CN213042108U

CN213042108U - Sun-shading device for projection screen

Info

Publication number: CN213042108U
Application number: CN202021827416.8U
Authority: CN
Inventors: 黎钦; 谢应明
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-08-27
Filing date: 2020-08-27
Publication date: 2021-04-23
Anticipated expiration: 2030-08-27

Abstract

The utility model discloses a solar protection devices for projection curtain, including casing and connection pad, the below swing joint of casing has the mounting disc, and the below welding of mounting disc has the telescopic link, the connection pad is located the below of telescopic link, and the below swing joint of connection pad has the base, the inside welding of casing has the recess, and the front end of recess is provided with the second bearing, the inside swing joint of second bearing has the bull stick, and the right side of bull stick is provided with the motor, the below welding of motor has the mount pad, the top welding of casing has the fixing base, and the inside of fixing base is provided with the primary shaft, the inside swing joint of primary shaft has the damping rod, and the right side swing joint of damping rod has the lock pole, the left side welding of damping rod has the sunshading board, and the rear end of sunshading board is provided with the pillar. The utility model discloses an adjust the angle of sunshading board to play sheltering from to sunshine, can adjust the height of telescopic link simultaneously, thereby realize different heights.

Description

Sun-shading device for projection screen

Technical Field

The utility model relates to a projection curtain technical field specifically is a solar protection devices for projection curtain.

Background

Projection screens can be generally classified into reflective type and transmissive type; reflective for front projection and transmissive for rear projection; the positive projection screen is divided into a plane screen and an arc screen, the plane screen can be divided into a glass bead screen, a metal screen, an embossing plastic screen, an elastic screen and the like from the texture, and the picture effect of the hard screen is superior to that of the soft screen on the aspect of image quality imaging, so that the image quality watched by people is very clear.

In the process of implementing the present invention, the inventor finds that at least the following problems exist in the prior art and are not solved:

(1) when the projection screen is used, the function of shading sun is not provided, so that people cannot see pictures on the projection screen clearly;

(2) when the projection screen is used, the function of height adjustment is not provided, so that the requirement of a user cannot be met.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a solar protection devices for projection curtain to solve the problem of providing the projection curtain among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a solar protection devices for projection curtain, includes casing and connection pad, the below swing joint of casing has the mounting disc, and the below welding of mounting disc has the telescopic link, the connection pad is located the below of telescopic link, and the below swing joint of connection pad has the base, the inside welding of casing has the recess, and the front end of recess is provided with the second bearing, the inside swing joint of second bearing has the bull stick, and the right side of bull stick is provided with the motor, the below welding of motor has the mount pad, the top welding of casing has the fixing base, and the inside of fixing base is provided with first bearing, the inside swing joint of first bearing has the damping lever, and the right side swing joint of damping lever has the locking lever, the left side welding of damping lever has the sunshading board, and the rear end of sunshading board is provided with the pillar, the right side welding of pillar has the hand.

Preferably, the shell forms a detachable structure with the mounting disc through a bolt, and the shell forms a telescopic structure with the telescopic rod through the mounting disc.

Preferably, the connection mode between the connection disc and the telescopic rod is welding, and the connection disc and the base form a detachable structure through bolts.

Preferably, the inner size of the second bearing is matched with the outer size of the rotating rod, and the rotating rod and the motor are of an integrated structure.

Preferably, the motor forms a rotating structure with the rotating rod through a second bearing, and the lower surface of the motor is tightly attached to the upper surface of the mounting seat.

Preferably, the fixing seat is connected with the first bearing in a welding mode, and the inner size of the first bearing is matched with the outer size of the damping rod.

Preferably, the damping rod is connected with the locking rod in a threaded manner, and the left side surface of the damping rod is tightly attached to the right side surface of the sun shield.

Compared with the prior art, the beneficial effects of the utility model are that: the sun-shading device for the projection screen not only realizes the sun-shading function so as to block the irradiation of sunlight to the projection screen, but also realizes the adjustment of the height of the projection screen;

(1) through the matching arrangement of the motor, the second bearing, the rotating rod, the mounting seat, the connecting disc, the telescopic rod and the base, the motor can stably output the rotating force of the motor to the rotating rod through the second bearing, so that the rotation of the rotating rod is ensured, and meanwhile, the connecting disc is fixed with the base through the bolt, so that the connecting disc can bear the weight of the telescopic rod;

(2) through the matching arrangement of the damping rod, the locking rod, the sun shield, the second bearing, the rotating rod and the motor, a user can rotate the locking rod, so that the locking rod can limit the damping rod, meanwhile, the damping rod can drive the sun shield to rotate, meanwhile, the second bearing can ensure that the rotating rod cannot deviate in the movement process, and the motor can drive the rotating rod to rotate;

(3) through the cooperation setting between casing, mounting disc, telescopic link, fixing base, first bearing and the damping rod, the user can be dismantled the mounting disc from the casing through the bolt to can improve the efficiency of renewal part, the height of telescopic link is adjusted to the user's accessible, thereby realizes the altitude mixture control of casing, and first bearing fixes through welding and fixing base simultaneously, makes the rotation of damping rod can be guaranteed to first bearing.

Drawings

FIG. 1 is a schematic sectional view of the front view of the present invention;

fig. 2 is a schematic view of the structure of the present invention;

fig. 3 is a schematic side view of the structure of the present invention;

fig. 4 is an enlarged schematic view of a portion a in fig. 1 according to the present invention.

In the figure: 1. a housing; 2. mounting a disc; 3. a telescopic rod; 4. a connecting disc; 5. a base; 6. a groove; 7. a second bearing; 8. a rotating rod; 9. a motor; 10. a mounting seat; 11. a fixed seat; 12. a first bearing; 13. a damping lever; 14. a lock lever; 15. a sun visor; 16. a pillar; 17. and (4) carrying out handle.

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 in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides an embodiment: a sun-shading device for a projection screen comprises a shell 1 and a connecting disc 4, wherein a mounting disc 2 is movably connected below the shell 1, a telescopic rod 3 is welded below the mounting disc 2, the connecting disc 4 is positioned below the telescopic rod 3, a base 5 is movably connected below the connecting disc 4, a groove 6 is welded inside the shell 1, a second bearing 7 is arranged at the front end of the groove 6, a rotating rod 8 is movably connected inside the second bearing 7, a motor 9 is arranged on the right side of the rotating rod 8, a mounting seat 10 is welded below the motor 9, a fixed seat 11 is welded above the shell 1, a first bearing 12 is arranged inside the fixed seat 11, a damping rod 13 is movably connected inside the first bearing 12, a locking rod 14 is movably connected on the right side of the damping rod 13, a sun-shading plate 15 is welded on the left side of the damping rod 13, and a support column 16 is movably connected on the right side of the sun-shading, a handle 17 is welded on the right side of the strut 16;

the shell 1 and the mounting disc 2 form a detachable structure through bolts, and the shell 1 and the telescopic rod 3 form a telescopic structure through the mounting disc 2;

the connecting mode between the connecting disc 4 and the telescopic rod 3 is welding, and the connecting disc 4 and the base 5 form a detachable structure through bolts;

specifically, as shown in fig. 1 and 2, when the mechanism is used, firstly, the height of the telescopic rod 3 is adjusted, so that the telescopic rod 3 drives the connecting disc 4 to move up and down, and the connecting disc 4 drives the shell 1 to adjust the up-and-down height;

the inner size of the second bearing 7 is matched with the outer size of the rotating rod 8, and the rotating rod 8 and the motor 9 are of an integrated structure;

the motor 9 and the rotating rod 8 form a rotating structure through the second bearing 7, and the lower surface of the motor 9 is tightly attached to the upper surface of the mounting seat 10;

specifically, as shown in fig. 1 and 3, when the mechanism is used, firstly, the power supply is started, so that the motor 9 drives the rotating rod 8 to rotate through the second bearing 7, and the rotating rod 8 drives the projection screen to move up and down;

the fixed seat 11 and the first bearing 12 are connected by welding, and the inner size of the first bearing 12 is matched with the outer size of the damping rod 13;

the damping rod 13 is connected with the locking rod 14 in a threaded manner, and the left side surface of the damping rod 13 is tightly attached to the right side surface of the sun shield 15;

specifically, as shown in fig. 1 and 4, when the mechanism is used, first, the locking rod 14 is rotated, so that the locking rod 14 is screwed into the inside of the damping rod 13, so that the damping rod 13 drives the sun visor 15 to rotate, which is beneficial to adjusting different angles of the sun visor 15.

The working principle is as follows: the utility model discloses when using, at first the user with the projection curtain device to the bull stick 8 on, with the inside of locking pole 14 screw in damping lever 13, fix connection pad 4 through bolt and base 5, fix mount pad 10 through bolt and casing 1, the user adjusts the height of telescopic link 3 (model: FQ-Y01) according to the demand of oneself for telescopic link 3 drives mounting disc 2 and reciprocates, makes mounting disc 2 drive casing 1 up-and-down motion, thereby reaches the regulation of co-altitude not.

Meanwhile, a user starts a power supply to enable a motor 9 (type: Y80M1-2) to start working, the motor 9 drives a rotating rod 8 to rotate through a second bearing 7 to enable a projection screen to move downwards, after the projection screen descends to a certain position, the user pulls a handle 17 to enable the handle 17 to drive a sun shield 15 to rotate, a damping rod 13 drives the sun shield 15 to rotate through a first bearing 12, the sun shield 15 rotates to a horizontal position, and therefore the sun shield 15 can shield sunlight.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a solar protection devices for projection screen, includes casing (1) and connection pad (4), its characterized in that: the lower part of the shell (1) is movably connected with a mounting disc (2), a telescopic rod (3) is welded below the mounting disc (2), the connecting disc (4) is located below the telescopic rod (3), a base (5) is movably connected below the connecting disc (4), a groove (6) is welded inside the shell (1), a second bearing (7) is arranged at the front end of the groove (6), a rotating rod (8) is movably connected inside the second bearing (7), a motor (9) is arranged on the right side of the rotating rod (8), a mounting seat (10) is welded below the motor (9), a fixing seat (11) is welded above the shell (1), a first bearing (12) is arranged inside the fixing seat (11), a damping rod (13) is movably connected inside the first bearing (12), and a locking rod (14) is movably connected on the right side of the damping rod (13), the left side welding of damping rod (13) has sunshading board (15), and the rear end of sunshading board (15) is provided with pillar (16), the right side welding of pillar (16) has hand (hold) 17.

2. The sunshade device for a projection screen of claim 1, wherein: the shell (1) and the mounting disc (2) form a detachable structure through bolts, and the shell (1) and the telescopic rod (3) form a telescopic structure through the mounting disc (2).

3. The sunshade device for a projection screen of claim 2, wherein: the connecting mode between the connecting disc (4) and the telescopic rod (3) is welding, and the connecting disc (4) and the base (5) form a detachable structure through bolts.

4. The sunshade device for a projection screen of claim 1, wherein: the inner size of the second bearing (7) is matched with the outer size of the rotating rod (8), and the rotating rod (8) and the motor (9) are of an integrated structure.

5. The sunshade device for a projection screen of claim 4, wherein: the motor (9) and the rotating rod (8) form a rotating structure through the second bearing (7), and the lower surface of the motor (9) is tightly attached to the upper surface of the mounting seat (10).

6. The sunshade device for a projection screen of claim 1, wherein: the fixed seat (11) and the first bearing (12) are connected in a welding mode, and the inner size of the first bearing (12) is matched with the outer size of the damping rod (13).

7. The sunshade device for a projection screen of claim 1, wherein: the damping rod (13) is connected with the locking rod (14) in a threaded mode, and the left side surface of the damping rod (13) is tightly attached to the right side surface of the sun shield (15).