CN219143272U

CN219143272U - Explanation projection cloth fixing device

Info

Publication number: CN219143272U
Application number: CN202223345773.2U
Authority: CN
Inventors: 柴桑妮
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-12-13
Filing date: 2022-12-13
Publication date: 2023-06-06
Anticipated expiration: 2032-12-13

Abstract

The utility model relates to the technical field of projection cloth and discloses an explanation projection cloth fixing device which comprises a mounting backboard, wherein a sliding block is connected inside the mounting backboard in a sliding manner, one side of the sliding block is fixedly connected with a mounting bracket, one side of the mounting bracket is fixedly connected with a fixing plate, one side of the fixing plate is fixedly connected with a motor box, a servo motor is fixedly connected inside the motor box, and the output end of the servo motor is in spline connection with a transmission rod. This explanation projection cloth fixing device, through the setting of clamping assembly, with the one end card of projection cloth on fixed splint, and then after the intercommunication external power source makes the servo motor circular telegram, drive the transfer line and rotate, and then drive the threaded rod and rotate for the slider drives the surface translation of grip block at the threaded rod, with the other end centre gripping of projection cloth, thereby reached the effect of fixing the projection cloth of equidimension not, increased application scope.

Description

Explanation projection cloth fixing device

Technical Field

The utility model relates to the technical field of projection cloth, in particular to a device for fixing an explanation projection cloth.

Background

When law teaching or law propaganda is carried out, explanation is often carried out to personnel in a multimedia room through projection cloth.

The utility model discloses a law explanation projection cloth fixing device in chinese patent application publication CN211653384U, although, this law explanation projection cloth fixing device, the fixed plate can be fixed in the side of wall body through connection piece and fixing bolt, and first T template and second T template can slide left and right sides through the spout, and be convenient for adjust according to the dimension specification of projection cloth, fix through the screwed ring, and first U type groove and second U type groove can be used for placing the projection cloth body, fixes through adjusting the threaded rod, and this equipment simple structure uses conveniently.

However, this legal explanation projection cloth fixture has the following drawbacks: dust which is not easy to be stained on the surface of the projection cloth is removed, the projection cloth is stained with the dust when in use, and the service life of the projection cloth can be reduced when the projection cloth is piled on the projection cloth for a long time.

Disclosure of Invention

(one) solving the technical problems

Aiming at the defects of the prior art, the utility model provides a device for fixing the explanation projection cloth, which solves the problems that dust stained on the surface of the projection cloth is difficult to remove, the projection cloth is stained with dust when in use, and the service life of the projection cloth is reduced when the projection cloth is piled on the projection cloth for a long time.

(II) technical scheme

In order to achieve the above purpose, the utility model is realized by the following technical scheme: the utility model provides a explanation projection cloth fixing device, includes the installation backplate, the inside sliding connection of installation backplate has the sliding block, one side fixedly connected with installing support of sliding block, one side fixedly connected with fixed plate of installing support, one side fixedly connected with motor case of fixed plate, the inside fixedly connected with servo motor of motor case, servo motor's output spline connection has the transfer line, one side fixedly connected with clamping assembly of transfer line, the bottom fixedly connected with dust removal subassembly of installing support.

Optionally, the surface of sliding block has seted up the screw hole, the inside threaded connection of screw hole has the screw bolt, the spacing hole of a plurality of and screw bolt looks adaptation has been seted up to the surface of installation backplate.

Optionally, the clamping assembly includes threaded rod, slider and grip block, one side fixedly connected with threaded rod of transfer line, the surface threaded connection of threaded rod has the slider, one side fixedly connected with grip block of slider.

Optionally, a sliding groove is formed in the surface of the mounting bracket, and the sliding groove is matched with the sliding block.

Optionally, the edge fixedly connected with fixed splint of installing support one end, heat dissipation grid has been seted up to one side of motor case.

Optionally, the dust removal subassembly includes mount and curtain brush, the bottom fixedly connected with mount of installing support, one side fixedly connected with curtain brush of mount.

(III) beneficial effects

The utility model provides an explanation projection cloth fixing device which has the following beneficial effects:

1. this explanation projection cloth fixing device, through the setting of clamping assembly, with the one end card of projection cloth on fixed splint, and then after the intercommunication external power source makes the servo motor circular telegram, drive the transfer line and rotate, and then drive the threaded rod and rotate for the slider drives the surface translation of grip block at the threaded rod, with the other end centre gripping of projection cloth, thereby reached the effect of fixing the projection cloth of equidimension not, increased application scope.

2. This explanation projection cloth fixing device, setting through the dust removal subassembly, the mount is fixed the curtain brush, and when the projection cloth was receive and releases, the curtain brush was brushed down the dust that the projection cloth surface was stained with, avoided the dust to pile up on the projection cloth, influences the use.

3. This explanation projection cloth fixing device, through the setting of sliding block, adjusts the position of sliding block, makes its inside at the installation backplate slide, drives the installing support and goes up and down, adjusts to suitable position back, twists the screw bolt for the high of installing support is fixed, thereby has reached the effect of adjusting the installation height of projection cloth, the personnel's of being convenient for use.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic view of the dust removing assembly of the present utility model;

FIG. 3 is a schematic view of a slider structure according to the present utility model;

FIG. 4 is a schematic view of a clamping assembly according to the present utility model;

fig. 5 is a schematic diagram of the overall split structure of the present utility model.

In the figure: 1. mounting a backboard; 2. a sliding block; 3. a mounting bracket; 4. a fixing plate; 5. a motor case; 6. a servo motor; 7. a transmission rod; 8. a clamping assembly; 801. a threaded rod; 802. a slide block; 803. a clamping plate; 9. a dust removal assembly; 901. a fixing frame; 902. curtain brush; 10. a threaded bolt; 11. and fixing the clamping plate.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. 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 to 5, the present utility model provides a technical solution: the utility model provides a projector cloth fixing device, including installation backplate 1, the inside sliding connection of installation backplate 1 has slider 2, through the setting of slider 2, adjust slider 2's position, make it slide in the inside of installation backplate 1, drive installing support 3 and lift, adjust to suitable position back, twist the screw bolt 10, make the height of installing support 3 fixed, thereby reached the effect of adjusting the installation height of projector cloth, the personnel's of being convenient for use, one side fixedly connected with installing support 3 of slider 2, one side fixedly connected with fixed plate 4 of installing support 3, one side fixedly connected with motor case 5 of fixed plate 4, the inside fixedly connected with servo motor 6 of motor case 5, servo motor 6's output spline connection has transfer line 7, one side of the transmission rod 7 is fixedly connected with the clamping assembly 8, one end of the projection cloth is clamped on the fixed clamping plate 11 through the arrangement of the clamping assembly 8, and then an external power supply is communicated, so that after the servo motor 6 is electrified, the transmission rod 7 is driven to rotate, and then the threaded rod 801 is driven to rotate, the sliding block 802 drives the clamping plate 803 to translate on the surface of the threaded rod 801, the other end of the projection cloth is clamped, the effect of fixing the projection cloth with different sizes is achieved, the application range is enlarged, the dust removing assembly 9 is fixedly connected to the bottom of the mounting bracket 3, the curtain brush 902 is fixed through the arrangement of the dust removing assembly 9, and when the projection cloth is folded and unfolded, the curtain brush 902 brushes dust on the surface of the projection cloth, so that dust is prevented from accumulating on the projection cloth, and the use is affected;

the surface of the sliding block 2 is provided with a threaded hole, the internal thread of the threaded hole is connected with a threaded bolt 10, the surface of the installation backboard 1 is provided with a plurality of limit holes matched with the threaded bolt 10, the position of the sliding block 2 is adjusted through the arrangement of the sliding block 2, so that the sliding block slides in the installation backboard 1, the installation bracket 3 is driven to lift, and after the installation bracket 3 is adjusted to a proper position, the threaded bolt 10 is screwed, so that the height of the installation bracket 3 is fixed, the effect of adjusting the installation height of projection cloth is achieved, and the use of personnel is facilitated;

the clamping assembly 8 comprises a threaded rod 801, a sliding block 802 and a clamping plate 803, wherein the threaded rod 801 is fixedly connected to one side of the transmission rod 7, the sliding block 802 is fixedly connected to the surface of the threaded rod 801 in a threaded manner, the clamping plate 803 is fixedly connected to one side of the sliding block 802, one end of projection cloth is clamped on the fixed clamping plate 11 through the arrangement of the clamping assembly 8, and then an external power supply is communicated, so that after the servo motor 6 is electrified, the transmission rod 7 is driven to rotate, and then the threaded rod 801 is driven to rotate, the sliding block 802 drives the clamping plate 803 to translate on the surface of the threaded rod 801, the other end of the projection cloth is clamped, the effect of fixing the projection cloth with different sizes is achieved, and the application range is enlarged;

a sliding groove is formed in the surface of the mounting bracket 3, the sliding groove is matched with the sliding block 802, and the sliding block 802 slides in the sliding groove through the arrangement of the sliding groove;

the edge of one end of the mounting bracket 3 is fixedly connected with a fixed clamping plate 11, one side of the motor box 5 is provided with a heat dissipation grating, and the heat dissipation grating plays a role in heat dissipation;

the dust removal subassembly 9 includes mount 901 and curtain brush 902, and the bottom fixedly connected with mount 901 of installing support 3, one side fixedly connected with curtain brush 902 of mount 901, through the setting of dust removal subassembly 9, mount 901 is fixed curtain brush 902, and when the projection cloth was receive and releases, curtain brush 902 was brushed down the dust that the projection cloth surface was stained with, avoided the dust to pile up on the projection cloth, influences the use.

In the utility model, the working steps of the device are as follows:

1. the position of the sliding block 2 is adjusted to enable the sliding block to slide in the mounting backboard 1 to drive the mounting bracket 3 to lift, after the sliding block is adjusted to a proper position, the threaded bolt 10 is screwed, so that the height of the mounting bracket 3 is fixed, and the mounting height of the projection cloth is adjusted;

2. one end of the projection cloth is clamped on the fixed clamping plate 11, and then the external power supply is communicated, so that after the servo motor 6 is electrified, the transmission rod 7 is driven to rotate, the threaded rod 801 is driven to rotate, the sliding block 802 drives the clamping plate 803 to translate on the surface of the threaded rod 801, the other end of the projection cloth is clamped, and the projection cloths with different sizes are fixed;

3. the fixing frame 901 fixes the curtain brush 902, and when the projection cloth is retracted, the curtain brush 902 brushes down dust stained on the surface of the projection cloth.

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

1. The utility model provides a explanation projection cloth fixing device, includes installation backplate (1), its characterized in that: the utility model discloses a dust removal device for a motor vehicle, including installation backplate (1), fixed plate (3), motor case (5), servo motor (6) are connected with in inside sliding connection of installation backplate (1), one side fixedly connected with installing support (3) of sliding block (2), one side fixedly connected with fixed plate (4) of installing support (3), one side fixedly connected with motor case (5) of fixed plate (4), the output spline connection of servo motor (6) has transfer line (7), one side fixedly connected with clamping assembly (8) of transfer line (7), the bottom fixedly connected with dust removal assembly (9) of installing support (3).

2. The teaching projection cloth fixing device according to claim 1, characterized in that: threaded holes are formed in the surface of the sliding block (2), threaded bolts (10) are connected with the inner threads of the threaded holes, and a plurality of limiting holes matched with the threaded bolts (10) are formed in the surface of the mounting backboard (1).

3. The teaching projection cloth fixing device according to claim 1, characterized in that: clamping assembly (8) are including threaded rod (801), slider (802) and grip block (803), one side fixedly connected with threaded rod (801) of transfer line (7), the surface threaded connection of threaded rod (801) has slider (802), one side fixedly connected with grip block (803) of slider (802).

4. The teaching projection cloth fixing device according to claim 1, characterized in that: a sliding groove is formed in the surface of the mounting support (3), and the sliding groove is matched with the sliding block (802).

5. The teaching projection cloth fixing device according to claim 1, characterized in that: the edge of one end of the mounting bracket (3) is fixedly connected with a fixed clamping plate (11), and a heat radiation grille is arranged on one side of the motor box (5).

6. The teaching projection cloth fixing device according to claim 1, characterized in that: the dust removal assembly (9) comprises a fixing frame (901) and a curtain brush (902), wherein the fixing frame (901) is fixedly connected to the bottom of the mounting bracket (3), and the curtain brush (902) is fixedly connected to one side of the fixing frame (901).