CN211260267U

CN211260267U - Positioning device of projector

Info

Publication number: CN211260267U
Application number: CN201922138549.8U
Authority: CN
Inventors: 呼娜
Original assignee: Shenyang Institute of Technology
Current assignee: Shenyang Institute of Technology
Priority date: 2019-12-04
Filing date: 2019-12-04
Publication date: 2020-08-14
Anticipated expiration: 2029-12-04

Abstract

The utility model discloses a positioner of projecting apparatus, including a fixed section of thick bamboo, the top fixedly connected with mounting panel of a fixed section of thick bamboo, the telescopic link has been inserted to the bottom of a fixed section of thick bamboo, the surface of telescopic link and the surface sliding connection of a fixed section of thick bamboo. This positioner of projecting apparatus, through the telescopic link in the inside flexible displacement of a fixed section of thick bamboo, and run through the location to the perforation of its telescopic link and a fixed section of thick bamboo pair usefulness through the screw, make it can carry out altitude mixture control to its projecting apparatus body, then the inner wall slip horizontal displacement of rethread slider at the slide, thereby reached and to carry out horizontal displacement to its projecting apparatus body and adjust, and again through the rotation of rotation axis, drive a section of thick bamboo and swing piece drive projecting apparatus body swing from beginning to end, adjust projection angle, thereby reached and to have adjusted the scope that the projecting apparatus body throws according to the projected scope demand at any time, then reached the effect of the use of the projecting apparatus of being convenient for.

Description

Positioning device of projector

Technical Field

The utility model relates to a location technical field of projecting apparatus for giving lessons specifically is a positioner of projecting apparatus.

Background

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.

At present, present for university's mathematics projecting apparatus of giving lessons is when the installation location, generally be through a lot of inspection location before the installation, make its projection scope and curtain correspond, but after actually accomplishing the installation locating rack, the deviation can often appear, lead to the unable complete overlapping of projection scope and curtain of projecting apparatus, and the solution often all is reinstallated once more, have not pointed the setting can adjust the displacement and the angle of locating rack after the installation at will, the use of inconvenient projecting apparatus, thereby certain trouble has been brought for the user.

Disclosure of Invention

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides a positioner of projecting apparatus has solved current university's mathematics and has given lessons and use the projecting apparatus, does not have corresponding setting and after installing its locating rack, can adjust the displacement of locating rack and the problem of angle at will.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: a positioning device of a projector comprises a fixed cylinder, wherein the top of the fixed cylinder is fixedly connected with a mounting plate, a telescopic rod is inserted into the bottom of the fixed cylinder, the surface of the telescopic rod is in sliding connection with the surface of the fixed cylinder, the front surfaces of the fixed cylinder and the telescopic rod are respectively provided with a plurality of through holes which are mutually matched for use, the surface of the fixed cylinder is provided with two screw rods in a penetrating way, the middle parts of the two screw rods are respectively penetrated through the through holes of the telescopic rod on the inner surface of the fixed cylinder, the bottom of the telescopic rod is fixedly connected with a swinging piece, the bottom of the swinging piece is inserted into the positioning cylinder, the top of the positioning cylinder is provided with a notch, the bottom of an elastic limiting sleeve ring is in extrusion contact with the notch at the top of the positioning cylinder, the bottom of the swinging piece is fixedly connected with a driving cylinder, the inner wall of the positioning, the right side of the rotating shaft penetrates through the right side plate of the positioning cylinder and extends to the outside of the positioning cylinder, the surface of the rotating shaft is sleeved with a pushing and pressing positioning resistance disc in a sliding manner, the surface of the rotating shaft is sleeved with a pressing plate in a sliding manner, the right side surface of the rotating shaft is provided with a threaded groove, the right side of the rotating shaft is inserted into the interior of the twisting cap, the surface of the rotating shaft is in threaded connection with the inner wall of the twisting cap, the left side of the positioning cylinder is fixedly connected with a supporting piece, the surface of the supporting piece penetrates through a pushing and pressing fixed rod, the surface of the pushing and pressing fixed rod is in sliding connection with the inner wall of the supporting piece, the top of the pushing and pressing fixed rod is fixedly connected with a pulling plate, the surface of the pushing and pressing fixed rod is sleeved with a tension spring, two ends of the tension spring are respectively in fixed connection with the bottom of, the bottom fixedly connected with slider of a location section of thick bamboo, the inner wall of slide is inserted to the bottom of slider, the spout that the cooperation slider used is seted up at the top of slide, the bottom of slider and the inner wall sliding connection of slide, the bottom fixedly connected with roof of slide, the bottom of roof and the top contact of projecting apparatus body, the both sides at roof top are all slided and are run through the jib, the upper surface of jib is offered and is used for increasing frictional groove arris, the screw cap has been cup jointed to the surface screw thread of jib, the bottom of screw cap and the top extrusion contact of roof, the bottom fixedly connected with fagging of jib.

Preferably, the bottom surface of the telescopic rod is fixedly sleeved with an elastic limiting lantern ring, and the right side of the positioning cylinder is fixedly connected with a resistance backing ring.

Preferably, the two side faces of the pushing and positioning stopping disc are provided with resistance friction pads, the front face and the back face of the rotating shaft are fixedly connected with limiting strips, and the surfaces of the limiting strips are in sliding connection with the inner wall of the pushing and positioning stopping disc.

Preferably, the left side of the twist cap is fixedly connected with a protection backing ring, and the inner ring of the protection backing ring is movably sleeved with the surface of the rotating shaft.

Preferably, a reinforcing rod is fixedly connected to the right side wall of the inner cavity of the twist cap, the left side of the reinforcing rod is inserted into the rotating shaft, and the surface of the reinforcing rod is movably connected with the inner wall of the rotating shaft.

Preferably, the bottom fixedly connected with first location rectangle backplate of fagging, the side fixedly connected with second location rectangle backplate of fagging, the fixed cover in surface of jib has connect the spacing ring, the top of spacing ring and the bottom extrusion contact of roof.

(III) advantageous effects

The utility model provides a positioner of projecting apparatus. The method has the following beneficial effects:

(1) the positioning device of the projector comprises a fixed cylinder, a mounting plate, a telescopic rod, a screw rod, a swinging piece, a positioning cylinder, a rotating shaft, a driving cylinder, a pressing plate, a twisting cap, a supporting piece, a pushing and pressing fixed rod, a pulling plate, a tension spring, a rotating pressing disc, a sliding piece, a sliding plate, a top plate, a hanging rod, a supporting plate and a screw cap which are matched for use, so that the telescopic displacement in the fixed cylinder is realized through the telescopic rod, the telescopic rod and the fixed cylinder penetrate through the through hole for positioning through the screw rod, the height of the projector body can be adjusted, then the sliding piece slides on the inner wall of the sliding plate for horizontal displacement, the rotating pressing disc and the sliding plate generate friction resistance through the tension action of the tension spring, the projector body is horizontally fixed, the projector body can be horizontally displaced and adjusted, and the rotating shaft rotates, through driving a section of thick bamboo and swing piece drive projecting apparatus body swing from beginning to end, adjust the projection angle, simultaneously through the screw propulsion principle of turning round cap and rotation axis right-hand member, drive and push down the pressing plate and push away and bulldoze the location resistance dish to the left side, make its resistance backing ring and push down the mutual extrusion of pressing plate and bulldoze the location resistance dish, utilize frictional resistance, fix a position its rotation axis, thereby reached after installing its mounting bracket, can adjust the scope that the projecting apparatus body throws according to projected scope demand at any time, then reached the effect of the use of the projecting apparatus of being convenient for.

Drawings

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

FIG. 2 is an enlarged schematic view of the point A of the structure of FIG. 1 of the present invention;

fig. 3 is an enlarged schematic view of the point B in the structure diagram of fig. 2 of the present invention;

fig. 4 is an enlarged schematic view of the inside of the position B in the structure of fig. 2 of the present invention;

fig. 5 is an enlarged schematic view of the point C in the structure diagram of fig. 2 of the present invention;

fig. 6 is an enlarged schematic view of the position D in the structure diagram 1 of the present invention.

In the figure: 1. a fixed cylinder; 2. mounting a plate; 3. a telescopic rod; 4. a screw; 5. an elastic limit lantern ring; 6. a swinging member; 7. a positioning cylinder; 8. a rotating shaft; 9. driving the barrel; 10. a resistance backing ring; 11. pushing and positioning the stop disc; 12. a limiting strip; 13. a pressing plate; 14. twisting the cap; 15. a protective backing ring; 16. a reinforcing rod; 17. a support member; 18. pushing and pressing the fixed rod; 19. pulling a plate; 20. a tension spring; 21. rotating the press disc; 22. a slider; 23. a slide plate; 24. a top plate; 25. a projector body; 26. a boom; 27. a supporting plate; 28. a first positioning rectangular guard plate; 29. a second positioning rectangular guard plate; 30. a threaded cap; 31. a limit ring.

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.

As shown in fig. 1-6, the utility model provides a technical solution: a positioning device of a projector comprises a fixed cylinder 1, the top of the fixed cylinder 1 is fixedly connected with a mounting plate 2, a telescopic rod 3 is inserted into the bottom of the fixed cylinder 1, the surface of the telescopic rod 3 is connected with the surface of the fixed cylinder 1 in a sliding way, the front surfaces of the fixed cylinder 1 and the telescopic rod 3 are respectively provided with a plurality of through holes which are mutually matched for use, the surface of the fixed cylinder 1 is provided with two screw rods 4 in a penetrating way, the middle parts of the two screw rods 4 are respectively penetrated through the through holes of the telescopic rod 3 on the inner surface of the fixed cylinder 1, the bottom of the telescopic rod 3 is fixedly connected with a swinging piece 6, the bottom of the swinging piece 6 is inserted into a positioning cylinder 7, the top of the positioning cylinder 7 is provided with a notch, the bottom surface of the telescopic rod 3 is fixedly sleeved with an elastic limiting lantern ring 5, the effect of protecting the telescopic rod 3 is achieved through the, the bottom of the swinging piece 6 is fixedly connected with a driving barrel 9, the inner wall of the positioning barrel 7 is rotatably connected with a rotating shaft 8, the inner ring of the driving barrel 9 is fixedly sleeved on the surface of the rotating shaft 8, the right side of the positioning barrel 7 is fixedly connected with a resistance backing ring 10, through the arrangement of the resistance backing ring 10, the friction resistance between the pushing and positioning resistance discs 11 is increased, the right side of the rotating shaft 8 penetrates through the right side plate of the positioning barrel 7 and extends to the outside of the positioning barrel 7, the surface of the rotating shaft 8 is slidably sleeved with the pushing and positioning resistance discs 11, two side surfaces of the pushing and positioning resistance discs 11 are respectively provided with a resistance friction pad, the front surface and the back surface of the rotating shaft 8 are respectively and fixedly connected with a limiting strip 12, the surface of the limiting strip 12 is slidably connected with the inner wall of the pushing and positioning resistance discs 11, through the arrangement of the limiting strips 12, the effect of enabling the pushing and positioning resistance discs, the surface of the rotating shaft 8 is slidably sleeved with a pressing plate 13, the right side surface of the rotating shaft 8 is provided with a thread groove, the right side of the rotating shaft 8 is inserted into the interior of the twist cap 14, the surface of the rotating shaft 8 is in threaded connection with the inner wall of the twist cap 14, the left side of the twist cap 14 is fixedly connected with a protection backing ring 15, the inner ring of the protection backing ring 15 is movably sleeved with the surface of the rotating shaft 8, the effect of protecting the twist cap 14 is achieved through the arrangement of the protection backing ring 15, the right side wall of the inner cavity of the twist cap 14 is fixedly connected with a reinforcing rod 16, the left side of the reinforcing rod 16 is inserted into the interior of the rotating shaft 8, the surface of the reinforcing rod 16 is movably connected with the inner wall of the rotating shaft 8, the effect of ensuring the stability of the rotating shaft 8 is achieved through the arrangement of the reinforcing rod 16, the left side of the positioning cylinder 7 is fixedly connected with a supporting piece 17, a, the top of the pushing and pressing fixed rod 18 is fixedly connected with a pulling plate 19, the surface of the pushing and pressing fixed rod 18 is sleeved with a tension spring 20, two ends of the tension spring 20 are respectively fixedly connected with the bottom of the pulling plate 19 and the top of a support member 17, the bottom of the pushing and pressing fixed rod 18 is rotatably connected with a rotating pressing disc 21, the bottom of the rotating pressing disc 21 is provided with a friction resistance disc, the bottom of the positioning cylinder 7 is fixedly connected with a sliding member 22, the bottom of the sliding member 22 is inserted into the inner wall of a sliding plate 23, the top of the sliding plate 23 is provided with a sliding groove matched with the sliding member 22, the bottom of the sliding member 22 is slidably connected with the inner wall of the sliding plate 23, the bottom of the sliding plate 23 is fixedly connected with a top plate 24, the bottom of the top plate 24 is contacted with the top of a projector body 25, two sides of the top plate 24 are both slidably penetrated with hanging rods 26, the upper surface of each hanging, the bottom fixedly connected with fagging 27 of jib 26, the bottom fixedly connected with first location rectangle backplate 28 of fagging 27, the side fixedly connected with second location rectangle backplate 29 of fagging 27, the fixed cover in surface of jib 26 has connect the spacing ring 31, the top of spacing ring 31 and the bottom extrusion contact of roof 24.

When the projector is used, after the projector body 25 is installed on a ceiling through the installation plate 2, the projection height of the projector body 25 needs to be adjusted, the telescopic rod 3 can be stretched and displaced in the fixed cylinder 1 to be adjusted to a proper height, then the telescopic rod 3 and the used through hole of the fixed cylinder 1 are penetrated and positioned through the screw rod 4, when the projection horizontal position of the projector body 25 needs to be adjusted, the pull plate 19 is pulled upwards, the tension spring 20 is stressed and deformed, the pushing and pressing fixed rod 18 is driven to move upwards, the bottom of the rotating pressing disc 21 is contacted and separated with the top of the sliding plate 23, the top plate 24 is horizontally pushed at the moment, the sliding piece 22 slides on the inner wall of the sliding plate 23 and horizontally moves to a proper position, the acting force of the pull plate 19 is released, the pushing and pressing fixed rod 18 is driven to move downwards due to the pulling force of the tension spring 20, and the rotating pressing disc 21 and the sliding plate 23 generate frictional resistance, the projector body 25 is positioned horizontally, when the projection angle of the projector body 25 needs to be adjusted, the projector body 25 is directly swung back and forth to enable the projector body to rotate through the rotation of the rotating shaft 8, and the driving cylinder 9 and the swinging piece 6 drive the projector body 25 to swing back and forth to adjust the projection angle, then, by rotating the twist cap 14 and utilizing the principle of screw propulsion of the twist cap 14 and the right end of the rotating shaft 8, the pressing plate 13 is driven to push and press the positioning resistance disc 11 to the left side, so that the resistance backing ring 10 and the pressing plate 13 mutually extrude and press the positioning resistance disc 11, and by utilizing the friction resistance, the rotating shaft 8 is positioned, so that the projection range of the projector body 25 can be adjusted at any time according to the projection range requirement after the mounting frame is mounted, and the purpose of facilitating the use of the projector is achieved, and those not described in detail in this specification are well within the skill of those in the art.

To sum up, the positioning device of the projector is provided by the installation of the fixed cylinder 1, the installation plate 2, the telescopic rod 3, the screw rod 4, the swinging piece 6, the positioning cylinder 7, the rotating shaft 8, the driving cylinder 9, the pressing plate 13, the twist cap 14, the support piece 17, the pushing and fixing rod 18, the pulling plate 19, the tension spring 20, the rotating pressing disc 21, the sliding piece 22, the sliding plate 23, the top plate 24, the suspension rod 26, the supporting plate 27 and the screw cap 30, so that the telescopic rod 3 can be telescopically displaced in the fixed cylinder 1 through the telescopic rod 3, the through holes for the telescopic rod 3 and the fixed cylinder 1 can be penetrated and positioned through the screw rod 4, the projector body 25 can be adjusted in height, then the sliding piece 22 can be horizontally displaced on the inner wall of the sliding plate 23, and the rotating pressing disc 21 and the sliding plate 23 can generate friction resistance through the tension action of the tension spring 20, so as to horizontally fix the projector body 25, thereby reached and to have carried out horizontal displacement to its projecting apparatus body 25 and adjusted, and the rotation through rotation axis 8 again, drive projecting apparatus body 25 swing back and forth through driving a section of thick bamboo 9 and swing piece 6, adjust the projection angle, simultaneously through turning round the screw thread propulsion principle of cap 14 and rotation axis 8 right-hand member, it pushes and bulldozes location resistance disc 11 to drive to press pressing plate 13 left side, make its resistance backing ring 10 and press pressing plate 13 mutual extrusion to bulldoze location resistance disc 11, utilize frictional resistance, fix a position its rotation axis 8, thereby reached and installed the back to its mounting bracket, can adjust the scope that projecting apparatus body 25 throws according to the scope demand of projection at any time, then reached the effect of the use of the projecting apparatus of being convenient for.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a positioner of projecting apparatus, includes a fixed section of thick bamboo (1), the spacing lantern ring of elasticity (5), its characterized in that: the top of the fixed cylinder (1) is fixedly connected with a mounting plate (2), a telescopic rod (3) is inserted into the bottom of the fixed cylinder (1), the surface of the telescopic rod (3) is connected with the surface of the fixed cylinder (1) in a sliding manner, a plurality of through holes which are mutually matched for use are formed in the front surfaces of the fixed cylinder (1) and the telescopic rod (3), two screw rods (4) are arranged on the surface of the fixed cylinder (1) in a penetrating manner, the middle parts of the two screw rods (4) penetrate through the through holes of the telescopic rod (3) on the inner surface of the fixed cylinder (1), a swinging piece (6) is fixedly connected with the bottom of the telescopic rod (3), the bottom of the swinging piece (6) is inserted into the positioning cylinder (7), a notch is formed in the top of the positioning cylinder (7), and the bottom of the elastic limiting sleeve ring (5) is in extrusion contact with the notch at, the bottom of the swinging piece (6) is fixedly connected with a driving barrel (9), the inner wall of the positioning barrel (7) is rotatably connected with a rotating shaft (8), the inner ring of the driving barrel (9) is fixedly sleeved on the surface of the rotating shaft (8), the right side of the rotating shaft (8) penetrates through the right side plate of the positioning barrel (7) and extends to the outside of the positioning barrel (7), the surface of the rotating shaft (8) is slidably sleeved with a pushing and positioning stopping disc (11), the surface of the rotating shaft (8) is slidably sleeved with a pressing plate (13), the right side surface of the rotating shaft (8) is provided with a thread groove, the right side of the rotating shaft (8) is inserted into the interior of the twist cap (14), the surface of the rotating shaft (8) is in threaded connection with the inner wall of the twist cap (14), the left side of the positioning barrel (7) is fixedly connected with a supporting piece (17), and a pushing and positioning rod (18) penetrates through the surface of, the surface of the pushing and pressing fixed rod (18) is connected with the inner wall of the support piece (17) in a sliding manner, the top of the pushing and pressing fixed rod (18) is fixedly connected with a pulling plate (19), the surface of the pushing and pressing fixed rod (18) is sleeved with a tension spring (20), two ends of the tension spring (20) are respectively connected with the bottom of the pulling plate (19) and the top of the support piece (17) in a fixed manner, the bottom of the pushing and pressing fixed rod (18) is rotatably connected with a rotating pressing disc (21), the bottom of the rotating pressing disc (21) is provided with a friction resistance disc, the bottom of the positioning cylinder (7) is fixedly connected with a sliding piece (22), the bottom of the sliding piece (22) is inserted into the inner wall of the sliding plate (23), the top of the sliding plate (23) is provided with a sliding groove matched with the sliding piece (22) in use, the bottom of the sliding piece (22) is connected with the inner, the bottom of roof (24) and the top contact of projecting apparatus body (25), the both sides at roof (24) top all slide to run through have jib (26), the groove arris that is used for increasing friction is offered to the upper surface of jib (26), the surface screw thread of jib (26) has cup jointed screw cap (30), the bottom of screw cap (30) and the top extrusion contact of roof (24), the bottom fixedly connected with fagging (27) of jib (26).

2. A positioning apparatus of a projector according to claim 1, wherein: the bottom surface of the telescopic rod (3) is fixedly sleeved with an elastic limiting sleeve ring (5), and the right side of the positioning cylinder (7) is fixedly connected with a resistance backing ring (10).

3. A positioning apparatus of a projector according to claim 1, wherein: resistance friction pads are arranged on two side faces of the pushing and positioning stopping disc (11), limiting strips (12) are fixedly connected to the front face and the back face of the rotating shaft (8), and the surfaces of the limiting strips (12) are in sliding connection with the inner wall of the pushing and positioning stopping disc (11).

4. A positioning apparatus of a projector according to claim 1, wherein: the left side of the twist cap (14) is fixedly connected with a protective backing ring (15), and the inner ring of the protective backing ring (15) is movably sleeved with the surface of the rotating shaft (8).

5. A positioning apparatus of a projector according to claim 1, wherein: the right side wall of the inner cavity of the twist cap (14) is fixedly connected with a reinforcing rod (16), the left side of the reinforcing rod (16) is inserted into the rotating shaft (8), and the surface of the reinforcing rod (16) is movably connected with the inner wall of the rotating shaft (8).

6. A positioning apparatus of a projector according to claim 1, wherein: the bottom fixedly connected with of fagging (27) first location rectangle backplate (28), the side fixedly connected with second location rectangle backplate (29) of fagging (27), the fixed surface of jib (26) has cup jointed spacing ring (31), the bottom extrusion contact of the top of spacing ring (31) and roof (24).