CN211371727U - Negative pressure type hoisting device for projector - Google Patents
Negative pressure type hoisting device for projector Download PDFInfo
- Publication number
- CN211371727U CN211371727U CN201922379482.7U CN201922379482U CN211371727U CN 211371727 U CN211371727 U CN 211371727U CN 201922379482 U CN201922379482 U CN 201922379482U CN 211371727 U CN211371727 U CN 211371727U
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- China
- Prior art keywords
- projector
- mounting box
- cavity
- hanging bracket
- spherical plug
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Abstract
The utility model provides a negative pressure type hoisting device of a projector, belonging to the field of office supplies manufacturing; the utility model discloses a: the projector mounting device comprises a mounting box for mounting a projector and a hanging bracket for hanging the mounting box; a positioning insertion cylinder is fixed at the top of the mounting box, and a spherical plug is arranged at the top of the positioning insertion cylinder; a hemispherical cavity for accommodating the spherical plug is formed in the hanging bracket, and a sealing ring is arranged at an opening of the cavity; the mounting box is connected with the accommodating cavity through the spherical plug, so that the mounting box is hung below the hanging bracket; the mounting box is hinged with a plurality of adjusting rods, and the free end of each adjusting rod is connected with the hanging bracket. The utility model discloses a hold the connection of chamber and bulb, disposable that can be convenient hangs the mounting box of projecting apparatus and establishes on the gallows, then is adjusting the angle and the height of projecting apparatus through adjusting the pole, and the location installation of projecting apparatus has been simplified to very easily installation and adjustment.
Description
Technical Field
The utility model relates to an office equipment makes the technique, especially relates to a projecting apparatus negative pressure formula hoist device, belongs to office supplies and makes technical field.
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. The projector is widely applied to families, offices, schools and entertainment places at present, different types such as CRT, LCD and DLP are used according to different working modes, the lens and the projection plate of the projector are incorrect in position, pictures or videos cannot be projected on the projection plate accurately, and inconvenience is brought to watching.
In the prior art, a mounting device of a suspension type projector generally adopts mechanical connection, and after suspension is completed, the vertical position and the corresponding angle of the projector are adjusted by adjusting the distance between a plurality of screw holes; but because the projecting apparatus is installed on the ceiling after, hardly carry out dismouting and regulation at the top, the process of regulation is not only loaded down with trivial details but also inconvenient, especially angle regulation in-process, needs repeated dismantlement, very inconvenient.
SUMMERY OF THE UTILITY MODEL
The utility model provides a new projecting apparatus negative pressure formula hoist device, the messenger projecting apparatus that can be quick through the absorbent mode of negative pressure gets into the state of hanging to need relapse the technical problem of dismouting in the projecting apparatus installation among the solution prior art.
The utility model discloses projecting apparatus negative pressure formula hoist device, include: the projector mounting device comprises a mounting box for mounting a projector and a hanging bracket for hanging the mounting box;
a positioning insertion cylinder is fixed at the top of the mounting box, and a spherical plug is arranged at the top of the positioning insertion cylinder;
a hemispherical cavity for accommodating the spherical plug is formed in the hanging bracket, and a sealing ring is arranged at an opening of the cavity; the mounting box is connected with the accommodating cavity through the spherical plug, so that the mounting box is hung below the hanging bracket;
the mounting box is hinged with a plurality of adjusting rods, and the free end of each adjusting rod is connected with the hanging bracket.
The projector negative pressure type hoisting device comprises a plurality of adjusting rods, a positioning insertion tube and a plurality of positioning insertion tubes, wherein the adjusting rods are arranged on the positioning insertion tube in a central symmetry manner;
a plurality of U-shaped jacks are formed in the hanging bracket, and the free end of each adjusting rod is connected with the U-shaped jack; the adjusting rod is further provided with a nut used for pressing the U-shaped jack.
According to the negative-pressure type lifting device for the projector, a layer of rubber pad used for wrapping the spherical plug is arranged in the accommodating cavity.
According to the negative-pressure type lifting device for the projector, the adjusting rod is sleeved with the gasket, and the nut rotates to enable the gasket to be pressed on the U-shaped insertion hole.
The negative pressure type hoisting device for the projector is characterized in that a permanent magnet is arranged in the spherical plug; the cavity is a magnetic cavity.
The negative-pressure type hoisting device for the projector is characterized in that a hoisting rod is arranged at the top of the hoisting frame; the edge of gallows is provided with the connecting plate, the U-shaped jack is seted up on the connecting plate.
The utility model discloses a hold the connection of chamber and bulb, disposable that can be convenient hangs the mounting box of projecting apparatus and establishes on the gallows, then is adjusting the angle and the height of projecting apparatus through adjusting the pole, and the location installation of projecting apparatus has been simplified to very easily installation and adjustment.
Drawings
Fig. 1 is the utility model discloses projector negative pressure formula hoist device's structure schematic diagram.
Detailed Description
Projector negative pressure formula hoist device can adopt following material to make, and be not limited to following material, for example: stainless steel, permanent magnets, aluminum alloy, plastic, silica gel, profile steel, and the like.
Fig. 1 is a schematic structural view of a negative pressure type lifting device of a projector according to an embodiment of the present invention; the utility model discloses projecting apparatus negative pressure formula hoist device, include: the projector mounting device comprises a mounting box 1 for mounting a projector, and a hanger 3 for hoisting the mounting box 1; the mounting box 1 is generally a metal container for accommodating a projector.
In the installation process, the projector can be put in only by ensuring that the installation box is in a horizontal state.
The top of the mounting box 1 is fixed with a positioning insertion cylinder 2, and the positioning insertion cylinder 2 is generally of a cylindrical structure. The top of the positioning plug barrel 2 is provided with a spherical plug 20; the diameter of the ball plug 20 is generally slightly larger than the diameter of the positioning sleeve 2.
A hemispherical cavity for accommodating the spherical plug 20 is formed in the hanger 3, and a sealing ring 5 is arranged at an opening of the cavity; the sealing ring 5 is used for tightly sleeving the spherical plug 20. In the use process, the spherical plug 20 is only required to be inserted into the containing cavity, and because the spherical plug extrudes the air in the containing cavity in the inserting process, the spherical plug can be firmly embedded into the containing cavity under the action of the atmospheric pressure.
Typically, a rubber gasket is disposed within the cavity to encapsulate the ball plug 20. Thus, the gap between the cavity and the ball plug can be completely filled. In addition, the sealing ring is arranged at the opening of the cavity and tightly sleeved outside the spherical plug, so that the position relation between the mounting box and the hanging bracket can be stabilized only by inserting, and rapid mounting is facilitated to the greatest extent.
In the actual use process, the mounting box 1 is connected with the accommodating cavity through the spherical plug 20, so that the mounting box 1 is hoisted below the hanger 3.
A plurality of adjusting rods 6 are hinged to the mounting box 1, and the free end of each adjusting rod 6 is connected with the hanging bracket 3.
The utility model discloses a hold the connection of chamber and bulb, disposable that can be convenient hangs the mounting box of projecting apparatus and establishes on the gallows, then is adjusting the angle and the height of projecting apparatus through adjusting the pole, and the location installation of projecting apparatus has been simplified to very easily installation and adjustment.
In the negative pressure type hoisting device for the projector of the embodiment, a plurality of adjusting rods 6 are arranged on the edge of the positioning insertion cylinder 2 in a centrosymmetric manner; that is, the positioning insertion tube 2 has an axis, and a plurality of adjustment levers are arranged symmetrically with respect to the center of the axis, and the number of adjustment levers is generally three or four.
A plurality of U-shaped jacks are formed in the hanger 3, and the free end of each adjusting rod 6 is connected with the U-shaped jack; the adjusting rod 6 is also provided with a nut 60 for pressing the U-shaped jack. The U-shaped jack can be convenient to enable the adjusting rod to be connected with the hanging bracket from the side face, and inconvenience in operation caused by insertion in the numerical direction is avoided.
In general, the distance between the side mounting box and the hanging bracket can be adjusted by rotating the nut, so that the horizontal state of the mounting box can be conveniently adjusted; moreover, the adjusting rod also plays a role in reinforcing the connection state between the mounting box and the hanging bracket, and the mounting box caused by air inflow in the accommodating cavity is prevented from falling off.
Further, the negative pressure type lifting device for the projector of the present embodiment, wherein a gasket 61 is sleeved on the adjusting rod 6, and the nut 60 rotates to press the gasket 61 on the U-shaped insertion hole.
In the negative pressure type hoisting device for the projector of the embodiment, a permanent magnet 21 is arranged in the spherical plug 20; the cavity is a magnetic cavity and is generally made of pure iron or permanent magnet materials. Therefore, the spherical plug and the accommodating cavity can be ensured to be in tight butt joint to the maximum extent, and falling or air intake is avoided.
The negative pressure type hoisting device for the projector of the embodiment is characterized in that a hoisting rod 4 is arranged at the top of the hoisting frame 3; the edge of the hanger 3 is provided with a connecting plate 30, and the U-shaped jack is arranged on the connecting plate 30.
Additionally, the utility model discloses a projecting apparatus negative pressure formula hoist device cost of manufacture is not high, and structural design is compact, and the structure is ingenious, and the finished product quality is stable, and is pleasing to the eye, and the installation is maintained conveniently, uses in the hoist and mount of various projection equipment.
The above embodiment numbers of the present invention are only for description, and do not represent the advantages and disadvantages of the embodiments. Through the above description of the embodiments, those skilled in the art will clearly understand that the above embodiment method can be implemented by some modifications plus the necessary general technical overlap; of course, the method can also be realized by simplifying some important technical features in the upper level. Based on such understanding, the technical solution of the present invention essentially or the part contributing to the prior art is: the whole function and structure, and cooperate the utility model discloses each embodiment the structure.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.
Claims (6)
1. The utility model provides a projecting apparatus negative pressure formula hoist device which characterized in that includes: the projector mounting device comprises a mounting box for mounting a projector and a hanging bracket for hanging the mounting box;
a positioning insertion cylinder is fixed at the top of the mounting box, and a spherical plug is arranged at the top of the positioning insertion cylinder;
a hemispherical cavity for accommodating the spherical plug is formed in the hanging bracket, and a sealing ring is arranged at an opening of the cavity; the mounting box is connected with the accommodating cavity through the spherical plug, so that the mounting box is hung below the hanging bracket;
the mounting box is hinged with a plurality of adjusting rods, and the free end of each adjusting rod is connected with the hanging bracket.
2. The negative-pressure type lifting device for the projector as claimed in claim 1, wherein a plurality of adjusting rods are arranged on the edge of the positioning insertion cylinder in a central symmetry manner;
a plurality of U-shaped jacks are formed in the hanging bracket, and the free end of each adjusting rod is connected with the U-shaped jack; the adjusting rod is further provided with a nut used for pressing the U-shaped jack.
3. The projector negative-pressure hoisting device according to claim 2, wherein a rubber pad for wrapping the spherical plug is arranged in the cavity.
4. The negative-pressure type projector lifting device as claimed in claim 2, wherein a gasket is sleeved on the adjusting rod, and the nut rotates to press the gasket on the U-shaped insertion hole.
5. The projector negative-pressure type hoisting device according to claim 2, wherein a permanent magnet is arranged in the spherical plug; the cavity is a magnetic cavity.
6. The negative-pressure type projector hoisting device as claimed in any one of claims 2 to 5, wherein a hanging rod is arranged on the top of the hanging bracket; the edge of gallows is provided with the connecting plate, the U-shaped jack is seted up on the connecting plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922379482.7U CN211371727U (en) | 2019-12-24 | 2019-12-24 | Negative pressure type hoisting device for projector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922379482.7U CN211371727U (en) | 2019-12-24 | 2019-12-24 | Negative pressure type hoisting device for projector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211371727U true CN211371727U (en) | 2020-08-28 |
Family
ID=72155292
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922379482.7U Expired - Fee Related CN211371727U (en) | 2019-12-24 | 2019-12-24 | Negative pressure type hoisting device for projector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211371727U (en) |
-
2019
- 2019-12-24 CN CN201922379482.7U patent/CN211371727U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200828 Termination date: 20211224 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |