CN216667179U

CN216667179U - Projector convenient to adjust

Info

Publication number: CN216667179U
Application number: CN202122720244.5U
Authority: CN
Inventors: 王洋洋
Original assignee: Diheng Technology Co ltd
Current assignee: Diheng Technology Co ltd
Priority date: 2021-11-09
Filing date: 2021-11-09
Publication date: 2022-06-03
Anticipated expiration: 2031-11-09

Abstract

The utility model discloses a projector convenient to adjust, which comprises a projector shell, wherein the bottom of the projector shell is provided with four adjusting support legs, the four adjusting support legs are distributed at four corners of the bottom of the projector shell, each adjusting support leg comprises a support rod, the support rods penetrate through the bottom of the projector shell and are in sliding connection with the bottom of the projector shell, the side part of the projector shell is provided with an adjusting mechanism for adjusting the extending length of the support rods, each adjusting mechanism comprises a rotating shaft rotatably connected with the side wall of the projector shell, one end of each rotating shaft, positioned on the inner side of the projector shell, is connected with an adjusting block, and the other end of each rotating shaft is provided with a hand-twisting part. Has the advantages that: compared with the prior art that the adjusting mechanism is arranged at the bottom of the projector, the projector convenient to adjust has the advantages that the projector does not need to be turned over for adjustment during adjustment, and the projector can be adaptively adjusted at any time during projection due to the arrangement of the adjusting mechanism at the side part of the projector, so that playing of the projector is not influenced during adjustment.

Description

Projector convenient to adjust

Technical Field

The utility model relates to the field of projector equipment, in particular to a projector convenient to adjust.

Background

The projector is the equipment of projecting image or image on the curtain, needs people to adjust the projector when using to guarantee that image or image can be accurate throw to the curtain on, along with the transition of time technique, people also are higher and higher to the requirement of projector.

The prior projector has certain disadvantages when in use, the height adjusting structure of the projector body in the prior art is usually arranged at the support leg part at the bottom of the projector, thus, when the projector needs to be adjusted in projection angle, the projector needs to be turned off, when the projector is turned over and the screw rod supporting feet at the bottom of the projector are adjusted, the user feels that the adjustment is good, the projector is turned over again, the start-up projection test can only know whether the adjustment is proper, however, the user usually needs to repeat the operation for adjusting the projector well, and the above adjusting mechanism has the function of adjusting the projector, however, the operation is cumbersome, and needs to be adjusted many times, and the projector usually needs to be turned off during adjustment, which is very inconvenient and brings certain influence to the using process of people.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problems and provide a projector adjusting mechanism which is simple in structure, strong in practicability, capable of adjusting a projector in real time without turning the projector over and in the starting process and convenient to use.

In order to solve the technical problems, the technical scheme provided by the utility model is as follows: the utility model provides a projector convenient to adjust, includes the projector housing, and special body bottom of projector is equipped with the regulation stabilizer blade, adjust the stabilizer blade and be equipped with four and distribute in projector housing bottom four corners department, mediate the stabilizer blade and include the bracing piece, the bracing piece run through projector housing bottom and rather than sliding connection, projector housing lateral part is equipped with the adjustment mechanism who is used for adjusting bracing piece reach out length, adjustment mechanism includes the pivot of being connected with projector housing lateral wall rotation, and the pivot is connected with the regulating block in projector housing inboard one end, and the opposite side is equipped with the hand portion of twisting.

Furthermore, the section of the adjusting block is of a spiral shell-shaped structure, and the periphery of the adjusting block is a smooth curved surface gradually deviating from the axial lead of the rotating shaft.

Furthermore, the section of the adjusting block is of a spiral shell-shaped structure, the periphery of the adjusting block is a plurality of sections which are sequentially connected end to end, and the distance between the sections and the axial lead of the rotating shaft is sequentially increased.

Further, the section of the adjusting block is in a cam shape.

Furthermore, a circle of annular blocking edge is convexly arranged on the upper part of the support rod, a spring is arranged between the lower side of the annular blocking edge and the bottom of the projector shell, and the spring is wound on the support rod.

Furthermore, the inside uide bushing that still is equipped with of projector housing, uide bushing bottom fixed connection is in projector housing bottom to, the uide bushing cup joints in the bracing piece outside, and the uide bushing leads the lift of bracing piece.

Further, projector shell inner wall still is equipped with spacing axle sleeve, and spacing axle sleeve cup joints in the pivot to spacing axle sleeve one end is fixed in projector shell lateral wall, and the other end extends to cyclic annular fender and follows upper portion, and the pivot is rotated with spacing axle sleeve and is connected, be equipped with the bellied axle collar of round in the pivot, the axle collar is used for the axial displacement of spacing pivot.

Furthermore, the inside heavy groove that is equipped with regulating block matched with of bracing piece, the bracing piece bottom is equipped with vacuum chuck.

Compared with the prior art, the utility model has the advantages that: compared with the prior art that the bottom of the projector is adjusted, the projector is not required to be turned over for adjustment during adjustment, adaptive adjustment can be performed in projection at any time due to the fact that the projector is arranged on the side portion of the projector, playing of the projector is not affected during adjustment, and the vacuum chuck is arranged at the bottom of the adjusting support leg, so that overall stability of the projector body in the adjusting process is kept favorably, and projection shaking caused by pushing the projector body during adjustment is avoided.

Drawings

Fig. 1 is a schematic view of the internal structure of a projector according to the present invention, which is easy to adjust.

Fig. 2 is a schematic cross-sectional view a-a of fig. 1 illustrating a first embodiment of the present invention.

Fig. 3 is a schematic cross-sectional view a-a of fig. 1 illustrating a second embodiment of the present invention.

Fig. 4 is a schematic cross-sectional view taken along line a-a of fig. 1 in accordance with a third embodiment of the present invention.

Fig. 5 is an enlarged schematic view of the adjusting leg portion of the present invention. .

As shown in the figure: 1. a projector housing; 2. a support bar; 3. a rotating shaft; 4. an adjusting block; 5. a hand-wringing portion; 6. a smooth curved surface; 7. cutting into noodles; 8. a cam; 9. an annular blocking edge; 10. a spring; 11. a guide sleeve; 12. a limiting shaft sleeve; 13. a collar; 14. sinking a groove; 15. and (4) vacuum chuck.

Detailed Description

The following further describes embodiments of the present invention with reference to the drawings. In which like parts are designated by like reference numerals.

In the description of the present invention, it is to be understood that the terms "center", "lateral", "upper", "lower", "left", "right", "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 referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified. Furthermore, the term "comprises" and any variations thereof is intended to cover non-exclusive inclusions.

A projector convenient to adjust comprises a projector shell 1, an adjusting support leg is arranged at the bottom of the special body of the projector, the four adjusting support legs are distributed at four corners of the bottom of the projector shell 1, the adjusting support legs comprise support bars 2, the support bars 2 penetrate through the bottom of the projector shell 1 and are in sliding connection with the bottom of the projector shell, an adjusting mechanism for adjusting the extending length of the support bars 2 is arranged on the side portion of the projector shell 1, the adjusting mechanism comprises a rotating shaft 3 which is rotationally connected with the side wall of the projector shell 1, one end of the rotating shaft 3 at the inner side of the projector shell 1 is connected with an adjusting block 4, the other side is provided with a hand twisting part 5, when in use, the inner adjusting block 4 can be rotated only by rotating the hand-screwing part 5 on the outer side wall of the projector shell 1, and the length of the ejection supporting rod 2 can be changed by the adjusting block 4 through the shape design of the adjusting block 4, so that the projection angle of the projector can be adjusted.

As a first embodiment, the section of the adjusting block 4 is in a screw shell-shaped structure, the periphery of the adjusting block 4 is a smooth curved surface 6 gradually deviating from the axial lead of the rotating shaft 3, the smooth curved surface 6 of the outer side wall of the screw shell-shaped adjusting block 4 is abutted against the top of the supporting rod 2 in the process of rotating the rotating shaft 3, the supporting rod 2 is ejected out and adjusted through the smooth curved surface 6 in the process of rotating, and the supporting rod 2 slides smoothly in the adjustment process due to the smooth curved surface, so that the fine adjustment condition is suitable.

As a second embodiment, the section of the adjusting block 4 is in a spiral shell structure, the periphery of the adjusting block 4 is a tangent plane 7 which is sequentially connected end to end, and the distance between the plurality of tangent planes 7 and the axial lead of the rotating shaft 3 is sequentially increased.

As a third embodiment, the section of the adjusting block 4 is in the shape of a cam 8, and the cam 8 can also perform ejection adjustment on the extension length of the supporting rod 2, and the adjusting device is characterized by large adjusting range and is convenient for occasions requiring large adjustment.

As an improvement, a circle of annular blocking edge 9 is convexly arranged on the upper part of the support rod 2, a spring 10 is arranged between the lower side of the annular blocking edge 9 and the bottom of the projector shell 1, the spring 10 is wound on the support rod 2, and the support rod 2 can be upwards propped against the adjusting block 4 by the spring 10. Further, the inside uide bushing 11 that still is equipped with of projector housing 1, uide bushing 11 bottom fixed connection is in projector housing 1 bottom to, uide bushing 11 cup joints in 2 outsides of bracing piece, and uide bushing 11 leads to the lift of bracing piece 2, and uide bushing 11 makes the flexible more stable of bracing piece 2.

The inner wall of the projector shell 1 is further provided with a limiting shaft sleeve 12, the limiting shaft sleeve 12 is sleeved on the rotating shaft 3, one end of the limiting shaft sleeve 12 is fixed on the side wall of the projector shell 1, the other end of the limiting shaft sleeve 12 extends to the upper portion of the annular blocking edge 9, the rotating shaft 3 is rotatably connected with the limiting shaft sleeve 12, the limiting shaft sleeve 12 is used for keeping the rotating shaft 3 stably fixed and on the one hand, and on the other hand, the limiting shaft sleeve 12 can be used for preventing the support rod 2 from moving upwards and being separated due to the fact that the limiting shaft sleeve extends to the upper side of the annular blocking edge 9. And a circle of raised shaft collar 13 is arranged on the rotating shaft 3, and the shaft collar 13 is used for limiting the axial displacement of the rotating shaft 3. The support rod 2 is internally provided with a sinking groove 14 matched with the adjusting block 4, and the bottom of the support rod 2 is provided with a vacuum chuck 15.

The present invention and the embodiments thereof have been described above, and the description is not restrictive, and the embodiments shown in the detailed description are only a part of the embodiments of the present invention, not all embodiments, and the actual configuration is not limited thereto. In summary, those skilled in the art should appreciate that they can readily use the disclosed conception and specific embodiments as a basis for designing or modifying other structures for carrying out the same purposes of the present invention without departing from the spirit and scope of the utility model as defined by the appended claims.

Claims

1. The utility model provides a projector convenient to adjust, includes projector housing (1), and projector particular body bottom is equipped with adjusts the stabilizer blade, its characterized in that, adjust the stabilizer blade and be equipped with four and distribute in projector housing (1) bottom four corners department, adjust the stabilizer blade and include bracing piece (2), bracing piece (2) run through projector housing (1) bottom and rather than sliding connection, projector housing (1) lateral part is equipped with the adjustment mechanism who is used for adjusting bracing piece (2) extension length, adjustment mechanism includes pivot (3) of being connected with projector housing (1) lateral wall rotation, and pivot (3) are connected with regulating block (4) in projector housing (1) inboard one end, and the opposite side is equipped with hand portion of twisting (5).

2. The projector convenient to adjust according to claim 1, wherein the section of the adjusting block (4) is in a screw shell-shaped structure, and the periphery of the adjusting block (4) is a smooth curved surface (6) gradually deviating from the axial lead of the rotating shaft (3).

3. The projector convenient to adjust as claimed in claim 1, wherein the section of the adjusting block (4) is a screw shell structure, the outer periphery of the adjusting block (4) is a plurality of sections (7) connected end to end in sequence, and the distance between the plurality of sections (7) and the axial line of the rotating shaft (3) increases in sequence.

4. The projector convenient to adjust according to claim 1, wherein the adjusting block (4) is in the shape of a cam (8) in cross section.

5. A projector convenient to adjust according to any one of claims 1-4, characterized in that the upper part of the support rod (2) is provided with a ring-shaped retaining edge (9) in a protruding manner, a spring (10) is arranged between the lower side of the ring-shaped retaining edge (9) and the bottom of the projector shell (1), and the spring (10) is wound on the support rod (2).

6. The projector convenient to adjust according to claim 5, wherein a guide sleeve (11) is further arranged inside the projector housing (1), the bottom of the guide sleeve (11) is fixedly connected to the bottom of the projector housing (1), the guide sleeve (11) is sleeved outside the supporting rod (2), and the guide sleeve (11) guides the lifting of the supporting rod (2).

7. The projector convenient to adjust according to claim 5, wherein the inner wall of the projector housing (1) is further provided with a limiting shaft sleeve (12), the limiting shaft sleeve (12) is sleeved on the rotating shaft (3), one end of the limiting shaft sleeve (12) is fixed to the side wall of the projector housing (1), the other end of the limiting shaft sleeve (12) extends to the upper part of the annular retaining edge (9), the rotating shaft (3) is rotatably connected with the limiting shaft sleeve (12), the rotating shaft (3) is provided with a circle of raised shaft collar (13), and the shaft collar (13) is used for limiting the axial displacement of the rotating shaft (3).

8. The projector convenient to adjust according to claim 1, wherein the supporting rod (2) is internally provided with a sunken groove (14) matched with the adjusting block (4), and the bottom of the supporting rod (2) is provided with a vacuum chuck (15).