CN220221096U - Underwater boosting device - Google Patents

Abstract

The utility model relates to an underwater boosting device, which comprises a power supply, a propeller and a waistband, wherein a rotatable connecting piece is arranged between the propeller and the power supply; the two propellers are oppositely distributed on two sides of the battery compartment and are respectively and movably connected with the left side and the right side of the battery compartment through rotatable connecting pieces, and the inner sides of the outer end parts of the two propellers are respectively provided with a waist belt groove; the waistband is of a split type structure and comprises a first waistband and a second waistband which are made of soft materials, wherein the first waistband and the second waistband are respectively used for penetrating through fixing rings on two propellers to form detachable connection with the propellers; the power supply and the rotatable connecting pieces and the propeller which are respectively and sequentially arranged on the two sides form a semi-annular main body, and the semi-annular main body is adapted to the waist of a human body. The underwater boosting device has the advantages of being quick and convenient to wear, good in flexibility, low in use cost and the like.

Description

Underwater boosting device

Technical Field

The utility model relates to the technical field of underwater boosting, in particular to an underwater boosting device.

Background

In the existing market, a wearable fixing device or a waist fixing ring is used as a wearing base, and then a propeller, a power supply and the like are respectively installed on the wearable fixing device or the waist fixing ring in an externally hung mode.

For example, CN217100428U, a chinese patent with the name of an underwater propulsion device, which mainly includes a wearable fixing device, a power source fixed at the upper rear part of the wearable fixing device, and a propeller fixed at two sides of the wearable device, wherein one side of the power source is connected with a control handle through a waterproof cable, and the other side of the power source is connected with the propeller through a waterproof cable. According to the underwater propulsion device, the power supply and the propeller are respectively arranged outside the wearing fixing device, so that the whole propulsion device is heavy and inconvenient to wear and use.

If the bulletin number is CN205469727U, the name is a portable waistband type propeller for underwater floating and diving single person, which mainly comprises a waistband for wearing on the waist of a human body, a buoyancy bin and two battery packs which are fixed at the rear part of the waistband, a propeller which is fixed at the front positions of the two sides of the waistband, and a controller and a display which are arranged at the front end of the waistband. The waistband of the portable waistband type propeller for the underwater floating and diving sheet is of a band-shaped structure, is a closed loop waistband, has light weight, and can lead the waistband to be pulled by fixing the battery pack and the propeller outside, so that the wearer of the waistband is uncomfortable.

The external fixing mode of the propeller and the power supply outside the wearable fixing device or the waist fixing ring/waistband is not beneficial to the integral coordination and consistency during the advancing of the body, and the external hanging propeller is exposed outside, so that the underwater advancing resistance is increased, and the propelling effect is influenced.

Disclosure of Invention

The underwater boosting device provided by the utility model is quick and convenient to wear, good in flexibility and low in use cost.

In order to achieve the above object, the following technical solutions are adopted.

The underwater boosting device comprises a power supply, two propellers and two waistbands, wherein a rotatable connecting piece is further arranged between each propeller and the power supply, the power supply comprises a battery compartment and a battery assembly arranged in the battery compartment, and the battery assembly is detachably connected with the battery compartment; the two propellers are oppositely distributed on two sides of the battery bin and are respectively and movably connected with the left side and the right side of the battery bin through rotatable connecting pieces, waist belt grooves are formed in the inner sides of the outer end parts of the two propellers, and the waist belt grooves and the propellers form a fixed ring together; the waistband is of a split type structure and comprises a first waistband and a second waistband which are made of soft materials, wherein the first waistband and the second waistband are adjustable waistbands, and the first waistband and the second waistband are respectively used for penetrating through fixing rings on two propellers to form detachable connection with the propellers; the power supply and the rotatable connecting pieces and the propeller which are respectively and sequentially arranged on two sides form a semi-annular main body, and the semi-annular main body is adapted to the waist of a human body.

Among the above-mentioned technical scheme, adopt the power to place in the middle, but the both sides of power are connected the propeller through rotatable connecting piece respectively, but the waistband groove connection on passing the propeller respectively through two adjustable waistbands of rethread, make power, propeller and waistband form annular main part together, and the propeller can have the rotation activity space of certain angle relative to the power, adopt this technical scheme to dress booster unit at human waist, propeller and power also regard as the part of annular main part, it is fast, convenient that it dresses, and effectively solved propeller and power in the prior art and hung the problem that the underwater resistance that causes in waist pusher or waistband outside in addition, effectively reduce the resistance of water, whole advancing device laminating human waist installation, stability is better, it is more nimble to use. The power supply mainly comprises a battery compartment and a battery assembly, the battery assembly is detachably connected with the battery compartment, the whole power supply is not required to be replaced when the electric quantity of the battery is insufficient or the battery is damaged, and only the battery assembly in the battery compartment is required to be replaced, so that the problem that the whole power supply is required to be detached due to the battery problem is avoided, the cost is effectively saved, and the operation is greatly facilitated; the power supply is placed in a middle way, two sides of the power supply are connected with the propeller through rotatable connecting pieces, and the rotatable connecting pieces are arranged and are detachably connected with the battery compartment and the propeller respectively; the outer tip waistband groove's of propeller setting constitutes the solid fixed ring together with the propeller for supply the waistband to pass, in this scheme, the waistband is the split type structural design that mainly comprises first waistband and the second waistband of making by the soft material, and after its first waistband and second waistband passed the solid fixed ring of both sides propeller outer tip respectively, both ends respectively correspond respectively and to dismantle the connection, and it is more nimble for current fixing clip advancing type mechanical waistband, and application range is wider, does not have the easy corrosion of mechanical waistband and appears connecting the difficult condition moreover.

Further, the propeller comprises a propeller shell and a boosting structure, the propeller shell comprises an upper shell and a lower shell, the upper part and the lower part of the boosting structure are respectively connected with the upper shell and the lower shell in a clamping mode, and the top end and the bottom end of the boosting structure are respectively detachably connected with a water inlet shield and a water outlet shield.

In the technical scheme, the propeller comprises the propeller shell, and the propeller shell is used for placing the propeller boosting structure in the propeller shell, so that the problem that the propeller in the prior art is exposed outside to increase underwater forward resistance is avoided, the resistance of the propeller in the propelling process is effectively reduced, and the propelling effect of the propeller is improved; the upper part and the lower part of the boosting structure are respectively connected with the upper shell and the lower shell of the propeller shell in a clamping way, so that the installation of the boosting structure is facilitated; the water inlet shield and the water outlet shield at the top end and the bottom end of the boosting structure are detachably connected with the boosting structure respectively, so that the boosting structure is convenient to install and replace.

Further, the boosting structure comprises a duct and a propeller positioned in the duct, a gap smaller than 1mm is reserved between the outer edge of the propeller and the inner face of the duct, a motor is installed in the duct, and the propeller is fixed on an output shaft of the motor.

In the technical scheme, the propeller is driven by the motor to rotate, and the gap between the propeller and the inner surface of the duct is smaller than 1mm, so that the gap is smaller, the thrust of the boosting structure can be improved, and the rotating efficiency of the blade is further improved.

Further, the inner surface of the duct is an arc surface, and the diameter of the duct at the position corresponding to the propeller is smaller than that of the inlet end and the outlet end of the duct.

Among the above-mentioned technical scheme, the duct internal surface adopts the arcwall face design that business turn over end diameter is big, and the intermediate diameter is little, makes behind the water entering paddle, flows into the water outlet through the biggest portion of arc, effectively promotes water velocity and efficiency, and then promotes the promotion efficiency of propeller.

Further, the propeller consists of a propeller cap and three blades uniformly distributed on the outer periphery of the propeller cap, the blades are spirally arranged on the outer periphery of the propeller cap, and the cross section of each blade is in a wing shape with thick middle and thin two sides.

In the technical scheme, the blade adopts the wing modeling structure with the thick middle and the thin two sides, compared with the blade with the flat plate structure in the prior art, the blade with the wing modeling structure has larger blade power, and further the whole propeller has better propulsion effect.

Further, the water inlet side and the water outlet side of the blade are arc-shaped sides, and the arc-shaped curvature of the water outlet side is larger than that of the water inlet side.

In the technical scheme, the design of the arc water inlet edge and the arc water outlet edge is more beneficial to water inlet and water outlet; the structural design that the arc curvature of the water outlet side is greater than that of the water inlet side makes the contact area of the water inlet side and water of the paddle bigger, when the paddle is driven by the motor to rotate, the water inlet quantity of the paddle is greater than the water outlet quantity, the rotating power of the paddle is promoted, and then the propulsion effect of the propeller is effectively promoted.

Further, the rotatable connecting piece comprises a propeller connecting piece and a battery bin connecting piece, the propeller connecting piece and the battery bin connecting piece are rotatably connected through a rotating shaft, the outer end of the propeller connecting piece is detachably connected with a propeller shell on the propeller in a plug-in mode, and the outer end of the battery bin connecting piece is detachably connected with the battery bin in a plug-in mode.

In the technical scheme, the propeller connecting piece is rotationally connected with the battery compartment connecting piece, so that the propellers at the two sides of the power supply can be rotationally adjusted relative to the power supply, and compared with the traditional method of connecting and adjusting the propellers and the battery compartment by adopting the telescopic pipe, the propeller connecting piece is convenient to operate, wide in application range, applicable to people with different physique, and stable in rotatable connection adjustment; the propeller connecting piece is detachably connected with the propeller shell in a plug-in mode, the outer end of the battery bin connecting piece is detachably connected with the battery bin in a plug-in mode, installation and replacement are convenient, flexibility is higher, and use cost is effectively reduced.

Further, the telescopic silica gel sleeve is sleeved at the joint of the propeller connecting piece and the battery compartment connecting piece, and two ends of the telescopic silica gel sleeve are respectively in sealing connection with the propeller shell and the battery compartment.

In the above technical scheme, the setting of telescopic silica gel cover for protection propeller connecting piece and battery compartment connecting piece can ensure the flexibility of the relative power activity of propeller, simultaneously, makes the connection between power and the propeller form sealing connection, ensures the water-proof effects of the power of propeller.

Further, the battery compartment comprises a battery compartment body and a battery compartment base, wherein the upper part of the battery compartment body is provided with a battery component mounting groove, the lower part of the battery compartment body is provided with a sealing compartment mounting groove, a battery component detachably connected with the battery component mounting groove is arranged in the battery component mounting groove, and a sealing compartment structure is arranged in the sealing compartment mounting groove.

Among the above-mentioned technical scheme, battery pack mounting groove's on battery compartment body setting for with battery pack demountable installation in battery pack mounting groove, battery compartment body lower part seal storehouse mounting groove's setting for with seal storehouse structure installation in seal storehouse mounting groove, the design of two parts about in the battery compartment body makes battery pack and seal storehouse structure install respectively in battery compartment internal upper portion and lower part, and this structure not only sets up rationally, makes power overall structure compact, occupation space is little, has add seal storehouse structure moreover, ensures the sealing performance of power, and then effectively ensures the life of power, reduces use cost.

Further, seal storehouse structure includes seal storehouse upper cover and seal storehouse bottom, be equipped with the PCBA control panel between seal storehouse upper cover and the seal storehouse bottom, be equipped with female socket of battery, a plurality of wiring female seat and low electric quantity vibrating motor on the PCBA control panel, seal storehouse upper cover top central point puts and is equipped with the convex sleeve that makes progress, seal storehouse upper cover still is equipped with a plurality of public the inserting of wiring that stretches into seal storehouse upper cover and wiring female seat needle-type connection, all be equipped with the seal groove more than one on female socket of battery, wiring female seat, the public inserting of wiring and the sleeve, seal storehouse upper cover still is equipped with the tip seal groove with the public position of inserting of wiring, all be equipped with the sealing washer in seal groove and the tip seal groove.

In the technical scheme, the sealing grooves on the wiring male plug and the wiring female seat are arranged, so that a plurality of sealing structures are formed by the connection between the wiring male plug and the wiring female seat and the upper cover of the sealing bin; the sealing bin upper cover is provided with an end sealing groove positioned outside the outer circumference of the wiring male plug, so that sealing connection is formed between the sealing bin upper cover and a joint sealing cover positioned on the wiring male plug, and the sealing performance and effect of the junction of the wiring are ensured; the central position of the top of the upper cover of the sealing bin is provided with a sleeve protruding upwards and used for sleeving the battery assembly, and the joint of the sleeve and the battery assembly is formed by arranging an external sealing groove of the sleeve; the PCBA control board is provided with a battery female socket at a position corresponding to the sleeve, and a sealing groove is arranged on the battery female socket, so that the battery female socket is in sealing connection with the sleeve when extending into the sleeve; according to the technical scheme, the outer circumference of the wiring plug and the top of the wiring plug are respectively in sealing connection, and meanwhile, the battery power supply connection part is in double sealing connection through the inside and the outside of the sleeve, so that the sealing performance of the sealing bin structure is better realized, and the sealing effect of the sealing bin structure is ensured.

Compared with the prior art, the underwater boosting device has the following beneficial effects:

firstly, the power supply is placed in the middle, two sides of the power supply are respectively connected with the propeller through the rotatable connecting pieces, and finally, the two adjustable waistbands are respectively connected through the waistband grooves on the propeller, so that the power supply, the propeller and the waistbands form an annular main body together, the propeller can have a certain angle of rotating activity space relative to the power supply, the booster is worn on the waist of a human body, the propeller and the power supply are also used as a part of the annular main body, the wearing is quick and convenient, the problem that the underwater resistance caused by the fact that the propeller and the power supply are hung outside the waist pushing device or the waistbands in the prior art is effectively solved, the water resistance is effectively reduced, the whole propulsion device is attached to the waist of the human body, the stability is better, and the use is more flexible;

secondly, the use cost is low, the power supply mainly comprises a battery compartment and a battery assembly, the battery assembly is detachably connected with the battery compartment, the whole power supply is not required to be replaced when the battery is insufficient or damaged, and only the battery assembly in the battery compartment is required to be replaced, so that the problem that the whole power supply is required to be disassembled due to the battery problem is avoided, the cost is effectively saved, and the operation is greatly facilitated;

third, application range is wide, the outer tip waistband groove's of propeller setting constitutes solid fixed ring together with the propeller for supply the waistband to pass, in this scheme, the waistband is the split type structural design that mainly comprises first waistband and the second waistband of soft material, after its first waistband and second waistband passed the gu fixed ring of the outer tip of both sides propeller respectively, both ends respectively correspond respectively and to dismantle the connection, its is more nimble for current fixed card advancing type mechanical waistband, its operation, application range is wider, does not have the easy corrosion of mechanical waistband to appear connecting the difficult condition moreover.

Drawings

FIG. 1 is a perspective view of an underwater boosting device of the present utility model;

FIG. 2 is a perspective view of a main body portion of the underwater power assist device of the present utility model without a waistband;

FIG. 3 is a perspective view of the propeller of FIG. 1;

FIG. 4 is an exploded view of the propeller of FIG. 1;

FIG. 5 is an exploded view of the propeller of FIG. 4 without the housing;

FIG. 6 is a perspective view of the boosting structure of the propeller of FIG. 4;

FIG. 7 is a top view of the boosting structure of the propeller of FIG. 4;

FIG. 8 is a cross-sectional view A-A of FIG. 7;

FIG. 9 is a perspective view of the propeller of FIG. 6;

FIG. 10 is a top view of the propeller of FIG. 6;

FIG. 11 is a perspective view of the rotatable connection of FIG. 1;

FIG. 12 is an exploded view of the rotatable connection of FIG. 1;

FIG. 13 is a perspective view of the power supply of FIG. 1;

FIG. 14 is an exploded view of the power supply of FIG. 1;

FIG. 15 is a perspective view of the seal cartridge structure of FIG. 14;

fig. 16 is an exploded view of the seal cartridge structure of fig. 14.

Detailed Description

The underwater boosting device of the utility model will be described in further detail with reference to specific embodiments and drawings.

Referring to fig. 1 to 3 and 11, in a non-limiting embodiment of the present utility model, an underwater boosting device includes a power source 100, a propeller 300 and a waistband 400, wherein the propeller 300 and the waistband 400 are two, a rotatable connection member 200 is further disposed between the propeller 300 and the power source 100, wherein the power source 100 includes a battery compartment 110 and a battery assembly 120 disposed in the battery compartment 110, and the battery assembly 120 is detachably connected with the battery compartment 110; the number of the two propellers 300 is two, the two propellers 300 are relatively distributed on two sides of the battery compartment 110 and are respectively movably connected with the left side and the right side of the battery compartment 110 through rotatable connecting pieces 200, waistband slots 3121 are respectively arranged on the inner sides of the outer end parts of the two propellers 300, and the waistband slots 3121 and the propellers 300 form a fixed ring together; the waistband 400 is in a split structure, and comprises a first waistband 410 and a second waistband 420 which are made of soft materials, wherein the first waistband 410 and the second waistband 420 are both adjustable waistbands, and the first waistband 410 and the second waistband 420 are respectively used for penetrating through fixing rings on the two propellers 300 to form detachable connection with the propellers 300; the power supply 100 and the rotatable connection 200 and the propeller 300 which are sequentially arranged at both sides respectively form a semi-annular main body, and the semi-annular main body is adapted to the waist of a human body. In this embodiment, the power supply 100 is centrally disposed, two sides of the power supply 100 are respectively connected with the propeller 300 through the rotatable connecting piece 200, and finally two adjustable waistbands respectively pass through the waistband slots 3121 on the propeller 300 to be connected, so that the power supply 100, the propeller 300 and the waistband 400 form an annular main body together, the propeller 300 can have a rotation activity space with a certain angle relative to the power supply 100, by adopting the technical scheme, the booster device is worn on the waist of a human body, the propeller 300 and the power supply 100 are also used as a part of the annular main body, the wearing is quick and convenient, the problem of large underwater resistance caused by the fact that the propeller 300 and the power supply 100 are hung outside the waist pushing device or the waistband 400 in the prior art is effectively solved, the water resistance is effectively reduced, the whole propulsion device is mounted in a manner of being attached to the waist of the human body, the stability is better, and the use is more flexible. The power supply 100 mainly comprises a battery compartment 110 and a battery assembly 120, the battery assembly 120 is detachably connected with the battery compartment 110, the whole power supply 100 is not required to be replaced when the battery is insufficient or damaged, and only the battery assembly 120 in the battery compartment 110 is required to be replaced, so that the problem that the whole power supply 100 is required to be detached due to the battery problem is avoided, the cost is effectively saved, and the operation is greatly facilitated; the power supply 100 is placed in a middle position, two sides of the power supply are connected with the propeller 300 through the rotatable connecting piece 200, and the rotatable connecting piece 200 is arranged and is detachably connected with the battery compartment 110 and the propeller 300 respectively, so that the power supply is convenient to install, strength support is provided for the battery compartment 110 and the propeller 300, and the power supply is used for connecting the propeller 300 and the battery compartment 110, so that the propeller 300 can perform rotary motion relative to the battery compartment 110, and the semi-annular main body is better in flexibility of adapting to the waist of a human body; the outer end belt slot 3121 of the propeller 300 is arranged to form a fixed ring together with the propeller 300 for the belt 400 to pass through, in this scheme, the belt 400 is designed as a split belt 400 mainly composed of a first belt 410 and a second belt 420 made of soft materials, after the first belt 410 and the second belt 420 respectively pass through the fixed rings at the outer ends of the propellers 300 at two sides, the two ends respectively correspond to the detachable connection, and compared with the prior fixed clamping mechanical belt 400, the operation is more flexible, the application range is wider, and the condition that the mechanical belt 400 is easy to corrode and has difficult connection is avoided.

Referring to fig. 1 to 3, in a non-limiting embodiment of the present utility model, the propeller 300 includes a propeller housing 310 and a boosting structure 320, the propeller housing 310 includes an upper case 311 and a lower case 312, the upper and lower parts of the boosting structure 320 are respectively coupled to the upper case 311 and the lower case 312 in a snap-fit manner, and the top and bottom ends of the boosting structure 320 are detachably coupled to a water inlet shroud 330 and a water outlet shroud 340, respectively. In this embodiment, the propeller 300 includes a propeller housing 310, and the propeller housing 310 is configured to place the boosting structure 320 of the propeller 300 in the propeller housing 310, so that the problem that the propeller 300 is exposed to the outside to increase the underwater forward resistance in the prior art is avoided, the resistance of the propeller 300 in the propelling process is effectively reduced, and the propelling effect of the propeller 300 is improved; the propeller shell 310 adopts a split structure formed by an upper shell 311 and a lower shell 312, and the upper part and the lower part of the boosting structure 320 are respectively connected with the upper shell 311 and the lower shell 312 of the propeller shell 310 in a clamping way, so that the installation of the boosting structure 320 is convenient, and when the propeller shell is installed, one end of the boosting structure 320 can be firstly clamped with the upper shell 311 or the lower shell 312 for installation, and then the other end of the boosting structure is installed conveniently and rapidly; the water inlet shield 330 and the water outlet shield 340 at the top and bottom ends of the boosting structure 320 are detachably connected with the boosting structure 320, respectively, so that the boosting structure 320 is convenient to install and replace.

Referring to fig. 3 to 7, in a non-limiting embodiment of the present utility model, the boosting structure 320 includes a duct 321 and a propeller 322 located in the duct 321, a gap smaller than 1mm is left between an outer edge of the propeller 322 and an inner surface of the duct 321, a motor 323 is installed in the duct 321, and the propeller 322 is fixed on an output shaft of the motor 323. In this embodiment, the propeller 322 is driven to rotate by the motor 323, and the clearance between the propeller 322 and the inner surface of the duct 321 is smaller than 1mm, so that the clearance is smaller, the thrust of the boosting structure 320 can be improved, and the rotation efficiency of the blade 3222 can be further improved.

Referring to fig. 3 to 7, in a non-limiting embodiment of the present utility model, the inner surface of the duct 321 is an arc surface, and the diameter of the duct 321 corresponding to the propeller 322 is smaller than the diameter of the duct 321 at the inlet end and the outlet end of the duct 321. In this embodiment, the inner surface of the duct 321 adopts an arc surface design with a large diameter at the inlet and outlet ends and a small diameter at the middle, so that water flows into the outlet end through the arc highest part after entering the blade 3222, thereby effectively improving the water flow speed and efficiency, and further improving the pushing efficiency of the propeller 300.

Referring to fig. 8 and 9, in a non-limiting embodiment of the present utility model, the propeller 322 is composed of a cap 3221 and three paddles 3222 uniformly distributed on the outer circumference of the cap 3221, the paddles 3222 are spirally disposed on the outer circumference of the cap 3221, and the cross section of the paddles 3222 is in a wing shape with a thick middle and thin two sides. In this embodiment, the blade 3222 adopts a wing-shaped structure with a thick middle and thin two sides, which is compared with the blade 3222 with a flat plate structure in the prior art, and the blade 3222 of the wing-shaped structure has larger power, so that the whole propeller 300 has better propulsion effect.

Referring to fig. 8 and 9, in a non-limiting embodiment of the present utility model, the water inlet side 3223 and the water outlet side 3224 of the paddle 3222 are arc sides, and the arc curvature of the water outlet side 3224 is greater than the arc curvature of the water inlet side 3223. In this embodiment, the design of the arc water inlet edge 3223 and the arc water outlet edge 3224 is more beneficial to water inlet and water outlet; the structural design that the arc curvature of the water outlet edge 3224 is greater than that of the water inlet edge 3223 makes the contact area of the water inlet edge 3223 of the paddle 3222 and water bigger, when the motor 323 drives the paddle 3222 to rotate, the water inflow of the paddle 3222 is greater than the water outflow, the rotation power of the paddle 3222 is improved, and then the propulsion effect of the propeller 300 is effectively improved.

Referring to fig. 1, 10 and 11, in a non-limiting embodiment of the present utility model, the rotatable connector 200 includes a propeller connector 210 and a battery compartment connector 220, the propeller connector 210 and the battery compartment connector 220 are rotatably connected through a rotation shaft 240, an outer end of the propeller connector 210 is detachably connected to a propeller housing 310 on the propeller 300 in a plug-in manner, and an outer end of the battery compartment connector 220 is detachably connected to the battery compartment 110 in a plug-in manner. In this embodiment, the propeller connector 210 and the battery compartment connector 220 are rotatably connected, so that the propellers 300 on two sides of the power supply 100 can be rotatably adjusted relative to the power supply 100, and the operation is convenient, the application range is wide, and the propeller connector is applicable to people with different physique; the propeller connector 210 is detachably connected with the propeller shell 310 in a plug-in mode, the outer end of the battery compartment connector 220 is detachably connected with the battery compartment 110 in a plug-in mode, installation and replacement are convenient, flexibility is higher, and use cost is effectively reduced.

Referring to fig. 1, 10 and 11, in a non-limiting embodiment of the present utility model, a telescopic silica gel sleeve 230 is sleeved at the connection between the propeller connector 210 and the battery compartment connector 220, and two ends of the telescopic silica gel sleeve 230 are respectively connected with the propeller housing 310 and the battery compartment 110 in a sealing manner. In this embodiment, the arrangement of the telescopic silica gel sleeve 230 is used for protecting the propeller connector 210 and the battery compartment connector 220, so as to ensure the flexibility of the propeller 300 in moving relative to the power supply 100, and simultaneously, the connection between the power supply 100 and the propeller 300 forms a sealing connection, so as to ensure the waterproof effect of the power supply 100 of the propeller 300.

Referring to fig. 1, 12 and 13, in a non-limiting embodiment of the present utility model, the battery compartment 110 includes a battery compartment body 111 and a battery compartment base 112, a battery component mounting groove 1111 is formed at an upper portion of the battery compartment body 111, a sealing compartment mounting groove 1112 is formed at a lower portion of the battery compartment body 111, a battery component 120 detachably connected to the battery component mounting groove 1111 is mounted in the battery component mounting groove 1111, and a sealing compartment structure 113 is disposed in the sealing compartment mounting groove 1112. In this embodiment, the battery assembly mounting groove 1111 on the upper portion of the battery compartment body 111 is configured to detachably mount the battery assembly 120 in the battery assembly mounting groove 1111, and the seal compartment mounting groove 1112 on the lower portion of the battery compartment body 111 is configured to mount the seal compartment structure 113 in the seal compartment mounting groove 1112, and the design of the upper and lower portions in the battery compartment body 111 is configured to separate the battery assembly 120 and the seal compartment structure 113 from each other, so that the battery assembly 120 and the seal compartment structure 113 are mounted on the upper and lower portions in the battery compartment body 111, and the structure is not only reasonable in arrangement, so that the overall structure of the power supply 100 is compact, the occupied space is small, but also the seal compartment structure 113 is additionally provided, the sealing performance of the power supply 100 is ensured, the service life of the power supply 100 is effectively ensured, and the use cost is reduced.

Referring to fig. 1, 12 to 15, in a non-limiting embodiment of the present utility model, the seal bin structure 113 includes a seal bin upper cover 1 and a seal bin bottom cover 2, the seal bin upper cover 1 and the seal bin bottom cover 2 are connected in a sealing manner by a seal bin sealing ring 14, a PCBA control board 3 is disposed between the seal bin upper cover 1 and the seal bin bottom cover 2, a battery female socket 4, a plurality of wiring female sockets and a low-power vibration motor 10 are disposed on the PCBA control board 3, a silica gel heat conducting fin 12 and a heat radiating fin 13 are sequentially disposed between the PCBA control board 3 and the seal bin bottom cover 2 from top to bottom, a sleeve 11 protruding upwards is disposed at a central position of a top of the seal bin upper cover 1, a plurality of wiring male sockets extending into the seal bin upper cover 1 and connected with the wiring female sockets in a pin-plug manner are disposed on the seal bin upper cover 1, and more than one seal grooves are disposed on the battery female socket 4, the wiring female sockets, the wiring male sockets and the sleeve 11. Specifically, the outer circumference of the sleeve 11 is provided with two fourth sealing grooves 18, and the outer circumference of the battery female socket 4 is provided with two third sealing grooves 17; the plurality of wiring female seats respectively comprise a 3P female seat and a 2P female seat, the number of the 3P female seats and the 2P female seats is two, the battery female sockets 4 are used as centers and are symmetrically distributed on the PCBA control board 3, and the outer circumferences of the 3P female seats and the 2P female seats are respectively provided with a first sealing groove 16; the plurality of wiring male plugs comprise two 3P male plugs corresponding to the 3P female seats and two 2P male plugs corresponding to the 2P female seats, two second sealing grooves 15 are respectively arranged on the outer circumferences of the 3P male plugs and the 2P male plugs, and mounting holes 20 for the wiring female seats and the wiring male plugs to extend into are arranged on the upper cover 1 of the sealing bin; the position of the upper cover 1 of the sealing bin, which corresponds to the wiring male plug, is also provided with an end sealing groove 19, and sealing rings are arranged in the fourth sealing groove 18 to the second sealing groove 15 and the end sealing groove 19. In the embodiment, the central position of the top of the sealing cabin upper cover 1 is provided with the sleeve 11 protruding upwards, the outer part of the sleeve is used for sleeving a battery assembly, the inner part of the sleeve is used for sleeving a battery female socket 4, and particularly, the battery assembly and the battery female socket 4 are in pin-plug connection, and the connection mode is rapid and convenient to operate; the fourth sealing groove 18 is arranged on the outer circumference of the sleeve 11, so that a sealing structure is formed at the joint of the sleeve 11 and the battery assembly; the arrangement of the third sealing groove 17 on the outer circumference of the battery female socket 4 enables the battery female socket 4 to form a sealing structure at the joint of the sleeve 11 and the sleeve 11, and the arrangement of the sealing grooves on the outer circumference of the sleeve 11 and the battery female socket 4 enables the sealing bin structure 113 to form sealing connection with the battery component, so that the sealing performance of the battery is ensured, and in sum, the arrangement of the third sealing groove 17 on the outer circumference of the battery female socket 4 and the fourth sealing groove 18 on the outer circumference of the sleeve 11 enables the battery component to form double sealing through the inner side and the outer side of the sleeve 11 when being connected with the sealing bin structure, and the sealing performance and the sealing effect of the connection of the battery component and the sealing bin structure are effectively ensured. The arrangement of the first sealing grooves 16 on the outer circumferences of the 3P female seat and the 2P female seat and the arrangement of the second sealing grooves 15 on the outer circumferences of the 3P male plug and the 2P male plug ensure that the outer circumferences of the wiring female seat and the wiring male plug are in sealing connection with the upper cover of the sealing cabin at the corresponding mounting holes 20 on the upper cover of the sealing cabin after the wiring female seat and the wiring male plug are in pin-plug connection, so that the sealing performance of wiring is ensured; the sealing bin upper cover 1 and the joint sealing cover positioned on the wiring male plug are in sealing connection by arranging the end sealing grooves 19 at the positions corresponding to the wiring male plug, so that the sealing performance and the sealing effect of the wiring connection position of the sealing bin structure are ensured.

In the description of the present utility model, it should be understood that the terms such as "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

The foregoing examples are merely exemplary embodiments of the present utility model, which are described in more detail and are not to be construed as limiting the scope of the utility model. It should be noted that modifications and improvements can be made by those skilled in the art without departing from the spirit of the utility model, and that these obvious alternatives fall within the scope of the utility model.

Claims (10)

1. The utility model provides an under water boosting device, includes power, propeller and waistband, its characterized in that: the number of the propeller and the waistband are two, a rotatable connecting piece is also arranged between the propeller and the power supply, wherein,

the power supply comprises a battery compartment and a battery assembly arranged in the battery compartment, and the battery assembly is detachably connected with the battery compartment;

the two propellers are oppositely distributed on two sides of the battery bin and are respectively and movably connected with the left side and the right side of the battery bin through rotatable connecting pieces, waist belt grooves are formed in the inner sides of the outer end parts of the two propellers, and the waist belt grooves and the propellers form a fixed ring together;

the waistband is of a split type structure and comprises a first waistband and a second waistband which are made of soft materials, wherein the first waistband and the second waistband are adjustable waistbands, and the first waistband and the second waistband are respectively used for penetrating through fixing rings on two propellers to form detachable connection with the propellers;

the power supply and the rotatable connecting pieces and the propeller which are respectively and sequentially arranged on two sides form a semi-annular main body, and the semi-annular main body is adapted to the waist of a human body.

2. The underwater power assist device as defined in claim 1, wherein the propeller comprises a propeller housing and a power assist structure, the propeller housing comprises an upper shell and a lower shell, the upper part and the lower part of the power assist structure are respectively connected with the upper shell and the lower shell in a clamping manner, and the top end and the bottom end of the power assist structure are respectively detachably connected with a water inlet shield and a water outlet shield.

3. The underwater boosting device as claimed in claim 2 wherein the boosting structure comprises a duct and a propeller positioned in the duct, a gap smaller than 1mm is reserved between the outer edge of the propeller and the inner face of the duct, a motor is installed in the duct, and the propeller is fixed on an output shaft of the motor.

4. The underwater power assisting device as in claim 3, wherein the inner surface of the duct is an arc surface, and the diameter of the duct at the position corresponding to the propeller is smaller than the diameter of the duct at the inlet end and the outlet end of the duct.

5. The underwater boosting device according to claim 3, wherein the propeller comprises a propeller cap and three blades uniformly distributed on the outer periphery of the propeller cap, the blades are spirally arranged on the outer periphery of the propeller cap, and the cross section of each blade is in a wing shape with a thick middle and thin two sides.

6. The underwater power assisting device as in claim 5, wherein the water inlet side and the water outlet side of the blade are both arc-shaped sides, and the arc-shaped curvature of the water outlet side is greater than the arc-shaped curvature of the water inlet side.

7. The underwater power assist device as in any of claims 1-6, wherein the rotatable connection comprises a propeller connection and a battery compartment connection, the propeller connection and the battery compartment connection being rotatably connected by a rotation shaft, an outer end of the propeller connection being removably connected with a propeller housing on the propeller in a plug-in manner, an outer end of the battery compartment connection being removably connected with the battery compartment in a plug-in manner.

8. The underwater power assisting device as claimed in claim 7, wherein a telescopic silica gel sleeve is sleeved at the joint of the propeller connecting piece and the battery compartment connecting piece, and two ends of the telescopic silica gel sleeve are respectively connected with the propeller shell and the battery compartment in a sealing manner.

9. The underwater boost device of any one of claims 1 to 6 wherein the battery compartment comprises a battery compartment body and a battery compartment base, wherein the upper portion of the battery compartment body is a battery component mounting groove, the lower portion of the battery compartment body is a sealing compartment mounting groove, a battery component detachably connected with the battery component mounting groove is mounted in the battery component mounting groove, and a sealing compartment structure is disposed in the sealing compartment mounting groove.

10. The underwater boosting device according to claim 9, wherein the sealing bin structure comprises a sealing bin upper cover and a sealing bin bottom cover, a PCBA control board is arranged between the sealing bin upper cover and the sealing bin bottom cover, a battery female socket, a plurality of wiring female seats and a low-power vibration motor are arranged on the PCBA control board, a sleeve protruding upwards is arranged at the top of the sealing bin upper cover, a plurality of wiring male plugs extending into the sealing bin upper cover and connected with the wiring female seats in a pin inserting mode are further arranged on the sealing bin upper cover, more than one sealing grooves are formed in the battery female socket, the wiring female seats, the wiring male plugs and the sleeve, end sealing grooves are further formed in positions, corresponding to the wiring male plugs, of the sealing bin upper cover, and sealing rings are arranged in the sealing grooves and the end sealing grooves.