CN116002014A

CN116002014A - Life-saving ball

Info

Publication number: CN116002014A
Application number: CN202211655820.5A
Authority: CN
Inventors: 王相友
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-12-22
Filing date: 2022-12-22
Publication date: 2023-04-25

Abstract

The utility model relates to a life-saving ball, it includes the spheroid, the access & exit has been seted up on the spheroid and hold the chamber, be equipped with air cavity first and through-hole in the spheroid, still be equipped with the charging connector on the spheroid, be equipped with check valve first between two adjacent air cavities first, check valve first includes slider and elastic component first, be equipped with inlet channel and outlet channel on the slider, connecting channel has been seted up on the inside wall of through-hole, when the air cavity is first in the time of admitting air gradually, the slider takes place to remove and makes inlet channel, outlet channel all communicate with connecting channel, realize aerifing, when the gas saturation in air cavity first with outlet channel intercommunication, the slider moves under the effect of elastic component first and keeps away from the air cavity first with outlet channel intercommunication for inlet channel, outlet channel all staggers with connecting channel, realize unidirectional conduction, in the spheroid use, if there is the air cavity first to take place to break, under the effect of check valve first, other part air cavity first can continue to play effect and realize the rescue effect, the reliability of life-saving appliance use has been improved.

Description

Life-saving ball

Technical Field

The present application relates to the field of life saving appliances, and in particular to a life saving ball.

Background

Along with the improvement of people's safety consciousness, more and more life-saving appliances appear in succession to realize fleing fast when disasters such as tsunami, billows, flood take place, at present, the instrument that is used for lifesaving in water mainly has life jacket, lifesaving inflatable floating boat and life-saving ball etc. life jacket, lifesaving inflatable floating boat and life-saving ball all inflate the bulge through an inflation chamber and shape, can lose the rescue effect after bumping the percussion and giving rise to rupture gas leakage, need to improve.

Disclosure of Invention

In order to solve the problem that the life-saving appliance can lose the rescue function after being broken and leaked when being impacted during use, the life-saving ball is provided.

The technical scheme adopted by the life saving ball is as follows:

the life saving ball comprises a ball body, wherein an inlet and an outlet and a containing cavity are formed in the ball body, the inlet and the outlet are communicated with the containing cavity, a plurality of first air cavities and through holes are formed in the ball body, the through holes are located between two adjacent first air cavities and are communicated with the first air cavities, an inflating nozzle is further arranged on the ball body, and the inflating nozzle is communicated with the first air cavities;

be equipped with check valve one between the adjacent two air cavity one, check valve one including slide connect in the through-hole with locate elastic component one on the spheroid, be equipped with inlet channel and air outlet channel on the slider, inlet channel with air outlet channel respectively with two air cavity one-to-one and intercommunication, connecting channel has been seted up on the inside wall of through-hole, works as the slider is moved close to with air cavity one that air outlet channel communicates, connecting channel is located on the travel path of slider, elastic component one taut the slider makes the slider has the trend of slide close to with air cavity one that air inlet channel communicates.

Through adopting above-mentioned technical scheme, when the calamity takes place, the accessible charging connector inflates in the first air cavity of air chamber and makes spheroid bulge shaping, when the air cavity of air chamber with the inlet channel intercommunication is interior when admitting air gradually, the atmospheric pressure in the first air cavity of above-mentioned air chamber grow, promote the slider move close to the air cavity of air chamber with the outlet channel intercommunication first, to inlet channel, the outlet channel all communicates with the connecting channel, at this moment, the air in the air cavity of air chamber with the inlet channel intercommunication first gets into in the air cavity with the outlet channel intercommunication through inlet channel, connecting channel and outlet channel in proper order, realize inflating, in-process, the difficult person gets into and holds the intracavity.

And when the air in the first air cavity communicated with the air outlet channel is saturated, the air pressure in the first air cavities at the two sides of the sliding block is approximately balanced, and the sliding block moves away from the first air cavity communicated with the air outlet channel under the action of the first elastic component, so that the air inlet channel and the air outlet channel are staggered from the connecting channel, and the air in the first air cavity communicated with the air outlet channel cannot reversely enter the first air cavity communicated with the air inlet channel, and unidirectional conduction is realized.

In the use process of the ball body, if the first air cavity is broken, the first air cavity of the rest part can continuously play a role to realize the rescue effect due to the arrangement of the first one-way valve, so that the use reliability of the life-saving appliance is improved.

Preferably, the locating block is slidably connected in the sphere, the locating groove is formed in the sliding block, when the first elastic piece is not stressed, the locating groove is aligned with the locating block, the locating groove is used for enabling the locating block to slide and clamp in, the second elastic piece is further arranged in the sphere, the second elastic piece is abutted to the locating block, the locating block has a trend of clamping in the locating groove, the connecting rope is embedded in the sphere, the limiting block is arranged on the connecting rope, the limiting block penetrates through the locating block, and the locating block is separated from the locating groove.

Through adopting above-mentioned technical scheme, when the air pressure in the air cavity I of slider both sides is close balanced, the slider moves away from the air cavity I with the passageway intercommunication of giving vent to anger under the effect of elastic component I, to elastic component I receive external force effect, at this moment, constant head tank and locating piece aim at, because the air cavity I is filled with gas, the spheroid inflation tightens connecting rope, connecting rope pulling stopper breaks away from the locating piece, the locating piece is blocked into the constant head tank under the effect of elastic component II and is fixed a position the slider, realize when one of them air cavity I breaks, because the unidirectional conduction effect of check valve I and the location of slider, separate other air cavity I with the air cavity I that breaks, the influence that other air cavity I received has reduced, the other air cavity I receives the sweep and takes place the condition of leaking or breaking, further improve life-saving appliance's reliability in use.

Preferably, an elastic piece III is further arranged in the ball body, and the elastic piece III is located at one side, far away from the positioning block, of the limiting block and abuts against the limiting block.

Through adopting above-mentioned technical scheme, set up the elastic component III for the stopper wears to locate the locating piece all the time, has reduced the condition of stopper slippage locating piece when the spheroid is not inflated, has improved the stability that the stopper was fixed a position the locating piece.

Preferably, a plugging block is further arranged on the ball body, and the plugging block is used for plugging the access opening.

Through adopting above-mentioned technical scheme, set up the shutoff piece, through shutoff piece shutoff access & exit, reduced the calamity and carried out the in-process, the condition of water entering holding the chamber.

Preferably, a second air cavity is arranged in the plugging block, one side of the plugging block is connected with the ball body, a second one-way valve is arranged between the second air cavity and one of the first air cavities, the second one-way valve is used for conducting the first air cavity to the second air cavity in a one-way mode, and the second one-way valve has the same structure as the first one-way valve.

Through adopting above-mentioned technical scheme, the storage of the shutoff piece of being convenient for during the transportation has reduced the area occupied of shutoff piece, and after the spheroid is inflated and is accomplished, the shutoff can be realized to the shutoff piece lid access & exit that the upset shutoff piece makes, when needs ventilative, the passageway is in order to expose to the upset shutoff piece, realizes outside air and holds the gaseous circulation in the intracavity, realizes ventilative, can provide permanent salvation effect to the difficult person in the disaster of duration or when marine distress.

Preferably, the plugging block comprises a connecting part arranged on the ball body and a plugging part arranged on the connecting part, the plugging part is used for plugging the inlet and the outlet, and the one-way valve II is arranged between the connecting part and the ball body.

Through adopting above-mentioned technical scheme, set up connecting portion and shutoff portion, when shutoff portion shutoff access & exit, through connecting portion butt in the inner wall that holds the chamber, thereby it is spacing to the shutoff piece, when meetting the billow, hold the victim accessible tight connecting portion of in the chamber, improve the stability of shutoff portion shutoff access & exit, reduced the shutoff portion and break away from the condition of access & exit under the pressure of billow, simultaneously through the butt spacing of connecting portion, reduced the shutoff piece and break away from the condition of access & exit when being held tightly, make the use of life-saving ball more convenient.

Preferably, the sliding block comprises a sliding part connected in the through hole in a sliding way and a limiting part arranged on the sliding part, a limiting groove is arranged on the inner wall of the through hole, the limiting part is connected in the limiting groove in a sliding way, and when the limiting part is positioned at the end part of the limiting groove, which is close to the first air cavity communicated with the air outlet channel, the air inlet channel and the air outlet channel are communicated with the connecting channel.

Through adopting above-mentioned technical scheme, set up portion of sliding, spacing portion and spacing groove, restriction portion of sliding's movable range, when the pressure rise in the air cavity one with the inlet channel intercommunication is faster, reduced the portion of sliding and slided the condition that breaks away from the through-hole, and reduced the portion of sliding and removed the condition that leads to inlet channel and connecting channel to stagger too soon for inlet channel, outlet channel and connecting channel intercommunication are more convenient, help improving the inflation efficiency.

Preferably, the sphere is divided into a plurality of areas, a plurality of branch pipes communicated with the inflating nozzles are further arranged in the sphere, the branch pipes are in one-to-one correspondence with the areas, the branch pipes are communicated with the air cavities I positioned in the corresponding areas, the air cavities I positioned in the same area are communicated in one way, and the air cavities I positioned in different areas are not communicated with each other.

Through adopting above-mentioned technical scheme, set up and be in charge of, improve the inflation efficiency to the quick inflation shaping of life-saving ball satisfies the needs of fleing fast.

Preferably, the inner wall of the accommodating cavity is provided with a storage groove, and the storage groove is positioned at one end of the accommodating cavity away from the inlet and outlet.

Through adopting above-mentioned technical scheme, can place must article in advance in the storing inslot as required, on the one hand provide the living needs for the victim when distress, on the other hand make the focus of life-saving ball concentrate in storing inslot department, produce the effect similar to tumbler, reduced under the impact of big unrestrained throwing, life-saving ball flip angle is too big to holding the discomfort that the victim in the intracavity caused, simultaneously, the access & exit remains up state all the time, the life-saving ball is locally sunk into the surface of water under the too big circumstances of weight has been reduced, and because the condition that access & exit highly is not enough leads to water to pour into access & exit.

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

1. through arranging the sliding block and the elastic piece I, when the air cavity I communicated with the air inlet channel is used for gradually introducing air, the sliding block moves to the air cavity I communicated with the air outlet channel, and the air inlet channel and the air outlet channel are communicated with the connecting channel, so that the air is inflated;

2. through setting up locating piece, elastic component two, stopper and connecting rope, when the air pressure in the air cavity one of slider both sides approaches equilibrium, the slider moves away from the air cavity one that communicates with the air outlet channel, until constant head tank and locating piece aim at, at this moment, the spheroid expands and tightens up connecting rope, pull the stopper break away from the locating piece, the locating piece is blocked into the constant head tank and is positioned the slider under the effect of elastic component two, realize when one of them air cavity one breaks, because unidirectional conduction effect and the location of slider of check valve one, separate other air cavities one from the air cavity one broken, reduce the influence that other air cavities one receives, further improve the reliability that life saving appliance used;

3. through setting up the pipe that is in charge, improve the inflation efficiency to the quick inflation shaping of life-saving ball satisfies the needs of fleing fast.

Drawings

FIG. 1 is an overall schematic of an embodiment of the present application;

FIG. 2 is a block diagram of an embodiment of the present application taken from the middle of a sphere, mainly showing the structure of a storage tank;

FIG. 3 is an enlarged view of the portion A of FIG. 2, mainly showing the structure of the sub-tube;

FIG. 4 is a cross-sectional view of an embodiment of the present application;

fig. 5 is an enlarged view of the portion B in fig. 4, mainly showing the structure of the first check valve.

Reference numerals illustrate: 1. a sphere; 11. an access opening; 12. a receiving chamber; 121. a storage tank; 13. a branch pipe; 14. a through hole; 141. a limit groove; 2. an air cavity I; 3. an air charging nozzle; 4. a first check valve; 41. a slide block; 411. a sliding part; 4111. an air intake passage; 4112. an air outlet channel; 412. a limit part; 42. an elastic piece I; 5. a connection channel; 6. a positioning block; 61. a positioning groove; 7. an elastic piece II; 8. a connecting rope; 81. a limiting block; 9. a block; 91. a connection part; 92. a blocking part; 10. an air cavity II; 15. a second check valve; 16. and a third elastic piece.

Detailed Description

The present application is described in further detail below in conjunction with figures 1-5.

The embodiment of the application discloses a life saving ball. Referring to fig. 1 and 2, the life saving ball comprises a ball body 1, wherein an inlet and outlet 11 and a containing cavity 12 are formed in the ball body 1, the inlet and outlet 11 is communicated with the containing cavity 12, a storage groove 121 is formed in the inner wall of the containing cavity 12, and the storage groove 121 is located at one end, far away from the inlet and outlet 11, of the containing cavity 12. In actual use, necessary items such as food and water may be prepared in advance in the storage tank 121 according to actual needs to provide survival requirements for victims when the life-saving ball is in distress.

Referring to fig. 1 and 2, a sphere 1 is divided into a plurality of areas, the plurality of areas are circumferentially distributed around the axis of the sphere 1, in this embodiment, the number of the areas is five, a plurality of air cavities 1, 2 are arranged in the sphere 1, and the plurality of air cavities 2 are arranged at intervals.

Referring to fig. 1 and 3, an air charging nozzle 3 is further fixed on the sphere 1, a plurality of branch pipes 13 are fixed in the sphere 1, the number and the positions of the branch pipes 13 are in one-to-one correspondence with those of the areas, each branch pipe 13 is fixed and communicated with the air charging nozzle 3, and the end part of each branch pipe 13, far away from the air charging nozzle 3, extends into one of the air cavities 2 in the corresponding area and is communicated with the air cavity 2, and the air charging nozzle 3 is communicated with the air cavity 2 through the branch pipe 13.

Referring to fig. 4 and 5, a plurality of through holes 14 are formed in the sphere 1, each through hole 14 is located between two adjacent air cavities one 2, and the through holes 14 are communicated with the two adjacent air cavities one 2, and it should be noted that the two adjacent air cavities one 2 refer to two adjacent air cavities one 2 located in the same area.

Referring to fig. 5, a limiting groove 141 is formed in the inner wall of each through hole 14, the limiting groove 141 is arranged around the inner peripheral wall of the through hole 14, a plurality of first check valves 4 are further arranged in the ball body 1, the number and positions of the first check valves 4 are in one-to-one correspondence with those of the through holes 14, the first check valves 4 comprise a sliding block 41 and an elastic piece 42, the sliding block 41 comprises a sliding part 411 and a limiting part 412, the sliding part 411 is connected in the through holes 14 in a sliding mode along the length direction of the through holes 14, the limiting part 412 is arranged around the periphery of the sliding part 411 and fixedly connected with the sliding part 411, and the limiting part 412 is connected in the limiting groove 141 in a sliding mode along the sliding direction of the sliding part 411.

Referring to fig. 5, the sliding portion 411 is provided with an air inlet channel 4111 and an air outlet channel 4112, the air inlet channel 4111 and the air outlet channel 4112 are respectively located at opposite ends of the sliding portion 411 along the sliding direction, two ends of the air inlet channel 4111 and the air outlet channel 4112, which are close to each other, penetrate through the same side of the sliding portion 411 parallel to the sliding direction, the air inlet channel 4111 and the air outlet channel 4112 are respectively in one-to-one correspondence and communication with two adjacent air cavities one 2, each air cavity one 2 is at most communicated with one air inlet channel 4111 and one air outlet channel 4112, and the branch pipe 13 is communicated with the air cavities one 2 communicated with only one air inlet channel 4111.

Referring to fig. 5, the first elastic member 42 is located in the limiting groove 141 and on one side of the limiting portion 412 near the air inlet channel 4111, the first elastic member 42 is disposed around the periphery of the sliding portion 411, opposite ends of the first elastic member 42 are fixedly connected with the inner wall of the limiting groove 141 and the limiting portion 412 respectively, and the first elastic member 42 tightens the limiting portion 412, so that the sliding portion 411 has a tendency to slide close to the first air chamber 2 communicating with the air inlet channel 4111. In this embodiment, the first elastic member 42 is a spring.

Referring to fig. 5, a connection channel 5 is formed on the inner wall of each through hole 14, opposite ends of the connection channel 5 are located on the same side of the through hole 14, a distance between two ends of the air inlet channel 4111 and the air outlet channel 4112, which are close to each other, is adapted to a distance between the opposite ends of the connection channel 5, when the sliding portion 411 moves to be close to the air cavity 2 communicated with the air outlet channel 4112, the connection channel 5 is located on a moving path of the sliding portion 411, to an end of the limiting portion 412, which is located on the limiting groove 141 and is close to the air cavity 2 communicated with the air outlet channel 4112, and the air inlet channel 4111 and the air outlet channel 4112 are respectively in one-to-one correspondence and are communicated with the opposite ends of the connection channel 5.

In practical use, when the air is inflated, the air is ventilated into the air charging nozzle 3, the air enters the air cavity I2 through the branch pipe 13, the air pressure in the air cavity I2 is increased, the sliding part 411 is pushed to move to be close to the air cavity I2 communicated with the air outlet channel 4112, the limiting part 412 is abutted against the inner wall of the limiting groove 141, which is close to the air cavity I2 communicated with the air outlet channel 4112, the air inlet channel 4111 and the air outlet channel 4112 are both communicated with the connecting channel 5, and at the moment, the air in the air cavity I2 communicated with the air inlet channel 4111 sequentially enters the air cavity I2 communicated with the air outlet channel 4112 through the air inlet channel 4111, the connecting channel 5 and the air outlet channel 4112, and the air cavities I2 positioned behind the air flowing paths are identical to realize inflation.

To the saturation of the gas in the first air chamber 2 communicated with the air outlet channel 4112, at this time, the air pressures in the first air chambers 2 at the two sides of the sliding part 411 are approximately balanced, the sliding part 411 moves away from the first air chamber 2 communicated with the air outlet channel 4112 under the action of the first elastic member 42, so that the air inlet channel 4111 and the air outlet channel 4112 are staggered with the connecting channel 5, the gas in the first air chamber 2 communicated with the air outlet channel 4112 cannot reversely enter the first air chamber 2 communicated with the air inlet channel 4111, the one-way conduction from the first air chamber 2 close to the air charging nozzle 3 to the first air chamber 2 far away from the air charging nozzle 3 is realized, the plurality of first air chambers 2 in the same area are in one-way conduction, and the first air chambers 2 in different areas are not in communication with each other, and it is pointed out that the first air chamber 2 in the corresponding area communicated with the branch pipe 13 is the first air chamber 2 in the one-way on the one-way conduction path.

Referring to fig. 5, a plurality of positioning blocks 6 are slidably connected in the ball 1, the number and positions of the positioning blocks 6 are in one-to-one correspondence with the number and positions of the through holes 14, the positioning blocks 6 are located on one side of the through holes 14 parallel to the sliding direction of the corresponding sliding parts 411, the positioning blocks 6 slide to stretch into or separate from the through holes 14, the sliding direction of the positioning blocks 6 is perpendicular to the sliding direction of the corresponding sliding parts 411, a plurality of elastic pieces two 7 are fixed in the ball 1, the number and positions of the elastic pieces two 7 are in one-to-one correspondence with the number and positions of the positioning blocks 6, the elastic pieces two 7 are located on one side of the corresponding positioning blocks 6 far away from the through holes 14 and are fixedly connected with the corresponding positioning blocks 6, and the elastic pieces two 7 abut against the corresponding positioning blocks 6, so that the corresponding positioning blocks 6 have a trend of sliding to stretch into the through holes 14. In this embodiment, the second elastic member 7 is a spring.

Referring to fig. 5, a positioning groove 61 is formed on an outer sidewall of each sliding portion 411, when the first elastic member 42 is not stressed, the positioning groove 61 is aligned with the corresponding positioning block 6, and the positioning groove 61 is used for sliding and clamping the corresponding positioning block 6.

Referring to fig. 5, a plurality of connecting ropes 8 are further embedded in the ball 1, the number and positions of the connecting ropes 8 are in one-to-one correspondence with those of the positioning blocks 6, each connecting rope 8 is fixedly provided with a limiting block 81, each limiting block 81 is located on one side of the corresponding positioning block 6 parallel to the sliding direction and penetrates through the positioning block 6, and when the ball 1 is not inflated, the limiting block 81 is abutted to the positioning block 6, so that the positioning block 6 is separated from the positioning groove 61.

Referring to fig. 5, a plurality of elastic members three 16 are further fixed in the ball 1, the number and positions of the elastic members three 16 are in one-to-one correspondence with the number and positions of the limiting blocks 81, each elastic member three 16 is located at one side of the corresponding limiting block 81 away from the positioning block 6, and opposite ends of each elastic member three 16 respectively abut against the ball 1 and the corresponding limiting block 81, so that the corresponding limiting block 81 has a trend of approaching the positioning block 6. In this embodiment, the third elastic member 16 is a spring.

When the air pressure in the air cavities I2 at the two sides of the sliding part 411 approaches balance, the sliding part 411 moves away from the air cavity I2 communicated with the air outlet channel 4112 under the action of the elastic member I42 until the positioning groove 61 and the positioning block 6 are aligned, at this time, the ball 1 expands to tighten the connecting rope 8, the connecting rope 8 pulls the limiting block 81 to separate from the positioning block 6, the positioning block 6 slides into the through hole 14 under the action of the elastic member II 7 and is clamped into the positioning groove 61 to position the sliding block 41, so that when one of the air cavities I2 is broken, the other air cavities I2 are separated from the broken air cavity I2 due to the unidirectional conduction action of the one-way valve I4 and the positioning of the sliding block 41, and the influence of the other air cavities I2 is reduced, namely the condition that the other air cavities I2 are affected by wave and gas leakage or breakage is reduced.

Referring to fig. 4, a plugging block 9 is fixedly connected to the ball 1, the plugging block 9 includes a connecting portion 91 and a plugging portion 92, one side of the connecting portion 91 is fixedly connected to the ball 1, the connecting portion 91 is located in the accommodating cavity 12, the plugging portion 92 is located on one side of the connecting portion 91 close to the inlet 11 and integrally arranged with the connecting portion 91, and the plugging portion 92 is used for plugging the inlet 11.

Referring to fig. 4 and 5, an air cavity two 10 is formed in the plugging block 9, the connecting portion 91 and the plugging portion 92 are formed by inflation and expansion of the air cavity two 10, a check valve two 15 is arranged in the ball body 1, the check valve two 15 is located between the air cavity two 10 and one of the air cavities one 2, the structure of the check valve two 15 is identical to that of the check valve one 4, the operation mechanism of the check valve two 15 is identical to that of the check valve one 4, and the check valve two 15 supplies air to the air cavity two 10 in a one-way conduction mode.

The implementation principle of the ambulance ball in the embodiment of the application is as follows:

when a disaster occurs, the inflatable nozzle 3 can be used for inflating the first air cavity 2 to enable the ball body 1 and the blocking block 9 to be inflated and formed, in the inflation process, a person with difficulty enters the accommodating cavity 12 until the ball body 1 is inflated, the overturning connecting part 91 clamps the blocking part 92 into the inlet and outlet 11 to block the inlet and outlet 11, under the impact and throwing of rough waves, the ball body 1 is used for impacting the barrier to buffer, so that the direct contact between a human body and the barrier is avoided, the harm to the human body is reduced, the use safety of the life-saving appliance is improved, in the use process, if the first air cavity 2 is broken, the first air cavity 2 of the rest part can continue to play a role to realize the rescue effect due to the arrangement of the one-way valve 4, and the use reliability of the life-saving appliance is improved.

After the ball body 1 is used, the positioning block 6 can be moved away from the sliding block 41, so that the positioning block 6 is separated from the positioning groove 61, then the limiting block 81 is penetrated through the positioning block 6 again to limit the positioning block 6, then the sliding block 41 is moved towards the direction close to the air cavity I2 communicated with the air outlet channel 4112, so that the air inlet channel 4111, the air outlet channel 4112 and the connecting channel 5 are communicated, air release can be realized, the ball body 1 can be stored for the next use by repeating the operation, the reutilization of the life-saving ball is realized, the material waste is reduced, and the current energy-saving and environment-friendly development trend is met.

The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims

1. A life saving ball comprising a ball body (1), characterized in that: an inlet and outlet (11) and a containing cavity (12) are formed in the ball body (1), the inlet and outlet (11) is communicated with the containing cavity (12), a plurality of first air cavities (2) and through holes (14) are formed in the ball body (1), the through holes (14) are located between two adjacent first air cavities (2) and are communicated with the first air cavities (2), an inflating nozzle (3) is further arranged on the ball body (1), and the inflating nozzle (3) is communicated with the first air cavities (2);

be equipped with check valve one (4) between two adjacent air cavity one (2), check valve one (4) including slide connect in slider (41) in through-hole (14) and locate elastic component one (42) on spheroid (1), be equipped with inlet channel (4111) and air outlet channel (4112) on slider (41), inlet channel (4111) with air outlet channel (4112) respectively with two air cavity one (2) one-to-one and communicate, connecting channel (5) have been seted up on the inside wall of through-hole (14), when slider (41) remove be close to with air cavity one (2) of air outlet channel (4112) intercommunication, connecting channel (5) are located on the travel path of slider (41), elastic component one (42) taut slider (41) for slider (41) have be close to with the trend of the one (2) of air cavity intercommunication of air inlet channel (4111).

2. A ambulance ball according to claim 1, wherein: the utility model discloses a ball, including spheroid (1), locating piece (6) are connected with in sliding, locating slot (61) have been seted up on slider (41), and when elastic component (42) are not atress, locating slot (61) with locating piece (6) aim at, just locating slot (61) supply locating piece (6) slide card income, still be equipped with elastic component two (7) in spheroid (1), elastic component two (7) support tightly in locating piece (6) for locating piece (6) have the card income trend of locating slot (61), spheroid (1) are embedded to be equipped with connecting rope (8), be equipped with stopper (81) on connecting rope (8), stopper (81) wear to locate locating piece (6), just locating piece (6) break away from locating slot (61).

3. A ambulance ball according to claim 2, wherein: the ball body (1) is internally provided with an elastic piece III (16), and the elastic piece III (16) is positioned on one side, far away from the positioning block (6), of the limiting block (81) and abuts against the limiting block (81).

4. A ambulance ball according to claim 1, wherein: and the ball body (1) is also provided with a blocking block (9), and the blocking block (9) is used for blocking the access opening (11).

5. The ambulance ball according to claim 4, wherein: an air cavity II (10) is arranged in the plugging block (9), one side of the plugging block (9) is connected with the ball body (1), a one-way valve II (15) is arranged between the air cavity II (10) and one of the air cavities I (2), the one-way valve II (15) is used for conducting the air cavity I (2) to the air cavity II (10) in a one-way mode, and the structure of the one-way valve II (15) is identical with that of the one-way valve I (4).

6. The ambulance ball according to claim 5, wherein: the plugging block (9) comprises a connecting portion (91) arranged on the ball body (1) and a plugging portion (92) arranged on the connecting portion (91), the plugging portion (92) is used for plugging the inlet and outlet (11), and the second check valve (15) is arranged between the connecting portion (91) and the ball body (1).

7. A ambulance ball according to claim 1, wherein: the sliding block (41) comprises a sliding part (411) which is connected in the through hole (14) in a sliding mode and a limiting part (412) which is arranged on the sliding part (411), a limiting groove (141) is formed in the inner wall of the through hole (14), the limiting part (412) is connected in the limiting groove (141) in a sliding mode, and when the limiting part (412) is located at the end portion, close to an air cavity I (2) communicated with the air outlet channel (4112), of the limiting groove (141), and the air inlet channel (4111) and the air outlet channel (4112) are communicated with the connecting channel (5).

8. A ambulance ball according to claim 1, wherein: the ball body (1) is divided into a plurality of areas, a plurality of branch pipes (13) communicated with the inflating nozzles (3) are further arranged in the ball body (1), the branch pipes (13) are in one-to-one correspondence with the areas, the branch pipes (13) are communicated with the air cavities I (2) which are located in the corresponding areas, the air cavities I (2) which are located in the same area are communicated in one direction, and the air cavities I (2) which are located in different areas are not communicated with each other.

9. A ambulance ball according to claim 1, wherein: the inner wall of the accommodating cavity (12) is provided with a storage groove (121), and the storage groove (121) is positioned at one end of the accommodating cavity (12) away from the inlet and outlet (11).