CN215076912U

CN215076912U - Folding chair

Info

Publication number: CN215076912U
Application number: CN202120998836.0U
Authority: CN
Inventors: 刘彩阳; 胡美铬
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-05-11
Filing date: 2021-05-11
Publication date: 2021-12-10
Anticipated expiration: 2031-05-11

Abstract

The utility model relates to a folding chair. The folding chair comprises a supporting frame, wherein the upper part of the supporting frame forms a chair back, the lower part of the supporting frame is used for supporting the ground, and a sliding piece is arranged on the supporting frame in a vertically guiding and sliding manner; the sliding piece locking piece is used for locking the sliding piece on the supporting frame; the folding seat frame is arranged on the sliding piece, is positioned at the front side of the supporting frame and can move up and down along with the sliding piece; the folding seat frame comprises a cross rod hinged on the sliding piece and a supporting leg hinged with the cross rod, the folding seat frame has an unfolding state and a folding state, the cross rod extends horizontally when the folding seat frame is in the unfolding state, and the supporting leg is supported on the ground; when the folding seat frame is in a folding state, the cross rod swings upwards to fold. The utility model discloses a folding seat frame height of folding chair can be adjusted from top to bottom, and then the position of adjustment landing leg, when using on domatic, can adjust the domatic slope of position adaptation of landing leg, solves present folding seat at the subaerial poor stability's that has the slope technical problem.

Description

Folding chair

Technical Field

The utility model relates to a folding chair.

Background

The folding seat is convenient to fold and pack and is widely used in life. For example, the campstool disclosed by the publication No. CN204318079U and the publication date of 2015, 5 and 13 is characterized in that an inner support frame and an outer support frame of the campstool are unfolded and placed on the ground for people to sit down for rest, and the campstool can be used as a seat for fishing.

However, when the folding seat is used as a fishing seat, the edge of the river pool is generally inclined, and when the folding seat is placed on the ground with the inclination, the seat surface is inclined, so that the stability is poor, the sitting comfort is reduced, and in addition, a fisher sitting on the campstool swings a fishing rod and the like, the folding seat may tip over forwards.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a folding chair for solve present folding seat subaerial poor stability's technical problem on having the slope.

The folding chair of the utility model adopts the following technical proposal:

the folding chair includes:

the upper part of the supporting frame forms a chair back, and the lower part of the supporting frame is used for supporting on the ground;

the sliding part is arranged on the supporting frame in a vertically guiding and sliding manner;

the sliding piece locking piece is used for locking the sliding piece on the supporting frame;

a folding seat frame which is arranged on the sliding piece, is positioned at the front side of the supporting frame and can move up and down along with the sliding piece;

the folding seat frame comprises a cross rod hinged on the sliding piece and a supporting leg hinged with the cross rod, and the supporting leg is used for supporting on the ground;

the folding seat frame has an unfolding state and a folding state, the cross bar extends horizontally when the folding seat frame is in the unfolding state, and the supporting legs are supported on the ground; when the folding seat frame is in a folding state, the cross rod swings upwards to fold.

Has the advantages that: the utility model discloses a folding seat frame height of folding chair can be adjusted from top to bottom, and then the position of adjustment landing leg, when using on domatic, can adjust the domatic slope of position adaptation of landing leg, solves present folding seat at the subaerial poor stability's that has the slope technical problem.

Furthermore, the folding seat frame comprises an inclined strut, one end of the inclined strut is hinged on the supporting leg, and the other end of the inclined strut is hinged on the sliding piece. The diagonal brace can improve the stability of the folding seat frame.

Furthermore, a reinforcing support arranged on the lower side of the inclined support is arranged between the support frame and the support leg, and at least one end of the reinforcing support is detachable. The reinforcing support improves the relative stability of the support frame and the support legs, so that the bearing capacity of the folding seat frame is stronger.

Further, the folding chair further comprises a seat frame locking member for locking the folding seat frame when the folding seat frame is in the unfolded state. The stability of the folding chair is improved.

Furthermore, the seat frame locking piece is a locking pin, and the locking pin locks the cross rod and the supporting legs to limit the swinging of the supporting legs relative to the cross rod, so that the folding seat frame is locked.

Furthermore, the supporting legs are telescopic legs. The adaptability of the folding chair to the slope surface is improved.

Furthermore, the bottom of landing leg articulates there is the landing leg lower margin, is provided with anti-skidding structure on the landing leg lower margin. The anti-skid capability of the folding chair is improved.

Furthermore, the support frame includes the support body and sets up the supporting seat in the support body downside, is equipped with the gyro wheel on the supporting seat. The roller is convenient for the folding chair to move.

Furthermore, the number of the rollers is at least two, wherein a front wheel is arranged at the front end of the supporting seat, and a rear wheel is arranged at the rear end of the supporting seat; the rear end of the supporting seat is hinged with a supporting seat ground foot, the rear end of the supporting seat swings to be provided with a conversion seat, a rear wheel is arranged on the conversion seat, the conversion seat has a ground foot supporting state that the rear wheel is lifted and the supporting seat ground foot is supported on the ground, the rear wheel supporting state that the rear wheel is supported on the ground foot of the overhead supporting seat is also provided, and a conversion seat locking piece which locks the conversion seat when the conversion seat is in the ground foot supporting state and the rear wheel supporting state is further arranged on the supporting seat. According to the use needs, change rear wheel and supporting seat lower margin, it is comparatively nimble convenient to use.

Furthermore, the support body can swing back and forth relative to the supporting seat, so that the included angle between the support body and the supporting seat can be adjusted, and a support body locking piece for locking the support body and the supporting seat after the included angle between the support body and the supporting seat is adjusted in place is arranged on the support body. The posture of the support body can be adjusted according to needs, so that the front end or the rear end of the supporting seat is tilted, and the stability is improved.

Drawings

FIG. 1 is a schematic structural view of an embodiment 1 of the folding chair of the present invention;

FIG. 2 is a view showing the state of the folding chair according to embodiment 1 of the present invention in which the rear wheels are tilted;

FIG. 3 is a view showing the front wheel tilted up in embodiment 1 of the folding chair of the present invention;

FIG. 4 is a schematic view of the leg sheath and leg assembly of embodiment 1 of the folding chair of the present invention;

in the figure: 1. a support frame; 11. a supporting seat; 111. a ground foot support locking hole; 112. the rear wheel supports the locking hole; 12. a frame body; 121. a card slot; 13. a slider; 14. a slider lock; 15. a front wheel; 16. a conversion seat; 17. supporting a foundation of a seat; 18. a rear wheel; 19. a bayonet lock; 101. a bayonet pin elastic member; 102. a carrier; 103. a handrail sleeve; 104. a handrail; 105. a handrail stop; 106. reinforcing the support sleeve; 2. a folding seat frame; 21. a cross bar; 211. a cross bar lock slot; 22. a support leg; 221. a connecting section; 222. an adjustment section; 223. a leg lock slot; 23. bracing; 24. a lock pin; 25. adjusting a section sleeve; 26. a tension spring; 27. a leg lock; 28. a leg foot; 29. a reinforcing support; 30. a leg sleeve; 301. sleeving seams of the supporting legs; 302. the supporting legs are sleeved with lugs; 303. fastening a bolt; 31. the adjusting section is reinforced and supported.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention, i.e., the described embodiments are only some, but not all embodiments of the invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiment of the present invention, all other embodiments obtained by the person skilled in the art without creative work belong to the protection scope of the present invention.

It is noted that relational terms such as "first" and "second," and the like, may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

The terms "upper", "lower", "front", "rear", "left", "right", and the like indicate orientations or positional relationships that are assumed to be merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

The features and properties of the present invention are described in further detail below with reference to examples.

The utility model discloses embodiment 1 of folding chair:

as shown in fig. 1 to 3, the folding chair includes a support frame 1 and a folding seat frame 2, wherein the upper portion of the support frame 1 forms a chair back and the lower portion is used for supporting on the ground.

Support frame 1 includes supporting seat 11 and the support body 12 of setting on supporting seat 11, and support body 12 is including controlling two montants that the interval set up and being in the horizontal pole at two montant tops.

Be equipped with slider 13 on the montant, slider 13 upper and lower slidable mounting is on the montant, is equipped with slider locking piece 14 on slider 13, and in this embodiment, slider 13 is the sliding sleeve, and slider locking piece 14 is the jackscrew of setting on slider 13, and the jackscrew is fixed slider 13 on the montant of support body 12 through the tight montant in top.

The folding seat frame 2 is arranged on the sliding piece 13, and the folding seat frame 2 can move up and down along with the sliding piece 13. The folding seat frame 2 comprises a cross bar 21 hinged on the sliding part 13, a leg 22 hinged with the cross bar 21, and an inclined strut 23, wherein one end of the inclined strut 23 is hinged on the leg 22, and the other end is hinged on the sliding part 13. The folding seat frame 2 has an unfolded state and a folded state, the cross bar 21 extends horizontally when the folding seat frame 2 is in the unfolded state, and the legs 22 are supported on the ground, and the folding seat frame provides a seat for a person to sit on for rest. In order to improve comfort, a seat cushion or a seat plate can be arranged on the folding seat frame 2. When the folding seat frame 2 is in the folding state, the cross bar 21 swings upwards and is folded.

In order to improve the stability of the folding seat frame 2, the folding chair further comprises a seat frame locking member which locks the folding seat frame 2 when the folding seat frame 2 is in the unfolded state.

In this embodiment, the seat frame locking member is a lock pin 24, a cross bar lock groove 211 with a forward opening is formed in the cross bar 21, a leg lock groove 223 is formed in the upper end of the leg 22, when the folding seat frame 22 is in the unfolded state, the lock pin 24 is simultaneously clamped into the cross bar lock groove 211 and the leg lock groove 223, the leg lock groove 223 is located on the front side of a leg hinge shaft at the hinge position of the leg 22 and the cross bar 21, a tension spring 26 is arranged between the lock pin 24 and the leg hinge shaft, and the lock pin 24 is kept in the leg lock groove 223. When the folding seat frame 22 needs to be folded, the lock pin 24 is pulled forward, so that the lock pin 24 is separated from the leg lock groove 223, the leg 22 can move relative to the cross bar 21, and the folding seat frame 22 can be folded.

In this embodiment, in order to improve the adaptability of the supporting leg 22, the supporting leg 22 is a telescopic leg, the supporting leg 22 includes a connecting section 221 hinged to the cross brace and an adjusting section 222 inserted in the connecting section 221, the inclined brace 23 is hinged to the connecting section 221, a supporting leg locking member 27 for locking the adjusting section 222 is further arranged on the connecting section 221, in this embodiment, the supporting leg locking member 27 also adopts a jackscrew, the jackscrew is assembled on the connecting section 221 through a thread, and the adjusting section is fixed to the connecting section through tightly jacking the adjusting section 222.

In order to prevent the landing leg 22 from sliding on the ground, a landing leg foot 28 is hinged to the bottom of the landing leg 22, and the landing leg foot 28 is U-shaped and comprises two anti-skid plates which extend up and down and are arranged at intervals in the front and back. The antiskid ribbed tile has constituted the antiskid structure of setting on the landing leg lower margin. In this embodiment, the swing angle of the leg anchor 28 with respect to the leg 22 is limited, and the leg anchor 28 can be engaged with the leg 22 in a stop manner after swinging a certain angle. Leg anchors 28 are hinged to the bottom of the legs 22 to enable the legs 22 to conform to sloping terrain.

In this embodiment, 11 front ends of supporting seats are provided with front wheel 15, and 11 rear ends of supporting seats set up conversion seat 16 and supporting seat

lower margin

17, and 16 swing of conversion seat assemble on 11 supporting seats, and supporting seat lower margin 17 articulates on 11 supporting seats. The conversion seat 16 is provided with a rear wheel 18, and the rear wheel 18 is rotatably assembled on the conversion seat 16.

The switch base 16 has a base support state in which the base bases 17 are supported on the ground and the rear wheels 18 are raised, and a rear wheel support state in which the rear wheels 18 are supported on the ground to make the base bases 17 stand on the ground, and the base 11 is further provided with a switch base locking member for locking the switch base 16 when the switch base 16 is in the base support state and the rear wheel support state. The locking member of the conversion seat in this embodiment is a locking pin.

As shown in fig. 1, the supporting seat 11 is provided with an anchor support locking hole 111 and a rear wheel support locking hole 112, the conversion seat 16 is provided with a conversion seat locking hole, when the conversion seat locking hole is aligned with the anchor support locking hole 111, a lock pin is inserted to enable an anchor to be supported on the ground, and when the rear wheel support locking hole 112 is aligned with the conversion seat locking hole, the lock pin is inserted to enable the lock pin to pass through the rear wheel support locking hole 112 and the conversion seat locking hole to enable the rear wheel 18 to be supported on the ground.

In this embodiment, an included angle between the frame body 12 and the supporting base 11 can be adjusted, as shown in fig. 1, two clamping grooves 121 are provided on the frame body 12, a bayonet 19 engaged with the clamping grooves 121 is provided on the frame body 12, the bayonet 19 is movably disposed on the frame body 12 up and down, and a bayonet elastic member 101 for applying an elastic force to the bayonet 19 to keep the bayonet 19 in the clamping grooves 121 is further provided on the frame body 12. In this embodiment, the elastic element 101 is a spring, and when the frame body 12 needs to be adjusted, the frame body 19 is lifted up to separate the frame body 19 from the slot 121, and then the frame body 12 is swung to allow the frame body 19 to enter another slot 121, so that the frame body 12 and the support base 11 are locked by the frame body 19 at the relative positions, and the angle of the frame body 12 is adjusted. In other embodiments, the number of card slots may be multiple according to actual needs.

In order to improve the stability of the folding seat frame 2, in the present embodiment, a reinforcing brace 29 is disposed between the frame body 12 and the leg 22 and on the lower side of the inclined brace 23, one end of the reinforcing brace 29 is connected to the connecting section 221 of the leg 22 through a leg sleeve 30, and the other end is hooked on the frame body 12. To accommodate the change in length of the leg 22, the position of the leg sleeve 30 on the connecting section 221 can be adjusted.

As shown in fig. 4, a vertically through leg sleeve seam 301 is formed in the leg sleeve 30, leg sleeve ears 302 are respectively arranged on the left side and the right side of the leg sleeve seam 301, ear holes are formed in the leg sleeve ears 302, fastening bolts 303 penetrate through the ear holes, and after the fastening bolts are screwed down, the leg sleeve seam 301 is reduced, so that the leg sleeve 30 and the leg 22 are fastened. In this embodiment, the reinforcing brace 29 is connected to the leg sleeve 30 by a fastening bolt 303, after the fastening bolt is fixed, the reinforcing brace is fixed to the leg, and after the fastening bolt is loosened, the reinforcing brace 29 can move relative to the leg sleeve.

The frame body 12 is provided with a reinforcing support sleeve 106, the reinforcing support 29 is hooked on the reinforcing support sleeve 106, the position of the reinforcing support sleeve 106 is adjustable up and down, and the reinforcing support sleeve 106 is fixed with the vertical rod through a bolt after adjustment. The locking of the reinforcing brace 106 to the vertical post is the same as the locking of the leg sleeve 30 to the leg 22, and will not be described in detail. In other embodiments, a jackscrew may be used to secure the brace to the post.

An adjusting section reinforcing support 31 is also arranged between the adjusting section 222 and the frame body 12, one end of the adjusting section reinforcing support 31 is connected to the adjusting section 222 through an adjusting section sleeve 25, the upper and lower positions of the adjusting section sleeve 25 on the adjusting section 222 are adjustable, the adjusting section sleeve 25 is locked through a bolt after being adjusted in position, the locking mode of the adjusting section sleeve 25 and the adjusting section 222 is the same as the locking mode of the supporting leg sleeve 30 and the supporting leg 22, and the description is omitted. The adjusting section reinforcing support 31 is connected with the adjusting section sleeve 25 through a bolt, after the bolt is screwed down, the adjusting section reinforcing support 31 is fixed with the adjusting section sleeve 25, and the other end of the adjusting section reinforcing support 31 is hooked on the frame body 12. When the folding seat frame 22 needs to be folded, the end of the adjusting section reinforcing support 31 connected with the frame body is removed.

In this embodiment, because the bottom of the supporting seat 11 is provided with the front wheel 15, when the foldable seat frame 22 is folded, the user can pull the frame body 12 with hands, and at this time, the foldable chair can be used as a hand buggy. In this embodiment, when the folding chair is used as a cart, the cross bar 21 can be used as a handle. When the front way and the rear way on the supporting seat are both grounded, the supporting seat can bear larger weight.

To facilitate loading, a rack 102 is secured to the frame body 12. In other embodiments, the article carrier may be a foldable frame, which is convenient for storage.

In this embodiment, the frame body 12 is further provided with an armrest sleeve 103, the armrest sleeve 103 is hinged to an armrest 104, the armrest sleeve 103 is provided with an armrest stopper 105 for keeping the armrest 104 horizontal, the armrest stopper 105 is located on the front side of the armrest hinge shaft, under the stopping action of the armrest stopper 105, the armrest 104 is kept horizontal, and the armrest 104 can be turned backwards to be in a vertical state for folding. The armrest sleeve 103 slides on the frame body 12, the position can be adjusted up and down, the locking mode of the armrest sleeve 103 and the frame body is the same as that of the leg sleeve 30 and the leg 22, and after the armrest sleeve 103 is in place, the armrest sleeve is locked through bolts, which is not described again. In other embodiments, an armrest sleeve bolt for tightly pushing against the frame body may be disposed on the armrest sleeve to fix the armrest sleeve and the frame body.

The utility model discloses a folding chair when using on domatic, adjusts folding seat frame 2's height, makes landing leg 22 bottom and supporting seat 11 be in different heights, can adapt to domatic use. When the height of the folding seat frame 2 needs to be adjusted, the height of the folding seat frame 2 can be adjusted, and the length of the telescopic legs can also be adjusted.

In order to improve the stability of the folding chair, as shown in fig. 3, the angle between the frame body 12 and the supporting base 11 can be adjusted, so that the supporting base feet 17 and the leg feet 28 are supported on the ground, and the front wheel 15 is suspended.

The embodiment 2 of the folding chair of the present invention is different from the above embodiments only in that: in this embodiment, the frame body is fixed to the support base. In other embodiments, only the front wheel may be disposed on the support base.

The embodiment 3 of the folding chair of the present invention is different from the above embodiments only in that: in the embodiment, the supporting legs can not stretch out and draw back, and the slope using condition can be adapted only by adjusting the up-down position of the folding seat frame.

The embodiment 4 of the folding chair of the present invention is different from the above embodiments only in that: in this embodiment, the seat frame locking member may be a hook hinged to the cross bar, and the diagonal brace is hooked by the hook to lock the folding seat frame.

The embodiment 5 of the folding chair of the present invention is different from the above embodiments only in that: in this embodiment, the contained angle of support body and supporting seat can also be adjusted through the lockpin, for example sets up three jack on the supporting seat, sets up a jack on the support body, when the contained angle of support body and supporting seat needs to be adjusted, passes the jack cooperation realization contained angle adjustment of jack and the different jack of supporting seat on the support body through the lockpin. In other embodiments, the frame body and the support seat can be adjusted by a ratchet wheel and a pawl or by a gear train.

The embodiment 6 of the folding chair of the present invention is different from the above embodiments only in that: in this embodiment, the folding seat frame does not have a diagonal brace, and the folding seat frame relies on the landing leg and the reinforcing brace connected with the landing leg to ensure strength. In other embodiments, only the inclined strut is arranged, the reinforcing strut and the adjusting section reinforcing strut are eliminated, or only the reinforcing strut is arranged, or only the adjusting section reinforcing strut is arranged.

The embodiment 7 of the folding chair of the present invention is different from the above embodiments only in that: in this embodiment, the seat frame locking member is a fixing bolt, and the leg and the folding seat frame are locked by the fixing bolt.

The embodiment 8 of the folding chair of the present invention is different from the above embodiments only in that: in this embodiment, the support frame formula structure as an organic whole, the support frame bottom sets up the support frame lower margin.

The embodiment of the folding chair of the utility model 9, the difference between the embodiment and the above embodiments is only that: in this embodiment, the diagonal brace and the folding seat frame are respectively connected to two different sliding sleeves.

The embodiment 10 of the folding chair of the present invention is different from the above embodiments only in that: in this embodiment, the sliding part locking piece is a plurality of spring pins arranged up and down on the vertical rod, the sliding sleeve is provided with pin holes matched with the spring pins, and the spring pins are matched with different pin holes to realize the locking of different positions of the sliding part.

The embodiment 11 of the folding chair of the present invention is different from the above embodiments only in that: in this embodiment, the one end that the regulation section is strengthened propping and is connected with the landing leg sets up the slot hole, and the extending direction of slot hole is unanimous with the extending direction that the regulation section is strengthened propping, and the articulated shaft that the regulation section is strengthened propping passes the slot hole and is connected with the regulation section of landing leg, and when the landing leg extension perhaps shortened, the regulation section is strengthened propping and can utilize the slot hole to carry out the regulation of angle, adapts to the change of regulation section position.

The embodiment 12 of the folding chair of the present invention is different from the above embodiments only in that: in this embodiment, be provided with the backing plate in the sliding sleeve, backing plate and sliding sleeve spacing cooperation in the axial and can relative activity in the footpath, jackscrew is fixed on the backing plate, and is tight with the montant top through the backing plate, and the friction surface between backing plate and the montant is great like this, and folding seat frame is more stable with the support frame. In a similar way, a base plate can be arranged in the connecting section of the supporting leg, the jackscrew is tightly pressed on the base plate, and the connecting section is fixed with the adjusting section so as to improve the stability of the connecting section and the adjusting section.

The embodiment 13 of the folding chair of the present invention is different from the above embodiments only in that: in this embodiment, the portion of the upper portion of the support frame forming the seat back is provided with a back rod which can be adjusted up and down, and the back rod can be adjusted up and down to adapt to the height change of the folding seat frame.

The above description is only for the preferred embodiment of the present invention, and the present invention is not limited thereto, the protection scope of the present invention is defined by the claims, and all structural changes equivalent to the contents of the description and drawings of the present invention should be included in the protection scope of the present invention.

Claims

1. Folding chair, its characterized in that includes:

2. A folding chair according to claim 1, characterised in that the folding seat frame comprises a diagonal brace, one end of which is hinged to the leg and the other end of which is hinged to the slider.

3. The folding chair as claimed in claim 2, wherein a reinforcing brace is provided between the support frame and the leg on the lower side of the diagonal brace, and at least one end of the reinforcing brace is detachable.

4. The folding chair as in claim 1, 2 or 3, further comprising a seat frame locking member that locks the folding seat frame when the folding seat frame is in the unfolded state.

5. The folding chair of claim 4, wherein the seat frame locking member is a locking pin that locks the cross bar and legs to limit the legs from swinging relative to the cross bar to effect locking of the folding seat frame.

6. A folding chair as claimed in claim 1, 2 or 3, characterised in that the legs are telescopic legs.

7. The folding chair as claimed in claim 1, 2 or 3, wherein the bottom of the leg is hinged with a leg foot, and the leg foot is provided with an anti-slip structure.

8. The folding chair as claimed in claim 1, 2 or 3, wherein the supporting frame comprises a frame body and a supporting base arranged on the lower side of the frame body, and the supporting base is provided with rollers.

9. The folding chair as claimed in claim 8, wherein the rollers are provided in at least two, wherein a front wheel is provided at a front end of the support base and a rear wheel is provided at a rear end of the support base; the rear end of the supporting seat is hinged with a supporting seat ground foot, the rear end of the supporting seat swings to be provided with a conversion seat, a rear wheel is arranged on the conversion seat, the conversion seat has a ground foot supporting state that the rear wheel is lifted and the supporting seat ground foot is supported on the ground, the rear wheel supporting state that the rear wheel is supported on the ground foot of the overhead supporting seat is also provided, and a conversion seat locking piece which locks the conversion seat when the conversion seat is in the ground foot supporting state and the rear wheel supporting state is further arranged on the supporting seat.

10. The folding chair as claimed in claim 9, wherein the frame body is capable of swinging back and forth relative to the support base so that an included angle between the frame body and the support base is adjustable, and the frame body is provided with a frame body locking member for locking the frame body and the support base after the included angle between the frame body and the support base is adjusted in place.