CN115153234A

CN115153234A - Kneeling posture chair with swing function

Info

Publication number: CN115153234A
Application number: CN202210822236.8A
Authority: CN
Inventors: 陆赢春
Original assignee: Nantong Jiuzheng Ergonomic Co ltd
Current assignee: Nantong Jiuzheng Ergonomic Co ltd
Priority date: 2022-07-12
Filing date: 2022-07-12
Publication date: 2022-10-11
Anticipated expiration: 2042-07-12
Also published as: CN115153234B

Abstract

The invention relates to the technical field of chairs, in particular to a kneeling chair with a swinging function, which comprises: a chassis having a pair of bottom beams arranged in parallel; the swing frame is positioned between the two bottom beams and comprises a horizontal section positioned at the bottom, two ends of the horizontal section respectively extend upwards in an inclined manner to form inclined sections, the inclined section at one side is bent upwards to form a first beam for mounting a leg pad, the inclined section at the other side is bent upwards to form a second beam for mounting a cushion, the height of the leg pad is lower than that of the cushion, and the horizontal section is rotatably connected with the bottom beams through a rotating shaft; the base is fixed between the two bottom beams and positioned above the horizontal section; the kneeling chair is characterized in that the two groups of spring steel sheets are symmetrically arranged at the bottom of the base, one ends of the two groups of spring steel sheets, which are relatively close to each other, are fixed on the base, the ends, which are relatively far away from each other, are free ends, and the free ends of the two groups of spring steel sheets are respectively abutted against the upper surface of the inclined section at one side.

Description

Kneeling posture chair with swinging function

Technical Field

The invention relates to the technical field of chairs, in particular to a kneeling chair with a swinging function.

Background

A kneeling position chair is a chair for sitting on the human body in a kneeling position, generally comprising a seat cushion, leg cushions and a chair frame, wherein the seat cushion and the leg cushions are fixed on the chair frame, so that the seat cushion supports the buttocks of the human body, and the leg cushions support the two knees of the human body.

In order to enable a person to sit for a long time and be not easy to fatigue, the kneeling position chair in the prior art mostly adjusts the chair to the best sitting position by improving the angles of the cushion surface and the leg cushion surface so as to keep the most natural and comfortable sitting position of the human body, so that the person is not easy to fatigue when sitting for a long time.

The information disclosed in this background section is only for enhancement of understanding of the general background of the disclosure and should not be taken as an acknowledgement or any form of suggestion that this information forms the prior art that is already known to a person skilled in the art.

Disclosure of Invention

The technical problem to be solved by the invention is as follows: provides a kneeling chair with a swinging function, which can make a person swing the chair by adjusting the gravity center of the person sitting on the chair, move the limbs and reduce the fatigue feeling of long-time sitting.

In order to achieve the purpose, the invention adopts the technical scheme that: a kneeling chair with rocking function comprising:

a chassis having a pair of bottom beams arranged in parallel;

the swing frame is positioned between the two bottom beams and comprises a horizontal section positioned at the bottom, two ends of the horizontal section respectively extend upwards in an inclined manner to form inclined sections, the inclined section at one side is bent upwards to form a first beam for mounting leg pads, the inclined section at the other side is bent upwards to form a second beam for mounting a cushion, the height of the leg pads is lower than that of the cushion, and the horizontal section is rotatably connected with the bottom beams through a rotating shaft;

the base is fixed between the two bottom beams and positioned above the horizontal section;

the two groups of spring steel sheets are symmetrically arranged at the bottom of the base, one end, close to the base, of each spring steel sheet is fixed on the base, the end portion, far away from the base, of each spring steel sheet is a free end, and the free end of each spring steel sheet is respectively abutted to the upper surface of the inclined section.

Further, the base comprises a groove-shaped block with an opening at the top, clamping plates and an upper cover plate, wherein one end, close to the spring steel sheet, of each group is fixed at the bottom of the groove-shaped block through the clamping plates, the upper cover plate is located above the groove-shaped block, and two sides of the upper cover plate are detachably connected to the bottom beam.

Further, the base still includes two L templates, the L template includes riser and diaphragm, cell type piece bottom lateral wall has the confession the spacing hole that the riser passed, the spring steel sheet centre gripping in the diaphragm with between the cell type piece bottom, the riser is used for right the end of spring steel sheet is spacing.

Further, be provided with two sets of tension adjusting parts in the base, every group tension adjusting part is located a set of respectively spring steel sheet top, tension adjusting part includes tension block, lead screw and knob, the bottom of tension block with spring steel sheet is contradicted to be connected, the top has the confession the screw hole that the lead screw passed, groove type block top respectively to the rake level extends and is formed a limit baffle, tension block top with limit baffle bottom sliding contact, the knob is located in the groove type block and with lead screw fixed connection makes through the rotation the lead screw makes the tension block is close to or keeps away from the groove type block removes.

Furthermore, the upper cover plate is provided with a first opening for the knob to pass through, the upper cover plate is further provided with an avoiding hole channel at the moving track of the top of the tension block, mounting plates are arranged at two ends of the screw rod of the cover plate, and the mounting plates are provided with round holes for the screw rod to pass through.

Furthermore, a dust guard is arranged above the cover plate, and the dust guard is provided with a second opening for the knob to pass through.

Further, a protective sleeve is further installed at the free end of the spring steel sheet.

Furthermore, the two groups of spring steel sheets comprise a plurality of spring steel sheets with the same size, and the number of the spring steel sheets positioned under the leg pads is more than that of the spring steel sheets positioned under the seat cushion.

Further, at least one of the first beam and the second beam is provided with a long hole, through which a first bolt for fixing the seat cushion or the leg cushion passes, and the position of the first bolt passing through the long hole is adjustable.

Furthermore, the swing frame further comprises a locking screw rod, a first round hole for the locking screw rod to penetrate through is formed in the bottom beam, a locking nut is fixedly arranged on the swing frame, and the locking screw rod penetrates through the first round hole and is connected with the locking nut.

Furthermore, the chassis further comprises symmetrically arranged fixing rods, the fixing rods are respectively and vertically connected with the two ends of the bottom beam, truckles are arranged at the bottoms of the two ends of each fixing rod, and the truckles at the two ends of the bottom of one fixing rod are provided with brakes.

The invention has the beneficial effects that: the kneeling chair with the swinging function provided by the invention has the advantages that the horizontal section positioned at the bottom is rotatably connected with the bottom beam through the rotating shaft, so that the swinging frame can rotate by taking the rotating shaft as a fulcrum, the two groups of spring steel sheets are respectively positioned at two sides of the horizontal section in the length direction, one ends, relatively close to the spring steel sheets, of the spring steel sheets are in fixed relation with the bottom beam through the base, the end, relatively far away from the spring steel sheets, of the spring steel sheets is a free end, a person sitting on the kneeling chair can rotate the swinging frame through the adjustment of the gravity center of the person, such as forward leaning or backward leaning of the body, and the spring steel sheets at one side are deformed by the movement of the inclined section to form resilience, so that the excessive inclination of the body of the person can be prevented, the swinging frame can be more easily swung backwards, the repeated swinging effect is formed, the movement of limbs is realized, and the fatigue of long-time sitting is relieved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments described in the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic view of a kneeling chair with a rocking function according to an embodiment of the present invention;

FIG. 2 is a side view of a kneeling chair with a rocking function in an embodiment of the present invention;

FIG. 3 is a schematic view of the assembly of the chassis according to an embodiment of the present invention;

FIG. 4 is a schematic view of a swing frame assembly according to an embodiment of the present invention;

FIG. 5 is a schematic view of a swing frame and chassis assembly according to an embodiment of the present invention;

FIG. 6 is a schematic view of the assembly of the base according to the embodiment of the present invention;

FIG. 7 is a schematic view of the assembly of the base and the chassis according to the embodiment of the present invention;

FIG. 8 is a schematic view of the assembly of the lead screw and the knob in the embodiment of the present invention;

FIG. 9 is a schematic view of the assembly of the dust cap and the chassis according to the embodiment of the present invention;

FIG. 10 is a schematic view of the assembly of the locking screw in an embodiment of the present invention.

Reference numerals: 1. a chassis; 2. a bottom beam; 3. a swing frame; 4. a horizontal segment; 5. an inclined section; 6. a first beam; 7. a second beam; 8. a rotating shaft; 9. a spring steel sheet; 10. a free end; 11. a trough-shaped block; 12. a splint; 13. an upper cover plate; 14. an L-shaped plate; 15. a limiting hole; 16. a tension block; 17. a screw rod; 18. a knob; 19. a limit baffle; 20. a first opening; 21. avoiding the pore canal; 22. mounting a plate; 23. a dust-proof plate; 24. a second opening; 25. a protective sleeve; 26. a strip hole; 27. a first bolt; 28. locking the screw rod; 29. a fixing rod; 30. a caster wheel; 31. an arc-shaped surface; 32. a connecting plate.

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.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

A kneeling chair with rocking function as shown in fig. 1 to 10, comprising:

a chassis 1 having a pair of bottom beams 2 arranged in parallel; the swing frame 3 is positioned between the two bottom beams 2 and comprises a horizontal section 4 positioned at the bottom, two ends of the horizontal section 4 respectively extend upwards in an inclined manner to form inclined sections 5, the inclined section 5 at one side is upwards bent to form a first beam 6 for mounting leg pads, the inclined section 5 at the other side is upwards bent to form a second beam 7 for mounting a cushion, the height of the leg pads is lower than that of the cushion, and the horizontal section 4 is rotatably connected with the bottom beams 2 through a rotating shaft 8; the base is fixed between the two bottom beams 2 and is positioned above the horizontal section 4; two sets of spring steel sheets 9, the symmetry sets up in the bottom of base, and the one end that two sets of spring steel sheets 9 are close to relatively all is fixed in on the base, and the tip of keeping away from relatively is free end 10, and the free end 10 of every group spring steel sheet 9 offsets with the upper surface of one side slope section 5 respectively.

In the embodiment provided by the present disclosure, the chassis 1 has a pair of bottom beams 2, further needs some frame beams to connect the bottom beams 2 into a whole, and simultaneously needs legs or wheels to lift the chassis 1 by a certain height, thereby satisfying the rotation of the horizontal segment 4, avoiding the contact with the ground in the swinging process of the horizontal segment 4, in order to reduce the processing difficulty, and simultaneously ensuring the bearing strength of the swinging frame 3, the swinging frame 3 is formed by continuously bending a pair of hollow square pipes as shown in fig. 4, specifically, the horizontal segment 4 is formed by bending the hollow square pipe near the middle, the inclined segments 5 are formed by bending the two sides of the horizontal segment 4 upwards in an inclined manner, the included angles between the inclined segments 5 and the horizontal segment 4 are obtuse angles, and the included angles between the two inclined segments 5 and the horizontal segment 4 are equal, the inclined segment 5 on one side is bent into the first beam 6 through an arc, the top mounting portion of the first beam 6 is in an inclined manner, the leg pad mounted above is kept inclined, the inclined segment 5 on the other side is bent upwards by 90 degrees, a section is formed into an elongated segment, then bent into the second beam 7, the height of the second beam 7 is higher than the spring, the spring end of the spring which is fixed to the free end of the spring which is fixed to the bottom beam 9, and the spring end of the base which is fixed to be close to the free end of the base 9 of the base which is fixed to the spring 9, and is fixed to be fixed to the base 9 of the base seat. The people who sits on kneeling posture chair is through the adjustment of self focus, for example the health leans forward or the back-up, thereby make and sway frame 3 and take place to rotate, and the removal of slope section 5 makes the spring steel sheet 9 of one side take place to warp, form the resilience force, for example the health leans forward, the leg gives the pressure grow of leg pad, and the buttock gives the pressure of cushion and diminishes, make the slope section 5 rebound that is located the cushion below, the spring steel sheet 9 extrusion to this side makes its deformation form the resilience force, and then prevent that the health from inclining excessively, can also form the pendulum-back force simultaneously, guarantee people's swing back and forth process, obvious technological effect has.

As a specific disclosure of the embodiment, the base includes a groove-shaped block 11 with an open top, a clamping plate 12 and an upper cover plate 13, one end of each set of spring steel sheets 9, which is relatively close to, is fixed at the bottom of the groove-shaped block 11 through the clamping plate 12, the upper cover plate 13 is located above the groove-shaped block 11, two sides of the upper cover plate 13 are detachably connected to the bottom beam 2, the spring steel sheets 9 apply an upward force to the groove-shaped block 11, the upper cover plate 13 is fixed on the upper surface of the bottom beam 2 through bolts for limiting the groove-shaped block 11, and the groove-shaped block 11, under the fixation of the upper cover plate 13, transmits force to the spring steel sheets 9 to stabilize the groove-shaped block.

In order to further fix the spring steel sheet 9, the base further comprises two L-shaped plates 14, each L-shaped plate 14 comprises a vertical plate and a transverse plate, a limiting hole 15 for the vertical plate to penetrate through is formed in the side wall of the bottom of the groove-shaped block 11, the spring steel sheet 9 is clamped between the transverse plate and the bottom of the groove-shaped block 11, the vertical plate is used for limiting the end of the spring steel sheet 9, if the L-shaped plate 14 does not limit the spring steel sheet 9, the free end 10 of the spring steel sheet 9 can easily move towards the spring steel sheet 9 on the other side under the force given by the inclined section 5, therefore, the transverse movement of the spring steel sheet 9 is limited through the L-shaped plates 14, the using effect of the spring steel sheet 9 is guaranteed, and the spring steel sheet 9 is prevented from moving under stress.

In some embodiments of the present disclosure, two sets of tension adjusting assemblies are disposed in the base, each set of tension adjusting assembly is located above one set of spring steel sheet 9, each tension adjusting assembly includes a tension block 16, a lead screw 17 and a knob 18, the bottom of the tension block 16 is connected with the spring steel sheet 9 in an abutting mode, the top of the tension block has a threaded hole for the lead screw 17 to pass through, the top of the groove-shaped block 11 extends horizontally to the inclined portion to form a limit baffle 19, the top of the tension block 16 is in sliding contact with the bottom of the limit baffle 19, the knob 18 is located in the groove-shaped block 11 and is fixedly connected with the lead screw 17, and the tension block 16 moves close to or away from the groove-shaped block 11 by rotating the lead screw 17. As can be seen from the figure, after the tension block 16 moves away from the groove-shaped block 11, the length of the spring steel sheet 9 which can deform is shortened, and when the inclined section 5 moves to the same height, the resilience force generated by the spring steel sheet 9 is larger, so that the spring steel sheet can be properly adjusted according to the weight of a person, and the use requirements of different types of people can be met.

In some embodiments of the present disclosure, the upper cover plate 13 has a first opening 20 through which the knob 18 passes, the upper cover plate 13 further has an escape hole 21 at a moving track of the top of the tension block 16, so that people can directly screw the knob 18 without opening the upper cover plate 13, the cover plate is provided with mounting plates 22 at both ends of the screw rod 17, the mounting plates 22 have circular holes through which the screw rod 17 passes, so as to limit the position of the screw rod 17, so that the screw rod 17 is limited in the middle of the groove-shaped block 11, thereby ensuring that both sides of the tension block 16 are aligned with the groove-shaped block 11.

In some embodiments of the present disclosure, the bottom of the tension block 16 has an arc surface 31, and the end surface close to the slot-shaped block 11 is a plane, wherein the end surface close to the slot-shaped block 11 is a vertical plane in order to be aligned with the slot-shaped block 11, and the arc surface 31 is arranged in order to more easily attach to the deformed spring steel sheet 9, so as to increase the contact area with the spring steel sheet 9, so that the spring steel sheet 9 is not easily broken, and therefore, the present disclosure has practicability.

In order to cover the first opening 20 and the avoiding hole 21 as much as possible, a dust-proof plate 23 is further arranged above the cover plate, the dust-proof plate 23 is provided with a second opening 24 for the knob 18 to pass through, the second opening 24 is formed corresponding to the knob 18, and the size of the second opening is smaller than that of the first opening 20, so that dust is reduced, and meanwhile, the attractiveness and tidiness are improved.

More specifically, the protective sleeve 25 is further installed at the free end 10 of each spring steel sheet 9, the protective sleeve 25 can be made of flexible materials, hard contact with the inclined section 5 is reduced, two groups of spring steel sheets 9 comprise a plurality of spring thin steel sheets of the same size, the number of the spring thin steel sheets under the leg pads is larger than that of the spring thin steel sheets under the cushion, the number of the two groups of spring steel sheets 9 is different, the pressure applied to the leg pads by legs is smaller than that of the cushion applied by buttocks, therefore, the human body is easy to lean backwards and is not easy to lean forwards, the forward leaning force and the backward leaning force of the human body can be balanced when the kneeling chair leaves a factory by adjusting the number of the spring thin steel sheets by an inventor, the human body can swing more smoothly, the tension adjusting assembly can be adopted for fine adjustment according to different body weights of users subsequently, and the protective sleeve 25 has the function of fixing the plurality of spring thin steel sheets together, and accordingly the deformation of the spring thin steel sheets is uniform.

In some embodiments of the present disclosure, in order to adjust the position of the seat cushion, the second beam 7 is provided with a long hole 26, the first bolt 27 for fixing the seat cushion passes through the long hole 26, the position of the first bolt 27 passing through the long hole 26 is adjustable, and for people with long legs, the seat cushion needs to be moved a certain distance away from the leg cushion, and the requirement just above is met by providing the long hole 26.

In some embodiments of the present disclosure, the swing frame further includes a locking screw 28, the bottom beam 2 is provided with a first circular hole for the locking screw 28 to pass through, the swing frame 3 is fixedly provided with a locking nut, the locking screw 28 passes through the first circular hole and is connected with the locking nut, the locking nut is welded or fixed inside the swing frame 3 in other ways, as the user sometimes does not need to swing the chair in a kneeling posture, after the locking screw 28 passes through the first circular hole and is screwed into the locking nut, the swing frame 3 can be limited, the swing is prevented, and the swing is to be performed again, and the locking bolt 28 is screwed out.

As the specific disclosure of the above embodiment, the kneeling position chair is convenient to move, the chassis 1 further comprises symmetrically arranged fixing rods 29, the fixing rods 29 are respectively and vertically connected with two ends of the bottom beam 2, casters 30 are arranged at the bottoms of two ends of each fixing rod 29, and the casters 30 at two ends of the bottom of one fixing rod 29 are provided with brakes, and after the fixing rod is moved to a use position, the fixing rod can be fixed through the casters 30 with the brakes, so that a user can use the fixing rod conveniently.

In order to help those skilled in the art to grasp the present invention more conveniently, the present invention now discloses the assembly process of the best product in the embodiment, specifically:

first, chassis assembly

As shown in fig. 3, the chassis 1 is assembled by mounting the bottom beam 2 between the fixing rods 29 with screws, fixing the caster 30 to the bottom of both ends of the fixing rods 29, and fitting both ends of the fixing rods 29 into the seals.

Second, the swing frame is assembled with the chassis

As shown in fig. 4 and 5, the seat cushion support plate and the leg cushion support plate are fixed to the swing frame 3 by bolts and spacers, the connecting plates 32 are attached to both sides of the swing frame 3, and the rotary shaft 8 is rotatably connected to the connecting plates 32 through the base member 2.

Thirdly, assembling the spring steel sheet

As shown in fig. 6, two groups of spring steel sheets 9, one group of three sheets, the other group of five sheets, a protective sleeve 25 assembled at the free end 10, the spring steel sheets 9 are placed on an L-shaped plate 14, a vertical plate of the L-shaped plate 14 is inserted into a limiting hole 15, a clamping plate 12 is placed below the L-shaped plate 14, and the clamping plate 12 is fixed at the bottom of a groove-shaped block 11 through bolts.

Fourthly, assembling the base and the chassis

As shown in fig. 7-9, the base assembled in the third step is placed in the middle of the swing frame 3, the tension blocks 16 are respectively placed on both sides of the groove-shaped block 11, the upper cover plate 13 is placed at the corresponding hole position of the bottom beam 2, the upper cover plate 13 is fixed on the bottom beam 2 through bolts and gaskets, the screw rod 17 passes through the circular hole of the limit baffle 19 and the threaded hole at the top of the tension block 16, the knob 18 is placed in the groove-shaped block 11 and is fixedly connected with the screw rod 17, and the dust-proof plate 23 is placed on the upper cover plate 13 and is fixedly connected through screws.

Fifthly, assembling the locking screw

As shown in fig. 10, the locking screw 28 is threaded into the locking nut after passing through the first circular hole, and the assembly is completed.

The above assembling manner is only one preferred manner disclosed in this embodiment, the above step sequence is not the only assembling manner, and the step sequence may be partially adjusted as required, and is not described herein again.

It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are given by way of illustration of the principles of the present invention, but that various changes and modifications may be made without departing from the spirit and scope of the invention, and such changes and modifications are within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A kneeling chair with rocking function, comprising:

a chassis (1) having a pair of bottom beams (2) arranged in parallel;

the swing frame (3) is positioned between the two bottom beams (2) and comprises a horizontal section (4) positioned at the bottom, two ends of the horizontal section (4) are respectively inclined upwards and extend to form an inclined section (5), the inclined section (5) on one side is bent upwards to form a first beam (6) for mounting leg pads, the inclined section (5) on the other side is bent upwards to form a second beam (7) for mounting a cushion, the height of the leg pads is lower than that of the cushion, and the horizontal section (4) is rotatably connected with the bottom beams (2) through a rotating shaft (8);

the base is fixed between the two bottom beams (2) and is positioned above the horizontal section (4);

two sets of spring steel sheet (9), the symmetry set up in the bottom of base, two sets of spring steel sheet (9) are close to relatively one end all be fixed in on the base, the tip of keeping away from relatively is free end (10), every group spring steel sheet (9) free end (10) respectively with one side the upper surface of slope section (5) is inconsistent.

2. Kneeling chair with rocking function according to claim 1 characterized by that the base comprises a channel block (11) with open top, a splint (12) and an upper cover plate (13), the one end of each set of the spring steel sheet (9) relatively close to is fixed to the bottom of the channel block (11) through the splint (12), the upper cover plate (13) is located above the channel block (11), the two sides of the upper cover plate (13) are detachably connected to the bottom beam (2).

3. The chair with kneeling posture and swinging function as claimed in claim 2, wherein the base further comprises two L-shaped plates (14), the L-shaped plates (14) comprise a vertical plate and a transverse plate, the side wall of the bottom of the grooved block (11) is provided with a limiting hole (15) for the vertical plate to pass through, the spring steel sheet (9) is clamped between the transverse plate and the bottom of the grooved block (11), and the vertical plate is used for limiting the end of the spring steel sheet (9).

4. The kneeling chair with the function of swinging according to claim 2, characterized in that two sets of tension adjusting components are arranged in the base, each set of tension adjusting components is respectively located above one set of the spring steel sheet (9), the tension adjusting components comprise a tension block (16), a screw rod (17) and a knob (18), the bottom of the tension block (16) is connected with the spring steel sheet (9) in an abutting mode, the top of the tension block is provided with a threaded hole for the screw rod (17) to pass through, the top of the groove-shaped block (11) respectively extends horizontally to the inclined part to form a limit baffle (19), the top of the tension block (16) is in sliding contact with the bottom of the limit baffle (19), the knob (18) is located in the groove-shaped block (11) and is fixedly connected with the screw rod (17), and the tension block (16) is moved close to or far away from the groove-shaped block (11) by rotating the screw rod (17).

5. The kneeling chair with rocking function of claim 4 is characterized in that the upper cover plate (13) has a first opening (20) for the knob (18) to pass through, the upper cover plate (13) further has an avoidance hole (21) at the moving track of the top of the tension block (16), the cover plate is provided with a mounting plate (22) at both ends of the screw rod (17), and the mounting plate (22) has a round hole for the screw rod (17) to pass through.

6. Kneeling chair with rocking function according to claim 5 characterized in that above the cover plate is also placed a dust guard (23), which dust guard (23) has a second opening (24) for the knob (18) to pass through.

7. Kneeling chair with rocking function according to claim 1 characterized by the fact that at the free end (10) of the spring steel sheet (9) is also mounted a protective sleeve (25).

8. Kneeling chair with rocking function according to claim 1 characterized in that at least one of the first beam (6) and the second beam (7) is provided with a long hole (26), through which long hole (26) a first bolt (27) for fixing the seat cushion or the leg cushion passes, the position of which first bolt (27) passes through the long hole (26) being adjustable.

9. The kneeling chair with rocking function of claim 1 further comprising a locking screw (28), wherein the bottom beam (2) is provided with a first circular hole for the locking screw (28) to pass through, the rocking frame (3) is fixedly provided with a locking nut, and the locking screw (28) passes through the first circular hole and is connected with the locking nut.

10. The kneeling chair with rocking function according to claim 1, wherein the chassis (1) further comprises symmetrically arranged fixing rods (29), the fixing rods (29) are respectively vertically connected with two ends of the bottom beam (2), casters (30) are arranged at the bottoms of two ends of the fixing rods (29), and the casters (30) at two ends of the bottom of one of the fixing rods (29) are provided with brakes.