CN208719785U - A kind of adjustable fixed hanger of projector installation - Google Patents

Abstract

The utility model discloses a kind of adjustable projectors to install fixed hanger, including hanger, mounting plate is welded with above the hanger, and slideway is offered in the left and right sides of hanger, the hanger can be tightly attached on the side wall of projector by four follow blocks, and the ring set connecting with follow block is pre-tightened using adjusting nut, it is easy to operate, quick, it largely avoided using the cumbersome of bolt device to hole；And the hanger controls lead screw by handwheel and rotates, being slided using sliding shoe drives pallet to move up and down, it is easily manipulated, and positioning accuracy is higher, when handwheel needs to invert simultaneously, neutral gear slot on handwheel sleeve can be contacted with hand wheel rotating and with the pushing block in cone pulley shaft, and it generates thrust and can just continue to rotate, a reversion neutral gear phase is provided for user, it is accidentally inverted when on the one hand avoiding rotating in one direction, on the other hand when needing to invert, user can when neutral gear inverts grip intensity, improve the accuracy of positioning.

Description

A kind of adjustable fixed hanger of projector installation

Technical field

The utility model belongs to porjector technology field, and in particular to a kind of adjustable fixed hanger of projector installation.

Background technique

It is a kind of device that projector can be fixed and is ceiling mounted that projector, which installs fixed hanger, reduces and throws The space occupied of shadow instrument, is generally used for the occasions such as classroom and meeting room, but current projector install fixed hanger still some Perhaps shortcoming.

Current projector is installed fixed hanger and is generally made of telescopic rod, clamping jaw and wall hanging, is that will project during installation Instrument is placed in clamping jaw is bolted from bottom to up, requires to live projector with hand rest in installation and removal, operation is very It is laborious and cumbersome；It is practical although convenient when adjusting and when generally projector carries out height adjustment by electronic mode When manipulation, the bad assurance of residence time is adjusted, causes positioning accuracy lower, if projection cloth is smaller, it is easier that projected picture is inclined Projection cloth is moved, and maintenance cost height, etc. problem need us and solves.

Utility model content

The purpose of this utility model is to provide a kind of adjustable projectors to install fixed hanger, to solve above-mentioned background The current projector proposed in technology is installed fixed hanger and is generally made of telescopic rod, clamping jaw and wall hanging, be during installation by Projector is placed in clamping jaw is bolted from bottom to up, requires to live projector with hand rest in installation and removal, operate It is very laborious and cumbersome；And when generally projector carries out height adjustment by electronic mode, although convenient when adjusting, When practical manipulation, the bad assurance of residence time is adjusted, causes positioning accuracy lower, if projection cloth is smaller, it is easier that shadowgraph Face offset projection cloth, and the problem that maintenance cost is high.

To achieve the above object, the utility model provides the following technical solutions: a kind of adjustable projector installation fixation Hanger, including hanger are welded with mounting plate above the hanger, and offer slideway in the left and right sides of hanger, institute It states the center position inside hanger and is provided with lead screw, driven wheel of differential is welded in the shaft of the lead screw, it is described from mantle The rear engagement of gear is connected with drive bevel gear, and handwheel, the side of the lead screw are provided in the shaft of the drive bevel gear Sliding shoe is slidably connected by ball on wall, the left and right ends of the sliding shoe are welded with guide block, the left and right of the lead screw Both ends are provided with guide rod, and the guide block is slidably connected with guide rod, are provided with pallet in front of the hanger, the pallet with lead Block welding connection, the rear of the tray upper surface are provided with baffle, are provided with cunning at the pallet and slideway opposite position Block, the sliding block are slidably connected with slideway.

Preferably, the upper surface of the pallet is provided with fixing sleeve, and there are four the fixing sleeve settings, and four fixing sleeves The corresponding upper surface for being welded on pallet two-by-two respectively is provided with ring set above the fixing sleeve, and the inside of fixing sleeve is set It is equipped with bolt, adjusting nut is provided with above the ring set, the adjusting nut and bolt screw connection, the side of the ring set Connecting plate is welded on wall, the end of the connecting plate is rotatably connected to follow block by rotational pin.

Preferably, it being welded with spool above the hanger front surface, the spool is internally provided with wrapping post, And the right end of spool is rotatably connected to sealing cover by hinge.

Preferably, the left and right ends below the pallet are welded with support frame, and the side of support frame as described above is welded with cunning Sliding block is also equipped at moving frame, the sliding rack and slideway opposite position.

Preferably, the rear of the handwheel is welded with axle sleeve, offers neutral gear slot on the two sidewalls up and down of the axle sleeve, Pushing block is fixedly connected with by screw at neutral gear slot opposite position in the shaft of the drive bevel gear.

Compared with prior art, the utility model has the beneficial effects that the projector installs the projector on fixed hanger It is held up and is fixed by pallet, substantially increase the safety of projector, installation and removal course projection's instrument is avoided to take off from hand It falls；And it can be tightly attached on the side wall of projector by four follow blocks freely rotated, and utilize adjusting nut preload and follow block The ring set of connection, have the function that it is fixed, it is easy to operate, quick, largely avoided using the cumbersome of bolt device to hole；And the hanger Lead screw rotation is controlled by handwheel, is slided using sliding shoe and pallet is driven to move up and down, be easily manipulated, and positioning accuracy is higher, When handwheel needs to invert simultaneously, the neutral gear slot on handwheel sleeve can be contacted with hand wheel rotating and with the pushing block in cone pulley shaft, and Generating thrust can just continue to rotate, and provide a reversion neutral gear phase for user, on the one hand avoid rotating Shi Bu little in one direction The heart reversion, when on the other hand needing to invert, user can neutral gear invert when grip intensity, improve the accuracy of positioning.

Detailed description of the invention

Fig. 1 is the utility model main view；

Fig. 2 is the structural schematic diagram of the utility model；

Fig. 3 is the dorsal view of the utility model；

Fig. 4 is the pallet top view of the utility model；

Fig. 5 is the pallet side view of the utility model；

Fig. 6 is the handwheel entity effect picture of the utility model.

In figure: 1- hanger, 2- mounting plate, 3- spool, 4- wrapping post, 5- sealing cover, 6- pallet, 7- baffle, 8- are fixed Set, 9- support frame, 10- adjusting nut, 11- ring set, 12- follow block, 13- drive bevel gear, 14- driven wheel of differential, 15- guide rod, 16- lead screw, 17- sliding shoe, 18- guide block, 19- slideway, 20- handwheel, 21- sliding block, 22- sliding rack, 23- axle sleeve, 24- pushing block, 25- neutral gear slot.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

Please refer to Fig. 1-6, the utility model provides a kind of technical solution: a kind of adjustable projector installation is fixed to hang Frame, including hanger 1, the top of hanger 1 is welded with mounting plate 2, and slideway 19 is offered in the left and right sides of hanger 1, hangs Center position inside frame 1 is provided with lead screw 16, and driven wheel of differential 14, driven wheel of differential 14 are welded in the shaft of lead screw 16 Rear engagement be connected with drive bevel gear 13, handwheel 20 is provided in the shaft of drive bevel gear 13, on the side wall of lead screw 16 Sliding shoe 17 is slidably connected by ball, the left and right ends of sliding shoe 17 are welded with guide block 18, the left and right ends of lead screw 16 It is provided with guide rod 15, guide block 18 is slidably connected with guide rod 15, and the front of hanger 1 is provided with pallet 6, and pallet 6 and guide block 18 weld It connects in succession, the rear of 6 upper surface of pallet is provided with baffle 7, is provided with sliding block 21 at pallet 6 and 19 opposite position of slideway, sliding Block 21 is slidably connected with slideway 19.

In the present embodiment, it is preferred that the upper surface of pallet 6 is provided with fixing sleeve 8, and there are four the settings of fixing sleeve 8, and four The corresponding upper surface for being welded on pallet 6, the top of fixing sleeve 8 are provided with ring set 11, and fixing sleeve 8 to fixing sleeve 8 two-by-two respectively Be internally provided with bolt, the top of ring set 11 is provided with adjusting nut 10, and adjusting nut 10 and bolt screw connection, ring set 11 Side wall on be welded with connecting plate, the end of connecting plate is rotatably connected to follow block 12 by rotational pin, and ring set 11 can be in fixation Turn in set 8 adjusts connecting plate end at a distance from projector, adapts to different size of projector, while follow block 12 is along even The rotational pin turn of fishplate bar end, can be tightly attached on the side wall of projector, then pre-tighten adjusting nut 10, pass through extruding force So that ring set 11 is fixed, so that follow block 12 firmly clamps projector, it is easy to operate, quick, it largely avoided using bolt device to hole It is cumbersome.

In the present embodiment, it is preferred that be welded with spool 3 above 1 front surface of hanger, spool 3 is internally provided with Wrapping post 4, and the right end of spool 3 is rotatably connected to sealing cover 5 by hinge, can reserve some power supplys inside spool 3 Line, and be wrapped on wrapping post 4, when needing to adjust height again, sealing cover 5 can be opened, power supply line is taken out, with pallet 6 On projector move up and down together, complete to be rewound on wrapping post 4 after adjusting, power supply line avoided to occur pullling and wind Situation, it is more convenient to use.

In the present embodiment, it is preferred that the left and right ends of 6 lower section of pallet are welded with support frame 9, the side weldering of support frame 9 It is connected to sliding rack 22, sliding block 21 is also equipped at sliding rack 22 and 19 opposite position of slideway, due to being placed with projection on pallet 6 Instrument avoids pallet 6 and 18 junction frangibility of guide block, wherein pallet 6 for the support strength and service life of reinforced tray 6 It can be slided by sliding block 21 in slideway 19 with support frame 9, support frame 9 and 6 integral planar of pallet are formed three by slideway 19 Angular shape substantially increases the structural support of pallet 6.

In the present embodiment, it is preferred that the rear of handwheel 20 is welded with axle sleeve 23, opens up on the two sidewalls up and down of axle sleeve 23 There is free shelves groove 25, pushing block is fixedly connected with by screw at 25 opposite position of neutral gear slot in the shaft of drive bevel gear 13 24, passing through 20 turn drive bevel gear 13 of handwheel, and when engagement rotation driven wheel of differential 14, need neutral gear slot 25 in axle sleeve 23 Edge in 13 shaft of drive bevel gear pushing block 24 generate thrust could turn, reversion when, need 25 edge of neutral gear slot On the other side contacted with pushing block 24, so 25 two sides of neutral gear slot edge when exchange is with 24 closed position of pushing block, can be User provides a reversion neutral gear phase, accidentally inverts when on the one hand avoiding rotating in one direction, on the other hand needs to invert When, user can neutral gear invert when grip intensity, improve the accuracy of positioning.

Working principle: when the utility model is used, user can be pacified the mounting plate 2 on hanger 1 by setscrew Projector on the ceiling, and is placed on 6 upper surface of pallet, while back abuts baffle 7 by dress, it is ensured that projector is in pallet Behind 6 centers, connecting plate end can be adjusted at a distance from projector in 8 inward turning moving ring sleeve 11 of fixing sleeve, adapted to different big Small projector, while follow block 12 can be tightly attached on the side wall of projector, so along the rotational pin turn of connecting plate end Adjusting nut 10 is pre-tightened afterwards, makes ring set 11 fixed by extruding force, so that follow block 12 firmly clamps projector, easy to operate, Fast, largely avoided using the cumbersome of bolt device to hole, then in some power supply lines of 3 internal reservation of spool, and be wrapped in around On terminal 4, when needing to adjust height again, sealing cover 5 can be opened, power supply line is taken out, with the projector on pallet 6 It moves up and down, completes to be rewound on wrapping post 4 after adjusting, avoid power supply line from the case where pullling and winding occur, using more Convenience, then adjust the height of projector, it is ensured that projected picture is corresponding on projection cloth, can be with turn handwheel 20, by handwheel The edge of neutral gear slot 25 on 20 rear axle housings 23 is threaded in 13 shaft of drive bevel gear on the side wall of pushing block 24, when neutral gear slot 25 Edge and the side wall of pushing block 24 when contacting just can by thrust turn, so 25 two sides of neutral gear slot edge exchange with When the position that pushing block 24 is close to, a reversion neutral gear phase can be provided for user, on the one hand avoid rotating Shi Bu little in one direction The heart reversion, when on the other hand needing to invert, user can neutral gear invert when grip intensity, improve the accuracy of positioning, Drive bevel gear 13 can be driven to rotate by handwheel 20, drive bevel gear 13 engages driven wheel of differential 14 and rotates, from mantle tooth Wheel 14 drives lead screw 16 to rotate, and lead screw 16 drives sliding shoe 17 mobile, and sliding shoe 17 drives guide block 18 to move along guide rod 15 again, And guide block 18 drives pallet 6 mobile, while pallet 6 and supported underneath frame 9 can be slided by sliding block 21 in slideway 19, it is ensured that The structural stability of pallet 6, entire workflow terminate.

While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art, It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.

Claims (5)

1. a kind of adjustable projector installs fixed hanger, including hanger (1), it is characterised in that: the top of the hanger (1) It is welded with mounting plate (2), and offers slideway (19) in the left and right sides of hanger (1), the internal center of the hanger (1) It is provided at position lead screw (16), is welded with driven wheel of differential (14), the driven wheel of differential in the shaft of the lead screw (16) (14) rear engagement is connected with drive bevel gear (13), is provided with handwheel (20) in the shaft of the drive bevel gear (13), It is slidably connected sliding shoe (17) on the side wall of the lead screw (16) by ball, the left and right ends of the sliding shoe (17) are welded It is connected to guide block (18), the left and right ends of the lead screw (16) are provided with guide rod (15), and the guide block (18) and guide rod (15) are sliding It is dynamic to connect, it is provided with pallet (6) in front of the hanger (1), the pallet (6) and guide block (18) are welded to connect, the pallet (6) rear of upper surface is provided with baffle (7), is provided with sliding block (21) at the pallet (6) and slideway (19) opposite position, The sliding block (21) is slidably connected with slideway (19).

2. a kind of adjustable projector according to claim 1 installs fixed hanger, it is characterised in that: the pallet (6) upper surface is provided with fixing sleeve (8), and there are four fixing sleeve (8) settings, and four fixing sleeves (8) are right two-by-two respectively That answers is welded on the upper surface of pallet (6), is provided with ring set (11) above the fixing sleeve (8), and the inside of fixing sleeve (8) It is provided with bolt, is provided with adjusting nut (10) above the ring set (11), the adjusting nut (10) and bolt screw company It connects, is welded with connecting plate on the side wall of the ring set (11), the end of the connecting plate is rotatably connected to follow block by rotational pin (12)。

3. a kind of adjustable projector according to claim 1 installs fixed hanger, it is characterised in that: the hanger (1) it is welded with above front surface spool (3), the spool (3) is internally provided with wrapping post (4), and spool (3) Right end sealing cover (5) are rotatably connected to by hinge.

4. a kind of adjustable projector according to claim 1 installs fixed hanger, it is characterised in that: the pallet (6) left and right ends below are welded with support frame (9), and the side of support frame as described above (9) is welded with sliding rack (22), the cunning Sliding block (21) are also equipped at moving frame (22) and slideway (19) opposite position.

5. a kind of adjustable projector according to claim 1 installs fixed hanger, it is characterised in that: the handwheel (20) rear is welded with axle sleeve (23), offers neutral gear slot (25), the master on the two sidewalls up and down of the axle sleeve (23) Pushing block (24) are fixedly connected with by screw at neutral gear slot (25) opposite position in the shaft of dynamic bevel gear (13).