CN201055642Y

CN201055642Y - Auxiliary device for swim

Info

Publication number: CN201055642Y
Application number: CNU200720119947XU
Authority: CN
Inventors: 刘小明
Original assignee: Individual
Current assignee: Individual
Priority date: 2007-04-30
Filing date: 2007-04-30
Publication date: 2008-05-07
Anticipated expiration: 2017-04-30

Abstract

The utility model relates to a swimming aid, which comprises a couple of blades and a couple of foot coverings which are in symmetry arrangement. The blade is half-moon-shape. The inner side edge of the blade is straight; the middle of the inner side edge concaves inwards to form an arc and arches upwards to form a heave part. A first blade is movably connected with a second blade. One ends of the foot coverings are connected with the first blade and the second blade. The swimming aid of the utility model overcomes the problems of the prior art that the structure of the product is complicated, the practicality is not high and the prior art is limited by the sport types and the use methods. The use method of the utility model is simple and has no difference with ordinary swimming, with the stretching out and drawing back of lower limbs, the size of the force in the movement is changed by using the opening and the closing of the two blades; so the swimming speed and the floating force are improved. The utility model has high entertainment and can increase the interest of swimming.

Description

The swimming assistor

Technical field

The utility model belongs to the sports apparatus field, relates to a kind of swimming equipment, relates in particular to a kind of swimmer's of being used for lower limb and can increase along with the flexible change of limbs is stressed, to improve the swimming auxiliary appliance of trip speed or buoyancy.

Background technology

Swimming is the motion that people like, the swimming equipment also has a lot, at present except the flippers of diving usefulness, other swimming equipment such as lifebuoy, life vest etc. all exist certain use limitation, and user's range of movement is subjected to certain restriction and can not really experiences the enjoyment of swimming; The limitation of flippers is that its using method is fishtail type swing, is mainly used in diving, and sole is tied to pin down and is difficult to deal with accident.

What have in addition is exactly the special-purpose exercising auxiliary device material that is used for beginner or swimming instruction again, this type of auxiliary appliance mainly is to be used for floating or increasing buoyancy, provide swimmer's health part or several sections to finish effect motionless or that part is motionless, make the swimmer attentively experience required skill when whole the moving about and temper its muscular strength to reach.This class specific aim is stronger, and is recreational relatively poor, inapplicable substantially general swimmer.

And, go for technology skilful person's complementary apparatus again promptly applicable to the beginner, then rarely have introduction especially.Although the zl88211547.2 utility model patent once disclosed the auxiliary palama of a kind of swimming, it comprises that one is attached on swimmer's limbs, particularly can be respectively between upper limbs forearm attached to human body, the flexible palama of lower limb shank internode, and some guarantee the elastic ribbon net and the securing member of its coupling operation function, or set up on it to produce the predetermined lightweight tension composite of drawing shape in that stretches rectangular etc., and numerous effective design instantiations is arranged; Recreational stronger.But should swimming assist palama, complex structure, though go for all swimmers, effect in actual applications is unsatisfactory, so be difficult to popularize.

From the above, a kind of action faster, in water that the people that is good at swimming can be swum of exploitation is more random; Can help the beginner again, the swimming auxiliary appliance that makes it can grasp the swimming skill quickly is necessary.

Summary of the invention

The purpose of this utility model is in order to solve above shortcomings in the prior art, a kind of swimmer's of being used for lower limb are provided, not limited by using method, range of movement, only need along with lower limb are flexible, reach the purpose that improves trip speed or buoyancy, be implemented in the swimming auxiliary appliance light or latent or trip in the water.

For reaching the swimming assistor that above-mentioned purpose proposes, comprise symmetrically arranged a pair of blade, footmuff, wherein said first blade and second blade all are the first quarter moon shape, and the middle part indent of described blade linear medial margin is an arc, and the formation lug boss that upwards arches upward; Flexibly connect between described first blade and second blade; Described footmuff one end is connected with second blade with described first blade.

Described footmuff is to be connected with two retaining pieces of the junction of second blade by being arranged on described first blade.

Described first blade is connected by first rotating shaft, second rotating shaft respectively with the medial margin of second blade.

Described two retaining pieces are connected with second rotating shaft with described first rotating shaft respectively.

Described first blade and second blade are hinged.

Be connected by Hinge mechanism between described first blade and second blade.

Described two retaining pieces are connected with described hinge respectively.

When described first blade and second blade are in open mode, first general ellipse of the common formation of the first lug boss medial margin and the second lug boss medial margin; Be in when closing up state, first lug boss and second lug boss surround and form second a general ellipse, and second ellipse is a bit larger tham first ellipse.

The beneficial effects of the utility model: overcome product structure complexity in the prior art, practicality is not high, and moved or the problem of using method restriction, swimming assistor of the present utility model, using method is simple, and there is no different with at ordinary times swimming, only be flexible along with lower limb, utilize the folding of two blades to change stressed size in the motion, reached raising swimming rate and buoyancy function, have very high recreationally, improved the enjoyment of swimming.

Description of drawings

Fig. 1 is the open mode front view of the utility model swimming assistor;

Fig. 2 is the open mode left view of the utility model swimming assistor;

Fig. 3 is the open mode vertical view of the utility model swimming assistor;

Fig. 4 be the utility model swimming assistor close up the state front view;

Fig. 5 be the utility model swimming assistor close up the state right view;

Fig. 6 is another embodiment open mode front view of the utility model swimming assistor;

Fig. 7 is another embodiment open mode vertical view of the utility model swimming assistor.

The specific embodiment

To shown in Figure 7, swimming assistor of the present utility model is generally paired use as Fig. 1, and each this assistor comprises first blade 2 and second blade 5 of a footmuff 1, symmetrical setting.Wherein:

First blade 2 is the first quarter moon shape, and the middle part indent of its linear medial margin is an arc 22; And upwards arch upward in these arc 22 positions certainly, forms an arch first lug boss 23, and two ends form first,

second base portion

21,24 of symmetry; The both side edges of this first lug boss 23 is all curved, and the lateral border of this first,

second base portion

21,24 is curved, and medial margin linearly;

Second blade 5 also is the first quarter moon shape, is symmetrical arranged with first blade 2.Its linear medial margin middle part indent be an arc 52, and arches upward upwards in these arc 52 positions certainly, forms an arch second lug boss 53, and two ends form the 3rd, the

4th base portion

51,54 of symmetry; The both side edges of this second lug boss 53 is all curved, and the lateral border of the 3rd, the

4th base portion

51,54 is curved, and medial margin linearly.

Flexibly connect by second rotating shaft 7 that is arranged between first rotating shaft 3 between first base portion 21 and the 3rd base portion 51 and second base portion 24 and the 4th base portion 54 between first blade 2 and second blade 5, first rotating shaft 3 and second rotating shaft 7 are positioned at same center line, first blade 2 and second blade 5 are the axle center with this rotating

shaft

3,7, relatively rotate.When blade is in open mode, first general ellipse 8 of the common formation of first lug boss, 23 medial margins and second lug boss, 53 medial margins.When blade is in when closing up state, first lug boss 23 and second lug boss 53 surround and form general second ellipse, 9, the second ellipses 9 and be a bit larger tham first ellipse 8.

Connection between first blade 2 and second blade 5 can also be directly hinged by first base portion 21 and the 3rd base portion 51, second base portion 24 and the 4th base portion 54, or mutually close medial margin respectively correspondence perforation is set, connect first blade 2 and second blade 5 by the ring set that is located in this perforation.Can also be between first blade 2 and second blade 5 Hinge mechanism 10 to be set, as Fig. 6, shown in Figure 7, hinge 10 be installed in the lower surface of first base portion 21 and the 3rd base portion 51, second base portion 24 and the 4th base portion 54.

Footmuff 1 is barrel-shaped, and elasticity is suitable, can be that silica gel material is made, also can be that elastic cloth etc. is made, be positioned at the middle part of first blade 2 and second blade 5, with first ellipse, 8, the second oval 9 corresponding positions, size adapts with first ellipse 8.One end of footmuff 1 is connected with second blade 5 with first blade 2, can be to be connected with two

retaining pieces

4,6 of the junction of second blade 5 by being arranged on first blade 2, as shown in Figure 1 and Figure 2, this two

retaining piece

4,6 is connected with second rotating shaft 7 with first rotating shaft 3 respectively; As Fig. 6, shown in Figure 7, two

retaining pieces

4,6 are connected with the bearing pin 101 of hinge 10 respectively.Can also be to adopt other modes to connect the promptly all any ways that can realize that footmuff 1 is connected with two blades.

Before the swimming this swimming assistor is enclosed within lower limb by footmuff 1, when lower limb stretch out in water, first blade 2, second blade 5 are opened respectively under the active force of water laterally, edge until interlude first lug boss 23, second lug boss 53 withstands footmuff 1, this moment, the medial margin of two blades formed a similar oval-shaped plate face in footmuff 1 outside, increased lifting surface area, under the reaction force of plate in the face of the pressure of water, produce a motive force identical, thereby played raising speed or buoyancy function with the human motion direction.When lower limb shrank, two vane stress overturn downwards, and until closing, centre first lug boss 23 and second lug boss 53 of this moment surround, and lucky and lower limb coincide, and current flow through smoothly from blade edge, and do not produce any resistance.So go round and begin again.

The above only is a preferable possible embodiments of the present utility model, and is non-so limit to protection domain of the present utility model, so the equivalence techniques that uses the utility model specification and diagramatic content to do such as changes, all is contained in the protection domain of the present utility model.

Claims

One kind swimming assistor, it is characterized in that: described assistor comprises footmuff, symmetrically arranged first blade and second blade; Described first blade and second blade all are the first quarter moon shape, and the middle part indent of described blade linear medial margin is an arc, and the formation lug boss that upwards arches upward; Flexibly connect between described first blade and second blade; Described footmuff one end is connected with second blade with described first blade.
2. swimming assistor as claimed in claim 1 is characterized in that: described footmuff is to be connected with two retaining pieces of the junction of second blade by being arranged on described first blade.
3. swimming assistor as claimed in claim 2 is characterized in that: described first blade is connected by first rotating shaft, second rotating shaft respectively with the medial margin of second blade.
4. swimming assistor as claimed in claim 3 is characterized in that: described two retaining pieces are connected with second rotating shaft with described first rotating shaft respectively.
5. swimming assistor as claimed in claim 1 is characterized in that: described first blade and second blade are hinged.
6. swimming assistor as claimed in claim 2 is characterized in that: be connected by Hinge mechanism between described first blade and second blade.
7. swimming assistor as claimed in claim 6 is characterized in that: described two retaining pieces are connected with the bearing pin of described Hinge mechanism respectively.
8. swimming assistor as claimed in claim 1 is characterized in that: when described first blade and second blade are in open mode, and first general ellipse of the common formation of the first lug boss medial margin and the second lug boss medial margin; Be in when closing up state, first lug boss and second lug boss surround and form second a general ellipse, and second ellipse is a bit larger tham first ellipse.