CN215603849U - Screen synchronous lifting device - Google Patents
Screen synchronous lifting device Download PDFInfo
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- CN215603849U CN215603849U CN202121679333.3U CN202121679333U CN215603849U CN 215603849 U CN215603849 U CN 215603849U CN 202121679333 U CN202121679333 U CN 202121679333U CN 215603849 U CN215603849 U CN 215603849U
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- 238000005859 coupling reaction Methods 0.000 claims 2
- 238000000034 method Methods 0.000 description 19
- 230000008569 process Effects 0.000 description 18
- 230000033001 locomotion Effects 0.000 description 14
- 238000007373 indentation Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
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Abstract
The utility model discloses a screen synchronous lifting device, comprising: the first transmission mechanism comprises a driving motor, a first transmission gear assembly, a first rack, a first transmission output gear and an extension transmission gear set, wherein the first transmission output gear and a first tooth trace are meshed and connected with the first transmission gear assembly, and the extension transmission gear set is meshed and connected with a second tooth trace; the transmission shaft is in shaft connection with the first transmission output gear; the first driven mechanism comprises a first driven gear, a second transmission gear assembly and a second rack, the first driven gear is in shaft connection with the transmission shaft, and the first driven gear and the third tooth trace are in meshed connection with the second transmission gear assembly; one end of the first rack and one end of the second rack are both connected with the lifting cross rod. Through the technical scheme, the structure of the screen synchronous lifting device is more compact and simpler, and the production cost is well saved.
Description
Technical Field
The utility model relates to the field of office supplies, in particular to a screen synchronous lifting device.
Background
In the office or examination occasions, the liftable screen table has the functions of protecting privacy and preventing cheating, so the liftable screen table is widely applied; however, the screen synchronous lifting device of the existing screen table is relatively complex in structure, and the screen can be lifted only by using a plurality of motors for driving, so that the production cost of the screen table is increased.
SUMMERY OF THE UTILITY MODEL
The present invention is directed to solving at least one of the problems of the prior art. Therefore, the utility model provides a screen synchronous lifting device, which can enable the structure of the lifting device to be more compact and simpler and well save the production cost.
The screen synchronous lifting device of the embodiment of the utility model comprises:
the first transmission mechanism comprises a driving motor, a first transmission gear assembly in transmission connection with the driving motor, a first rack, a first transmission output gear and an extension transmission gear set, wherein a first tooth trace and a second tooth trace are respectively arranged on two opposite sides of the first rack, the first transmission output gear and the first tooth trace are both in meshing connection with the first transmission gear set, and the extension transmission gear set is in meshing connection with the second tooth trace;
the transmission shaft is in shaft connection with the first transmission output gear;
the first driven mechanism comprises a first driven gear, a second transmission gear assembly and a second rack, wherein a third tooth trace and a fourth tooth trace are respectively arranged on two opposite sides of the second rack, the first driven gear is in shaft connection with the transmission shaft, and the first driven gear and the third tooth trace are in meshed connection with the second transmission gear assembly;
and the lifting cross bar is used for mounting a screen, and one end of the first rack and one end of the second rack are both connected with the lifting cross bar.
The screen synchronous lifting device provided by the embodiment of the utility model at least has the following beneficial effects: when the driving motor works, the first transmission gear assembly can be driven to move, and the first transmission output gear and the first tooth trace are both meshed with the first transmission gear assembly, so that the first rack can realize lifting movement under the driving of the first transmission gear assembly; the first transmission output gear can also drive the transmission shaft to move in the movement process, the transmission shaft then drives the first driven gear to rotate, then the second transmission gear assembly is driven by the first driven gear to move, and finally the second rack can also realize lifting movement; the extension transmission gear set can well prevent the first rack from shaking and deviating in the movement process, so that the lifting process of the first rack is more stable; the extension transmission gear set can also be used for connecting the extension transmission gear set of another screen synchronous lifting device, so that the lifting cross rods of a plurality of screen synchronous lifting devices can be lifted and moved by only using one driving motor.
According to some embodiments of the utility model, the first transmission gear assembly comprises a drive shaft coupled to the drive motor, a first rotation gear intermeshed with the drive shaft, and a first gear assembly coupled to the first rotation gear, the first transmission output gear and the first gear mark each being in meshing engagement with the first gear assembly.
According to some embodiments of the utility model, the first gear assembly comprises a first cylindrical gear and a first conical gear coaxially connected, the first cylindrical gear intermeshes with the first indentation, and the first conical gear intermeshes with the first drive output gear.
According to some embodiments of the utility model, the extension transmission gear set comprises a second rotation gear and a second cylindrical gear, and the second rotation gear, the second rotation gear and the second gear trace are sequentially in meshed connection.
According to some embodiments of the utility model, the second transmission gear assembly comprises a third cylindrical gear and a second conical gear which are coaxially connected, the first driven gear is in meshed connection with the second conical gear, and the third cylindrical gear is in meshed connection with the third tooth trace.
According to some embodiments of the utility model, the first rack and the second rack are parallel to each other, and an upper end level of the first rack and an upper end level of the second rack are the same.
According to some embodiments of the utility model, a limiting block is arranged at one end of the first rack far away from the lifting cross bar.
According to some embodiments of the utility model, further comprising a housing, the first drive gear assembly, the first drive output gear, the extension drive gear set, the drive shaft, the first driven gear, and the second drive gear assembly all disposed within the housing; the driving motor is arranged outside the shell.
According to some embodiments of the utility model, the first rack and the second rack are both sleeved on an outer side with a socket ring, and the socket ring is fixed to an interior of the housing.
Additional aspects and advantages of the utility model will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the utility model.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
FIG. 1 is a schematic structural diagram of a screen synchronous lifting device according to an embodiment of the present invention;
FIG. 2 is a schematic view of a first internal structure of the screen synchronous lifting device according to the embodiment of the present invention;
FIG. 3 is a second internal view of the screen synchronous lifting device of the embodiment of the present invention;
FIG. 4 is a schematic structural view of a first gear assembly of the screen synchronous lifting device according to the embodiment of the present invention;
FIG. 5 is a schematic structural view of a second transmission gear assembly of the screen synchronous lifting device according to the embodiment of the present invention;
FIG. 6 is a schematic view of a plurality of screen synchronous lifting devices combined and connected according to another embodiment of the present invention;
fig. 7 is a schematic view of the combined connection of a plurality of screen synchronous lifting devices according to another embodiment of the present invention.
Reference numerals:
the device comprises a driving motor 100, a driving shaft 110, a first rotating gear 200, a first gear assembly 300, a first cylindrical gear 310, a first bevel gear 320, a first transmission output gear 400, a second rotating gear 510, a second cylindrical gear 520, a first rack 600, a first tooth trace 610, a second tooth trace 620, a transmission shaft 700, a first driven gear 800, a second transmission gear assembly 900, a third cylindrical gear 910, a second conical gear 920, a second rack 1000, a third tooth trace 1100, a fourth tooth trace 1200, a lifting cross bar 1300, a limiting block 1400, a socket ring 1500, a shell 1600, a perforation 1700 and a connecting rod 1800.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
In the description of the present invention, it should be understood that the orientation or positional relationship referred to, for example, the upper, lower, etc., is indicated based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, but does not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.
In the description of the present invention, unless otherwise explicitly defined, terms such as arrangement, connection and the like should be broadly construed, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present invention in combination with the detailed contents of the technical solutions.
Referring to fig. 1 to 2, 6 and 7, a screen synchronous lifting device according to an embodiment of the first aspect of the present invention includes: the first transmission mechanism comprises a driving motor 100, a first transmission gear assembly in transmission connection with the driving motor 100, a first rack 600, a first transmission output gear 400 and an extension transmission gear set, wherein a first tooth trace 610 and a second tooth trace 620 are respectively arranged on two opposite sides of the first rack 600, the first transmission output gear 400 and the first tooth trace 610 are both in meshing connection with the first transmission gear assembly, and the extension transmission gear set is in meshing connection with the second tooth trace 620; the transmission shaft 700, the transmission shaft 700 is coupled with the first transmission output gear 400; the first driven mechanism comprises a first driven gear 800, a second transmission gear assembly 900 and a second rack 1000, wherein a third tooth trace 1100 and a fourth tooth trace 1200 are respectively arranged on two opposite sides of the second rack 1000, the first driven gear 800 is in shaft connection with the transmission shaft 700, and the first driven gear 800 and the third tooth trace 1100 are in meshed connection with the second transmission gear assembly 900; and the lifting cross bar 1300 is used for installing a screen, and one end of the first rack 600 and one end of the second rack 1000 are both connected with the lifting cross bar 1300.
It should be noted that when the driving motor 100 works, the first transmission gear assembly can be driven to move, and the first transmission output gear 400 and the first tooth trace 610 are both meshed with the first transmission gear assembly, so that the first rack 600 can be driven by the first transmission gear assembly to move up and down; the first transmission output gear can also drive the transmission shaft 700 to move in the movement process, the transmission shaft 700 then drives the first driven gear 800 to rotate, then the second transmission gear assembly 900 is driven by the first driven gear 800 to move, and finally the second rack 1000 can also realize lifting movement, and the first rack 600 and the second rack 1000 can be lifted and moved by utilizing one motor, so that the structure of the screen synchronous lifting device is more compact and simple, and the production cost can be well saved; the extension transmission gear set can also well prevent the first rack 600 from shaking and deviating in the movement process, so that the lifting process of the first rack 600 is more stable, the extension transmission gear set can also be used for connecting the extension transmission gear set of another screen synchronous lifting device, and the lifting cross rods 1300 of a plurality of screen synchronous lifting devices can be lifted and moved only by using one driving motor 100.
It should be noted that the first rack 600 and the second rack 1000 can be lifted synchronously by using the driving motor 100, so as to save the production cost well and make the lifting control of the screen more convenient and faster.
Referring to fig. 2 and 3, in some embodiments of the present invention, the first transmission gear assembly includes a driving shaft 110 coupled to the driving motor 100, a first rotation gear 200 engaged with the driving shaft 110, and a first gear assembly 300 coupled to the first rotation gear 200, and the first transmission output gear 400 and the first gear trace 610 are engaged with the first gear assembly 300. When driving motor 100 works, just can drive driving shaft 110 and rotate, pivoted driving shaft 110 can also drive first rotation gear 200 and rotate, first rotation gear 200 still can drive first gear assembly 300 at the pivoted in-process and move, thereby drive first rack 600 and go up and down, can also convey second rack 1000 through transmission shaft 700 with drive power, drive second rack 1000 and carry out elevating movement.
Referring to fig. 4, in some embodiments of the utility model, the first gear assembly 300 includes a first cylindrical gear 310 and a first conical gear 320 coaxially coupled, the first cylindrical gear 310 intermeshed with a first indentation 610 and the first conical gear 320 intermeshed with the first transmission output gear 400. The first rotating gear 200 can drive the first cylindrical gear 310 of the shaft joint to rotate in the rotating process, and the first rack 600 can move up and down due to the fact that the first tooth trace 610 is meshed with the first cylindrical gear 310; the first bevel gear 320 can also drive the first transmission output gear 400 to rotate in the rotating process; note that the first transmission output gear 400 is a bevel gear.
Referring to fig. 2, 3 and 7, in some embodiments of the present invention, the extension transmission gear set includes a second rotation gear 510 and a second cylindrical gear 520, and the second cylindrical gear 520, the second rotation gear 510 and the second gear trace 620 are sequentially engaged. The first rack 600 drives the second rotating gear 510 to rotate during the lifting movement, and the second rotating gear 510 also drives the second cylindrical gear 520 to rotate during the rotation; the first rack 600 moves up and down between the first gear assembly 300 and the second rotating gear 510, so that the first rack 600 is more stable in the process of moving up and down, and the situations of deviation and shaking cannot easily occur; and the second cylindrical gear 520 can also be used for connecting the second cylindrical gears 520 of other screen synchronous lifting devices, the driving motor 100 of one screen synchronous lifting device drives the lifting cross rods 1300 of the other screen synchronous lifting devices to synchronously carry out lifting motion, and the control process is simple, convenient, rapid and reliable.
Referring to fig. 5, in some embodiments of the present invention, the second transmission gear assembly 900 includes a third spur gear 910 and a second bevel gear 920 coaxially coupled, the first driven gear 800 is in meshing engagement with the second bevel gear 920, and the third spur gear 910 is in meshing engagement with the third tooth trace 1100. The transmission shaft 700 drives the first driven gear 800 to rotate in the rotating process, and the first driven gear 800 drives the second bevel gear 920 to rotate in the rotating process, so that the third cylindrical gear 910 rotates, and finally the second rack 1000 moves up and down along with the first rack 600.
Referring to fig. 1 to 3, in some embodiments of the present invention, the first rack 600 and the second rack 1000 are parallel to each other, and the upper end level of the first rack 600 is the same as the upper end level of the second rack 1000. The upper end level of the first rack 600 is the same as the upper end level of the second rack 1000, so that the screen mounted to the lifting rail 1300 is maintained in a horizontal state during the lifting.
Referring to fig. 1 to 3, in some embodiments of the present invention, a limit block 1400 is disposed at an end of the first rack 600 away from the lifting rail 1300. The stopper 1400 provided at the lower end of the first rack 600 can limit the height at which the first rack 600 rises.
Referring to fig. 1, in some embodiments of the present invention, the present invention further includes a housing 1600, and the first transmission gear assembly, the first transmission output gear 400, the extension transmission gear set, the transmission shaft 700, the first driven gear 800 and the second transmission gear assembly 900 are disposed inside the housing 1600; the driving motor 100 is disposed outside the housing 1600. The shell 1600 can well protect the internal components thereof, so that the lifting operation process is more stable and reliable.
Referring to fig. 1 to 3, in some embodiments of the present invention, a socket ring 1500 is sleeved on the outer side of both the first rack 600 and the second rack 1000, and the socket ring 1500 is fixed inside the housing 1600. The socket ring 1500 fixed inside the housing 1600 can make the lifting process more stable.
Referring to fig. 1, 6 and 7, when a plurality of screen synchronous lifting devices are combined and connected, a connecting rod 1800 is further included, and a through hole 1700 is further formed on the housing 1600; the driving motor 100 in a screen synchronous lifting device drives the second rotating gear 510 to rotate, and the rotating second rotating gear 510 drives the second cylindrical gear 520 to rotate; because the second cylindrical gear 520 in one screen synchronous lifting device is connected with the second cylindrical gear 520 in the other screen synchronous lifting device by the connecting rod 1800 penetrating through the through hole 1700, the internal structure of the other screen synchronous lifting device does not need to be provided with the driving motor 100, and the second cylindrical gear 520 is used as a power source, the synchronous lifting operation of the lifting cross bar 1300 can also be realized; through the connection mode, one screen synchronous lifting device is used as a driving screen synchronous lifting device, other screen synchronous lifting devices are used as driven screen synchronous lifting devices, different screen synchronous lifting devices are connected through the connecting rod 1800, a plurality of screen synchronous lifting devices can work synchronously by utilizing one driving motor 100, the structure is simplified, and the operation is simple, convenient and quick.
The screen table of the second aspect of the utility model comprises the screen synchronous lifting device of the first aspect of the utility model. When the driving motor 100 works, the first transmission gear assembly can be driven to move, and the first transmission output gear 400 and the first tooth trace 610 are both meshed with the first transmission gear assembly, so that the first rack 600 can realize lifting movement under the driving of the first transmission gear assembly; the first transmission output gear can also drive the transmission shaft 700 to move in the movement process, the transmission shaft 700 then drives the first driven gear 800 to rotate, then the second transmission gear assembly 900 is driven by the first driven gear 800 to move, and finally the second rack 1000 can also realize lifting movement, and the first rack 600 and the second rack 1000 can be lifted and moved by utilizing one motor, so that the structure of the screen synchronous lifting device is more compact and simple, and the production cost can be well saved; the extension transmission gear set can well prevent the first rack 600 from shaking and deviating in the movement process, so that the lifting process of the first rack 600 is more stable; finally, the screen is more stable and reliable in the lifting process.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
While embodiments of the utility model have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the utility model, the scope of which is defined by the claims and their equivalents.
Claims (9)
1. A screen synchronous lifting device is characterized by comprising:
the first transmission mechanism comprises a driving motor, a first transmission gear assembly in transmission connection with the driving motor, a first rack, a first transmission output gear and an extension transmission gear set, wherein a first tooth trace and a second tooth trace are respectively arranged on two opposite sides of the first rack, the first transmission output gear and the first tooth trace are both in meshing connection with the first transmission gear set, and the extension transmission gear set is in meshing connection with the second tooth trace;
the transmission shaft is in shaft connection with the first transmission output gear;
the first driven mechanism comprises a first driven gear, a second transmission gear assembly and a second rack, wherein a third tooth trace and a fourth tooth trace are respectively arranged on two opposite sides of the second rack, the first driven gear is in shaft connection with the transmission shaft, and the first driven gear and the third tooth trace are in meshed connection with the second transmission gear assembly;
and the lifting cross bar is used for mounting a screen, and one end of the first rack and one end of the second rack are both connected with the lifting cross bar.
2. The screen synchronous lifting device according to claim 1, wherein: first transmission gear subassembly include with the driving shaft of driving motor coupling, with driving shaft intermeshing's first rotating gear and with the first gear subassembly of first rotating gear coupling, first transmission output gear with first tooth trace all with first gear subassembly meshing is connected.
3. The screen synchronous lifting device according to claim 2, wherein: the first gear assembly comprises a first cylindrical gear and a first conical gear which are coaxially connected, the first cylindrical gear is meshed with the first tooth trace, and the first conical gear is meshed with the first transmission output gear.
4. The screen synchronous lifting device according to claim 1, wherein: the extension transmission gear set comprises a second rotating gear and a second cylindrical gear, and the second cylindrical gear, the second rotating gear and the second tooth trace are sequentially connected in a meshed mode.
5. The screen synchronous lifting device according to claim 1, wherein: the second transmission gear assembly comprises a third cylindrical gear and a second bevel gear which are coaxially connected, the first driven gear is in meshed connection with the second bevel gear, and the third cylindrical gear is in meshed connection with the third tooth trace.
6. The screen synchronous lifting device according to claim 1, wherein: the first rack and the second rack are parallel to each other, and the upper end horizontal height of the first rack is the same as that of the second rack.
7. The screen synchronous lifting device according to claim 1, wherein: one end, far away from the lifting cross rod, of the first rack is provided with a limiting block.
8. The screen synchronous lifting device according to claim 1, wherein: the first transmission gear assembly, the first transmission output gear, the extension transmission gear set, the transmission shaft, the first driven gear and the second transmission gear assembly are all arranged in the shell; the driving motor is arranged outside the shell.
9. The screen synchronous lifting device according to claim 8, wherein: the outer sides of the first rack and the second rack are respectively sleeved with a sleeving ring, and the sleeving ring is fixed in the shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121679333.3U CN215603849U (en) | 2021-07-22 | 2021-07-22 | Screen synchronous lifting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121679333.3U CN215603849U (en) | 2021-07-22 | 2021-07-22 | Screen synchronous lifting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215603849U true CN215603849U (en) | 2022-01-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121679333.3U Active CN215603849U (en) | 2021-07-22 | 2021-07-22 | Screen synchronous lifting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215603849U (en) |
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2021
- 2021-07-22 CN CN202121679333.3U patent/CN215603849U/en active Active
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Address after: 529000, Building 3, No. 37, Duran South Road, Duran Town, Pengjiang District, Jiangmen City, Guangdong Province, China, Second Floor Self Compilation 08, Third Floor Self Compilation 08 Patentee after: JIANGMEN RAYGEA ELECTRONIC TECHNOLOGY CO.,LTD. Country or region after: China Address before: 529100 No. 13 Jinshun Road, Huicheng, Xinhui District, Jiangmen City, Guangdong Province (south side of workshop) Patentee before: JIANGMEN RAYGEA ELECTRONIC TECHNOLOGY CO.,LTD. Country or region before: China |