CN109668017B

CN109668017B - Projector installation fixing bracket

Info

Publication number: CN109668017B
Application number: CN201910156975.6A
Authority: CN
Inventors: 葛成燕; 张旭; 陈浩
Original assignee: Lu'an Zhongda Information Technology Co ltd
Current assignee: LU'AN ZHONGDA INFORMATION TECHNOLOGY Co.,Ltd.
Priority date: 2019-03-01
Filing date: 2019-03-01
Publication date: 2020-10-09
Anticipated expiration: 2039-03-01
Also published as: CN109668017A

Abstract

The invention belongs to the technical field of projector brackets, and particularly relates to a projector mounting and fixing bracket which comprises a main body bracket and a placing plate; the main body support is of a hollow tubular structure, a moving rod with a rack structure is connected in the main body support in a sliding mode, a sleeve is connected on the main body support in a sliding mode, and two rotating wheels are connected to two sides of the upper portion of the main body support in a symmetrical and rotating mode; the rotating wheels are provided with tooth-shaped structures, each rotating wheel is connected with a first bracket, and the two rotating wheels are meshed with the moving rod; a first push rod is hinged between the upper part of the sleeve and the middle part of the first support; the placing plate is hinged to the upper end of the first support; the lower end of the main body support is hinged with a supporting leg, and a second push rod is hinged between the supporting leg and the sleeve; the lower end of the movable rod is provided with a sucker module; the movable sleeve is used for simultaneously realizing the leveling of the placing plate, the stable placing of the bracket and the reinforced stability of the bracket, and the movable sleeve is simple in structure, convenient to carry and convenient to mount and dismount quickly when used in a temporary meeting place.

Description

Projector installation fixing bracket

Technical Field

The invention belongs to the technical field of projector brackets, and particularly relates to a projector mounting and fixing bracket.

Background

A projector is an optical instrument that magnifies the contour of a workpiece using an optical element and projects it onto a screen. It can be used for profile measurement by transmitted light, and also can be used for measuring the surface shape of a blind hole and observing the surface of a part by reflected light. The projector is particularly suitable for measuring complex contours and small workpieces, such as clock parts, stamping parts, electronic elements, templates, dies, threads, gears, forming cutters and the like, and has high inspection efficiency and convenient use; the method is widely applied to measuring rooms and production workshops, and is particularly suitable for the industries of instruments and meters and clocks.

A projector, also called a projector, is a device that can project images or videos onto a curtain, and can be connected with a computer, a VCD, a DVD, a BD, a game machine, a DV, etc. through different interfaces to play corresponding video signals.

Projectors are widely used in homes, offices, schools and entertainment places at present, and have different types such as CRT, LCD and DLP according to different working modes.

Along with projecting apparatus application range is wider and wider, for fixed projecting apparatus, mobilizable projecting apparatus more receives market favor, however because environment and mobile projector equipment reason, get the unable accurate information projection to the curtain of projection, often need the projecting apparatus bracket when using mobile projector to do the meeting speech, and current bracket places stability relatively poor moreover, the structure is complicated, carry inconvenience, quick installation and dismantlement when being not convenient for use in the interim meeting place, thereby lead to influencing the convenience of interim use.

Disclosure of Invention

In order to make up for the defects of the prior art, the invention provides a projector mounting and fixing bracket which is mainly used for solving the problems that the existing projector bracket is complex in structure, inconvenient to carry, incapable of being mounted quickly and incapable of ensuring stability.

The technical scheme adopted by the invention for solving the technical problems is as follows: the invention relates to a projector mounting and fixing bracket which comprises a main body bracket and a placing plate; the main body support is of a hollow tubular structure, a moving rod with a rack structure is connected in the main body support in a sliding mode, a sleeve is connected on the main body support in a sliding mode, and two rotating wheels are symmetrically and rotatably connected to two sides of the upper portion of the main body support; the two rotating wheels are meshed with the rack structure of the moving rod through the tooth-shaped structures; a first push rod is hinged between the upper part of the sleeve and the middle part of the first support; the two placing plates are hinged to the upper end of the first support; the lower end of the main body support is hinged with at least three uniformly distributed support legs, and a second push rod is hinged between each support leg and the sleeve; the lower end of the movable rod is provided with a sucker module;

when the projector support works, the support is brought to a meeting place using and installing position, an installer holds the sleeve to lift the sleeve upwards, the sleeve moves upwards to push the first support to rotate through the first push rod, and therefore after the placing plates are lifted upwards, the placing plates are manually rotated to the horizontal position, the two placing plates are mutually contacted and positioned on the same horizontal line, the stability of the projector during placing is guaranteed, and the projection effect of the projector is improved; meanwhile, as the sleeve moves upwards, the sleeve drives the supporting legs to be opened outwards by pulling the second push rod, and the supporting legs are placed on the ground of a meeting place, so that the bracket is quickly and conveniently erected, a supporting function is realized on a main body support, and the use stability of the bracket is improved; meanwhile, with the rotation of the first support, the tooth-shaped structure on the rotating wheel is meshed with the rack structure on the moving rod, so that the moving rod slides downwards, the moving rod slides downwards to push out the sucker module, the bracket is placed on the ground of a meeting place, and the sucker module is adsorbed on the ground, so that the placing stability of the bracket is improved, the situation that the projector shakes due to external factors in the using process is avoided, and the putting effect of the projector is improved; the horizontal placing of the placing plate, the stable placing of the bracket and the stability enhancement of the bracket are realized simultaneously through the movable sleeve, the structure is simple, the carrying is convenient, and the rapid installation and the disassembly during the use in a temporary meeting place are convenient.

Preferably, a plurality of grooves which are uniformly distributed are arranged at the bottom of the supporting leg; the groove is internally connected with an anti-skid rubber block in a sliding way through a first spring, and the lower part of the groove inclines towards the direction far away from the main body bracket; when the anti-skidding support leg is in work, if the support leg of the main body support is not completely opened, the support leg is placed on the ground, and the groove on the bottom of the support leg inclines towards the direction far away from the main body support, so that when the support leg is continuously opened outwards, the anti-skidding rubber block in the groove is pushed into the groove, and the support leg is convenient to open; meanwhile, when the supporting legs are completely opened, the sucker modules are also in close contact with the ground, so that the mounting stability of the bracket is improved, and the projection effect of the projector is further improved; when the landing leg receives external force to make the landing leg inwards shrink, the anti-skidding block rubber in the recess of landing leg bottom is outwards pulled out because of the friction, has increased the area of contact of anti-skidding block rubber and installation face to improved the anti-skidding effect of bracket, and then improved the stability when the bracket uses, further improved the input effect of projecting apparatus.

Preferably, the sucker module comprises a first sucker and a second sucker; the first sucker is fixed at the lower end of the movable rod; the second sucker is connected to the center of the lower end of the first sucker through a second spring; when the support leg is completely unfolded during working, in the process of placing the bracket on the ground, the second sucker is in contact with the ground before the support leg, and the impact force applied when the support leg is in contact with the ground is buffered through the second spring, so that the stability of the support leg during placement is improved; simultaneously, along with the landing leg is put the back, a sucking disc also with ground contact to the air between extrusion No. two springs and a sucking disc and No. two sucking discs, thereby improve the adsorption affinity of sucking disc module to ground, further improve the stability that the bracket was placed, avoid the projecting apparatus use to rock because of external factors produces, further improved the input effect of projecting apparatus.

Preferably, a through hole is formed in the middle of the first sucker; a spindle-shaped air bag is arranged in the second spring; the upper part of the spindle-shaped air bag is arranged in the through hole, the spindle-shaped air bag is used for blocking the through hole, and the upper part of the spindle-shaped air bag is provided with an air outlet; during operation, when the first air bag extrudes the second spring, the extrusion air bag enters the through hole, gas of the air bag is discharged from the through hole, the size of the air bag is reduced, negative pressure is generated in the first sucker and the second sucker, the vacuum degree between the first sucker and the second sucker is improved, and the adsorption force of the suckers on the ground is improved.

Preferably, an elastic metal framework is arranged in the spindle-shaped air bag; the during operation has guaranteed through elastic metal skeleton that the gasbag plugged up the effect of through-hole, has improved the leakproofness of a sucking disc and No. two sucking disc inner spaces, has guaranteed the vacuum between a sucking disc and No. two sucking discs, further improves the suction force of sucking disc to ground, and then improves the stability that the bracket was placed, avoids the projecting apparatus use to rock because of external factors produces.

Preferably, a cylinder is arranged between the upper part of the first bracket and the placing plate; the air cylinder is communicated with the through hole of the air bag through an air pipe; during operation, in the gas in the gasbag passed through the trachea and gets into the cylinder, promoted through the cylinder and place the board and rotate to horizontal position to because two cylinders make through promoting and place accurate coincidence of board, in close contact with, guaranteed the stability when the projecting apparatus is placed, thereby improved the effect that the projecting apparatus was put in.

The invention has the following beneficial effects:

1. according to the invention, the sleeve is held by an installer to be lifted upwards, the sleeve moves upwards to push the first support to rotate through the first push rod, so that after the placing plate is lifted upwards, the placing plate is manually rotated to the horizontal position, the two placing plates are mutually contacted and positioned on the same horizontal line, the stability of the projector during placing is ensured, and the projection effect of the projector is improved.

2. According to the invention, the sleeve pulls the second push rod to drive the supporting legs to be opened outwards, and the supporting legs are placed on the ground of a meeting place, so that the bracket is quickly and conveniently erected, a supporting function is realized on a main body support, and the use stability of the bracket is improved; simultaneously, along with the rotation of a support, the rack structure on the profile of tooth structure meshing carriage release lever on the runner makes the carriage release downwards, and the carriage release sucker module is released to the carriage lapse, places the subaerial of meeting place again, adsorbs subaerial through sucker module, has improved the stability that the bracket was placed, avoids the projecting apparatus use to rock because of external factors produces, and then has improved the input effect of projecting apparatus.

3. The movable sleeve is used for simultaneously realizing the leveling of the placing plate, the stable placing of the bracket and the reinforced stability of the bracket, and the movable sleeve is simple in structure, convenient to carry and convenient to mount and dismount quickly when used in a temporary meeting place.

Drawings

The invention will be further explained with reference to the drawings.

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

FIG. 2 is an enlarged view of a portion of FIG. 1 at A;

FIG. 3 is an enlarged view of a portion of FIG. 1 at B;

FIG. 4 is an enlarged view of a portion of FIG. 2 at C;

in the figure: the anti-skid rubber support comprises a main body support 1, a placing plate 2, a moving rod 3, a sleeve 4, a rotating wheel 5, a first support 6, a first push rod 7, a supporting leg 8, a groove 81, an anti-skid rubber block 82, a second push rod 9, a sucker module 10, a first sucker 101, a second sucker 102, a second spring 103, a through hole 104, an air bag 105, an elastic metal framework 106 and an air cylinder 11.

Detailed Description

A projector mounting and fixing bracket according to an embodiment of the present invention will be described below with reference to fig. 1 to 4.

As shown in fig. 1, the projector mounting and fixing bracket according to the present invention includes a main body frame 1 and a placing plate 2; the main body support 1 is of a hollow tubular structure, a moving rod 3 with a rack structure is connected in the main body support 1 in a sliding mode, a sleeve 4 is connected on the main body support 1 in a sliding mode, and two rotating wheels 5 are symmetrically and rotatably connected to two sides of the upper portion of the main body support 1; the rotating wheels 5 are provided with tooth-shaped structures, each rotating wheel 5 is connected with a first bracket 6, and the two rotating wheels 5 are meshed with the rack structure of the movable rod 3 through the tooth-shaped structures; a first push rod 7 is hinged between the upper part of the sleeve 4 and the middle part of the first support 6; the two placing plates 2 are hinged to the upper end of the first support 6; the lower end of the main body support 1 is hinged with at least three uniformly distributed supporting legs 8, and a second push rod 9 is hinged between each supporting leg 8 and the sleeve 4; the lower end of the moving rod 3 is provided with a sucker module 10;

when the projector support device works, the support frame is brought to a meeting place using and installing position, an installer holds the sleeve 4 to lift upwards, the sleeve 4 moves upwards to push the first support 6 to rotate through the first push rod 7, and then the placing plate 2 is manually rotated to a horizontal position after being lifted upwards, so that the two placing plates 2 are mutually contacted and positioned on the same horizontal line, the stability of the projector during placing is ensured, and the projection effect of the projector is improved; meanwhile, with the upward movement of the sleeve 4, the sleeve 4 drives the supporting legs 8 to be opened outwards by pulling the second push rod 9, and the supporting legs 8 are placed on the ground of a meeting place, so that the bracket is quickly and conveniently erected, the main body support 1 is supported, and the use stability of the bracket is improved; meanwhile, along with the rotation of the first support 6, the tooth-shaped structure on the rotating wheel 5 is meshed with the rack structure on the moving rod 3, so that the moving rod 3 slides downwards, the moving rod 3 slides downwards to push out the sucker module 10, then the bracket is placed on the ground of a meeting place, and the sucker module 10 is adsorbed on the ground, thereby improving the placing stability of the bracket, avoiding the shaking of the projector due to external factors in the using process and further improving the putting effect of the projector; the level of placing board 2, the stability of bracket are placed, the stability of bracket is strengthened simultaneously through removing sleeve 4, simple structure, convenient to carry, quick installation and the dismantlement when being convenient for use in the temporary meeting place.

As shown in fig. 3, a plurality of grooves 81 are uniformly distributed on the bottom of the supporting leg 8; an anti-skid rubber block 82 is connected in the groove 81 in a sliding manner through a first spring, and the lower part of the groove 81 inclines towards the direction far away from the main body bracket 1; when the anti-skidding support leg structure works, if the support leg 8 of the main body support 1 is not completely opened and is placed on the ground, the groove 81 on the bottom of the support leg 8 inclines towards the direction far away from the main body support 1, so that when the support leg 8 is continuously opened outwards, the anti-skidding rubber block 82 in the groove 81 is pushed into the groove 81, and the support leg 8 is convenient to open; meanwhile, when the supporting legs 8 are completely opened, the sucker modules 10 are also in close contact with the ground, so that the mounting stability of the bracket is improved, and the projection effect of the projector is improved; when landing leg 8 receives external force to make landing leg 8 inwards shrink, anti-skidding block rubber 82 in the recess 81 in landing leg 8 bottom has increased the area of contact of anti-skidding block rubber 82 with the installation face because of the outside pulled out of friction to the anti-skidding effect of bracket has been improved, and then has improved the stability when the bracket uses, has further improved the input effect of projecting apparatus.

As shown in fig. 1 and 2, the suction cup module 10 includes a first suction cup 101 and a second suction cup 102; the first sucker 101 is fixed at the lower end of the movable rod 3; the second sucker 102 is connected to the center of the lower end of the first sucker 101 through a second spring 103; when the support leg 8 is completely unfolded during working, in the process of placing the bracket on the ground, the second sucker 102 is in contact with the ground before the support leg 8, and the impact force applied when the support leg 8 is in contact with the ground is buffered through the second spring 103, so that the stability of the support leg 8 during placement is improved; simultaneously, along with the landing leg 8 back of putting, a sucking disc 101 also with ground contact to the air between second spring 103 and a sucking disc 101 and No. two sucking discs 102 of extrusion, thereby improve the adsorption affinity of sucking disc module 10 to ground, further improve the stability that the bracket was placed, avoid the projecting apparatus use to rock because of external factors produces, further improved the input effect of projecting apparatus.

As shown in fig. 2 and 4, a through hole 104 is formed in the middle of the first suction cup 101; a spindle-shaped air bag 105 is arranged in the second spring 103; the upper part of the fusiform air bag 105 is arranged in the through hole 104, the fusiform air bag 105 is used for blocking the through hole 104, and the upper part of the fusiform air bag 105 is provided with an air outlet; when the suction cup works, the first air bag 105 extrudes the second spring 103, meanwhile, the air bag 105 is extruded to enter the through hole 104, air of the air bag 105 is discharged from the through hole 104, the size of the air bag 105 is reduced, negative pressure is generated in the first suction cup 101 and the second suction cup 102, the vacuum degree between the first suction cup 101 and the second suction cup 102 is improved, and the suction force of the suction cups to the ground is improved.

As shown in fig. 4, an elastic metal skeleton 106 is provided in the spindle-shaped balloon 105; during operation, guaranteed the effect that gasbag 105 plugged up through-hole 104 through elastic metal skeleton 106, improved the leakproofness of a sucking disc 101 and No. two sucking discs 102 inner spaces, guaranteed the vacuum between a sucking disc 101 and No. two sucking discs 102, further improved the adsorption affinity of sucking disc to ground, and then improved the stability that the bracket was placed, avoided the projecting apparatus use to rock because of external factors produces.

As shown in fig. 1, a cylinder 11 is arranged between the upper part of the first bracket 6 and the placing plate 2; the cylinder 11 is communicated with the through hole 104 of the air bag 105 through an air pipe; during operation, the gas in the gasbag 105 passes through in the trachea gets into cylinder 11, promotes through cylinder 11 and places board 2 and rotate to horizontal position to because two cylinders 11 make through promoting and place accurate coincidence of board 2, in close contact with, guaranteed the stability when the projecting apparatus is placed, thereby improved the effect that the projecting apparatus put in.

The specific working mode is as follows:

In the description of the present invention, it is to be understood that the terms "center", "front", "rear", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be taken as limiting the scope of the present invention.

While the invention has been described with reference to specific embodiments, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted without departing from the scope of the invention. In addition, many modifications may be made to adapt a particular situation or material to the teachings of the invention without departing from its scope. Therefore, it is intended that the invention not be limited to the particular embodiment disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.

Claims

1. The utility model provides a projecting apparatus installation fixed bolster which characterized in that: comprises a main body bracket (1) and a placing plate (2); the main body support (1) is of a hollow tubular structure, a moving rod (3) with a rack structure is connected in the main body support (1) in a sliding mode, a sleeve (4) is connected on the main body support (1) in a sliding mode, and two rotating wheels (5) are symmetrically and rotatably connected to two sides of the upper portion of the main body support (1); the rotating wheels (5) are provided with tooth-shaped structures, each rotating wheel (5) is connected with a first support (6), and the two rotating wheels (5) are meshed with the rack structure of the movable rod (3) through the tooth-shaped structures; a first push rod (7) is hinged between the upper part of the sleeve (4) and the middle part of the first support (6); the two placing plates (2) are hinged to the upper end of the first support (6); the lower end of the main body support (1) is hinged with at least three evenly distributed supporting legs (8), and a second support is hinged between each supporting leg (8) and the sleeve (4); and a sucker module (10) is arranged at the lower end of the movable rod (3).

2. A projector mounting fixture bracket according to claim 1, wherein: a plurality of grooves (81) which are uniformly distributed are obliquely arranged at the bottom of the supporting leg (8); the anti-skidding rubber blocks (82) are connected in the grooves (81) in a sliding mode through springs, and the lower portions of the grooves (81) incline in the direction away from the main body support (1).

3. A projector mounting fixture bracket according to claim 1, wherein: the sucker module (10) comprises a first sucker (101) and a second sucker (102); the first sucker (101) is fixed at the lower end of the movable rod (3); the second sucker (102) is connected to the center of the lower end of the first sucker (101) through a second spring (103).

4. A projector mounting fixture bracket according to claim 3, wherein: the middle part of the first sucker (101) is provided with a through hole (104); a spindle-shaped air bag (105) is arranged in the second spring (103); the upper part of the spindle-shaped air bag (105) is arranged in the through hole (104), the spindle-shaped air bag (105) is used for blocking the through hole (104), and the upper part of the spindle-shaped air bag (105) is provided with an air outlet.

5. A projector mounting fixture bracket according to claim 4, wherein: an elastic metal framework (106) is arranged in the air bag (105).

6. A projector mounting fixture bracket according to claim 1, wherein: an air cylinder (11) is arranged between the upper part of the first bracket (6) and the placing plate (2); the air cylinder (11) is communicated with the through hole (104) of the air bag (105) through an air pipe.