CN210319169U

CN210319169U - Replaceable projection device

Info

Publication number: CN210319169U
Application number: CN201921201819.9U
Authority: CN
Inventors: 赵辉
Original assignee: Shenzhen Yuwei Technology Co Ltd
Current assignee: Shenzhen Yuwei Technology Co Ltd
Priority date: 2019-07-29
Filing date: 2019-07-29
Publication date: 2020-04-14
Anticipated expiration: 2029-07-29

Abstract

The utility model discloses a but extension formula projection arrangement, including device casing, stop gear, fixed plate, projection main part and hinge bar, the inside bottom mounting of device casing has the fixed plate, and the surface of fixed plate is provided with logical groove, the inside of leading to the groove is fixed with the support frame, the top of gyro wheel is provided with the projection main part, and the one end of projection main part installs the inner lens, the both sides of projection main part all are provided with the grip block, one side that the regulation screw thread was kept away from to the device casing articulates there is the extraction and replacement mouth, the turning position department on device casing top all is fixed with the support column, and the top of support column is provided with the connecting plate, the bottom of connecting plate articulates there is the hinge bar, and the bottom of hinge bar articulates with the top of device. The utility model discloses not only realized the limit function when entering into projection main part, prevented that the projection main part from taking place the skew phenomenon, realized the regulatory function of the height of camera lens and direction moreover.

Description

Replaceable projection device

Technical Field

The utility model relates to a projection technology field specifically is a removable formula projection arrangement.

Background

Along with the rapid development of science and technology, projection technology plays a key role in working and living, can be applied to temporary conferences, technical lectures and command monitoring centers, can also be connected with computers, workstations and the like, and in the projection process, a projection device is required for projection.

The projection devices on the market are various and can basically meet the use requirements of people, but certain problems still exist, and the specific problems include the following points:

(1) when the traditional projection device is used, the depth of the projection main body is generally difficult to adjust, so that the convenience degree of the projection device in use is seriously influenced;

(2) when the traditional projection device is used, a common lens is not convenient to fix, so that the using effect of the projection device is greatly influenced;

(3) when the traditional projection device is used, the height and the direction of a lens are generally inconvenient to adjust, so that great trouble is brought to people in use.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a but formula projection arrangement of drawing formula to propose the degree of depth when projection arrangement is not convenient for adjust the projection main part and gets into in solving above-mentioned background art, the camera lens is not convenient for fix, is not convenient for adjust the height of camera lens and the problem of direction.

In order to achieve the above object, the utility model provides a following technical scheme: a replaceable projection device comprises a device shell, a limiting mechanism, a fixing plate, a projection main body and a hinged rod, wherein the fixing plate is fixed at the bottom end inside the device shell, a through groove is formed in the surface of the fixing plate, a supporting frame is fixed inside the through groove, a roller is hinged to one side of the supporting frame through a roller shaft, the plane where the highest point of the roller is located is higher than the plane where the surface of the fixing plate is located, the projection main body is arranged at the top end of the roller, an inner lens is installed at one end of the projection main body, the limiting mechanism is arranged below the inner lens, clamping plates are arranged on two sides of the projection main body, a threaded rod is connected to the outer wall of the device shell on one side of each clamping plate in a threaded mode, one end of the threaded rod extends into the device shell and is hinged to the surface of each clamping plate, and a replacing, the corner position department on device casing top all is fixed with the support column, and the top of support column is provided with the connecting plate to the connecting plate passes through locating pin fixed connection with the support column surface, the bottom of connecting plate articulates there is the hinge bar, and the bottom of hinge bar is articulated mutually with the top of device casing.

Preferably, the adjusting screw is connected with the outer lens through a screw sleeve, and the central axis of the outer lens coincides with the central axis of the inner lens.

Preferably, stop gear's inside has set gradually positioning bolt, gag lever post, scale mark, stopper, slider, rectangle spout and locating plate, one side on fixed plate surface is provided with the rectangle spout, and the inside of rectangle spout is provided with the slider, the top of slider is fixed with the locating plate, and the surface of locating plate closely laminates with the surface of projection main part, one side of locating plate is fixed with the gag lever post, and the one end of gag lever post extends to the outside of device casing to the surface depiction of gag lever post has the scale mark.

Preferably, the surface of the limiting rod is fixed with a limiting block through a positioning bolt, and one side of the limiting block is in contact with the outer side wall of the device shell.

Preferably, two sets of fans are installed on the side wall of the device shell above the projection main body, and one side of the outer portion of the device shell is hinged with an adjusting thread which is communicated with the inner portion of the device shell.

Preferably, an adjusting rod is fixed at the top end of the connecting plate, and one side, far away from the connecting plate, of the adjusting rod is connected with a fixing support through a fixing bolt in a threaded mode.

Compared with the prior art, the beneficial effects of the utility model are that: the replaceable projection device not only realizes the limiting function when the projection main body enters, prevents the projection main body from deviating, but also realizes the function of adjusting the height and the direction of the lens;

(1) by arranging the positioning bolt, the limiting rod, the scale mark, the limiting block, the sliding block, the rectangular sliding groove and the positioning plate, the positioning plate moves along the rectangular sliding groove under the action of the sliding block by rotating the positioning bolt and then moving the limiting rod, so that the limiting function when the projection main body enters is realized, and the phenomenon that an inner lens touches the inner side wall of the device shell is avoided;

(2) the adjusting thread, the thread sleeve, the clamping plate and the threaded rod are arranged, and one side of the clamping plate is contacted with the surface of the projection main body by rotating the threaded rod, so that the clamping work of the clamping plate on the projection main body is realized, the offset phenomenon of the projection main body is prevented, and after the position of the projection main body is fixed, the outer lens adjusts the focal length under the action of the adjusting thread by rotating the thread sleeve;

(3) through being provided with regulation pole, fixed bolster, fixing bolt and hinge bar, make the surface of connecting plate and support column lax mutually through rotatory locating pin, realize rotatory work under the effect of rethread hinge bar to projection equipment's direction is adjusted, then through rotatory fixing bolt, through the pulling fixed bolster, makes the length change of fixed bolster, thereby has realized the regulatory function of the height of camera lens and direction.

Drawings

Fig. 1 is a schematic view of a front view cross-sectional structure of the present invention;

fig. 2 is a schematic side view of the cross-sectional 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 the limiting mechanism of the present invention.

In the figure: 1. a device housing; 2. adjusting the screw thread; 3. an outer lens; 4. an inner lens; 5. a threaded sleeve; 6. a limiting mechanism; 601. positioning the bolt; 602. a limiting rod; 603. scale lines; 604. a limiting block; 605. a slider; 606. a rectangular chute; 607. positioning a plate; 7. a through groove; 8. a roller; 9. a clamping plate; 10. a support frame; 11. a roll shaft; 12. a fixing plate; 13. a projection main body; 14. a fan; 15. a support pillar; 16. positioning pins; 17. adjusting a rod; 18. fixing a bracket; 19. fixing the bolt; 20. a hinged lever; 21. a connecting plate; 22. a threaded rod; 23. and (6) drawing and replacing the opening.

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 replaceable projection device comprises a device shell 1, a limiting mechanism 6, a fixing plate 12, a projection main body 13 and a hinged rod 20, wherein the fixing plate 12 is fixed at the bottom end inside the device shell 1, a through groove 7 is formed in the surface of the fixing plate 12, a supporting frame 10 is fixed inside the through groove 7, a roller 8 is hinged to one side of the supporting frame 10 through a roller shaft 11, the plane where the highest point of the roller 8 is located is higher than the plane where the surface of the fixing plate 12 is located, the projection main body 13 is arranged at the top end of the roller 8, an inner lens 4 is installed at one end of the projection main body 13, the limiting mechanism 6 is arranged below the inner lens 4,

a positioning bolt 601, a limiting rod 602, scale marks 603, a limiting block 604, a sliding block 605, a rectangular sliding groove 606 and a positioning plate 607 are sequentially arranged in the limiting mechanism 6, the rectangular sliding groove 606 is arranged on one side of the surface of the fixing plate 12, the sliding block 605 is arranged in the rectangular sliding groove 606, the positioning plate 607 is fixed at the top end of the sliding block 605, the surface of the positioning plate 607 is tightly attached to the surface of the projection main body 13, the limiting rod 602 is fixed on one side of the positioning plate 607, one end of the limiting rod 602 extends to the outside of the device shell 1, the scale marks 603 are carved on the surface of the limiting rod 602, the limiting block 604 is fixed on the surface of the limiting rod 602 through the positioning bolt 601, and one side of the limiting block 604 is in contact with the;

when the projection device is used, the surface of the limiting block 604 and the surface of the limiting rod 602 are loosened by rotating the positioning bolt 601, then the positioning plate 607 moves along the rectangular sliding groove 606 under the action of the sliding block 605 by moving the limiting rod 602, and when the positioning plate moves to a proper position, the positioning bolt 601 is rotated reversely to fix the positioning plate 607, so that the limiting function when the projection main body 13 enters is realized, and the phenomenon that the inner lens 4 touches the inner side wall of the device shell 1 is avoided;

the two sides of the projection main body 13 are provided with clamping plates 9, the outer wall of the device shell 1 on one side of each clamping plate 9 is in threaded connection with a threaded rod 22, one end of each threaded rod 22 extends into the device shell 1 and is hinged with the surface of the clamping plate 9, two groups of fans 14 are mounted on the side wall of the device shell 1 above the projection main body 13, one side of the outer part of the device shell 1 is hinged with an adjusting thread 2, the adjusting thread 2 is communicated with the inner part of the device shell 1, the adjusting thread 2 is in threaded connection with an outer lens 3 through a threaded sleeve 5, and the central axis of the outer lens 3 is superposed with the central axis of the inner lens 4;

one side of keeping away from adjusting screw thread 2 of device casing 1 articulates there is the extraction and change mouth 23, the corner position department on device casing 1 top all is fixed with support column 15, and the top of support column 15 is provided with connecting plate 21, and connecting plate 21 passes through locating pin 16 fixed connection with support column 15 surface, the bottom of connecting plate 21 articulates there is hinge rod 20, and hinge rod 20's bottom is articulated mutually with the top of device casing 1, the top of connecting plate 21 is fixed with adjusts pole 17, and adjust the pole 17 and keep away from one side of connecting plate 21 and have fixed bolster 18 through 19 threaded connection of fixing bolt.

The working principle is as follows: when in use, the projection main body 13 is placed on the surface of the fixing plate 12 by opening the replacing opening 23, the projection main body 13 is pushed to move to the inside of the device shell 1 under the rolling action of the roller 8, the limiting block 604 is loosened with the surface of the limiting rod 602 by rotating the positioning bolt 601, then the positioning plate 607 is moved along the rectangular sliding groove 606 under the action of the sliding block 605 by moving the limiting rod 602, when the projection main body is moved to a proper position, the positioning bolt 601 is rotated reversely to fix the positioning plate 607, thereby realizing the limiting function when the projection main body 13 enters, avoiding the phenomenon that the inner lens 4 touches the inner side wall of the device shell 1, then one side of the clamping plate 9 contacts with the surface of the projection main body 13 by rotating the threaded rod 22, realizing the clamping work of the clamping plate 9 on the projection main body 13, and preventing the projection main body 13 from deviating, after the position of the projection main body 13 is fixed, through rotating the thread bush 5, the focus is adjusted under the action of the adjusting thread 2 by the outer lens 3, then the surface of the connecting plate 21 and the surface of the supporting column 15 are loosened by rotating the positioning pin 16, then the rotating work is realized under the action of the hinge rod 20, and then the positioning pin 16 is rotated reversely, so that the direction of the projection equipment is fixed, the direction of the projection equipment is adjusted conveniently, then the fixing bolt 19 is rotated, the surface of the adjusting rod 17 and the surface of the fixing support 18 are loosened, the fixing support 18 is pulled, the length of the fixing support 18 is changed, the fixing support 18 is fixed by the fixing bolt 19 which is rotated reversely, finally, the inside of the device is cooled by the fan 14, and the using work of the projection equipment is finally completed.

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 removable formula projection arrangement, includes device casing (1), stop gear (6), fixed plate (12), projection main part (13) and articulated rod (20), its characterized in that: the device is characterized in that a fixing plate (12) is fixed at the bottom end inside the device shell (1), a through groove (7) is formed in the surface of the fixing plate (12), a supporting frame (10) is fixed inside the through groove (7), a roller (8) is hinged to one side of the supporting frame (10) through a roller shaft (11), the plane where the highest point of the roller (8) is located is higher than the plane where the surface of the fixing plate (12) is located, a projection main body (13) is arranged at the top end of the roller (8), an inner lens (4) is installed at one end of the projection main body (13), a limiting mechanism (6) is arranged below the inner lens (4), clamping plates (9) are arranged on two sides of the projection main body (13), a threaded rod (22) is connected to the outer wall of the device shell (1) on one side of each clamping plate (9) in a threaded mode, one end of the threaded rod (22) extends into the device shell (1) and is, one side of keeping away from regulation screw thread (2) of device casing (1) articulates there is pump-out mouth (23), the corner position department on device casing (1) top all is fixed with support column (15), and the top of support column (15) is provided with connecting plate (21) to locating pin (16) fixed connection is passed through on connecting plate (21) and support column (15) surface, the bottom of connecting plate (21) articulates there is hinge bar (20), and the bottom of hinge bar (20) is articulated mutually with the top of device casing (1).

2. The replaceable projection device of claim 1, wherein: the adjusting screw thread (2) is connected with the outer lens (3) through a screw thread sleeve (5) in a threaded manner, and the central axis of the outer lens (3) coincides with the central axis of the inner lens (4).

3. The replaceable projection device of claim 1, wherein: the inside of stop gear (6) has set gradually positioning bolt (601), gag lever post (602), scale mark (603), stopper (604), slider (605), rectangle spout (606) and locating plate (607), one side on fixed plate (12) surface is provided with rectangle spout (606), and the inside of rectangle spout (606) is provided with slider (605), the top of slider (605) is fixed with locating plate (607), and the surface of locating plate (607) closely laminates with the surface of projection main part (13), one side of locating plate (607) is fixed with stopper rod (602), and the one end of gag lever post (602) extends to the outside of device casing (1) to the surface of gag lever post (602) is carved with scale mark (603).

4. The replaceable projection device of claim 3, wherein: the surface of the limiting rod (602) is fixed with a limiting block (604) through a positioning bolt (601), and one side of the limiting block (604) is in contact with the outer side wall of the device shell (1).

5. The replaceable projection device of claim 1, wherein: install two sets of fans (14) on the device casing (1) lateral wall of projection main part (13) top, the outside one side of device casing (1) articulates there is regulation screw thread (2), and adjusts screw thread (2) and be linked together with the inside of device casing (1).

6. The replaceable projection device of claim 1, wherein: an adjusting rod (17) is fixed at the top end of the connecting plate (21), and one side, far away from the connecting plate (21), of the adjusting rod (17) is connected with a fixing support (18) through a fixing bolt (19) in a threaded mode.