CN110368706A - A kind of hurdle bracket for sports training - Google Patents

A kind of hurdle bracket for sports training Download PDF

Info

Publication number
CN110368706A
CN110368706A CN201910745521.2A CN201910745521A CN110368706A CN 110368706 A CN110368706 A CN 110368706A CN 201910745521 A CN201910745521 A CN 201910745521A CN 110368706 A CN110368706 A CN 110368706A
Authority
CN
China
Prior art keywords
column
bar
sports training
chassis
bar structure
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201910745521.2A
Other languages
Chinese (zh)
Inventor
曹翔
毛朋涛
栗鹏飞
张睿
赵亮
冯辉
何峰
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhengzhou Railway Vocational and Technical College
Original Assignee
Zhengzhou Railway Vocational and Technical College
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Zhengzhou Railway Vocational and Technical College filed Critical Zhengzhou Railway Vocational and Technical College
Priority to CN201910745521.2A priority Critical patent/CN110368706A/en
Publication of CN110368706A publication Critical patent/CN110368706A/en
Pending legal-status Critical Current

Links

Classifications

    • AHUMAN NECESSITIES
    • A63SPORTS; GAMES; AMUSEMENTS
    • A63KRACING; RIDING SPORTS; EQUIPMENT OR ACCESSORIES THEREFOR
    • A63K3/00Equipment or accessories for racing or riding sports
    • A63K3/04Hurdles or the like

Landscapes

  • Rehabilitation Tools (AREA)

Abstract

The invention discloses a kind of hurdle bracket for sports training, including chassis, the chassis it is horizontally disposed and there are two, and be L-type structure, the frame body to form a concave shape is docked in two described chassis one end;Column, the column is vertically arranged with two, and the column is symmetrically distributed in the two sides of the frame body;Bar structure, there are two the bar structure is horizontally disposed, and described bar structure one end is rotatably assorted by bearing and the column top, the movable end of two bar structures connects and forms the cross bar of a hurdles rack, and the instruction structure of instruction human body and beam contact position is provided on the bar structure.Beneficial effect is: it is easy to assembly by separation design, and be readily transported;It is used by separating hurdles rack, by rotatable bar structure towards the preceding lift leg side of human body, then carries out across leg training, after bar structure is touched in leg, can prevent column and chassis from toppling over, safety is good by cross bar along the rotation of column.

Description

A kind of hurdle bracket for sports training
Technical field
The present invention relates to sports training equipments, hurdling technique field, and in particular to a kind of hurdle bracket for sports training.
Background technique
Sprint events when hurdling in track and field sports are in certain distance, across defined height and quantity Column frame and the project finished the full distance have stronger technical.It is existing hurdle be it is one-piece type, when hurdling trained, especially When being that beginner is trained, it is easy to be tripped, causes somatic damage;And it cannot be to thigh, shank, buttocks in training Commencing height observed, teaching and training effect it is bad.
Summary of the invention
The object of the invention is that providing a kind of hurdle bracket for sports training to solve the above-mentioned problems, the present invention is mentioned Preferred technical solution, which includes, in many technical solutions supplied can prevent from inciting somebody to action when hurdling trained by modular design The technologies such as hurdles rack trips, and influence to hurdling after observation capable of being facilitated to force down physical feeling in training, and using effect is good Effect, elaboration as detailed below.
To achieve the above object, the present invention provides following technical schemes:
A kind of hurdle bracket for sports training provided by the invention, including chassis, the chassis it is horizontally disposed and there are two, and be The frame body to form a concave shape is docked in L-type structure, two described chassis one end;
Column, the column is vertically arranged with two, and the column is symmetrically distributed in the two sides of the frame body;
Bar structure, there are two the bar structure is horizontally disposed, and described bar structure one end passes through bearing and the column Top is rotatably assorted, and the movable end of two bar structures connects and forms the cross bar of a hurdles rack, on the bar structure It is provided with the instruction structure of instruction human body and beam contact position.
Preferably, the chassis is the L-type structure formed by indulging frame and crossbearer, the vertical frame and the crossbearer are horizontal Setting, and end is welded and fixed;The column bottom end and the joint top surface of the crossbearer and the vertical frame are welded and fixed;Its In, the crossbearer of two chassis docks to form concave-shaped structure.
Preferably, the butt end of two crossbearers is provided with the first magnetic structure, two crossbearers pass through first Magnetic structure absorption cooperation.
Preferably, the column includes upper boom and lower beam composition, the upper rod set forms one on the outside of the lower beam and stretches Contracting rod structure is provided with the tight lock part for cooperating the lower beam on the upper boom;
The tight lock part is the knob through the upper boom side, and the knob and the upper boom, which pass through, to be threadedly engaged, and can be with Lower beam contact on the inside of the upper boom is held out against.
Preferably, the lower beam surface is vertically provided with scale.
Preferably, the upper boom top circumferentially forms the rotation slot of the cooperation bar structure rotation.
Preferably, the bar structure includes the turning set covered at the top of the column, the turning set passes through bearing It is rotatably assorted with the column, the turning set side is provided with horizon bar, and the instruction structure is to be evenly distributed on the water The touching instruction unit of the length direction of flat bar, the touching instruction unit can do perpendicular rotation along the axis of the horizon bar;
The abutment end of two horizon bars is provided with the second magnetic part, two horizon bars by second magnetic part, Two horizon bars pass through the absorption cooperation of the second magnetic part.
Preferably, the touching instruction unit includes cricoid lantern ring, the lantern ring inner sleeve is equipped with bearing, the lantern ring It is rotatably assorted by the bearing and the horizon bar, is provided with two bow strips on the circumferential symmetrical two sides outer wall of the lantern ring.
Preferably, the bow strip forms slot far from described lantern ring one end, the flexible material of setting in the slot Expect the lengthening part of support;
The lengthening part is the rubber strip being interference fitted with the slot.
Preferably, the end of the bow strip (303c) is additionally provided with magnetic sheet (303f);The inside of the column (2) is also set Have hinged seat (4), the hinged seat (4) and an iron (5) that can be overturn above and below hingedly, the length and horizon bar of the iron (5) (302) length is identical;And iron (5) is located at the underface of bow strip (303c) vertical state when rotating to horizontal position.
The magnetic absorbing seat (6) for adsorbing iron (5) is additionally provided with immediately below the hinged seat (4).
To sum up, the beneficial effects of the present invention are: 1, it is easy to assembly by separation design, and be readily transported;
2, it is used by separating hurdles rack, by rotatable bar structure towards the preceding lift leg side of human body, is then carried out across leg Training, after bar structure is touched in leg, can prevent column and chassis from toppling over, safety is good by cross bar along the rotation of column;
3, by the way that the touching instruction unit that can be rotated along perpendicular, in training process of hurdling, body are arranged on bar structure When leaping bar structure, after body contact with touching instruction unit, instruction unit rotation can be touched, can to body during hurdling and The contact position of bar structure is observed, convenient for users to corresponding to for touch position to commencing height and technical movements Adjusting, to improve training effect.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with It obtains other drawings based on these drawings.
Fig. 1 is schematic view of the front view of the invention;
Fig. 2 is the portion the A schematic enlarged-scale view of Fig. 1;
Fig. 3 is the left view structural representation of Fig. 1;
Fig. 4 is the schematic perspective view of Fig. 1;
Fig. 5 is the schematic view of the front view of bar structure of the present invention;
Fig. 6 is the schematic view of the front view of present invention touching instruction unit;
Fig. 7 is the left view structural representation of Fig. 6;
Fig. 8 is the structural schematic diagram of Fig. 6;
Fig. 9 is the structural schematic diagram of the first use state of the invention;
Figure 10 is the structural schematic diagram of the second use state of the invention.
The reference numerals are as follows:
1, chassis;101, frame is indulged;102, crossbearer;2, column;201, lower beam;202, scale;203, upper boom;204, rotation slot;3, Bar structure;301, turning set;302, horizon bar;303, instruction unit is touched;303a, lantern ring;303b, bearing;303c, contact Item;303d, slot;303e, lengthening part;303f, magnetic sheet;4, hinged seat;5, iron;6, magnetic absorbing seat.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, technical solution of the present invention will be carried out below Detailed description.Obviously, described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Base Embodiment in the present invention, those of ordinary skill in the art are obtained all without making creative work Other embodiment belongs to the range that the present invention is protected.
Referring to shown in Fig. 1-Figure 10, the present invention provides a kind of hurdle bracket for sports training, including chassis 1, column 2 and cross Rod structure 3.The chassis 1 it is horizontally disposed and there are two, and be L-type structure, two described 1 one end of chassis dock that form one recessed The frame body of font;The column 2 is vertically arranged with two, and the column 2 is symmetrically distributed in the two sides of the frame body;The cross There are two rod structure 3 is horizontally disposed, and 3 one end of the bar structure is rotatably assorted by bearing 303b and 2 top of column, The movable end of two bar structures 3 connects and forms the cross bar of a hurdles rack, is provided with assignor on the bar structure 3 The instruction structure of body and beam contact position is hurdled in training process in user, if user's body is contacted with instruction structure, Touch position can be prompted, in user across after hurdles rack thus convenient for users to technical movements are adjusted.
As optional embodiment, the chassis 1 is the L-type structure formed by indulging frame 101 and crossbearer 102, described vertical Frame 101 and the crossbearer 102 are horizontally disposed, and end is welded and fixed;2 bottom end of column and the crossbearer 102 with it is described The joint top surface of vertical frame 101 is welded and fixed;Wherein, the docking of crossbearer 102 of two chassis 1 forms concave-shaped structure;Two The butt end of crossbearer 102 described in root is provided with the first magnetic structure, and two crossbearers 102 are matched by the absorption of the first magnetic structure It closes, the first magnetic structure is to be mounted on two 102 abutting ends of crossbearer and opposite polarity magnet, is attracted by the first magnetic structure Two crossbearers 102, can be improved the stability of two chassis 1 cooperation, and facilitate the butt junction location of two chassis 1;
The column 2 includes that upper boom 203 and lower beam 201 form, and 203 sets of the upper boom form one on the outside of the lower beam 201 and stretch Contracting rod structure is provided with the tight lock part for cooperating the lower beam 201 on the upper boom 203;The tight lock part is through the upper boom The knob of 203 sides, the knob passes through with the upper boom 203 to be threadedly engaged, and can be with the lower beam of 203 inside of upper boom 201 contacts are held out against;203 top of upper boom circumferentially forms the rotation slot 204 that the cooperation bar structure 3 rotates, rotation 301 sets are covered in 204 outside of rotation slot, and are rotatably assorted with 204 inner wall of rotation slot;
201 surface of lower beam is vertically provided with scale 202, by the way that scale 202 is arranged, adjusts the position of upper boom 203 and lower beam 201 Postpone, can the height of column 2 observed, and then the height of bar structure 3 is observed, to facilitate different users couple The demand for height of hurdling;
The bar structure 3 includes the turning set 301 covered at 2 top of the column, the turning set 301 by bearing with it is described Column 2 is rotatably assorted, and 301 side of turning set is provided with horizon bar 302, and the instruction structure is to be evenly distributed on the water The touching instruction unit 303 of the length direction of flat bar 302, the touching instruction unit 303 can be done perpendicular along the axis of the horizon bar 302 Straight Plane Rotation;The abutment end of two horizon bars 302 is provided with the second magnetic part, and two horizon bars 302 pass through institute The second magnetic part is stated, two horizon bars 302 are to fix by screw by the absorption cooperation of the second magnetic part, the second magnetic part In two 302 ends of horizon bar and opposite polarity two blocks of magnet, by being fixed for two 302 ends of horizon bar, can mention The stability of 3 position of bar structure when high hurdles rack uses;
The touching instruction unit 303 includes cricoid lantern ring 303a, and the lantern ring 303a inner sleeve is equipped with bearing 303b, the set Ring 303a is rotatably assorted by bearing 303b with the horizon bar 302, on the circumferential symmetrical two sides outer wall of the lantern ring 303a Be provided with two bow strips 303, when hurdling trained, bow strip 303 is vertically arranged, during user hurdles, if body with Bow strip 303 contacts, and bow strip 303 drives lantern ring 303a rotation, that is, represents jumping height deficiency, or need to adjust user Jumping height;
The bow strip 303 forms slot 303d far from the one end the lantern ring 303a, and setting is flexible in the slot 303d The lengthening part 303e of materials for support;The lengthening part 303e is the rubber strip being interference fitted with the slot 303d, by connecing After the end touch article 303c is inserted into rubber strip and is set as vertical state together with bow strip 303c, the highest of bar structure 3 can be improved The height of point, adapts to the practice demand of different users.
Using the above structure, there are two types of use states altogether for this hurdles rack, the first is as shown in figure 8, using a chassis 1, one Column 2 and a bar structure 3 composition can carry out in use, the body of the movable end of cross bar towards user are lifted leg side across leg Practice can force down the height of leg, until leg according to the height of horizon bar 302 and touching instruction unit 303 during practice Portion is contacted with touching instruction unit 303, the technical movements of leg corresponding position can be adjusted by observation touch position, with Reach and complete to hurdle movement under the premise of lowering the center of gravity as far as possible, in this case in use, leg is contacted with bar structure 3 touches When hitting, bar structure 3 is rotated along 2 top of column, will not be toppled over 2 band of column, safety is good.
Second of use state as shown in figure 9, be assembled state, by touch instruction unit 303 two bow strip 303c it is equal It adjusts to vertical state, at this point, the top bow strip 303c in eminence is the highest point of hurdles rack, in practice process of hurdling In, if the jumping height of body is insufficient, the touching instruction unit 303 that body will drive corresponding position rotates, to help to use Technical movements are adjusted in person, prevent body from contacting with bar structure 3, convenient for users to technical movements are adjusted, mention High training effect.
It is easy to assembly by separation design, and be readily transported;It is used by separating hurdles rack, it will be rotatable horizontal Rod structure 3 then carries out across leg training towards the preceding lift leg side of human body, after bar structure 3 is touched in leg, can pass through cross bar edge The rotation of column 2 prevents column 2 and chassis 1 from toppling over, and safety is good;
By the way that the touching instruction unit 303 that can be rotated along perpendicular, in training process of hurdling, body are arranged on bar structure 3 Body is when leaping bar structure 3, after body contact with touching instruction unit 303, can touch instruction unit 303 and rotate, can be to hurdling The contact position of body and bar structure 3 is observed in journey, convenient for users to being directed to touch position to commencing height and technology Movement carries out corresponding adjusting, to improve training effect.
As shown in Fig. 2, for the ease of the vertical state for making bow strip 303c quickly restore initial, the bow strip 303c End be additionally provided with magnetic magnetic sheet 303f;The inside of the column 2 is additionally provided with hinged seat 4, which can The iron 5 overturn above and below is hinged, and the length of the iron 5 is identical as the length of horizon bar 302;And iron 5 rotates to horizontal position When positioned at the underface of bow strip 303c vertical state.The underface of the hinged seat 4 is additionally provided with the magnetic for adsorbing iron 5 Seat 6.When specific operation, it holds iron 5 and rotates it to horizontal position, then stir bow strip 303c, when magnetic sheet 303f rotates When to 5 corresponding position of iron, due to the adsorption capacity of magnetic sheet 303f and iron 5, bow strip 303f can be made quickly to be in Vertical state, use are very convenient.When bow strip 303c is restored to vertical state, overturning iron 5 is sagging, makes under iron 5 End is contacted with magnetic absorbing seat 6, so as to fixed iron 5.
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any Those familiar with the art in the technical scope disclosed by the present invention, can easily think of the change or the replacement, and should all contain Lid is within protection scope of the present invention.Therefore, protection scope of the present invention should be based on the protection scope of the described claims.

Claims (10)

1. a kind of hurdle bracket for sports training, which is characterized in that including
Chassis (1), the chassis (1) it is horizontally disposed and there are two, and be L-type structure, two chassis (1) one end docking Form the frame body of a concave shape;
Column (2), the column (2) is vertically arranged with two, and the column (2) is symmetrically distributed in the two sides of the frame body;
Bar structure (3), there are two the bar structure (3) is horizontally disposed, and the bar structure (3) one end passes through bearing (303b) is rotatably assorted with the column (2) top, and the movable end of two bar structures (3) connects and forms a hurdles rack Cross bar, the instruction structure of instruction human body and beam contact position is provided on the bar structure (3).
2. a kind of hurdle bracket for sports training according to claim 1, it is characterised in that: the chassis (1) is by indulging frame (101) it is horizontally disposed with the L-type structure of crossbearer (102) composition, the vertical frame (101) and the crossbearer (102), and end weldering Connect fixation;Column (2) bottom end is welded and fixed with the crossbearer (102) and the joint top surface of the vertical frame (101);Its In, crossbearer (102) docking of two chassis (1) forms concave-shaped structure.
3. a kind of hurdle bracket for sports training according to claim 2, it is characterised in that: pair of two crossbearers (102) It connects end and is provided with the first magnetic structure, two crossbearers (102) pass through the absorption cooperation of the first magnetic structure.
4. a kind of hurdle bracket for sports training according to claim 1, it is characterised in that: the column (2) includes upper boom (203) it is formed with lower beam (201), the upper boom (203) covers forms a Telescopic rod structure on the outside of the lower beam (201), described The tight lock part for cooperating the lower beam (201) is provided on upper boom (203);
The tight lock part is the knob through the upper boom (203) side, and the knob is matched with the upper boom (203) by screw thread It closes, and can contact and hold out against with the lower beam (201) on the inside of the upper boom (203).
5. a kind of hurdle bracket for sports training according to claim 4, it is characterised in that: lower beam (201) surface is vertical It is provided with scale (202).
6. a kind of hurdle bracket for sports training according to claim 4, it is characterised in that: upper boom (203) top is circumferential Form the rotation slot (204) of the cooperation bar structure (3) rotation.
7. a kind of hurdle bracket for sports training according to claim 1, it is characterised in that: the bar structure (3) includes set Turning set (301) at the top of the column (2), the turning set (301) are rotatably assorted by bearing with the column (2), Turning set (301) side is provided with horizon bar (302), and the instruction structure is to be evenly distributed on the horizon bar (302) Length direction touching instruction unit (303), touching instruction unit (303) can do perpendicular along the axis of the horizon bar (302) Straight Plane Rotation;
The abutment end of two horizon bars (302) is provided with the second magnetic part, and two horizon bars (302) pass through described the Two magnetic parts, two horizon bars (302) pass through the absorption cooperation of the second magnetic part.
8. a kind of hurdle bracket for sports training according to claim 7, it is characterised in that: touching instruction unit (303) packet It includes cricoid lantern ring (303a), lantern ring (303a) inner sleeve is equipped with bearing (303b), and the lantern ring (303a) passes through the axis It holds (303b) to be rotatably assorted with the horizon bar (302), is provided with two on the circumferential symmetrical two sides outer wall of the lantern ring (303a) Bow strip (303c).
9. a kind of hurdle bracket for sports training according to claim 8, it is characterised in that: the bow strip (303) is far from institute It states the one end lantern ring (303a) to form slot (303d), the lengthening part of resilient material is provided in the slot (303d) (303e);
The lengthening part (303e) is the rubber strip being interference fitted with the slot (303d).
10. a kind of hurdle bracket for sports training according to claim 8, it is characterised in that: the end of the bow strip (303c) Portion is additionally provided with magnetic sheet (303f);Hinged seat (4) are additionally provided on the inside of the column (2), which can be upper and lower with one Hingedly, the length of the iron (5) is identical as the length of horizon bar (302) for the iron (5) of overturning;And iron (5) rotates to level It is located at the underface of bow strip (303c) vertical state when position;
The magnetic absorbing seat (6) for adsorbing iron (5) is additionally provided with immediately below the hinged seat (4).
CN201910745521.2A 2019-08-13 2019-08-13 A kind of hurdle bracket for sports training Pending CN110368706A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910745521.2A CN110368706A (en) 2019-08-13 2019-08-13 A kind of hurdle bracket for sports training

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910745521.2A CN110368706A (en) 2019-08-13 2019-08-13 A kind of hurdle bracket for sports training

Publications (1)

Publication Number Publication Date
CN110368706A true CN110368706A (en) 2019-10-25

Family

ID=68259149

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201910745521.2A Pending CN110368706A (en) 2019-08-13 2019-08-13 A kind of hurdle bracket for sports training

Country Status (1)

Country Link
CN (1) CN110368706A (en)

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2601709Y (en) * 2003-02-17 2004-02-04 周鹏 Hurdle for safe practising
CN201692668U (en) * 2010-04-22 2011-01-05 邵波 Hurdle for training
CN103721425A (en) * 2012-10-14 2014-04-16 张琳 Hurdling device for training
CN204522316U (en) * 2015-04-21 2015-08-05 东北石油大学 A kind of intelligence is hurdled trainer
CN106377909A (en) * 2016-10-25 2017-02-08 钟贵洪 Safe automatic centralizing hurdle
CN206167944U (en) * 2016-11-17 2017-05-17 深圳科学高中 Ware of hurdling is inhaled to upper and lower split type magnetism
CN107930162A (en) * 2017-11-07 2018-04-20 周口师范学院 A kind of Multifunctional sports hurdles rack
CN207755783U (en) * 2018-01-24 2018-08-24 佳木斯大学 A kind of athletic training is with hurdling

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2601709Y (en) * 2003-02-17 2004-02-04 周鹏 Hurdle for safe practising
CN201692668U (en) * 2010-04-22 2011-01-05 邵波 Hurdle for training
CN103721425A (en) * 2012-10-14 2014-04-16 张琳 Hurdling device for training
CN204522316U (en) * 2015-04-21 2015-08-05 东北石油大学 A kind of intelligence is hurdled trainer
CN106377909A (en) * 2016-10-25 2017-02-08 钟贵洪 Safe automatic centralizing hurdle
CN206167944U (en) * 2016-11-17 2017-05-17 深圳科学高中 Ware of hurdling is inhaled to upper and lower split type magnetism
CN107930162A (en) * 2017-11-07 2018-04-20 周口师范学院 A kind of Multifunctional sports hurdles rack
CN207755783U (en) * 2018-01-24 2018-08-24 佳木斯大学 A kind of athletic training is with hurdling

Similar Documents

Publication Publication Date Title
CN106125833B (en) A kind of location structure of convertible touch display screen
CN106073252A (en) The seat that anti-layback is toppled over
CN110368706A (en) A kind of hurdle bracket for sports training
CN104687823B (en) A kind of Portable multifunctional folding seat
KR100950816B1 (en) Apparatus for correction golf pose
CN110223567B (en) Teaching aid for news major teaching
KR101157540B1 (en) Robot neck joint structure
CN107233171A (en) A kind of adjustable care bed of table
CN209750468U (en) Multifunctional shaking table
JP3196677U (en) Elliptical trainer
CN210930389U (en) Sitting posture correction device for education and learning
CN210203901U (en) Multifunctional desk suitable for children to learn
CN208863884U (en) A kind of bracket and its chair
CN208274437U (en) A kind of Rocking-chair for child
CN206792941U (en) Arm muscles balance exercise device
CN207383924U (en) A kind of student's desk
CN108785998A (en) A kind of medical operating podarthrum exercise device
CN203829252U (en) Bedside upper limb intelligent exercise rehabilitation machine
KR101676352B1 (en) Portable Chair
CN215195282U (en) Digital rehabilitation training platform
CN205412092U (en) Massage exercising apparatus
CN218607963U (en) Frame is corrected in wushu training action
CN210249010U (en) Preschool education safety height-adjustable desk
CN211025063U (en) Supplementary teaching device of swimming
CN213527381U (en) Basketball stands of adjustable height for sports training

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication
RJ01 Rejection of invention patent application after publication

Application publication date: 20191025