WO2022000763A1

WO2022000763A1 - Double-chamber paddle board for surfing

Info

Publication number: WO2022000763A1
Application number: PCT/CN2020/113074
Authority: WO
Inventors: 赵浩; 白浩
Original assignee: 上海吉龙运动休闲用品有限公司
Priority date: 2020-06-28
Filing date: 2020-09-02
Publication date: 2022-01-06
Also published as: CN111717340A

Abstract

A double-chamber paddle board for surfing comprises a main body (5), a first air chamber (1), a second air chamber (2), and an air valve (4). The air valve (4) comprises a conversion element (41), a first fluid channel, and a second fluid channel (43). The first fluid channel is in communication with the first air chamber (1), and the second fluid channel (43) is in communication with the second air chamber (2). The conversion element (41) allows a fluid to flow to the first air chamber (1) via the first fluid channel and/or flow to the second air chamber (2) via the second fluid channel (43). The improved configuration of the air valve (4) on the double-chamber paddle board for surfing avoids the risk of explosion during inflation of the paddle board, and improves the safety and efficiency of inflation and deflation.

Description

A double air chamber surfboard

technical field

The invention relates to the technical field of sports equipment, in particular to a double-air chamber surfboard.

Background technique

Surfing is an important recreational activity that people love. The double-chamber surfboard has an extra air chamber, which is safer than ordinary surfboards and is widely loved by users.

At present, the existing double-air chamber SUP surfboard air chambers are all equipped with one air chamber and one air valve, and the user needs to connect the corresponding air valve with different air plugs to inflate when using.

Existing dual-chamber surfboards are cumbersome and time-consuming to operate during inflation, and carry the risk of bursting. The present invention relates to a dual air chamber surfboard to solve the above problems.

SUMMARY OF THE INVENTION

The purpose of the present invention is to provide a double air-chamber surfboard, which reduces the risk of explosion when the surfboard is inflated, and improves the safety and efficiency of inflating and deflating.

For this purpose, the present invention adopts the following technical solutions:

A double air chamber surfboard is characterized in that it comprises: a main body, a first air chamber and a second air chamber arranged on the main body, and an air valve, the air valve comprises a conversion part, a first fluid channel and a second fluid channel, the first fluid channel is communicated with the first air chamber, the second fluid channel is communicated with the second air chamber; the conversion member allows the fluid to flow to the other through the first fluid channel the first air chamber and/or to the second air chamber through the second fluid channel.

Wherein, a spacer is arranged between the first air chamber and the second air chamber, a through hole is arranged on the spacer, and the second fluid passage passes through the through hole and the second air chamber. Room is connected.

Preferably, the conversion member comprises: a movable valve; a first conversion valve, which is placed under the movable valve, and the movable valve is pressed down to drive the first conversion valve to move down, so that the fluid flows into the first conversion valve. a fluid channel; a second switching valve, placed under the movable valve, and pressing the movable valve down drives the second switching valve to move down, so that the fluid flows into the second fluid channel; an air valve fixing member , the air valve fixing member is provided with a first lower movable groove, the second conversion valve is movably installed in the first lower movable groove, and can move up and down in the first lower movable groove; the groove The groove member is provided with the first fluid channel, the bottom of the groove member is provided with a hole, and the second fluid channel passes through the hole and is connected to the first lower movable groove.

Further, one end of the air valve fixing member is provided with an upper movable groove, and the other end is provided with a second lower movable groove and the first lower movable groove respectively communicated with the upper movable groove, and the movable valve is movably installed on the upper movable groove. the upper movable groove and can move up and down in the upper movable groove; the first switching valve is movably installed in the second lower movable groove and can move up and down in the second lower movable groove .

Further, the first switching valve is provided with a first connecting rod, the second switching valve is provided with a second connecting rod, one end of the first connecting rod is connected with the first switching valve, and the other end is connected with the first switching valve. It is arranged outside the gas valve; one end of the second connecting rod is connected with the second switching valve, and the other end is arranged outside the gas valve.

Preferably, the conversion member includes: a movable valve; a sliding base, on which a sliding base movable groove and a sliding member groove communicated with the sliding base movable groove are provided, and the movable valve is movably installed In the movable groove of the sliding base, a first fluid hole of the sliding base and a second fluid hole of the sliding base are opened on the groove wall of the sliding member groove, and the first fluid hole of the sliding base serves as the first fluid hole of the sliding base. a fluid channel, the second fluid hole of the sliding base is connected with the second fluid channel; a sliding member is movably arranged in the sliding member groove, and the sliding member can be moved to make the sliding base movable groove communicating with the first fluid hole of the sliding base and/or the second fluid hole of the sliding base.

One end of the sliding member is provided with a sliding slider, the sliding member is provided with a first sliding member hole, a second sliding member hole and a third sliding member hole, and the sliding slider is arranged on the sliding member outside of the groove; when the first sliding member hole communicates with the first fluid hole of the sliding base, the second sliding member hole communicates with the second fluid hole of the sliding base, and the third sliding member hole is closed ; When the third sliding member hole communicates with the first fluid hole of the sliding base or the second fluid hole of the sliding base, the first sliding member hole and the second sliding member hole are closed.

Preferably, the conversion member comprises: a movable valve; a rotary base provided with a rotary member groove, and the bottom of the groove is provided with a first fluid hole of the rotary base and a second fluid hole of the rotary base. The first fluid hole of the rotary base As the first fluid channel, the second fluid hole of the rotary base is connected to the second fluid channel; the rotary member is provided with a rotary member movable groove on the rotary member, and the movable valve is installed on the rotary member. In the movable groove of the rotary member, rotating the rotary member makes the movable groove of the rotary member communicate with the first fluid hole of the rotary base and/or the second fluid hole of the rotary base.

Wherein, the rotating member is provided with a first rotating member hole, a second rotating member hole and a third rotating member hole, and when the first rotating member hole is communicated with the first fluid hole of the rotary base, the first rotating member hole is The three rotating member holes are in communication with the second fluid hole of the rotating base, and the second rotating member hole is closed; the second rotating member hole is connected to the first fluid hole of the rotating base or the second fluid hole of the rotating base When the fluid holes are in communication, the first rotating member hole and the third rotating member hole are closed.

Further, the material of the second fluid channel is a PVC steel wire pipe.

Beneficial effects of the present invention:

The double-air chamber surfboard provided by the present invention is provided with an air valve, through which the first air chamber and/or the second air chamber can be selectively inflated and deflated, which simplifies the operation process. When the two air chambers are charged and deflated at the same time, the two air chambers are connected and the air pressure is the same, which reduces the risk of charging and detonating, and improves the safety and efficiency of the charging and discharging operation.

Description of drawings

1 is a schematic diagram of a front structure provided by Embodiment 1 of the present invention;

2 is a schematic side view of the structure provided by Embodiment 1 of the present invention;

Figure 3 is a cross-sectional view of the A-A plane in Figure 2;

4 is a cross-sectional view of the air valve structure provided in Embodiment 1 of the present invention;

5 is a cross-sectional view of the air valve structure provided in Embodiment 2 of the present invention;

6 is a schematic structural diagram of an air valve provided in Embodiment 3 of the present invention;

7 is a schematic structural diagram of a gas valve provided in Embodiment 4 of the present invention;

FIG. 8 is a schematic view of the structure of the base of the rotating member in FIG. 7 .

In the picture:

1. The first air chamber;

2. The second air chamber;

3. Separator; 31. Through-hole parts;

4. Air valve; 41. Conversion parts;

4101, groove part; 41011, hole;

4102, active valve; 4103, first switching valve; 4104, second switching valve;

4105, air valve fixing part; 41051, upper movable groove; 41052, second lower movable groove; 41053, first lower movable groove;

4106, top cover; 4107, cock; 4108, mark top cover; 4109, first connecting rod; 4110, second connecting rod;

4111, sliding piece; 41111, sliding slider; 41112, first sliding piece hole; 41113, second sliding piece hole; 41114, third sliding piece hole;

4112, Sliding base; 41121, Sliding base movable groove; 41122, Slider groove; 41123, Sliding base first fluid hole; 41124, Sliding base second fluid hole;

4113. Sliding base cover;

4114, rotating piece; 41141, rotating piece movable slot; 41142, first rotating piece hole; 41143, second rotating piece hole; 41144, third rotating piece hole;

4115, Rotary base; 41151, Rotary part slot; 41152, Rotary base first fluid hole; 41153, Rotary base second fluid hole;

4116. Rotary base top cover;

42, the flow hole; 43, the second fluid channel;

5. Main body; 6. Large fin; 7. Small fin; 8. Portable handle; 9. Storage rope; 10. D-ring; 11. Anti-slip layer.

detailed description

In order to make the technical problems solved by the present invention, the technical solutions adopted and the technical effects achieved more clearly, the technical solutions of the embodiments of the present invention will be described in further detail below with reference to the accompanying drawings. Obviously, the described embodiments are only the present invention. Some examples, but not all examples. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative efforts shall fall within the protection scope of the present invention.

In the description of the present invention, unless otherwise expressly specified and limited, the terms "connected", "connected" and "fixed" should be understood in a broad sense, for example, it may be a fixed connection, a detachable connection, or an integrated ; It can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, and it can be an internal connection between two elements or an interaction relationship between the two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood in specific situations.

In the present invention, unless otherwise expressly specified and limited, a first feature "on" or "under" a second feature may include the first and second features in direct contact, or may include the first and second features Not directly but through additional features between them. Also, the first feature being "above", "over" and "above" the second feature includes the first feature being directly above and obliquely above the second feature, or simply means that the first feature is level higher than the second feature. The first feature is "below", "below" and "below" the second feature includes the first feature being directly below and diagonally below the second feature, or simply means that the first feature has a lower level than the second feature.

The technical solutions of the present invention are further described below with reference to the accompanying drawings and through specific embodiments.

Example 1

This embodiment discloses a double air chamber surfboard, as shown in Figures 1-3, the double air chamber surfboard comprises a body 5, a first air chamber 1 and a second air chamber 2 arranged on the body 5, and valve 4. The air valve 4 includes a transition piece 41, a first fluid passage and a second fluid passage 43, the first fluid passage communicates with the first air chamber 1, and the second fluid passage 43 communicates with the second air chamber 2; the transition piece 41 allows fluid to pass through The first fluid channel flows to the first air chamber 1 and/or to the second air chamber 2 through the second fluid channel 43 . An air valve 4 is provided on the double air chamber surfboard, through which the first air chamber 1 and/or the second air chamber 2 can be selectively inflated and deflated, which simplifies the operation process. When the two air chambers are charged and deflated at the same time, the two air chambers are connected and the air pressure is the same, which reduces the risk of charging and detonating, and improves the safety and efficiency of the charging and deflating operations.

In this embodiment, one side of the main body 5 is provided with a large fin 6 and a small fin 7, and the other side is provided with a portable handle 8, a storage rope 9, a D-ring 10 and an anti-skid layer 11. The above structures are all It is an important part of the surfboard.

As shown in FIG. 3 , the second air chamber 2 is arranged in the middle of the surfboard, and the first air chamber 1 is arranged along the circumferential direction of the second air chamber 2 . The provision of two air chambers ensures that if one of the air chambers ruptures, the user can escape the risk of drowning with the help of the other air chamber.

A spacer 3 is provided between the first air chamber 1 and the second air chamber 2 , the spacer 3 is provided with a through hole piece 31 , and the second fluid passage 43 communicates with the second air chamber 2 through the through hole piece 31 . The through-hole member 31 is made of plastic material, and the through-hole member 31 is connected to the isolation sheet 3 by means of high-frequency welding or bonding, so as to realize the connection between the through-hole member 31 and the isolation sheet 3 . This design ensures that the second air chamber 2 is in a sealed state, and can only communicate with the outside world through the second fluid channel 43 .

In this embodiment, the material of the second fluid passage 43 is PVC steel wire pipe, which is selected because of its easy bonding, low price and hard texture.

As shown in FIG. 4 , the conversion member 41 includes a groove member 4101 , a movable valve 4102 , a first conversion valve 4103 , a second conversion valve 4104 and an air valve fixing member 4105 . The first switching valve 4103 is placed under the movable valve 4102, and the movable valve 4102 is pressed down to drive the first switching valve 4103 to move down, so that the fluid flows into the first fluid channel; The valve 4102 drives the second switching valve 4104 to move downward, so that the fluid flows into the second fluid channel 43 . During the inflating operation, the movable valve 4102 is pressed down, and the first air chamber 1 and the second air chamber 2 are simultaneously inflated. At this time, the two air chambers are connected and the air pressure is the same, which reduces the risk of charging and explosion and improves the charging and discharging. Safety and efficiency of gas operation. During the deflation operation, the movable valve 4102 is pressed down to realize the communication between the air chamber and the outside, and the deflation operation of the double air chamber surfboard is completed.

The air valve fixing member 4105 is provided with a first lower movable groove 41053 , and the second switching valve 4104 is movably installed in the first lower movable groove 41053 and can move up and down in the first lower movable groove 41053 . The groove member 4101 is provided with a first fluid channel, the bottom of the groove member 4101 is provided with a hole 41011, and the second fluid channel 43 is connected to the first lower movable groove 41053 through the hole 41011, and the first air chamber 1 is realized through the above structure. And the connection between the second air chamber 2 and the air valve 4. In this embodiment, the first fluid channel includes a plurality of flow holes 42, and the flow holes 42 are arranged along the side wall of the groove member 4101 in the circumferential direction. The charging and discharging efficiency of the first air chamber 1 .

One end of the air valve fixing member 4105 is provided with an upper movable groove 41051, and the other end is provided with a second lower movable groove 41052 and a first lower movable groove 41053 respectively communicating with the upper movable groove 41051. The movable valve 4102 is movably installed in the upper movable groove 41051. , and can move up and down in the upper movable groove 41051, the first switching valve 4103 is movably installed in the second lower movable groove 41052, and can move up and down in the second lower movable groove 41052.

In this embodiment, the conversion member 41 further includes a top cover 4106 , which is disposed at the air inlet of the air valve fixing member 4105 and is threadedly connected with the air valve fixing member 4105 , and the top cover 4106 ensures the sealing of the air valve 4 sex.

The conversion piece 41 also includes a cock 4107, one end of which is screwed through the top cover 4106 and installed in the upper movable groove 41051 to prevent the surfboard from deflating due to misoperation by the user.

Embodiment 2

As shown in FIG. 5 , the difference between the structure of the double air chamber surfboard provided in this embodiment and the first embodiment is that the first switching valve 4103 is provided with a first connecting rod 4109 , and the second switching valve 4104 is provided with a first connecting rod 4109 . Two connecting rods 4110, one end of the first connecting rod 4109 is connected with the first switching valve 4103, and the other end is set outside the gas valve 4; one end of the second connecting rod 4110 is connected with the second switching valve 4104, and the other end is set on the gas valve 4 outside. During the inflation and deflation operation, pressing the end of the first connecting rod 4109 and/or the second connecting rod 4110 disposed outside the air valve 4 will directly inflate and deflate the first air chamber 1 and/or the second air chamber 2 . The air valve 4 provided in the second embodiment can realize the inflating and deflating operation of the designated air chamber by manually controlling the first switching valve 4103 and/or the second switching valve 4104, which improves the efficiency of the inflating and deflating operations.

In this embodiment, the conversion member 41 further includes a marking top cover 4108, which is arranged at the air inlet of the air valve fixing member 4105 and is threadedly connected with the gas valve fixing member 4105. The marking top cover 4108 ensures the air valve 4, and a mark to distinguish the first connecting rod 4109 and the second connecting rod 4110 is provided on the outside thereof.

The conversion piece 41 also includes a cock 4107, one end of the cock 4107 is screwed and installed in the upper movable groove 41051 through a marking top cover 4108, so as to prevent the surfboard from deflating due to misoperation by the user.

Embodiment 3

As shown in FIG. 6 , the difference between the structure of the double air chamber surfboard provided in this embodiment and the first embodiment is that the structure of the conversion member 41 is different from that of the conversion member 41 in the first embodiment. In this embodiment, the conversion member 41 It includes a sliding base 4112 , a sliding member 4111 and a movable valve 4102 . The sliding base 4112 is provided with a sliding base movable groove 41121 and a sliding piece groove 41122 which communicates with the sliding base movable groove 41121. The movable valve 4102 is movably installed in the sliding base movable groove 41121, on the groove wall of the sliding piece groove 41122. The first fluid hole 41123 of the sliding base and the second fluid hole 41124 of the sliding base are opened. The sliding member 4111 is movably disposed in the sliding member groove 41122, and the sliding member 4111 can be toggled to make the sliding base movable groove 41121 communicate with the sliding base first fluid hole 41123 and/or the sliding base second fluid hole 41124. During inflation and deflation, the toggle slider 4111 can be designated to realize the inflation and deflation operation of the first air chamber 1 and/or the second air chamber 2 .

In this embodiment, one end of the sliding member 4111 is provided with a sliding slider 41111, the sliding member 4111 is provided with a first sliding member hole 41112, a second sliding member hole 41113 and a third sliding member hole 41114, and the sliding slider 41111 is provided with outside the slider slot 41122. When sliding the sliding member 4111 makes the first sliding member hole 41112 communicate with the first fluid hole 41123 of the sliding base, the second sliding member hole 41113 communicates with the second fluid hole 41124 of the sliding base, and the third sliding member hole 41114 is closed. Inflate the first air chamber 1 and the second air chamber 2 at the same time; when the third sliding member hole 41114 communicates with the first fluid hole 41123 of the sliding base or the second fluid hole 41124 of the sliding base, the first sliding member hole 41112 It is closed with the second sliding member hole 41113, and the first air chamber 1 or the second air chamber 2 is inflated at this time. The design of the structure of the slider 4111 ensures that only the selected fluid channel is opened while the other fluid channels are closed during the inflation and deflation operation.

In the present embodiment, the conversion member 41 further includes a sliding base top cover 4113. The sliding base top cover 4113 is disposed at the air inlet of the sliding base 4112 and is connected to the sliding base 4112. The sliding base top cover 4113 ensures The sealing performance of the air valve 4 is improved, and at the same time, a mark is provided on the outer side of the air valve 4 to distinguish the position of the sliding member 4111 when the first air chamber 1 and/or the second air chamber 2 are inflated.

The cock 4107, one end of the cock 4107 passes through the sliding base top cover 4113 and is screwed and installed in the sliding base movable groove 41121 to prevent the surfboard from deflating due to user misoperation.

Embodiment 4

As shown in FIGS. 7-8 , the difference between the structure of the double air chamber surfboard provided in this embodiment and the first embodiment is that the structure of the conversion member 41 is different from that of the conversion member 41 in the first embodiment. The conversion member 41 includes a rotary base 4115 provided with a rotary member groove 41151 , a rotary member 4114 and a movable valve 4102 . The groove bottom of the rotary base 4115 is provided with the first fluid hole 41152 of the rotary base and the second fluid hole 41153 of the rotary base. The two fluid passages 43 are connected; the rotating member 4114 is provided with a rotating member movable groove 41141, and the movable valve 4102 is installed in the rotating member movable groove 41141. and/or the second fluid hole 41153 of the rotary base communicates with each other. When inflating and deflating, the rotating rotary member 4114 can be designated to realize the inflating and deflating operation of the first air chamber 1 and/or the second air chamber 2 .

The rotating member 4114 is provided with a first rotating member hole 41142, a second rotating member hole 41143 and a third rotating member hole 41144. When the first rotating member hole 41142 communicates with the first fluid hole 41152 of the rotary base, the third rotating member hole 41144 communicates with the second fluid hole 41153 of the rotary base, and the second rotary member hole 41143 is closed. At this time, the first air chamber 1 and the second air chamber 2 are inflated at the same time; the second rotary member hole 41144 is connected to the first air chamber of the rotary base. When the fluid hole 41152 or the second fluid hole 41153 of the rotary base is connected, the first rotating member hole 41142 and the third rotating member hole 41144 are closed, and the first air chamber 1 or the second air chamber 2 is inflated at this time. The design of the structure of the rotating member 4114 ensures that only the selected fluid channel is opened while the other fluid channels are closed during the inflation and deflation operation.

In this embodiment, the conversion member 41 further includes a rotary base top cover 4116, the rotary base top cover 4116 is disposed at the air inlet of the rotary base 4115, and is threadedly connected with the rotary base 4115, and the rotary base top cover 4116 The airtightness of the air valve 4 is ensured, and at the same time, a mark is provided on the outside of the air valve 4 to distinguish the position of the rotating member 4114 when the first air chamber 1 and/or the second air chamber 2 are inflated.

The converting member 41 also includes a cock 4107. One end of the cock 4107 is screwed through the rotating base top cover 4116 and installed in the rotating member movable groove 41141 to prevent the surfboard from deflating due to user misoperation.

Obviously, the above-mentioned embodiments of the present invention are only examples for clearly illustrating the present invention, rather than limiting the embodiments of the present invention. For those of ordinary skill in the art, changes or modifications in other different forms can also be made on the basis of the above description. There is no need and cannot be exhaustive of all implementations here. Any modifications, equivalent replacements and improvements made within the spirit and principle of the present invention shall be included within the protection scope of the claims of the present invention.

Claims

A double air chamber surfboard, characterized in that it comprises:

body (5);

a first air chamber (1), arranged on the body (5);

The second air chamber (2) is arranged on the main body (5); and

An air valve (4), the air valve (4) includes a transition piece (41), a first fluid passage and a second fluid passage (43), the first fluid passage communicating with the first air chamber (1) , the second fluid channel (43) communicates with the second air chamber (2); the conversion member (41) enables the fluid to flow to the first air chamber (1) and/or through the first fluid channel Or flow to the second air chamber (2) through the second fluid channel (43).
The double-air chamber surfboard according to claim 1, characterized in that an isolation sheet (3) is provided between the first air chamber (1) and the second air chamber (2), and the isolation sheet (3) A through-hole piece (31) is provided on it, and the second fluid channel (43) communicates with the second air chamber (2) through the through-hole piece (31).
The double air chamber surfboard according to claim 1, characterized in that, the conversion member (41) comprises:

Active valve (4102);

The first switching valve (4103) is placed under the movable valve (4102), and the movable valve (4102) is pressed down to drive the first switching valve (4103) to move down, so that the fluid flows into the first switching valve (4103). a fluid channel;

The second switching valve (4104) is placed under the movable valve (4102), and the movable valve (4102) is pressed down to drive the second switching valve (4104) to move down, so that the fluid flows into the first switching valve (4104). Two fluid channels (43);

An air valve fixing member (4105), the air valve fixing member (4105) is provided with a first lower movable groove (41053), and the second switching valve (4104) is movably installed in the first lower movable groove (41053) ), and can move up and down in the first lower movable groove (41053);

A groove member (4101), the groove member (4101) is provided with the first fluid channel, the bottom of the groove member (4101) is provided with a hole (41011), and the second fluid channel (43) Connect with the first lower movable groove (41053) through the hole (41011).
The double air chamber surfboard according to claim 3, characterized in that, one end of the air valve fixing member (4105) is provided with an upper movable groove (41051), and the other end is provided with an upper movable groove (41051) respectively. The second lower movable groove (41052) and the first lower movable groove (41053) communicate with each other, the movable valve (4102) is movably installed in the upper movable groove (41051), and can be installed in the upper movable groove (41051) moves up and down, the first switching valve (4103) is movably installed in the second lower movable groove (41052), and can move up and down in the second lower movable groove (41052).
The double air chamber surfboard according to claim 3, wherein a first connecting rod (4109) is provided on the first switching valve (4103), and a second switching valve (4104) is provided on the second switching valve (4104). Two connecting rods (4110), one end of the first connecting rod (4109) is connected to the first switching valve (4103), and the other end is arranged outside the air valve (4); the second connecting rod (4109) 4110) is connected to the second switching valve (4104), and the other end is arranged outside the air valve (4).
The double-air chamber surfboard according to claim 1, wherein the conversion member (41) comprises:

Active valve (4102);

A sliding base (4112), the sliding base (4112) is provided with a sliding base movable groove (41121) and a sliding member groove (41122) communicating with the sliding base movable groove (41121), the movable base (41121) The valve (4102) is movably installed in the sliding base movable groove (41121), and the sliding base first fluid hole (41123) and the sliding base second fluid are opened on the groove wall of the sliding member groove (41122). a hole (41124), the first fluid hole (41123) of the sliding base serves as the first fluid channel, and the second fluid hole (41124) of the sliding base is connected to the second fluid channel (43);

A sliding member (4111) is movably arranged in the sliding member groove (41122), and the sliding member (4111) can be moved to enable the sliding base movable groove (41121) to connect with the first fluid hole of the sliding base (41123) and/or the sliding base second fluid hole (41124).
The double-air chamber surfboard according to claim 6, characterized in that a sliding slider (41111) is provided at one end of the sliding member (4111), and a first sliding member hole is formed on the sliding member (4111). (41112), a second slider hole (41113) and a third slider hole (41114), the sliding slider (41111) is arranged outside the slider slot (41122); the first slider hole (41114) 41112) is communicated with the first fluid hole (41123) of the sliding base, the second sliding member hole (41113) is communicated with the second fluid hole (41124) of the sliding base, and the third sliding member hole (41114) is closed; when the third sliding member hole (41114) communicates with the first fluid hole (41123) of the sliding base or the second fluid hole (41124) of the sliding base, the first sliding member The hole (41112) is closed with the second slider hole (41113).
The double air chamber surfboard according to claim 1, characterized in that, the conversion member (41) comprises:

Active valve (4102);

The rotary base (4115) is provided with a rotary element groove (41151), and the bottom of the groove is provided with a first fluid hole (41152) of the rotary base and a second fluid hole (41153) of the rotary base. The first fluid hole of the rotary base (41152) As the first fluid channel, the second fluid hole (41153) of the rotary base is connected to the second fluid channel (43);

A rotating member (4114), the rotating member (4114) is provided with a rotating member movable groove (41141), the movable valve (4102) is installed in the rotating member movable groove (41141), and the rotating member (41141) is rotated. 4114) Connect the rotating member movable groove (41141) with the first fluid hole (41152) of the rotating base and/or the second fluid hole (41153) of the rotating base.
The double air-chamber surfboard according to claim 8, characterized in that, the rotating member (4114) is provided with a first rotating member hole (41142), a second rotating member hole (41143) and a third rotating member hole (41144), when the first rotary member hole (41142) communicates with the rotary base first fluid hole (41152), the third rotary member hole (41144) communicates with the rotary base second fluid hole (41153) communicates with the second rotating member hole (41143); the second rotating member hole (41144) is connected to the first fluid hole (41152) of the rotary base or the second fluid hole of the rotary base When (41153) is connected, the first rotating member hole (41142) and the third rotating member hole (41144) are closed.
The double air chamber surfboard according to any one of claims 1-9, characterized in that, the material of the second fluid channel (43) is a PVC steel wire pipe.