阅读说明：本技术 一种具有防驼背功能的学习椅 (Learning chair with humpback preventing function ) 是由 朱金成 于 2020-12-17 设计创作，主要内容包括：本发明公开了一种具有防驼背功能的学习椅,涉及学习用具领域,包括座椅、防驼背机构、支架机构、腰带机构,所述座椅的顶端内嵌有软垫,且座椅与软垫之间连接有导电机构,所述座椅的顶端位于软垫的外侧固定有扶手；其中,所述支架机构包括有位于座椅底端的底座,所述底座的底端连接有一号支架,且底座的一端连接有固定环,所述固定环的内壁套接有二号支架,所述二号支架的内壁通过棘轮机构连接有转动支架。本发明通过设置防驼背机构与腰带机构,防驼背机构对使用者肩膀位置进行限定,腰带机构对使用者腰部进行限定,当使用者的腰部或肩膀出现酸疼时,无法进行躯体的调节,从而进一步提高装置的适用性。(The invention discloses a learning chair with a humpback prevention function, which relates to the field of learning tools and comprises a chair, a humpback prevention mechanism, a support mechanism and a waistband mechanism, wherein a soft cushion is embedded in the top end of the chair, a conductive mechanism is connected between the chair and the soft cushion, and a handrail is fixed at the position, located on the outer side of the soft cushion, of the top end of the chair; the support mechanism comprises a base located at the bottom end of the seat, the bottom end of the base is connected with a first support, one end of the base is connected with a fixing ring, the inner wall of the fixing ring is sleeved with a second support, and the inner wall of the second support is connected with a rotating support through a ratchet mechanism. According to the invention, the humpback preventing mechanism and the waistband mechanism are arranged, the humpback preventing mechanism limits the shoulder position of a user, the waistband mechanism limits the waist of the user, and when the waist or the shoulders of the user are sore, the body cannot be adjusted, so that the applicability of the device is further improved.)

1. The utility model provides a study chair with prevent hunchback function, includes seat (1), prevents hunchback mechanism, supporting mechanism, waistband mechanism, its characterized in that: a soft cushion (2) is embedded in the top end of the seat (1), a conductive mechanism is connected between the seat (1) and the soft cushion (2), and an armrest (3) is fixed at the position, located on the outer side of the soft cushion (2), of the top end of the seat (1);

the support mechanism comprises a base (4) positioned at the bottom end of the seat (1), the bottom end of the base (4) is connected with a first support (5), one end of the base (4) is connected with a fixing ring (6), the inner wall of the fixing ring (6) is sleeved with a second support (7), the inner wall of the second support (7) is connected with a rotating support (9) through a ratchet mechanism, and a box body (8) is connected between the first support (5) and the second support (7);

wherein, prevent hunchback mechanism is including being located rotating support (9) one end back (10), the both sides of back (10) are connected with fixed axle (12), the internally mounted of fixed axle (12) has motor (14), the output of motor (14) is connected with a gear (15), the outer wall meshing of a gear (15) has cavity gear (16), the outer wall of cavity gear (16) is fixed with spacing ring (17), and is two sets of connect through universal driving shaft (18) transmission between a gear (15), and is two sets of be connected with breast board (19) between spacing ring (17), the inner wall connection of breast board (19) has gasbag (29), the one end of gasbag (29) is connected with intake pipe (13), and the other end of gasbag (29) is connected with outlet duct (30).

2. The learning chair with the humpback preventing function as claimed in claim 1, wherein: waistband mechanism is located connecting groove (11) of fixed axle (12) below simultaneously including being located seat (1) both sides, No. two motor (20) are installed to the top of connecting groove (11), the output of No. two motor (20) is connected with No. two gear (21), the outside meshing of No. two gear (21) has No. three gear (22), the top of No. two gear (21) is connected with spool (23), the outside winding of spool (23) has waistband (24), one the one end of waistband (24) is connected with draw-in groove (25), another the one end of waistband (24) is connected with fixture block (26).

3. The learning chair with the humpback preventing function as claimed in claim 1, wherein: electrically conductive mechanism is including being located inside seat (1) and spring (28) that link to each other with cushion (2), the inner wall central point department of putting of seat (1) and the bottom central point department of putting of cushion (2) all are provided with conducting strip (27).

4. The learning chair with the humpback preventing function as claimed in claim 1, wherein: ratchet is including center pin (31) that is located No. two support (7) top inner walls, the one end of center pin (31) is connected with ratchet (32), the outer wall connection of ratchet (32) has two ratchet pieces (33), the outer wall of ratchet piece (33) is fixed with rotor arm (35), the outside of rotor arm (35) is connected with No. two spring (34), two be provided with turning block (37) between rotor arm (35), the one end of turning block (37) is connected with No. three motor (36).

5. The learning chair with the humpback preventing function as claimed in claim 1, wherein: the internally mounted of box (8) has gas storehouse (38), the output port and the input port of gas storehouse (38) all have air pump (39), one through pipe connection air pump (39) link to each other through intake pipe (13) with gasbag (29), and another air pump (39) link to each other through outlet duct (30) with gasbag (29), the check valve is all installed with the outer wall of outlet duct (30) in intake pipe (13).

6. The learning chair with the humpback preventing function as claimed in claim 1, wherein: the hollow gear (16) is rotatably connected with the fixed shaft (12) through a bearing, and the part of the linkage shaft (18) penetrating through the backrest (10) is rotatably connected with the backrest (10) through the bearing.

7. The learning chair with the humpback preventing function as claimed in claim 2, characterized in that: two No. three gear (22) are connected through pivot, bearing rotation with the inner wall of spread groove (11), two port position departments of spread groove (11) are provided with the roller bearing, the both ends of roller bearing are connected through pivot, bearing rotation with the inner wall of spread groove (11).

8. The learning chair with the humpback preventing function as claimed in claim 3, wherein: the electric connection of conducting strip (27) and external power source electric connection of cushion (2) bottom central point department, conducting strip (27) and preventing hunchback mechanism, ratchet mechanism and waistband mechanism electric connection of seat (1) inner wall central point department.

9. The learning chair with the humpback preventing function as claimed in claim 4, wherein: no. three motor (36) pass through switch electric connection with external power source, the one end that ratchet piece (33) was kept away from in rotor arm (35) is rotated through pivot, bearing with the inside of No. two supports (7) and is connected, the inside fixed connection of one end and No. two supports (7) that rotor arm (35) were kept away from in No. two spring (34), the inside of No. two supports (7) be provided with turning block (37), rotor arm (35), ratchet piece (33) removal orbit assorted recess, center pin (31) are connected through the bearing rotation with No. two supports (7).

Technical Field

The invention relates to the field of learning tools, in particular to a learning chair with a humpback prevention function.

Background

Although society calls for reducing the workload of students again and again, at present, the workload of children is still large, and the children are subjected to long-term daily writing, which seriously affects the physical health of the children in the development period, and causes diseases such as spinal deformity and hypopsia.

However, the humpback prevention learning chair in the market prevents the humpback of the student through a simple auxiliary mechanism, the waist and the shoulders keep the same posture for a long time in the process, the user can feel ache, and the user can unconsciously adjust the sitting posture, so that the humpback prevention effect is reduced.

Disclosure of Invention

The invention aims to: in order to solve the problems that the hunchback preventing learning chair in the market prevents the hunchback of students through a simple auxiliary mechanism, the waist and the shoulders keep the same posture for a long time in the process and can feel aching and painful, and a user can unconsciously adjust the sitting posture of the user, so that the hunchback preventing effect is reduced, the hunchback preventing learning chair is provided.

In order to achieve the purpose, the invention provides the following technical scheme: a learning chair with a humpback prevention function comprises a chair, a humpback prevention mechanism, a support mechanism and a waistband mechanism, wherein a soft cushion is embedded in the top end of the chair, a conductive mechanism is connected between the chair and the soft cushion, and a handrail is fixed at the position, located on the outer side of the soft cushion, of the top end of the chair;

the support mechanism comprises a base positioned at the bottom end of the seat, the bottom end of the base is connected with a first support, one end of the base is connected with a fixing ring, the inner wall of the fixing ring is sleeved with a second support, the inner wall of the second support is connected with a rotating support through a ratchet mechanism, and a box body is connected between the first support and the second support;

wherein, prevent hunchback mechanism is including being located and rotate support one end back, the both sides of back are connected with the fixed axle, the internally mounted of fixed axle has a motor, the output of a motor is connected with a gear, the outer wall meshing of a gear has hollow gear, hollow gear's outer wall is fixed with the spacing ring, and is two sets of connect through the universal driving shaft between the gear, and is two sets of be connected with the breast board between the spacing ring, the inner wall connection of breast board has the gasbag, the one end of gasbag is connected with the intake pipe, and the other end of gasbag is connected with the outlet duct.

Preferably, waistband mechanism is located the spread groove of fixed axle below simultaneously including being located the seat both sides, No. two motors are installed to the top of spread groove, the output of No. two motors is connected with No. two gears, the outside meshing of No. two gears has No. three gears, the top of No. two gears is connected with the spool, the outside winding of spool has the waistband, one the one end of waistband is connected with the draw-in groove, another the one end of waistband is connected with the fixture block.

Preferably, the conducting mechanism comprises a first spring which is positioned inside the seat and connected with the cushion, and conducting strips are arranged at the center of the inner wall of the seat and the center of the bottom end of the cushion.

Preferably, the ratchet mechanism is including being located the center pin of No. two support top inner walls, the one end of center pin is connected with the ratchet, the outer wall connection of ratchet has two ratchet pieces, the outer wall of ratchet piece is fixed with the rotor arm, the outside of rotor arm is connected with No. two springs, two be provided with the turning block between the rotor arm, the one end of turning block is connected with No. three motors.

Preferably, the internally mounted of box has the gas storehouse, the output port and the input port of gas storehouse all have the air pump through pipe connection, one the air pump passes through the intake pipe with the gasbag and links to each other, and another air pump passes through the outlet duct with the gasbag and links to each other, the check valve is all installed with the outer wall of outlet duct to the intake pipe.

Preferably, the hollow gear is rotatably connected with the fixed shaft through a bearing, and the part of the linkage shaft penetrating through the backrest is rotatably connected with the backrest through a bearing.

Preferably, two No. three gears are connected through pivot, bearing rotation with the inner wall of spread groove, two port positions departments of spread groove are provided with the roller bearing, the both ends of roller bearing are connected through pivot, bearing rotation with the inner wall of spread groove.

Preferably, the conducting strip at the central position of the bottom end of the soft cushion is electrically connected with an external power supply, and the conducting strip at the central position of the inner wall of the seat is electrically connected with the humpback preventing mechanism, the ratchet mechanism and the waistband mechanism.

Preferably, No. three motors pass through switch electric connection with external power source, the one end that the ratchet piece was kept away from to the rotor arm is connected through pivot, bearing rotation with the inside of No. two supports, the one end that the rotor arm was kept away from to No. two springs is connected with the inside fixed connection of No. two supports, the inside of No. two supports is provided with and rotates piece, rotor arm, ratchet piece and move orbit assorted recess, the center pin passes through bearing rotation with No. two supports and is connected.

Compared with the prior art, the invention has the beneficial effects that:

1. according to the invention, the humpback preventing mechanism and the waistband mechanism are arranged, the humpback preventing mechanism limits the shoulder position of a user, the waistband mechanism limits the waist of the user, and when the waist or the shoulders of the user are sore, the body cannot be adjusted, so that the applicability of the device is further improved;

2. according to the invention, the ratchet mechanism is arranged, when the anti-humpback function of the ratchet mechanism is not used, the third motor is controlled to rotate, the third motor drives the rotating block to rotate through the rotating shaft and the coupler, the rotating block is in contact with one rotating arm after rotating, the rotating arm is stressed to drive the second spring to compress and rotate until one rotating arm drives the ratchet sheet connected with the rotating arm to be separated from the ratchet, and similarly, the rotating block can drive the other rotating arm to rotate, and at the moment, the angle of the backrest can be adjusted by pulling the backrest, so that the applicability of the device is further improved.

Drawings

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

FIG. 2 is a schematic structural diagram of the humpback preventing mechanism of the present invention;

FIG. 3 is a schematic view of the structure of the belt mechanism of the present invention;

FIG. 4 is a schematic structural diagram of a conductive mechanism according to the present invention;

FIG. 5 is a schematic view of the installation of the bladder of the present invention;

FIG. 6 is an enlarged view of a portion of the present invention at A;

FIG. 7 is a schematic structural view of a ratchet mechanism of the present invention;

fig. 8 is a schematic view of the installation of the gas cartridge of the present invention.

In the figure: 1. a seat; 2. a soft cushion; 3. a handrail; 4. a base; 5. a first bracket; 6. a fixing ring; 7. a second bracket; 8. a box body; 9. rotating the bracket; 10. a backrest; 11. connecting grooves; 12. a fixed shaft; 13. an air inlet pipe; 14. a first motor; 15. a first gear; 16. a hollow gear; 17. a limiting ring; 18. a linkage shaft; 19. a chest plate; 20. a second motor; 21. a second gear; 22. a third gear; 23. a reel; 24. a waistband; 25. a card slot; 26. a clamping block; 27. a conductive sheet; 28. a first spring; 29. an air bag; 30. an air outlet pipe; 31. a central shaft; 32. a ratchet wheel; 33. a ratchet plate; 34. a second spring; 35. a rotating arm; 36. a third motor; 37. rotating the block; 38. a gas bin; 39. an air pump.

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.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art. The following describes an embodiment of the present invention based on its overall structure.

Referring to fig. 1-8, a learning chair with humpback prevention function comprises a chair 1, a humpback prevention mechanism, a support mechanism and a belt mechanism, wherein a soft cushion 2 is embedded in the top end of the chair 1, a conductive mechanism is connected between the chair 1 and the soft cushion 2, and a handrail 3 is fixed at the top end of the chair 1, which is positioned at the outer side of the soft cushion 2;

the support mechanism comprises a base 4 positioned at the bottom end of the seat 1, the bottom end of the base 4 is connected with a first support 5, one end of the base 4 is connected with a fixing ring 6, the inner wall of the fixing ring 6 is sleeved with a second support 7, the inner wall of the second support 7 is connected with a rotating support 9 through a ratchet mechanism, and a box body 8 is connected between the first support 5 and the second support 7;

wherein, prevent hunchback mechanism is including being located and rotate support 9 one end back 10, the both sides of back 10 are connected with fixed axle 12, the internally mounted of fixed axle 12 has a motor 14, the output of a motor 14 is connected with a gear 15, the outer wall meshing of a gear 15 has hollow gear 16, hollow gear 16's outer wall is fixed with spacing ring 17, connect through the universal driving shaft 18 transmission between two sets of gears 15, be connected with breast board 19 between two sets of spacing ring 17, the inner wall connection of breast board 19 has gasbag 29, the one end of gasbag 29 is connected with intake pipe 13, and the other end of gasbag 29 is connected with outlet duct 30.

As a preferred embodiment of the invention, the belt mechanism comprises connecting grooves 11 which are positioned at two sides of the seat 1 and are positioned below the fixed shaft 12, a second motor 20 is arranged above the connecting grooves 11, the output end of the second motor 20 is connected with a second gear 21, the outer side of the second gear 21 is engaged with a third gear 22, the top end of the second gear 21 is connected with a reel 23, a belt 24 is wound on the outer side of the reel 23, one end of one belt 24 is connected with a clamping groove 25, one end of the other belt 24 is connected with a clamping block 26, so that the waist of a user is limited by the belt mechanism, and the humpback prevention performance of the device is further improved.

As the preferred embodiment of the invention, the conductive mechanism comprises a first spring 28 which is positioned inside the seat 1 and connected with the soft cushion 2, and the center position of the inner wall of the seat 1 and the center position of the bottom end of the soft cushion 2 are both provided with a conductive sheet 27, so that the purpose of electrifying the device when a person uses the device can be realized through the conductive mechanism.

As a preferred embodiment of the invention, the ratchet mechanism comprises a central shaft 31 positioned on the inner wall of the top end of the second bracket 7, one end of the central shaft 31 is connected with a ratchet 32, the outer wall of the ratchet 32 is connected with two ratchet pieces 33, a rotating arm 35 is fixed on the outer wall of each ratchet piece 33, the outer side of each rotating arm 35 is connected with a second spring 34, a rotating block 37 is arranged between the two rotating arms 35, and one end of each rotating block 37 is connected with a third motor 36, so that the rotating angle of the backrest 10 can be controlled conveniently through the ratchet mechanism.

As the preferred embodiment of the invention, the inside of the box body 8 is provided with an air chamber 38, the output port and the input port of the air chamber 38 are connected with air pumps 39 through guide pipes, one air pump 39 is connected with the air bag 29 through an air inlet pipe 13, the other air pump 39 is connected with the air bag 29 through an air outlet pipe 30, and the outer walls of the air inlet pipe 13 and the air outlet pipe 30 are provided with one-way valves, so that the air bag 29 can be conveniently inflated or deflated.

As the preferred embodiment of the invention, the hollow gear 16 is rotatably connected with the fixed shaft 12 through a bearing, so as to reduce the friction force between the hollow gear 16 and the fixed shaft 12, and the part of the linkage shaft 18 penetrating through the backrest 10 is rotatably connected with the backrest 10 through a bearing, so as to reduce the friction force between the linkage shaft 18 and the backrest 10.

As a preferred embodiment of the present invention, the two third gears 22 are rotatably connected to the inner wall of the connecting groove 11 through a rotating shaft and a bearing, so that the two third gears 22 can rotate conveniently, the rolling shafts are disposed at the two ports of the connecting groove 11, so that the friction between the waistband 24 and the ports of the connecting groove 11 can be reduced conveniently, and the two ends of the rolling shaft are rotatably connected to the inner wall of the connecting groove 11 through the rotating shaft and the bearing, so that the friction between the rolling shaft and the connecting groove 11 can be reduced conveniently.

As a preferred embodiment of the invention, the conducting strip 27 at the central position of the bottom end of the soft cushion 2 is electrically connected with an external power supply, and the conducting strip 27 at the central position of the inner wall of the seat 1 is electrically connected with the humpback preventing mechanism, the ratchet mechanism and the waistband mechanism, so that the humpback preventing mechanism, the ratchet mechanism and the waistband mechanism can operate conveniently when a user uses the device.

As a preferred embodiment of the present invention, the third motor 36 is electrically connected to an external power source through a switch, so that the third motor 36 is controlled to operate through the switch, one end of the rotating arm 35, which is away from the ratchet piece 33, is rotatably connected to the inside of the second bracket 7 through a rotating shaft and a bearing, one end of the rotating arm 35 rotates inside the second bracket 7, one end of the second spring 34, which is away from the rotating arm 35, is fixedly connected to the inside of the second bracket 7, a groove matched with a moving track of the rotating block 37, the rotating arm 35, and the ratchet piece 33 is arranged inside the second bracket 7, so that the rotating block 37, the rotating arm 35, and the ratchet piece 33 rotate inside the second bracket 7, and the central shaft 31 is rotatably connected to the second bracket 7 through a bearing, so that a friction force between the central shaft 31 and the second bracket 7 is reduced.

The working principle is as follows: firstly, when the device is used, after a user sits on the cushion 2, the cushion 2 is stressed to drive the first spring 28 to compress until the conducting strip 27 at the bottom end of the cushion 2 is contacted with the conducting strip 27 on the inner wall of the seat 1, at the moment, a power circuit is switched on, the first motor 14 is controlled to operate by a switch, the first motor 14 drives the first gear 15 to rotate through a rotating shaft and a coupling, the first gear 15 drives the other first gear 15 to rotate through the linkage shaft 18, the first gear 15 drives the limiting ring 17 to rotate through the hollow gear 16 until one end of the limiting ring 17 is in a vertical state, at the moment, the switch controls the operation of an air pump 39, the air pump 39 conveys high-pressure air in the air bin 38 into the air bag 29 through the air inlet pipe 13, the air bag 29 is stressed to expand, and the chest of the user is limited by one end of the expanded air; then, respectively pulling the clamping groove 25 and the clamping block 26 until the clamping groove 25 and one end of the clamping block 26 are clamped with each other, and then, if the waistband is too loose, by starting the second motor 20, the second motor 20 drives the second gear 21 to rotate, the second gear 21 drives the two third gears 22 to rotate, and the third gear 22 rotates to wind the waistband 24 until the waistband 24 can effectively limit the waist of a user; finally, when the user uses the device normally, but not use the anti-humpback function, the third motor 36 is controlled to rotate, the third motor 36 drives the rotating block 37 to rotate through the rotating shaft and the coupling, the rotating block 37 contacts with one rotating arm 35 after rotating, the rotating arm 35 is forced to drive the second spring 34 to compress and rotate until one rotating arm 35 drives the ratchet piece 33 connected with the rotating arm to separate from the ratchet 32, and similarly, the rotating block 37 can drive the other rotating arm 35 to rotate, and at this time, the angle of the backrest 10 can be adjusted by pulling the backrest 10.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.