CN203577279U - Breaststroke analog training device - Google Patents
Breaststroke analog training device Download PDFInfo
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- CN203577279U CN203577279U CN201320668284.2U CN201320668284U CN203577279U CN 203577279 U CN203577279 U CN 203577279U CN 201320668284 U CN201320668284 U CN 201320668284U CN 203577279 U CN203577279 U CN 203577279U
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- upper limbs
- lower limb
- breaststroke
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- slide block
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Abstract
The utility model discloses a breaststroke analog training device. The analog training device comprises a four-bar mechanism, an upper-limb motion mechanism, a lower-limb motion mechanism and a transversely-placed board, wherein the upper-limb motion mechanism, the lower-limb motion mechanism and the transversel-placed board are connected with the four-bar mechanism respectively, the upper-limb motion mechanism, the four-bar mechanism, the lower-limb motion mechanism and the transversely-placed board are hinged to a floor respectively, the lower-limb motion mechanism and the four-bar mechanism are connected through a piston device, and the transversely-placed board and the four-bar mechanism are connected through an air exchange pole. According to the breaststroke analog training device provided by the utility model, the problems that the accuracy and coordination of the breaststroke technical motion can not be guaranteed in the conventional breaststroke analog training equipment are solved; moreover, the breaststroke analog training device has excellent practice effects on guiding a student to learn the breaststroke, master the coordination of the breaststroke and correct an incorrect motion, thereby facilitating the swimming teaching quality greatly.
Description
Technical field
The utility model belongs to swimming instruction apparatus technical field, is specifically related to a kind of breaststroke stroke simulation trainer.
Background technology
Breaststroke technology is at present a lot of teaching of physical education required courses, through investigation, no matter we find university student or ruck, capital is because breaststroke technical difficulty is larger, adaptability in water is poor, causes being difficult to see the main points in the process of study, adds the condition restriction such as place, weather, season, want learning swimming on short several class, be really difficult for.
Traditional exercising method is the resolve exercise of doing by land arm pull and thrust kick, but action is difficult to coherent, coordination when study breaststroke, thereby in water, be difficult to grasp balance, do not observe oneself arm pull and thrust kick yet, so be difficult to allow student really grasp breaststroke technology, therefore we are necessary by certain exercise equipment, can limit and guide people to complete elemental motion, utilize this equipment can practise on land complete arm pull and thrust kick, go round and begin again, along with the increase of qualification, student just can grasp breaststroke.Investigation finds, existing breaststroke simulation training system cannot guarantee arm pull in breaststroke technology, takes a breath, kicks one's legs, floating accuracy of action and harmony, and expensive, so all universal.
Utility model content
The purpose of this utility model is to provide a kind of breaststroke stroke simulation trainer, has solved existing breaststroke simulation training system and cannot guarantee the accuracy of breaststroke technical movements and the problem of harmony.
The technical scheme that the utility model adopts is: breaststroke stroke simulation trainer, comprise quadric chain and the upper limb motion mechanism being connected with quadric chain respectively, lower extremity movement mechanism and transverse plate, upper limb motion mechanism, quadric chain, lower extremity movement mechanism and transverse plate are hinged on respectively on floor, lower extremity movement mechanism is connected by piston apparatus with quadric chain, and transverse plate is connected by ventilation bar with quadric chain.
Feature of the present utility model is also,
Quadric chain comprises floor and upper limbs rocking bar and the rocking bar hinged with floor respectively, and upper limbs rocking bar is connected by connecting rod with rocking bar.
Upper limb motion mechanism comprises the upper zeugopodium being connected with upper limbs rocking bar, upper zeugopodium overcoat has upper limbs rod sleeve, upper limbs rod sleeve is connected with upper limbs slide block, on upper limbs slide block, be provided with handrail, upper limbs slide block is connected with upper limbs guide rail by sliding pair, upper limbs guide rail is connected with upper limbs guide supporting bar, and upper limbs guide supporting bar is hinged on floor.
Lower extremity movement mechanism comprises the lower limb guide supporting bar being hinged on floor, lower limb guide supporting bar is connected with lower limb guide rail, lower limb guide rail is connected with lower limb slide block by sliding pair, on lower limb slide block, be provided with heel brace, lower limb slide block is connected with lower limb rod sleeve, lower limb rod sleeve inner sleeve has lower zeugopodium, and lower zeugopodium is connected with lower limb rocking bar, and lower limb rocking bar and floor are hinged.
Piston apparatus comprises cylinder connecting rod and the piston cylinder being connected with cylinder connecting rod and the axis of the piston being connected by airtight sliding pair with piston cylinder, the axis of the piston with ventilation bar, rocking bar together with rod hinge connection, cylinder connecting rod and lower zeugopodium, lower limb rocking bar are hinged, cylinder connecting rod is also connected with one end of return spring, and the other end of return spring is connected with lower limb guide supporting bar.
On piston cylinder, be provided with check valve and relief hole.
Upper limb motion mechanism is symmetrically arranged with two groups about the axis of the piston.
Lower extremity movement mechanism is symmetrically arranged with two groups about the axis of the piston.
The beneficial effects of the utility model are: the utility model breaststroke stroke simulation trainer, solve existing breaststroke simulation training system and cannot guarantee the accuracy of breaststroke technical movements and the problem of harmony, by guide rail modeling, determine that tracks guarantees accuracy and the smoothness of stroke, set up quadric chain and leverage to guarantee the accurately fixed and harmony of action, for guiding student study breaststroke, grasp breaststroke harmony, the action of correcting a mistake has good practice effect, for improving swimming teaching quality, has very large facilitation.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model breaststroke stroke simulation trainer;
Fig. 2 is the top view of the utility model breaststroke stroke simulation trainer;
Fig. 3 is the structural representation of the quadric chain of the utility model breaststroke stroke simulation trainer;
Fig. 4 is the cutaway view of the piston apparatus of the utility model breaststroke stroke simulation trainer;
Fig. 5 is the cutaway view of the upper limbs slide block of the utility model breaststroke stroke simulation trainer.
In figure, 1. lower limb guide rail, 2. lower limb slide block, 3. lower limb rod sleeve, 4. plays zeugopodium, ventilation bar, 6. transverse plate, 7. upper limbs guide rail, 8. handrail, 9. upper limbs slide block, 10. upper limbs rod sleeve, zeugopodium on 11., 12. upper limbs guide supporting bars, 13. upper limbs rocking bars, 14. connecting rods, 15. rocking bars, 16. the axis of the pistons, 17. floors, 18. piston cylinders, 19. check valves, 20. cylinder connecting rods, 21. lower limb rocking bars, 22. return springs, 23. lower limb guide supporting bars, 24. heel braces.
The specific embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is elaborated.
The utility model breaststroke stroke simulation trainer, as depicted in figs. 1 and 2, comprise quadric chain and the upper limb motion mechanism being connected with quadric chain respectively, lower extremity movement mechanism and transverse plate 6, transverse plate 6 is hinged on floor 17, quadric chain comprises floor 17 and upper limbs rocking bar 13 and the rocking bar 15 hinged with floor 17 respectively, upper limbs rocking bar 13 is connected by connecting rod 14 with rocking bar 15, upper limb motion mechanism comprises the upper zeugopodium 11 being connected with upper limbs rocking bar 13, upper zeugopodium 11 overcoats have upper limbs rod sleeve 10, upper limbs rod sleeve 10 is connected with upper limbs slide block 9, on upper limbs slide block 9, be provided with handrail 8, upper limbs slide block 9 is connected with upper limbs guide rail 7 by sliding pair, upper limbs guide rail 7 is connected with upper limbs guide supporting bar 12, upper limbs guide supporting bar 12 is hinged on floor 17, lower extremity movement mechanism comprises the lower limb guide supporting bar 23 being hinged on floor 17, lower limb guide supporting bar 23 is connected with lower limb guide rail 1, lower limb guide rail 1 is connected with lower limb slide block 2 by sliding pair, on lower limb slide block 2, be provided with heel brace 24, lower limb slide block 2 is connected with lower limb rod sleeve 3, lower limb rod sleeve 3 inner sleeves have lower zeugopodium 4, lower zeugopodium 4 is connected with lower limb rocking bar 21, lower limb rocking bar 21 is hinged with floor 17, lower extremity movement mechanism is connected by piston apparatus with quadric chain, piston apparatus comprises cylinder connecting rod 20 and the piston cylinder 18 being connected with cylinder connecting rod 20, and the axis of the piston 16 being connected by airtight sliding pair with piston cylinder 18, the axis of the piston 16 and ventilation bar 5, rocking bar 15 and connecting rod 14 are hinged, ventilation bar 5 is connected with transverse plate 6, cylinder connecting rod 20 and lower zeugopodium 4, lower limb rocking bar 21 is hinged, cylinder connecting rod 20 is also connected with one end of return spring 22, the other end of return spring 22 is connected with lower limb guide supporting bar 23, on piston cylinder 18, be also provided with check valve 19 and relief hole, upper limb motion mechanism is symmetrically arranged with two groups about the axis of the piston 16, lower extremity movement mechanism is symmetrically arranged with two groups about the axis of the piston 16.
Breaststroke interoperation main points: oarsman's leg is motionless, receive hand and receive leg again, stretch out one's hand and kick one's legs, close up to stretch and float for a moment.Ventilation action: the head of striking lifts slowly, stretches out one's hand and slides slow expiration.This just requires breaststroke stroke simulation trainer can meet following characteristics:
Oarsman's leg is motionless: when upper limbs slide block 9 moves backward, lower limb slide block 2 is in free state;
Receive hand and receive again leg: when upper limbs slide block 9 moves to the inside, then lower limb slide block 2 just starts to travel forward;
Stretch out one's hand and kick one's legs: upper limbs slide block 9 moves forward, then lower limb slide block 2 will be fast to the motion of oblique rear;
Close up to stretch and float for a moment: upper limbs slide block 9 is positioned at foremost, and lower limb slide block 2 is positioned at rearmost end;
The head of striking lifts slowly: upper limbs slide block 9 moves backward, and transverse plate 6 slowly lifts;
Stretch out one's hand and slide slow expiration: upper limbs slide block 9 travels forward, naturally exhale, do not need mechanism to participate in.
First by three-dimensional software, set up the wrist of breaststroke and the movement locus model of ankle, through motion simulation and the final model of determining track of experiment, utilize the action of striking with kicking one's legs of slide block guide rail mechanism analog wrist and ankle, guarantee stroke accuracy of action.
The utility model breaststroke stroke simulation trainer drives without external force, upper limbs rocking bar 13 is connected with upper limbs rod sleeve 10 by upper zeugopodium 11, form lever, upper limbs rod sleeve 10 upper ends are connected with the upper limbs slide block 9 on upper limbs guide rail 7, hand is placed in the handrail 8 on upper limbs slide block 9 like this, when completing arm stroke, by the follow-up structure of lever actuated, utilize lever to drive from drive, can make the movement velocity of mechanism by trainer self, be controlled completely, guarantee safety and comfort, and due to lever principle, make mechanism laborsaving, move more smooth and easy.Equally, lower limb rocking bar 21 is connected with lower limb rod sleeve 3 by lower zeugopodium 4, forms lever.
As shown in Figure 3, upper limbs rocking bar 13, connecting rod 14, rocking bar 15 form four connecting rods (double rocking lever) structure with floor 17, and wherein upper limbs rocking bar 13 is share wares of four connecting rods and lever, and four connecting rods are by the hinged transverse plate 6 of ventilation bar 5, and transverse plate 6 is hinged with floor 17 again.When student strikes backward, lever swings backward, upper limbs rocking bar 13 can become the driving link of four connecting rods, according to the kinetic characteristic of double rocking lever, ventilation bar 5 can boost on one end of transverse plate 6 and rise, the action that namely comes back and take a breath in breaststroke, when lever travels forward, transverse plate 6 declines thereupon, namely floating action in breaststroke, student is only with lying prone on transverse plate 6 like this, just can utilize that double rocking lever characteristic will be struck, ventilation, floating coordination, meet the head of striking and lift slowly, stretch out one's hand and slide slow expiration.
As shown in Figure 4, upper limb motion mechanism is connected by piston apparatus with lower extremity movement mechanism.When upper limbs slide block 9 moves backward, the axis of the piston 16 is moved to the left, and now piston cylinder 18 internal gas pressures are greater than atmospheric pressure, check valve 19 is opened, and the axis of the piston 16 continues to left movement, and piston cylinder 18 is not subjected to displacement, while guaranteeing that upper limbs slide block 9 moves backward, lower limb slide block 2 is in free state; When upper limbs slide block 9 moves to high order end, the axis of the piston 16 is also positioned at piston cylinder 18 high order ends, when then upper limbs slide block 9 travels forward, the axis of the piston 16 will move right thereupon, when piston cylinder 18 internal gas pressures are less than external atmosphere pressure, check valve 19 is closed, under atmospheric pressure effect, the axis of the piston 16 and piston cylinder 18 will together with move right, while guaranteeing that upper limbs slide block 9 travels forward, lower limb slide block 2 and then travels forward, and receives hand and receives leg again; When lower limb slide block 2 moves to lower limb guide rail 1 foremost time, restriction due to lower limb guide rail 1 length, piston cylinder 18 no longer continues to move right, and the axis of the piston 16 can continue along with the strength of arm to move right, one segment distance back piston axle 16 moves to the relief hole place of piston cylinder 18, piston cylinder 18 is inside and outside to be communicated with, piston cylinder 18 is under the effect of return spring 22, rapidly to left movement, thereby when guaranteeing that upper limbs slide block 9 moves forward, lower limb slide block 2 will be very fast motion backward, first hold out and kick one's legs again; When upper limbs slide block 9 moves to foremost, lower limb slide block 2 is positioned at rearmost end, closes up to stretch and floats for a moment.
During use, health is put plate 6 by Transverse and is supported, and it is hinged with floor 17 that Transverse puts plate 6 one end, can regulate body angle according to somagenic need, increases comfortableness and security, and the other end is hinged with quadric chain by ventilation bar 5, can realize and control the moment that comes back and take a breath.The size that Transverse puts plate 6 is determined by organization of human body size, meets human engineering.As shown in Figure 5, upper limbs guide rail 7 is connected by sliding pair with upper limbs slide block 9, arm is along with upper limbs slide block 9 moves along upper limbs guide rail 7, upper limbs guide rail 7 is supported by the upper limbs guide supporting bar 12 being fixedly connected with floor 17, shank moves along lower limb guide rail 1 along with lower limb slide block 2, and lower limb guide rail 1 is by lower limb guide supporting bar 23 supports hinged with floor 17; After first position is carried out, hand is placed in the handrail 8 on upper limbs slide block 9, and pin is placed in the heel brace 24 on lower limb slide block 2, carry out arm stroke backward, self provides power, and motion passes on the one hand 5 promptings of ventilation bar by leverage and quadric chain and starts ventilation, passes on the other hand the axis of the piston 16, the axis of the piston 16 moves backward, gas in piston cylinder 18 is compressed, and the air pressure in piston cylinder 18 is greater than atmospheric pressure, and check valve 19 is opened, piston cylinder 18 does not move, and just can not drive leg exercise.After completing arm stroke, arm starts to receive hand, receive hand process arm two stages of experience, outwards motion backward simultaneously before this, then inwardly travel forward simultaneously, process the axis of the piston 16 backward continues motion backward, when arm arrives rearmost end, the axis of the piston 16 also moves to the bosom in piston cylinder 18 cylinders.When arm travels forward, the axis of the piston 16 travels forward thereupon, control parameter, make the air pressure in piston cylinder 18 when receipts hand finishes be less than external atmosphere pressure, check valve 19 is closed, and atmospheric pressure forces together the axis of the piston 16 and piston cylinder 18 to travel forward, now motion is just passed on pin, start to receive leg, meet oarsman's leg motionless, receive the cooperation requirement that hand is received leg again.After receipts leg finishes, piston cylinder 18 no longer moves forward, and the axis of the piston 16 can move forward along with the strength of arm, when the axis of the piston 16 moves to the relief hole place of piston cylinder 18, piston cylinder 18 is connected with the external world, under the effect of the return spring 22 being connected with cylinder connecting rod 20, piston cylinder 18 is motion backward rapidly, when guaranteeing that upper limbs slide block 9 moves forward, the motion backward that lower limb slide block 2 will be very fast, first holds out and kicks one's legs; When upper limbs slide block 9 moves to foremost, lower limb slide block 2 is positioned at rearmost end, closes up to stretch and floats for a moment, and a complete breaststroke action has just completed.So go round and begin again, just can increase the harmony of own health, the strokes of grasp standard.
The utility model breaststroke stroke simulation trainer is economy but also have use value not only, sets up the movement locus model of breaststroke by three-dimensional software, through motion simulation and the final model of determining track of experiment, guarantees the accuracy of stroke; Adopt slideway, guaranteed the smoothness of action; Be equipped with again quadric chain and leverage, trick is connected to trick that is virtually reality like reality and coordinate rhythm, the accuracy of safety action, can allow beginner, particularly to water have the student of the feared state of mind more, safer carry out by land doing simulated exercises of breaststroke action, for guiding student study breaststroke, grasp breaststroke harmony, the action of correcting a mistake has good practice effect, for improving swimming teaching quality, has very large facilitation.
Claims (8)
1. breaststroke stroke simulation trainer, it is characterized in that, comprise quadric chain and the upper limb motion mechanism being connected with quadric chain respectively, lower extremity movement mechanism and transverse plate (6), described upper limb motion mechanism, quadric chain, lower extremity movement mechanism and transverse plate (6) are hinged on respectively on floor (17), described lower extremity movement mechanism is connected by piston apparatus with described quadric chain, and described transverse plate (6) is connected by ventilation bar (5) with described quadric chain.
2. breaststroke stroke simulation trainer as claimed in claim 1, it is characterized in that, described quadric chain comprises floor (17) and upper limbs rocking bar (13) and the rocking bar (15) hinged with floor (17) respectively, and described upper limbs rocking bar (13) is connected by connecting rod (14) with described rocking bar (15).
3. breaststroke stroke simulation trainer as claimed in claim 1, it is characterized in that, described upper limb motion mechanism comprises the upper zeugopodium (11) being connected with described upper limbs rocking bar (13), described upper zeugopodium (11) overcoat has upper limbs rod sleeve (10), described upper limbs rod sleeve (10) is connected with upper limbs slide block (9), on described upper limbs slide block (9), be provided with handrail (8), described upper limbs slide block (9) is connected with upper limbs guide rail (7) by sliding pair, described upper limbs guide rail (7) is connected with upper limbs guide supporting bar (12), described upper limbs guide supporting bar (12) is hinged on described floor (17).
4. breaststroke stroke simulation trainer as claimed in claim 1, it is characterized in that, described lower extremity movement mechanism comprises the lower limb guide supporting bar (23) being hinged on floor (17), described lower limb guide supporting bar (23) is connected with lower limb guide rail (1), described lower limb guide rail (1) is connected with lower limb slide block (2) by sliding pair, on described lower limb slide block (2), be provided with heel brace (24), described lower limb slide block (2) is connected with lower limb rod sleeve (3), described lower limb rod sleeve (3) inner sleeve has lower zeugopodium (4), described lower zeugopodium (4) is connected with lower limb rocking bar (21), described lower limb rocking bar (21) is hinged with floor (17).
5. breaststroke stroke simulation trainer as claimed in claim 1, it is characterized in that, described piston apparatus comprises cylinder connecting rod (20) and the piston cylinder (18) being connected with described cylinder connecting rod (20), and the axis of the piston (16) being connected by airtight sliding pair with described piston cylinder (18), described the axis of the piston (16) and described ventilation bar (5), rocking bar (15) and connecting rod (14) are hinged, described cylinder connecting rod (20) and described lower zeugopodium (4), lower limb rocking bar (21) is hinged, described cylinder connecting rod (20) is also connected with one end of return spring (22), the other end of described return spring (22) is connected with described lower limb guide supporting bar (23).
6. breaststroke stroke simulation trainer as claimed in claim 5, is characterized in that, is provided with check valve (19) and relief hole on described piston cylinder (18).
7. the breaststroke stroke simulation trainer as described in claim 1 or 3, is characterized in that, described upper limb motion mechanism is symmetrically arranged with two groups about described the axis of the piston (16).
8. the breaststroke stroke simulation trainer as described in claim 1 or 4, is characterized in that, described lower extremity movement mechanism is symmetrically arranged with two groups about described the axis of the piston (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320668284.2U CN203577279U (en) | 2013-10-25 | 2013-10-25 | Breaststroke analog training device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320668284.2U CN203577279U (en) | 2013-10-25 | 2013-10-25 | Breaststroke analog training device |
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| Publication Number | Publication Date |
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| CN203577279U true CN203577279U (en) | 2014-05-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320668284.2U Expired - Fee Related CN203577279U (en) | 2013-10-25 | 2013-10-25 | Breaststroke analog training device |
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| CN (1) | CN203577279U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104399245A (en) * | 2014-10-21 | 2015-03-11 | 上海海事大学 | Breaststroke land training device |
| CN107376289A (en) * | 2017-09-20 | 2017-11-24 | 吴志佳 | Land breaststroke learning machine |
| CN109126088A (en) * | 2018-10-12 | 2019-01-04 | 张功溪 | A kind of swimming instruction cylinder |
| CN109289183A (en) * | 2018-10-11 | 2019-02-01 | 陈全林 | A kind of breaststroke training aids |
| WO2019056937A1 (en) * | 2017-09-20 | 2019-03-28 | 吴志佳 | Onshore breaststroke learning machine and training time increasing device |
| CN110292750A (en) * | 2019-07-31 | 2019-10-01 | 合肥工业大学 | Novel linkage mark time training apparatus |
| CN113648631A (en) * | 2021-08-25 | 2021-11-16 | 贺州学院 | Free-swimming land trainer and swimming training system |
-
2013
- 2013-10-25 CN CN201320668284.2U patent/CN203577279U/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104399245A (en) * | 2014-10-21 | 2015-03-11 | 上海海事大学 | Breaststroke land training device |
| CN107376289A (en) * | 2017-09-20 | 2017-11-24 | 吴志佳 | Land breaststroke learning machine |
| WO2019056937A1 (en) * | 2017-09-20 | 2019-03-28 | 吴志佳 | Onshore breaststroke learning machine and training time increasing device |
| CN107376289B (en) * | 2017-09-20 | 2019-05-10 | 吴志佳 | Land breaststroke learning machine |
| CN109289183A (en) * | 2018-10-11 | 2019-02-01 | 陈全林 | A kind of breaststroke training aids |
| CN109126088A (en) * | 2018-10-12 | 2019-01-04 | 张功溪 | A kind of swimming instruction cylinder |
| CN109126088B (en) * | 2018-10-12 | 2020-04-07 | 范甬挺 | Swimming training jar |
| CN110292750A (en) * | 2019-07-31 | 2019-10-01 | 合肥工业大学 | Novel linkage mark time training apparatus |
| CN113648631A (en) * | 2021-08-25 | 2021-11-16 | 贺州学院 | Free-swimming land trainer and swimming training system |
| CN113648631B (en) * | 2021-08-25 | 2022-06-07 | 贺州学院 | Free-swimming land trainer and swimming training system |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140507 Termination date: 20161025 |