CN108786029A - Manual driving device for swimming - Google Patents

Abstract

The invention discloses a kind of manual driving device for swimming, including propeller (4), kickboard (1) for providing buoyancy, the handle (2) reciprocally swung and transmission assembly (3) that a pair is driven by hands grasping, the transmission assembly (3) is fixedly mounted with kickboard (1), the transmission assembly (3) includes shell, change gear, input shaft and output shaft, the propeller (4) is fixedly mounted on the output shaft of transmission assembly, handle (2) is connected through the hinge with case of transmission, handle (2) reciprocally swinging drives the input shaft rotation of speed changer.The present invention is operated by hands grasping handle (2), connection need not be bundled using process, device itself is capable of providing buoyancy, swimming beginner can be helped to swim on the water surface, it is suitble to swimming beginner to use, propeller can reach ideal rotating speed, and continuous in one direction can uninterruptedly rotate, to provide lasting propulsive force.

Description

Manual driving device for swimming

The application is the Chinese invention patent (applying date application No. is 201410305158.X：On 06 30th, 2014, specially Sharp title：Manual driving device for swimming) divisional application.

Technical field

The present invention relates to a kind of auxiliary instrument for swimming training with propeller, specifically one kind driving spiral shell by swimmer Rotation paddle wheel makes the propulsion device that swimmer moves about forward in water.

Background technology

Swimming is that one kind is floated by relying on oneself on the water, moves the technical ability of advance in water by means of the action of itself limbs, is man One of the sports items that the old children of female likes, but swimming skills are expertly grasped, it needs, there are one long-term training process, to adjust Discovery is looked into, in Mass Swimming shop, the swimming people of skill and few can be grasped consummately, most people can only be stood shallow Pool, or floated on the water surface by swim ring, the enjoyment moved about in water can not be experienced, and if learning swimming skill Can, the time generally taken is longer, therefore many people abandon.

Chinese patent (CN102553176B) discloses a kind of mechanical underwater manual propeller, and device setting first connects Bar and second connecting rod, first connecting rod and second connecting rod drive propeller rotational, and the occupation mode that file provides is by first connecting rod It is bundled on shank and thigh with second connecting rod, propeller is located at the outside of knee joint, is stretched by the bending of shank and thigh Exhibition action drives propeller rotational, to promote swimmer to move about forward.

Foregoing invention has the following defects：(1) device is bundled in leg, if using the linkage of rigidity, it can shadow Ring the comfort level of leg, poor operability；If, will certainly because connecting rod is as power input module using connecting rod flexible Influence the stability of whole device.(2) main function of the device is speedup of swimming, and is only applicable to skillfully grasp swimming The crowd of technical ability uses, and is not appropriate for beginner.(3) motive force that propeller provides depends on the diameter of propeller and with second The transmission ratio of gear and transition gear.Directly increase the diameter of propeller or the transmission ratio of second gear and transition gear, all can The increase for causing volume and quality, influences using effect.(4) first connecting rod and second connecting rod surround hinge joint reciprocally swinging, make Propeller shaft forward and reverse alternate rotation is obtained, when leg has been bent in order to prevent, propeller is reversed by power transmission, invention A unidirectional flywheel is arranged in people on propeller shaft, causes propeller practical and is rotated to be intermittent, and stops operating in propeller Period, be not only unable to speedup, but also will increase the resistance of forward slip.

Invention content

The object of the present invention is to provide a kind of manual driving device for swimming, are operated by hands grasping handle, not using process Binding is needed to connect.Device itself is capable of providing buoyancy, swimming beginner can be helped to swim on the water surface, and suitable swimming is begun to learn Person uses, and propeller can reach ideal rotating speed, and continuous in one direction can uninterruptedly rotate, lasting to provide Propulsive force.

In order to solve the above technical problems, the technical solution adopted by the present invention is：A kind of manual driving device for swimming, including spiral Paddle, the kickboard for providing buoyancy, a pair of handle reciprocally swung and transmission assembly driven by hands grasping, it is described Transmission assembly and kickboard are fixedly mounted, and the transmission assembly includes shell, change gear, input shaft and output shaft, described Propeller is fixedly mounted on the output shaft of speed changer, and handle is connected through the hinge with case of transmission, and the handle is toward physical pendulum The dynamic input shaft rotation for driving speed changer.

Said program makes swimmer by both hands driving handle, and drives propeller rotational, provides propulsive force, by floating The buoyancy that plate provides, contributes to swimmer to keep balancing in water, and head is allow to be exposed on the water surface, speed changer tooth Take turns multi-change speed so that the rotating speed of propeller increases, to enhance propulsion effect.

In order to enable propeller continuous rotation in the same direction, one is arranged between the handle and input shaft unidirectionally Continuous Drive device.

The unidirectional Continuous Drive device includes two power input gears, two driven gears and two unilateral bearings, A unilateral bearing is installed in each driven gear, two driven gear sets are packed into transmission input shaft so that two driven The axis of gear is overlapped with the axis of transmission input shaft, and the non-return rotation direction of two unilateral bearings is consistent, described two dynamic Power input gear is respectively and fixedly installed to the hinged end of two handles, and the axis of power input gear is revolved with corresponding handle Shaft axis overlaps, and two power input gears are engaged with corresponding driven gear respectively.

Another scheme, the unidirectional Continuous Drive device include two driving gears, two ratchets, two pawls and one A driven gear, the driven gear are fixedly mounted on the input shaft of speed changer, the axis of driven gear and the axis of input shaft Line overlaps, and driving gear is fixedly connected with the coaxial ratchet heart, the rotation of the axis and handle of the assembly of driving gear and ratchet Axis overlap, and the assembly of driving gear and ratchet can opposite handle rotation, pawl, pawl and ratchet are set on handle Cooperation, two ratchets are freely rotatable that direction is identical, two driving gears be arranged on transmission input shaft it is driven Gear engages.

Above two scheme may be implemented handle and swing repeatedly in a certain range, drive propeller towards same direction Continuous uninterrupted rotation.

In order to make handle in swing process, manual driving device for swimming integrally keeps balancing, and described two handles are hinged Point is spaced a distance, and two sector gears, sector gear and handle phase is respectively set in the hinged end of two handles To fixation, two sector gear intermeshings.

Above-mentioned balance mechanism so that during two handles of manipulation are swung, transmission assembly and its propeller are with respect to two It keeps stablizing in the symmetrical center line of a handle.It avoids swinging during use.

The beneficial effects of the present invention are：(1) it is operated by hands grasping handle, connection need not be bundled using process, It is simple to operate.

(2) buoyancy provided by kickboard, can help swimming beginner to swim on the water surface, and subsequently to move about forward Basis is provided, low to swimmer's skill set requirements, applicable object is in extensive range.

(3) transmission assembly, by multi-stage gear speed change, the high speed that the low speed oscillations of handle are converted to propeller is revolved Turn, to provide enough propulsive forces.

(4) the unidirectional Continuous Drive device between handle and transmission input shaft is set, the reciprocal fortune of handle can be made Turn is changed to propeller unidirectionally uninterruptedly rotary motion, uninterruptedly provides propulsive force, avoids dead stick and bring Resistance.

Description of the drawings

The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.

Fig. 1 is the dimensional structure diagram of the present invention.

Fig. 2 is the front view of the present invention.

Fig. 3 is the left view of the present invention.

Fig. 4 is the schematic diagram of power input portion of the present invention.

Fig. 5 is the configuration schematic diagram of transmission parts of the present invention.

Fig. 6 is the decomposition texture schematic diagram of power input part and transmission parts.

Fig. 7 is the power input structure schematic diagram of another embodiment.

In figure：1-kickboard；2-handles；3-transmission assemblies；4-propellers；21-sector gears；22-power are defeated Enter gear；31-driven gears；32-support plates；33-first gears；34-second gears；35-output gear shafts；36— Input shaft；37-unilateral bearings；38-axle sleeves；51-driving gears；52-ratchets；53-pawls.

Specific implementation mode

Manual driving device for swimming as shown in Figures 1 to 3, including the kickboard 1 of an offer buoyancy, a pair reciprocally swing hand Handle 2, transmission assembly 3 and propeller 4, the transmission assembly 3 are fixedly mounted on the lower section of kickboard 1.

As shown in figure 5, holder, driven gear 31, the first tooth that the transmission assembly 3, which includes three pieces of support plates 32, to be constituted Wheel 33, second gear 34, output gear shaft 35, input shaft 36, unilateral bearing 37 and axle sleeve 38, the output gear of transmission assembly 3 The end of wheel shaft 35 is fixedly connected by axle sleeve 38 with propeller 4.Input shaft 36 with first gear 33 is concentric is fixedly connected, institute It is duplicate gear to state second gear 34, and first gear 33, second gear 34 and output gear shaft 35 constitute the master of transmission assembly Body variable part is exported by output gear shaft 35 after expanding the rotating speed of input shaft 36 by two stage speed change, drives spiral Paddle rotates, and generates propulsive force.

As shown in figure 4, the handle 2 and the support plate 32 of transmission assembly 3 are hinged, hinge joint is in same level On line, but and it is misaligned, two hinge joints are spaced a distance, and fan is fixedly installed close to one end of hinge joint in handle 2 Shape gear 21, the rotation axis coincident of the axis and handle 2 of sector gear 21, and two sector gears 21 are in the swing of handle Intermeshing is kept in amplitude, it is therefore intended that, during manipulating two swings of handles 2, transmission assembly 3 and its propeller 4 It keeps stablizing in the symmetrical center line of opposite two handles 2, avoids swinging during use.

As shown in fig. 6, there are two driven gear 31, two driven gears, 31 sets of loading input shafts for setting on input shaft 36 36, axis overlaps, and a unilateral bearing 37 is respectively provided between each driven gear 31 and input shaft 36, unilateral bearing 37 is A kind of bearing that can be freely rotated, and lock in the other directions in one direction.Two unilateral bearings 37 can be free The direction of rotation is consistent (opposite non-return rotation direction is also consistent), and ensures to rotate in locked direction in input shaft 36 It is rotated forward with propeller consistent.

As shown in Figures 4 and 5, one end of the close hinge joint of handle 2 is provided with power input gear 22, power inputs tooth The rotation axis coincident of the axis and handle 2 of wheel 22.Two power input gears 22 are meshed with two driven gears 31 respectively.

Two power input gears 22 are to be swung within the scope of certain angle, therefore can be made into sector in actual work, Have no effect on use.

Application method and operation principle are as follows：Swimmer's body is immersed in the water, and both hands grip two of propeller respectively Handle 2 since kickboard 1 can provide certain buoyancy, and is transmitted to the arm of swimmer by handle 2, and swimming beginner can be with By the buoyancy of kickboard, its head is made to be unlikely to submerged in water, there is function identical with common kickboard, in addition to this, trip Swimmer outwardly or inwardly alternately exerts oneself, and drives two handles to open or be closed, since the sector gear 21 of 2 end of handle is mutually nibbled It closes, transmission assembly 3 and its propeller 4 are avoided and swung with respect to stabilization is kept in the symmetrical center line of two handles 2. In the process of opening and the process of closure, the direction of rotation of power input gear 22 can change handle 2, driven to drive Gear 31 also changes, but the direction of rotation of two power input gears 22 in left and right remains non-uniform, i.e., to opposite Both direction rotates, the direction of rotation of former and later two driven gears 31 also remain it is non-uniform, because of the inside of driven gear 31 It is provided with unilateral bearing, therefore, two driven gears 31 rotated round about drive input shaft 36 to list with alternating One direction continuous rotation, passes through the speed change of multigroup gear so that propeller 4 can keep higher rotating speed.To swimming While person is provided to buoyancy, the forward propulsion of a continuous action is also will produce, swimmer is driven to move about forward.

Above-mentioned unilateral bearing 37 can also be replaced with unidirectional flywheel.To provide higher torque.

Fig. 7 gives the embodiment of another power input mode, in the above scheme, if it is for sports etc., single It may be not enough to provide enough torques to bearing 37, influence service life, then following proposal can be used.

The unilateral bearing 37 and power input gear 22 between driven gear 31 and input shaft 36 are removed, driven tooth will be removed Wheel 31 with input shaft 36 is concentric is fixedly connected, setting driving gear 51 and ratchet 52, driving gear 51 in the hinged end of handle 2 For all gear, and ratchet 52 is concentric is fixedly connected, the rotation of the axis and handle 2 of the assembly of driving gear 51 and ratchet 52 Shaft axis overlaps, the assembly of driving gear 51 and ratchet 52 can opposite handle 2 rotate, pawl 53, pawl are set on handle 2 53 coordinate with ratchet 52, and when assembly, the direction (negative direction locking) that rotates freely of two ratchets 53 requires unanimously.

The embodiment can reach with the first identical effect of implementation, only with dual pawl mechanism replace two unidirectionally Bearing role, it is therefore intended that increase torque, principle is identical as the first embodiment, no longer applies and states.

Existing polyethylene foam sheet in the market can be used in the kickboard 1, or uses the hollow polybag of inflatable.Also may be used It is replaced using other objects with floatation characteristic.

Reduce 1 buoyancy of kickboard by way of reducing the volume of kickboard 1 or reducing aeration quantity, making to swim manually promotes Device can suspend in water, then can use under water, be suitable for diving fan and used as underwater propeller.

In order to improve the safety used, should can be used for reference existing in 4 periphery setting protective cover (not shown) of propeller Protective cover of electric fan, tubular can also be made.

In order to control action is converted to horizontal plane from perpendicular, or reduce 3 part of propeller transmission assembly Handle 2 can be horizontally arranged, and changement is arranged between output gear shaft 35 and propeller 4 by resistance.

The changement can bevel gear be installed in 35 end of output gear shaft, and increase reversing shaft, reversing shaft One end is fixedly connected with propeller, and bevel gear is arranged in the other end, which engages with the bevel gear mounted on gear shaft end, To achieve the purpose that commutation.

Disclosed above is only specific implementation of the patent example, but this patent is not limited to this, for the general of this field For logical technical staff, without departing from the principle of the present invention, the deformation made should be regarded as belonging to the scope of the present invention.

Claims (4)

1. a kind of manual driving device for swimming, including propeller（4）, it is characterised in that：It further include the kickboard for providing buoyancy （1）, a pair of handle reciprocally swung for passing through hands grasping and driving（2）And transmission assembly（3）, the transmission assembly （3）With kickboard（1）It is fixedly mounted, the transmission assembly（3）Including shell, change gear, input shaft and output shaft, the spiral shell Revolve paddle（4）It is fixedly mounted on the output shaft of transmission assembly, handle（2）It is connected through the hinge with case of transmission, the hand Handle（2）Reciprocally swinging drives the input shaft rotation of speed changer；The handle（2）Unidirectional continuous driving there are one being set between input shaft Dynamic device；The unidirectional Continuous Drive device includes two driving gears（51）, two ratchets（52）, two pawls（53）With one A driven gear（31）, the driven gear（31）It is fixedly mounted on input shaft（36）On, driven gear（31）Axis with it is defeated Enter axis（36）Axis overlap, driving gear（51）With ratchet（52）It is concentric to be fixedly connected, driving gear（51）With ratchet （52）Assembly axis and handle（2）Rotation axis coincident, and the assembly of driving gear and ratchet can be with respect to hand Handle rotates, in handle（2）Upper setting pawl（53）, pawl（53）With ratchet（52）Cooperation, two ratchets（52）Can freely revolve It is identical to turn direction, two driving gears（51）With the driven gear that is arranged on transmission input shaft（31）Engagement；Described two A handle（2）Hinge joint be spaced a distance, and in two handles（2）Hinged end two sector gears are respectively set （21）, sector gear（21）With handle（2）It is relatively fixed, two sector gears（21）Intermeshing.

2. manual driving device for swimming according to claim 1, it is characterised in that：The kickboard（1）For polyethylene foam sheet.

3. manual driving device for swimming according to claim 1, it is characterised in that：The kickboard（1）The hollow plastics of inflatable Bag.

4. manual driving device for swimming according to claim 1, it is characterised in that：The propeller（4）Periphery setting protection Cover.