CN112137295A - Adjustable desk and chair structure with limiting structure and adjusting method thereof - Google Patents
Adjustable desk and chair structure with limiting structure and adjusting method thereof Download PDFInfo
- Publication number
- CN112137295A CN112137295A CN202010868073.8A CN202010868073A CN112137295A CN 112137295 A CN112137295 A CN 112137295A CN 202010868073 A CN202010868073 A CN 202010868073A CN 112137295 A CN112137295 A CN 112137295A
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- rod
- seat
- connecting rod
- round bar
- desk
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
- A47B41/00—School desks or tables
- A47B41/02—Adjustable, inclinable, sliding or foldable desks tops
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
- A47B39/00—School forms; Benches or forms combined with desks
- A47B39/02—Adjustable forms
Abstract
The invention discloses an adjustable desk and chair structure with a limiting structure and an adjusting method thereof, wherein the adjustable desk and chair structure comprises a desk body, a seat and a connecting mechanism, the seat is slidably arranged on one side of the desk body, and the connecting mechanism is arranged between the desk body and the seat; the invention also discloses an adjustable desk and chair structure with the limiting structure and an adjusting method thereof. The invention has the beneficial effects that: the rotating rod designed by the invention can drive the first sliding block and the second sliding block to move in the rotating process, so that the movable rod can be driven to move upwards, and further, the jacking rod can be driven to jack up the supporting rod upwards, so that the height of a table top can be changed.
Description
Technical Field
The invention belongs to the technical field of school desks and chairs, and particularly relates to an adjustable school desk and chair structure with a limiting structure and an adjusting method thereof.
Background
Most of the time a student spends in front of a desk and chair. Students have long study time on desk every day and are in the key period of physical development. Incorrect sitting posture can cause symptoms such as uncomfortable neck, dizziness, blurred vision, myasthenia of limbs, fatigue, etc. for light people, and diseases such as myopia, humpback, cerebral vasospasm and abnormal spinal curvature for heavy people. The proper and healthy desk and chair is an important external environment for cultivating good sitting postures of students, the distance between eyes and a book is kept at 30-35 cm, the distance between a body and a desk is kept at one palm, and the angle between the book and the desk is kept at 35-40 degrees.
Most of the existing desks and chairs are school desks and chairs with fixed height, which cannot meet the use requirements of students with different heights, for example, the students with higher heights may have bow-back and hunchback, and the students with lower heights may have myopia induced by the fact that the eyes are too close to the desk surface.
Disclosure of Invention
The invention aims to solve the defects in the prior art, and provides an adjustable desk and chair structure with a limiting structure.
In order to achieve the purpose, the invention adopts the following technical scheme:
the adjustable desk and chair structure with the limiting structure comprises a desk body, a seat and a connecting mechanism, wherein the seat is slidably arranged on one side of the desk body, and the connecting mechanism is arranged between the desk body and the seat;
the table body comprises a table plate, a table belly, a base, a supporting rod, a jacking rod, a central rod, a movable rod, a fixed rod, an installation seat, a rotating rod, a first hinged rod, a second hinged rod and a limiting component, wherein rollers are arranged at the bottom end of the base, a sliding cavity is formed in the base, the installation seat is fixedly arranged above the base through the connecting rod, the movable cavity is formed in the installation seat, the rotating rod is rotatably arranged in the movable cavity, the rotating rod penetrates through the installation seat, a first threaded section and a second threaded section are formed in the rotating rod, a first sliding block is arranged on the first threaded section, a second sliding block is arranged on the second threaded section, the bottom end of the central rod is fixedly arranged at the upper end of the installation seat, the top end of the central rod is in threaded connection with the bottom end of the supporting rod, and the top end of the supporting rod is fixedly, the top end of the table belly is fixedly connected to the bottom end of the table plate, a containing cavity is formed in the table belly, two ends of the fixed rod are fixedly mounted at the upper end of the mounting seat through a first connecting rod and a second connecting rod respectively, the central rod penetrates through the fixed rod, the movable rod is located below the fixed rod, the central rod penetrates through the movable rod, two ends of the movable rod are slidably arranged on the first connecting rod and the second connecting rod respectively, two ends of the jacking rod are fixedly arranged on the movable rod through a third connecting rod and a fourth connecting rod respectively, the third connecting rod and the fourth connecting rod penetrate through the fixed rod, the central rod penetrates through the jacking rod, a first fixed block and a second fixed block are fixedly arranged at the lower end of the movable rod, one end of the first hinged rod is hinged to the first sliding block, and the other end of the first hinged rod is hinged to the first fixed block, one end of the second hinge rod is hinged to the second sliding block, and the other end of the second hinge rod is hinged to the second fixed block.
Preferably, the limiting assembly comprises a ball, an inner shell and a limiting rod, wherein the central rod is located on the outer wall of the inner position of the supporting rod, the inner shell is sleeved on the central rod, the inner shell is located inside the supporting rod, a cavity is formed inside the inner shell, the ball is slidably arranged in the screw thread and the cavity, the limiting rod is installed on the supporting rod through the screw thread, the limiting rod is communicated with the inside of the supporting rod, a clamping hole is formed in the side wall of the inner shell, and the limiting rod is located at one end of the inside of the supporting rod and is located in the clamping hole.
Preferably, the seat comprises a backup plate, a seat plate, two holding rods, an electric telescopic rod, a connecting rod, a rotating gear, a pawl, an installation rod and an adjusting rod, wherein one end of the connecting rod is slidably arranged in the sliding cavity, the bottom end of the connecting rod is provided with a roller, one end of the electric telescopic rod is fixedly arranged at the upper end of the connecting rod, the other end of the electric telescopic rod is fixedly connected to the bottom end of the seat plate, the seat plate is of an L-shaped structure, one ends of the two holding rods are fixedly arranged on the seat plate, the two ends of the installation rod are fixedly arranged on the holding rods, the rotating gear is rotatably arranged on the installation rod, one side of the rotating gear is fixedly connected to the side wall of the backup plate, the adjusting rod penetrates through the backup plate, the adjusting rod is rotatably arranged between the two holding rods, and the pawl is fixedly arranged, the pawl is clamped with the rotating gear.
Preferably, the threads of the first thread section are in the opposite direction to the threads of the second thread section.
Preferably, coupling mechanism includes first round roller, first round bar, second round roller, second round bar and conveyer, first round roller rotationally sets up the slip intracavity, the one end fixed connection of first round bar to first round roller, the second round bar rotationally sets up on the lateral wall of bedplate, the second round roller is fixed to be set up on the second round bar, conveyer's a pot head is established on the first round bar, conveyer's the other pot head is established on the second round roller.
Preferably, the direction in which the rotary gear wheels are screwed to the pawls is the same.
The invention also provides an adjusting method of the adjustable desk and chair structure with the limiting structure, which comprises the following steps:
step one, when the height of the desktop needs to be adjusted, the limiting rod is rotated outwards to rotate the rotating rod, further, the first sliding block and the second sliding block can gradually approach along the rotating rod to further drive the movable rod to move upwards, the movable rod can drive the jacking rod to move upwards in the upward movement process, and further drive the supporting rod to move upwards, so that the desktop can be lifted, the limiting rod is rotated inwards to fix the desktop;
when the height of the seat needs to be adjusted, the electric telescopic rod is started, the seat can be driven to move upwards, the adjusting rod is pulled outwards, the pawl is not clamped with the rotating gear at the moment, a student can incline the backup plate according to the requirement of the student, the seat plate can support the backup plate, the adjusting rod is extruded inwards when the student is adjusted to a proper position, and the pawl is clamped with the rotating gear at the moment, so that the position of the backup plate can be fixed;
step three, when the distance between desk and the chair needs to be adjusted, rotate the second round bar, the second round bar can drive the second round roller rotates, because conveyer's effect, and then can drive first round bar rotates, furtherly, first round bar can drive first round roller rotates, thereby first round roller can the sliding cavity moves forward to can change the distance between desk and the chair.
Compared with the prior art, the invention has the beneficial effects that: the rotating rod designed by the invention can drive the first sliding block and the second sliding block to move in the rotating process, so that the movable rod can be driven to move upwards, and further, the jacking rod can be driven to jack up the supporting rod upwards, so that the height of a table top can be changed.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without limiting the invention. In the drawings:
FIG. 1 is a schematic view of a first configuration of the present invention;
FIG. 2 is a schematic structural view of the stop assembly of FIG. 1;
FIG. 3 is a cross-sectional view taken at B-B of FIG. 1;
FIG. 4 is an enlarged view of a portion of FIG. 1 at A;
description of reference numerals: the table comprises a table body 1, a seat 2, a connecting mechanism 3, a limiting component 4, a table plate 11, a table belly 12, a base 13, a supporting rod 14, a jacking rod 15, a central rod 16, a movable rod 17, a fixed rod 18, a mounting seat 19, a rotating rod 110, a first hinged rod 111, a second hinged rod 112, a movable cavity 191, a sliding cavity 131, a first threaded section 113, a second threaded section 114, a first sliding block 115, a second sliding block 116, a first connecting rod 181, a second connecting rod 182, a third connecting rod 183, a fourth connecting rod 184, a backup plate 21, a seat plate 22, a support rod 23, an electric telescopic rod 24, a connecting rod 25, a rotating gear 26, a pawl 28, a mounting rod 29, an adjusting rod 210, a first round roller 31, a first round rod 32, a second round roller 33, a second round rod 34, a conveying belt 35, a ball 41, an inner shell 42 and a limiting rod 43.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The first embodiment is as follows:
referring to fig. 1 to 4, an adjustable desk and chair structure with a limiting structure provided by an embodiment of the present invention includes a desk body 1, a seat 2 and a connecting mechanism 3, wherein the seat 2 is slidably disposed on one side of the desk body 1, and the connecting mechanism 3 is disposed between the desk body 1 and the seat 2;
the table body 1 comprises a table plate 11, a table belly 12, a base 13, a support rod 14, a jacking rod 15, a central rod 16, a movable rod 17, a fixed rod 18, a mounting seat 19, a rotating rod 110, a first hinge rod 111, a second hinge rod 112 and a limiting component 4, the bottom of the base 13 is provided with a roller, the base 13 is internally provided with a sliding cavity 131, the mounting seat 19 is fixedly arranged above the base 13 through a connecting rod, the mounting seat 19 is internally provided with the movable cavity 191, the rotating rod 110 is rotatably arranged in the movable cavity 191, the rotating rod 110 is communicated with the mounting seat 19, the rotating rod 110 is provided with a first thread section 113 and a second thread section 114, the first thread section 113 is provided with the first slider 115, the second thread section 114 is provided with the second slider 116, the bottom end of the central rod 16 is fixedly arranged at the upper end of the mounting seat 19, the top end of the center rod 16 is in threaded connection with the bottom end of the supporting rod 14, the top end of the supporting rod 14 is fixedly connected to the bottom end of the table belly 12, the top end of the table belly 12 is fixedly connected to the bottom end of the table board 11, a containing cavity is formed in the table belly 12, two ends of the fixing rod 18 are fixedly installed at the upper end of the mounting seat 19 through a first connecting rod 181 and a second connecting rod 182 respectively, the center rod 16 penetrates through the fixing rod 18, the movable rod 17 is located below the fixing rod 18, the center rod 16 penetrates through the movable rod 17, two ends of the movable rod 17 are slidably arranged on the first connecting rod 181 and the second connecting rod 182 respectively, two ends of the jacking rod 15 are fixedly arranged on the movable rod 17 through a third connecting rod 183 and a fourth connecting rod 184 respectively, the third connecting rod 183 and the fourth connecting rod 184 penetrate through the fixing rod 18, the central rod 16 penetrates through the lifting rod 15, a first fixed block 117 and a second fixed block 118 are fixedly arranged at the lower end of the movable rod 17, one end of the first hinge rod 111 is hinged to the first sliding block 115, the other end of the first hinge rod 111 is hinged to the first fixed block 117, one end of the second hinge rod 112 is hinged to the second sliding block 116, and the other end of the second hinge rod 112 is hinged to the second fixed block 118.
During specific work, when the desktop height needs to be adjusted, the limiting rod 43 rotates outwards, the rotating rod 110 rotates, further, the thread on the first thread section 113 is opposite to the thread on the second thread section 114, the first sliding block 115 and the second sliding block 116 can be guided to the rotating rod 110 to gradually approach, so that the movable rod 17 can be driven to move upwards, the movable rod 17 can drive the jacking rod 15 to move upwards in the upward movement process, so that the supporting rod 14 can be driven to move upwards, the desktop can be lifted, the limiting rod 43 rotates inwards, the desktop is fixed, and the desktop height can be adjusted.
Example two:
in the first embodiment, there is a problem that the distance between the table and the chair cannot be adjusted, and therefore, the first embodiment further includes: the seat 2 comprises a backup plate 21, a seat plate 22, two handrails 23, electric telescopic rods 24, a connecting rod 25, a rotating gear 26, a pawl 28, a mounting rod 29 and an adjusting rod 210, wherein one end of the connecting rod 25 is slidably arranged in the sliding cavity 131, rollers are arranged at the bottom end of the connecting rod 25, one end of the electric telescopic rod 24 is fixedly arranged at the upper end of the connecting rod 25, the other end of the electric telescopic rod 24 is fixedly connected to the bottom end of the seat plate 22, the seat plate 22 is in an L-shaped structure, one ends of the two handrails 23 are fixedly arranged on the seat plate 22, two ends of the mounting rod 29 are fixedly arranged on the handrails 23, the rotating gear 26 is rotatably arranged on the mounting rod 29, one side of the rotating gear 26 is fixedly connected to the side wall of the backup plate 21, the adjusting rod 210 penetrates through the backup plate 21, the adjusting rod 210 is rotatably arranged between the two handrails 23, the pawl 28 is fixedly installed on the adjusting rod 210, and the pawl 28 is clamped with the rotating gear 26.
Coupling mechanism 3 includes first round roller 31, first round bar 32, second round roller 33, second round bar 34 and conveyer 35, first round roller 31 rotationally sets up in the slip chamber 131, the one end fixed connection of first round bar 32 is to first round roller 31, second round bar 34 rotationally sets up on the lateral wall of bedplate 22, second round roller 33 is fixed to be set up on the second round bar 34, conveyer 35's a pot head is established on first round bar 32, the other pot head of drive belt is established on second round roller 33. The direction of rotation of the gear 26 to the pawl 28 is the same.
When the height of the seat 2 needs to be adjusted, the electric telescopic rod 24 is started, the seat 2 can be driven to move upwards, the adjusting rod 210 is pulled outwards, at the moment, the pawl 28 is not clamped with the rotating gear 26, a student can incline the backup plate 21 according to the requirement of the student, the seat plate 22 can support the backup plate 21, the adjusting rod 210 is extruded inwards when the proper position is adjusted, and at the moment, the pawl 28 is clamped with the rotating gear 26, so that the position of the backup plate 21 can be fixed.
When the distance between desk and the chair needs to be adjusted, rotate second round bar 34, second round bar 34 can drive second round roller 33 rotates, because conveyor 35's effect, and then can drive first round bar 32 rotates, furtherly, first round bar 32 can drive first round roller 31 rotates, thereby first round roller 31 can slide the intracavity forward motion 131 to can change the distance between desk and the chair.
Example three:
referring to fig. 1, in this embodiment, the present invention further provides an adjusting method of an adjustable desk and chair structure with a limiting structure, including the following steps:
step one, when the height of the desktop needs to be adjusted, the limiting rod 43 is rotated outwards to rotate the rotating rod 110, further, the first slider 115 and the second slider 116 gradually approach along the rotating rod 110 to further drive the movable rod 17 to move upwards, and the movable rod 17 drives the lifting rod 15 to move upwards in the process of moving upwards to further drive the supporting rod 14 to move upwards, so that the desktop can be lifted, the limiting rod 43 is rotated inwards to fix the desktop;
step two, when the height of the seat 2 needs to be adjusted, the electric telescopic rod 24 is started, the seat 2 can be driven to move upwards, the adjusting rod 210 is pulled outwards, at the moment, the pawl 28 is not clamped with the rotating gear 26, a student can incline the backup plate 21 according to the requirement of the student, the seat plate 22 can support the backup plate 21, when the proper position is adjusted, the adjusting rod 210 is extruded inwards, at the moment, the pawl 28 is clamped with the rotating gear 26, and therefore the position of the backup plate 21 can be fixed;
step three, when the distance between desk and the chair needs to be adjusted, rotate second round bar 34, second round bar 34 can drive second round roller 33 rotates, because conveyor 35's effect, and then can drive first round bar 32 rotates, furtherly, first round bar 32 can drive first round roller 31 rotates, thereby first round roller 31 can slide the intracavity forward motion to can change the distance between desk and the chair.
The invention has the beneficial effects that: the rotating rod 110 designed by the invention can drive the first sliding block 115 and the second sliding block 116 to move in the rotating process, so that the movable rod 17 can be driven to move upwards, and further the jacking rod 15 can be driven to jack up the supporting rod 14, so that the height of a table top can be changed.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (7)
1. Regulation formula desk chair structure with limit structure, its characterized in that: the table comprises a table body (1), a seat (2) and a connecting mechanism (3), wherein the seat (2) is slidably arranged on one side of the table body (1), and the connecting mechanism (3) is arranged between the table body (1) and the seat (2);
the table body (1) comprises a table plate (11), a table belly (12), a base (13), a support rod (14), a jacking rod (15), a center rod (16), a movable rod (17), a fixed rod (18), a mounting seat (19), a rotating rod (110), a first hinge rod (111), a second hinge rod (112) and a limiting component (4), wherein rollers are arranged at the bottom end of the base (13), a sliding cavity (131) is formed in the base (13), the mounting seat (19) is fixedly arranged above the base (13) through a connecting rod, a movable cavity (191) is formed in the mounting seat (19), the rotating rod (110) is rotatably arranged in the movable cavity (191), the rotating rod (110) penetrates through the mounting seat (19), and a first thread section (113) and a second thread section (114) are formed in the rotating rod (110), be equipped with first slider (115) on first screw thread section (113), be equipped with second slider (116) on second screw thread section (114), the bottom fixed mounting of well core rod (16) is in the upper end of mount pad (19), the top of well core rod (16) with the bottom threaded connection of bracing piece (14), the top fixed connection of bracing piece (14) to the bottom of table tripe (12), the top fixed connection of table tripe (12) to the bottom of table (11), the chamber is accomodate to table tripe (12) inside having seted up, the both ends of dead lever (18) are respectively through first connecting rod (181) and second connecting rod (182) fixed mounting in the upper end of mount pad (19), well core rod (16) link up dead lever (18), movable rod (17) are located dead lever (18) below, well core rod (16) link up movable rod (17), two ends of the movable rod (17) are respectively arranged on the first connecting rod (181) and the second connecting rod (182) in a sliding way, two ends of the jacking rod (15) are respectively and fixedly arranged on the movable rod (17) through a third connecting rod (183) and a fourth connecting rod (184), the third connecting rod (183) and the fourth connecting rod (184) both penetrate through the fixing rod (18), the central rod (16) penetrates through the jacking rod (15), the lower end of the movable rod (17) is fixedly provided with a first fixed block (117) and a second fixed block (118), one end of the first hinge lever (111) is hinged to the first slider (115), the other end of the first hinge rod (111) is hinged to the first fixing block (117), one end of the second hinge lever (112) is hinged to the second slider (116), the other end of the second hinge rod (112) is hinged to the second fixing block (118).
2. An adjustable desk and chair structure with a spacing structure as claimed in claim 1, wherein: spacing subassembly (4) include ball (41), interior casing (42) and gag lever post (43), well core rod (16) are located set up threaded on the outer wall of bracing piece (14) inside position, interior casing (42) cover is established well core rod (16) is last, interior casing (42) are located inside bracing piece (14), the cavity has been seted up to interior casing (42) inside, ball (41) slidable ground sets up the screw thread with in the cavity, gag lever post (43) are installed through the screw thread on bracing piece (14), gag lever post (43) link up extremely inside bracing piece (14), the joint hole has been seted up on interior casing (42) lateral wall, gag lever post (43) are located the inside one end of bracing piece (14) is located the joint is downthehole.
3. An adjustable desk and chair structure with a spacing structure as claimed in claim 1, wherein: the seat (2) comprises a backup plate (21), a seat plate (22), support rods (23), an electric telescopic rod (24), a connecting rod (25), a rotating gear (26), a pawl (28), an installation rod (29) and an adjusting rod (210), wherein one end of the connecting rod (25) is slidably arranged in the sliding cavity (131), a roller is arranged at the bottom end of the connecting rod (25), one end of the electric telescopic rod (24) is fixedly arranged at the upper end of the connecting rod (25), the other end of the electric telescopic rod (24) is fixedly connected to the bottom end of the seat plate (22), the seat plate (22) is of an L-shaped structure, one ends of the two support rods (23) are fixedly arranged on the seat plate (22), two ends of the installation rod (29) are fixedly arranged on the support rods (23), the rotating gear (26) is rotatably arranged on the installation rod (29), one side of the rotating gear (26) is fixedly connected to the side wall of the backup plate (21), the adjusting rod (210) penetrates through the backup plate (21), the adjusting rod (210) is rotatably arranged between the two support rods (23), the pawl (28) is fixedly installed on the adjusting rod (210), and the pawl (28) is clamped with the rotating gear (26).
4. An adjustable desk and chair structure with a spacing structure as claimed in claim 1, wherein: the threads of the first thread segments (113) are in the opposite direction to the threads of the second thread segments (114).
5. An adjustable desk and chair structure with a spacing structure as claimed in claim 1, wherein: coupling mechanism (3) include first round roller (31), first round bar (32), second round roller (33), second round bar (34) and conveyer (35), first round roller (31) rotationally sets up in slip chamber (131), the one end fixed connection of first round bar (32) to first round roller (31), second round bar (34) rotationally set up on the lateral wall of bedplate (22), second round roller (33) are fixed to be set up on second round bar (34), a pot head of conveyer (35) is established on first round bar (32), the other end cover of driving belt is established on second round roller (33).
6. An adjustable desk and chair structure with a spacing structure as claimed in claim 3, wherein: the rotating gear (26) is rotated in the same direction to the pawl (28).
7. An adjustment method for an adjustable desk and chair structure with a spacing structure as claimed in any one of claims 1-6, comprising the steps of:
step one, when the height of a desktop needs to be adjusted, the limiting rod (43) is rotated outwards, the rotating rod (110) is rotated, further, the first sliding block (115) and the second sliding block (116) can gradually approach each other along the rotating rod (110), and then the movable rod (17) can be driven to move upwards, the lifting rod (15) can be driven to move upwards by the movable rod (17) in the upward movement process, and then the supporting rod (14) can be driven to move upwards, so that the desktop can be lifted, the limiting rod (43) is rotated inwards, and the desktop is fixed;
step two, when the height of the seat (2) needs to be adjusted, the electric telescopic rod (24) is started, the seat (2) can be driven to move upwards, the adjusting rod (210) is pulled outwards, at the moment, the pawl (28) is not clamped with the rotating gear (26), a student can incline the backup plate (21) according to the self requirement, the seat plate (22) can support the backup plate (21), when the proper position is adjusted, the adjusting rod (210) is extruded inwards, at the moment, the pawl (28) is clamped with the rotating gear (26), and therefore the position of the backup plate (21) can be fixed;
step three, when the distance between desk and the chair needs to be adjusted, rotate second round bar (34), second round bar (34) can drive second round roller (33) rotate, because conveyer (35)'s effect, and then can drive first round bar (32) rotate, furtherly, first round bar (32) can drive first round roller (31) rotate, thereby first round roller (31) can slide chamber (131) interior forward motion to can change the distance between desk and the chair.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010868073.8A CN112137295A (en) | 2020-08-26 | 2020-08-26 | Adjustable desk and chair structure with limiting structure and adjusting method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010868073.8A CN112137295A (en) | 2020-08-26 | 2020-08-26 | Adjustable desk and chair structure with limiting structure and adjusting method thereof |
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| CN112137295A true CN112137295A (en) | 2020-12-29 |
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| CN202010868073.8A Pending CN112137295A (en) | 2020-08-26 | 2020-08-26 | Adjustable desk and chair structure with limiting structure and adjusting method thereof |
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| CN112826216A (en) * | 2020-12-31 | 2021-05-25 | 重庆工程职业技术学院 | Financial risk early warning management device |
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| CN107568962A (en) * | 2017-10-12 | 2018-01-12 | 钦州学院 | Integral type desk and chair |
| CN208064862U (en) * | 2018-03-15 | 2018-11-09 | 深圳市中南活力实业股份有限公司 | The pre- adjustable desk and chair of myopia prevention |
| CN208925395U (en) * | 2018-07-01 | 2019-06-04 | 南宁贯凯办公家具有限公司 | A kind of Desk capable for rising and falling chair for facilitating student to use |
| CN209058327U (en) * | 2018-08-31 | 2019-07-05 | 武汉交通职业学院 | A kind of multifunctional all desk and chair |
| CN209573804U (en) * | 2018-12-24 | 2019-11-05 | 合肥星火工贸有限公司 | A kind of adjustable desk and chair |
| CN210581614U (en) * | 2019-01-04 | 2020-05-22 | 舒云轩 | Desk and chair |
| CN210902156U (en) * | 2019-03-08 | 2020-07-03 | 云南佐恒教学设备有限公司 | Elliptical tube lifting desk and chair capable of preventing myopia |
| JP6569836B1 (en) * | 2019-04-17 | 2019-09-04 | 厦門▲てき▼湾電脳有限公司 | Dustproof computer desk |
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| CN112826216A (en) * | 2020-12-31 | 2021-05-25 | 重庆工程职业技术学院 | Financial risk early warning management device |
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