CN215959032U - Desk and chair for correcting sitting posture - Google Patents

Abstract

The utility model relates to a sitting posture correcting table and chair. The chest protector comprises a base, a seat and a correction device, wherein the correction device comprises a connecting rod and a chest protector assembly, and the chest protector assembly comprises a chest protector supporting frame, a chest protector pad and a chest protector lifting adjusting set; the connecting rod is close to horizontal one end and the seat fixed connection of seat, and keeps away from the fixed down tube that is equipped with along horizontal direction to keeping away from the seat direction and slope gradually and extend of the horizontal other end of seat, and the lower extreme of chest protector support frame is equipped with the connecting piece that can remove the regulation relatively down tube extending direction, and it is fixed to carry out detachable connections through chest protector aversion regulation group between connecting piece and the down tube. The desk and the seat are combined into a whole, and the correcting device is arranged on the seat, wherein the chest protecting component can be used for supporting the position of the chest cavity of a user, so that the myopia caused by the fact that the vision is too close to the desktop is avoided, the hunchback and the like of a sitting posture can be prevented, and the chest protecting component can be adaptively adjusted according to different heights so that the user can achieve a good sitting posture operation state.

Description

Desk and chair for correcting sitting posture

Technical Field

The utility model relates to the field of tables and chairs, in particular to a sitting posture correcting table and chair.

Background

At present, many people cause cervical spondylosis, humpback, spinal deformation, myopia and other diseases due to poor sitting posture. There is a need for a sitting posture correcting desk product that ameliorates these problems. The study desk is convenient for study and operation as the name implies, and comprises good study and sitting posture comfortable operation. At present, a plurality of desks for study on the market also have single sitting posture correcting products combined with the desks or the chairs. Present desks are too limited: the desk and the chair are separated to occupy the space; a non-movable and adjustable table and chair; the sitting posture correcting effect can be achieved only by installing correction products on tables and chairs in a complicated way.

SUMMERY OF THE UTILITY MODEL

The utility model aims to: overcome above shortcoming and provide a table chair is corrected to position of sitting, this table chair combines desk and seat as an organic whole to set up orthotic devices on the seat, wherein chest protector subassembly can withstand user's thorax position, prevents that the body from leaning forward in the study, avoids the vision to lead to the fact near too from the desktop, and can prevent the position of sitting hunchback etc. chest protector subassembly can be according to different heights in addition, carries out adaptability and adjusts and let the user reach a good position of sitting operation state.

The utility model is realized by the following technical scheme: a sitting posture correcting table and chair, characterized in that: the chest protector comprises a base, a desk and a seat which are fixedly arranged on the base, and a correcting device arranged on the seat, wherein the seat is positioned on one lateral side of the desk, the correcting device comprises a connecting rod which is fixedly arranged on the seat and positioned between the desk and the seat, and a chest protector assembly arranged on the connecting rod, the chest protector assembly comprises a chest protector supporting frame arranged on the connecting rod, a chest protector pad arranged on the chest protector supporting frame and positioned on one lateral side close to the seat, and a chest protector lifting adjusting group which is arranged on the chest protector supporting frame and used for adjusting the vertical height position of the chest protector pad relative to the chest protector supporting frame;

the connecting rod is close to horizontal one end and the seat fixed connection of seat, and keeps away from the fixed down tube that is equipped with of the horizontal other end of seat to keeping away from the seat direction and slope down extension gradually along horizontal direction, the lower extreme of chest protector support frame is equipped with and puts the connecting piece of being connected and can carrying out the removal regulation relatively down tube extending direction with down tube activity cover, it is fixed to carry out detachable connections through chest protector aversion regulation group between connecting piece and the down tube.

Preferably, the sleeve pipe in the down tube periphery is put for the cover to the connecting piece, the chest support frame includes that lower extreme and connecting piece fixed connection and upper end follow the chest protection sleeve pipe that vertical direction upwards extends and wear to establish the chest protection telescopic link in the chest protection sleeve pipe along the activity of upper and lower direction, the chest protection pad is located chest protection sheathed tube top and the fixed upper end that sets up at the chest protection telescopic link, chest protection lifting adjusting group includes a plurality of along vertical direction interval distribution in proper order sets up on the chest protection telescopic link and along the first through-hole that horizontal direction extends, more than one set up on chest protection sleeve pipe wall and along horizontal direction extend and correspond complex first screw hole and wear to establish first screw hole and correspond first screw between the first through-hole.

In order to clamp the position of the knee of the calf and enable the feet of a user to work in a good comfortable state, the correcting device further comprises a knee pad assembly which is arranged on the connecting rod and is positioned on one lateral side, close to the desk, of the chest pad assembly, the knee pad assembly comprises a knee pad supporting frame which is connected with the free end portion of the inclined rod and two knee pads which are respectively positioned on two longitudinal sides of the inclined rod and are arranged on the knee pad supporting frame, and the knee pads are arranged in a mode of inclining from bottom to top in the process of transversely extending from one side of the seat to one side, close to the desk, of the knee pad.

In order to adjust the knee protection pad conveniently, the knee protection support frame is internally provided with a hollow cavity, the knee protection support frame comprises a knee protection telescopic rod movably arranged in the diagonal rod and positioned on one side of the free end of the diagonal rod and a longitudinal round rod of which the middle part is fixedly connected with the knee protection telescopic rod and extends along the longitudinal direction, the knee protection telescopic rod and the diagonal rod are fixedly connected through a knee protection displacement adjusting group, two knee protection pads are respectively arranged at the two axial ends of the longitudinal round rod and are respectively connected with the longitudinal round rod through more than one round tube suite, the round tube suite comprises an arc-shaped sleeve seat and a pressing block, the arc-shaped sleeve seat is movably sleeved on the periphery of the longitudinal round rod, the two arc-shaped ends of the arc-shaped sleeve seat are locked and fixed on the back surface of the knee protection pad through locking screws, the pressing block is movably arranged in a U-shaped slot of the arc-shaped sleeve seat and positioned on one side close to the opening of the U-shaped slot, and the pressing block is pressed on the back surface of the knee protection pad close to one side wall of the knee protection pad, one end of the pressing block, which is close to the longitudinal round rod, is provided with an arc-shaped groove corresponding to the shape of the periphery of the longitudinal round rod, and the arc-shaped groove is pressed and clamped on the periphery of the longitudinal round rod;

the guide grooves extending from the closed ends of the U-shaped grooves to the open ends are formed in the side walls of the two sides of the U-shaped grooves of the arc sleeve seats, and the side walls of the pressing block, which are in matched contact with the two guide grooves, are provided with movable guide blocks which protrude outwards and can be slidably installed in the corresponding guide grooves.

In order to prevent perk two lang legs or long-term bad foot appearance strain, be provided with more than one in the base along transverse direction interval distribution set up and extend the foot rest mounting hole that link up the base along longitudinal direction, orthotic devices is still including wearing to establish in one of them foot rest mounting hole and extend the foot rest pipe that sets up and be located the seat below along longitudinal direction, fix through the screw between base and the foot rest pipe.

In order to facilitate the movement of the table and chair, universal wheels are further mounted below the four corners of the base.

Preferably, the seat comprises a seat air rod, a lifting and degrading locking disc, a seat support frame and a seat cushion, wherein the seat air rod is installed on the base and extends in the vertical direction, the lifting and degrading locking disc is installed on the seat air rod and is used for driving the seat air rod to lift and move, the seat support frame is installed on the lifting and degrading locking disc, and the seat cushion is installed and arranged on the seat support frame.

For the convenience of seatpad adjustment in the transverse direction, the seat support frame includes that fixed mounting goes up the seat mount on the degradation locking dish, along the seat adjustable shelf of transverse direction sliding connection on the seat mount, connect and be used for driving the relative seat mount lateral shifting's of seat adjustable shelf driving piece between seat mount and seat adjustable shelf and connect and be used for making the relative seat mount of seat adjustable shelf fixed or remove the shift unblock subassembly of the stationary condition between seat adjustable shelf and the seat mount between seat mount and the seat adjustable shelf, seatpad fixed mounting is in the top of seat adjustable shelf.

Preferably, the bottoms of the two longitudinal sides of the seat movable frame are respectively and fixedly provided with a guide rod extending along the transverse direction, the adjacent longitudinal side wall of the two guide rods is provided with a sliding groove extending along the transverse direction and being recessed towards the longitudinal direction far away from the other guide rod, the two longitudinal sides of the seat fixed frame are respectively and fixedly provided with more than one steel plug sliding piece, and the steel plug sliding pieces are respectively and slidably arranged in the sliding grooves of the guide rods on the corresponding sides;

the seat unlocking assembly is arranged on one longitudinal side of the seat movable frame, a plurality of clamping grooves which are sequentially arranged at intervals along the transverse direction and run through the side wall from top to bottom are arranged on one longitudinal side wall of the seat fixed frame corresponding to the displacement unlocking assembly, the longitudinal outer side of each clamping groove is also outwards opened, a clamping hole which extends through the side wall along the longitudinal direction and can be correspondingly matched with each clamping groove is arranged on the longitudinal side wall of a guide rod which is positioned on the same longitudinal side with the displacement unlocking assembly, the displacement unlocking assembly comprises a displacement handle, a displacement rotating shaft, a clamping pin and a torsion spring, the displacement handle is arranged on the longitudinal outer side of the corresponding guide rod and is rotatably connected onto the guide rod through the displacement rotating shaft which extends along the longitudinal direction, the clamping pin is fixedly connected with the displacement handle, extends along the longitudinal direction and movably penetrates through the clamping hole and is clamped in the corresponding clamping groove, and the distance of the hole in the vertical direction is larger than the thickness of the clamping pin in the vertical direction, the seat driving device comprises a seat fixed frame, a clamping pin, a torsion arm, a torsion spring, a guide rod, a driving piece and a guide rod, wherein the clamping pin can move up and down in the clamping hole under the driving of a displacement handle, the torsion spring is sleeved on the periphery of a displacement rotating shaft, one torsion arm of the torsion spring is connected with the guide rod, the other torsion arm is connected below the clamping pin in a supporting mode, and the driving piece is a tension spring connected between the seat movable frame and the seat fixed frame.

In order to facilitate the vertical lifting of the desk, the desk comprises a lifting rod group arranged on a base, a desktop support frame arranged at the upper end of the lifting rod group and a desk plate arranged above the desktop support frame;

the lifting rod group comprises an outer sleeve stand column which is fixedly connected with the base and extends along the vertical direction, an inner column which is movably arranged in the outer sleeve stand column in a penetrating mode along the vertical direction, and a desk air rod which is arranged in the inner column and used for driving the inner column to lift up and down relative to the outer sleeve stand column, wherein the upper end of the inner column is fixedly provided with a connecting rod body which extends along the transverse direction;

thereby the lifter group is still including being used for pressing down the pressing means that the gas pole thimble triggered desk gas pole work, pressing means includes the pressing part, rotates the handle and acts as go-between, the pressing part sets up in the connecting rod body, and the horizontal one end of pressing part is connected with the connecting rod body rotation through longitudinal extension's second pivot, the bottom of the free end of pressing part is pressed to gas pole thimble roof pressure, it rotates the bottom of connecting at the table to rotate the handle, the one end of acting as go-between is connected with the rotation handle and the other end is connected with another horizontal end of pressing part.

In order to facilitate the corner adjustment of the desktop, the desktop support frame comprises two bending pieces which are respectively arranged at the two longitudinal sides of the connecting rod body and are fixedly connected with the bottom of the desk plate, a corner rotating shaft which is connected between the two bending pieces and the connecting rod body and is arranged along the longitudinal direction in an extending manner, and an angle adjusting assembly which is connected between the two bending pieces and the connecting rod body and is used for locking the two bending pieces around the rotating positions of the corner rotating shaft and contacting the locking state.

For the convenience of quick closure is fixed, angle adjusting component includes the activity body of rod, activity briquetting and cam handle, the parallel corner pivot setting of the activity body of rod and connect between the two bent pieces and the connection body of rod, and the two bent pieces are equipped with the arc spout that the centre of a circle is in on the corner pivot central line in the position corresponding with the connecting rod axial end, the axial both ends activity of the activity body of rod is worn to establish in the arc spout that corresponds, the activity briquetting activity is cup jointed in the one end of the activity body of rod and is located the outside that corresponds the bent piece, cam handle articulates on the activity body of rod and cam handle's cam position through the articulated shaft of perpendicular connection body of rod central line is pressed and is established on the activity briquetting.

In order to prevent the objects such as books and the like on the desk from falling off when the desktop rotates, the magnetic part is arranged at the bottom of one transverse end of the desk plate close to the seat, and the soft barrier strip which extends along the longitudinal direction and can be attracted with the magnetic part is arranged at the position, corresponding to the magnetic part, on the upper side of the desk plate.

In order to place school supplies, a drawer for storing articles is slidably mounted at the bottom of the table plate.

Compared with the prior art, the utility model has the beneficial effects that:

1. the utility model relates to a sitting posture correcting table and chair, wherein a desk and a chair are combined into a whole, a correcting device is arranged on the chair, a chest protecting component can be used for supporting the chest position of a user to prevent the body from leaning forward in learning, myopia caused by the fact that the vision is too close to the desk top and humpback in sitting posture and the like, and the chest protecting component can be used for adaptively adjusting according to different heights to enable the user to achieve a good sitting posture operation state.

2. The utility model provides a sitting posture correcting desk and chair, which is also provided with a knee pad assembly, wherein the knee pad assembly can clamp the knee position of a user shank to enable the user to work in a good comfortable state, a knee pad of the knee pad assembly can be adjusted forwards and backwards, and the knee pad can be adjusted to a proper angle in a 360-degree rotating mode under the connecting action of a round tube suite.

3. The utility model provides a sitting posture correcting desk and chair, which is also provided with a leg frame pipe, so that leg upwarping of a user or long-term bad foot posture strain can be effectively prevented, and the leg frame pipe can be transversely adjusted forwards and backwards, so that the use requirements of different users are met.

4. The utility model provides a sitting posture correcting table and chair, wherein a seat is provided with a seat air rod and a lifting unlocking disc, the height position of a seat cushion can be vertically lifted and adjusted, and the seat cushion can also be adjusted in a front-back movement mode in the transverse direction.

5. The utility model provides a sitting posture correcting table and chair, wherein universal wheels are further mounted on a base, so that the table and chair can be conveniently moved and adjusted.

6. The utility model provides a sitting posture correcting table and chair, wherein a desk is provided with a lifting rod group, a rotating handle is pulled to trigger a table top to lift up and down, and the table top can be adjusted in multiple angles under the driving of an adjusting component, so that a user can achieve a good sitting posture operation state.

Drawings

FIG. 1 is a schematic three-dimensional structure of the present invention;

FIG. 2 is a schematic view of a chair and orthotic device according to the present invention;

FIG. 3 is an exploded view of the seat and orthotic device of the present invention;

FIG. 4 is a schematic view of the internal structure of the chair and the orthotic device of the present invention;

FIG. 5 is a schematic view of a portion of the orthotic device of the present invention;

FIG. 6 is an exploded view of the socket joint of round tubes in the present invention;

FIG. 7 is a first schematic structural view of the seat support frame of the present invention;

FIG. 8 is a second schematic structural view of the seat support frame of the present invention;

FIG. 9 is a schematic view of a desk according to the present invention;

FIG. 10 is an exploded view of a desk according to the present invention;

FIG. 11 is a first partial structural view of a desk according to the present invention;

FIG. 12 is an exploded view of a portion of a desk according to the present invention;

FIG. 13 is a second partial structural view of a desk according to the present invention;

figure 14 is a partial interior view of a desk according to the present invention.

Description of reference numerals: 1-base, 11-foot stool mounting hole, 2-desk, 21-lifting rod group, 211-outer sleeve upright post, 212-inner post, 213-desk air rod, 2131-air rod thimble, 214-connecting rod body, 215-pressing component, 2151-pressing component, 2152-rotating handle, 2153-pull wire, 2154-second rotating shaft, 22-desktop support frame, 221-bending piece, 2211-arc chute, 222-corner rotating shaft, 223-angle adjusting component, 2231-movable rod body, 2232-movable pressing block, 2233-cam handle, 23-desk plate, 24-magnetic attraction component, 25-soft baffle bar, 26-drawer, 3-seat, 31-seat air rod, 32-liter degradation lock disc, 33-seat support frame, 331-seat fixing frame, 3311-clamping groove, 332-seat movable frame, 3321-guide rod, 3322-sliding groove, 3323-clamping hole, 333-driving piece, 334-displacement unlocking component, 3341-displacement handle, 3342-displacement shaft, 3343-clamping pin, 3344-torsion spring, 335-stuffing steel slider, 34-seat cushion, 4-correction device, 41-connecting rod, 411-inclined rod, 42-chest protection component, 421-chest protection support frame, 4211-chest protection sleeve, 4212-chest protection telescopic rod, 422-chest protection pad, 423-chest protection lifting adjusting group, 424-chest protection displacement adjusting group, 425-connecting piece, 43-knee protection component, 431-knee protection support frame, 4311-knee protection frame, 4312-longitudinal round rod, 432-knee pad, 433-round tube set, 4331-arc sleeve seat, 4332-pressing block, 4333-locking screw, 4334-U-shaped slot, 4335-arc groove, 4336-guide groove, 4337-movable guide block, 434-knee pad displacement adjusting group, 44-foot rest tube and 5-universal wheel.

Detailed Description

The utility model is described in detail below with reference to the following description of the drawings:

as shown in fig. 1 to 14, a sitting posture correcting table and chair is characterized in that: the chest protector comprises a base 1, a desk 2 and a seat 3 which are fixedly arranged on the base 1, and a correction device 4 which is arranged on the seat 3, wherein the seat 3 is positioned on one side of the desk 2 in the transverse direction, the correction device 4 comprises a connecting rod 41 which is fixedly arranged on the seat 3 and is positioned between the desk 2 and the seat 3, and a chest protector component 42 which is arranged on the connecting rod 41, the chest protector component 42 comprises a chest protector supporting frame 421 which is arranged on the connecting rod 41, a chest protector pad 422 which is arranged on the chest protector supporting frame 421 and is positioned on one side close to the seat 3 in the transverse direction, and a chest protector lifting adjusting group 423 which is arranged on the chest protector supporting frame 421 and is used for adjusting the vertical height position of the chest protector pad 422 relative to the chest protector supporting frame 421;

the horizontal one end that connecting rod 41 is close to seat 3 is connected with seat 3 fixed connection, and the horizontal other end of keeping away from seat 3 is fixed to be equipped with along the horizontal direction to keeping away from seat 3 direction and the down sloping down extending's down gradually down delineator 411, the lower extreme of chest protector support frame 421 is equipped with and puts with down delineator 411 activity cover and be connected and can move the connecting piece 425 of adjusting relatively delineator 411 extending direction, carry out detachable connections through chest protector displacement adjustment group 424 between connecting piece 425 and the delineator 411 and fix.

Preferably, the sleeve pipe of putting in down tube 411 periphery is put for the cover to connecting piece 425, chest support frame 421 includes lower extreme and connecting piece 425 fixed connection and upper end along the upward chest protection sleeve pipe 4211 that extends of vertical direction and along the upper and lower direction activity wear to establish chest protection telescopic link 4212 in chest protection sleeve pipe 4211, chest protection pad 422 is located chest protection sleeve pipe 4211's top and the fixed upper end that sets up at chest protection telescopic link 4212, chest protection lift adjustment group 423 includes a plurality of along vertical direction interval distribution in proper order set up on chest protection telescopic link 4212 and along the first through-hole of transverse direction extension, more than one set up on chest protection sleeve pipe 4211 pipe wall and along the transverse direction extend and correspond the first screw hole of complex and wear to establish the first screw between first screw hole and the corresponding first through-hole.

In order to clamp the position of the knee of the calf and to enable the user to work with the feet in a good comfortable state, the correcting device 4 further comprises a knee protecting component 43 which is arranged on the connecting rod 41 and is positioned on one lateral side of the chest protecting component 42 close to the desk 2, the knee protecting component 43 comprises a knee protecting supporting frame 431 which is connected with the free end part of the inclined rod 411, and two knee protecting cushions 432 which are respectively positioned on two longitudinal sides of the inclined rod 411 and are arranged on the knee protecting supporting frame 431, and the knee protecting cushions 432 are obliquely arranged from bottom to top in the process of transversely extending from one side of the seat 3 to one side close to the desk 2.

In order to facilitate the adjustment of the knee pad 432, the inside of the inclined rod 411 is a hollow cavity, the knee pad support frame 431 includes a knee pad telescopic rod 4311 movably inserted into the inclined rod 411 and located on one side of the free end thereof, and a longitudinal round rod 4312 whose middle portion is fixedly connected with the knee pad telescopic rod 4311 and extends in the longitudinal direction, the knee pad telescopic rod 4311 and the inclined rod 411 are fixedly connected through a knee pad displacement adjusting group 434, two knee pads 432 are respectively arranged at two axial ends of the longitudinal round rod 4312 and are both connected with the longitudinal round rod 4312 through more than one round tube kit 433, the round tube kit 433 includes an arc-shaped sleeve 4331 and a pressing block 4332, the arc-shaped sleeve 4331 is movably sleeved on the periphery of the longitudinal round rod 4312, and the arc-shaped ends of the arc-shaped sleeve 4331 are locked and fixed on the back of the knee pad 432 through screws 4333, the pressing block 4332 is movably installed in a U-shaped slot 4334 of the arc-shaped sleeve 4331 and located on one side close to the opening of the U-shaped slot 4334, one side wall of the pressing block 4332 close to the knee pad 432 is pressed against the back of the knee pad 432, one end of the pressing block 4332 close to the longitudinal round rod 4312 is provided with an arc-shaped groove 4335 corresponding to the outer periphery of the longitudinal round rod 4312 in shape, and the arc-shaped groove 4335 is pressed and clamped on the outer periphery of the longitudinal round rod 4312;

the side walls of the two side grooves of the U-shaped slot 4334 of the arc-shaped sleeve seat 4331 are provided with guide grooves 4336 extending from the closed end to the open end of the U-shaped slot 4334, and the side wall of the pressing block 4332 in contact with the two guide grooves 4336 is provided with a movable guide block 4337 which protrudes outwards and can be slidably mounted in the corresponding guide groove 4336.

In order to prevent the strain of the person perking the leg of the user or the long-term bad posture, the base 1 is provided with more than one foot stand mounting holes 11 which are arranged along the transverse direction at intervals and run through the base 1 along the longitudinal direction, the correcting device 4 further comprises foot stand pipes 44 which are arranged in one of the foot stand mounting holes 11 in a penetrating manner and are arranged along the longitudinal direction in an extending manner and are positioned below the seat 3, and the base 1 and the foot stand pipes 44 are fixed through screws.

In order to facilitate the movement of the table and chair, universal wheels 5 are further mounted below the four corners of the base 1.

Preferably, the seat 3 comprises a seat air rod 31 installed on the base 1 and extending in the vertical direction, a lifting unlocking disc 32 installed on the seat air rod 31 for driving the seat air rod 31 to move up and down, a seat support frame 33 installed on the lifting unlocking disc 32, and a seat cushion 34 installed on the seat support frame 33.

In order to facilitate the adjustment of the seat cushion in the transverse direction, the seat supporting frame 33 includes a seat fixed frame 331 fixedly installed on the elevating and lowering lock plate 32, a seat movable frame 332 slidably connected to the seat fixed frame 331 in the transverse direction, an actuating member 333 connected between the seat fixed frame 331 and the seat movable frame 332 for actuating the seat movable frame 332 to move transversely with respect to the seat fixed frame 331, and a displacement unlocking assembly 334 connected between the seat fixed frame 331 and the seat movable frame 332 for fixing or releasing the seat movable frame 332 with respect to the seat fixed frame 331 from a fixed state between the seat movable frame 332 and the seat fixed frame 331, wherein the seat cushion 34 is fixedly installed above the seat movable frame 332.

Preferably, a guide rod 3321 extending in the transverse direction is fixedly mounted at the bottom of each of the two longitudinal sides of the seat movable frame 332, a sliding groove 3322 extending in the transverse direction and recessed in the longitudinal direction far away from the other guide rod 3321 is provided on a longitudinal side wall adjacent to the two guide rods 3321, more than one steel plug slider 335 is fixedly mounted at each of the two longitudinal sides of the seat fixed frame 331, and the steel plug sliders 335 are slidably mounted in the sliding grooves 3322 of the guide rods 3321 at the corresponding side;

the shift unlocking component 334 is installed at one longitudinal side of the seat movable frame 332, the seat fixed frame 331 is provided with a plurality of clamping slots 3311 which are sequentially arranged at intervals along the transverse direction on one longitudinal side wall corresponding to the shift unlocking component 334 and run through the side wall up and down, the longitudinal outer side of each clamping slot 3311 is also opened outwards, a clamping hole 3323 which extends through the side wall along the longitudinal direction and can be correspondingly matched with each clamping slot 3311 is arranged on the longitudinal side wall of the guide rod 3321 which is positioned at the same longitudinal side as the shift unlocking component 334, the shift unlocking component 334 comprises a shift handle 3341, a shift rotating shaft 3342, a clamping pin 3343 and a torsion spring 3344, the shift handle 3341 is arranged at the longitudinal outer side corresponding to the guide rod 3321 and is rotatably connected to the guide rod 3321 through the shift rotating shaft 3342 which extends along the longitudinal direction, the clamping pin 3343 is fixedly connected with the shift handle 3341 and extends along the longitudinal direction and movably passes through the clamping hole 3323 and is clamped in the corresponding clamping slot 3311, the hole wall space of the clamping hole 3323 in the vertical direction is larger than the thickness of the clamping pin 3343 in the vertical direction, so that the clamping pin 3343 can move up and down in the clamping hole 3323 under the driving of the displacement handle 3341, the torsion spring 3344 is sleeved on the periphery of the displacement rotating shaft 3342, one torsion arm of the torsion spring 3344 is connected with the guide rod 3321, the other torsion arm is connected below the clamping pin 3343 in a supporting manner, and the driving part 333 is a tension spring connected between the seat movable frame 332 and the seat fixed frame 331.

In order to facilitate the vertical lifting of the desk, the desk 2 comprises a lifting rod group 21 arranged on the base 1, a desktop support frame 22 arranged at the upper end of the lifting rod group 21, and a desk plate 23 arranged above the desktop support frame 22;

the lifting rod group 21 comprises an outer sleeve upright post 211 fixedly connected with the base 1 and extending along the vertical direction, an inner post 212 movably arranged in the outer sleeve upright post 211 along the vertical direction, and a desk air rod 213 arranged in the inner post 212 and used for driving the inner post 212 to lift up and down relative to the outer sleeve upright post 211, wherein the upper end of the inner post 212 is fixedly provided with a connecting rod body 214 extending along the transverse direction, the desk air rod 213 is arranged in an inner cavity of the inner post 212, the bottom of the desk air rod 213 is fixedly connected with the outer sleeve upright post 211, the upper end piston rod end of the desk air rod 213 is fixedly connected with the connecting rod body 214, an air rod thimble 2131 used for controlling the desk air rod 213 to lift up and down and capable of stretching and rebounding extends out from the piston rod end of the desk air rod 213, and the air rod thimble 2131 is positioned in the inner cavity of the connecting rod body 214;

the lifting rod set 21 further comprises a pressing assembly 215 for pressing the air rod thimble 2131 to trigger the operation of the air rod 213 of the desk, the pressing assembly 215 comprises a pressing member 2151, a rotating handle 2152 and a pulling wire 2153, the pressing member 2151 is disposed in the connecting rod body 214, one transverse end of the pressing member 2151 is rotatably connected with the connecting rod body 214 through a second rotating shaft 2154 extending longitudinally, the air rod thimble 2131 is pressed against the bottom of the free end of the pressing member 2151, the rotating handle 2152 is rotatably connected with the bottom of the desk plate 23, one end of the pulling wire 2153 is connected with the rotating handle 2152, and the other end of the pulling wire is connected with the other transverse end of the pressing member 2151.

In order to facilitate the adjustment of the corner of the table top, the table top supporting frame 22 includes two bending pieces 221 respectively disposed at two longitudinal sides of the connecting rod body 214 and fixedly connected to the bottom of the table plate 23, a corner rotating shaft 222 connected between the two bending pieces 221 and the connecting rod body 214 and extending along the longitudinal direction, and an angle adjusting component 223 connected between the two bending pieces 221 and the connecting rod body 214 for locking the two bending pieces 221 around the rotating position of the corner rotating shaft 222 and in a contact locking state.

In order to facilitate quick locking and fixing, the angle adjusting assembly 223 includes a movable rod 2231, a movable pressing block 2232 and a cam handle 2233, the movable rod 2231 is parallel to the corner rotating shaft 222 and is connected between the two bending pieces 221 and the connecting rod 214, the two bending pieces 221 are provided with an arc chute 2211 with a circle center on the center line of the corner rotating shaft 222 at a position corresponding to the axial end of the connecting rod 214, the axial two ends of the movable rod 2231 are movably inserted into the corresponding arc chutes 2211, the movable pressing block 2232 is movably sleeved at one end of the movable rod 2231 and located at the outer side of the corresponding bending piece 221, the cam handle 2233 is hinged on the movable rod 2231 through a hinge shaft perpendicular to the center line of the connecting rod 214, and the cam portion of the cam handle 2233 is pressed on the movable pressing block 2232.

In order to prevent the objects such as books on the desk from falling off during the rotation of the desktop, the magnetic part 24 is further arranged at the bottom of the transverse end of the desk plate 23 close to the seat 3, and the soft barrier strip 25 which extends along the longitudinal direction and can be attracted with the magnetic part 24 is arranged at the position, corresponding to the magnetic part 24, on the upper side of the desk plate 23.

In order to facilitate the placement of school supplies, a drawer 26 for storing articles is slidably mounted on the bottom of the table plate 23.

While the utility model has been illustrated and described with respect to specific embodiments and alternatives thereof, it will be understood that various changes and modifications can be made without departing from the spirit and scope of the utility model. It is understood, therefore, that the utility model is not to be in any way limited except by the appended claims and their equivalents.

Claims (10)

1. A sitting posture correcting table and chair, characterized in that: comprises a base (1), a desk (2) and a seat (3) which are fixedly arranged on the base (1), and a correcting device (4) arranged on the seat (3), the seat (3) is positioned at one side of the desk (2) in the transverse direction, the correcting device (4) comprises a connecting rod (41) which is fixedly arranged on the seat (3) and positioned between the desk (2) and the seat (3) and a chest protecting component (42) which is arranged on the connecting rod (41), the chest protection assembly (42) comprises a chest protection support frame (421) arranged on the connecting rod (41), a chest protection pad (422) arranged on the chest protection support frame (421) and positioned at one side close to the transverse direction of the seat (3), and a chest protection lifting adjusting group (423) which is arranged on the chest protection support frame (421) and used for adjusting the vertical height position of the chest protection pad (422) relative to the chest protection support frame (421);

connecting rod (41) are close to horizontal one end and seat (3) fixed connection of seat (3), and keep away from the horizontal other end fixed being equipped with along transverse direction to keeping away from seat (3) direction and down sloping down the down-dip mast (411) that extends gradually, the lower extreme of chest protector support frame (421) is equipped with puts with down-dip mast (411) activity cover and is connected and can move connecting piece (425) of adjusting relatively down-dip mast (411) extending direction, it is fixed to carry out detachable connections through chest protector displacement adjustment group (424) between connecting piece (425) and down-dip mast (411).

2. The sitting posture correcting table and chair of claim 1, wherein: the connecting piece (425) is a sleeve sleeved on the periphery of the inclined rod (411), the chest protection support frame (421) comprises a chest protection sleeve (4211) with the lower end fixedly connected with the connecting piece (425) and the upper end extending upwards along the vertical direction, and a chest protection expansion rod (4212) movably arranged in the chest protection sleeve (4211) in a penetrating way along the up-down direction, the chest protection pad (422) is positioned above the chest protection sleeve (4211) and is fixedly arranged at the upper end of the chest protection telescopic rod (4212), chest protector lift adjustment group (423) include a plurality of along vertical direction interval distribution in proper order set up on chest protector telescopic link (4212) and along the first through-hole of transverse direction extension, more than one set up on chest protector sleeve pipe (4211) pipe wall and along the transverse direction extension and with each first through-hole correspond first screw hole of complex and wear to establish first screw hole and correspond the first screw between the first through-hole.

3. The sitting posture correcting table and chair of claim 2, wherein: orthotic devices (4) are still including installing on connecting rod (41) and being located chest protector subassembly (42) and being close to knee-pad subassembly (43) of the horizontal one side of desk (2), knee-pad subassembly (43) are including knee-pad support frame (431) that are connected with the free end of down tube (411) and two knee-pad pads (432) that are located down tube (411) vertical both sides respectively and install on knee-pad support frame (431), knee-pad (432) are by seat (3) one side to be close to desk (2) one side and transversely extend the in-process, from lower up slope setting.

4. The sitting posture correcting table and chair of claim 3, wherein: the knee protection support frame (431) comprises a knee protection telescopic rod (4311) movably arranged in the inclined rod (411) in a penetrating mode and located on one side of the free end of the inclined rod, and a longitudinal round rod (4312) with the middle part fixedly connected with the knee protection telescopic rod (4311) and extending along the longitudinal direction, the knee protection telescopic rod (4311) and the inclined rod (411) are fixedly connected through a knee protection displacement adjusting group (434), two knee protection cushions (432) are respectively arranged at the two axial ends of the longitudinal round rod (4312) and are respectively connected with the longitudinal round rod (4312) through more than one round pipe external member (433), each round pipe external member (433) comprises an arc-shaped sleeve seat (4331) and a pressing block (4332), the arc-shaped sleeve seats (4331) are movably sleeved on the periphery of the longitudinal round rod (4312), and the two arc-shaped ends of the arc-shaped sleeve seats (4331) are locked and fixed on the back of the knee protection cushions (432) through locking screws (4333), the pressing block (4332) is movably arranged in the U-shaped slot (4334) of the arc sleeve seat (4331) and is positioned at one side close to the opening of the U-shaped slot (4334), one side wall of the pressing block (4332) close to the knee pad (432) is pressed against the back of the knee pad (432), an arc groove (4335) corresponding to the peripheral shape of the longitudinal round rod (4312) is arranged at one end of the pressing block (4332) close to the longitudinal round rod (4312), and the arc groove (4335) is pressed and clamped at the periphery of the longitudinal round rod (4312);

the side walls of the grooves at two sides of the U-shaped slot (4334) of the arc-shaped sleeve seat (4331) are respectively provided with a guide groove (4336) extending from the closed end to the open end of the U-shaped slot (4334), and the side wall of the pressing block (4332) which is in contact with the two guide grooves (4336) in a matching manner is provided with a movable guide block (4337) which protrudes outwards and can be slidably mounted in the corresponding guide groove (4336).

5. The sitting posture correcting table and chair of claim 1, wherein: the base (1) is provided with more than one foot rest mounting holes (11) which are distributed at intervals along the transverse direction and extend through the base (1) along the longitudinal direction, the correcting device (4) further comprises foot rest tubes (44) which penetrate through one of the foot rest mounting holes (11), extend along the longitudinal direction and are positioned below the seat (3), and the base (1) and the foot rest tubes (44) are fixed through screws.

6. The sitting posture correcting table and chair of claim 1, wherein: universal wheels (5) are further mounted below the four corners of the base (1).

7. The sitting posture correcting table and chair of claim 1, wherein: the seat (3) comprises a seat air rod (31) which is arranged on the base (1) and extends along the vertical direction, a lifting and degrading lock disc (32) which is arranged on the seat air rod (31) and used for driving the seat air rod (31) to lift and move, a seat support frame (33) which is arranged on the lifting and degrading lock disc (32), and a seat cushion (34) which is arranged on the seat support frame (33);

the seat support frame (33) comprises a seat fixing frame (331) fixedly installed on the lifting and degrading lock disc (32), a seat movable frame (332) connected to the seat fixing frame (331) in a sliding mode along the transverse direction, a driving piece (333) connected between the seat fixing frame (331) and the seat movable frame (332) and used for driving the seat movable frame (332) to transversely move relative to the seat fixing frame (331), and a shifting unlocking assembly (334) connected between the seat fixing frame (331) and the seat movable frame (332) and used for enabling the seat movable frame (332) to be fixed relative to the seat fixing frame (331) or releasing the fixing state between the seat movable frame (332) and the seat fixing frame (331), wherein a seat cushion (34) is fixedly installed above the seat movable frame (332).

8. The sitting posture correcting table and chair of claim 7, wherein: the bottom of each of the two longitudinal sides of the seat movable frame (332) is fixedly provided with a guide rod (3321) extending along the transverse direction, a sliding groove (3322) extending along the transverse direction and recessed towards the longitudinal direction far away from the other guide rod (3321) is formed in one longitudinal side wall adjacent to the two guide rods (3321), more than one steel plug sliding piece (335) is fixedly arranged at each of the two longitudinal sides of the seat fixed frame (331), and the steel plug sliding pieces (335) are respectively slidably arranged in the sliding grooves (3322) of the guide rods (3321) at the corresponding side;

the seat unlocking assembly (334) is arranged on one longitudinal side of the seat movable frame (332), the seat fixing frame (331) is provided with a plurality of clamping grooves (3311) which are sequentially arranged at intervals along the transverse direction and run through the side walls up and down on one longitudinal side wall corresponding to the seat unlocking assembly (334), the longitudinal outer side of each clamping groove (3311) is also opened outwards, a clamping hole (3323) which extends through the side wall along the longitudinal direction and can be correspondingly matched with each clamping groove (3311) is arranged on the longitudinal side wall of the guide rod (3321) which is positioned on the same longitudinal side with the seat unlocking assembly (334), the seat unlocking assembly (334) comprises a displacement handle (3341), a displacement rotating shaft (3342), a clamping pin (3343) and a torsion spring (3344), the displacement handle (3341) is arranged on the longitudinal outer side of the corresponding guide rod (3321) and is rotatably connected to the guide rod (3321) through the displacement rotating shaft (3342) which extends longitudinally, the bayonet lock (3343) is fixedly connected with the displacement handle (3341), extends along the longitudinal direction, movably penetrates through the clamping hole (3323) and is clamped in the corresponding clamping groove (3311), the distance between the hole walls of the clamping hole (3323) in the vertical direction is larger than the thickness of the bayonet lock (3343) in the vertical direction, so that the bayonet lock (3343) can move up and down in the clamping hole (3323) under the driving of the displacement handle (3341), the torsion spring (3344) is sleeved on the periphery of the displacement rotating shaft (3342), one torsion arm of the torsion spring (3344) is connected with the guide rod (3321), the other torsion arm is connected below the bayonet lock (3343) in a supporting manner, and the driving piece (333) is a tension spring connected between the seat movable frame (332) and the seat fixing frame (331).

9. The sitting posture correcting table and chair of claim 1, wherein: the desk (2) comprises a lifting rod group (21) arranged on the base (1), a desktop support frame (22) arranged at the upper end of the lifting rod group (21), and a desk plate (23) arranged above the desktop support frame (22);

the lifting rod group (21) comprises an outer sleeve upright post (211) which is fixedly connected with the base (1) and extends along the vertical direction, an inner post (212) which is movably arranged in the outer sleeve upright post (211) in a penetrating way along the vertical direction, and a desk air rod (213) which is arranged in the inner post (212) and is used for driving the inner post (212) to lift up and down relative to the outer sleeve upright post (211), wherein the upper end of the inner post (212) is fixedly provided with a connecting rod body (214) which extends along the transverse direction, the desk air rod (213) is arranged in an inner cavity of the inner post (212), the bottom of the desk air rod (213) is fixedly connected with the outer sleeve upright post (211), the upper end piston rod end of the desk air rod (213) is fixedly connected with the connecting rod body (214), and an air rod thimble (2131) which is used for controlling the desk air rod (213) to lift up and down and rebound in a telescopic way extends out is arranged at the piston rod end of the desk air rod (213), the air rod thimble (2131) is positioned in the inner cavity of the connecting rod body (214);

the lifting rod set (21) further comprises a pressing assembly (215) used for pressing the air rod thimble (2131) so as to trigger the air rod (213) of the desk to work, the pressing assembly (215) comprises a pressing piece (2151), a rotating handle (2152) and a pull wire (2153), the pressing piece (2151) is arranged in the connecting rod body (214), one transverse end of the pressing piece (2151) is rotatably connected with the connecting rod body (214) through a second rotating shaft (2154) extending longitudinally, the air rod thimble (2131) is pressed against the bottom of the free end of the pressing piece (2151), the rotating handle (2152) is rotatably connected with the bottom of the desk plate (23), one end of the pull wire (2153) is connected with the rotating handle (2152), and the other end of the pull wire is connected with the other transverse end of the pressing piece (2151).

10. The sitting posture correcting table and chair of claim 9, wherein: the desktop support frame (22) comprises two bending pieces (221) which are respectively arranged at two longitudinal sides of the connecting rod body (214) and fixedly connected with the bottom of the desk plate (23), a corner rotating shaft (222) which is connected between the two bending pieces (221) and the connecting rod body (214) and extends along the longitudinal direction, and an angle adjusting component (223) which is connected between the two bending pieces (221) and the connecting rod body (214) and is used for locking and contacting the rotating position of the two bending pieces (221) around the corner rotating shaft (222) to be in a locking state;

the angle adjusting component (223) comprises a movable rod body (2231), a movable pressing block (2232) and a cam handle (2233), the movable rod body (2231) is arranged parallel to the corner rotating shaft (222) and is connected between the two bending pieces (221) and the connecting rod body (214), the two bending pieces (221) are provided with arc-shaped chutes (2211) with the circle centers positioned on the central line of the corner rotating shaft (222) at the positions corresponding to the axial ends of the connecting rod body (214), the two axial ends of the movable rod body (2231) are movably arranged in the corresponding arc-shaped sliding grooves (2211) in a penetrating way, the movable pressing block (2232) is movably sleeved at one end of the movable rod body (2231) and is positioned at the outer side of the corresponding bending piece (221), the cam handle (2233) is hinged on the movable rod body (2231) through a hinge shaft which is vertically connected with the central line of the rod body (214), and the cam part of the cam handle (2233) is pressed on the movable pressing block (2232).

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