CN110743144A - Telescopic detachable badminton racket - Google Patents
Telescopic detachable badminton racket Download PDFInfo
- Publication number
- CN110743144A CN110743144A CN201911001201.2A CN201911001201A CN110743144A CN 110743144 A CN110743144 A CN 110743144A CN 201911001201 A CN201911001201 A CN 201911001201A CN 110743144 A CN110743144 A CN 110743144A
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- China
- Prior art keywords
- racket
- rod
- shaped hook
- hook
- movable groove
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- 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.)
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Classifications
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- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B49/00—Stringed rackets, e.g. for tennis
- A63B49/02—Frames
-
- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B49/00—Stringed rackets, e.g. for tennis
- A63B49/02—Frames
- A63B49/08—Frames with special construction of the handle
-
- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B2102/00—Application of clubs, bats, rackets or the like to the sporting activity ; particular sports involving the use of balls and clubs, bats, rackets, or the like
- A63B2102/04—Badminton
Abstract
The invention provides a telescopic detachable badminton racket, which comprises a racket face, a racket rod, a racket handle, a screw rod, a nut, a spring, a string, an anchor type hook, a J-shaped hook, a cylinder button movable groove and the like. After the button is pressed, the J-shaped hook moves downwards in the movable groove on the lower portion of the J-shaped hook through the square hole in the bottom of the movable groove of the cylindrical button, the anchor hook is released, the thin wire is retracted through the spring to pull the anchor hook towards the top end of the racket rod until the inner rod outer wall clamping groove and the outer rod inner wall clamping groove are mutually fixed, and the extension work is completed. And then the screw rod of the racket surface and the screw cap of the racket rod can be screwed tightly to complete the splicing of the badminton racket. When the racket is contracted, the racket surface can be firstly disassembled, and then the racket rod is manually contracted to the position where the anchor hook and the J-shaped hook are mutually restricted, so that the contraction work is completed. When the badminton racket rod is contracted, the anchor hook and the J-shaped hook in the racket handle are mutually fixed, and the spring is in a tightened state. The badminton racket can effectively save space, is convenient to carry and saves manpower.
Description
Technical Field
The invention relates to the field of sports goods, in particular to a telescopic detachable badminton racket.
Background
Nowadays, people in society have increasing pressure on life day by day, and exercising the body is the best way to relieve pressure at leisure. Shuttlecocks are one of the most convenient ball games and have extremely high popularity nationwide. The existing badminton racket is composed of a racket face, a racket rod and a racket handle, is light in material and good in elasticity, but is mostly of an integrated structure, too large in length and inconvenient to carry.
Disclosure of Invention
Aiming at the problems shown in the background technology, the invention designs the telescopic detachable badminton racket, which shortens the length, is convenient to carry and effectively saves the utilization space by stretching and detaching.
In order to achieve the technical features, the invention is realized as follows: a telescopic detachable badminton racket comprises a racket face, a racket rod and a racket handle, wherein a screw is arranged in the center of the bottom of the racket face for a nut arranged on the T head of the racket rod to be screwed and fixed, and the bottom of the racket face is connected with the racket rod; the racket rod comprises an outer rod and an inner rod, the outer rod and the inner rod are both formed by hexagonal outer wall structures and are mutually nested and connected, the inner wall of the outer rod is provided with two outer rod inner wall clamping grooves, and the outer wall of the inner rod is provided with two inner rod outer wall clamping grooves; the inner rod is internally provided with a strong spring, a thin rope and an anchor type hook, the thin rope penetrates through the center of the strong spring and is fixed on the anchor type hook, and the bottom of the racket rod is connected with a racket handle; the racket handle comprises a front sleeve, a middle sleeve and a rear sleeve, a cylindrical button movable groove is arranged in the middle sleeve, a circular button and a J-shaped hook are arranged in the cylindrical button movable groove, and grooves are formed in four corners of the bottom of the J-shaped hook and are nested with springs; the J-shaped hook is arranged in the movable groove, upward bulges are arranged at four corners inside the movable groove, and the bulges are mutually nested with the springs at the four corners.
The length of the racket face is 240 mm, the width of the racket face is 200mm, a screw is arranged at the bottom of the center of the racket face, the length of the screw is 12-15mm, and the width of the screw is 6-8mm, so that a nut of the T-shaped head of the racket rod can be screwed and fixed.
The nut of the T-shaped head of the racket rod is 10-13mm long and 5-7mm wide; the length of the racket rod is 160-170mm after the racket rod is completely stretched, and the length of the racket rod after the racket rod is completely contracted is 1/3 the length of the racket rod after the racket rod is stretched; the length of the outer rod is 90-100mm, and the width is 8-10 mm; the length of the inner rod is 90-100mm, and the width is 5-7 mm; the clamping groove of the inner wall of the outer rod on the inner wall of the outer rod is 1-2mm wide and 10-20mm apart; the clamping groove of the outer wall of the inner rod on the outer wall of the inner rod is 1-2mm wide and 10-20mm apart; when the racket rod extends, the two clamping grooves of each part of the inner rod and the outer rod are mutually fixed, and the relative sliding displacement of the inner rod and the outer rod is controlled to be 60-70 mm.
The outer rod and the inner rod are mutually nested and are of hexagonal outer wall structures, so that relative rotation between the inner rod and the outer rod is prevented.
The part of 20-30mm of the bottom of the inner rod is arranged inside the racket handle, and the racket rod is connected with the racket handle.
The width of the strong spring in the racket rod is 6-7 mm; the length of the thin rope is 190-210mm, and the width is 1-1.5 mm; the length of the anchor type hook is 30-40mm, and the width is 6-7 mm; when the racket rod is in a contraction state, the anchor hook and the J-shaped hook are mutually fixed.
The length of the racket handle is 200-220mm, and the width is 25-30 mm; the front sleeve is 50mm long; the length of the middle sleeve is 130-150mm, and the width is 20-30 mm; the rear sleeve is 15-20mm long and 25-30mm wide.
The cylinder button movable groove is arranged at a position 20-30mm away from the front sleeve, and is 10-15mm deep and 15-20mm wide; the bottom of the movable groove of the cylindrical button is provided with a square hole with the width of 5-8mm, so that the J-shaped hook can slide up and down;
the J-shaped hook is of a tetragonal structure, the upper half part of the J-shaped hook is fixed at a square hole at the bottom of the movable groove of the cylindrical button, and the lower half part of the J-shaped hook is fixed in the movable groove at the lower part of the J-shaped hook;
the upper part of the J-shaped hook is provided with a round button, the diameter of the round button is 15-20mm, and the thickness of the round button is 1-2 mm;
the diameter of the groove wrapped at the lower part of the J-shaped hook is 2-3mm, and the depth of the groove is 1-2 mm.
The length of the movable groove at the lower part of the J-shaped hook is 10-20mm, the width is 5-8mm, and the height is 5-10 mm;
the protrusions at the four corners of the movable groove at the lower part of the J-shaped hook are 2-3mm wide and 3-5mm long;
the spring at the four corners of the movable groove at the lower part of the J-shaped hook has the diameter of 2-3mm and the length of 5-10 mm.
According to the using method of the telescopic detachable badminton racket, when a badminton racket rod is contracted, the anchor type hook and the J-shaped hook in the racket handle are fixed with each other, the outer rod is positioned outside the inner rod, and the spring is in a tightened state;
when a person presses a button on the racket handle, the J-shaped hook moves downwards in the movable groove at the lower part of the J-shaped hook through the square hole at the bottom of the movable groove of the cylindrical button to release the anchor hook, the thin wire pulls the anchor hook towards the top end of the racket rod through the contraction force of the spring until the anchor hook is pulled until the clamping grooves on the outer wall of the inner rod and the inner wall of the outer rod are mutually fixed, and then the extension work is finished;
after the round button is pressed down, the round button is pushed back to the original position again under the elastic force of the spring, and then the screw rod of the racket surface is screwed with the screw cap of the racket rod to complete the splicing of the badminton racket;
when the racket is contracted, the racket surface is firstly disassembled, and then the racket rod is manually contracted to the position where the anchor hook and the J-shaped hook can be mutually restricted, so that the contraction work is completed.
The invention has the following beneficial effects:
the racket rod can be contracted by pressing the button, so that part of the racket rod is contracted into the racket handle, and the contraction effect is achieved by mutually fixing the anchor type hook and the J-shaped hook. Meanwhile, the racket face can be detached, so that the effect of saving space is achieved.
Drawings
The invention is further illustrated by the following figures and examples.
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a schematic view of the configuration of the racket shaft of the present invention when it is elongated.
Fig. 3 is a schematic view of the structure of the racket shaft of the present invention.
Fig. 4 is a schematic view of the structure of the racket shaft of the present invention.
Fig. 5 is a schematic view of a J-hook configuration of the present invention.
Fig. 6 is a schematic view of the structure of the movable groove below the J-shaped hook of the present invention.
In the figure: the racket comprises a racket face 1, a racket rod 2, a racket handle 3, a screw rod 4, a screw cap 5, an outer rod 6, an inner rod 7, an inner wall clamping groove 8 of the outer rod, an outer wall clamping groove 9 of the inner rod, a strong spring 10, a thin rope 11, an anchor type hook 12, a front sleeve 13, a middle sleeve 14, a rear sleeve 15, a button movable groove 16, a button 17, a J-shaped hook 18, a protrusion 19, a movable groove spring 20, a groove 21 and a movable groove 22.
Detailed Description
Embodiments of the present invention will be further described with reference to the accompanying drawings.
Example 1:
referring to fig. 1, a telescopic detachable badminton racket comprises a racket face 1, a racket rod 2 and a racket handle 3.
Referring to fig. 2, the length of the racket face 1 is 240 mm and the width is 200mm, a screw rod 4 is arranged at the bottom of the right center of the racket face 1, and the length of the screw rod 4 is 12-15mm, and the width is 6-8mm, so that a screw cap 5 at the head of the racket rod 2T can be screwed and fixed.
Preferably, a screw rod 4 is arranged at the center of the bottom of the racket face 1 for a screw cap 5 arranged at the head of the racket rod 2T to be screwed and fixed, and the bottom of the racket face 1 is connected with the racket rod 2.
Preferably, the racket shaft 2 comprises an outer shaft 6 and an inner shaft 7; the outer rod 6 and the inner rod 7 are both formed by hexagonal outer wall structures and are mutually nested, two clamping grooves 8 are formed in the inner wall of the outer rod 6, and two clamping grooves 9 are formed in the outer wall of the inner rod 7.
Preferably, the rod comprises a strong spring 10, a string 11 and an anchor 12, the string 11 passes through the center of the strong spring 10 and is fixed on the anchor 12, and the bottom of the racket rod 2 is connected with the racket handle 3.
Preferably, the length of the racket shaft 2 after being completely stretched is 160-170mm, and the length of the racket shaft 2 after being completely contracted is about 1/3 which is the length of the racket shaft 2 after being stretched.
Preferably, the handle 3 comprises a front sleeve 13, a middle sleeve 14 and a rear sleeve 15; the middle sleeve 14 is provided with a cylinder button movable groove 16, and the cylinder button movable groove 16 comprises a button 17 and a J-shaped hook 18.
Preferably, the four corners of the bottom of the J-shaped hook 18 are provided with grooves 21 which are nested with the spring 20; the J-shaped hook 18 is positioned in the movable groove 22, upward protrusions 19 are arranged at four corners inside the movable groove 22, and the protrusions 19 are mutually nested with the springs 20 at the four corners.
The screw cap 5 of the 2T head of the racket rod is 10-13mm long and 5-7mm wide.
Preferably, the strong spring 10 is based on that the pressure 30N applied by a hand of a person in the umbrella folding process is compressed by 6cm until the J-shaped hook and the anchor hook are buckled with each other:
the elastic coefficient: k = F/x =30N/0.06m =500N/m
The spring constant of the power spring 10 is chosen to be 500N/m.
Preferably, the part of 20-30mm of the bottom of the inner rod 7 is arranged inside the racket handle 3 and plays a role in connecting the racket rod 2 with the racket handle 3.
Preferably, the internal strong spring 10 of the racket shaft 2 has a width of 6-7 mm.
Preferably, the string 11 is 190 mm long and 210mm wide, and 1-1.5mm wide.
Preferably, the anchor hook 12 is 30-40mm long and 6-7mm wide.
Preferably, the anchor hooks 12 and the J-shaped hooks 18 are fixed to each other when the racket shaft 2 is in a contracted state.
Referring to fig. 3, preferably, the outer rod 6 has a length of 90-100mm and a width of 8-10 mm; the length of the inner rod 7 is 90-100mm, and the width is 5-7 mm.
Preferably, the width of the clamping groove on the inner wall of the outer rod 6 is 1-2mm, and the distance is 10-20 mm; the width of the clamping groove on the outer wall of the inner rod 7 is 1-2mm, and the distance is 10-20 mm.
Preferably, when the racket rod 2 extends, the two clamping grooves of the inner rod 7 and the outer rod 6 are fixed with each other, and the inner rod 7 and the outer rod 6 are displaced by 60-70mm relatively.
Preferably, when the racket rod 2 is contracted, the inner rod 7 and the outer rod 6 are relatively displaced by 60-70 mm.
Preferably, the outer rod 6 and the inner rod 7 are nested with each other and both have a hexagonal outer wall structure, so as to prevent the inner rod 7 and the outer rod 6 from rotating relatively.
Referring to fig. 4, the handle 3 is 200mm and 220mm long and 25 mm to 30mm wide.
Preferably, the front cover 13 is 50mm long.
Preferably, the middle sleeve 14 is 130 mm and 150mm long and 20mm to 30mm wide.
Preferably, the rear cover 15 is 20mm long and 25-30mm wide.
Preferably, the cylinder button movable groove 16 is arranged at a position 1320-30mm away from the front sleeve, and the cylinder button movable groove 16 is 10-15mm deep and 15-20mm in diameter
Preferably, the bottom of the cylindrical button movable groove 16 is provided with a square hole with a width of 5-8mm, so that the J-shaped hook 18 can slide up and down.
Referring to fig. 5, the upper part of the J-shaped hook 18 is provided with a round button 17, the diameter of which is 15-20mm, and the thickness of which is 1-2 mm.
Referring to fig. 6, the movable groove 22 at the lower part of the J-shaped hook 18 has a length of 10-20mm, a width of 5-8mm and a height of 5-10 mm.
Preferably, the protrusions 19 at the four corners of the movable groove 22 at the lower part of the J-shaped hook 18 are 2-3mm wide and 3-5mm long.
Preferably, the spring 20 at the four corners of the movable groove 22 at the lower part of the J-shaped hook 18 has a diameter of 2-3mm and a length of 5-10 mm.
Example 2:
according to the using method of the telescopic detachable badminton racket, when the badminton racket rod 2 is contracted, the anchor type hook 12 and the J-shaped hook 18 in the racket handle 3 are fixed with each other, the outer rod 6 is positioned outside the inner rod 7, and the spring is in a tightened state;
when a person presses a button 17 on the racket handle 3, the J-shaped hook 18 moves downwards in a movable groove at the lower part of the J-shaped hook 18 through a square hole at the bottom of a cylindrical button movable groove 16 to release the anchor hook 12, the thin wire pulls the anchor hook 12 towards the top end of the racket rod 2 through the contraction force of the spring until the outer wall clamping groove 9 of the inner rod 7 and the inner wall clamping groove 8 of the outer rod 6 are fixed with each other, and the extension work is finished;
after the round button 17 is pressed down, the round button 17 is pushed back to the original position again under the elastic force of the spring, and then the screw 4 of the racket face 1 is screwed with the screw cap 5 of the racket rod 2 to complete the splicing of the badminton racket;
when in contraction, the racket face 1 is firstly disassembled, and then the racket rod 2 is manually contracted to the position where the anchor type hook 12 and the J-shaped hook 18 can be mutually restricted, thus finishing the contraction work.
Claims (10)
1. The utility model provides a telescopic racket of dismantling which characterized in that: the racket comprises a racket face (1), a racket rod (2) and a racket handle (3), wherein a screw rod (4) is arranged at the center of the bottom of the racket face (1) for a screw cap (5) arranged on the T head of the racket rod (2) to be screwed and fixed, and the bottom of the racket face (1) is connected with the racket rod (2); the racket rod (2) comprises an outer rod (6) and an inner rod (7), the outer rod (6) and the inner rod (7) are both formed by hexagonal outer wall structures and are connected in a nested manner, two outer rod inner wall clamping grooves (8) are formed in the inner wall of the outer rod (6), and two inner rod outer wall clamping grooves (9) are formed in the outer wall of the inner rod (7); a strong spring (10), a thin rope (11) and an anchor hook (12) are arranged in the inner rod (7), the thin rope (11) penetrates through the center of the strong spring (10) and is fixed on the anchor hook (12), and the bottom of the racket rod (2) is connected with the racket handle (3); the racket handle (3) comprises a front sleeve (13), a middle sleeve (14) and a rear sleeve (15), a cylindrical button movable groove (16) is arranged inside the middle sleeve (14), a circular button (17) and a J-shaped hook (18) are arranged inside the cylindrical button movable groove (16), and grooves (21) are arranged at four corners of the bottom of the J-shaped hook (18) and are nested with springs (20); the J-shaped hook (18) is arranged in the movable groove (22), upward protrusions (19) are arranged at four corners inside the movable groove (22), and the protrusions (19) and the springs (20) at the four corners are mutually nested.
2. The telescopic detachable badminton racket of claim 1, characterized in that: the racket surface (1) is 240 mm and 250mm in length and 200mm in width, a screw rod (4) is arranged at the bottom of the center of the racket surface (1), and the screw rod (4) is 12-15mm in length and 6-8mm in width and is used for screwing and fixing a screw cap (5) of a T head of the racket rod (2).
3. The telescopic detachable badminton racket of claim 1, characterized in that: the nut (5) of the T-shaped head of the racket rod (2) is 10-13mm long and 5-7mm wide; the length of the racket rod (2) is 160-170mm after the racket rod (2) is completely stretched, and the length of the racket rod (2) after the racket rod (2) is completely contracted is 1/3 which is the length of the racket rod (2) after the racket rod is stretched; the length of the outer rod (6) is 90-100mm, and the width is 8-10 mm; the length of the inner rod (7) is 90-100mm, and the width is 5-7 mm; the width of an outer rod inner wall clamping groove (8) on the inner wall of the outer rod (6) is 1-2mm, and the distance is 10-20 mm; the width of an inner rod outer wall clamping groove (9) on the outer wall of the inner rod (7) is 1-2mm, and the distance is 10-20 mm; when the racket rod (2) extends, the two clamping grooves of each part of the inner rod (7) and the outer rod (6) are mutually fixed, and the relative sliding displacement of the inner rod (7) and the outer rod (6) is controlled to be 60-70 mm.
4. The telescopic detachable badminton racket as claimed in claim 1 or 3, wherein: the outer rod (6) and the inner rod (7) are mutually nested and are of hexagonal outer wall structures, so that relative rotation between the inner rod (7) and the outer rod (6) is prevented.
5. The telescopic detachable badminton racket as claimed in claim 1 or 3, wherein: the part of 20-30mm of the bottom of the inner rod (7) is arranged inside the racket handle (3) and ensures that the racket rod (2) is connected with the racket handle (3).
6. The telescopic detachable badminton racket as claimed in claim 1 or 3, wherein: the width of a strong spring (10) in the racket rod (2) is 6-7 mm; the length of the thin rope (11) is 190-210mm, and the width is 1-1.5 mm; the length of the anchor type hook (12) is 30-40mm, and the width is 6-7 mm; when the racket rod (2) is in a contraction state, the anchor hook (12) and the J-shaped hook (18) are mutually fixed.
7. The telescopic detachable badminton racket as claimed in claim 1 or 3, wherein: the racket handle (3) is 200-220mm long and 25-30mm wide; the front sleeve (13) is 50mm long; the length of the middle sleeve (14) is 150mm, and the width is 20-30 mm; the rear sleeve (15) has a length of 15-20mm and a width of 25-30 mm.
8. The telescopic detachable badminton racket as claimed in claim 1 or 3, wherein: the cylindrical button movable groove (16) is arranged at a position 20-30mm away from the front sleeve (13), and the depth of the cylindrical button movable groove (16) is 10-15mm, and the width of the cylindrical button movable groove is 15-20 mm; the bottom of the cylindrical button movable groove (16) is provided with a square hole with the width of 5-8mm, so that the J-shaped hook (18) can slide up and down;
the J-shaped hook (18) is of a tetragonal structure, the upper half part of the J-shaped hook is fixed at a square hole at the bottom of the cylindrical button movable groove (16), and the lower half part of the J-shaped hook is fixed in the movable groove at the lower part of the J-shaped hook (18);
the upper part of the J-shaped hook (18) is provided with a round button (17), the diameter of the round button is 15-20mm, and the thickness of the round button is 1-2 mm;
the diameter of the groove (21) wrapped at the lower part of the J-shaped hook (18) is 2-3mm, and the depth is 1-2 mm.
9. The telescopic detachable badminton racket as claimed in claim 1 or 7, wherein: the length of the movable groove (22) at the lower part of the J-shaped hook (18) is 10-20mm, the width is 5-8mm, and the height is 5-10 mm;
the protrusions (19) at the four corners of the movable groove (22) at the lower part of the J-shaped hook (18) are 2-3mm wide and 3-5mm long;
the springs (20) at the four corners of the movable groove (22) at the lower part of the J-shaped hook (18) have the diameter of 2-3mm and the length of 5-10 mm.
10. The use method of the telescopic detachable badminton racket of any one of claims 1 to 9, characterized in that: when the badminton racket rod (2) is contracted, the anchor type hook (12) and the J-shaped hook (18) in the racket handle (3) are mutually fixed, the outer rod (6) is positioned outside the inner rod (7), and the spring is in a tightened state;
when a person presses a button (17) on the racket handle (3), the J-shaped hook (18) moves downwards in a movable groove at the lower part of the J-shaped hook (18) through a square hole at the bottom of a cylindrical button movable groove (16) to release the anchor hook (12), the thin wire pulls the anchor hook (12) to the top end of the racket rod (2) through the contraction force of the spring until the outer wall clamping groove (9) of the inner rod (7) and the inner wall clamping groove (8) of the outer rod (6) are fixed with each other, and then the extension work is completed;
after the round button (17) is pressed down, the round button (17) is pushed back to the original position again under the elastic force of the spring, and then the screw rod (4) of the racket face (1) is screwed with the screw cap (5) of the racket rod (2) to complete the splicing of the badminton racket;
when in contraction, the racket face (1) is firstly disassembled, and then the racket rod (2) is manually contracted to the position where the anchor hook (12) and the J-shaped hook (18) can be mutually restricted, thus finishing the contraction work.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911001201.2A CN110743144A (en) | 2019-10-21 | 2019-10-21 | Telescopic detachable badminton racket |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911001201.2A CN110743144A (en) | 2019-10-21 | 2019-10-21 | Telescopic detachable badminton racket |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110743144A true CN110743144A (en) | 2020-02-04 |
Family
ID=69279112
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911001201.2A Pending CN110743144A (en) | 2019-10-21 | 2019-10-21 | Telescopic detachable badminton racket |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110743144A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114719163A (en) * | 2021-04-21 | 2022-07-08 | 苏州方圆保安服务有限公司 | Square-round parking lot safety monitoring device mounting table |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1199253A1 (en) * | 1982-05-18 | 1985-12-23 | Rodionova Valentina N | Racket for sportive game |
| DE29807132U1 (en) * | 1998-04-20 | 1998-07-02 | Luber Josef | Tennis racket with telescopic handle |
| CN201253453Y (en) * | 2008-08-16 | 2009-06-10 | 陈骐 | Telescopic badminton racket |
| CN207412645U (en) * | 2017-11-16 | 2018-05-29 | 郭永杰 | A kind of Telescopic badminton racket |
| CN109806558A (en) * | 2019-01-31 | 2019-05-28 | 重庆工程职业技术学院 | Racket with miniature Bluetooth audio device |
| CN209316955U (en) * | 2018-07-18 | 2019-08-30 | 邱晓燕 | A kind of Telescopic badminton racket |
-
2019
- 2019-10-21 CN CN201911001201.2A patent/CN110743144A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1199253A1 (en) * | 1982-05-18 | 1985-12-23 | Rodionova Valentina N | Racket for sportive game |
| DE29807132U1 (en) * | 1998-04-20 | 1998-07-02 | Luber Josef | Tennis racket with telescopic handle |
| CN201253453Y (en) * | 2008-08-16 | 2009-06-10 | 陈骐 | Telescopic badminton racket |
| CN207412645U (en) * | 2017-11-16 | 2018-05-29 | 郭永杰 | A kind of Telescopic badminton racket |
| CN209316955U (en) * | 2018-07-18 | 2019-08-30 | 邱晓燕 | A kind of Telescopic badminton racket |
| CN109806558A (en) * | 2019-01-31 | 2019-05-28 | 重庆工程职业技术学院 | Racket with miniature Bluetooth audio device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114719163A (en) * | 2021-04-21 | 2022-07-08 | 苏州方圆保安服务有限公司 | Square-round parking lot safety monitoring device mounting table |
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Application publication date: 20200204 |