Pedal overturning structure and seat

Abstract

The utility model provides a pedal overturning structure and a seat. The pedal overturning structure comprises a cylindrical fixing pipe, a middle shell, a first end cover and a second end cover, wherein the fixing pipe is fixedly sleeved with the middle shell, and the fixing pipe is sleeved with the first end cover and the second end cover respectively, and the first end cover and the second end cover are located at the two opposite ends of the middle shell. The pedal plate is fixed on the first end cover and the second end cover at the same time, the pedal plate and the middle shell are arranged at an interval, and the toggle switch is contained in the middle shell. And the toggle switch comprises a limiting part clamped between the fixed tube and the middle shell and a toggle part extending from one side, far away from the fixed tube, of the limiting part to the direction far away from the fixed tube. According to the pedal overturning structure, when a passenger does not need to use the pedal plate, the first end cover and the second end cover can be rotated to drive the pedal plate to be retracted, so that the pedal plate does not affect the foot placement of the passenger, and the use experience feeling of the passenger is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a chair technical field especially relates to a footboard turnover structure and chair. BACKGROUND

[0002] The chair is a kind of furniture for people to rest, which mainly includes bottom support, cushion fixed on the bottom support. In order to improve the comfort of riding, most chairs also have armrests fixed on both sides of the cushion and backrests fixed on one side of the cushion and connected with the armrests.

[0003] In order to further improve the comfort of riding, a footboard can be installed on the bottom support for the rider to place his feet.

[0004] In the related art, the footboard of the chair is directly fixed on the front end of the bottom support. Although this design of footboard can provide a place for the rider to put his feet, the footboard of the above-mentioned chair cannot be recovered when the rider does not need to use it, such as in the scene of working or resting on the table and chair. This will affect the rider's foot placement and greatly reduce the rider's experience. SUMMARY

[0005] In view of the above problems of the prior art, the utility model provides a footboard turnover structure and a chair to solve the problem that the chair in the related art directly fixes the footboard on the front end of the bottom support, which causes the footboard to be unable to be recovered when the rider does not need to use it, thereby affecting the rider's foot placement and reducing the rider's experience.

[0006] The utility model provides a kind of foot pedal overturning structure, it includes cylindrical fixed pipe, the middle shell of being fixed to the fixed pipe, the first end cover and the second end cover being respectively set in the fixed pipe and being located the opposite ends of the middle shell, while being fixed to the first end cover and the second end cover and with the middle shell interval arrangement foot pedal and the toggle switch being housed in the middle shell;The first end cover and the second end cover are respectively formed rotating connection with the fixed pipe, the side of the first end cover close to the middle shell is equipped with the plurality of limit grooves that recesses inward and mutually interval, and the plurality of limit grooves are along the circumferential direction of the fixed pipe and are arranged around the fixed pipe;The toggle switch includes the limiting portion being clamped between the fixed pipe and the middle shell and the toggle portion extending by the side of the limiting portion away from the fixed pipe to the direction away from the fixed pipe, the side of the limiting portion close to the first end cover extends to the direction of the first end cover, and extends to one of the limit grooves in the middle shell, and the toggle portion extends to the middle shell and forms sliding connection with the middle shell;When the toggle switch is stressed and slides along the radial direction of the middle shell away from the direction of the first end cover, the side of the limiting portion close to the first end cover is separated from the limit groove, and the first end cover and the second end cover can rotate along the fixed pipe.

[0007] Preferably, the second end cover includes an end cover body, a sliding groove recessed inward from a side of the end cover body away from the first end cover and arranged around the fixed pipe, and a plurality of positioning grooves recessed inward from a side of the end cover body close to the first end cover, the plurality of positioning grooves are arranged around the fixed pipe and respectively communicate with the sliding groove, and the plurality of positioning grooves are arranged one-to-one corresponding to the plurality of limit grooves; the side of the limiting portion close to the second end cover extends to the direction of the second end cover and extends to the sliding groove through one of the positioning grooves, and the side of the limiting portion away from the fixed pipe is provided with a guide groove recessed inward; when the toggle switch slides along the radial direction of the middle shell away from the direction of the first end cover, the guide groove falls into the positioning groove.

[0008] Preferably, the second end cover further includes a baffle fixed to the side of the end cover body away from the first end cover, the baffle is arranged around the fixed pipe along the circumferential direction of the fixed pipe and is spaced apart from the fixed pipe.

[0009] Preferably, the middle shell is provided with an inwardly recessed mounting groove corresponding to the position of the limiting part, the mounting groove extending from one end of the middle shell to the opposite end; the middle shell is provided with a mounting hole penetrating therethrough corresponding to the position of the pushing part, the mounting hole extending along the radial direction of the middle shell and communicating with the mounting groove; the limiting part is arranged in the mounting groove and extends to the two ends of the mounting groove respectively, and the pushing part passes through the mounting hole and forms a sliding connection with the mounting hole.

[0010] Preferably, one side of the limiting part is provided with a fixed groove formed by inwardly recessing; the bottom of the mounting groove is provided with a fixed part extending to the direction of the fixed groove, the fixed part extending to one end of the fixed groove and forming an abutment; the foot pedal turnover structure further comprises an elastic member, one end of the elastic member being fixed to the other end of the fixed groove, and the other end of the elastic member being fixed to the fixed part.

[0011] Preferably, the middle shell comprises a first shell, a second shell provided with a cover on the first shell, and a first connecting member connecting the first shell and the second shell, the first shell is provided with a first connecting hole formed by recessing away from the second shell, the second shell is provided with a second connecting hole penetrating therethrough corresponding to the position of the first connecting hole, and the first connecting member passes through the second connecting hole to the first connecting hole to fix the second shell to the first shell; the limiting part is clamped between the fixed tube and the first shell.

[0012] Preferably, the first end cover and the second end cover are respectively annular structures with notches; the foot pedal comprises a pedal body and two extension parts extending from the pedal body to the notches of the first end cover and the second end cover respectively, the two extension parts extending into the notches of the first end cover and the second end cover respectively and forming fixed connections with the first end cover and the second end cover respectively.

[0013] Preferably, the fixed tube, the middle shell, the first end cover, the second end cover, the foot pedal and the pushing switch are all plastic parts.

[0014] Preferably, the fixed tube comprises a first tube segment and a second tube segment spaced apart and arranged opposite to each other, and a third tube segment connecting the first tube segment and the second tube segment; the middle shell, the first end cover and the second end cover are respectively sleeved on the third tube segment.

[0015] In a second aspect, the utility model provides a seat, it includes seat body and fixed as above described foot pedal turnover structure of the seat body;Two ends of the fixed tube are fixed to the seat body respectively.

[0016] Compared with the prior art, the pedal overturning structure in the utility model has the advantages that the pedal overturning structure is installed on the seat, when the pedal is not needed, the end of the limiting part close to the first end cover is separated from the limiting slot through the driving of the driving part, the first end cover and the second end cover are rotated to drive the pedal to be collected, the pedal does not affect the placement of the feet of the passenger, and the use experience of the passenger is improved. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to more clearly illustrate the technical scheme in the embodiments of the utility model, the drawings needed to be used in the embodiment description will be briefly introduced, and obviously, the drawings in the following description are only some embodiments of the utility model, and for the ordinary skilled in the art, other drawings can be obtained according to these drawings without creative labor, wherein:

[0018] Figure 1 The three-dimensional structure schematic diagram of the pedal overturning structure provided by the embodiment of the utility model is provided.

[0019] Figure 2 The partial structure exploded schematic diagram of the pedal overturning structure provided by the embodiment of the utility model is provided.

[0020] Figure 3 The structure schematic diagram of the first shell, the first end cover, the driving switch and the elastic piece of the pedal overturning structure provided by the embodiment of the utility model is provided.

[0021] Figure 4 The structure schematic diagram of the second end cover and the driving switch of the pedal overturning structure provided by the embodiment of the utility model is provided.

[0022] Figure 5 The structure exploded schematic diagram of the second end cover of the pedal overturning structure provided by the embodiment of the utility model is provided.

[0023] Figure 6 The expanded state schematic diagram of the pedal overturning structure provided by the embodiment of the utility model is provided.

[0024] Wherein, 100, foot pedal overturn structure;1, fixed pipe;11, first pipe section;12, second pipe section;13, third pipe section;2, middle shell;21, mounting groove;211, fixed part;22, mounting hole;23, first shell;231, first connecting hole;24, second shell;241, second connecting hole;25, first connecting piece;3, first end cover;31, limiting groove;32, third connecting hole;4, second end cover;41, end cover body;42, sliding groove;43, positioning groove;44, baffle;45, fourth connecting hole;5, foot pedal;51, pedal body;52, extension;6, toggle switch;61, limiting part;611, guide groove;612, fixed groove;62, toggle part;7, elastic piece;8, second connecting piece;9, second connecting piece. DETAILED DESCRIPTION

[0025] Unless otherwise defined, 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 application belongs; the terminology used in the description herein is for describing particular embodiments only and is not intended to be limiting of the application; the present application will be described with reference to the drawings in which is shown by way of illustration the application in accordance with embodiments described herein using exemplary terminology. The terminology used in the description herein is for describing particular embodiments only and is not intended to be limiting of the application. The words "comprising," "including," "containing," and "having," and variations thereof, are inclusive and do not exclude other elements from the compositions, processes, and methods of the application. The words "a" and "an" encompass single and also plural embodiments unless the context clearly indicates otherwise. Similarly, the words "another" and "at least one" and "one or more" encompass both singular and plural unless the context clearly indicates otherwise.

[0026] Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the application. The appearances of the phrase "in an embodiment" in various places in the specification are not necessarily all referring to the same embodiment, nor are they necessarily all directed to the same embodiments. It is explicitly contemplated that embodiments described herein can be combined with each other.

[0027] It should be noted that the "upper", "lower", "left", "right" and the like mentioned in the embodiments of the utility model are described with reference to the placement state in the drawings, and should not be interpreted as the limiting embodiments of the utility model. In addition, it should also be understood that in the text, when referring to the elements "above" or "below" another element, it is possible that the element is directly "above" or "below" another element, or the element is "above" or "below" another element through an intermediate element.

[0028] With reference to the drawings and embodiments of the present application, the technical solutions in the embodiments of the present application will be described clearly and completely. Obviously, the described embodiments are only some of the embodiments of the present application, but not all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative efforts fall within the scope of the present application.

[0029] Embodiment one

[0030] The embodiment of the present application provides a pedal turnover structure 100, which is combined with Figures 1 to 6 as shown, which comprises a fixed pipe 1 in a cylindrical shape, a middle shell 2 sleeved and fixed to the fixed pipe 1, a first end cover 3 and a second end cover 4 respectively sleeved to the fixed pipe 1 and located at opposite ends of the middle shell 2, a pedal plate 5 fixed to the first end cover 3 and the second end cover 4 at the same time and spaced apart from the middle shell 2, and a toggle switch 6 accommodated in the middle shell 2; the first end cover 3 and the second end cover 4 are rotationally connected with the fixed pipe 1 respectively, a side of the first end cover 3 close to the middle shell 2 is provided with a plurality of limiting grooves 31 recessed inward and spaced apart from each other, and the plurality of limiting grooves 31 are arranged around the fixed pipe 1 along the circumferential direction of the fixed pipe 1.

[0031] As shown in Figure 2 , the toggle switch 6 comprises a limiting portion 61 clamped between the fixed pipe 1 and the middle shell 2 and a toggle portion 62 extending away from the fixed pipe 1 in a direction away from the fixed pipe 1 from a side of the limiting portion 61 away from the fixed pipe 1, the limiting portion 61 extends to the first end cover 3 from one end close to the first end cover 3 and extends to one of the limiting grooves 31 through the middle shell 2, and the toggle portion 62 extends to the middle shell 2 through the middle shell 2 and forms a sliding connection with the middle shell 2; when the toggle switch 6 is forced to slide along the radial direction of the middle shell 2 away from the first end cover 3, the one end of the limiting portion 61 close to the first end cover 3 is separated from the limiting groove 31, and the first end cover 3 and the second end cover 4 can rotate along the fixed pipe 1.

[0032] When the pedal plate 5 of the pedal turnover structure 100 needs to be rotated to be folded or unfolded, force is applied to make the toggle switch 6 slide along the radial direction of the middle shell 2 away from the first end cover 3, at this time, the one end of the limiting portion 61 close to the first end cover 3 will be separated from the limiting groove 31, so that the first end cover 3 and the second end cover 4 drive the pedal plate 5 to rotate along the fixed pipe 1; when the pedal plate 5 is rotated to the required position, force is applied again to make the toggle switch 6 slide along the radial direction of the middle shell 2 close to the first end cover 3, at this time, the one end of the limiting portion 61 close to the first end cover 3 will be inserted into the corresponding limiting groove 31, so as to limit the pedal plate 5 again, and the effect of rotating to be folded or unfolded is achieved. As shown in Figure 1 , the state of the pedal turnover structure 100 after being folded is shown in Figure 6 .

[0033] As Figure 2 shown, the fixed tube 1 includes the first tube segment 11 and the second tube segment 12 which are spaced apart and arranged opposite to each other, and the third tube segment 13 connecting the first tube segment 11 and the second tube segment 12; the middle shell 2, the first end cover 3 and the second end cover 4 are respectively sleeved on the third tube segment 13. Such design can install the whole foot pedal turnover structure 100 to the seat through the first tube segment 11 and the second tube segment 12.

[0034] As Figure 2 shown, the middle shell 2 includes the first shell body 23, the second shell body 24 which is sleeved on the first shell body 23, and the first connecting piece 25 connecting the first shell body 23 and the second shell body 24, the first shell body 23 is provided with the first connecting hole 231 which is recessed in the direction away from the second shell body 24, the second shell body 24 is provided with the second connecting hole 241 which penetrates through the position corresponding to the first connecting hole 231, and the first connecting piece 25 is penetrated through the second connecting hole 241 to the first connecting hole 231 to fix the second shell body 24 to the first shell body 23; in this embodiment, the limiting part 61 is clamped between the fixed tube 1 and the first shell body 23, and the corresponding actuating part 62 penetrates through the first shell body 23 and forms a sliding connection with the first shell body 23; the first connecting piece 25 can be a screw, a screw cap cooperating with a bolt, a rivet, etc. Such design can facilitate the disassembly, maintenance or replacement of the middle shell 2 and the actuating switch 6.

[0035] As Figure 5 shown, the second end cover 4 includes the end cover body 41, the sliding groove 42 which is recessed inward from the side of the end cover body 41 away from the first end cover 3 and arranged around the fixed tube 1, and the plurality of positioning grooves 43 which are recessed inward from the side of the end cover body 41 close to the first end cover 3 and arranged around the fixed tube 1 and respectively communicated with the sliding groove 42, the plurality of positioning grooves 43 are arranged one by one corresponding to the plurality of limiting grooves 31; the end of the limiting part 61 close to the second end cover 4 extends to the direction of the second end cover 4 and penetrates through one of the positioning grooves 43 to the sliding groove 42, and the side of the limiting part 61 away from the fixed tube 1 is provided with the guide groove 611 which is recessed inward; when the actuating switch 6 slides in the radial direction of the middle shell 2 away from the first end cover 3, the guide groove 611 falls into the positioning groove 43. Such design can realize re-limiting through the end of the limiting part 61 close to the second end cover 4 and the positioning groove 43, and also realize the rotating guide effect through the protruding part between the guide groove 611 and the adjacent two positioning grooves 43.

[0036] In this embodiment, the number of the limiting grooves 31 and the positioning grooves 43 is two, and the corresponding one of the limiting grooves 31 and the positioning grooves 43 is used to limit the foot pedal 5 when the foot pedal 5 is retracted, and the corresponding other one of the limiting grooves 31 and the positioning grooves 43 is used to unfold the foot pedal 5. Of course, according to actual needs, the number of the limiting grooves 31 and the positioning grooves 43 can also be designed as three, four, etc. for different riders to use.

[0037] As shown in Figure 5 , the second end cover 4 further comprises a baffle 44 fixed to the end cover body 41 away from the first end cover 3, the baffle 44 is arranged along the circumference of the fixing pipe 1 and is spaced from the fixing pipe 1, and the baffle 44 also covers the sliding groove 42 of the second end cover 4; the baffle 44 is fixed to the second end cover 4 by screws. This design can limit the sliding distance of the limiting part 61 along the radial direction of the middle shell 2 away from the first end cover 3, so as to avoid that the guide groove 611 cannot fall into the positioning groove 43, and the protruding part between the guide groove 611 and the adjacent two positioning grooves 43 cannot realize the guiding effect of rotation.

[0038] As shown in Figure 2 , the middle shell 2 is provided with an inwardly recessed mounting groove 21 corresponding to the position of the limiting part 61, and the mounting groove 21 extends from one end of the middle shell 2 to the opposite end; the middle shell 2 is provided with a mounting hole 22 penetrating therethrough corresponding to the position of the pushing part 62, and the mounting hole 22 extends along the radial direction of the middle shell 2 and communicates with the mounting groove 21; the limiting part 61 is arranged in the mounting groove 21 and extends to both ends of the mounting groove 21 respectively, and the pushing part 62 passes through the mounting hole 22 and forms a sliding connection with the mounting hole 22. This design can facilitate the installation and limiting of the push switch 6.

[0039] As shown in Figure 4 , one side of the limiting part 61 is provided with a fixed groove 612 formed by inwardly recessing; the groove bottom of the mounting groove 21 is provided with a fixed part 211 extending in the direction of the fixed groove 612, and the fixed part 211 extends to one end of the fixed groove 612 and forms an abutment; the foot pedal overturning structure 100 further comprises a resilient member 7, one end of the resilient member 7 is fixed to the other end of the fixed groove 612, and the other end of the resilient member 7 is fixed to the fixed part 211; in this embodiment, the resilient member 7 can be a spring, a spring piece or elastic silica gel, etc. This design can realize the automatic reset of the limiting part 61 through the resilient member 7.

[0040] In this embodiment, the fixed groove 612 is arranged on one side adjacent to the fixing pipe 1 or away from the fixing pipe 1 of the limiting part 61.

[0041] As shown in Figure 2 , the first end cover 3 and the second end cover 4 respectively have a ring structure with a notch; the foot pedal 5 comprises a pedal body 51 and two extension parts 52 extending from the pedal body 51 to the notches of the first end cover 3 and the second end cover 4 respectively, and the two extension parts 52 respectively extend into the notches of the first end cover 3 and the second end cover 4 and form fixed connections with the first end cover 3 and the second end cover 4 respectively. This design can improve the stability of the connection between the foot pedal 5 and the first end cover 3 and the second end cover 4 respectively.

[0042] As shown in Figure 2As shown, the two ends of the first end cover 3 and the one of the extension portions 52 corresponding to the first end cover 3 are respectively provided with a third connecting hole 32 penetrating therethrough; the two ends of the second end cover 4 and the other of the extension portions 52 corresponding to the second end cover 4 are respectively provided with a fourth connecting hole 45 penetrating therethrough; the foot pedal turnover structure 100 further comprises a second connecting member 8 and a third connecting member 9, the second connecting member 8 penetrates through the third connecting hole 32 to form a fixed connection between the first end cover 3 and the extension portion 52 corresponding thereto, and the third connecting member 9 penetrates through the fourth connecting hole 45 to form a fixed connection between the second end cover 4 and the extension portion 52 corresponding thereto. The first connecting member 25 and the second connecting member 8 can be screws, bolts matched with nuts, rivets, etc. Such a design can facilitate the disassembly and assembly of the foot pedal 5 with the first end cover 3 and the second end cover 4, respectively.

[0043] In the embodiment, the end cover body 41 of the second end cover 4 is in a ring structure with a notch, and the third connecting hole 32 is arranged at the two ends of the end cover body.

[0044] In the embodiment, the fixed tube 1, the middle shell 2, the first end cover 3, the second end cover 4, the foot pedal 5, the toggle switch 6, the first connecting member 25, the second connecting member 8, and the third connecting member 9 are all plastic parts, i.e., all are made of plastic materials. Compared with being made of metal materials, the embodiment made of plastic materials can greatly reduce the production cost.

[0045] Compared with the prior art, the foot pedal turnover structure 100 in the embodiment is designed by arranging the fixed tube 1, the middle shell 2 sleeved on the fixed tube 1, the first end cover 3 and the second end cover 4 located at the two ends of the middle shell 2, the foot pedal 5 arranged in a spaced manner with the middle shell 2, and the toggle switch 6 accommodated in the middle shell 2, and limiting that the side of the first end cover 3 close to the middle shell 2 is provided with a plurality of limiting grooves 31, limiting that the toggle switch 6 comprises a limiting portion 61 and a toggle portion 62 penetrating through the middle shell 2 and forming a sliding connection with the middle shell 2, and further limiting that when the toggle switch 6 is forced to slide along the middle shell 2 in a direction away from the first end cover 3, the end of the limiting portion 61 close to the first end cover 3 is out of the limiting groove 31, and the first end cover 3 and the second end cover 4 can rotate along the fixed tube 1. In this way, when the foot pedal turnover structure 100 is installed on a seat and encounters a situation that the occupant does not need to use the foot pedal 5, the end of the limiting portion 61 close to the first end cover 3 can be out of the limiting groove 31 by driving the toggle portion 62, so as to rotate the first end cover 3 and the second end cover 4 to drive the foot pedal 5 to be retracted, so that the foot pedal 5 does not affect the placement of the feet of the occupant, thereby improving the use experience of the occupant.

[0046] Embodiment Two

[0047] The embodiment provides a seat which comprises a seat body and the foot pedal turnover structure 100 as in the first embodiment above fixed to the seat body; two ends of the fixed pipe 1 are fixed to the seat body respectively, i.e. one end of the first pipe segment 11 away from the third pipe segment 13 and one end of the second pipe segment 12 away from the third pipe segment 13 are fixed to the seat body respectively.

[0048] Since the seat in the embodiment comprises the foot pedal turnover structure 100 as in the first embodiment above, the seat can also achieve the technical effects achieved by the foot pedal turnover structure 100 as in the first embodiment above, which will not be repeated here.

[0049] It should be noted that the various embodiments described above with reference to the drawings are only used to illustrate the present application and not to limit the scope of the present application, and those skilled in the art should understand that the modifications or equivalent replacements made to the present application without departing from the spirit and scope of the present application should be covered within the scope of the present application. In addition, unless otherwise indicated by the context, the word appearing in the singular form includes the plural form, and vice versa. In addition, unless specifically stated, all or part of any embodiment can be used in combination with all or part of any other embodiment.

Claims

1. A pedal flip structure, characterized by, The pedal overturning structure comprises a fixed pipe in a cylindrical shape, a middle shell sleeved and fixed to the fixed pipe, a first end cover and a second end cover respectively sleeved to the fixed pipe and located at opposite ends of the middle shell, a pedal plate fixed to the first end cover and the second end cover and spaced apart from the middle shell, and a toggle switch accommodated in the middle shell; the first end cover and the second end cover are rotationally connected with the fixed pipe, a side of the first end cover close to the middle shell is provided with a plurality of limiting grooves recessed inward and spaced apart from each other, and the plurality of limiting grooves are arranged around the fixed pipe in the circumferential direction of the fixed pipe; the toggle switch comprises a limiting portion clamped between the fixed pipe and the middle shell and a toggle portion extending away from the fixed pipe from a side of the limiting portion away from the fixed pipe; an end of the limiting portion close to the first end cover extends towards the first end cover, passes through the middle shell and extends into one of the limiting grooves, and the toggle portion extends through the middle shell and is in sliding connection with the middle shell; when the toggle switch is forced to slide along the radial direction of the middle shell away from the first end cover, the end of the limiting portion close to the first end cover is separated from the limiting groove, and the first end cover and the second end cover can rotate along the fixed pipe.

2. The pedal flip structure of claim 1, wherein, The second end cover comprises an end cover body, a sliding groove recessed inward from a side of the end cover body away from the first end cover and arranged around the fixed pipe, and a plurality of positioning grooves recessed inward from a side of the end cover body close to the first end cover; the plurality of positioning grooves are arranged around the fixed pipe and are in communication with the sliding groove one by one, and the plurality of positioning grooves are arranged one by one corresponding to the plurality of limiting grooves; an end of the limiting portion close to the second end cover extends towards the second end cover and extends through one of the positioning grooves to the sliding groove, and a side of the limiting portion away from the fixed pipe is provided with a guide groove recessed inward; when the toggle switch slides along the radial direction of the middle shell away from the first end cover, the guide groove falls into the positioning groove.

3. The pedal flip structure of claim 2, wherein, The second end cover further comprises a baffle fixed to the end cover body away from the first end cover; the baffle is arranged around the fixed pipe in the circumferential direction of the fixed pipe and is spaced apart from the fixed pipe.

4. The pedal flip structure of claim 2, wherein, The middle shell is provided with a mounting groove recessed inward corresponding to the position of the limiting portion; the mounting groove extends from one end of the middle shell to the opposite end; the middle shell is provided with a mounting hole penetrating therethrough corresponding to the position of the toggle portion; the mounting hole extends in the radial direction of the middle shell and is in communication with the mounting groove; the limiting portion is arranged in the mounting groove and extends towards both ends of the mounting groove respectively, and the toggle portion passes through the mounting hole and is in sliding connection with the mounting hole.

5. The pedal flip structure of claim 4, wherein, One side of the limiting part is provided with a fixed groove formed by inwardly recessing; the groove bottom of the mounting groove is provided with a fixed part extending to the direction of the fixed groove, the fixed part extends to one end of the fixed groove and forms an abutment; the foot pedal turnover structure further comprises an elastic member, one end of the elastic member is fixed to the other end of the fixed groove, the other end of the elastic member is fixed to the fixed part.

6. The pedal flip structure of claim 1, wherein, The middle shell comprises a first shell, a second shell provided on the first shell, and a first connecting piece connecting the first shell and the second shell, the first shell is provided with a first connecting hole formed by recessing away from the second shell, the second shell is provided with a second connecting hole penetrating therethrough corresponding to the position of the first connecting hole, and the first connecting piece is arranged from the second connecting hole to the first connecting hole to fix the second shell to the first shell; the limiting part is clamped between the fixed tube and the first shell.

7. The pedal flip structure of claim 1, wherein The first end cover and the second end cover are respectively annular structures with notches; the foot pedal comprises a pedal body and two extension parts extending from the pedal body to the notches of the first end cover and the second end cover respectively, the two extension parts extend into the notches of the first end cover and the second end cover respectively, and are fixedly connected with the first end cover and the second end cover respectively.

8. The pedal flip structure of claim 1, wherein, The fixed tube, the middle shell, the first end cover, the second end cover, the foot pedal and the toggle switch are all plastic parts.

9. The pedal flip structure of claim 1, wherein, The fixed tube comprises a first tube segment and a second tube segment arranged opposite to each other and spaced apart, and a third tube segment connecting the first tube segment and the second tube segment; the middle shell, the first end cover and the second end cover are respectively sleeved on the third tube segment.

10. A seat, characterized by The seat comprises a seat body and a foot pedal turnover structure as claimed in any one of claims 1 to 9 fixed to the seat body; both ends of the fixed tube are fixed to the seat body respectively. The seat comprises a seat body and a foot pedal turnover structure as claimed in any one of claims 1 to 9 fixed to the seat body; both ends of the fixed tube are fixed to the seat body respectively.

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