CN212803032U

CN212803032U - Multi-section inflatable multifunctional ladder

Info

Publication number: CN212803032U
Application number: CN202021421525.XU
Authority: CN
Inventors: 张枫华; 张朱晨
Original assignee: Nanjing Longma Communication Engineering Co ltd
Current assignee: Nanjing Longma Communication Engineering Co ltd
Priority date: 2020-07-17
Filing date: 2020-07-17
Publication date: 2021-03-26
Anticipated expiration: 2030-07-17

Abstract

The application relates to a multi-section inflatable multifunctional ladder, which comprises a hollow bearing body, wherein the bearing body is made of a closed flexible material, the outer side wall of the bearing body is provided with an air faucet communicated with a cavity, one side of the bearing body, which is far away from the air faucet, is provided with a plurality of inwards-recessed pedal grooves, the bearing body is provided with a plurality of bearing bodies in the vertical direction, two adjacent bearing bodies are connected through a connecting piece, and the connecting piece and the air faucet are positioned on the same side of the bearing; one side of the supporting body, which deviates from the opening of the pedal groove, is provided with a traction belt, the traction belt comprises a longitudinal belt and a transverse belt which are arranged in a staggered manner, and the longitudinal belt and the transverse belt are connected to the supporting body through eye-splices. The multifunctional ladder is connected through the plurality of supporting bodies, so that an operator can conveniently and randomly adjust the length of the multifunctional ladder; the feet of an operator are supported by the support plate, so that the requirement on the air pressure strength in the supporting body is reduced, and the safety of the operator when climbing the multifunctional ladder is improved; the multifunctional ladder is supported through the support rods, so that the structural stability of the multifunctional ladder is improved.

Description

Multi-section inflatable multifunctional ladder

Technical Field

The application relates to an aerify the cat ladder field, especially relate to a multi-section aerifys multi-functional ladder.

Background

Ladders are commonly used as a climbing tool, and the existing ladders comprise a straight ladder standing on a fixed wall body, a herringbone ladder standing on the opposite sides of the ladder, a telescopic scaling ladder and a rope ladder hung on an object at high altitude.

Chinese patent with publication number CN201176846 discloses a ladder of usefulness of ascending a height, including a plurality of ladder shelves and with the stand of a plurality of ladder shelves both ends rigid coupling, a plurality of ladder shelves and stand are cylindricality ladder shelves gasbag and cylindricality stand gasbag respectively, a plurality of cylindricality ladder shelves gasbags and cylindricality stand gasbag communicate each other and constitute the inflatable ladder, and are equipped with the charging connector in the downside of stand gasbag.

In view of the above-mentioned related technologies, the inventor believes that the ladder is prone to be bent downwards greatly during climbing, and has the defect of unstable placement.

SUMMERY OF THE UTILITY MODEL

In order to improve and aerify the unstable problem of placing of ladder, the application provides a multi-section and aerifys multi-functional ladder.

The application provides a multi-section is aerifyd multi-functional ladder adopts following technical scheme:

a multi-section inflatable multifunctional ladder comprises a hollow supporting body, wherein the supporting body is made of sealed flexible materials, a plurality of supporting bodies are arranged in the vertical direction, two adjacent supporting bodies are connected through a connecting piece, and one side, away from the connecting piece, of each supporting body is provided with an inwards-recessed pedal groove; the outer side wall of the bearing body, close to the ground, of the plurality of bearing bodies is provided with an air nozzle communicated with the cavity, and the rest of the bearing bodies are provided with air inlet members for inflating; one side of the supporting body, which deviates from the opening of the pedal groove, is provided with a traction belt, the traction belt comprises a longitudinal belt and a transverse belt which are arranged in a staggered mode, and the longitudinal belt and the transverse belt are connected to the supporting body through inserting buckles.

By adopting the technical scheme, an operator inflates the bearing body close to the ground through the air tap, then the operator inflates the rest bearing bodies through the air inlet piece until the connected bearing bodies swell to form the multifunctional ladder, the operator connects the traction belt to the bearing bodies through the buckles, the traction belt is tightened and tightly attached to the surface of the bearing bodies, so that the traction belt can generate supporting force for the bearing bodies when the operator climbs the multifunctional ladder, the downward bending amplitude of the multifunctional ladder is reduced, the possibility of large-amplitude bending of the operator when climbing the multifunctional ladder is reduced, the stability of the multifunctional ladder is improved, meanwhile, the operator can release the gas in the bearing bodies when the operator does not use the multifunctional ladder, the operator can roll the multifunctional ladder conveniently, and the operator can carry the multifunctional ladder conveniently, and the operator can be according to the in service behavior, with multi-functional ladder fifty percent discount for multi-functional ladder forms the double ladder, so that the operator is applied to in multiple scene with multi-functional ladder.

Preferably, the air inlet comprises an air inlet nozzle arranged on the supporting body.

Through adopting above-mentioned technical scheme, the operator aerifys earlier in to the carrier that is close to ground, and the operator aerifys in to all the other carriers through the suction nozzle after that to highly aerifing in the carrier that corresponds of climbing as required, thereby the operator of being convenient for highly adjusts multi-functional ladder, so that multi-functional ladder is suitable for different heights.

Preferably, the air inlet part comprises an air inlet pipe and a switch valve, the air inlet pipe is communicated with the two adjacent bearing bodies, and the switch valve is arranged on the air inlet pipe between the two adjacent bearing bodies.

Through adopting above-mentioned technical scheme, the operator aerifys earlier in to the carrier that is close to ground, the height that the operator can scramble as required will correspond the ooff valve and open, the gas in the carrier that is close to ground this moment enters into adjacent carrier through the intake pipe, when the carrier that links to each other of a plurality of was bloated completely, the operator stopped to aerify, make a plurality of carrier form multi-functional ladder, thereby ooff valve and intake pipe are convenient for the operator highly adjust multi-functional ladder, in order to improve multi-functional ladder's application scope.

Preferably, the supporting body is provided with a supporting plate on two side walls of the pedal groove, and the supporting plate is arranged along the length direction of the pedal groove.

Through adopting above-mentioned technical scheme, when the operator trampled the cell wall at pedal groove, the backup pad can increase the hardness of pedal groove lateral wall to the backup pad plays the effect of support to operator's foot, makes the pressure that the gas in the carrier received reduce, and then reduces the requirement of carrier internal gas pressure intensity, promotes the stability of operator when climbing multi-functional ladder.

Preferably, two adjacent supporting bodies are connected through a first magic tape, and the first magic tape is arranged on one side of the supporting bodies, which is far away from the connecting piece.

Through adopting above-mentioned technical scheme, the operator passes through first magic subsides with two adjacent supporting bodies and bonds, and first magic subsides can increase the firm in connection nature of two adjacent supporting bodies to reduce the possibility that appears the dislocation between two adjacent supporting bodies, with the structural stability who increases multi-functional ladder.

Preferably, two handrails are arranged at two ends of the supporting body along the length direction of the pedal groove, and the handrails are communicated with the cavity of the supporting body.

Through adopting above-mentioned technical scheme, the operator is at the in-process of climbing multi-functional ladder, and the operator can upwards scramble through the handrail of pulling in hand to the handrail is convenient for the operator and snatchs multi-functional ladder, and then promotes the stability of operator when climbing multi-functional ladder, has reduced the potential safety hazard.

Preferably, two ends of the supporting body along the length direction are provided with two supporting rods for supporting the supporting body, one end of each supporting rod along the length direction is provided with a positioning groove, one end of each supporting rod, which is far away from the positioning groove, is provided with a positioning column with the same size as the positioning groove, and when the two supporting rods are connected, the positioning columns are inserted into the positioning grooves; two ends of the supporting body along the length direction are provided with two pairs of positioning sleeves used for connecting the supporting rods, and the openings of the positioning sleeves are arranged oppositely.

Through adopting above-mentioned technical scheme, the operator aerifys a plurality of supporting body and forms after the multi-functional ladder, the operator inserts the bracing piece in the position sleeve on the supporting body of top, then the operator is connected a plurality of bracing piece according to aerifing highly, two adjacent bracing pieces are fixed a position through constant head tank and reference column, when the bracing piece is connected to appropriate length, the operator supports the bracing piece of lower extreme tightly subaerial, make the bracing piece support the multi-functional ladder, thereby increase the structural stability of multi-functional ladder, and then reduce the possibility that the multi-functional ladder appears empting, so that the operator scrambles the multi-functional ladder.

Preferably, a limiting groove is formed in the side wall of the positioning column, a limiting block is connected in the limiting groove in a sliding mode, a spring is arranged between the bottom wall of the limiting groove and the limiting block, two ends of the spring are respectively abutted against the limiting block and the bottom wall of the limiting groove, and a limiting hole communicated with the positioning groove is formed in one end, away from the positioning column, of the supporting rod; when the positioning column is inserted into the positioning groove, the limiting block is inserted into the limiting hole.

Through adopting above-mentioned technical scheme, the operator is when connecting two adjacent bracing pieces, the operator presses the stopper on one of them bracing piece, make the stopper be close to the diapire of spacing groove, the stopper compresses the spring, the spring has elastic restoring force by the compression, then the operator with the reference column peg graft in the constant head tank of another bracing piece, when the spacing groove is aligned with spacing hole, the spring is under the effect of elastic restoring force, spring promotion part stopper peg graft in spacing hole, the stopper restricts the bracing piece moving direction through spacing hole, thereby the stopper can increase the firm in connection between two adjacent bracing pieces, and then reduce the possibility that two adjacent bracing pieces appear breaking away from each other.

Preferably, the supporting seat is connected to the supporting body close to the ground.

Through adopting above-mentioned technical scheme, the operator is when placing multi-functional ladder, and the supporting seat can increase the area of contact of supporting body and ground to increase the stability that multi-functional ladder was placed, go out the possibility of appearing empting with reducing multi-functional ladder.

Preferably, when the supporting bodies are folded in half to form the herringbone ladder, two supporting seats are arranged, the two supporting seats are respectively connected to the two supporting bodies close to the ground, and the two supporting seats are connected through a pull rope.

Through adopting above-mentioned technical scheme, after the operator folded multi-functional ladder into double ladder, the operator was connected two supporting seats through the stay cord, and the stay cord produced pulling force to two supporting seats this moment to increased the stability of supporting seat, and then reduced two supporting seats and taken place to the condition that deviates from one side removal mutually, in order to promote multi-functional ladder's stability.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the supporting body is supported by the traction belt, so that the downward bending amplitude of the multifunctional ladder can be reduced, the possibility of large-amplitude bending of an operator when climbing the multifunctional ladder is reduced, and the stability of the multifunctional ladder is improved;

2. the support plate supports the feet of the operator, so that the stability of the operator when climbing the multifunctional ladder can be improved;

3. the multifunctional ladder is supported through the supporting rods, the structural stability of the multifunctional ladder can be improved, the possibility of toppling over of the multifunctional ladder is reduced, and an operator can climb the multifunctional ladder conveniently.

Drawings

Fig. 1 is a schematic view of the entire structure of embodiment 1.

Fig. 2 is a schematic structural diagram of embodiment 1 for embodying a carrier.

Fig. 3 is a schematic structural view of the first magic tape according to embodiment 1.

Fig. 4 is a schematic structural diagram of the support rod according to embodiment 1.

Fig. 5 is a schematic structural diagram of embodiment 1 for embodying the positioning post.

FIG. 6 is a schematic view showing a state of use of embodiment 1.

Fig. 7 is a schematic structural view for embodying the intake pipe in embodiment 2.

Description of reference numerals: 1. a supporting seat; 11. pulling a rope; 12. a second magic tape; 2. a carrier; 21. an air tap; 22. a pedal slot; 23. connecting sheets; 24. a traction belt; 241. a longitudinal strip; 242. a transverse belt; 25. inserting and buckling; 251. a plug; 252. a socket; 26. a support plate; 27. a first magic tape; 28. a handrail; 29. a positioning sleeve; 3. a support bar; 31. positioning a groove; 32. a positioning column; 33. a limiting groove; 34. a limiting block; 35. a spring; 36. a limiting hole; 4. an air intake member; 41. an air inlet nozzle; 42. an air inlet pipe; 43. and (4) switching on and off the valve.

Detailed Description

The present application is described in further detail below with reference to figures 1-7.

The embodiment of the application discloses multi-section inflatable multifunctional ladder.

Example 1

Referring to fig. 1 and 2, the multifunctional ladder comprises a plurality of mutually connected supporting bodies 2 and a supporting seat 1 arranged on the ground, wherein the supporting bodies 2 and the supporting seat 1 are hollow cuboids. The slope of supporting body 2 sets up in one side that supporting seat 1 deviates from ground, and supporting body 2 pastes 12 through the second magic and connects on supporting seat 1. The size of the supporting seat 1 is larger than that of the supporting body 2, so that the contact area of the supporting body 2 and the ground can be increased, and the supporting body 2 is stably placed on the ground. An air tap 21 is arranged on the supporting body 2 close to the supporting seat 1 and the supporting seat 1, the air tap 21 on the supporting body 2 is arranged on the side wall close to one side of the supporting seat 1, and the air tap 21 is communicated with the cavity of the supporting body 2. The rest of the carrier bodies 2 are provided with air inlet parts 4, and the air inlet parts 4 comprise air inlet nozzles 41 communicated with the cavities of the carrier bodies 2. And supporting seat 1 and supporting body 2 are made by inclosed flexible material, and the flexible material is rubber, and rubber self is softer and have elasticity, has certain contractile force.

Referring to fig. 1 and 2, a pedal slot 22 is recessed inwards on one side of the supporting body 2 away from the air faucet 21, and the side wall of the pedal slot 22 close to the inner wall of the supporting body 2 is connected to the inner wall of the supporting body 2 through a connecting rope, so as to increase the stability of the pedal slot 22. And a supporting plate 26 is adhered to the two side walls of the supporting seat 1, which are opposite to the pedal groove 22, and the hardness of the supporting plate 26 is greater than that of the supporting body 2. Supporting body 2 is equipped with a plurality of in one side that supporting seat 1 deviates from ground, and the incline direction setting of bottom supporting body 2 is all followed to a plurality of supporting body 2 to two adjacent supporting bodies 2 pass through connection piece 23 and connect, and connection piece 23 bonds on the lateral wall of supporting body 2 keeping away from pedal groove 22 opening one side, and connection piece 23 is made by the rubber material, and rubber self is softer to be buckled easily.

Referring to fig. 1 and 2, the operator can climb to a height as required to inflate the corresponding supporting bodies 2, and when the supporting bodies 2 are fully expanded to form the multifunctional ladder, the operator leans the supporting bodies 2 far away from the supporting base 1 against an object to be climbed. The operator then steps on the foot rest slot 22 to climb up in the direction of the incline of the multi-function ladder. The support plate 26 can now support the feet of the operator, thereby reducing the incidence of significant sag on the edges of the foot wells 22 to improve the stability of the operator when climbing the multi-function ladder.

Referring to fig. 2 and 3, the supporting body 2 is provided with two handrails 28 at both ends of the foothold 22 in the length direction, and the two handrails 28 are symmetrically arranged along the center line of the supporting body 2 in the length direction. And the handrail 28 is made of the same material as the carrier 2. And the handrail 28 is integrally formed with the carrier 2, the handrail 28 being in communication with the carrier 2. When the operator inflates the carrier 2, the armrest 28 bulges along with the carrier 2. The operator can upwards climb through grabbing handrail 28 when climbing multi-functional ladder to handrail 28 can further promote the stability of operator when climbing multi-functional ladder. Simultaneously be provided with first magic subsides 27 between two adjacent supporting bodies 2, the operator pastes 27 with two faces that two adjacent supporting bodies 2 were laminated mutually through first magic and connects, can increase the firm in connection nature between two adjacent supporting bodies 2, and then increases multi-functional ladder's structural stability to reduce the possibility that the dislocation appears between the supporting body 2.

Referring to fig. 2, the carrier 2 is provided with a traction belt 24 at a side far away from the opening of the pedal slot 22, the traction belt 24 includes a longitudinal belt 241 and a transverse belt 242 which are vertically crossed, the longitudinal belt 241 is arranged along the length direction of the multifunctional ladder, the transverse belt 242 is uniformly distributed along the length direction of the longitudinal belt 241, and the transverse belt 242 is in one-to-one correspondence with the carrier 2. The traction belt 24 is connected to the carrier 2 through a plug buckle 25, the plug buckle 25 comprises a socket 252 and a plug 251, the socket 252 is fixedly connected to the carrier 2, and four sockets 252 are uniformly arranged along the length direction of the carrier 2. The plug buckle 25 is fixedly connected to the transverse belt 242, and the plugs 251 correspond to the sockets 252 one by one. The operator inserts the plug 251 into the socket 252 so that the pull tape 24 rests against the wall of the carrier 2. This in-process of climbing multi-functional ladder of operator, traction belt 24 tightens to produce the holding power to supporting body 2, make multi-functional ladder downwarping's range reduce, thereby reduce multi-functional ladder and appear the possibility of bending by a wide margin, with the stability that promotes multi-functional ladder.

Referring to fig. 4 and 5, two pairs of positioning sleeves 29 are disposed at two ends of the supporting body 2 along the length direction, the openings of the two positioning sleeves 29 are oppositely disposed, and the supporting rod 3 inclined to the ground is inserted into the positioning sleeve 29 far away from the supporting seat 1. The supporting rod 3 is provided with a positioning groove 31 at one end close to the supporting body 2, and a positioning column 32 with the same size as the positioning groove 31 is arranged at one end of the supporting rod 3 far away from the positioning groove 31. Two spacing grooves 33 have been seted up along the circumferencial direction symmetry to reference column 32, all are equipped with spring 35 and stopper 34 in two spacing grooves 33, and stopper 34 sliding connection is in spacing groove 33, and the one end fixed connection of spring 35 is on the diapire of spacing groove 33, and other end fixed connection is on stopper 34, and the one end that stopper 34 kept away from spring 35 is the hemisphere. Meanwhile, one end of the support rod 3, which is far away from the positioning column 32, is provided with two limiting holes 36 communicated with the positioning groove 31, the two limiting holes 36 are symmetrically arranged along the circumferential direction of the support rod 3, and the size of each limiting hole 36 is the same as that of the limiting block 34.

Referring to fig. 4 and 5, after the operator supports the multi-purpose ladder, the operator inserts the support rod 3 into the uppermost position sleeve 29. Then the operator connects a plurality of bracing pieces 3 according to the height of multi-functional ladder, and the operator presses stopper 34 for stopper 34 compresses spring 35 to spring 35 and has the elastic restoring force that is compressed. At this time, the positioning column 32 is inserted into the positioning groove 31 of another supporting rod 3 by the operator until the limiting groove 33 is aligned with the limiting hole 36, and the spring 35 pushes a part of the limiting block 34 to extend out of the limiting groove 33, so that the limiting block 34 is inserted into the limiting hole 36. And the limiting block 34 limits the supporting rods 3 through the limiting holes 36, so as to reduce the possibility that two adjacent supporting rods 3 are separated from each other. When the length that connects up to a plurality of bracing piece 3 is greater than the height of multi-functional ladder, the operator supports bracing piece 3 tightly subaerial for bracing piece 3 supports multi-functional ladder, in order to promote multi-functional ladder's stability.

Referring to fig. 6, the operator can form the double ladder with multi-functional ladder fifty percent discount according to service environment's demand, and the operator needs two supporting seats 1 this moment, and two supporting seats 1 are connected with two supporting bodies 2 that are close to ground respectively to promote multi-functional ladder's stability. Be equipped with stay cord 11 between two supporting seats 1, and two supporting seats 1 one side relative all is equipped with a rope fastening to the operator connects stay cord 11 on two supporting seats 1 simultaneously. The operator is when climbing multi-functional ladder, and stay cord 11 produces pulling force to two supporting seats 1 to reduce the condition emergence that two supporting seats 1 removed to one side of carrying on the back, in order to promote multi-functional ladder's stability.

The implementation principle of the embodiment 1 is as follows: the operator climbs as required highly to filling into gas in the supporting body 2 that corresponds for supporting body 2 is bloated, and the operator pastes 27 through first magic and bonds supporting body 2 that a plurality of is bloated, makes a plurality of supporting body 2 form multi-functional ladder. The operator then grasps the handrail 28 and climbs upwards along the incline of the multi-function ladder, at which point the traction belt 24 supports the carrier 2 to reduce the possibility of excessive bending of the multi-function ladder. According to different service environments, an operator can fold the multifunctional ladder into a herringbone ladder in a diagonal manner, so that the multifunctional ladder is suitable for different service environments.

Example 2

Referring to fig. 7, the present embodiment is different from embodiment 1 in that the air inlet member 4 includes an air inlet pipe 42, the air inlet pipe 42 is simultaneously communicated with two adjacent supporting bodies 2, and both ends of the air inlet pipe 42 are simultaneously penetrated on the connecting piece 23. And the inlet duct 42 is provided with a switch valve 43 between the two carriers 2 to facilitate the flow restriction of the inlet duct 42 by the operator. The operator firstly inflates the supporting body 2 through the air tap 21, and then the corresponding switch valve 43 is opened by the climbing height according to the requirement, so that the air in the supporting body 2 enters the adjacent supporting body 2 through the air inlet pipe 42. Until the connected supporting bodies 2 are completely swelled, the operator stops inflating, so that the air inlet pipe 42 is convenient for the groove user to adjust the height of the multifunctional ladder, thereby increasing the application range of the multifunctional ladder.

The implementation principle of the embodiment 2 is as follows: when the operator uses the multifunctional ladder, the operator firstly inflates the supporting body 2 through the air tap 21, and then the corresponding switch valve 43 is opened according to the climbing height of the operator. At the moment, the air enters the adjacent supporting bodies 2 through the air inlet pipe 42, and the operator stops inflating until the connected supporting bodies 2 swell, so that the aim of adjusting the height of the multifunctional ladder is fulfilled.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a multi-section is aerifyd multi-functional ladder which characterized in that: the supporting structure comprises a hollow supporting body (2), wherein the supporting body (2) is made of a sealed flexible material, a plurality of supporting bodies (2) are arranged in the vertical direction, two adjacent supporting bodies (2) are connected through a connecting piece (23), and one side, away from the connecting piece (23), of each supporting body (2) is provided with an inwards-recessed pedal groove (22);

the outer side wall of the bearing body (2) close to the ground in the plurality of bearing bodies (2) is provided with an air nozzle (21) communicated with the cavity, and the rest of the bearing bodies (2) are provided with air inlet pieces (4) for air inflation;

one side of the supporting body (2) departing from the opening of the pedal groove (22) is provided with a traction belt (24), the traction belt (24) comprises longitudinal belts (241) and transverse belts (242) which are arranged in a staggered mode, and the longitudinal belts (241) and the transverse belts (242) are connected to the supporting body (2) through inserting buckles (25).

2. The multi-section inflatable multi-function ladder of claim 1, wherein: the air inlet part (4) comprises an air inlet nozzle (41) arranged on the bearing body (2).

3. The multi-section inflatable multi-function ladder of claim 1, wherein: the air inlet part comprises an air inlet pipe (42) and a switch valve (43), the air inlet pipe (42) is communicated with the two adjacent bearing bodies (2) at the same time, and the switch valve (43) is arranged on the air inlet pipe (42) between the two adjacent bearing bodies (2).

4. The multi-section inflatable multi-function ladder of claim 1, wherein: the supporting body (2) is provided with a supporting plate (26) on two side walls which are deviated from the pedal groove (22), and the supporting plate (26) is arranged along the length direction of the pedal groove (22).

5. The multi-section inflatable multi-function ladder of claim 1, wherein: two adjacent supporting bodies (2) are connected through a first magic tape (27), and the first magic tape (27) is arranged on one side, far away from the connecting sheet (23), of the supporting bodies (2).

6. The multi-section inflatable multi-function ladder of claim 1, wherein: two handrails (28) are arranged at two ends of the supporting body (2) along the length direction of the pedal groove (22), and the handrails (28) are communicated with the cavity of the supporting body (2).

7. The multi-section inflatable multi-function ladder of claim 1, wherein: two supporting rods (3) used for supporting the supporting body (2) are arranged at two ends of the supporting body (2) in the length direction, a positioning groove (31) is formed in one end of each supporting rod (3) in the length direction, a positioning column (32) with the same size as the positioning groove (31) is arranged at one end, away from the positioning groove (31), of each supporting rod (3), and when the two supporting rods (3) are connected, the positioning columns (32) are inserted into the positioning grooves (31);

two pairs of locating sleeves (29) used for connecting the supporting rods (3) are arranged at two ends of the supporting body (2) along the length direction, and the openings of the locating sleeves (29) are arranged oppositely.

8. The multi-section inflatable multi-function ladder of claim 7, wherein: a limiting groove (33) is formed in the side wall of the positioning column (32), a limiting block (34) is connected in the limiting groove (33) in a sliding mode, a spring (35) is arranged between the bottom wall of the limiting groove (33) and the limiting block (34), two ends of the spring (35) are respectively abutted against the limiting block (34) and the bottom wall of the limiting groove (33), and a limiting hole (36) communicated with the positioning groove (31) is formed in one end, away from the positioning column (32), of the supporting rod (3);

when the positioning column (32) is inserted into the positioning groove (31), the limiting block (34) is inserted into the limiting hole (36).

9. The multi-section inflatable multi-function ladder of claim 1, wherein: comprises a supporting seat (1), wherein the supporting seat (1) is connected to a supporting body (2) close to the ground.

10. The multi-section inflatable multi-function ladder of claim 9, wherein: when the supporting bodies (2) are folded in half to form a herringbone ladder, two supporting seats (1) are arranged, the two supporting seats (1) are respectively connected to the two supporting bodies (2) close to the ground, and the two supporting seats (1) are connected through pull ropes (11).