CN208448560U

CN208448560U - It is a kind of novel with fast automatic variation rigidity swimming and diving flippers or bionic caudal fin

Info

Publication number: CN208448560U
Application number: CN201821118975.4U
Authority: CN
Inventors: 朱光
Original assignee: Individual
Current assignee: Individual
Priority date: 2018-07-14
Filing date: 2018-07-14
Publication date: 2019-02-01
Anticipated expiration: 2028-07-14

Abstract

The utility model discloses a kind of novel with fast automatic variation rigidity swimming and diving flippers or bionic caudal fin, including paddle blade and longitudinal keel, or including fin keel and longitudinal keel, positioned at the paddle blade, the upper surface of fin keel, at least one side in lower surface, or the region between the head and the tail of at least one longitudinal keel, rigidity equipped at least one is with fast self-checking device, the rigidity includes damping cylinder with fast self-checking device, connecting rod and hinged seat, damping cylinder, connecting rod and hinged seat are successively longitudinally arranged in paddle blade from front to back along the direction that swimmer advances, on fin keel or longitudinal keel, in the longitudinal side of the paddle blade or fin keel or the longitudinal keel at middle part at least one for rigidity with speed it is variable with fast automatic variation rigidity longitudinal keel, it is described that with speed, variation rigidity longitudinal keel inside is hollow Taper Pipe automatically, it is filled out in Taper Pipe Filled with non-newtonian fluid.

Description

It is a kind of novel with fast automatic variation rigidity swimming and diving flippers or bionic caudal fin

Technical field

The present invention relates to swimming devices and diving equipment industry, in particular to a kind of novel latent with fast automatic variation rigidity swimming Freight web or bionic caudal fin are used for swimming exercise, underwater swimming.

Background technique

Contemporary society, swimming exercise and underwater swimming are more more and more universal, and various swimming devices, diving equipment emerge one after another, It is the main driving tool to advance that most of swimming device and diving equipment, which are all with flippers, common are both feet and respectively wears one The double webs of both feet only and both feet wear one single web of both feet altogether, and there are also the bionic caudal fin that both feet wear one altogether, the double webs of both feet are trips Swimmer is kicked alternately the motive force for generating and advancing by both legs, and both feet list web and bionic caudal fin are that swimmer beats by the way that both legs are synchronous Aquatic products before death into motive force.

The either double webs of both feet, the single web of both feet or bionic caudal fin, there is its most suitable single frequency of fetching water, swimmer It is only fetched water with the frequency of fetching water, optimal propulsive force could be obtained；Speed is swum when swimmer wishes to change, such as with higher frequency Rate fetch water the fast trip of high speed or with lower frequency fetch water low speed swim slowly when, the efficiency of propulsion can decline, and especially work as swimming When person is fetched water with higher frequency, not only propulsive efficiency is not high, but also can generate feeling of fatigue quickly.

Summary of the invention

For the double webs of the main driving tool of current existing swimming device and diving equipment both feet, the single web of both feet and bionical Tail fin does not have preferably to solve obtain higher propulsive efficiency not in the case where two states are swum in the fast trip of high speed and low speed slowly Foot place, the present inventor combine human motion structure feature, by scientifically and rationally using ergonomics, provide a kind of novel It is novel with fast automatic variation rigidity swimming and diving flippers or imitative by this with fast automatic variation rigidity swimming and diving flippers or bionic caudal fin Raw tail fin, swimmer can be fetched water with higher frequency, and high speed is fast to swim, and the low speed that can also be fetched water with lower frequency is swum slowly, with Swim the variation of speed or the variation of swimmer's swinging kick frequency or swinging kick rate, the rigidity with fast self-checking device, with fast automatic It is curved that variation rigidity longitudinal keel can automatically adjust the novel longitudinal direction with fast automatic variation rigidity swimming and diving flippers or bionic caudal fin No matter stiffness fetches water under which kind of frequency, and swimmer can effectively improve the specific gravity of useful work, promotes trip to the maximum extent The advance efficiency and trip of swimming and diving are fast and save physical strength, give full play of the traveling potential of swimmer in water, are finally reached For a long time, the purpose that long range continuous high speed is cruised；Swimmer is cruised by speed change, can also be effectively reduced over long distances, it is long when Between the feeling of fatigue that generates when continuously cruising.

The present invention specifically uses following scheme:

It is a kind of novel with fast automatic variation rigidity swimming and diving flippers or bionic caudal fin, including paddle blade and longitudinal keel, or packet Fin keel and longitudinal keel are included, longitudinal keel is located in two longitudinal sides of paddle blade or fin keel or central region, or longitudinal dragon Bone is located in two longitudinal sides of paddle blade or fin keel simultaneously and central region, it is characterised in that: swimmer's prostrate shape in water Under state, at least one side in the paddle blade, the upper surface of fin keel, lower surface, or positioned at least one longitudinal keel Region between head and the tail, the rigidity equipped at least one is with fast self-checking device；Usually paddle blade, fin keel upper surface and under Surface, or above and below the longitudinal keel on the symmetrical longitudinally asymmetric center line for being located at paddle blade, fin keel, it is right Claim ground, be arranged in pairs 2 described in rigidity with fast self-checking device.The rigidity includes resistance with fast self-checking device Buddhist nun's cylinder, connecting rod and hinged seat, damping cylinder, connecting rod and hinged seat be successively longitudinally arranged from front to back along the direction that swimmer advances in In paddle blade, fin keel or longitudinal keel, damping cylinder and hinged seat are fixed on paddle blade, fin keel or longitudinal keel simultaneously, are damped Cylinder and hinged seat are coupled by connecting rod each other, and the connecting mode between damping cylinder and connecting rod, between connecting rod and hinged seat is equal For hinge-coupled mode, joined each other by articulated structure between damping cylinder and connecting rod, between connecting rod and hinged seat accordingly It connects；Damping cylinder includes cylinder barrel and piston, and for piston along the longitudinal axis longitudinal sliding motion of cylinder barrel in cylinder barrel, piston is two-stage multi-diameter shaft, Major diameter one end of multi-diameter shaft is piston only, and piston only forms longitudinal sliding motion cooperation, path one in cylinder barrel with inner wall of cylinder End be piston shaft, piston shaft along opposite direction, that is, rear of swimmer's direction of travel be pierced by cylinder barrel rear with outside piston shaft Diameter matches and oil-tight piston shaft lever hole, and O-ring annular groove can be also opened up at piston shaft lever hole and O-ring seal is housed, into One step prevents permeability, and rear end, that is, tail end of piston shaft is equipped with articulated structure, by the articulated structure by piston shaft and connecting rod Front end be connected, hinged specific structure mode includes but is not limited to the ball of common plane articulated manner, joint bearing type Face articulated manner, when using plane articulated manner, the front end of piston shaft and connecting rod offers the hinge for penetrating articulated shaft The other end, that is, the rear end in spindle hole, connecting rod also is provided with an articulated structure, will be after connecting rod by the articulated structure of the rod rear end End is connected with the hinged seat, and the hinged seat is fixed on paddle blade, the upper surface of fin keel, lower surface, or is fixed on Top, the lower section of longitudinal keel, hinged specific structure mode equally include but is not limited to common plane articulated manner, joint The spherical surface articulated manner of bearing-type, when using plane articulated manner, the follower head and hinged seat of connecting rod, which also offer, to be penetrated The hinged axis hole of another articulated shaft；It is opened up on the front/rear end of the piston only and is parallel to running through for cylinder barrel longitudinal axis The damping hole of at least one of piston only.Described one kind is novel with fast automatic variation rigidity swimming and diving flippers or bionic caudal fin Concrete type includes the single web of the double-legged both feet for wearing one altogether, the double-legged both feet pair webs for respectively wearing one, also includes that both feet wear one altogether Bionic caudal fin, further include variable tail fin, both feet list web, that is, dolphin web.

In the cylinder barrel of the damping cylinder, the front and back including piston only is filled with damping fluid or restraint gas, The damping fluid includes but is not limited to lubricating oil, hydraulic oil, brake fluid, lubricating fluid, and the restraint gas is including but not limited to lazy Property gas, air.

Under normal conditions, the end of the front end of the cylinder barrel, that is, swimmer's direction of travel front one end, offers and cylinder The threaded hole of the total longitudinal axis of cylinder is simultaneously equipped with adjusting plug screw；Plug screw will be adjusted and screw in deeper, damping fluid or damping gas in cylinder barrel Body is subject to bigger along the oppressive force of cylinder barrel longitudinal axis, described novel with fast automatic variation rigidity swimming and diving flippers or bionical The initial longitudinal bending stiffness of tail fin is bigger, conversely, then described novel with fast automatic variation rigidity swimming and diving flippers or bionical tail The initial longitudinal bending stiffness of fin is smaller, the i.e. default longitudinal bending stiffness of initial longitudinal bending stiffness.

Under normal conditions, the elastic element that longitudinal axis is total to cylinder barrel is also equipped in the cylinder barrel, in front of piston only, The elastic element is usually compressed spring, the both ends of elastic element, and front end withstands on the rear end face of plug screw, and rear end withstands on piston only Front end face；By plug screw screw in it is deeper, resisting medium, elastic element in cylinder barrel or both simultaneously be subject to along the cylinder barrel longitudinal axis The oppressive force in line direction is bigger, and the initial longitudinal bending stiffness with fast automatic variation rigidity longitudinal keel is bigger, conversely, then institute State, initial longitudinal bending stiffness i.e. default buckling smaller with the initial longitudinal bending stiffness of fast automatic variation rigidity longitudinal keel Rigidity.Resisting medium, that is, the damping fluid or restraint gas.

One layer of outer tube that longitudinal axis is total to damping cylinder can also be installed additional except the damping cylinder, outer tube replaces damping Cylinder is fixed with paddle blade, fin keel or longitudinal keel, i.e., damping cylinder is no longer directly contacted with paddle blade, fin keel or longitudinal keel, the housing The outer diameter of the cylinder barrel of the internal diameter and damping cylinder of pipe forms the surface that is slidably matched, and damping cylinder can slide longitudinally in outer tube, outside Casing is through-hole towards rear one end of swimmer's direction of travel, and in order to which damping cylinder to be put into, outer tube is towards front one end Closing, equipped with another elastic element for being total to longitudinal axis with damping cylinder, another elasticity member between the closed end and damping cylinder Part is generally also compressed spring, and front end face withstands on the inner face of outer tube, and rear end face withstands on the front end face of the cylinder sleeve of damping cylinder； Closed end in front of outer tube, which is also provided with, is total to another threaded hole of longitudinal axis with outer tube and equipped with another adjusting plug screw；It will Deeper, the compressing along outer tube longitudinal axis that another elastic element in outer tube is subject to that the adjusting plug screw screws in Power is bigger, and the novel initial longitudinal bending stiffness with fast automatic variation rigidity swimming and diving flippers or bionic caudal fin is bigger, instead It, then the novel initial longitudinal bending stiffness with fast automatic variation rigidity swimming and diving flippers or bionic caudal fin is smaller, initially The i.e. default longitudinal bending stiffness of longitudinal bending stiffness.

When swimmer swing it is described it is novel with fast automatic variation rigidity swimming and diving flippers or bionic caudal fin when, the paddle blade, Fin keel or longitudinal keel change in curved shape in the process up and down, pass through connecting rod and are pushed into or pull out the work in damping cylinder Plug forces damping fluid or restraint gas in cylinder barrel to pass through damping hole and flows, with the frequency or rate of swimmer's swinging kick Higher, damping fluid or restraint gas are higher across the rate of damping hole flowing, and damping effect is more obvious, and has cylinder barrel front end tune in addition Save elasticity member in the positive back pressure or outer tube front end adjusting plug screw and outer tube that elastic element provides in plug screw and cylinder barrel The positive back pressure that part provides, as the frequency or rate of swimmer's swinging kick are higher, the rigidity makes with fast self-checking device The ability that paddle blade, fin keel or longitudinal keel resist bending deformation up and down is stronger, a whole set of novel with fast automatic variation rigidity swimming and diving The longitudinal bending stiffness of flippers or bionic caudal fin is bigger, to improve trip speed and still maintain higher propulsion effect under height trip speed Rate；Conversely, the frequency or rate with swimmer's swinging kick are lower, the rigidity makes paddle blade, fin keel with fast self-checking device Or longitudinal keel resist bending deformation up and down ability it is weaker, it is a whole set of novel with fast automatic variation rigidity swimming and diving flippers or bionical The longitudinal bending stiffness of tail fin is smaller, to reduce trip speed and still maintain higher propulsive efficiency under low trip speed.

The longitudinal keel at least one can be for fast automatic variation rigidity longitudinal keel, described with speed, variation rigidity be vertical automatically It is hollow Taper Pipe inside to keel, non-newtonian fluid is filled in Taper Pipe, the longitudinal axis of the Taper Pipe is curve or straight line, is hung down It is directly noncircular or round in the Taper Pipe lumenal cross-section of the longitudinal axis of Taper Pipe, and each Taper Pipe lumenal cross-section perimeter is from swimmer Front one end of direction of travel is gradually reduced to rear one end of swimmer's direction of travel.

When swimmer swing it is described it is novel with fast automatic variation rigidity swimming and diving flippers or bionic caudal fin when, it is described with speed from Taper Pipe inside dynamic variation rigidity longitudinal keel is extruded during curved up and down, is bent, shears, and volume changes, Non-newtonian fluid in Taper Pipe is extruded, is bent, shears, and the frequency or rate of swimmer's swinging kick are higher, and non-newtonian fluid is squeezed Pressure, bending, the frequency of shearing or rate are higher, and damping effect is more obvious, as the frequency or rate of swimmer's swinging kick are higher, institute State it is bigger with the longitudinal bending stiffness of fast automatic variation rigidity longitudinal keel, thus improve trip speed and still maintained under height trip speed compared with High propulsive efficiency；It is described with fast automatic variation rigidity longitudinal keel conversely, the frequency or rate with swimmer's swinging kick are lower Longitudinal bending stiffness is smaller, to reduce trip speed and still maintain higher propulsive efficiency under ground trip speed.

The longitudinal keel of double-legged list web is usually left and right two, is located at the two of the left and right sides of the paddle blade of double-legged single web In longitudinal side, it is generally the case that two longitudinal keels are with fast automatic variation rigidity longitudinal keel；Bionic caudal fin is indulged Generally also it is left and right two to keel, is located in two longitudinal sides of the left and right sides of the fin keel of bionic caudal fin, usually In the case of, which is also with fast automatic variation rigidity longitudinal keel；The longitudinal direction of each flippers of double-legged double webs Keel are generally also left and right two, are located in two longitudinal sides of the left and right sides of each flippers of double-legged double webs, Under normal conditions, which is also with fast automatic variation rigidity longitudinal keel.Longitudinal side is longitudinal profile outer.

The variable tail fin includes main tail fin and is arranged in the left side being hinged at left and right sides of main tail fin and with main tail fin respectively Tail fin and right tail fin, main tail fin, left tail fin, right tail fin are parallel to each other and, main tail fin parallel with the water surface in waters locating for swimmer In addition left tail fin opens up variable area along with the fin exhibition variable-width or fin of right tail fin, the front end connection tail fin of main tail fin is fixed Bar, tail fin fixed link are fixed between the both legs of swimmer or between both feet, the left and right sides point of tail fin fixed link intermediate space 2 change fin pedals of swimmer or so foot She You not be fixed, 2 change fin pedals pass through respective articulated shaft respectively to be fixed with tail fin Bar is hinged respectively, 2 change fin pedals also respectively by respective linkage element and left tail fin, right tail fin realize it is ipsilateral couple or Heteropleural connection；Swimmer can realize that the variable tail fin of swing adjusts in the process by synchronous rotation ankle or asynchronous rotary ankle and can be changed The function of fin broadening degree or fin the developable surface product of tail fin, i.e. realization acceleration and deceleration function or turning function.The direction that swimmer advances is Front.Left tail fin includes the left longitudinal keel in the longitudinal side of left fin keel and the left-external side positioned at left fin keel, and right tail fin includes Right fin keel and the right longitudinal keel in the right lateral longitudinal side of right fin keel, it is generally the case that left longitudinal keel and the right side Longitudinal keel is with fast automatic variation rigidity longitudinal keel.Longitudinal side is longitudinal profile outer.

Alternatively, the variable tail fin include tail fin fixed link and be arranged at left and right sides of tail fin fixed link end and respectively with The left tail fin and right tail fin that tail fin fixed link is hinged, left tail fin and right tail fin are parallel to each other and the water with waters locating for swimmer Face is parallel, and left tail fin opens up variable area plus the fin exhibition variable-width or fin of right tail fin, and trip is fixed in the front end of tail fin fixed link Between the both legs of swimmer or between both feet, tail fin fixed link intermediate space is respectively arranged on the left side and the right side fixed swimmer or so foot 2 change fin pedals, 2 change fin pedals are hinged by respective articulated shaft and tail fin fixed link respectively respectively, and 2 change fins are stepped on Plate also realizes ipsilateral couple or heteropleural connection by respective linkage element and left tail fin, right tail fin respectively；Swimmer passes through same Step rotation ankle or asynchronous rotary ankle can realize fin broadening degree or the fin exhibition that variable tail fin adjusts variable tail fin in the process of swinging The function of area, i.e. realization acceleration and deceleration function or turning function.The direction that swimmer advances is front.Left tail fin includes left fin keel With the left longitudinal keel in the longitudinal side for the left-external side for being located at left fin keel, right tail fin includes right fin keel and positioned at the right side of right fin keel Right longitudinal keel in the longitudinal side in outside, it is generally the case that left longitudinal keel and right longitudinal keel are automatic to become with fast Rigidity longitudinal keel.Longitudinal side is longitudinal profile outer.

In the present invention, the production material with fast automatic variation rigidity longitudinal keel includes but is not limited to rubber, plastics, gathers Urethane, glass reinforced plastic, carbon fiber, Steel Thin-Wall, aluminium alloy, titanium alloy, thin-walled copper alloy, ceramics, tempered glass, bamboo and wood material or Buddhist nun Dragon, lightweight and high intensity, to meet the requirement of long-time, big load operation.

Make the paddle blade, the material of fin keel includes but is not limited to rubber, plastics, polyurethane, glass reinforced plastic, carbon fiber, thin Wall steel, aluminium alloy, titanium alloy, thin-walled copper alloy, ceramics, tempered glass, bamboo and wood material or nylon, lightweight and high intensity, to meet For a long time, the requirement of load operation greatly.Make the paddle blade, the material of fin keel may be in this section above-mentioned material it is two or more It is mutually compound or mutually be bonded made of material, i.e., by physical method synthesize material, such as paddle blade, fin keel can use liner glass The substrate of steel or carbon fiber, the mode that package pastes elastomer outside it are made.

Heretofore described fin broadening degree is analogous to the span-width of birds, and fin developable surface product is analogous to the span face of birds Product.

The present invention has the advantages that

1. one kind of the invention is novel with fast automatic variation rigidity swimming and diving flippers or bionic caudal fin, swimmer can with compared with High frequency is fetched water, and high speed is fast to swim, and the low speed that can also be fetched water with lower frequency is swum slowly, as the variation or swimmer of trip speed are put The variation of leg frequency or swinging kick rate, the rigidity can with fast self-checking device, with fast automatic variation rigidity longitudinal keel Automatically adjust it is novel with fast automatic variation rigidity swimming and diving flippers or the longitudinal bending stiffness of bionic caudal fin, no matter in which kind of frequency Under fetch water, swimmer can effectively improve the specific gravity of useful work, to the maximum extent promoted swimming and diving advance efficiency and Trip speed and saving physical strength, give full play of the traveling potential of swimmer in water, are finally reached long-time, long range continuous high speed The purpose cruised.

2. one kind of the invention is novel to pass through speed change with fast automatic variation rigidity swimming and diving flippers or bionic caudal fin, swimmer It cruises, the feeling of fatigue generated when long range can be effectively reduced, continuously cruising for a long time.

3. rigidity of the invention has simple structure, reliable operation, with fast automatic variation rigidity spy with fast self-checking device Property clear advantage, and easily facilitate preset longitudinal bending stiffness.

4. of the invention also have simple structure, reliable operation with fast automatic variation rigidity longitudinal keel, become rigid automatically with fast Spend characteristic clear advantage.

5. comprising rigidity with fast self-checking device and with described in fast automatic variation rigidity longitudinal keel while the present invention It is novel with fast automatic variation rigidity swimming and diving flippers or bionic caudal fin, not only have the advantages that structure simply, reliable operation, simultaneously It is more obvious with fast automatic variation rigidity characteristic.

6. structure of the invention is light and handy, reliable operation, corresponding manufacture craft is simple, low in cost, convenient for large-scale production With universal use.

Detailed description of the invention

Fig. 1 is that one kind comprising paddle blade and the longitudinal keel of left and right two of the invention is novel latent with fast automatic variation rigidity swimming The composed structure schematic diagram of freight web or bionic caudal fin.

In figure: 1, a kind of novel with fast automatic variation rigidity swimming and diving flippers or bionic caudal fin；101, paddle blade；102, longitudinal Keel.

Wherein two longitudinal keels 102 in left and right are with fast automatic variation rigidity longitudinal keel, in the Taper Pipe of inner hollow It is filled with non-newtonian fluid.

Specific embodiment

Specific embodiments of the present invention will be further explained with reference to the accompanying drawing:

As shown in Figure 1, one kind of the invention is novel with the fast composition of variation rigidity swimming and diving flippers or bionic caudal fin 1 automatically Structure mainly includes two longitudinal keels 102 of paddle blade 101 and left and right, wherein two longitudinal keels 102 in left and right are with fast automatic Variation rigidity longitudinal keel is filled with non-newtonian fluid in the Taper Pipe of inner hollow.

Specific embodiments of the present invention are as follows:

Embodiment one: as shown in Figure 1, one kind of the invention is novel with fast automatic variation rigidity swimming and diving flippers or bionical tail Fin 1 mainly includes two longitudinal keels 102 of paddle blade 101 and left and right.

One kind described in the present embodiment is novel with the fast concrete type of variation rigidity swimming and diving flippers or bionic caudal fin 1 automatically For the single web of both feet that both feet wear one altogether, both feet list web, that is, dolphin web.

One kind shown in Fig. 1 is novel, and with speed, variation rigidity swimming and diving flippers or bionic caudal fin 1 are the single web of both feet automatically, Longitudinal keel 102 is left and right two, is located in two longitudinal sides of the left and right sides of the paddle blade 101 of double-legged single web, should Two longitudinal keels 102 are to be filled with non-newtonian flow in the Taper Pipe of inner hollow with fast automatic variation rigidity longitudinal keel Body.

Swimmer can be fetched water with higher frequency, and high speed is fast to swim, and the low speed that can also be fetched water with lower frequency is swum slowly, with The variation of trip speed or the variation of swimmer's swinging kick frequency or swinging kick rate, it is described novel with fast automatic variation rigidity swimming and diving foot The bending stiffness with fast automatic variation rigidity longitudinal keel of web or bionic caudal fin 1 changes therewith, no matter under which kind of frequency It fetches water, swimmer can effectively improve the specific gravity of useful work, promote the advance efficiency and trip of swimming and diving to the maximum extent Speed and saving physical strength, give full play of the traveling potential of swimmer in water, are finally reached long-time, long range continuous high speed patrols The purpose of trip；Swimmer is cruised by speed change, the fatigue generated when long range can also be effectively reduced, continuously cruising for a long time Sense.

Embodiment two: one kind of the invention is novel with fast automatic variation rigidity swimming and diving flippers or bionic caudal fin 1, including web Plate 101 and longitudinal keel 102.

Longitudinally asymmetric center line of swimmer's prostrate in water under state, positioned at the upper surface of the paddle blade 101, lower surface On, symmetrically, be arranged in pairs 2 described in rigidity with fast self-checking device.The rigidity is with fast self-checking device Including damping cylinder, connecting rod and hinged seat, damping cylinder, connecting rod and hinged seat are successively longitudinal from front to back along the direction that swimmer advances Be arranged on the symmetrical longitudinally asymmetric center line of paddle blade 101, damping cylinder and hinged seat be fixed on simultaneously paddle blade 101 it On, damping cylinder and hinged seat are coupled by connecting rod each other, coupling between damping cylinder and connecting rod, between connecting rod and hinged seat Mode is hinge-coupled mode, passes through articulated structure between damping cylinder and connecting rod, between connecting rod and hinged seat accordingly It is coupled to each other；Damping cylinder includes cylinder barrel and piston, and for piston along the longitudinal axis longitudinal sliding motion of cylinder barrel in cylinder barrel, piston is two-stage rank Terraced axis, major diameter one end of multi-diameter shaft are piston only, and piston only forms longitudinal sliding motion cooperation in cylinder barrel with inner wall of cylinder, small Diameter one end is piston shaft, piston shaft is pierced by cylinder barrel rear along opposite direction, that is, rear of swimmer's direction of travel and piston shaft Bar outer diameter matches and oil-tight piston shaft lever hole, and O-ring annular groove is opened up at piston shaft lever hole and O-ring seal is housed, into One step prevents permeability, and rear end, that is, tail end of piston shaft is equipped with articulated structure, by the articulated structure by piston shaft and connecting rod Front end be connected, hinged specific structure mode be common plane articulated manner, the other end, that is, rear end of connecting rod also is provided with The rear end of connecting rod and the hinged seat are connected by one articulated structure by the articulated structure of the rod rear end, the hinge Joint chair is fixed on the upper surface of paddle blade 101, lower surface, and hinged specific structure mode is similarly common plane articulated manner； Opened up on the front/rear end of the piston only be parallel to cylinder barrel longitudinal axis through piston only and relative to piston sheet The centrosymmetric 2 isodiametric damping holes of body longitudinal axis.

In the cylinder barrel of the damping cylinder, the front and back including piston only is filled with damping fluid, the damping fluid For brake fluid.

In the end of the front end of the cylinder barrel, that is, swimmer's direction of travel front one end, offers and be total to longitudinal axis with cylinder barrel Threaded hole and equipped with adjust plug screw；Will adjust plug screw screw in it is deeper, the brake fluid in cylinder barrel be subject to along cylinder barrel longitudinal axis The oppressive force in direction is bigger, the novel initial buckling with fast automatic variation rigidity swimming and diving flippers or bionic caudal fin 1 Rigidity is bigger, conversely, then the novel initial buckling with fast automatic variation rigidity swimming and diving flippers or bionic caudal fin 1 is rigid Spend smaller, the i.e. default longitudinal bending stiffness of initial longitudinal bending stiffness.

The compressed spring that longitudinal axis is total to cylinder barrel is also equipped in the cylinder barrel, in front of piston only, compressed spring Both ends, front end withstand on the rear end face of plug screw, and rear end withstands on the front end face of piston only；By the deeper of plug screw screw-in, in cylinder barrel Both brake fluid, compressed spring be subject to simultaneously it is bigger along the oppressive force of cylinder barrel longitudinal axis, it is described novel to become with fast automatic The initial longitudinal bending stiffness of rigidity swimming and diving flippers or bionic caudal fin 1 is bigger, conversely, then described novel rigid with fast automatic change The initial longitudinal bending stiffness for spending swimming and diving flippers or bionic caudal fin 1 is smaller, and initial longitudinal bending stiffness is i.e. default longitudinal curved Stiffness.

When swimmer swing it is described it is novel with fast automatic variation rigidity swimming and diving flippers or bionic caudal fin 1 when, the paddle blade 101 change in curved shape in the process up and down, are pushed into or pull out the piston in damping cylinder by connecting rod, force in cylinder barrel Brake fluid pass through damping hole flow, the rigidity of side is drawn out with the piston of fast self-checking device, the other side it is rigid Degree is then pushed into the piston of fast self-checking device, and so on；As the frequency or rate of swimmer's swinging kick are higher, brake The rate that oil passes through damping hole flowing is higher, and damping effect is more obvious, and has cylinder barrel front end to adjust compression in plug screw and cylinder barrel in addition The positive back pressure that spring provides, as the frequency or rate of swimmer's swinging kick are higher, the rigidity makes with fast self-checking device Paddle blade 101 resist upper and lower bending deformation ability it is stronger, it is a whole set of novel with fast automatic variation rigidity swimming and diving flippers or bionical The longitudinal bending stiffness of tail fin 1 is bigger, to improve trip speed and still maintain higher propulsive efficiency under height trip speed；Conversely, As the frequency or rate of swimmer's swinging kick are lower, the rigidity with fast self-checking device make paddle blade 101 resist up and down it is curved The ability of song deformation is weaker, a whole set of novel with the fast longitudinal bending stiffness of variation rigidity swimming and diving flippers or bionic caudal fin 1 automatically It is smaller, to reduce trip speed and still maintain higher propulsive efficiency under low trip speed.

Embodiment three: one kind of the invention is novel with fast automatic variation rigidity swimming and diving flippers or bionic caudal fin 1, including fin Plate and longitudinal keel 102.

One kind described in the present embodiment is novel with the fast concrete type of variation rigidity swimming and diving flippers or bionic caudal fin 1 automatically For bionic caudal fin.

Swimmer's prostrate is arranged on the symmetrical longitudinally asymmetric center line for being located at fin keel in water under state Longitudinal keel is entreated, the intermediate region above and below central longitudinal keel symmetrically, is arranged in pairs described in 2 Rigidity is with fast self-checking device.The center longitudinal keel and it is located at two of the left and right sides of fin keel of bionic caudal fin 2 longitudinal keels 102 in longitudinal side are to be filled in the Taper Pipe of inner hollow with fast automatic variation rigidity longitudinal keel There is non-newtonian fluid.Longitudinal side is longitudinal profile outer.

The rigidity includes damping cylinder, connecting rod and hinged seat, damping cylinder, connecting rod and hinged seat edge with fast self-checking device The direction that swimmer advances successively is longitudinally arranged from front to back in central longitudinal keel, and damping cylinder and hinged seat are fixed simultaneously On central longitudinal keel, damping cylinder and hinged seat each other by connecting rod couple, between damping cylinder and connecting rod, connecting rod with Connecting mode between hinged seat is hinge-coupled mode, accordingly between damping cylinder and connecting rod, connecting rod and hinged seat it Between be coupled to each other by articulated structure；Damping cylinder includes cylinder barrel and piston, and piston is longitudinal along the longitudinal axis of cylinder barrel in cylinder barrel Sliding, piston are two-stage multi-diameter shaft, and major diameter one end of multi-diameter shaft is piston only, piston only in cylinder barrel with inner wall of cylinder shape Cooperate at longitudinal sliding motion, path one end is piston shaft, and piston shaft is pierced by along opposite direction, that is, rear of swimmer's direction of travel Cylinder barrel rear match with piston shaft outer diameter and oil-tight piston shaft lever hole, open up O-ring annular groove at piston shaft lever hole And O-ring seal is housed, permeability is further prevented, rear end, that is, tail end of piston shaft is equipped with articulated structure, passes through the hinged knot The front end of piston shaft and connecting rod is connected by structure, and hinged specific structure mode is common plane articulated manner, connecting rod The other end, that is, rear end also is provided with an articulated structure, by the articulated structure of the rod rear end by the rear end of connecting rod with it is described hinged Seat is connected, and the hinged seat is fixed on the top of central longitudinal keel, lower section, and hinged specific structure mode is similarly general Logical plane articulated manner；Opened up on the front/rear end of the piston only be parallel to cylinder barrel longitudinal axis through piston Ontology and relative to the centrosymmetric 2 isodiametric damping holes of piston only longitudinal axis.

In the cylinder barrel of the damping cylinder, the front and back including piston only is filled with restraint gas, the damping Gas is inert gas.

Installed one layer of outer tube that longitudinal axis is total to damping cylinder additional except the damping cylinder, outer tube replace damping cylinder with Central longitudinal keel is fixed, i.e., damping cylinder is no longer directly contacted with central longitudinal keel, the internal diameter of the outer tube and damping cylinder The outer diameter of cylinder barrel forms the surface that is slidably matched, and damping cylinder can slide longitudinally in outer tube, and outer tube is advanced towards swimmer The rear one end in direction is through-hole, and in order to which damping cylinder to be put into, outer tube is closed at one end towards front, in the closed end and resistance Equipped with the compressed spring for being total to longitudinal axis with damping cylinder between Buddhist nun's cylinder, front end face withstands on the inner face of outer tube, and rear end face is withstood on The front end face of the cylinder sleeve of damping cylinder；Closed end in front of outer tube is also provided with the threaded hole and dress that longitudinal axis is total to outer tube There is adjusting plug screw；By the adjusting plug screw screw in it is deeper, the compressed spring in outer tube be subject to along outer tube longitudinal axis The oppressive force in direction is bigger, the novel initial buckling with fast automatic variation rigidity swimming and diving flippers or bionic caudal fin 1 Rigidity is bigger, conversely, then the novel initial buckling with fast automatic variation rigidity swimming and diving flippers or bionic caudal fin 1 is rigid Spend smaller, the i.e. default longitudinal bending stiffness of initial longitudinal bending stiffness.

When swimmer swing it is described it is novel with fast automatic variation rigidity swimming and diving flippers or bionic caudal fin 1 when, the center Longitudinal keel changes in curved shape in the process up and down, is pushed into or pulls out the piston in damping cylinder by connecting rod, force Inert gas in cylinder barrel passes through damping hole and flows, and the rigidity of side is drawn out with the piston of fast self-checking device, separately The rigidity of side is then pushed into the piston of fast self-checking device, and so on；With the frequency or rate of swimmer's swinging kick Higher, the rate that inert gas passes through damping hole flowing is higher, and damping effect is more obvious, and has outer tube front end to adjust plug screw in addition The positive back pressure provided with compressed spring in outer tube, as the frequency or rate of swimmer's swinging kick are higher, the rigidity is with speed The ability that self-checking device makes central longitudinal keel resist bending deformation up and down is stronger, a whole set of novel with the automatic variation rigidity of speed The longitudinal bending stiffness of swimming and diving flippers or bionic caudal fin 1 is bigger, thus improve trip speed and height trip speed under still maintain compared with High propulsive efficiency；Conversely, the frequency or rate with swimmer's swinging kick are lower, the rigidity makes with fast self-checking device The ability that central longitudinal keel resists bending deformation up and down is weaker, a whole set of novel with fast automatic variation rigidity swimming and diving flippers or imitative The longitudinal bending stiffness of raw tail fin 1 is smaller, to reduce trip speed and still maintain higher propulsive efficiency under low trip speed.

The present embodiment is described due to simultaneously including rigidity with fast self-checking device and with fast automatic variation rigidity longitudinal keel It is novel with the more obvious with fast automatic variation rigidity characteristic of fast automatic variation rigidity swimming and diving flippers or bionic caudal fin 1.

Embodiment provided above is better embodiment of the invention, only is used to facilitate to illustrate the present invention, not to this hair Bright to make any form of restriction, any those of ordinary skill in the art is not departing from the proposed technology of the present invention In the range of feature, using the equivalent embodiment locally changed or modified made by disclosed technology contents, and not It is detached from technical feature content of the invention, in the range of still falling within the technology of the present invention feature.

Claims

1. a kind of novel with fast automatic variation rigidity swimming and diving flippers or bionic caudal fin (1), including paddle blade (101) and longitudinal keel (102), or including fin keel and longitudinal keel (102), longitudinal keel (102) is located at two longitudinal direction sides of paddle blade (101) or fin keel On side or central region, it is characterised in that: it is located at the paddle blade (101), the upper surface of fin keel, at least one side in lower surface, Or it is located at the region between the head and the tail of at least one longitudinal keel (102), the rigidity equipped at least one is automatically adjusted with speed Device, the rigidity include damping cylinder, connecting rod and hinged seat with fast self-checking device, and damping cylinder, connecting rod and hinged seat are along trip The direction that swimmer advances successively is longitudinally arranged from front to back in paddle blade (101), fin keel or longitudinal keel (102), damping cylinder and Hinged seat is fixed on paddle blade (101), fin keel or longitudinal keel (102) simultaneously, and damping cylinder and hinged seat are logical each other Connecting rod connection is crossed, the connecting mode between damping cylinder and connecting rod, between connecting rod and hinged seat is hinge-coupled mode, accordingly Be coupled to each other by articulated structure between damping cylinder and connecting rod, between connecting rod and hinged seat, described one kind it is novel with speed from The concrete type of dynamic variation rigidity swimming and diving flippers or bionic caudal fin (1) include both feet wear altogether one the single web of both feet, both feet it is each The double webs of both feet for wearing one, also include the bionic caudal fin that both feet wear one altogether, further include variable tail fin, both feet list web, that is, dolphin Web.

2. one kind according to claim 1 is novel with fast automatic variation rigidity swimming and diving flippers or bionic caudal fin (1), special Sign is: the longitudinal keel (102) at least one for fast automatic variation rigidity longitudinal keel, it is described with the automatic variation rigidity of speed It is hollow Taper Pipe inside longitudinal keel, is filled with non-newtonian fluid in Taper Pipe, the longitudinal axis of the Taper Pipe is curve or straight line, Taper Pipe lumenal cross-section perpendicular to the longitudinal axis of Taper Pipe is noncircular or round, and each Taper Pipe lumenal cross-section perimeter is swum certainly Front one end of person's direction of travel is gradually reduced to rear one end of swimmer's direction of travel.