CN209965618U - Liftable computer desk - Google Patents
Liftable computer desk Download PDFInfo
- Publication number
- CN209965618U CN209965618U CN201920382806.XU CN201920382806U CN209965618U CN 209965618 U CN209965618 U CN 209965618U CN 201920382806 U CN201920382806 U CN 201920382806U CN 209965618 U CN209965618 U CN 209965618U
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- lifting
- transmission shaft
- rotary table
- desk
- base
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Abstract
The utility model discloses a liftable desk, the during operation, graphoscope is placed in the elevating platform position, drives hand actuating mechanism through hand mode, and control elevating mechanism is elevating movement to the elevating platform, and accurate graphoscope's use height is adjusted to the height that adapts to cervical vertebra and eye adopts manpower drive's mechanical structure, and is energy-concerving and environment-protective. In addition, the lifting platform comprises a base and a rotary table, the placing angle of the computer display can be adjusted by manually rotating the rotary table, the computer display does not need to be moved, and the computer display after being lifted is prevented from carelessly falling off in the adjusting process to cause the damage of the computer display.
Description
Technical Field
The utility model relates to an office supplies field, in particular to liftable desk.
Background
With the development of society, the number of office workers is increasing day by day, office groups are usually in a state of long-term desk-bending work, and cervical spondylosis can be caused under severe conditions because the office groups stare at computers for work for a long time and are easy to cause stiff cervical vertebra. To improve this situation, people usually put books or thick objects under the computer monitor to raise the height of the computer monitor to fit the height of the eyes and the cervical vertebrae.
At present, the lifting table on the market is usually driven by an air cylinder, so that the manufacturing cost is increased, and the lifting table consumes electric energy, so that the use cost of a user is increased; and most of the lifting devices are the integral lifting of the table top, so that the integral lifting of the table top is high in manufacturing cost and difficult to popularize.
It is seen that improvements and enhancements to the prior art are needed.
SUMMERY OF THE UTILITY MODEL
In view of the above-mentioned prior art's weak point, the utility model aims at providing a convenient to use, energy-concerving and environment-protective liftable desk, aim at improving office crowd's operational environment and reducing the cost of lift desk.
In order to achieve the purpose, the utility model adopts the following technical proposal:
a liftable computer desk comprises a desk plate, desk legs for supporting the desk plate, a lifting platform, an installation chamber arranged on the bottom surface of the desk plate and a lifting device arranged in the installation chamber; the lifting device comprises a lifting mechanism and a hand-operated driving mechanism, and the hand-operated driving mechanism is used for driving the lifting mechanism to lift the lifting platform; the lifting platform comprises a base and a rotary table arranged above the base, the base is arranged on the lifting mechanism and is rotatably connected with the rotary table, a lifting port matched with the rotary table is formed in the table, and the rotary table can penetrate through the lifting port.
The liftable computer desk comprises a lifting mechanism, a lifting mechanism and a lifting mechanism, wherein the lifting mechanism comprises a bidirectional screw rod and a first bearing seat; the bidirectional screw comprises a forward threaded part and a reverse threaded part, a forward nut is arranged on the forward threaded part, a reverse nut is arranged on the reverse threaded part, and two ends of the bidirectional screw penetrate through the first bearing seat; and guide seats are fixedly arranged on the forward nut and the reverse nut.
The lifting mechanism further comprises a sliding chute arranged at the bottom of the base, two sliding blocks connected to the sliding chute in a sliding manner and two connecting rods; the middle parts of the two connecting rods are hinged with each other to form an X shape; the lower ends of the two connecting rods are respectively hinged with the corresponding guide seats, and the upper ends of the connecting rods are respectively hinged with the corresponding sliding blocks.
The liftable computer desk is characterized in that the hand-operated driving mechanism comprises a hand wheel, a transverse transmission shaft, a vertical transmission shaft and a second bearing seat; one end of the transverse transmission shaft is connected with any end of the bidirectional screw through a coupler, and the other end of the transverse transmission shaft is provided with a first bevel gear; the transverse transmission shaft penetrates through the second bearing block; the upper end of the vertical transmission shaft is connected with a hand wheel, and the lower end of the vertical transmission shaft is provided with a second bevel gear; the first bevel gear is in meshed transmission with the second bevel gear.
The liftable computer desk is characterized in that a placing groove for placing a hand wheel and a cover body for covering the placing groove are arranged on the desk plate, and the upper end of the vertical transmission shaft penetrates through the placing groove through a bearing; the size of the cover body is matched with the placing groove.
The liftable computer desk is characterized in that the size of the base is larger than that of the lifting port; the base is in a boss shape, the boss part of the base is a circular boss, and the size of the circular boss is smaller than that of the rotary table.
The liftable computer desk is characterized in that a circular groove is formed in the bottom of the rotary table, and the size of the circular groove is matched with that of the circular boss.
The liftable computer desk is characterized in that an inner gear ring is sleeved in the circular groove, and a plurality of elastic gear teeth are arranged on the inner wall of the inner gear ring at equal angles along the circumferential direction; an outer gear ring is sleeved on the circular boss, and a plurality of elastic gear teeth are arranged on the outer wall of the outer gear ring at equal angles along the circumferential direction; the inner gear ring and the outer gear ring are meshed with each other.
Has the advantages that:
the utility model provides a liftable computer desk, compared with the prior art, the liftable computer desk is provided with a lifting mechanism, a hand-operated driving mechanism and a lifting platform; when the device works, the computer display is placed at the position of the lifting platform, the hand-operated driving mechanism is driven in a hand-operated mode, the lifting mechanism is controlled to do lifting motion on the lifting platform, the use height of the computer display is accurately adjusted to adapt to the heights of cervical vertebra and eyes, and the use method is simple, convenient and quick; because of adopting a mechanical structure driven by manpower, the device is energy-saving and environment-friendly; in addition, the lifting platform comprises a base and a rotary table, the placing angle of the computer display can be adjusted by manually rotating the rotary table, the computer display does not need to be moved, and the computer display after being lifted is prevented from carelessly falling off in the adjusting process to cause the damage of the computer display.
Drawings
Fig. 1 is a top view of the liftable computer desk of the present invention.
Fig. 2 is a cross-sectional view a-a of fig. 1.
Fig. 3 is an enlarged view of the portion L in fig. 2.
Fig. 4 is a schematic structural view of the inner gear ring of the liftable computer desk of the present invention.
Fig. 5 is a schematic structural view of the outer ring gear of the liftable computer desk of the present invention.
Detailed Description
The utility model provides a liftable computer desk, for making the utility model discloses a purpose, technical scheme and effect are clearer, clear and definite, and it is right that the following refers to the attached drawing and the embodiment of lifting the utility model discloses further detailed description. It should be understood that the specific embodiments described herein are merely illustrative of the present invention and are not intended to limit the scope of the invention.
Referring to fig. 1-5, the present invention provides a liftable computer desk, which includes a desk board 1, desk legs 2 for supporting the desk board, a lifting platform 3, an installation chamber 4 disposed on the bottom surface of the desk board, and a lifting device 5 disposed in the installation chamber; the mounting chamber comprises a bottom plate and side plates, the lower parts of the side plates are fixedly connected with the bottom plate, the upper parts of the side plates are fixedly connected with the bottom surface of the table plate, and the bottom plate, the side plates and the bottom surface of the table plate form a component mounting space; the lifting device comprises a lifting mechanism 51 and a hand-operated driving mechanism 52, and the hand-operated driving mechanism is used for driving the lifting mechanism to lift the lifting platform; the lifting platform 3 comprises a base 31 and a rotary table 32 arranged above the base, the base is arranged on the lifting mechanism and is rotatably connected with the rotary table through a rotating shaft 33, a lifting port 11 matched with the rotary table is formed in the table, and the rotary table can penetrate through the lifting port. Because the size of the lifting port is matched with that of the rotary table, the surface of the table plate and the table top of the rotary table are kept on the same horizontal plane in an initial state, a gap between the lifting port and the rotary table is small, and the flatness of the table top is guaranteed.
When the computer desk works, the computer display is placed at the position of the lifting platform, and in an initial state, the table top of the lifting platform and the table top of the table board are on the same horizontal plane. When the height of the computer display needs to be adjusted, the hand-operated driving mechanism is driven in a hand-operated mode and drives the lifting mechanism to perform lifting motion on the lifting platform, the lifting speed in the process is determined by the actual operation of a user, the use height of the computer display can be accurately adjusted to adapt to the heights of cervical vertebra and eyes, and the manual driving mechanical structure is adopted, so that the operation is simple, the adjustment is convenient, the energy is saved, and the environment is protected; in addition, the lifting platform comprises a base and a rotary table, the placing angle of the computer display can be adjusted by manually rotating the rotary table, the computer display does not need to be moved, and the computer display after being lifted is prevented from carelessly falling off in the adjusting process to cause the damage of the computer display.
Referring to fig. 3, specifically, the lifting mechanism includes a bidirectional screw 511 and a first bearing seat 512; the bidirectional screw comprises a forward threaded part and a reverse threaded part, a forward nut is arranged on the forward threaded part, a reverse nut is arranged on the reverse threaded part, and two ends of the bidirectional screw penetrate through the first bearing seat; and guide bases 513 are fixedly arranged on the forward nut and the reverse nut.
Further, the lifting mechanism further comprises a sliding groove 516 arranged at the bottom of the base, two sliding blocks 515 connected to the sliding groove in a sliding manner, and two connecting rods 514; the middle parts of the two connecting rods are hinged with each other to form an X shape; the lower ends of the two connecting rods are respectively hinged with the corresponding guide seats, and the upper ends of the connecting rods are respectively hinged with the corresponding sliding blocks; preferably, the sliding groove is matched with a fixture block in shape, and the fixture block is designed in a shape which can not be separated from the sliding groove. Through the arrangement, when the hand-operated driving mechanism drives the bidirectional screw rod to rotate, the two guide bases are close to or far away from each other to drive the connecting rod to swing, so that the sliding block slides along the sliding groove, and the lifting platform is driven to do lifting motion through height change in the swinging process of the connecting rod. When the two guide seats are close to each other, an included angle formed between the lower parts of the two connecting rods is reduced, and the lifting platform is driven to ascend; when the two guide seats are far away from each other, an included angle formed between the lower parts of the two connecting rods is enlarged, and the lifting platform is driven to descend; the lifting table is simple and stable in structure, stable in lifting and capable of reducing the manufacturing cost of the lifting table.
Specifically, the hand-operated driving mechanism comprises a hand wheel 521, a transverse transmission shaft 522, a vertical transmission shaft 523 and a second bearing seat 524; one end of the transverse transmission shaft is connected with any end of the bidirectional screw through a coupler 525, and the other end of the transverse transmission shaft is provided with a first bevel gear 526; the transverse transmission shaft penetrates through the second bearing block; the upper end of the vertical transmission shaft is connected with a hand wheel, and the lower end of the vertical transmission shaft is provided with a second bevel gear 527; the first bevel gear is in meshed transmission with the second bevel gear. Above-mentioned hand actuating mechanism is driven by user's rotating hand wheel vertical transmission shaft rotates in order to provide power, accomplishes the transmission of power and the change of direction through the bevel gear transmission of horizontal transmission shaft and vertical transmission shaft, simple structure, and relative drive arrangement such as cylinder, motor, the cost is lower, and energy-concerving and environment-protective.
Further, a placing groove 12 for placing a hand wheel and a cover body 13 for covering the placing groove are arranged on the table plate, and the upper end of the vertical transmission shaft penetrates through the placing groove through a bearing; the size of the cover body is matched with the placing groove; preferably, the placement groove is circular. Through the arrangement, as the hand wheel is arranged on the desk plate, a user can rotate the hand wheel while keeping a sitting posture when using the desk plate, so that the computer display can be conveniently adjusted to a proper height to adapt to the heights of cervical vertebra and eyes, and the whole process is in place in one step; after the adjustment is finished, the cover body is covered, so that the table board can be kept flat, and the daily work of a user is not influenced.
Referring to fig. 3 to 5, further, the size of the base is larger than the lifting opening, and when the lifting platform is lifted to a certain height, the base abuts against the table plate to perform a limiting function; the base is in a boss shape, the boss part of the base is a circular boss 311, and the size of the circular boss is smaller than that of the rotary table; a circular groove 321 is formed in the bottom of the rotary table, and the size of the circular groove is matched with that of the circular boss; an inner gear ring 322 is sleeved in the circular groove, and a plurality of elastic gear teeth are arranged on the inner wall of the inner gear ring at equal angles along the circumferential direction; an outer gear ring 312 is sleeved on the circular boss, and a plurality of elastic gear teeth are arranged on the outer wall of the outer gear ring at equal angles along the circumferential direction; the inner gear ring and the outer gear ring are meshed with each other. Further, the outer ring gear and the inner ring gear are both made of elastic materials, preferably, the elastic materials are rubber, and the elastic gear teeth are densely arranged on the outer wall of the outer ring gear and the inner wall of the inner ring gear. Through the arrangement, the outer gear ring and the inner gear ring are meshed with each other to fix the rotary table, so that the rotary table is prevented from being easy to rotate and influencing the daily work of a user. Because the gear teeth of the outer gear ring and the inner gear ring are fine elastic gear teeth and have the properties of elasticity and reversible deformation, a user can apply a certain steering force to the rotary table, so that the rotary table can be rotated, the placing angle of the computer display on the rotary table can be adjusted, and the use is very simple and convenient.
It is understood that equivalent substitutions or changes can be made by those skilled in the art according to the technical solution of the present invention and the inventive concept thereof, and all such changes or substitutions shall fall within the scope of the present invention.
Claims (8)
1. A liftable computer desk is characterized by comprising a desk plate, desk legs for supporting the desk plate, a lifting platform, an installation chamber arranged on the bottom surface of the desk plate and a lifting device arranged in the installation chamber; the lifting device comprises a lifting mechanism and a hand-operated driving mechanism, and the hand-operated driving mechanism is used for driving the lifting mechanism to lift the lifting platform; the lifting platform comprises a base and a rotary table arranged above the base, the base is arranged on the lifting mechanism and is rotatably connected with the rotary table, a lifting port matched with the rotary table is formed in the table, and the rotary table can penetrate through the lifting port.
2. The liftable computer desk of claim 1, wherein the lifting mechanism comprises a bidirectional lead screw, a first bearing seat; the bidirectional screw comprises a forward threaded part and a reverse threaded part, a forward nut is arranged on the forward threaded part, a reverse nut is arranged on the reverse threaded part, and two ends of the bidirectional screw penetrate through the first bearing seat; and guide seats are fixedly arranged on the forward nut and the reverse nut.
3. The liftable computer desk of claim 2, wherein the lifting mechanism further comprises a chute arranged at the bottom of the base, two sliding blocks connected to the chute in a sliding manner, and two connecting rods; the middle parts of the two connecting rods are hinged with each other to form an X shape; the lower ends of the two connecting rods are respectively hinged with the corresponding guide seats, and the upper ends of the connecting rods are respectively hinged with the corresponding sliding blocks.
4. The liftable computer desk of claim 2, wherein the hand-operated driving mechanism comprises a hand wheel, a transverse transmission shaft, a vertical transmission shaft and a second bearing seat; one end of the transverse transmission shaft is connected with any end of the bidirectional screw through a coupler, and the other end of the transverse transmission shaft is provided with a first bevel gear; the transverse transmission shaft penetrates through the second bearing block; the upper end of the vertical transmission shaft is connected with a hand wheel, and the lower end of the vertical transmission shaft is provided with a second bevel gear; the first bevel gear is in meshed transmission with the second bevel gear.
5. The liftable computer desk according to claim 4, wherein a placing groove for placing a hand wheel and a cover body for covering the placing groove are arranged on the desk plate, and the upper end of the vertical transmission shaft penetrates through the placing groove through a bearing; the size of the cover body is matched with the placing groove.
6. The liftable computer desk of claim 1, wherein the base is larger in size than the lifting opening; the base is in a boss shape, the boss part of the base is a circular boss, and the size of the circular boss is smaller than that of the rotary table.
7. The liftable computer desk as claimed in claim 6, wherein a circular groove is formed at the bottom of the rotary table, and the size of the circular groove is matched with that of the circular boss.
8. The liftable computer desk according to claim 7, wherein an inner gear ring is sleeved in the circular groove, and a plurality of elastic gear teeth are arranged on the inner wall of the inner gear ring at equal angles along the circumferential direction; an outer gear ring is sleeved on the circular boss, and a plurality of elastic gear teeth are arranged on the outer wall of the outer gear ring at equal angles along the circumferential direction; the inner gear ring and the outer gear ring are meshed with each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920382806.XU CN209965618U (en) | 2019-03-25 | 2019-03-25 | Liftable computer desk |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920382806.XU CN209965618U (en) | 2019-03-25 | 2019-03-25 | Liftable computer desk |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209965618U true CN209965618U (en) | 2020-01-21 |
Family
ID=69255424
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920382806.XU Expired - Fee Related CN209965618U (en) | 2019-03-25 | 2019-03-25 | Liftable computer desk |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209965618U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111048011A (en) * | 2020-02-21 | 2020-04-21 | 广州进观智能设备有限公司 | Triangular warning board placing device based on artificial intelligence |
| CN113439932A (en) * | 2021-08-18 | 2021-09-28 | 袁乐 | Desktop tilting mechanism of study table and study table thereof |
-
2019
- 2019-03-25 CN CN201920382806.XU patent/CN209965618U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111048011A (en) * | 2020-02-21 | 2020-04-21 | 广州进观智能设备有限公司 | Triangular warning board placing device based on artificial intelligence |
| CN113439932A (en) * | 2021-08-18 | 2021-09-28 | 袁乐 | Desktop tilting mechanism of study table and study table thereof |
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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: 20200121 Termination date: 20210325 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |