A double-chamber surfboard

Abstract

The present invention relates to the technical field of sports equipment, and specifically discloses a double-chamber surfboard. The double-chamber surfboard includes a body, a first air chamber, a second air chamber and an air valve. The air valve includes a conversion member, a first fluid passage and a second fluid passage. The first fluid passage is communicated with the first air chamber, and the second fluid passage is communicated with the second air chamber; the conversion member enables the fluid to flow into the first air chamber through the first fluid passage and / or flow into the second air chamber through the second fluid passage. The improved setting of the air valve on the double-chamber surfboard provided by the present invention avoids the risk of explosion during inflation of the surfboard and improves the safety and efficiency of inflation and deflation.

Description

Technical Field

[0001] The present invention relates to the technical field of sports equipment, and particularly to a double-chamber surfboard. Background Art

[0002] Surfing is an important and popular entertainment activity. Double-chamber surfboards have additional chambers and are more secure than ordinary surfboards, so they are widely loved by users.

[0003] Currently, for existing double-chamber SUP surfboards, each chamber is equipped with a single air valve. When in use, users need to connect corresponding air plugs to the corresponding air valves for inflation.

[0004] The existing double-chamber surfboards are cumbersome and time-consuming to inflate, and there is a risk of explosion during inflation. The present invention relates to a double-chamber surfboard to solve the above problems. Summary of the Invention

[0005] The purpose of the present invention is to provide a double-chamber surfboard, which reduces the risk of explosion during inflation and improves the safety and efficiency of inflation and deflation.

[0006] To achieve this purpose, the present invention adopts the following technical solutions:

[0007] A double-chamber surfboard, characterized by comprising: a main body, a first chamber and a second chamber provided on the main body, and an air valve. The air valve includes a conversion member, a first fluid passage and a second fluid passage. The first fluid passage communicates with the first chamber, and the second fluid passage communicates with the second chamber. The conversion member enables fluid to flow through the first fluid passage into the first chamber and / or through the second fluid passage into the second chamber.

[0008] Wherein, a separator is provided between the first chamber and the second chamber, and a through-hole member is provided on the separator. The second fluid passage communicates with the second chamber through the through-hole member.

[0009] Preferably, the conversion member includes: a movable valve; a first conversion valve placed below the movable valve. Pressing down the movable valve drives the first conversion valve to move downward, enabling the fluid to flow into the first fluid passage; a second conversion valve placed below the movable valve. Pressing down the movable valve drives the second conversion valve to move downward, enabling the fluid to flow into the second fluid passage; an air valve fixing member, on which a first lower movable groove is provided. 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; a groove member, in which the first fluid passage is provided. A hole is provided at the bottom of the groove member, and the second fluid passage passes through the hole and is connected to the first lower movable groove.

[0010] Furthermore, an upper movable groove is provided at one end of the air valve fixing part, and a second lower movable groove and the first lower movable groove which are respectively connected to the upper movable groove are provided at the other end; the movable valve is movably installed in the upper movable groove and can move up and down in the upper movable groove; the first conversion valve is movably installed in the second lower movable groove and can move up and down in the second lower movable groove.

[0011] Furthermore, a first connecting rod is provided on the first conversion valve, and a second connecting rod is provided on the second conversion valve, one end of the first connecting rod is connected to the first conversion valve, and the other end is provided on the outside of the gas valve; one end of the second connecting rod is connected to the second conversion valve, and the other end is provided on the outside of the gas valve.

[0012] Preferably, the conversion member includes: a movable valve; a sliding base, the sliding base is provided with a sliding base movable groove and a sliding member groove connected to the sliding base movable groove, the movable valve is movably installed in the sliding base movable groove, the groove wall of the sliding member groove is provided with a sliding base first fluid hole and a sliding base second fluid hole, the sliding base first fluid hole serves as the first fluid channel, and the sliding base second fluid hole is connected to the second fluid channel; a sliding member, movably arranged in the sliding member groove, and moving the sliding member can make the sliding base movable groove connect with the sliding base first fluid hole and / or the sliding base second fluid hole.

[0013] In which, a sliding block is provided at one end of the sliding member, and a first sliding member hole, a second sliding member hole and a third sliding member hole are opened on the sliding member, and the sliding block is arranged on the outside of the sliding member groove; when the first sliding member hole is connected with the first fluid hole of the sliding base, the second sliding member hole is connected with the second fluid hole of the sliding base, and the third sliding member hole is closed; when the third sliding member hole is connected 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.

[0014] Preferably, the conversion part includes: an active valve; a rotating base, which is provided with a rotating part groove, and a first fluid hole of the rotating base and a second fluid hole of the rotating base are provided at the bottom of the groove. The first fluid hole of the rotating base serves as the first fluid channel, and the second fluid hole of the rotating base is connected to the second fluid channel; a rotating part, on which a rotating part active groove is provided, and the active valve is installed in the active groove of the rotating part, and the rotating part is rotated to connect the active groove of the rotating part with the first fluid hole of the rotating base and / or the second fluid hole of the rotating base.

[0015] Among them, a first rotating part hole, a second rotating part hole and a third rotating part hole are formed in the rotating part. When the first rotating part hole communicates with the first fluid hole of the rotary base, the third rotating part hole communicates with the second fluid hole of the rotary base, and the second rotating part hole is closed; when the second rotating part hole communicates with the first fluid hole or the second fluid hole of the rotary base, the first rotating part hole and the third rotating part hole are closed.

[0016] Furthermore, the material of the second fluid channel is a PVC steel wire tube.

[0017] Advantages of the present invention:

[0018] A single air valve is provided on the double-chamber surfboard provided by the present invention. Through this air valve, the first air chamber and / or the second air chamber can be selectively inflated and deflated, simplifying the operation process. When inflating and deflating the two air chambers simultaneously, the two air chambers are connected and have the same air pressure, reducing the risk of explosion during inflation and improving the safety and efficiency of the inflation and deflation operations. Description of the Drawings

[0019] Figure 1 is a front structural schematic diagram provided by Embodiment 1 of the present invention;

[0020] Figure 2 is a side structural schematic diagram provided by Embodiment 1 of the present invention;

[0021] Figure 3 is Figure 2 a cross-sectional view of the A-A plane in

[0022] Figure 4 is a sectional view of the air valve structure provided by Embodiment 1 of the present invention;

[0023] Figure 5 is a sectional view of the air valve structure provided by Embodiment 2 of the present invention;

[0024] Figure 6 is a schematic diagram of the air valve structure provided by Embodiment 3 of the present invention;

[0025] Figure 7 is a schematic diagram of the air valve structure provided by Embodiment 4 of the present invention;

[0026] Figure 8 is Figure 7 a schematic diagram of the structure of the rotating part base in

[0027] In the figure:

[0028] 1, the first air chamber;

[0029] 2, the second air chamber;

[0030] 3. Isolation sheet; 31. Through-hole part;

[0031] 4. Air valve; 41. Conversion part;

[0032] 4101. Groove part; 41011. Hole;

[0033] 4102. Movable valve; 4103. First conversion valve; 4104. Second conversion valve;

[0034] 4105. Air valve fixing part; 41051. Upper movable groove; 41052. Second lower movable groove; 41053. First lower movable groove;

[0035] 4106. Top cover; 4107. Plug; 4108. Marking top cover; 4109. First connecting rod; 4110. Second connecting rod;

[0036] 4111. Sliding part; 41111. Sliding slider; 41112. First sliding part hole; 41113. Second sliding part hole; 41114. Third sliding part hole;

[0037] 4112. Sliding base; 41121. Sliding base movable groove; 41122. Sliding part groove; 41123. First fluid hole of sliding base; 41124. Second fluid hole of sliding base;

[0038] 4113. Sliding base top cover;

[0039] 4114. Rotating part; 41141. Rotating part movable groove; 41142. First rotating part hole; 41143. Second rotating part hole; 41144. Third rotating part hole;

[0040] 4115. Rotating base; 41151. Rotating part groove; 41152. First fluid hole of rotating base; 41153. Second fluid hole of rotating base;

[0041] 4116. Rotating base top cover;

[0042] 42. Flow-through hole; 43. Second fluid channel;

[0043] 5. Body; 6. Big fish fin; 7. Small fish fin; 8. Portable handle; 9. Storage rope; 10. D-ring; 11. Anti-slip layer. Detailed implementation mode

[0044] To make the technical problems solved by the present invention, the technical solutions adopted, and the achieved technical effects clearer, the technical solutions of the embodiments of the present invention will be further described in detail below with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative efforts belong to the scope of protection of the present invention.

[0045] In the description of the present invention, unless otherwise clearly defined and limited, the terms "connected", "connected", and "fixed" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral body; it can be a mechanical connection or an electrical connection; it can be directly connected, or indirectly connected through an intermediate medium, and can be the communication inside two components or the interaction relationship between two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0046] In the present invention, unless otherwise clearly defined and limited, the first feature being "above" or "below" the second feature may include the first and second features being in direct contact, or may include the first and second features not being in direct contact but in contact through other features therebetween. Moreover, the first feature being "above", "over", and "on" the second feature includes the first feature being directly above and obliquely above the second feature, or merely indicating that the first feature is at a higher horizontal height than the second feature. The first feature being "below", "beneath", and "under" the second feature includes the first feature being directly below and obliquely below the second feature, or merely indicating that the first feature is at a lower horizontal height than the second feature.

[0047] The technical solutions of the present invention will be further described below with reference to the accompanying drawings and through specific embodiments.

[0048] Embodiment 1

[0049] This embodiment discloses a double-chamber surfboard. As Figures 1 - 3 shown, the double-chamber surfboard includes a body 5, a first air chamber 1 and a second air chamber 2 provided on the body 5, and an air valve 4. The air valve 4 includes a conversion member 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 conversion member 41 enables the fluid to flow through the first fluid passage to the first air chamber 1 and / or through the second fluid passage 43 to the second air chamber 2. A single air valve 4 is provided on the double-chamber surfboard, and through this air valve 4, the first air chamber 1 and / or the second air chamber 2 can be selectively inflated and deflated, simplifying the operation process. When inflating and deflating the two air chambers simultaneously, the two air chambers are connected and have the same air pressure, reducing the risk of explosion and improving the safety and efficiency of the inflation and deflation operations.

[0050] In this embodiment, a large fish fin 6 and a small fish fin 7 are provided on one side of the main body 5, while a portable handle 8, a storage rope 9, a D-ring 10 and an anti-slip layer 11 are provided on the other side. The above structures are all important components of the surfboard.

[0051] As Figure 3 shown, the second air chamber 2 is provided in the middle of the surfboard, and the first air chamber 1 is provided along the circumference of the second air chamber 2. Setting two air chambers can ensure that when one of the air chambers is ruptured, the user can rely on the other air chamber to get rid of the danger of drowning.

[0052] A separator 3 is provided between the first air chamber 1 and the second air chamber 2. A through-hole member 31 is provided on the separator 3, and the second fluid passage 43 communicates with the second air chamber 2 through the through-hole member 31. The through-hole member 31 is made of plastic, and the through-hole member 31 is connected to the separator 3 by high-frequency welding or bonding to realize the connection between the through-hole member 31 and the separator 3. This design ensures that the second air chamber 2 is in a sealed state and can only communicate with the outside through the second fluid passage 43.

[0053] In this embodiment, the material of the second fluid passage 43 is a PVC steel wire tube. The PVC steel wire tube is selected because it has the characteristics of easy bonding, low price and hard texture.

[0054] As Figure 4 shown, the conversion member 41 includes a groove member 4101, a movable valve 4102, a first conversion valve 4103, a second conversion valve 4104 and a valve fixing member 4105. The first conversion valve 4103 is placed below the movable valve 4102. Pressing down the movable valve 4102 drives the first conversion valve 4103 to move downwards, so that the fluid flows into the first fluid passage; the second conversion valve 4104 is placed below the movable valve 4102. Pressing down the movable valve 4102 drives the second conversion valve 4104 to move downwards, so that the fluid flows into the second fluid passage 43. When performing an inflation operation, press down the movable valve 4102, and at the same time inflate the first air chamber 1 and the second air chamber 2. At this time, the two air chambers are connected and the air pressures are the same, reducing the risk of explosion and improving the safety and efficiency of the inflation and deflation operations. When performing a deflation operation, press down the movable valve 4102 to connect the air chamber with the outside, and complete the deflation operation of the double-air-chamber surfboard.

[0055] 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 passage, and a hole 41011 is provided at the bottom of the groove member 4101. The second fluid passage 43 passes through the hole 41011 and is connected to the first lower movable groove 41053. Through the above structure, the connection between the first air chamber 1 and the second air chamber 2 and the air valve 4 is realized. In this embodiment, the first fluid passage includes a plurality of through holes 42, and the through holes 42 are circumferentially arranged along the side wall of the groove member 4101. By providing a plurality of through holes 42, the smoothness of the first fluid passage is ensured, and the charging and discharging efficiency of the first air chamber 1 is improved.

[0056] 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 that are respectively communicated 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.

[0057] In this embodiment, the conversion member 41 further includes a top cover 4106. The top cover 4106 is arranged at the air inlet of the air valve fixing member 4105 and is threadedly connected to the air valve fixing member 4105. The top cover 4106 ensures the sealing performance of the air valve 4.

[0058] The conversion member 41 further includes a plug 4107. One end of the plug 4107 passes through the top cover 4106 and is screwed and installed in the upper movable groove 41051 to prevent the situation of the surfboard deflating due to the misoperation of the user.

[0059] Embodiment 2

[0060] As Figure 5 shown, the difference between the structure of the double-air-chamber surfboard provided in this embodiment and that of Embodiment 1 is that a first connecting rod 4109 is provided on the first switching valve 4103, and a second connecting rod 4110 is provided on the second switching valve 4104. 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; one end of the second connecting rod 4110 is connected to the second switching valve 4104, and the other end is arranged outside the air valve 4. When performing the charging and discharging operation, pressing one end of the first connecting rod 4109 and / or the second connecting rod 4110 arranged outside the air valve 4 will directly charge and discharge the first air chamber 1 and / or the second air chamber 2. The air valve 4 provided in Embodiment 2 can realize the charging and discharging operation of the specified air chamber by manually controlling the first switching valve 4103 and / or the second switching valve 4104, improving the efficiency of the charging and discharging operation.

[0061] In this embodiment, the conversion member 41 also includes a marking top cover 4108, which is arranged at the air inlet of the air valve fixing member 4105 and is threadedly connected to the air valve fixing member 4105. The marking top cover 4108 ensures the sealing of the air valve 4, and at the same time, a mark is provided on its outer side to distinguish the first connecting rod 4109 from the second connecting rod 4110.

[0062] The conversion member 41 further comprises a cock 4107, one end of which is provided with a marked top cover 4108 which is screwed into the upper movable groove 41051 to prevent the surfboard from being deflated due to misoperation by the user.

[0063] Embodiment 3

[0064] like Figure 6 As shown, the structure of the dual air chamber surfboard provided in this embodiment is different from that in the first embodiment in 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 includes a sliding base 4112, a sliding member 4111 and an active valve 4102. The sliding base 4112 is provided with a sliding base active groove 41121 and a sliding member groove 41122 communicating with the sliding base active groove 41121. The active valve 4102 is movably installed in the sliding base active groove 41121. The groove wall of the sliding member groove 41122 is provided with a sliding base first fluid hole 41123 and a sliding base second fluid hole 41124. The sliding base first fluid hole 41123 serves as a first fluid channel, and the sliding base second fluid hole 41124 is connected to the second fluid channel 43. The sliding member 4111 is movably disposed in the sliding member slot 41122. When the sliding member 4111 is moved, the sliding base movable slot 41121 can be connected with the sliding base first fluid hole 41123 and / or the sliding base second fluid hole 41124. When inflating or deflation, the sliding member 4111 can be moved to specify the inflation or deflation operation of the first air chamber 1 and / or the second air chamber 2.

[0065] In this embodiment, a sliding slider 41111 is provided at one end of the sliding member 4111. 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. The sliding slider 41111 is disposed outside the sliding member groove 41122. When the sliding member 4111 is slid to connect the first sliding member hole 41112 with the first fluid hole 41123 of the sliding base, the second sliding member hole 41113 is connected with the second fluid hole 41124 of the sliding base, and the third sliding member hole 41114 is closed. At this time, the first air chamber 1 and the second air chamber 2 are simultaneously inflated; when the third sliding member hole 41114 is connected with the first fluid hole 41123 or the second fluid hole 41124 of the sliding base, the first sliding member hole 41112 and the second sliding member hole 41113 are closed. At this time, the first air chamber 1 or the second air chamber 2 is inflated. The design of the structure of the sliding member 4111 ensures that only the selected fluid passage is opened and the remaining fluid passages are closed during the inflation and deflation operations.

[0066] In this 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. At the same time, a mark for distinguishing the position of the sliding member 4111 when the first air chamber 1 and / or the second air chamber 2 is inflated is provided on its outer side.

[0067] A plug 4107, one end of the plug 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 the misoperation of the user.

[0068] Embodiment Four

[0069] As Figures 7 - 8As shown in the figure, the difference in the structure of the double-chamber surfboard provided in this embodiment from that in Embodiment 1 lies in that the structure of the conversion member 41 is different from that of the conversion member 41 in Embodiment 1. In this 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 bottom of the rotary base 4115 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 41152 of the rotary base serves as the first fluid passage, and the second fluid hole 41153 of the rotary base is connected to the second fluid passage 43; the rotary member 4114 is provided with a rotary member movable groove 41141, and the movable valve 4102 is installed in the rotary member movable groove 41141. Rotating the rotary member 4114 makes the rotary member movable groove 41141 communicate with the first fluid hole 41152 of the rotary base and / or the second fluid hole 41153 of the rotary base. During inflation and deflation, rotating the rotary member 4114 can specifically perform the inflation and deflation operations on the first air chamber 1 and / or the second air chamber 2.

[0070] The rotary member 4114 is provided with a first rotary member hole 41142, a second rotary member hole 41143, and a third rotary member hole 41144. When the first rotary member hole 41142 communicates with the first fluid hole 41152 of the rotary base, the third rotary 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 simultaneously; when the second rotary member hole 41144 communicates with the first fluid hole 41152 or the second fluid hole 41153 of the rotary base, the first rotary member hole 41142 and the third rotary member hole 41144 are closed. At this time, the first air chamber 1 or the second air chamber 2 is inflated. The design of the structure of the rotary member 4114 ensures that only the selected fluid passage is opened and the remaining fluid passages are closed during the inflation and deflation operations.

[0071] In this embodiment, the conversion member 41 further includes a rotary base top cover 4116. The rotary base top cover 4116 is provided at the air inlet of the rotary base 4115 and is threadedly connected to the rotary base 4115. The rotary base top cover 4116 ensures the sealing performance of the air valve 4, and at the same time, a mark for distinguishing the position of the rotary member 4114 when the first air chamber 1 and / or the second air chamber 2 is inflated is provided on its outer side.

[0072] The conversion member 41 further includes a plug 4107. One end of the plug 4107 passes through the rotary base top cover 4116 and is screwed and installed in the rotary member movable groove 41141 to prevent the surfboard from deflating due to the misoperation of the user.

[0073] Obviously, the above-mentioned embodiments of the present invention are merely examples for clearly illustrating the present invention, rather than limitations on the implementation manners of the present invention. For those of ordinary skill in the art, other different forms of changes or alterations can be made based on the above description. It is not necessary and impossible to enumerate all implementation manners here. Any modifications, equivalent substitutions, improvements, etc. 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

1. A double-chamber surfboard, characterized in that, Comprising: A body (5); A first air chamber (1), disposed on the body (5); A second air chamber (2), disposed in the middle of the body (5), the first air chamber (1) being disposed along the circumferential direction of the second air chamber (2); and An air valve (4), the air valve (4) including a conversion member (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 passage (43) communicating with the second air chamber (2); the conversion member (41) enabling fluid to flow through the first fluid passage to the first air chamber (1) and / or through the second fluid passage (43) to the second air chamber (2); The conversion member (41) includes: A movable valve (4102); A first conversion valve (4103), disposed below the movable valve (4102), pressing down the movable valve (4102) drives the first conversion valve (4103) to move downward, enabling the fluid to flow into the first fluid passage; A second conversion valve (4104), disposed below the movable valve (4102), pressing down the movable valve (4102) drives the second conversion valve (4104) to move downward, enabling the fluid to flow into the second fluid passage (43); An air valve fixing member (4105), the air valve fixing member (4105) being provided with a first lower movable groove (41053), the second conversion valve (4104) being movably installed in the first lower movable groove (41053) and capable of moving up and down in the first lower movable groove (41053); A groove member (4101), the groove member (4101) being provided with the first fluid passage, the bottom of the groove member (4101) being provided with a hole (41011), the second fluid passage (43) passing through the hole (41011) to connect with the first lower movable groove (41053); A first connecting rod (4109) is provided on the first conversion valve (4103), a second connecting rod (4110) is provided on the second conversion valve (4104), one end of the first connecting rod (4109) is connected to the first conversion valve (4103), and the other end is disposed outside the air valve (4); one end of the second connecting rod (4110) is connected to the second conversion valve (4104), and the other end is disposed outside the air valve (4).

2. The double-chamber surfboard according to claim 1, characterized in that, A separator (3) is provided between the first air chamber (1) and the second air chamber (2), the separator (3) being provided with a through-hole member (31), the second fluid passage (43) communicating with the second air chamber (2) through the through-hole member (31).

3. The double-chamber surfboard according to any one of claims 1-2, characterized in that, The material of the second fluid passage (43) is a PVC steel wire tube.

4. A double-chamber surfboard, characterized in that, Comprising: A body (5); A first air chamber (1), disposed on the body (5); A second air chamber (2), disposed in the middle of the body (5), the first air chamber (1) being disposed along the circumferential direction of the second air chamber (2); and An air valve (4), the air valve (4) comprising a conversion element (41), a first fluid channel and a second fluid channel (43), the first fluid channel being in communication with the first air chamber (1), and the second fluid channel (43) being in communication with the second air chamber (2); the conversion element (41) enables the fluid to flow to the first air chamber (1) through the first fluid channel and / or to flow to the second air chamber (2) through the second fluid channel (43); The conversion element (41) comprises: Active valve (4102); A sliding base (4112), wherein the sliding base (4112) is provided with a sliding base movable groove (41121) and a sliding member groove (41122) connected to the sliding base movable groove (41121), the movable valve (4102) is movably installed in the sliding base movable groove (41121), and a sliding base first fluid hole (41123) and a sliding base second fluid hole (41124) are opened on the groove wall of the sliding member groove (41122), the sliding base first fluid hole (41123) serves as the first fluid channel, and the sliding base second fluid hole (41124) is connected to the second fluid channel (43); The sliding member (4111) is movably disposed in the sliding member groove (41122), and moving the sliding member (4111) can connect the sliding base movable groove (41121) with the sliding base first fluid hole (41123) and / or the sliding base second fluid hole (41124).

5. The double-chamber surfboard according to claim 4, characterized in that, A sliding slider (41111) is provided at one end of the sliding member (4111), and a first sliding member hole (41112), a second sliding member hole (41113) and a third sliding member hole (41114) are provided on the sliding member (41111), and the sliding slider (41111) is arranged on the outside of the sliding member groove (41122); when the first sliding member hole (41112) is connected to the first fluid hole (41123) of the sliding base, the second sliding member hole (41113) is connected to 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) is connected to 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) and the second sliding member hole (41113) are closed.

6. The double-chamber surfboard according to any one of claims 4-5, characterized in that, The material of the second fluid channel (43) is a PVC steel wire tube.

7. A double-chamber surfboard, characterized in that, include: Ontology(5); A first air chamber (1) is arranged on the body (5); The second air chamber (2) is arranged in the middle of the body (5), and the first air chamber (1) is arranged along the circumference of the second air chamber (2); and A gas valve (4), the gas valve (4) includes a conversion member (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 conversion member (41) enables fluid to flow through the first fluid passage to the first air chamber (1) and / or through the second fluid passage (43) to the second air chamber (2); The conversion member (41) includes: A movable valve (4102); A rotary base (4115), provided with a rotary member groove (41151), 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 (41152) of the rotary base serves as the first fluid passage, and the second fluid hole (41153) of the rotary base is connected to the second fluid passage (43); A rotary member (4114), the rotary member (4114) is provided with a rotary member movable groove (41141), the movable valve (4102) is installed in the rotary member movable groove (41141), and rotating the rotary member (4114) makes the rotary member movable groove (41141) communicate with the first fluid hole (41152) of the rotary base and / or the second fluid hole (41153) of the rotary base.

8. The double-chamber surfboard according to claim 7, characterized in that, The rotary member (4114) is provided with a first rotary member hole (41142), a second rotary member hole (41143), and a third rotary member hole (41144). When the first rotary member hole (41142) communicates with the first fluid hole (41152) of the rotary base, the third rotary member hole (41144) communicates with the second fluid hole (41153) of the rotary base, and the second rotary member hole (41143) is closed; when the second rotary member hole (41144) communicates with the first fluid hole (41152) or the second fluid hole (41153) of the rotary base, the first rotary member hole (41142) and the third rotary member hole (41144) are closed.

9. The double-chamber surfboard according to any one of claims 7-8, characterized in that, The material of the second fluid passage (43) is a PVC steel wire pipe.

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