CN115153234B - Kneeling chair with swinging function - Google Patents

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 side-by-side bottom beams; the swinging frame is positioned between the two bottom beams and comprises a horizontal section positioned at the bottom, two ends of the horizontal section are respectively and obliquely extended upwards to form an inclined section, one side of the inclined section is upwardly bent to form a first beam for mounting a leg pad, the other side of the inclined section is upwardly bent 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 rotationally connected with the bottom beam through a rotating shaft; the base is fixed between the two bottom beams and is positioned above the horizontal section; 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, are fixed on the base, the ends, which are relatively far away, are free ends, and the free ends of each group of spring steel sheets respectively collide with the upper surface of the inclined section on one side.

Description

Kneeling 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 that provides a person to sit in a kneeling position, and generally includes a seat cushion, leg pads, and a chair frame, the seat cushion and leg pads being fixed to the chair frame such that the seat cushion supports the buttocks of the person and the leg pads support the knees of the person.

In order to enable a person to sit for a long time, the kneeling chair in the prior art is not easy to fatigue, most of the chair is adjusted to a 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 person, so that the person is not easy to fatigue in sitting for a long time, however, because the kneeling chair is different from a normal chair, legs can be freely stretched, the person can keep a kneeling state for a long time, and the fatigue in sitting for a long time is still easy to cause, so that the use effect of the person is affected.

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

Disclosure of Invention

The technical problems to be solved by the invention are as follows: to provide a kneeling chair with a swinging function, which can enable a person sitting on the chair to swing the chair by adjusting the gravity center of the person sitting on the chair, and can move limbs, thereby reducing the fatigue feeling of sedentary sitting.

In order to achieve the above purpose, the technical scheme adopted by the invention is as follows: a kneeling chair with rocking function, comprising:

a chassis having a pair of side-by-side bottom beams;

The swinging frame is positioned between the two bottom beams and comprises a horizontal section positioned at the bottom, two ends of the horizontal section are respectively and obliquely extended upwards to form an inclined section, one side of the inclined section is upwardly bent to form a first beam for mounting a leg pad, the other side of the inclined section is upwardly bent 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 rotationally connected with the bottom beam through a rotating shaft;

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

The two groups of spring steel sheets are symmetrically arranged at the bottom of the base, one ends, relatively close to each other, of the two groups of spring steel sheets are fixed on the base, the ends, relatively far away from each other, of the two groups of spring steel sheets are free ends, and the free ends of the two groups of spring steel sheets are respectively abutted to the upper surface of the inclined section on one side.

Further, the base comprises a groove-shaped block with an opening at the top, clamping plates and an upper cover plate, one end, relatively close to the spring steel sheet, of each group is fixed to 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 beams.

Further, the base also comprises two L-shaped plates, each L-shaped plate comprises a vertical plate and a transverse plate, the side wall of the bottom of each groove-shaped block is provided with a limiting hole for the vertical plate to pass through, the spring steel sheet is clamped between the transverse plates and the bottom of each groove-shaped block, and the vertical plates are used for limiting the ends of the spring steel sheets.

Further, be provided with two sets of tension adjusting assembly in the base, every group tension adjusting assembly is located a set of respectively the spring steel sheet top, tension adjusting assembly includes tension block, lead screw and knob, the bottom of tension block with the spring steel sheet is contradicted and is connected, the top has the confession the screw hole that the lead screw passed, the cell type piece top respectively to the slope section horizontal extension is formed with limit baffle, the tension block top with limit baffle bottom sliding contact, the knob be located in the cell type piece and with lead screw fixed connection makes through rotatory the lead screw the tension block is close to or keeps away from the cell type piece removes.

Further, 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 avoidance pore canal at the moving track of the top of the tension block, the two ends of the screw rod of the cover plate are respectively provided with a mounting plate, and the mounting plates are provided with round holes for the screw rod to pass through.

Further, a dust guard is further 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 arranged at the free end of the spring steel sheet.

Further, both groups of the spring steel sheets comprise a plurality of spring steel sheets with the same size, and the number of the spring steel sheets positioned right below the leg pads is larger than that of the spring steel sheets positioned right below the seat pads.

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

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

Further, the chassis still includes the dead lever that the symmetry set up, the dead lever respectively with the floorpan both ends are connected perpendicularly, the both ends bottom of dead lever is provided with the truckle, and one of them the truckle at dead lever bottom both ends takes the brake.

The beneficial effects of the invention are as follows: according to the kneeling chair with the swinging function, the horizontal section at the bottom is rotationally connected with the bottom beam through the rotating shaft, so that the swinging frame can rotate by taking the rotating shaft as a fulcrum, two groups of spring steel sheets are respectively positioned at two sides of the horizontal section in the length direction, one end of each spring steel sheet, which is relatively close to the horizontal section, is in a fixed relation with the bottom beam through the base, the end, which is relatively far away from the spring steel sheet, is a free end, a person sitting on the kneeling chair can rotate the swinging frame through adjusting the gravity center of the person, such as leaning forward or leaning backward, and the movement of the inclined section enables one side of the spring steel sheet to deform to form resilience force, so that the body of the person is prevented from being excessively inclined, the swinging frame can swing back more easily, repeated swinging effects are formed, limb activities are realized, and long-sitting fatigue 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 that are required to be used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings may be obtained according to the drawings without inventive effort to those skilled in the art.

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

Figure 2 is a side view of a kneeling chair with rocking functionality in an embodiment of the present invention;

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

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

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

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

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

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

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

FIG. 10 is a schematic view of an assembled locking screw according to an embodiment of the present invention.

Reference numerals: 1. a chassis; 2. a bottom beam; 3. a swing frame; 4. a horizontal section; 5. an inclined section; 6. a first beam; 7. a second beam; 8. a rotation shaft; 9. a spring steel sheet; 10. a free end; 11. a trough-shaped block; 12. a clamping plate; 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. a mounting plate; 23. a dust-proof plate; 24. a second opening; 25. a protective sleeve; 26. a slit hole; 27. a first bolt; 28. a locking screw; 29. a fixed rod; 30. casters; 31. an arc surface; 32. and (5) connecting a plate.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments.

It will be understood that when an element is referred to as being "fixed 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 are used herein for illustrative purposes only and are not meant to be the only 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 herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

Kneeling-posture chair with swinging function as shown in fig. 1 to 10, comprising:

A chassis 1 having a pair of side-by-side bottom beams 2; the swinging 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 and obliquely extended upwards to form an inclined section 5, one side of the inclined section 5 is upwardly bent to form a first beam 6 for mounting a leg pad, the other side of the inclined section 5 is upwardly bent to form a second beam 7 for mounting a cushion, the height of the leg pad is lower than that of the cushion, and the horizontal section 4 is rotationally connected with the bottom beam 2 through a rotating shaft 8; the base is fixed between the two bottom beams 2 and is positioned above the horizontal section 4; the two groups of spring steel sheets 9 are symmetrically arranged at the bottom of the base, one ends of the two groups of spring steel sheets 9, 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 10, and the free ends 10 of each group of spring steel sheets 9 are respectively abutted against the upper surface of the inclined section 5 on one side.

In the embodiment provided by the disclosure, besides a pair of bottom beams 2, the chassis 1 also needs some frame beams to connect the bottom beams 2 into a whole, and meanwhile, legs or wheels and the like are also needed to lift the chassis 1 to a certain height, so that the rotation of the horizontal section 4 is satisfied, the ground contact in the swinging process of the horizontal section 4 is avoided, in order to reduce the processing difficulty, meanwhile, the bearing strength of the swinging frame 3 is also ensured, the swinging frame 3 is formed by continuously bending a pair of hollow square pipes as shown in fig. 4, specifically, the horizontal section 4 is formed by bending a position, close to the middle, of the hollow square pipes, two sides of the horizontal section 4 are bent obliquely upwards to form inclined sections 5, the included angles of the inclined sections 5 and the horizontal section 4 are obtuse angles, and the included angles of the two inclined sections 5 and the horizontal section 4 are equal, the inclined section 5 on one side is bent to form a first beam 6 through an arc, the top mounting part of the first beam 6 is inclined, so that a leg pad mounted above is inclined, the inclined section 5 on the other side is bent upwards by 90 degrees to form an extension section, then is bent to form a second beam 7 through an arc, the height of the second beam 7 is higher than that of the first beam 6, the cushion is fixedly connected with the second beam 7 through a mounting plate on the bottom, the base has the basic function of fixing one end, relatively close to two groups of spring steel sheets 9, between the bottom beams 2, of the two groups of spring steel sheets 9, the relatively far-away end is a free end 10, and the free end 10 of each group of spring steel sheets 9 is respectively abutted against the upper surface of the inclined section 5 on one side. The person sitting on the kneeling chair rotates the swinging frame 3 by adjusting the gravity center of the person, such as leaning forward or leaning backward, the movement of the inclined section 5 deforms the spring steel sheet 9 at one side to form a resilience force, such as leaning forward, the pressure of the legs to the leg pad is increased, the pressure of the buttocks to the seat cushion is decreased, the inclined section 5 below the seat cushion moves upwards, the spring steel sheet 9 at the side is pressed to deform to form a resilience force, thereby preventing the body from leaning excessively, and a backswing force can be formed at the same time, so that the swinging process of the person is ensured, and the sitting-kneeling chair has remarkable technical effects.

As a specific disclosure of this 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 group of spring steel sheets 9, which is relatively close to each other, is fixed to 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 to the upper surface of the bottom beam 2 through bolts for limiting the groove-shaped block 11, and the force is transferred to the spring steel sheets 9 to stabilize the groove-shaped block 11 under the fixation of the upper cover plate 13.

In order to further fix the spring steel sheet 9, the base still includes two L-shaped plates 14, L-shaped plate 14 includes riser and diaphragm, groove block 11 bottom lateral wall has the spacing hole 15 that supplies the riser to pass, spring steel sheet 9 centre gripping is between diaphragm and groove block 11 bottom, the riser is used for spacing the end of spring steel sheet 9, if there is not L-shaped plate 14 spacing to spring steel sheet 9, spring steel sheet 9's free end 10 is very easy under the power that receives the slope section 5 to give, move towards the spring steel sheet 9 of opposite side, therefore, carry out spacingly to the lateral movement of spring steel sheet 9 through L-shaped plate 14, the result of use of spring steel sheet 9 has been guaranteed, prevent that it from taking place to remove under the atress.

In some embodiments of the present disclosure, two sets of tension adjusting assemblies are provided in the base, each set of tension adjusting assemblies is located above one set of spring steel sheet 9, each tension adjusting assembly includes a tension block 16, a screw rod 17 and a knob 18, the bottom of the tension block 16 is in interference connection with the spring steel sheet 9, the top is provided with a threaded hole through which the screw rod 17 passes, the top of the groove-shaped block 11 horizontally extends towards the inclined section 5 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. It can be seen from the figure that 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 weight of a person can be properly adjusted, and the use requirements of different types of people can be met.

In some embodiments of the present disclosure, the upper cover 13 has a first opening 20 through which the knob 18 passes, the upper cover 13 is further provided with a hole 21 at the moving track of the top of the tension block 16, so that people can directly screw the knob 18 without opening the upper cover 13, and mounting plates 22 are disposed at two ends of the screw 17 on the cover, and the mounting plates 22 have round holes through which the screw 17 passes, so as to limit the position of the screw 17, limit the screw 17 at the middle of the groove block 11, and thus ensure that two sides of the tension block 16 are aligned with the groove 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 near the groove block 11 is a plane, where the end surface near the groove block 11 is a vertical plane, so as to be aligned with the groove block 11, and the arc surface 31 is configured to more easily attach the deformed spring steel sheet 9, increase the contact area with the spring steel sheet 9, make the spring steel sheet 9 not easy to break, and have practicality.

In order to cover the first opening 20 and the avoidance 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 correspondingly formed by the knob 18, and the size of the second opening is smaller than that of the first opening 20, so that the entry of dust is reduced, and meanwhile, the attractiveness and the neatness are also increased.

More specifically, the free end 10 of the spring steel sheet 9 is further provided with a protective sleeve 25, 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 with the same size, the number of the spring thin steel sheets right below the leg pad is larger than that of the spring thin steel sheets right below the seat cushion, the number of the two groups of spring steel sheets 9 is different, the pressure applied to the leg pad by the leg is smaller than that applied by the hip, so that the human body is easy to lean backwards and difficult to lean forwards, the inventor can balance the forward and backward leaning force when the kneeling chair leaves a factory by adjusting the number of the spring thin steel sheets, so that the inventor can swing more smoothly, the tension adjusting assembly can be adopted for fine adjustment later according to different weights of users, and the protective sleeve 25 has the other effect of fixing the plurality of spring thin steel sheets together, so that the spring thin steel sheets deform uniformly.

In some embodiments of the present disclosure, in order to be able to adjust the position of the seat cushion, a long hole 26 is formed in the second beam 7, a 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 a person with a leg length, the seat cushion needs to be moved away from the leg cushion by a certain distance, and the above requirements are just met by providing the long hole 26.

In some embodiments of the present disclosure, the swing frame further includes a locking screw 28, a first round hole through which the locking screw 28 passes is formed in the bottom beam 2, a locking nut is fixedly disposed on the swing frame 3, the locking screw 28 passes through the first round hole and is connected with the locking nut, the locking nut is welded or otherwise fixed in the swing frame 3, and since a user does not need to swing the kneeling chair at any time, the swing frame 3 can be limited after the locking screw 28 passes through the first round hole and is screwed into the locking nut, swing is prevented, and the swing frame is required to swing again, and the locking screw 28 is screwed out.

As a specific disclosure of the above embodiment, the chassis 1 further includes symmetrically disposed fixing rods 29, the fixing rods 29 are respectively connected with two ends of the bottom beam 2 vertically, the bottom of two ends of the fixing rod 29 is provided with casters 30, and the casters 30 at two ends of the bottom of one of the fixing rods 29 are braked, and after moving to the use position, the position of the chair can be fixed by the casters 30 with brakes, so that the chair is convenient for users to use.

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

first step, chassis assembly

As shown in fig. 3, the chassis 1 is assembled, the bottom beams 2 are mounted between the fixing bars 29 by screws, casters 30 are fixed to bottoms of both ends of the fixing bars 29, and both ends of the fixing bars 29 are fitted with seals.

Second step, the swinging frame is assembled with the chassis

As shown in fig. 4 and 5, the cushion support plate and the leg cushion support plate are fixed to the swing frame 3 by bolts and shims, the connecting plates 32 are mounted on both sides of the swing frame 3, and the rotation shaft 8 penetrates the bottom beam 2 and the connecting plates 32 to form a rotation connection.

Third step, assembling the spring steel sheet

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

Fourth step, the base is assembled with the chassis

As shown in fig. 7 to 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 two 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 round 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 fixedly connected with the screw rod 17, the dust-proof plate 23 is placed on the upper cover plate 13, and the fixed connection is performed through screws.

Fifth step, 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, thereby completing the assembly.

The above assembly manner is only a manner disclosed as being better in the present embodiment, the above sequence of steps is not the only assembly manner, and the sequence of steps may be partially adjusted according to the need, which 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, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined in the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (10)

1. A kneeling chair with swinging function, characterized by comprising:

a chassis (1) having a pair of side-by-side bottom beams (2);

The swinging 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 and obliquely extended upwards to form an inclined section (5), one side of the inclined section (5) is upwardly bent to form a first beam (6) for mounting a leg pad, the other side of the inclined section (5) is upwardly bent to form a second beam (7) for mounting a cushion, the height of the leg pad is lower than that of the cushion, and the horizontal section (4) is rotationally connected with the bottom beam (2) through a rotating shaft (8);

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

The two groups of spring steel sheets (9) are symmetrically arranged at the bottom of the base, one ends, relatively close to the two groups of spring steel sheets (9), of the two groups of spring steel sheets are fixed on the base, the ends, relatively far away from the two groups of spring steel sheets are free ends (10), and the free ends (10) of each group of spring steel sheets (9) are respectively abutted to the upper surface of one inclined section (5).

2. Kneeling chair with swinging function according to claim 1, characterized in that the base comprises a trough-shaped block (11) with an opening at the top, a clamping plate (12) and an upper cover plate (13), wherein one end of each group of spring steel plates (9) which is relatively close to each other is fixed at the bottom of the trough-shaped block (11) through the clamping plate (12), the upper cover plate (13) is positioned above the trough-shaped block (11), and two sides of the upper cover plate (13) are detachably connected to the bottom beam (2).

3. Kneeling chair with swinging function according to claim 2, characterized in that the base further comprises two L-shaped plates (14), the L-shaped plates (14) comprise a riser and a transverse plate, the side walls of the bottom of the groove-shaped block (11) are provided with limiting holes (15) for the riser to pass through, the spring steel sheet (9) is clamped between the transverse plate and the bottom of the groove-shaped block (11), and the riser is used for limiting the end of the spring steel sheet (9).

4. Kneeling chair with swinging function according to claim 2, characterized in that two groups of tension adjusting components are arranged in the base, each group of tension adjusting components is located above one group of spring steel sheets (9), each tension adjusting component comprises a tension block (16), a screw rod (17) and a knob (18), the bottom of each tension block (16) is in abutting connection with each spring steel sheet (9), a threaded hole for the screw rod (17) to pass through is formed in the top of each tension block, limit baffles (19) are horizontally extended from the top of each groove-shaped block (11) to the inclined section (5), the tops of the tension blocks (16) are in sliding contact with the bottoms of the limit baffles (19), the knobs (18) are located in the groove-shaped blocks (11) and are fixedly connected with the screw rods (17), and the tension blocks (16) are moved close to or far away from the groove-shaped blocks (11) by rotating the screw rods (17).

5. Kneeling chair with swinging function according to claim 4, characterized in that the upper cover plate (13) is provided with a first opening (20) for the knob (18) to pass through, the upper cover plate (13) is further provided with a avoiding duct (21) at the top moving track of the tension block (16), the cover plates are provided with mounting plates (22) at both ends of the screw rod (17), and the mounting plates (22) are provided with round holes for the screw rod (17) to pass through.

6. Kneeling chair with rocking function according to claim 5, characterized in that a dust-proof plate (23) is also provided above the cover plate, said dust-proof plate (23) having a second opening (24) for the knob (18) to pass through.

7. Kneeling chair with rocking function according to claim 1, characterized in that the free end (10) of the spring steel sheet (9) is also fitted with 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 an elongated hole (26), through which elongated hole (26) a first bolt (27) for fixing the seat cushion or the leg cushion is passed, the position of the first bolt (27) through the elongated hole (26) being adjustable.

9. Kneeling chair with swinging function according to claim 1, characterized in that it further comprises a locking screw (28), the bottom beam (2) is provided with a first round hole for the locking screw (28) to pass through, the swinging frame (3) is fixedly provided with a locking nut, and the locking screw (28) passes through the first round hole and is connected with the locking nut.

10. Kneeling chair with swinging function according to claim 1, characterized in that the chassis (1) further comprises symmetrically arranged fixing bars (29), the fixing bars (29) are respectively and vertically connected with the two ends of the bottom beam (2), the bottoms of the two ends of the fixing bars (29) are provided with casters (30), and one of the casters (30) at the two ends of the bottom of the fixing bars (29) is braked.