CN215304336U - Lifting screw rod device for learning chair - Google Patents
Lifting screw rod device for learning chair Download PDFInfo
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- CN215304336U CN215304336U CN202121581194.0U CN202121581194U CN215304336U CN 215304336 U CN215304336 U CN 215304336U CN 202121581194 U CN202121581194 U CN 202121581194U CN 215304336 U CN215304336 U CN 215304336U
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- screw rod
- seat
- rotating shaft
- lifting
- learning chair
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Abstract
The utility model discloses a lifting lead screw device for a learning chair, which is arranged on a lifting structure of the learning chair and comprises a protective sleeve, a combined sliding seat, a lower fixed seat and an upper fixed seat which are sequentially arranged from bottom to top, wherein a lead screw is arranged in the protective sleeve, the combined sliding seat surrounds the lead screw, the combined sliding seat is in threaded connection with the lead screw, the protective sleeve is clamped with the combined sliding seat, a rotating shaft is rotatably arranged between the upper fixed seat and the lower fixed seat and is connected with the lead screw through a bolt, a handle is arranged at the top of the rotating shaft, which extends out of the upper fixed seat, and the rotating shaft is rotated through the handle and drives the lead screw to rotate so as to control the lifting of the learning chair. The lifting screw rod device for the learning chair is arranged on the lifting upright rod of the learning chair, the screw rod is connected with the movable cylinder or the fixed cylinder of the lifting upright rod according to actual requirements, the protective sleeve is connected with the fixed cylinder or the movable cylinder of the lifting upright rod, the rotating shaft is rotated through the hand wheel, and the screw rod is driven to rotate and move up and down, so that the purpose of lifting adjustment of the learning chair is achieved, the adjustment is convenient, and the time and the labor are saved.
Description
Technical Field
The utility model belongs to the technical field of parts of a learning chair, and particularly relates to a lifting screw rod device for the learning chair.
Background
The study chair is visible everywhere in life, but present study chair can only manually carry out lift adjustment usually, and it wastes time and energy to adjust, and the stability is not high, and work efficiency is low, and the practicality remains further to be improved.
SUMMERY OF THE UTILITY MODEL
In order to solve the problems in the prior art, the utility model aims to provide a lifting screw rod device for a learning chair.
In order to achieve the purpose and achieve the technical effect, the utility model adopts the technical scheme that:
the utility model provides a study is lift lead screw device for chair, installs on the liftable structure of study chair, includes by lower supreme protective sleeve, combination slide, lower fixing base and the last fixing base that sets gradually, set up the lead screw in the protective sleeve, the combination slide encircles on the lead screw, makes up slide and lead screw threaded connection, and the protective sleeve top and combination slide top joint go up rotatable pivot that is provided with between fixing base and the lower fixing base, and the pivot is passed through the bolt and is connected with the lead screw, and the top that the fixing base was stretched out in the pivot sets up the handle, and it is rotatory through the rotatory pivot of handle and drive lead screw, the lift of control study chair.
Further, the protective sleeve is hollow cuboid structure, and the protective sleeve is close to the top position and sets up the fixed plate, and recess looks adaptation and joint that set up on fixed plate and the combination slide realize the fixed connection of protective sleeve and combination slide in the recess, and the symmetry sets up the mounting hole on the fixed plate.
Further, the combination slide includes relative top shoe of face and lower slide, set up the internal thread hole with the lead screw adaptation on the relative face of top shoe and lower slide respectively, top shoe and lower slide face are relative and enclose into the circular space that holds the lead screw through two internal thread holes.
Further, go up the fixing base and set up the mounting hole that is used for the pivot to run through respectively with lower fixing base middle part, go up the fixing base four corners and set up a fixing base mounting hole respectively, set up two and the fixing base screw hole of fixing base mounting hole adaptation along diagonal direction on the lower fixing base, the one side of fixing base orientation upper fixing base sets up two blind holes that have the internal screw thread along another diagonal direction down for the realization is connected of fixing base and lower fixing base.
Furthermore, the central position of the rotating shaft is provided with a step, and an upper bearing used for fixing the upper fixing seat is arranged on the step.
Furthermore, screw rod threaded holes are respectively formed in the top of the screw rod and the bottom of the rotating shaft, and two opposite ends of the bolt are respectively screwed into the screw rod threaded holes in the top of the screw rod and the bottom of the rotating shaft, so that the rotating shaft is connected with the screw rod.
Furthermore, a screw rod threaded hole is formed in the top of the screw rod, an inner hexagonal hole is formed in the bottom of the rotating shaft, the inner hexagonal hole is matched with the screw head appearance structure on the bolt, one end of the bolt is screwed into the screw rod threaded hole of the screw rod, and the rotating shaft is inserted into the screw head at the other end, opposite to the bolt, of the bolt, so that the rotating shaft is connected with the screw rod.
Further, the bottom of the screw rod is provided with a first groove, the first groove is sleeved with a first limiting plate and a second limiting plate, the first limiting plate and the second limiting plate are opposite in face to face and are spliced together, and the protective sleeve covers the first limiting plate and the second limiting plate, so that the screw rod and the protective sleeve are coaxially arranged.
Compared with the prior art, the utility model has the beneficial effects that:
the utility model discloses a lifting lead screw device for a learning chair, which is arranged on a lifting structure of the learning chair and comprises a protective sleeve, a combined sliding seat, a lower fixed seat and an upper fixed seat which are sequentially arranged from bottom to top, wherein a lead screw is arranged in the protective sleeve, the combined sliding seat surrounds the lead screw, the combined sliding seat is in threaded connection with the lead screw, the top of the protective sleeve is clamped with the top of the combined sliding seat, a rotating shaft is rotatably arranged between the upper fixed seat and the lower fixed seat and is connected with the lead screw through a bolt, a handle is arranged at the top of the rotating shaft, which extends out of the upper fixed seat, and the rotating shaft is rotated through the handle and drives the lead screw to rotate so as to control the lifting of the learning chair. The lifting screw rod device for the learning chair is arranged on the lifting upright rod of the learning chair, the screw rod can be connected with the movable cylinder or the fixed cylinder of the lifting upright rod according to actual requirements, the protective sleeve is connected with the fixed cylinder or the movable cylinder of the lifting upright rod, the rotating shaft is rotated through the hand wheel, the screw rod is driven to rotate and move up and down, the purpose of lifting adjustment of the learning chair is further achieved, adjustment is convenient, and time and labor are saved.
Drawings
FIG. 1 is an external view of the present invention;
FIGS. 2-5 are exploded views of the present invention, respectively;
FIG. 6 is a schematic perspective view of the sheath tube of the present invention;
FIG. 7 is a schematic perspective view of a first and second limiting plate of the present invention;
FIG. 8 is a schematic perspective view of the upper fixing base of the present invention;
fig. 9 is a schematic perspective view of the lower fixing base of the present invention.
Detailed Description
The following detailed description of the embodiments of the present invention is provided to enable those skilled in the art to more easily understand the advantages and features of the present invention, and to clearly and clearly define the scope of the present invention.
As shown in fig. 1-9, a lifting screw rod device for a learning chair is installed on a lifting structure of the learning chair and used for achieving the purpose of lifting adjustment of the learning chair, and comprises a protective sleeve 1, a combined sliding seat, a lower fixing seat 7 and an upper fixing seat 8 which are sequentially arranged from bottom to top, wherein a screw rod 2 is arranged in the protective sleeve 1, the combined sliding seat surrounds the screw rod 2, the combined sliding seat is in threaded connection with the screw rod 2, the top of the protective sleeve 1 is connected with the top of the combined sliding seat in a clamping manner, a rotating shaft 11 is rotatably arranged between the upper fixing seat 8 and the lower fixing seat 7, the rotating shaft 11 is connected with the top of the screw rod 2 through a bolt 10, a hexagonal hole position is arranged at the top of the rotating shaft 11, which extends out of the upper fixing seat 8, and is used for installing a handle, and the rotating shaft 11 is rotated through the handle and drives the screw rod 2 to rotate, thereby achieving lifting adjustment of the learning chair.
As a specific embodiment, the lifting screw rod device for the learning chair is mounted on a lifting upright of the learning chair, the lifting upright comprises a movable cylinder and a fixed cylinder, the movable cylinder and the fixed cylinder are in sleeve fit, and the movable cylinder can slide back and forth along the length direction of the fixed cylinder, so that the height of the learning chair can be adjusted.
When the lifting screw rod device for the learning chair is applied and installed, the following two installation modes are provided:
1. the screw rod 2 is connected with the movable cylinder, and the protecting sleeve 1 is connected with the fixed cylinder. Wherein, the connection of 2 parts of lead screw is: the bolt 10 passes through the lower fixed seat 7 and the upper fixed seat 8 to be connected with the movable cylinder; the connection of the sheath pipe 1 part is specifically as follows: the fixed connection with the fixed cylinder is realized through the top plug at the bottom of the protective pipe sleeve 1. When the screw rod 2 rotates and moves up and down, the movable cylinder moves synchronously and slides back and forth along the length direction of the fixed cylinder, so that the height of the learning chair can be adjusted;
2. the screw rod 2 is connected with the fixed cylinder, and the protecting sleeve 1 is connected with the movable cylinder. Wherein, the connection of 2 parts of lead screw is: the bolt 10 penetrates through the lower fixed seat 7 and the upper fixed seat 8 to be connected with the fixed cylinder; the connection of the sheath pipe 1 part is specifically as follows: the fixed connection with the movable cylinder is realized through the top plug at the bottom of the protective pipe sleeve 1. When the screw rod 2 rotates and moves up and down, the protective pipe sleeve 1 and the movable cylinder move, so that the height of the learning chair can be adjusted.
The combined sliding seat comprises an upper sliding seat 5 and a lower sliding seat 4, the surfaces of the upper sliding seat 5 and the lower sliding seat 4 are opposite, an internal thread hole matched with the screw rod 2 is formed in each of the surfaces of the upper sliding seat 5 and the lower sliding seat 4, and the upper sliding seat 5 and the lower sliding seat 4 are opposite in surface and enclose a circular space for accommodating the screw rod 2 through the two internal thread holes.
During actual installation, a pair of screws penetrate through the upper fixing seat 8 and the lower fixing seat 7 to be in threaded connection, so that the upper fixing seat 8 and the lower fixing seat 7 are fixedly installed, and a pair of screws penetrate through the lower fixing seat 7 and the upper fixing seat 8 and then are fixedly connected with a lifting vertical rod of a learning chair (the screws can be selectively connected with the fixed cylinder/the movable sleeve according to different installation modes), so that the lifting of the movable sleeve on the chair is controlled after the screw rod 2 rotates relative to the protective sleeve 1.
The central position of the rotating shaft 11 is provided with a step, and an upper bearing 12 used for fixing the upper fixed seat 8 is arranged on the step.
The connection between the rotating shaft 11 and the screw rod 2 mainly comprises the following two modes:
1. a screw rod threaded hole is formed in the top of the screw rod 2, an inner hexagonal hole is formed in the bottom of the rotating shaft 11, the inner hexagonal hole is matched with the shape structure of a screw head on the bolt 10, one end of the bolt 10 is screwed into the screw rod threaded hole of the screw rod 2, and the rotating shaft 11 is inserted into the screw head at the other end, opposite to the bolt 10, of the bolt, so that the rotating shaft 11 is connected with the screw rod 2;
2. screw rod threaded holes are respectively formed in the top of the screw rod 2 and the bottom of the rotating shaft 11, and two opposite ends of the bolt 10 are respectively screwed into the screw rod threaded holes in the top of the screw rod 2 and the bottom of the rotating shaft 11, so that the rotating shaft 11 is connected with the screw rod 2.
The bottom of the screw rod 2 is provided with a first groove 17, the first groove 17 is sleeved with a first limiting plate 13 and a second limiting plate 14, the first limiting plate 13 and the second limiting plate 14 are opposite in face and spliced together, the protective sleeve 1 covers the screw rod 2 and then can cover the first limiting plate 13 and the second limiting plate 14, the outer wall of the first limiting plate 13 and the outer wall of the second limiting plate 14 contact with the inner wall of the protective sleeve 1, and the screw rod 2 and the protective sleeve 1 are coaxially arranged.
The one side of the first limiting plate 13 towards the second limiting plate 14 is provided with a protrusion 15 and an empty groove 16, the one side of the second limiting plate 14 towards the first limiting plate 13 is provided with an empty groove 16 matched with the protrusion 15 and a protrusion 15 matched with the empty groove 16, the protrusion on the first limiting plate 13 is clamped in the empty groove 16 on the second limiting plate 14, and the protrusion 15 on the second limiting plate 14 is clamped in the empty groove 16 on the first limiting plate 13.
The outer wall of the protective sleeve 1 is coated with an anion release layer with the thickness of 2-5mm, and an insect repelling layer with the thickness of 2-4mm is arranged outside the anion release layer.
The parts of the utility model not specifically described can be realized by adopting the prior art, and the details are not described herein.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes performed by the present specification and drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (8)
1. The utility model provides a study is lift lead screw device for chair, its characterized in that installs in the liftable structure of study chair, includes by lower supreme protective sleeve, combination slide, lower fixing base and the last fixing base that sets gradually, set up the lead screw in the protective sleeve, the combination slide encircles on the lead screw, makes up slide and lead screw threaded connection, and the protective sleeve top and combination slide top joint go up the rotatable pivot that is provided with between fixing base and the lower fixing base, and the pivot is passed through the bolt and is connected with the lead screw, and the top that the fixing base was stretched out in the pivot sets up the handle, and it is rotatory through the rotatory pivot of handle and drive lead screw, the lift of control study chair.
2. The lifting screw rod device for the learning chair according to claim 1, wherein the protecting tube is a hollow cuboid structure, a fixing plate is arranged at a position, close to the top, of the protecting tube, the fixing plate is matched with and clamped in a groove formed in the combined sliding seat, so that the protecting tube and the combined sliding seat are fixedly connected, and mounting holes are symmetrically formed in the fixing plate.
3. The lifting screw rod device for the learning chair according to claim 1 or 2, wherein the combined slide seat comprises an upper slide seat and a lower slide seat which are opposite in surface, the opposite surfaces of the upper slide seat and the lower slide seat are respectively provided with an internal thread hole matched with the screw rod, and the upper slide seat and the lower slide seat are opposite in surface and enclose a circular space for accommodating the screw rod through the two internal thread holes.
4. The lifting screw rod device for the learning chair according to claim 1, wherein the middle parts of the upper fixing seat and the lower fixing seat are respectively provided with a mounting hole for the rotation shaft to pass through, four corners of the upper fixing seat are respectively provided with a fixing seat mounting hole, the lower fixing seat is provided with two fixing seat threaded holes matched with the fixing seat mounting holes along a diagonal direction, and one surface of the lower fixing seat facing the upper fixing seat is provided with two blind holes along the other diagonal direction.
5. The lifting screw rod device for the learning chair as claimed in claim 1, wherein a step is provided at the center of the rotating shaft, and an upper bearing for fixing the upper fixing seat is mounted on the step.
6. The lifting screw rod device for the learning chair as claimed in claim 1, wherein the top of the screw rod and the bottom of the rotating shaft are respectively provided with screw rod threaded holes, and two opposite ends of the bolt are respectively screwed into the screw rod threaded holes at the top of the screw rod and the bottom of the rotating shaft to realize the connection of the rotating shaft and the screw rod.
7. The lifting screw rod device for the learning chair as claimed in claim 1, wherein a screw rod threaded hole is formed in the top of the screw rod, a hexagonal socket is formed in the bottom of the rotating shaft, the hexagonal socket is matched with the screw head on the bolt in shape, one end of the bolt is screwed into the screw rod threaded hole of the screw rod, and the rotating shaft is inserted into the screw head at the other end opposite to the bolt, so that the rotating shaft is connected with the screw rod.
8. The lifting screw rod device for the learning chair according to claim 1, wherein a first groove is formed in the bottom of the screw rod, a first limiting plate and a second limiting plate are sleeved on the first groove, the first limiting plate and the second limiting plate are opposite in surface and spliced together, and the protective sleeve covers the first limiting plate and the second limiting plate to ensure that the screw rod and the protective sleeve are coaxially arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121581194.0U CN215304336U (en) | 2021-07-13 | 2021-07-13 | Lifting screw rod device for learning chair |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121581194.0U CN215304336U (en) | 2021-07-13 | 2021-07-13 | Lifting screw rod device for learning chair |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215304336U true CN215304336U (en) | 2021-12-28 |
Family
ID=79566800
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121581194.0U Active CN215304336U (en) | 2021-07-13 | 2021-07-13 | Lifting screw rod device for learning chair |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215304336U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114451751A (en) * | 2022-04-11 | 2022-05-10 | 常州市凯迪电器股份有限公司 | Drive assembly of linear driver, linear driver and electric lifting seat |
-
2021
- 2021-07-13 CN CN202121581194.0U patent/CN215304336U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114451751A (en) * | 2022-04-11 | 2022-05-10 | 常州市凯迪电器股份有限公司 | Drive assembly of linear driver, linear driver and electric lifting seat |
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| GR01 | Patent grant | ||
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Address after: 215000 18 / F, building 5, Pingshang commercial center, 1168 Xiangcheng Avenue, Xiangcheng District, Suzhou City, Jiangsu Province Patentee after: Aiguole Technology Co.,Ltd. Address before: 215000 18 / F, building 5, Pingshang commercial center, 1168 Xiangcheng Avenue, Xiangcheng District, Suzhou City, Jiangsu Province Patentee before: Suzhou aiguole Technology Co.,Ltd. Address after: 215000 18 / F, building 5, Pingshang commercial center, 1168 Xiangcheng Avenue, Xiangcheng District, Suzhou City, Jiangsu Province Patentee after: Suzhou aiguole Technology Co.,Ltd. Address before: 215000 18 / F, building 5, Pingshang commercial center, 1168 Xiangcheng Avenue, Xiangcheng District, Suzhou City, Jiangsu Province Patentee before: Suzhou Agole Technology Co.,Ltd. |