CN210698758U

CN210698758U - Fun-breaking ball amusement equipment

Info

Publication number: CN210698758U
Application number: CN201920932326.6U
Authority: CN
Inventors: 刘松钦; 刘松华
Original assignee: Zhongshan Yangguang Amusement Technology Co ltd
Current assignee: Zhongshan Yangguang Amusement Technology Co ltd
Priority date: 2019-06-20
Filing date: 2019-06-20
Publication date: 2020-06-09
Anticipated expiration: 2029-06-20
Also published as: CN212700511U; CN212700512U

Abstract

The utility model provides an open-heart ball-explosion amusement equipment, which comprises an amusement equipment body, and also comprises an inflating device, a detection device and a driving device which are arranged in the amusement equipment body, the utility model provides the inflating device to supply air to the balloon on the inflating nozzle sleeve at the lowest point of the annular inflating frame, the detection device detects when the air supply reaches the preset time, if the inflating nozzle sleeve is provided with an intact balloon, the detection device finishes the detection and can be used for the player to play, if the balloon arranged on the inflating nozzle sleeve is exploded or damaged, the detection device can not detect the balloon in the detection stroke, at the moment, the driving device drives the annular inflating frame to rotate the adjacent inflating nozzle and the balloon on the sleeve to the lowest point, then the detection steps are repeated, so as to ensure that the balloon can correspond to each other in the playing process, the function of the ball-explosion amusement equipment is optimized, the switching of the balloons is automatically, and whether the balloon is intact or not can be detected.

Description

Fun-breaking ball amusement equipment

[ technical field ] A method for producing a semiconductor device

The utility model belongs to the technical field of mechanical equipment and specifically relates to an automatic switch balloon explode ball recreational apparatus.

[ background of the invention ]

Most balloon recreational machines need the player to operate on virtual panel at present usually, can exchange the gift with the corresponding score of obtaining after the balloon in the organism explodes, and most ball recreational machines on the market function is more single at present, and the balloon recreational machine explodes the ball and needs manual operation to switch over new balloon for making the organism can continue to supply the player to use, leads to player experience nature poor, and the operation is also loaded down with trivial details.

In summary, designing a fun and exploded ball amusement apparatus capable of automatically switching balloons is a problem to be solved by those skilled in the art.

[ Utility model ] content

To not having detection device of explosion ball amusement equipment among the prior art and detecting whether the minimum has balloon or balloon whether gas leakage, damage, the problem of new balloon of also unable automatic switch-over, the utility model provides an automatic switch-over balloon's happy ball amusement equipment that explodes of opening one's mind.

In order to achieve the purpose, the amusement equipment with the fun-open and explosive balls comprises an amusement equipment body, an air charging device, a detection device and a driving device, wherein the air charging device, the detection device and the driving device are arranged in the amusement equipment body;

the inflation device comprises an inflation pump and an annular inflation frame capable of rotating in the circumferential direction, a plurality of inflation nozzles for sleeving balloons are circumferentially arranged at intervals at the outer end of the annular inflation frame, and the inflation pump can be selectively communicated with any one of the inflation nozzles rotating to the lowest point in the circumferential direction;

the detection device is arranged on the amusement equipment body and used for detecting whether a balloon is arranged on the inflating nozzle which is communicated with the inflating pump and rotates to the lowest point or not, or whether the balloon leaks air or is damaged;

and the driving device is arranged on the amusement equipment body and used for driving the annular inflation frame to rotate circumferentially when the detection device detects that no balloon exists, the balloon leaks air or is damaged, so that the next adjacent inflation nozzle rotates to the lowest point.

Furthermore, the detection device is an ultrasonic ranging detection device or an infrared probe detection device.

Further, the driving device comprises a driver which is connected with the annular inflation frame and can drive the annular inflation frame to rotate circumferentially.

Furthermore, the driver comprises a power mechanism and a driving part driven by the power mechanism, and the annular inflating frame is also provided with a plurality of first clamping teeth which are driven by the driving part to rotate circumferentially.

Furthermore, the driver further comprises a connecting piece, one end of the connecting piece is connected with the driving shaft on the power mechanism, the other end of the connecting piece is connected with the driving piece, the driving piece is eccentrically connected with the driving shaft, so that the driving piece reciprocates around the driving shaft to push the first clamping teeth, and a first clamping position for the driving piece to clamp and stop circumferential rotation is further arranged between every two adjacent first clamping teeth.

Furthermore, the driver further comprises a blocking piece and an induction sensor, the blocking piece is fixedly connected to the driving shaft to rotate circumferentially, and the blocking piece rotates to the position of the induction sensor to enable the power mechanism to stop driving.

Furthermore, the annular inflating frame is further connected with a driving disc, the first clamping position and the first clamping tooth are arranged on the driving disc, and the driving disc is driven by the driver to rotate.

Furthermore, the inflator pump is connected with an electromagnetic valve, the electromagnetic valve is connected with a continuous air nozzle piece, and the electromagnetic valve can drive the continuous air nozzle piece to move up and down so as to connect the continuous air nozzle piece into the inflator nozzle or separate the continuous air nozzle piece from the inflator nozzle.

Further, drive arrangement is still including locating centering mechanism on the annular frame of inflating, centering mechanism is used for the minimum the charging connector with the accurate intercommunication of intercommunication air cock spare.

Furthermore, centering mechanism includes first connecting piece and second connecting piece, be equipped with first spring coupling spare, first through-hole and second through-hole on the first connecting piece, be equipped with on the second connecting piece and pass the second spring coupling spare of first through-hole and the slider that passes the second through-hole, first spring coupling spare with be equipped with the spring between the second spring coupling spare, the frame is aerifyd to the annular is interior week and is equipped with a plurality of second latch, adjacent two just relative between the second latch the charging connector is equipped with the second screens.

Further, the amusement equipment body further comprises a cutting device, the cutting device comprises a transmission rod arranged on the amusement equipment body and a cutting head arranged at the tail end of the transmission rod, and the transmission rod drives the cutting head to move on a movement stroke so that the cutting head is close to or far away from the balloon at the lowest point;

further, the amusement equipment body also comprises a control device and a cutting device, wherein the control device is used for controlling the inflation time of the inflation device to the balloon at the lowest point or controlling the movement of a transmission rod of the cutting device.

Further, the control device comprises a game turntable connected with the annular inflatable frame.

The utility model has the advantages that:

1. the utility model provides the air charging device to supply air to the balloon on the air charging nozzle sleeve at the lowest point of the annular air charging frame, the detection device detects the air charging when the air charging reaches the preset time, if the inflating nozzle is sleeved with a perfect balloon, the detection device finishes the detection and can be used for the player to play games, if the balloon sleeved by the inflating nozzle is exploded or damaged, the balloon cannot be detected in the detection stroke of the detection device, at the moment, the driving device drives the annular inflating frame to rotate an adjacent inflating nozzle and the balloon on the sleeve to the lowest point, and then the detection steps are repeated, the balloon-explosion amusement equipment has the advantages that the balloon can be guaranteed to correspond to one balloon in the game process, functions of the ball-explosion amusement equipment are optimized, switching of the balloon is controlled automatically, manual switching is not needed, experience of players is enriched, complexity in operation is reduced, and whether the balloon is intact can be detected.

[ description of the drawings ]

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings used in the description of the embodiments will be briefly introduced below.

FIG. 1 is a first schematic structural view of an amusement device for a happy ball of the present invention;

FIG. 2 is a schematic structural view of a second amusement device for the fun ball of the present invention;

FIG. 3 is a third schematic structural view of the amusement device with the fun ball of the present invention;

FIG. 4 is a fourth structural diagram of the amusement device for the fun ball of the present invention;

FIG. 5 is a schematic structural view of an amusement device with a burst ball for fun;

FIG. 6 is an exploded view of the centering mechanism of the amusement device with the burst ball of the present invention;

FIG. 7 is an enlarged view at A of FIG. 2;

FIG. 8 is an enlarged view at B of FIG. 3;

fig. 9 is an enlarged view at C of fig. 4.

[ detailed description ] embodiments

In order to make the technical problem, technical solution and advantageous effects solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to further explain the present invention in detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

When embodiments of the present invention refer to the ordinal numbers "first", "second", etc., it should be understood that the terms are used for distinguishing only when they do express the ordinal order in context.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1 to 9, the utility model relates to a fun ball amusement equipment, which comprises an amusement equipment body 1, and is characterized in that: comprises an air charging device 2, a detection device 4 and a driving device 5 which are arranged in an amusement equipment body 1; the inflation device 2 comprises an inflation pump 201 and an annular inflation frame 202 capable of rotating in the circumferential direction, a plurality of inflation nozzles 203 for sleeving balloons are circumferentially arranged at intervals at the outer end of the annular inflation frame 202, and the inflation pump 201 can be selectively communicated with any one of the inflation nozzles 203 which rotate in the circumferential direction to the lowest point; the detection device 4 is arranged on the amusement equipment body 1 and used for detecting whether a balloon is arranged on the inflating nozzle 203 which is communicated with the inflating pump 201 and rotates to the lowest point or not, or whether the balloon leaks air or is damaged; drive arrangement 5 locates on the amusement equipment body 1, be used for detection device 4 detects when no balloon, balloon gas leakage or damage, the drive annular frame 202 circumferential direction is inflated, makes adjacent next the charging connector 203 rotates the minimum, the utility model discloses be the selected balloon with the balloon of annular frame 202 minimum, the player need cut open or utilize aerating device 2 to inflate until cracked balloon promptly, aerating device 2 and selected balloon intercommunication this moment.

The utility model provides the air charging device to supply air to the balloon on the air charging nozzle sleeve at the lowest point of the annular air charging frame, the detection device detects the air charging when the air charging reaches the preset time, if the inflating nozzle is sleeved with a perfect balloon, the detection device finishes the detection and can be used for the player to play games, if the balloon sleeved by the inflating nozzle is exploded or damaged, the balloon cannot be detected in the detection stroke of the detection device, at the moment, the driving device drives the annular inflating frame to rotate an adjacent inflating nozzle and the balloon on the sleeve to the lowest point, and then the detection steps are repeated, the balloon-explosion amusement equipment has the advantages that the balloon can be guaranteed to correspond to one balloon in the game process, functions of the ball-explosion amusement equipment are optimized, switching of the balloon is controlled automatically, manual switching is not needed, experience of players is enriched, complexity in operation is reduced, and whether the balloon is intact can be detected.

Preferably, the detection device 4 is an ultrasonic ranging detection device or an infrared probe detection device, in this embodiment, the detection device 4 is an ultrasonic detection device, the detection device 4 sends an ultrasonic pulse to the selected balloon position, if the balloon is not ruptured, the ultrasonic wave is reflected, the ultrasonic detection device receives a pulse signal to determine that the balloon is not ruptured, and if the balloon is ruptured, the ultrasonic detection device fails to receive the pulse signal to determine that the balloon is ruptured, so that the detection is accurate.

In the first embodiment, the driving device 5 includes a driver 501 connected to the annular inflation frame 202 and capable of driving the annular inflation frame 202 to rotate circumferentially, and the driver 501 can be used to directly drive the annular inflation frame 202 to rotate circumferentially.

In the second embodiment, the driving device 5 includes a driver 501 connected to the annular inflation frame 202 and capable of driving the annular inflation frame 202 to rotate circumferentially, the driver 501 includes a power mechanism 502 and a driving member 504 driven by the power mechanism 502, the annular inflation frame 202 is further provided with a plurality of first latches 506 which are pushed by the driving member 504 to rotate circumferentially, the power mechanism 502 comprises a driving motor and a speed reducer, the extended drive shaft of the power mechanism 502 is coupled to an upper drive member 504, which drive member 504 may be a drive gear that engages a first latch 506, so that the power mechanism 502 utilizes the driving gear to drive the first latch 506 to make the annular inflation frame 202 perform circumferential rotation to switch the balloon at the lowest point, the thickness of the annular inflation frame 202 should be larger than that of the balloon, and the first latch 506 is disposed at one side of the annular inflation frame 202 to prevent the balloon from touching the power mechanism 502 to affect rotation when the annular inflation frame 202 rotates.

In a third embodiment, the driving device 5 includes a driver 501 connected to the annular inflation frame 202 and capable of driving the annular inflation frame 202 to rotate circumferentially, the driver 501 includes a power mechanism 502 and a driving member 504 driven by the power mechanism 502, the annular inflation frame 202 further includes a plurality of first latches 506 pushed by the driving member 504 to rotate circumferentially, the driver 501 further includes a connecting member 503 having one end connected to a driving shaft 5021 of the power mechanism 502 and the other end connected to the driving member 504, the driving member 504 is eccentrically connected to the driving shaft 5021 so that the driving member 504 reciprocates around the driving shaft 5021 to push the first latches 506, a first latch 507 for the driving member 504 to latch and stop rotating circumferentially is further disposed between two adjacent first latches 506, as shown in fig. 7, specifically, the power mechanism 502 includes a driving motor and a speed reducer, the power mechanism 502 extends out of the driving shaft 5021, the driving shaft 5021 of the power mechanism 502 is fixedly connected with one end of the connecting member 503, the other end of the connecting member 503 is fixedly connected to the driving member 504 and is eccentrically connected with the driving shaft 5021 of the power mechanism 502, so that the driving member 504 performs a circular motion around the driving shaft, when the power mechanism 502 works, the driving member 504 can perform a reciprocating motion, preferably, the end of the driving member 504 is in a triangle shape, when the power mechanism 502 does not work, the end of the driving member 504 is clamped between the first latch 5061 and the second latch 5062, when the power mechanism 502 rotates clockwise, the end of the driving member 504 pushes the first latch 5061 to rotate the annular inflation frame 202 clockwise, because the driving member 504 performs a reciprocating motion, the driving member 504 pushes the first latch 5061 and leaves the annular inflation frame 202, after the second latch 5062 rotates one station, the driving member 504 performs a reciprocating motion once to return to the original point at the same time and is clamped between the second latch 5062 and the second latch, and thus can be reciprocated by the drive member 504 to switch a balloon from an adjacent station to a selected balloon.

Preferably, the driver 501 further includes a blocking piece 508 and an inductive sensor 509, the blocking piece 508 is fixedly connected to the driving shaft 5021 to rotate circularly, the blocking piece 508 rotates to the position of the inductive sensor 509 to stop driving the power mechanism 502, and after the driving member 504 completes one reciprocating motion, the blocking piece 508 also reaches the position of the inductive sensor 509 along with the completion of one circular motion of the driving shaft 5021 to stop the power mechanism 502.

Preferably, the annular inflation frame 202 is further connected with a driving disc 505, the first locking portion 507 and the first locking tooth 506 are disposed on the driving disc 505, the driving disc 505 is driven by the power mechanism 502 to rotate, as shown in fig. 7, the outer end of the driving member 504 is in an oblique triangle shape and can be matched with the first locking tooth 506, when the driving member 504 reciprocates, the driving member 504 pushes the first locking tooth 506 to enable the driving disc 505 to rotate to drive the annular inflation frame 202 to rotate, and the driving member 504 completes one reciprocating motion to be locked on the first locking portion 507, so that a selected balloon on the annular inflation frame 202 is switched to a balloon at an adjacent station to become a new selected balloon, thereby achieving automatic switching, and indirectly driving the annular inflation frame 202 to rotate by using the driving disc 505 to prevent the balloon from affecting rotation.

Preferably, the inflator 201 is connected with an electromagnetic valve 8, the electromagnetic valve 8 is connected with a continuous air inflation nozzle piece 9, the electromagnetic valve 8 can drive the continuous air inflation nozzle piece 9 to move up and down to connect the continuous air inflation nozzle piece 9 into the inflation nozzle 203 or separate the continuous air inflation nozzle piece 9 from the inflation nozzle 203, as shown in fig. 9, after a selected balloon is selected by the annular air inflation frame 202 in this embodiment, the electromagnetic valve 8 drives the continuous air inflation nozzle piece 9 to descend to connect the inflator 201 with the inflation nozzle 203 for the selected balloon to be inflated through a game, and when the electromagnetic valve 8 drives the continuous air inflation nozzle piece 9 to ascend, the continuous air inflation nozzle piece 9 is separated from the inflation nozzle 203 to rotate the annular air inflation frame 202.

Preferably, the driving device 5 further includes a centering mechanism 6 disposed on the annular inflation frame 202, the centering mechanism 6 is configured to accurately communicate the inflation nozzle 203 at the lowest point with the continuous inflation nozzle 9, an outer end of the first latch 506 is an inclined surface, preferably, the centering mechanism 6 includes a first connecting member 601 and a second connecting member 602, the first connecting member 601 is provided with a first spring connecting member 603, a first through hole 604 and a second through hole 605, the second connecting member 602 is provided with a second spring connecting member 606 passing through the first through hole 604 and a sliding member 607 passing through the second through hole 605, a spring 610 is disposed between the first spring connecting member 603 and the second spring connecting member 606, the inner periphery of the annular inflation frame 202 is provided with a plurality of second latches 608, a second latch 609 is disposed between two adjacent second latches 608 and is disposed opposite to the inflation nozzle 203, the sliding member 607 is a pulley, as shown in fig. 6 and 8, when the driving member 504 completes one reciprocating motion, if the air nozzle member 9 is not aligned with the air nozzle 203, and the sliding member 607 of the centering mechanism 6 falls on the second latch 608, the second connecting member 602 moves upward correspondingly, and the second spring connecting member 606 of the second connecting member 602 and the first spring connecting member 603 of the first connecting member 601 are connected with the spring 610, so that the spring 610 is deformed, the spring 610 is deformed again to force the sliding member 607 to slide so as to slightly rotate the annular air filling frame 202 until the sliding member 607 slides to the second latch 609, the driving member 504 of the annular air filling frame 202 falling on the first latch 506 during the slightly rotating centering process can also fall on the adjacent first latch 507 along the tangent plane due to the inclined outer end of the first latch 506, and finally each second latch 609 corresponds to the air nozzle 203 at the periphery of the annular air filling frame 202 so as to accurately align the air nozzle member 9 with the air nozzle 203, so that air leakage does not occur in the inflation process.

Preferably, the amusement equipment body 1 further comprises a cutting device 3, the cutting device 3 comprises a transmission rod 301 arranged on the amusement equipment body 1 and a cutting head 302 arranged at the tail end of the transmission rod 301, the transmission rod 301 drives the cutting head 302 to move on a movement stroke, so that the cutting head 302 is close to or away from the selected balloon, the cutting head 302 of the cutting device can be a needle head, a blade or the like, in the embodiment, the cutting head 302 can be a circular saw-tooth wheel, the cutting device 3 is arranged at the bottom in the amusement equipment body 1, and the cutting head 302 faces upwards.

Preferably, the amusement device body 1 further comprises a control device 7 for controlling the inflation time of the inflation device 2 to the selected balloon or controlling the movement of the transmission rod of the cutting device, preferably, the control device 7 comprises a game turntable 701 connected with the annular inflation frame 202, the game turntable 701 is provided with a plurality of scoring options, such as inflation 1, inflation 2 and cutting and rising for the player to accelerate the rupture of the balloon, the device defines the options of inflation 1 and inflation 2 respectively by controlling the difference of the inflation time, and when the player obtains a preset score through the game, the control device can control the inflation pump to inflate the balloon until the balloon bursts or control the cutting head to approach and burst the balloon. The game component can also put prizes for players after the balloon bursts, so that real interactivity is brought to the players, certain stimulation is achieved, game cost is greatly saved by using the balloon as a prop, and higher profits of equipment are guaranteed while player experience is enriched.

Preferably, the amusement equipment body 1 further includes an operation panel 10 provided on the front side and a display panel 11 provided on the upper side, so that the overall appearance is enhanced.

The working principle is as follows: firstly, the electromagnetic valve works to drive the communicating air nozzle downwards, the communicating air nozzle is communicated with the inflating nozzle, the inflating pump is communicated with the inflating nozzle at the lowest point to inflate the balloon, the inflation is stopped after the predetermined time, the detection device detects, if the selected balloon at the lowest point of the annular inflating frame is broken or leaked, the power mechanism drives the driving piece to do reciprocating motion once, the driving piece drives the first latch on the driving disc to rotate a station, the balloon at the adjacent station of the balloon at the lowest point is rotated to the lowest point, the power mechanism stops working, the detection device detects again at this time, if the balloon is detected to define a new balloon as the selected balloon, the player can start playing games, and if no balloon is detected, the power mechanism does reciprocating motion once again until the balloon which is not broken is detected.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the technical scope of the present invention, so that any slight modifications, equivalent changes and modifications made by the technical spirit of the present invention to the above embodiments are all within the scope of the technical solution of the present invention.

Claims

1. The utility model provides an open heart and explode ball amusement equipment, includes amusement equipment body (1), its characterized in that: comprises an air charging device (2), a detection device (4) and a driving device (5) which are arranged in an amusement equipment body (1);

the inflation device (2) comprises an inflation pump (201) and an annular inflation frame (202) capable of rotating in the circumferential direction, a plurality of inflation nozzles (203) used for sleeving balloons are circumferentially arranged at intervals at the outer end of the annular inflation frame (202), and the inflation pump (201) can be selectively communicated with any one of the inflation nozzles (203) which rotate in the circumferential direction to the lowest point;

the detection device (4) is arranged on the amusement equipment body (1) and is used for detecting whether a balloon is arranged on the inflating nozzle (203) which is communicated with the inflating pump (201) and rotates to the lowest point or not, or whether the balloon leaks air or is damaged;

the driving device (5) is arranged on the amusement equipment body (1) and used for driving the annular inflating frame (202) to rotate in the circumferential direction when the detection device (4) detects that no balloon exists, the balloon leaks or is damaged, so that the next adjacent inflating nozzle (203) rotates to the lowest point.

2. The amusement device for the pistonic exploded ball according to claim 1, wherein: the detection device (4) is an ultrasonic ranging detection device or an infrared probe detection device.

3. The amusement device for the pistonic exploded ball according to claim 1, wherein: the driving device (5) comprises a driver (501) which is connected with the annular inflating frame (202) and can drive the annular inflating frame (202) to rotate in the circumferential direction.

4. A pistonic ball amusement device according to claim 3, wherein: the driver (501) comprises a power mechanism (502) and a driving piece (504) driven by the power mechanism (502), and the annular inflating frame (202) is further provided with a plurality of first clamping teeth (506) which are driven by the driving piece (504) to rotate in the circumferential direction.

5. The amusement device for the pistonic exploded ball according to claim 4, wherein: the driver (501) further comprises a connecting piece (503) with one end connected with a driving shaft (5021) on the power mechanism (502) and the other end connected with the driving piece (504), the driving piece (504) is eccentrically connected with the driving shaft (5021) to enable the driving piece (504) to reciprocate around the driving shaft (5021) to push the first latch (506), and a first clamping position (507) for the driving piece (504) to clamp and stop circumferential rotation is further arranged between every two adjacent first latches (506).

6. The amusement device for the pistonic exploded ball according to claim 5, wherein: the driver (501) further comprises a blocking piece (508) and an inductive sensor (509), the blocking piece (508) is fixedly connected to the driving shaft (5021) to rotate circumferentially, and the blocking piece (508) rotates to the position of the inductive sensor (509) to enable the power mechanism (502) to stop driving.

7. The amusement device for the pistonic exploded ball according to claim 5, wherein: the annular inflating frame (202) is further connected with a driving disc (505), the first clamping position (507) and the first clamping tooth (506) are arranged on the driving disc (505), and the driving disc (505) is driven by the driver (501) to rotate.

8. The amusement device for the pistonic exploded ball according to claim 1, wherein: still be connected with solenoid valve (8) on the air route that inflator pump (201) and charging connector (203) communicate, solenoid valve (8) are connected with even breather nozzle spare (9), solenoid valve (8) can drive even breather nozzle spare (9) up-and-down motion and with even breather nozzle spare (9) insert charging connector (203) or break away from charging connector (203).

9. The amusement device for the pistonic exploded ball according to claim 8, wherein: the driving device (5) further comprises a centering mechanism (6) arranged on the annular inflating frame (202), and the centering mechanism (6) is used for accurately communicating the lowest point inflating nozzle (203) with the continuous inflating nozzle piece (9).

10. The amusement device for the pistonic exploded ball according to claim 9, wherein: centering mechanism (6) include first connecting piece (601) and second connecting piece (602), be equipped with first spring coupling spare (603), first through-hole (604) and second through-hole (605) on first connecting piece (601), be equipped with on second connecting piece (602) and pass second spring coupling spare (606) of first through-hole (604) and pass slider (607) of second through-hole (605), first spring coupling spare (603) with be equipped with spring (610) between second spring coupling spare (606), annular frame (202) of inflating is interior week to be equipped with a plurality of second latch (608), adjacent two between second latch (608) and relative inflation nozzle (203) is equipped with second screens (609).