CN109045632A - Manual driving device for swimming - Google Patents

Abstract

The invention discloses a kind of manual driving device for swimming, including propeller (4), for providing the kickboard (1) of buoyancy, the handle (2) reciprocally swung and transmission assembly (3) that a pair is driven by hands grasping, the transmission assembly (3) and kickboard (1) are fixedly mounted, the transmission assembly (3) includes shell, transmission gear, input shaft and output shaft, the propeller (4) is fixedly mounted on the output shaft of transmission assembly, handle (2) is connected by a 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), use process does not need binding connection, 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 revolving speed, and continuous in one direction can uninterruptedly rotate, to provide lasting propulsive force.

Description

Manual driving device for swimming

The application be application No. is the Chinese invention patent of 201410305158.X (applying date: 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 drives spiral shell by swimmer Rotation paddle wheel makes the propulsion device that swimmer moves about forward in water.

Background technique

Swimming is one kind on the water by floating of relying on oneself, and moves the technical ability of advance in water by means of the movement of itself limbs, is male One of the sports items that the old children of female likes, but swimming skills are expertly grasped, a long-term training process is needed, is adjusted 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 usage 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 movement drives propeller rotational, so that swimmer be promoted to move about forward.

Foregoing invention has the following deficiencies: that (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, and causing propeller practical is intermittent rotation, and is stopped operating in propeller Period, be not only unable to speedup, but also will increase the resistance of forward slip.

Summary of the invention

The object of the present invention is to provide a kind of manual driving device for swimming, are operated by hands grasping handle, and use process is not Need to bundle connection.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 revolving speed, and continuous in one direction can uninterruptedly rotate, to provide lasting Propulsive force.

In order to solve the above technical problems, the technical solution adopted by the present invention are as follows: 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, transmission gear, input shaft and output shaft, described Propeller is fixedly mounted on the output shaft of speed changer, and handle is connected by a hinge with case of transmission, and the handle is toward physical pendulum The dynamic input shaft rotation for driving speed changer.

Above scheme makes swimmer by both hands driving handle, and drives propeller rotational, provides propulsive force, by floating The buoyancy that plate provides, facilitates swimmer and keeps balancing in water, and be exposed at head on the water surface, speed changer tooth Multi-change speed is taken turns, so that the revolving 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, One 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 is overlapped, 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 is overlapped, 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 be overlapped, 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 in it is driven on transmission input shaft Gear engagement.

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 during the swing, manual driving device for swimming integrally keeps balancing, described two handles it is 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 transmission assembly and its propeller are with respect to two during two handles of manipulation are swung It keeps stablizing in the symmetrical center line of a handle.It avoids swinging in use process.

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

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

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

Detailed description of the invention

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

Fig. 1 is schematic perspective view of the invention.

Fig. 2 is main view of the invention.

Fig. 3 is left view of the 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 embodiment

Manual driving device for swimming as shown in Figures 1 to 3 reciprocally swings hand including the kickboard 1 for providing buoyancy, an a pair 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, the transmission assembly 3 includes bracket, the driven gear 31, the first tooth that three pieces of support plates 32 are 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 Stating second gear 34 is duplicate gear, 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 revolving speed of input shaft 36 by two stage speed change, drives spiral Paddle rotation, generates propulsive force.

As shown in figure 4, the support plate 32 of the handle 2 and transmission assembly 3 is hinged, hinge joint is in same level It on line, but is not overlapped, two hinge joints are spaced a distance, and are fixedly installed fan close to one end of hinge joint in handle 2 Shape gear 21, the axis of sector gear 21 and the rotation axis coincident of handle 2, 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 in use process.

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 is overlapped, 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 guarantees to rotate in input shaft 36 in locked direction 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 axis of wheel 22 and the rotation axis coincident of handle 2.Two power input gears 22 are meshed with two driven gears 31 respectively.

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

Application method and working 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 by handle 2 arm of swimmer, 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, to drive driven 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 rotation, 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, by the speed change of multiple groups gear, so that propeller 4 is able to maintain higher revolving speed.To swimming While person is provided to buoyancy, the forward propulsion of a continuous action can be also generated, 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 is overlapped, the assembly of driving gear 51 and ratchet 52 can opposite handle 2 rotate, pawl 53, pawl are set on handle 2 53 cooperate with ratchet 52, and when assembly, rotate freely direction (the opposite direction locking) of two ratchets 53 is required unanimously.

The embodiment, which can reach, implements identical effect with the first, 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 use 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, also can be made tubular.

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 reversing mechanism is arranged between output gear shaft 35 and propeller 4 by resistance.

The reversing mechanism, which can be, installs bevel gear for 35 end of output gear shaft, and increases 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 for being 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: further include for providing the kickboard of buoyancy (1), a pair of handle (2) reciprocally swung and transmission assembly (3) driven by hands grasping, the transmission assembly (3) it is fixedly mounted with kickboard (1), the transmission assembly (3) includes shell, transmission gear, input shaft and output shaft, the spiral shell Rotation paddle (4) is fixedly mounted on the output shaft of transmission assembly, and handle (2) is connected by a hinge with case of transmission, the hand Handle (2) reciprocally swinging drives the input shaft rotation of speed changer；A unidirectional continuous driving is equipped between the handle (2) and input shaft Dynamic device；The unidirectional Continuous Drive device includes two power input gears (22), two driven gears (31) and two lists To bearing (37), a unilateral bearing (37) is installed in each driven gear (31), two driven gear (31) sets is packed into defeated Enter axis (36), so that the axis of two driven gears (31) is overlapped with the axis of input shaft (36), two unilateral bearings (37) Non-return rotation direction is consistent, and described two power input gears (22) are respectively and fixedly installed to the hinged end of two handles (2), and And the axis of power input gear (22) and corresponding handle (2) rotation axis coincident, two power input gears (22) are respectively It is engaged with corresponding driven gear (31)；The hinge joint of described two handles (2) is spaced a distance, and in two handles (2) two sector gears (21) are respectively set in hinged end, and sector gear (21) and handle (2) are relatively fixed, two sectors Take turns (21) intermeshing；The handle (2) is horizontal positioned, and commutation is arranged between output gear shaft (35) and propeller (4) Mechanism；The reversing mechanism includes being mounted on output gear shaft (35) end bevel gear and reversing shaft, one end of reversing shaft and spiral shell Rotation paddle is fixedly connected, and bevel gear is arranged in the other end, which engages with the bevel gear for being mounted on gear shaft end.

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

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

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