CN211976401U - Lifting device for projector - Google Patents
Lifting device for projector Download PDFInfo
- Publication number
- CN211976401U CN211976401U CN202020477600.8U CN202020477600U CN211976401U CN 211976401 U CN211976401 U CN 211976401U CN 202020477600 U CN202020477600 U CN 202020477600U CN 211976401 U CN211976401 U CN 211976401U
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- Prior art keywords
- bevel gear
- fixedly connected
- rod
- shell
- far away
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Abstract
The utility model discloses a lifting device for a projector, wherein one end of a first rod body, which is far away from a motor, penetrates through the outer side wall of a first shell and is fixedly connected with a third bevel gear, the meshing of the third bevel gear is connected with a fourth bevel gear, the inner ring of the fourth bevel gear is fixedly connected with a second lead screw, one end of the second lead screw, which is far away from the fourth bevel gear, penetrates through the top wall of the inner side of the first shell, the outer side wall of the first rod body is fixedly connected with a first bevel gear, the meshing of the first bevel gear is connected with a second bevel gear, the inner ring of the second bevel gear is fixedly connected with a first lead screw, the first rod body is driven by starting the motor, the first rod body drives the bevel gears, then the meshing of the bevel gears drives the lead screws to rotate, the lead screws drive a first block to move up and down, the projector is lifted and lowered through the steps.
Description
Technical Field
The utility model relates to a projecting apparatus technical field specifically is a elevating gear for projecting apparatus.
Background
The projector, also known as the projector, a can be with the equipment of image or video projection on the curtain, can be through different interfaces with computer, VCD, DVD, BD, game machine, DV etc. connect the corresponding video signal of broadcast, the projector wide application has CRT, LCD, different grade type such as DLP in family, office, school and entertainment, according to the working method difference, there is CRT, LCD, the present projector often can not show fine projection effect on the curtain, or the projection is too high, or the projection is too low, often can't satisfy people's demand, cause very big puzzlement for the people who use the projector, for this reason, provide a elevating gear for the projector.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a elevating gear for projecting apparatus to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: a lifting device for a projector comprises a box body, a driving assembly and a supporting assembly, wherein the box body comprises a first shell and a second shell, the second shell is fixedly connected to the top wall of the outer side of the first shell, the driving assembly comprises a motor, a first rod body, a first bevel gear, a second bevel gear, a first screw rod, a third bevel gear, a fourth bevel gear, a second screw rod, a first block body, a plate body and a slide rail, the output end of the motor is fixedly connected with the first rod body, one end, far away from the motor, of the first rod body penetrates through the outer side wall of the first shell and is fixedly connected with the third bevel gear, the third bevel gear is connected with the fourth bevel gear in a meshing manner, the inner ring of the fourth bevel gear is fixedly connected with the second screw rod, one end, far away from the fourth bevel gear, of the second screw rod penetrates through the top wall of the inner side of the first shell, the first bevel gear is meshed with a second bevel gear, a first lead screw of the inner ring fixedly connected with of the second bevel gear is arranged, one end, far away from the second bevel gear, of the first lead screw penetrates through the top wall of the inner side of the first shell, a corner plate fixedly connected with of the rear wall of the inner side of the first shell is arranged in the first shell, the outer side wall of the corner plate is penetrated through by a first rod body, the first lead screw and a second lead screw, an inner thread is arranged on the inner side of the first block, the first block is connected with the outer side of the first lead screw and the outer side of the second lead screw in a threaded mode, the outer side wall of the second shell is a sliding rail, a plate body is connected to the inner side of the sliding.
As further preferable in the present technical solution: the supporting component comprises a supporting plate, a spring and a second block body, the inner side wall of the supporting plate is fixedly connected with the spring, the spring is far away from the second block body, the one end of the inner side wall of the supporting plate is fixedly connected with the second block body, the second block body is connected to the inner side bottom wall of the supporting plate in a sliding mode, and a projector body is arranged on the inner side of the supporting plate.
As further preferable in the present technical solution: the plate body is kept away from one side of slide rail and is seted up the cell body, the cell body inboard is rotated and is connected with the third body of rod, the one end fixed connection that the cell body was kept away from to the third body of rod is in the lateral wall of backup pad, the opposite side fixedly connected with second body of rod of backup pad, the one end that the backup pad lateral wall was kept away from to the second body of rod runs through the lateral wall of plate body.
As further preferable in the present technical solution: one end fixedly connected with carousel that the backup pad lateral wall was kept away from to the second body of rod.
As further preferable in the present technical solution: and one end of the first screw rod, which is far away from the second bevel gear, and one end of the second screw rod, which is far away from the fourth bevel gear, are fixedly connected with limit blocks.
As further preferable in the present technical solution: the switch is installed in the outside of box, the electrical property output of switch and the electrical property input electric connection of motor.
Compared with the prior art, the beneficial effects of the utility model are that: drive the first body of rod through starter motor, the first body of rod drives bevel gear, then the bevel gear meshing drives the lead screw rotatory, and the lead screw is rotatory to drive first block and reciprocates, and first block reciprocates and can take the plate body to reciprocate, then the plate body can drive the projecting apparatus body in the backup pad and reciprocate, has realized the lift of projecting apparatus through above-mentioned step.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a sectional view of the structure of the present invention;
fig. 3 is an enlarged view of the structure of the region a in fig. 2 according to the present invention;
fig. 4 is an enlarged view of the structure of the region B in fig. 2 according to the present invention.
In the figure: 1. a box body; 101. a first housing; 102. a second housing; 2. a drive assembly; 201. a motor; 202. a first rod body; 203. a first bevel gear; 204. a second bevel gear; 205. a first lead screw; 206. a third bevel gear; 207. a fourth bevel gear; 208. a second lead screw; 209. a first block; 210. A plate body; 211. a slide rail; 212. an internal thread; 3. a support assembly; 301. a support plate; 302. a spring; 303. a second block; 4. a switch; 5. a second rod body; 6. a turntable; 7. a limiting block; 8. corner plates; 9. a trough body; 10. a third rod body; 11. the projector body.
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.
Examples
Referring to fig. 1-4, the present invention provides a technical solution: a lifting device for a projector comprises a box body 1, a driving component 2 and a supporting component 3, wherein the box body 1 comprises a first shell 101 and a second shell 102, the second shell 102 is fixedly connected to the top wall of the outer side of the first shell 101, the driving component 2 comprises a motor 201, a first rod body 202, a first bevel gear 203, a second bevel gear 204, a first screw rod 205, a third bevel gear 206, a fourth bevel gear 207, a second screw rod 208, a first block 209, a plate body 210 and a sliding rail 211, the output end of the motor 201 is fixedly connected with the first rod body 202, one end, far away from the motor 201, of the first rod body 202 penetrates through the outer side wall of the first shell 101 and is fixedly connected with the third bevel gear 206, the third bevel gear 206 is connected with the fourth bevel gear 207 in a meshing manner, the inner ring of the fourth bevel gear 207 is fixedly connected with the second screw rod 208, one end, far away from the fourth bevel gear 207, of, the outer side wall of the first rod body 202 is fixedly connected with a first bevel gear 203, the first bevel gear 203 is connected with a second bevel gear 204 in a meshing manner, the inner ring of the second bevel gear 204 is fixedly connected with a first screw rod 205, one end, far away from the second bevel gear 204, of the first screw rod 205 penetrates through the top wall of the inner side of the first shell 101, the rear wall of the inner side of the first shell 101 is fixedly connected with a corner plate 8, the outer side walls of the two corner plates 8 are all formed by the first rod body 202, the first screw rod 205 and the second screw rod 208 penetrate through, the inner side of the first block body 209 is provided with an internal thread 212, the two first block bodies 209 are in threaded connection with the outer sides of the first screw rod 205 and the second screw rod 208, the outer side wall of the second shell 102 is a sliding rail 211, the inner.
In this embodiment, specifically: the support component 3 comprises a support plate 301, a spring 302 and a second block 303, the inner side wall of the support plate 301 is fixedly connected with the spring 302, one end of the spring 302, far away from the inner side wall of the support plate 301, is fixedly connected with the second block 303, the second block 303 is slidably connected with the bottom wall of the inner side of the support plate 301, and the projector body 11 is arranged on the inner side of the support plate 301; the projector body 11 is placed on the supporting plate 301, the second block 303 is pushed to two sides, and the second block 303 extrudes the spring 302 to enable the spring to be elastically deformed under stress, so that the projector body 11 is fixed.
In this embodiment, specifically: a groove body 9 is formed in one side, away from the sliding rail 211, of the plate body 210, a third rod body 10 is rotatably connected to the inner side of the groove body 9, one end, away from the groove body 9, of the third rod body 10 is fixedly connected to the outer side wall of the supporting plate 301, a second rod body 5 is fixedly connected to the other side of the supporting plate 301, and one end, away from the outer side wall of the supporting plate 301, of the second rod body 5 penetrates through the outer; because the third rod 10 is installed at one end of the supporting plate 301, the third rod 10 is rotatably connected in the groove 9 formed in the plate body 210, and the angle of the horizontal plane of the supporting plate 301 can be adjusted by rotating the second rod 5.
In this embodiment, specifically: one end of the second rod body 5, which is far away from the outer side wall of the supporting plate 301, is fixedly connected with a turntable 6; the second rod body 5 can rotate more labor-saving by installing the turntable 6 at one end of the second rod body 5.
In this embodiment, specifically: one end of the first screw rod 205, which is far away from the second bevel gear 204, and one end of the second screw rod 208, which is far away from the fourth bevel gear 207, are both fixedly connected with a limiting block 7; the first block 209 can be limited by installing the limiting block 7 at one end of the first lead screw 205 far away from the second bevel gear 204 and one end of the second lead screw 208 far away from the fourth bevel gear 207.
In this embodiment, specifically: a switch 4 is arranged on the outer side of the box body 1, and the electrical output end of the switch 4 is electrically connected with the electrical input end of the motor 201; by the operation of the switch 4, the turning on and off of the motor 201 can be controlled.
In this embodiment, the motor 201 is XY86STH 80-5504A.
Working principle or structural principle, when in use, the motor 201 is started, the motor 201 drives the first rod 202 to rotate, the first rod 202 rotates to drive the first bevel gear 203 and the third bevel gear 206 to rotate, then the first bevel gear 203 and the third bevel gear 206 drive the second bevel gear 204 and the fourth bevel gear 207 to rotate, the second bevel gear 204 and the fourth bevel gear 207 drive the first lead screw 205 and the second lead screw 208 to rotate, the first lead screw 205 and the second lead screw 208 drive the first block 209 to rotate, because the first block 209 is fixedly connected to the plate body 210 and then the plate body 210 slides in the slide rail 211, the first block 209 can only move up and down along with the rotation of the screw rod, the first block 209 can drive the plate body 210 to move up and down along with the up and down movement, then, the plate body 210 drives the projector body 11 on the supporting plate 301 to move up and down, and the projector is lifted and lowered through the steps.
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 (6)
1. A lifting device for a projector comprises a box body (1), a driving component (2) and a supporting component (3), and is characterized in that: the box body (1) comprises a first shell (101) and a second shell (102), the second shell (102) is fixedly connected to the top wall of the outer side of the first shell (101), the driving assembly (2) comprises a motor (201), a first rod body (202), a first bevel gear (203), a second bevel gear (204), a first screw rod (205), a third bevel gear (206), a fourth bevel gear (207), a second screw rod (208), a first block body (209), a plate body (210) and a sliding rail (211), the output end of the motor (201) is fixedly connected with the first rod body (202), one end, far away from the motor (201), of the first rod body (202) penetrates through the outer side wall of the first shell (101) and is fixedly connected with the third bevel gear (206), the third bevel gear (206) is connected with the fourth bevel gear (207) in a meshing manner, and the inner ring of the fourth bevel gear (207) is fixedly connected with the second screw rod (208, one end, far away from a fourth bevel gear (207), of the second lead screw (208) penetrates through the top wall of the inner side of the first shell (101), the outer side wall of the first rod body (202) is fixedly connected with a first bevel gear (203), the first bevel gear (203) is connected with a second bevel gear (204) in a meshing manner, the inner ring of the second bevel gear (204) is fixedly connected with a first lead screw (205), one end, far away from the second bevel gear (204), of the first lead screw (205) penetrates through the top wall of the inner side of the first shell (101), the rear wall of the inner side of the first shell (101) is fixedly connected with a corner plate (8), the outer side walls of the two corner plates (8) are penetrated through by the first rod body (202), the first lead screw (205) and the second lead screw (208), the inner side of the first block body (209) is provided with an internal thread (212), and the two first blocks (209) are in threaded connection with the outer sides of the, the outer side wall of the second shell (102) is a sliding rail (211), the inner side of the sliding rail (211) is connected with a plate body (210) in a sliding mode, and one side, far away from the sliding rail (211), of the plate body (210) is fixedly connected to the outer side of the first block body (209).
2. A lifting device for a projector according to claim 1, wherein: the supporting component (3) comprises a supporting plate (301), a spring (302) and a second block body (303), the inner side wall of the supporting plate (301) is fixedly connected with the spring (302), the spring (302) is far away from the second block body (303) at one end of the inner side wall of the supporting plate (301), the second block body (303) is connected to the inner side bottom wall of the supporting plate (301) in a sliding mode, and a projector body (11) is arranged on the inner side of the supporting plate (301).
3. A lifting device for a projector according to claim 2, wherein: the plate body (210) is kept away from one side of slide rail (211) and has been seted up cell body (9), cell body (9) inboard is rotated and is connected with the third body of rod (10), the one end fixed connection in the lateral wall of backup pad (301) that cell body (9) were kept away from to the third body of rod (10), the opposite side fixedly connected with second body of rod (5) of backup pad (301), the lateral wall of plate body (210) is run through to the one end that backup pad (301) lateral wall was kept away from to the second body of rod (5).
4. A lifting device for a projector according to claim 3, wherein: one end of the second rod body (5) far away from the outer side wall of the supporting plate (301) is fixedly connected with a turntable (6).
5. A lifting device for a projector according to claim 1, wherein: and one end of the first screw rod (205) far away from the second bevel gear (204) and one end of the second screw rod (208) far away from the fourth bevel gear (207) are fixedly connected with a limiting block (7).
6. A lifting device for a projector according to claim 1, wherein: switch (4) are installed in the outside of box (1), the electrical property output of switch (4) and the electrical property input electric connection of motor (201).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020477600.8U CN211976401U (en) | 2020-04-03 | 2020-04-03 | Lifting device for projector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020477600.8U CN211976401U (en) | 2020-04-03 | 2020-04-03 | Lifting device for projector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211976401U true CN211976401U (en) | 2020-11-20 |
Family
ID=73382270
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020477600.8U Expired - Fee Related CN211976401U (en) | 2020-04-03 | 2020-04-03 | Lifting device for projector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211976401U (en) |
-
2020
- 2020-04-03 CN CN202020477600.8U patent/CN211976401U/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: 20201120 Termination date: 20210403 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |