阅读说明：本技术 一种自动回位智能办公椅 (Automatic return intelligence office chair ) 是由 王志浩 于 2019-11-08 设计创作，主要内容包括：本发明公开了一种自动回位智能办公椅,包括座椅、立柱和底盘,所述座椅底部转动安装有立柱,所述立柱底部一端固定连接有底盘,所述座椅底部设置有重力感应装置,所述底盘上表面设置有回转组件,所述重力感应装置包括定位板,所述定位板上表面对称设置有两组重力感应开关,所述座椅底部居中位置固定安装有导杆,所述导杆滑动安装于立柱一端内,所述立柱一端和座椅底部之间设置有第一弹簧,所述回转组件包括伺服电机,所述伺服电机输出轴端固定安装有第一齿轮,所述固定轴一端固定安装有第二齿轮,所述第一齿轮和第二齿轮啮合,使其能够进行初始位置的记忆,自动恢复便便于会议室的整理摆放,缩短人工耗时。(The invention discloses an automatic-return intelligent office chair, which comprises a chair, an upright post and a chassis, wherein the bottom of the chair is rotatably provided with the upright post, one end of the bottom of the upright post is fixedly connected with the chassis, the bottom of the chair is provided with a gravity sensing device, the upper surface of the chassis is provided with a rotary assembly, the gravity sensing device comprises a positioning plate, the upper surface of the positioning plate is symmetrically provided with two groups of gravity sensing switches, the middle position of the bottom of the chair is fixedly provided with a guide rod, the guide rod is slidably arranged in one end of the upright post, a first spring is arranged between one end of the upright post and the bottom of the chair, the rotary assembly comprises a servo motor, the output shaft of the servo motor is fixedly provided with a first gear, one end of a fixed shaft is fixedly provided with a second gear, the automatic recovery is convenient for arranging and placing meeting rooms, and the labor consumption is reduced.)

1. The utility model provides an automatic return intelligence office chair, includes seat (1), stand (2) and chassis (3), its characterized in that: an upright post (2) is rotatably mounted at the bottom of the seat (1), one end of the bottom of the upright post (2) is fixedly connected with a chassis (3), a gravity sensing device (4) is arranged at the bottom of the seat (1), and a rotary assembly (5) is arranged on the upper surface of the chassis (3);

the gravity sensing device (4) comprises a positioning plate (401), two groups of gravity sensing switches (402) are symmetrically arranged on the upper surface of the positioning plate (401), a guide rod (403) is fixedly arranged in the middle of the bottom of the seat (1), the guide rod (403) is slidably arranged in one end of the upright post (2), and a first spring (404) is arranged between one end of the upright post (2) and the bottom of the seat (1);

the rotary component (5) comprises a servo motor (501), a first gear (502) is fixedly mounted at an output shaft end of the servo motor (501), a fixed shaft (503) is fixedly mounted on the upper surface of the chassis (3), a second gear (504) is fixedly mounted at one end of the fixed shaft (503), the first gear (502) is meshed with the second gear (504), a rotating shaft (505) is arranged on one side of the fixed shaft (503), a third gear (506) is fixedly mounted at one end of the rotating shaft (505), the third gear (506) is meshed with the second gear (504), an encoder (507) is connected at one end of the third gear (506), and the encoder (507) is electrically connected with the servo motor (501);

an electric push rod (6) is fixedly installed at the bottom of the chassis (3), the servo motor (501) is installed in the chassis (3) in a sliding mode, the output shaft end of the electric push rod (6) is fixedly connected with one side of the servo motor (501), and the electric push rod (6) is electrically connected with the gravity sensing switch (402);

chassis (3) bottom annular equidistance array has self-driven universal wheel (10), chassis (3) bottom fixed mounting has photoelectric sensing switch (11), self-driven universal wheel (10) and photoelectric sensing switch (11) electric connection.

2. The intelligent self-return office chair of claim 1, wherein: the guide rod (403) is positioned at one end inside the upright post (2), and a linear bearing (405) is fixedly installed at one end inside the upright post (2), and the linear bearing (405) is connected with the upright post (2) in a sliding manner.

3. The intelligent self-return office chair of claim 1, wherein: seat (1) lower surface annular equidistant array has four telescopic link (7), the equal fixed mounting in telescopic link (7) bottom has gyro wheel (8), gyro wheel (8) and locating plate (401) tangent setting.

4. The intelligent self-return office chair of claim 3, wherein: the telescopic rod (7) comprises a sliding sleeve (701), the sliding sleeve (701) is fixedly installed on the lower surface of the seat (1), a second spring (702) is arranged in the sliding sleeve (701), a sliding rod (703) is fixedly installed at one end of the spring (702), and the roller (8) is fixedly installed at one end of the sliding rod (703).

5. The intelligent self-return office chair of claim 1, wherein: a counter bore (201) is formed in one end, close to the chassis (3), of the stand column (2), one end of the fixing shaft (503) is in clearance fit with the counter bore (201), a pin shaft (202) penetrates through the counter bore (201), the pin shaft (202) also penetrates through the fixing shaft (503) at the same time, and a nut (203) is connected to one end of the pin shaft (202) in a threaded mode.

6. The intelligent self-return office chair of claim 1, wherein: a sliding groove (301) is formed in one side of the bottom of the chassis (3), a connecting plate (508) is fixedly mounted on one side of the servo motor (501), and the connecting plate (508) is in clearance fit with the sliding groove (301).

7. The intelligent self-return office chair of claim 1, wherein: l-shaped supports (601) are symmetrically installed on two sides of the electric push rod (6), the L-shaped supports (601) are fixedly installed at the bottom of the chassis (3), the output shaft end of the electric push rod (6) is in threaded connection with a joint (602), and the joint (602) is fixedly connected with one side of the connecting plate (508).

8. The intelligent self-return office chair of claim 1, wherein: and a support (509) is fixedly arranged at the bottom of the encoder (507).

9. The intelligent self-return office chair of claim 1, wherein: the upper surface of the chassis (3) is fixedly provided with a protective housing (9), a through hole (12) is formed in the center of the top of the protective housing (9), and the stand column (2) penetrates through the through hole (12).

Technical Field

The invention belongs to the technical field of office chairs, and particularly relates to an intelligent office chair capable of automatically returning.

Background

An office chair refers to various chairs which are convenient for work in daily work and social activities. Office chairs are classified into a narrow office chair and a generalized office chair, the narrow office chair refers to a backrest chair on which a person sits when working on a desktop in a sitting posture, and the generalized office chair is all chairs used in offices and comprises a large office chair, a middle office chair, a guest-meeting chair, a staff chair, a conference chair, a visitor chair, a training chair and the like. From the viewpoint of material composition, it can be divided into: genuine leather office chair, PU leather office chair, cloth cover office chair, screen cloth office chair, plastics office chair etc.. From the point of view of the type of use, it can be divided into: executive chairs, work chairs, office chairs, executive chairs, meeting chairs, guest-meeting chairs, ergonomic chairs, etc. From the use occasion, the office, the open-type office of staff, the conference room, the reading room, the book and data room, the training classroom, the laboratory, the dormitory of the staff, the dining room of the staff and the like are mainly provided.

Office chair is more and more extensive in the application of meeting room, but after meeting at every turn, all need the manual work to return the normal position with office chair, and the personnel of participating in are more, arrange up consuming time more for a long time, and the manual work is put, and not necessarily get back to initial point completely, and interval can not be unified between the office chair, makes the regularity of whole meeting room receive the influence.

Therefore, the intelligent office chair with the automatic return function is provided to solve the problems in the prior art, so that the intelligent office chair can memorize the initial position, and automatically recover to facilitate arrangement and placement of meeting rooms after the intelligent office chair is used by a self-driving device, and the labor consumption is reduced.

Disclosure of Invention

The invention aims to provide an intelligent office chair capable of automatically returning, which aims to solve the problems that in the prior art, the longer the arrangement time is, the manual arrangement is not necessary to return to the initial point completely, and the distances among the office chairs cannot be unified, so that the uniformity of the whole conference room is influenced.

In order to achieve the purpose, the invention adopts the following technical scheme:

an automatic return intelligent office chair comprises a chair, a stand column and a chassis, wherein the stand column is rotatably arranged at the bottom of the chair, one end of the bottom of the stand column is fixedly connected with the chassis, a gravity sensing device is arranged at the bottom of the chair, a rotary component is arranged on the upper surface of the chassis, the gravity sensing device comprises a positioning plate, two groups of gravity sensing switches are symmetrically arranged on the upper surface of the positioning plate, a guide rod is fixedly arranged at the middle position of the bottom of the chair and is slidably arranged in one end of the stand column, a first spring is arranged between one end of the stand column and the bottom of the chair, the rotary component comprises a servo motor, a first gear is fixedly arranged at the output shaft of the servo motor, a fixed shaft is fixedly arranged on the upper surface of the chassis, a second gear is fixedly arranged at one end of, the utility model discloses a motor vehicle, including pivot one end, servo motor, chassis bottom fixed mounting, servo motor, chassis bottom fixed mounting, pivot one end fixed mounting has the third gear, third gear and second gear meshing, third gear one end is connected with the encoder, encoder and servo motor electric connection, chassis bottom fixed mounting has electric putter, servo motor slidable mounting is in the chassis, electric putter output shaft end and servo motor one side fixed connection, electric putter and gravity induction switch electric connection, chassis bottom annular equidistance array has the self-driven universal wheel, chassis bottom fixed mounting has the photoelectric induction switch, self-driven universal wheel and photoelectric induction switch electric connection.

Preferably, one end of the guide rod, which is located inside the upright post, is fixedly provided with a linear bearing, and the linear bearing is connected with the upright post in a sliding manner.

Preferably, the annular equidistant array of seat lower surface has four sets of telescopic links, the equal fixed mounting in telescopic link bottom has the gyro wheel, the gyro wheel sets up with the locating plate is tangent.

Preferably, the telescopic link includes the sliding sleeve, sliding sleeve fixed mounting is in the seat lower surface, be provided with the second spring in the sliding sleeve, spring one end fixed mounting has the slide bar, gyro wheel fixed mounting is in slide bar one end.

Preferably, a counter bore is formed in one end, close to the chassis, of the stand column, one end of the fixed shaft is in clearance fit with the counter bore, a pin shaft penetrates through the counter bore, the pin shaft also penetrates through the fixed shaft, and a nut is screwed at one end of the pin shaft.

Preferably, a sliding groove is formed in one side of the bottom of the chassis, a connecting plate is fixedly mounted on one side of the servo motor, and the connecting plate is in clearance fit with the sliding groove.

Preferably, L-shaped supports are symmetrically arranged on two sides of the electric push rod, the L-shaped supports are fixedly arranged at the bottom of the chassis, a joint is screwed at the output shaft end of the electric push rod, and the joint is fixedly connected with one side of the connecting plate.

Preferably, a support is fixedly installed at the bottom of the encoder.

Preferably, a protective cover casing is fixedly mounted on the upper surface of the base plate, a through hole is formed in the center of the top of the protective cover casing, and the stand column penetrates through the through hole.

The invention has the technical effects and advantages that: compared with the prior art, the intelligent office chair capable of automatically returning provided by the invention has the following advantages:

1. the initial position can be memorized, and the self-driving device is automatically recovered after being used, so that the arrangement and placement of meeting rooms are facilitated, and the labor consumption is reduced;

2. the encoder is electrically connected with the servo motor, so that the number of rotation turns of the three groups of gears is recorded, whether a person is on the seat is determined by using a gravity sensing function, and the servo motor is controlled to reset the seat when the person leaves;

3. through photoelectric switch discernment office chair initial position, treat personnel's back of getting up, look for initial position, utilize photoelectric switch control self-driven universal wheel to remove, make office chair get back to initial position.

Drawings

FIG. 1 is a schematic front view of the present invention;

FIG. 2 is a schematic side view of the present invention;

FIG. 3 is a schematic top view of the first gear assembly of the present invention;

FIG. 4 is an enlarged view of portion A of FIG. 1 according to the present invention;

FIG. 5 is a schematic cross-sectional view of the telescopic rod of the present invention;

fig. 6 is a bottom view of the base plate of the present invention.

In the figure: 1. a seat; 2. a column; 201. a counter bore; 202. a pin shaft; 203. a nut; 3. a chassis; 301. a chute; 4. a gravity sensing device; 401. positioning a plate; 402. a gravity sensing switch; 403. a guide bar; 404. a first spring; 405. a linear bearing; 5. a swivel assembly; 501. a servo motor; 502. a first gear; 503. a fixed shaft; 504. a second gear; 505. a rotating shaft; 506. a third gear; 507. an encoder; 508. a connecting plate; 509. a support; 6. an electric push rod; 601. an L-shaped bracket; 602. a joint; 7. a telescopic rod; 701. a sliding sleeve; 702. a spring; 703. a slide bar; 8. a roller; 9. a protective housing; 10. a self-driven universal wheel; 11. a photoelectric sensing switch; 12. and a through hole.

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. The specific embodiments described herein are merely illustrative of the invention and do not delimit the invention. 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 invention provides an automatic return intelligent office chair as shown in figures 1-6, which comprises a seat 1, an upright post 2 and a chassis 3, wherein the bottom of the seat 1 is rotatably provided with the upright post 2, one end of the bottom of the upright post 2 is fixedly connected with the chassis 3, one end of the upright post 2 close to the chassis 3 is provided with a counter bore 201, one end of a fixed shaft 503 is in clearance fit with the counter bore 201, a pin shaft 202 penetrates through the counter bore 201, the pin shaft 202 also penetrates through the fixed shaft 503, one end of the pin shaft 202 is in threaded connection with a nut 203, the bottom of the seat 1 is provided with a gravity sensing device 4, the upper surface of the chassis 3 is provided with a rotating assembly 5, the lower surface of the seat 1 is annularly and equidistantly arrayed with four groups of telescopic rods 7, the bottoms of the telescopic rods 7 are fixedly provided with rollers 8, the rollers, sliding sleeve 701 fixed mounting is in seat 1 lower surface, be provided with second spring 702 in the sliding sleeve 701, spring 702 one end fixed mounting has slide bar 703, gyro wheel 8 fixed mounting is in slide bar 703 one end, fixed surface installs protective housing 9 on the chassis 3, through-hole 12 has been seted up to protective housing 9 top position placed in the middle, stand 2 runs through in through-hole 12.

The gravity sensing device 4 comprises a positioning plate 401, two groups of gravity sensing switches 402 are symmetrically arranged on the upper surface of the positioning plate 401, a guide rod 403 is fixedly arranged at the middle position of the bottom of the seat 1, the guide rod 403 is slidably arranged in one end of the upright post 2, a first spring 404 is arranged between one end of the upright post 2 and the bottom of the seat 1, a linear bearing 405 is fixedly arranged at one end of the guide rod 403 positioned in the upright post 2, and the linear bearing 405 is slidably connected with the upright post 2;

the rotary component 5 comprises a servo motor 501, a first gear 502 is fixedly installed at an output shaft end of the servo motor 501, a fixed shaft 503 is fixedly installed on the upper surface of the chassis 3, a second gear 504 is fixedly installed at one end of the fixed shaft 503, the first gear 502 is meshed with the second gear 504, a rotating shaft 505 is arranged on one side of the fixed shaft 503, a third gear 506 is fixedly installed at one end of the rotating shaft 505, the third gear 506 is meshed with the second gear 504, an encoder 507 is connected at one end of the third gear 506, the encoder 507 is electrically connected with the servo motor 501, a sliding groove 301 is formed in one side of the bottom of the chassis 3, a connecting plate 508 is fixedly installed on one side of the servo motor 501, the connecting plate 508 is in clearance fit with the sliding groove 301, and a support 509 is;

an electric push rod 6 is fixedly installed at the bottom of the chassis 3, the servo motor 501 is slidably installed in the chassis 3, the output shaft end of the electric push rod 6 is fixedly connected with one side of the servo motor 501, the electric push rod 6 is electrically connected with the gravity sensing switch 402, L-shaped brackets 601 are symmetrically installed at two sides of the electric push rod 6, the L-shaped brackets 601 are fixedly installed at the bottom of the chassis 3, the output shaft end of the electric push rod 6 is in threaded connection with a connector 602, and the connector 602 is fixedly connected with one side of the connecting plate 508;

3 bottom annular equidistance array in chassis has self-driven universal wheel 10, 3 bottom fixed mounting in chassis has photoelectric sensing switch 11, self-driven universal wheel 10 and photoelectric sensing switch 11 electric connection.

The working principle is as follows: the encoder 507 is electrically connected with the servo motor 501 to drive the first gear 502, the second gear 504 and the third gear 506 which are meshed with each other to rotate, the number of turns of the second gear 504 is recorded in real time, whether a person exists on the seat 1 is determined by matching with the gravity sensing switch 402, and the servo motor 501 is controlled to reset the seat 1 when the person leaves; through 11 discernment office chair initial position of photoelectric sensing switch, treat that personnel get up the back, look for initial position, detect the position initial point that sets up in advance after, reuse photoelectric sensing switch 11 control self-driven universal wheel 10 removes, make office chair get back to initial position, make it can carry out initial position's memory, and utilize self-drive arrangement after it uses, the arrangement of the conference room of just being convenient for of automatic recovery is put, shortens artifical consuming time.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.