates into the mounting groove and is connected with the upper end of the external thread rod (6), the upper end of the connecting plate (5) is provided with an internal thread cylinder (8) matched with the external thread rod (6), two lugs (13) are symmetrically arranged at the upper end of the outer side of the internal thread cylinder (8), the inner wall of the mounting groove is symmetrically provided with two arc-shaped sliding grooves which are respectively matched with the convex blocks (13), two vertical sliding grooves are symmetrically arranged on the inner wall of the mounting groove, the upper ends of the two vertical sliding grooves are respectively communicated with one end of an arc-shaped sliding groove, the lower end of the connecting plate (5) is uniformly provided with three auxiliary blocks (9), the three auxiliary blocks (9) are linearly distributed, auxiliary plates (10) are respectively arranged on two sides of each auxiliary block (9) in the middle, the two auxiliary plates (10) are respectively connected with the auxiliary blocks (9), a plurality of transverse anti-slip strips (11) are uniformly arranged at the lower ends of the two auxiliary plates (10), and a plurality of vertical anti-slip strips (12) are uniformly arranged at the lower ends of the three auxiliary blocks (9).

2. A movable projection wall according to claim 1, wherein the vertical anti-slip strips (12) and the transverse anti-slip strips (11) are located on the same horizontal plane.

3. The movable projection wall as claimed in claim 1, wherein the length of the two vertical sliding grooves is greater than the vertical distance from the lower end face of the universal wheel (4) to the lower end face of the vertical antislip strip (12).

4. A movable projection wall according to claim 1, characterized in that the width of the connection plate (5) is smaller than the width of the base (1).