CN109771925A - A kind of breaststroke arm movement track training device and training system - Google Patents
A kind of breaststroke arm movement track training device and training system Download PDFInfo
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- CN109771925A CN109771925A CN201910126769.0A CN201910126769A CN109771925A CN 109771925 A CN109771925 A CN 109771925A CN 201910126769 A CN201910126769 A CN 201910126769A CN 109771925 A CN109771925 A CN 109771925A
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Abstract
The present invention relates to a kind of breaststroke arm movement track training device and training systems, including the first laminate disposed in parallel and the second laminate, first laminate is equipped with and the consistent sliding slot in standard breaststroke arm movement track, first laminate is divided into sliding slot interior plate and sliding slot outer panel by the sliding slot, the sliding slot interior plate is connect by the first connector with the second laminate, sliding slot outer panel is connect by the second connector with the second laminate, handle mechanism is slidably connected in the sliding slot, the handle mechanism bottom end is equipped with friction member, the friction member can be contacted with the friction pad for being fixed on the second laminate, the resistance being subject in water for simulating arm, the sliding slot side is equipped with locating part, the angle of upper arm and shoulder when for limiting Student Training, training device of the invention can not only be trained arm movement track, it can also train Arm strength, training effect are good.
Description
Technical field
The present invention relates to Sports training apparatus technical fields, and in particular to a kind of breaststroke arm movement track training device and
Training system.
Background technique
Breaststroke is one of swimming position, and the human body prostrate water surface, two-arm is in the wrong under the symmetrical straight-arm side in front to strike, and two legs are symmetrical
It bends and stretches and pedals folder water, swim like frog, breaststroke is relatively labor-saving, and Yi Chijiu, practical value is big, and common-use words fish and hunt, swim across, giving first aid to, is waterborne
Carry etc., meanwhile and swimming beginner study project.
Breaststroke is one of competitive swimming project, has higher technical requirements for stroke, only correct stroke could most
The raising speed of big degree, arm movement is to provide one of the important motivity advanced in water when breaststroke, comes from movement technical requirements
It says, breaststroke arm action is divided into: 1, saying good-bye and grab water；2, high elbow is struck；3, water is embraced in bosom；4 loosen four parts of extension composition, entirely
It strikes track, in terms of depression angle, similar one big " peach " shape (or being called " reversed cardioid ").Wherein, swimmer is needed to use
The stage of explosive force is: two links of " high elbow is struck " and " water is embraced in bosom "." water is grabbed in departure " link is firmly smaller, " before loosening
Stretch " link, the most easily.From keeping on improving, for sentific training, the stroking technique at the end of " high elbow is struck " require be: 1,
Two ancon outreaches, in terms of horizontal view angle, slightly above shoulder；And two large arm opening angle and the synchronous symmetrical difference of swimming direction of advance
At 80 ° of angles.
Whether arm movement standardizes the integrality for being directly related to breaststroke stroking technique, also determine breaststroke limb action with
The cooperation effect of respiratory movement, and then play the role of vital, existing breaststroke arm fortune in molar behavior efficiency
When the training of dynamic rail mark, student's standard operation is mainly taught by coach, then student practices under the guidance of coach, inventor
It was found that during real swimming teaching, beginner, acting do not in place or surmounting scientific and normal movement scope is very
Common phenomenon.It needs student, coach repeat, correct, practicing again, correcting again, can just be gradually formed after multiple circulations
Correct dynamic stereotype, consuming time is long, and the training period is long.
Summary of the invention
The purpose of the present invention is to overcome above-mentioned the deficiencies in the prior art, provide a kind of breaststroke arm movement track training cartridge
It sets, can effectively help student to be trained according to standard arm movement track, and stress condition in water can be simulated,
Training effect is more preferable.
To achieve the above object, the present invention adopts the following technical solutions:
A kind of breaststroke arm movement track training device, including the first laminate disposed in parallel and the second laminate, described
One laminate, which is equipped with, is divided into sliding slot interior plate for the first laminate with the consistent sliding slot in standard breaststroke arm movement track, the sliding slot
And sliding slot outer panel, the sliding slot interior plate are connect by the first connector with the second laminate, sliding slot outer panel connects by second
Fitting is connect with the second laminate, and handle mechanism is slidably connected in the sliding slot, and the handle mechanism bottom end is equipped with friction member, institute
Stating friction member can contact with the friction pad for being fixed on the second laminate, the resistance being subject in water for simulating arm, the sliding slot
Side is equipped with locating part, the angle of upper arm and shoulder when for limiting Student Training.
By the way that sliding slot is arranged, can specification Student Training when arm motion track can by setting friction member and friction pad
Resistance of the arm by water is simulated, strength building is carried out simultaneously to arm, training effect is good.
Further, the sliding slot includes first sliding groove portion, second sliding slot portion, third slide groove portion and the 4th slide groove portion, institute
It is consistent with the standard movement track that breaststroke is said good-bye when grabbing water to state first sliding groove portion, when the second sliding slot portion and the high elbow of breaststroke are struck
Standard movement track it is consistent, the third slide groove portion and breaststroke bosom in embrace water when standard movement track it is consistent, the described 4th
Standard movement track when slide groove portion loosens extension with breaststroke both hands is consistent, and the first sliding groove portion and second sliding slot portion are equipped with more
It is a, for meeting the training demand of different high height and long arm students.
Further, the handle mechanism includes handle, and the handle bottom end is fixedly connected with sliding axle, the sliding axle
On be connected with bearing, the sliding axle shaft part at bearing both ends is equipped with limiting stand, and two limiting stands are prevented for limiting to bearing
Bearing is detached from from sliding slot, and the outer ring periphery of the bearing is contacted with sliding slot groove face, and handle is connected by bearing and sliding slot sliding
It connects.
Further, the friction member is l-shaped rod, and the l-shaped rod is fixed on sliding axle end, and the friction pad setting exists
Position corresponding to second sliding slot portion and third slide groove portion, when handle mechanism slides in second sliding slot portion and third slide groove portion, L
Type bar and friction pad generate frictional force, for simulate the high elbow of breaststroke strike and cherish in armful water when the resistance of water that generates.
Further, first connector uses attachment screw, and the attachment screw passes through the first laminate and the second layer
Plate has screwed attaching nut on the attachment screw, and the screw cap of attachment screw is contacted with the first lamina surface, attaching nut's pressure
Tight second laminate.
Further, the locating part uses curved rod, and the both ends of the curved rod pass through the first laminate and the second laminate
The interface of setting and the first laminate and the second laminate plug connection, first laminate and the second laminate are equipped with multiple rows of grafting
Mouthful, for curved rod in the first laminate and the upper adjusting set of the second laminate.
A kind of vertical breaststroke arm movement track training system, including the breaststroke arm movement track training device,
First laminate and the second laminate are vertically arranged and be fixedly connected with bracket, breaststroke arm movement track training device
Lower section is equipped with step structure, for meeting the training demand of different height figure students.
Student stands and can be trained on step structure, and operating method is simple and easy.
Further, first laminate is equipped with head alignment hole, and head alignment hole periphery is coated with head index line, institute
It states and is equipped with shoulder indicator board below the index line of head, head and shoulder are placed on accurate position when for Student Training.
A kind of prone type breaststroke arm movement track training system, including the breaststroke arm movement track training device
And body support, the body support include horizontally disposed support plate, the support plate is used to support body, institute
It states support plate to be fixedly connected with stabilizer blade, support plate end is equipped with head support ring, and the head support ring is used to support head, institute
It states the first laminate and the second laminate and body-support plate to be distributed in angle, angle is 25 ° -30 °.
The case where student is trained using front lying position, more really simulates practical breaststroke, training effect is good.
Further, second connector includes the first rod segment and the second rod segment of integral type connection, first bar
Section is threaded rod, and the first rod segment passes perpendicularly through the first laminate and the second laminate, clamp nut, the pressure have been screwed in the first rod segment
Tight nut compresses the first laminate, the second rod segment and the first rod segment in angle setting, angle and the first laminate or the second laminate and body
The angle of body support plate is equal, for being supported to the first laminate and the second laminate.
Beneficial effects of the present invention:
1. training device of the invention is transported when can make Student Training according to the breaststroke arm of standard by the way that sliding slot is arranged
Dynamic rail mark carries out arm movement, ensure that the normalization of Student Training's movement, improves training quality.
2. training device of the invention can make handle along the chute by the way that the friction member of friction pad and handle base is arranged
Motion process in by frictional resistance, when simulating breaststroke arm in water by the resistance of water the case where, can guarantee arm
While portion's motion profile specification, arm strength is trained.
Detailed description of the invention
The accompanying drawings constituting a part of this application is used to provide further understanding of the present application, and the application's shows
Meaning property embodiment and its explanation do not constitute the restriction to the application for explaining the application.
Fig. 1 is the breaststroke arm movement track training device structural schematic diagram of the embodiment of the present invention 1；
Fig. 2 is that 1 handle of the embodiment of the present invention and sliding slot are slidably connected schematic diagram；
Fig. 3 is 1 rubber pad assembling schematic diagram of the embodiment of the present invention；
Fig. 4 is 1 overall structure diagram of the embodiment of the present invention；
Fig. 5 is 2 overall structure diagram one of the embodiment of the present invention；
Fig. 6 is 2 overall structure diagram two of the embodiment of the present invention；
Wherein, 1. first laminate, 1-1. sliding slot interior plate, 1-2. sliding slot outer panel, 2. second laminates, 3. sliding slots, 3-1.
First sliding groove portion, 3-2. second sliding slot portion, 3-3. third slide groove portion, the 4th slide groove portion of 3-4., 4. attachment screws, 5. handles, 6.
Sliding axle, 7. block machines, 8. bearings, 9.L type bar, 10. rubber pads, 11. curved rods, 12. interfaces, 13. vertical beams, 14. supports,
15. crossbeam, 16. supporting beams, 17. raker beams, 18. connecting studs, 19. attaching nuts, 20. head alignment holes, the instruction of 21. heads
Line, 22. shoulder indicator boards, 23. step structures, 24. body-support plates, 25. stabilizer blades, 26. head support rings, 27. recesses, 28.
First rod segment, 29. second rod segments, 30. clamp nuts.
Specific embodiment
It is noted that following detailed description is all illustrative, it is intended to provide further instruction to the application.Unless another
It indicates, all technical and scientific terms used herein has usual with the application person of an ordinary skill in the technical field
The identical meanings of understanding.
It should be noted that term used herein above is merely to describe specific embodiment, and be not intended to restricted root
According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singular
Also it is intended to include plural form, additionally, it should be understood that, when in the present specification using term "comprising" and/or " packet
Include " when, indicate existing characteristics, step, operation, device, component and/or their combination.
In order to facilitate narration, if there is "upper", "lower" printed words in the present invention, the upper and lower with attached drawing itself is only indicated
To consistent, restriction effect is not played to structure, it is only for convenient for the description present invention and simplify description, rather than indicate or dark
Show that signified equipment or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as pair
Limitation of the invention.
As background technique is introduced, it is lack of standardization that existing breaststroke arm movement training method is easy to appear student's movement
Situation, training effect is bad, in view of the above-mentioned problems, present applicant proposes a kind of breaststroke arm movement track training devices.
In a kind of exemplary embodiment of the application, as shown in Figs 1-4, a kind of breaststroke arm movement track training device,
Including the first laminate 1 and the second laminate 2, first laminate and the second laminate are arranged in parallel, and are offered on first laminate
With the symmetrically arranged sliding slot 3 in consistent two of standard breaststroke arm movement track, two sliding slots are respectively used to two arms of student
Training, the first laminate is divided into sliding slot interior plate 1-1 and sliding slot outer panel 1-2 by the sliding slot, and the sliding slot interior plate is logical
It crosses the first connector to be fixedly connected with the second laminate, the sliding slot outer panel connects by the way that the second connector and the second laminate are fixed
It connects.
The sliding slot includes first sliding groove portion 3-1, second sliding slot portion 3-2, third slide groove portion 3-3 and the 4th slide groove portion 3-4,
The first sliding groove portion is consistent with the standard movement track that breaststroke is said good-bye when grabbing water, and the second sliding slot portion strikes with the high elbow of breaststroke
When standard movement track it is consistent, standard movement track when embracing water in the third slide groove portion and breaststroke bosom is consistent, described the
Standard movement track when four slide groove portions loosen extension with breaststroke both hands is consistent, and the first sliding groove portion and second sliding slot portion are all provided with
There are three, three first sliding groove portions and three second sliding slot portions are connect with third slide groove portion and the 4th slide groove portion, are arranged three
First sliding groove portion and second sliding slot portion meet the training demand of different high height and long arm students, sliding due to being provided with three first
Groove portion and second sliding slot portion, so sliding slot interior plate has been divided into three parts, each part pass through the first connector with
Second laminate connection, in use, sliding slot interior plate is concordant with the holding of the end face of sliding slot outer panel.
First connector uses attachment screw 4, and the attachment screw passes through the first laminate and the second laminate, and screws
There is attaching nut, the screw cap of the attachment screw is pressed on the upper surface of sliding slot interior plate, and the attaching nut is pressed on
On the lower end surface of second laminate, sliding slot interior plate is realized using attachment screw and attaching nut and the fixed of the second laminate connects
It connects.
The sliding slot is slidably connected with handle 5, and the handle bottom end is equipped with sliding axle 6, and the both ends of sliding axle are equipped with block machine
7, described two block machines are located at outside sliding slot, and are located above and below the first laminate, and the block machine is used for anti-on-slip
Moving axis is detached from sliding slot, is equipped with bearing 8 on the sliding axle shaft part between two block machines, the outer ring periphery of the bearing with
The groove face of sliding slot contacts, and handle can be slidably connected by bearing and sliding slot.
The bottom end of the sliding axle is fixed with friction member, and the friction member uses l-shaped rod 9 made of rubber material, institute
Stating l-shaped rod can contact with the friction pad being fixed on the second laminate, when sliding along the chute for handle, generate friction with friction member
Power, the friction pad use rubber pad 10, and position corresponding to second sliding slot portion and third slide groove portion is arranged in the friction pad
Place, first sliding groove portion and the 4th slide groove portion corresponding position be not provided with friction pad, is the arm because during breaststroke using this setting
The resistance of water that portion is subject to when embracing water in high elbow is struck and cherished is larger, therefore corresponding to the second sliding slot portion and third slide groove portion
Friction pad is set at position, when handle is slided along second sliding slot portion and third slide groove portion, l-shaped rod and rubber pad generate frictional force,
For simulating the resistance for the water that arm is subject in water, during breaststroke, when departure grabs water and loosens extension, the resistance for the water being subject to
Power very little, therefore it is not provided with friction pad at the position corresponding to first sliding groove portion and the 4th slide groove portion, handle is along first sliding groove
When portion and the 4th slide groove portion are slided, do not acted on by frictional resistance.
It is equipped with bakie 2-1 at the upper position corresponding to the 4th slide groove portion of second laminate, on the one hand prompts student
This part is to loosen extension section, without any resistance, on the other hand plays the role of ventilation and avoids sound wave, breathe convenient for student
Fresh air and speech.
The lower position of the sliding slot is set there are two symmetrical locating part, the locating part for when training to shoulder
Angle between portion and upper arm is limited, and the angle of upper arm and shoulder is made to reach standard requirements, that is, meets high elbow arm stroke
At the end of, the relative position standard requirements of ancon and shoulder, the standard requirements of arm opening angle, the locating part is using arc
The both ends of bar 11, the curved rod pass through the interface 12 being arranged on the first laminate and the second laminate and the first laminate and the second layer
Connection is plugged and fixed in plate, and first laminate is equipped with multiple rows of interface, and curved rod can be realized by being inserted into different interfaces
Position on first laminate is adjusted, and meets the training demand of different building shape student.
In the Application Example 1 of described kind of breaststroke arm movement track training device, the training device is for vertical
Breaststroke arm movement track training system, vertical breaststroke arm movement track training system include bracket and the breaststroke
Arm movement track training device.
The bracket includes two vertical beams being vertically arranged 13, and the bottom end of two vertical beams is fixedly connected with support 14, and two
Be fixedly connected with crossbeam 15 at the top of vertical beam, the top of the vertical beam is equipped with the supporting beam 16 of ellipse, supporting beam and support it
Between be connected with raker beam 17, the structural strength of entire bracket is high, and stability is good.
The first laminate and the second laminate of breaststroke arm movement track training device pass through the second connector and vertical beam
It is fixedly connected, second connector uses connecting stud 18, and the connecting stud passes through the first laminate, vertical beam and the second layer
Plate, the both ends of connecting stud have screwed attaching nut 19, and two attaching nuts, which compress the first laminate, the second laminate and vertical beam, to be connected
It connects.
The upper position between two sliding slot lower parts of first laminate is equipped with head alignment hole 20, the head alignment
Hole periphery, which is drawn, head index line 21, and the lower section of sliding slot is equipped with shoulder indicator board 22, the shoulder indicator board and the second laminate
It is fixedly connected, and the slot by being arranged on the first laminate passes through the first laminate, student is by head and head alignment hole when use
Alignment, shoulder are aligned with shoulder index line, and the initial position of student is made to meet training requirement.
Step structure 23 is provided with below the training device of breaststroke arm movement track, the step student can be according to certainly
The height of body stands on different steps and is trained, and meets the training requirement of different height students.
The vertical breaststroke arm movement track training system of embodiment 1 in use, student stands on step structure, towards
First layer screen station is vertical, and head is aligned with head alignment hole, and shoulder is aligned with shoulder index line, and both hands hold two handles respectively,
Arm movement, band fixed handle slide along the chute, carry out the training of arm movement track.
When handle is slided along second sliding slot portion and third slide groove portion, friction member and friction pad generate resistance, when simulating breaststroke
The resistance that arm encounters in water, when the training system not only can satisfy the training of arm movement track, can also be to arm
Strength is trained, and training effect is good.
In the Application Example 2 of breaststroke arm movement track training device, as seen in figs. 5-6, the training cartridge
It sets for prone type breaststroke arm movement track training system, prone type breaststroke arm movement track training system includes body
Body supporting mechanism and the breaststroke arm movement track training device.
The body-support mechanism includes horizontally disposed body-support plate 24, the body-support plate and four stabilizer blades 25
Top be fixedly connected, stabilizer blade described in four is for being supported body-support plate.The body-support mechanism is placed on
The side of breaststroke arm movement track training device, the end positioned at breaststroke arm movement track training device side are equipped with head
Support ring 26, when use, are used to support head, which is additionally provided with recess 27, for the activity of shoulder, the body-support plate
The end face for being used to support body is arc, meets comfort level requirement when use.
The first laminate and the second laminate and body-support plate of breaststroke arm movement track training device are in 30 ° of angles
It places, the breaststroke action situation of more true simulation in water, second connector is using setting in the first laminate and the
Connecting rod at two angles of laminate four, the connecting rod includes the first rod segment 28 and the second rod segment 29 of integral type connection, described
First rod segment is threaded rod, the first rod segment pass through the first laminate and the second laminate and with the first laminate and the second laminate is vertical sets
Set, the first rod segment top has screwed clamp nut 30, and the clamp nut is pressed on the upper surface of the first laminate, the second rod segment with
The connection of first rod segment integral type, is vertically arranged, the first rod segment and the second rod segment angle and the first laminate or the second laminate and body
The angle of support plate is equal, and the length of the second rod segment meets the first laminate and the second laminate and the setting of body-support plate angle
It is required that.
The prone type breaststroke arm movement track training system of the present embodiment, student's prostrate is on body-support plate, head
It is supported using head support ring, both hands hold handle, arm movement, and band fixed handle slides along the chute, carry out breaststroke arm
The training of motion profile, when handle is slided along second sliding slot portion and third slide groove portion, l-shaped rod and rubber pad generate frictional force, mould
The resistance that water generates arm when quasi- breaststroke, realizes and is trained to arm strength.
The breaststroke arm movement track training device of the present embodiment, structure is simple, easy to use, is realizing to arm movement
While track is trained, additionally it is possible to carry out the training of arm strength, training effect is good.
Above-mentioned, although the foregoing specific embodiments of the present invention is described with reference to the accompanying drawings, not protects model to the present invention
The limitation enclosed, those skilled in the art should understand that, based on the technical solutions of the present invention, those skilled in the art are not
Need to make the creative labor the various modifications or changes that can be made still within protection scope of the present invention.
Claims (10)
1. a kind of breaststroke arm movement track training device, which is characterized in that including the first laminate disposed in parallel and the second layer
Plate, first laminate, which is equipped with, is divided into the first laminate with the consistent sliding slot in standard breaststroke arm movement track, the sliding slot
Sliding slot interior plate and sliding slot outer panel, the sliding slot interior plate are connect by the first connector with the second laminate, sliding slot outer panel
It is connect by the second connector with the second laminate, handle mechanism is slidably connected in the sliding slot, the handle mechanism bottom end is set
There is friction member, the friction member can be contacted with the friction pad for being fixed on the second laminate, the resistance being subject in water for simulating arm
Power, the sliding slot side are equipped with locating part, the angle of upper arm and shoulder when for limiting Student Training.
2. a kind of breaststroke arm movement track training device as described in claim 1, which is characterized in that the sliding slot includes the
The mark that one slide groove portion, second sliding slot portion, third slide groove portion and the 4th slide groove portion, the first sliding groove portion and breaststroke are said good-bye when grabbing water
Quasi-moving track is consistent, and the standard movement track when second sliding slot portion strikes with the high elbow of breaststroke is consistent, the third sliding slot
Standard movement track when embracing water in portion and breaststroke bosom is consistent, and the 4th slide groove portion loosens standard when extension with breaststroke both hands
Motion profile is consistent, the first sliding groove portion and second sliding slot portion be equipped with it is multiple, for meeting the instruction of different high height and long arm students
Practice demand.
3. a kind of breaststroke arm movement track as described in claim 1 training device, which is characterized in that the handle mechanism packet
Handle is included, the handle bottom end is fixedly connected with sliding axle, and bearing, the sliding axle axis at bearing both ends are connected on the sliding axle
Section is equipped with limiting stand, and two limiting stands prevent bearing to be detached from from sliding slot, the outer ring of the bearing for limiting to bearing
Periphery is contacted with sliding slot groove face, and handle is slidably connected by bearing and sliding slot.
4. a kind of breaststroke arm movement track as claimed in claim 3 training device, which is characterized in that the friction member is L
Type bar, the l-shaped rod are fixed on sliding axle end, and the friction pad is arranged in corresponding to second sliding slot portion and third slide groove portion
Position, when handle mechanism slides in second sliding slot portion and third slide groove portion, l-shaped rod and friction pad generate frictional force, are used for mould
The quasi- high elbow of breaststroke strike and cherish in armful water when the resistance of water that generates.
5. a kind of breaststroke arm movement track as described in claim 1 training device, which is characterized in that first connector
Using attachment screw, the attachment screw passes through the first laminate and the second laminate, has screwed attaching nut on the attachment screw,
The screw cap of attachment screw is contacted with the first lamina surface, and attaching nut compresses the second laminate.
6. a kind of breaststroke arm movement track as described in claim 1 training device, which is characterized in that the locating part uses
Curved rod, the interface and the first laminate and the second laminate that the both ends of the curved rod pass through the first laminate and the setting of the second laminate
Plug connection, first laminate and the second laminate are equipped with multiple rows of interface, for curved rod in the first laminate and the second layer
The adjusting of position on plate.
7. a kind of vertical breaststroke arm movement track training system, which is characterized in that including breaststroke arm described in claim 1
Motion profile training device, first laminate and the second laminate are vertically arranged and be fixedly connected with bracket, the breaststroke arm
Step structure is equipped with below portion's motion profile training device, for meeting the training demand of different height figure students.
8. vertical breaststroke arm movement track as claimed in claim 7 training system, which is characterized in that first laminate is set
There is head alignment hole, head alignment hole periphery is coated with head index line, is equipped with shoulder indicator board below the head index line,
Head and shoulder are placed on accurate position when for Student Training.
9. a kind of prone type breaststroke arm movement track training system, which is characterized in that including breaststroke arm described in claim 1
Portion's motion profile training device and body support, the body support include horizontally disposed support plate, the branch
Fagging is used to support body, and the support plate is fixedly connected with stabilizer blade, and support plate end is equipped with head support ring, the head branch
Pushing out ring is used to support head, first laminate and the second laminate and body-support plate and is distributed in angle, and angle is 25 ° -30 °.
10. prone type breaststroke arm movement track as claimed in claim 9 training system, which is characterized in that described second connects
Fitting includes the first rod segment and the second rod segment of integral type connection, and first rod segment is threaded rod, and the first rod segment passes perpendicularly through
First laminate and the second laminate, clamp nut has been screwed in the first rod segment, and the clamp nut compresses the first laminate, the second rod segment
It is arranged with the first rod segment in angle, angle and the first laminate or the second laminate are equal with the angle of body-support plate, are used for the
One laminate and the second laminate are supported.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910126769.0A CN109771925B (en) | 2019-02-20 | 2019-02-20 | Frog stroke arm motion trail training device and training system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910126769.0A CN109771925B (en) | 2019-02-20 | 2019-02-20 | Frog stroke arm motion trail training device and training system |
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| Publication Number | Publication Date |
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| CN109771925A true CN109771925A (en) | 2019-05-21 |
| CN109771925B CN109771925B (en) | 2023-04-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN107930067A (en) * | 2017-12-26 | 2018-04-20 | 甚若空游（苏州）智能科技有限公司 | A kind of Three-coordinate type breaststroke training airplane |
| CN108579049A (en) * | 2018-04-25 | 2018-09-28 | 上海理工大学 | Breaststroke training aids |
| CN209828190U (en) * | 2019-02-20 | 2019-12-24 | 山东师范大学 | Breaststroke arm motion trail training device and vertical and prone breaststroke arm motion trail training system |
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| CN109771925B (en) | 2023-04-11 |
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