A kind of badminton net face frame that wire side can be received around protection
Technical field
The present invention relates to a kind of badminton net face frame, more particularly to a kind of badminton net that can be received to wire side around protection
Face frame.
Background technology
Physical culture is a kind of complicated Social Culture phenomenon, and it gives birth to using body and intellection as basic means according to human body
The rules such as long development, technical ability are formed and function improves, reach promote full development, improve fitness and overall education level,
Build up health a kind of conscious, purposeful, organized with improving the quality of living with raising locomitivity, mode of making the life better
Social activities.With the expansion of international association, the scale and level of sports business development have been to weigh country, a social development
A progressive important symbol, also turn into the important means of diplomacy and cultural exchanges between country.Physical culture can be divided into sport for all, specially
The species such as industry physical culture, school physical education.Including sports culture, physical education, sports, athletic competition, sports equipment, sports group
Knit, the lot of essential factors such as sports science technology.
Shuttlecock receives liking for many people, existing badminton net face frame is all as one kind in sports item
It is fixed and wire side can not be received around causing wire side service life shorter, cause the wave of a large amount of badminton net face frames
Expense is while waste a large amount of level land resources in shuttlecock place.
Therefore need badly and research and develop a kind of badminton net face frame that can be received to wire side around protection and ground space can be saved,
Come overcome in the prior art badminton grid frame be all it is fixed and wire side can not be received around, cause wire side service life compared with
It is short, the waste of a large amount of badminton net face frames is caused while the shortcomings that wasting a large amount of level land resources in shuttlecock place.
The content of the invention
(1)Technical problems to be solved
The present invention in order to overcome in the prior art badminton net face frame be all fixed and wire side can not be received around causing
Wire side service life is shorter, causes the waste of a large amount of badminton net face frames while wasting a large amount of flat of shuttlecock place
The shortcomings that ground resource, wire side can be received around protection the technical problem to be solved in the present invention is to provide one kind and can save ground
The badminton net face frame of space of planes.
(2)Technical scheme
In order to solve the above-mentioned technical problem, the invention provides such a shuttlecock wire side that can be received to wire side around protection
Frame, include installs case, drive mechanism and elevating mechanism, ground is symmetrical to be connected with installs case, and drive is equipped with installs case
Motivation structure, elevating mechanism is connected with drive mechanism.
Preferably, drive mechanism includes the first slide rail, the first sliding block, electric pushrod, elevating lever and lifter plate, installs case
Inside symmetrical to be connected with the first slide rail, slidingtype connects the first sliding block on the first slide rail, on the inside of the first sliding block between
Lifter plate is connected with, lifter plate crown center is respectively connected with elevating lever, and elevating lever is respectively positioned on rear side of installs case, installs case inner bottom part
Centre is mounted on electric pushrod, and the top of electric pushrod is connected with lifter plate bottom centre.
Preferably, elevating mechanism includes guide rod, guide pin bushing, block, first baffle, wire side and center line block, installs case top
Be respectively connected with guide rod, slidingtype is connected with guide pin bushing on guide rod, and guide pin bushing coordinates with guide rod, elevating lever top with guide pin bushing bottom
Connection, elevating lever are respectively positioned on rear side of guide rod, and guide rod top is respectively connected with block, and net is connected between the guide pin bushing inner side of the left and right sides
Face, center line block is connected among wire side bottom.
Preferably, also include the well-illuminated protective cover of fixed block, fixture block, arc, installing plate and illuminating lamp, connect at the top of block
It is connected to fixed block, the first groove is provided with the middle part of the left and right sides of fixed block, be equipped with fixture block in the first groove, fixture block is with the
One groove coordinates, and fixture block outer end is respectively connected with the well-illuminated protective cover of arc, the well-illuminated protective cover tip contact of arc of the left and right sides, Gu
Determine to be respectively connected with installing plate at the top of block, illuminating lamp is respectively connected with the top of installing plate.
Preferably, also include connecting plate and second baffle, connecting plate is respectively connected with the outside of guide pin bushing, connecting plate outside is uniformly
Second baffle is connected with, the second groove is provided with second baffle.
Preferably, also include link, protective frame and hook, protective frame is connected with the right side of the first baffle in left side, protect
Through hole is provided among frame right wall, left side is connected with wire side in protective frame, and wire side passes through through hole.
Preferably, bearing block, bull stick, roller, gear, rack, the second slide rail and connecting rod, protective frame upper and lower two are also included
Bearing block is respectively connected among wall, bull stick is connected with bearing block, bull stick passes through the bearing block of downside, rolling is connected with the middle part of bull stick
Cylinder, wire side is wrapped on roller, and bull stick bottom is connected with gear, and left side installs case antetheca top is connected with the second slide rail, and second
Slidingtype is connected with the second sliding block on slide rail, and rotary type is connected with connecting rod between the second slider bottom left end and lifter plate, and second
Rack is connected with the right side of sliding block, rack is located on front side of gear, wheel and rack engagement.
Operation principle:In use, elevating mechanism is driven to operate by drive mechanism, you can to realize regulation height, reach
Save the purpose of ground space.
Because drive mechanism includes the first slide rail, the first sliding block, electric pushrod, elevating lever and lifter plate, in installs case
Symmetrical to be connected with the first slide rail, slidingtype connects the first sliding block on the first slide rail, and the first sliding block connects between inner side
Lifter plate is connected to, lifter plate crown center is respectively connected with elevating lever, and elevating lever is respectively positioned on rear side of installs case, in installs case inner bottom part
Between be mounted on electric pushrod, the top of electric pushrod is connected with lifter plate bottom centre.Highly reach section when needing to adjust
When saving ground space, by controlling the electric pushrod of the left and right sides to extend, electric pushrod can then drive lifter plate to be slided by first
Block upward sliding, lifter plate can then drive elevating lever to move upwards, when moving up to extreme higher position, close electric pushrod, when
, then can be by controlling the electric pushrod of the left and right sides to shrink when needing the adjustment criteria highly to be played badminton, electric pushrod is then
Lifter plate can be driven then to drive elevating lever to move downward by the first sliding block slide downward, lifter plate, drop to and beat feather
After the calibrated altitude of ball, electric pushrod is closed.
Because elevating mechanism includes guide rod, guide pin bushing, block, first baffle, wire side and center line block, connect at the top of installs case
Guide rod is connected to, slidingtype is connected with guide pin bushing on guide rod, and guide pin bushing coordinates with guide rod, and elevating lever top connects with guide pin bushing bottom
Connect, elevating lever is respectively positioned on rear side of guide rod, and guide rod top is respectively connected with block, and net is connected between the guide pin bushing inner side of the left and right sides
Face, center line block is connected among wire side bottom.Because there is the left and right of center line block, the center line in shuttlecock place can be let drive at, works as liter
When drop bar is upward, elevating lever can then promote guide pin bushing to move upwards, and then drive the overall motion upwards of wire side by first baffle,
The purpose of ground space can be saved by reaching when need not play badminton, when elevating lever is downward, elevating lever can then pull guide pin bushing to
Lower motion, and then drive wire side integrally to move downward by first baffle, the mark of wire side when being played badminton to reach adjustable
Quasi- height is played badminton.
Because also including the well-illuminated protective cover of fixed block, fixture block, arc, installing plate and illuminating lamp, it is all connected with the top of block
There is a fixed block, the first groove is provided with the middle part of the left and right sides of fixed block, be equipped with fixture block in the first groove, fixture block is with first
Groove coordinates, and fixture block outer end is respectively connected with the well-illuminated protective cover of arc, and the well-illuminated protective cover tip contact of arc of the left and right sides is fixed
Installing plate is respectively connected with the top of block, illuminating lamp is respectively connected with the top of installing plate.Because there is illuminating lamp, place can be entered
Row illumination, place when preventing from playing badminton is darker, and spheroid reaches on illuminating lamp during in order to avoid playing badminton, can be by card
Block is snapped onto in the first groove, and to support the well-illuminated protective cover of arc, protective action is played to illuminating lamp, then by by fixture block
Extract, the well-illuminated protective cover of arc can be cleared up out of first groove.
Because also including connecting plate and second baffle, connecting plate is respectively connected with the outside of guide pin bushing, is uniformly connected on the outside of connecting plate
Second baffle is connected to, the second groove is provided with second baffle.The second baffle of setting can tiltedly hang racket brace, be provided with
The second groove, can holding water cup.
Because also including link, protective frame and hook, protective frame is connected with the right side of the first baffle in left side, protective frame is right
Through hole is provided among wall, left side is connected with wire side in protective frame, and wire side passes through through hole.In order to when not playing badminton to net
Face pack up being protected, by the way that hook is removed from link, then wire side packed up be placed in protective frame can, it is necessary to
Play badminton ball when, by the way that wire side is taken out out of protective frame, then hook is hung on link, you can wire side is consolidated
It is fixed.
Because also including bearing block, bull stick, roller, gear, rack, the second slide rail and connecting rod, two walls above and below protective frame
Centre is respectively connected with bearing block, and bull stick is connected with bearing block, and bull stick passes through the bearing block of downside, rolling is connected with the middle part of bull stick
Cylinder, wire side is wrapped on roller, and bull stick bottom is connected with gear, and left side installs case antetheca top is connected with the second slide rail, and second
Slidingtype is connected with the second sliding block on slide rail, and rotary type is connected with connecting rod between the second slider bottom left end and lifter plate, and second
Rack is connected with the right side of sliding block, rack is located on front side of gear, wheel and rack engagement.Net is allowed saving ground space in order to realize
Face can also receive around a wire side is played automatically during rising, and first remove from link hook, then by the rising of lifter plate come
Drivening rod promotes the second sliding block to slide to the right, and the second sliding block can then move right with carry-over bar, and rack can then pass through gear band
Turn bar rotates clockwise, and bull stick can be then completed to the receipts of wire side around by the decline of lifter plate come the company of drive by roller
Bar pulls the second sliding block to slide to the left, and the second sliding block can then move to the left with carry-over bar, and rack can then pass through gear band turn bar
Rotate counterclockwise, bull stick then can release wire side by roller, at this moment hang over hook on link, complete to carry out to releasing wire side
Stretching is fixed, and so, user can be played badminton in the wire side of calibrated altitude.
(3)Beneficial effect
Drive mechanism and elevating mechanism of the invention by setting, to realize regulation height, reach the purpose for saving ground space,
Because there is illuminating lamp, place can be illuminated, place when preventing from playing badminton is darker, in order to avoid beating plumage
Spheroid reaches on illuminating lamp during ball top, and there is provided the well-illuminated protective cover of arc, and protective action, the second gear of setting are played to illuminating lamp
Plate can tiltedly hang racket brace, the second groove being provided with, can holding water cup, in order to when not playing badminton to wire side
Pack up being protected, by the way that hook is removed from link, then wire side packed up to be placed in protective frame can be, it is necessary to beat
During badminton ball, by the way that wire side is taken out out of protective frame, then hook is hung on link, you can wire side is fixed,
It can also automatically receive during saving ground space and rising by wire side around wire side is played to realize, will link up with first from link
Remove, then wire side is received around or released by the rise and fall of lifter plate.
Brief description of the drawings
Fig. 1 is the first main structure diagram of the present invention.
Fig. 2 is the main structure diagram of drive mechanism of the present invention.
Fig. 3 is the main structure diagram of elevating mechanism of the present invention.
Fig. 4 is second of main structure diagram of the present invention.
Fig. 5 is the third main structure diagram of the present invention.
Fig. 6 is the 4th kind of main structure diagram of the present invention.
Fig. 7 is the 5th kind of main structure diagram of the present invention.
Mark in accompanying drawing for:1- installs cases, 2- drive mechanisms, the slide rails of 201- first, the sliding blocks of 202- first, 203- are electronic
Push rod, 204- elevating levers, 205- lifter plates, 3- elevating mechanisms, 301- guide rods, 302- guide pin bushings, 303- blocks, 304- first gear
Plate, 305- wire sides, 306- center line blocks, 4- fixed blocks, the grooves of 5- first, 6- fixture blocks, the well-illuminated protective cover of 7- arcs, 8- installing plates,
9- illuminating lamps, 10- connecting plates, 11- second baffles, the grooves of 12- second, 13- links, 14- protective frames, 15- through holes, 16- hooks,
17- bearing blocks, 18- bull sticks, 19- rollers, 20- gears, 21- racks, the slide rails of 22- second, 23- connecting rods, the sliding blocks of 24- second.
Embodiment
The present invention is further illustrated with reference to the accompanying drawings and examples.
Embodiment 1
A kind of badminton net face frame that can be received to wire side around protection, as shown in figs. 1-7, includes installs case 1, drive mechanism
2 and elevating mechanism 3, ground is symmetrical to be connected with installs case 1, and drive mechanism 2 is equipped with installs case 1, is connected in drive mechanism 2
It is connected to elevating mechanism 3.
Embodiment 2
A kind of badminton net face frame that can be received to wire side around protection, as shown in figs. 1-7, includes installs case 1, drive mechanism
2 and elevating mechanism 3, ground is symmetrical to be connected with installs case 1, and drive mechanism 2 is equipped with installs case 1, is connected in drive mechanism 2
It is connected to elevating mechanism 3.
Drive mechanism 2 includes the first slide rail 201, the first sliding block 202, electric pushrod 203, elevating lever 204 and lifter plate
205, symmetrical in installs case 1 to be connected with the first slide rail 201, slidingtype connects the first sliding block on the first slide rail 201
202, the first sliding block 202 is respectively connected with lifter plate 205 between inner side, and the crown center of lifter plate 205 is respectively connected with elevating lever 204,
Elevating lever 204 is respectively positioned on the rear side of installs case 1, and electric pushrod 203 is mounted among the inner bottom part of installs case 1, electric pushrod 203
Top is connected with the bottom centre of lifter plate 205.
Embodiment 3
A kind of badminton net face frame that can be received to wire side around protection, as shown in figs. 1-7, includes installs case 1, drive mechanism
2 and elevating mechanism 3, ground is symmetrical to be connected with installs case 1, and drive mechanism 2 is equipped with installs case 1, is connected in drive mechanism 2
It is connected to elevating mechanism 3.
Drive mechanism 2 includes the first slide rail 201, the first sliding block 202, electric pushrod 203, elevating lever 204 and lifter plate
205, symmetrical in installs case 1 to be connected with the first slide rail 201, slidingtype connects the first sliding block on the first slide rail 201
202, the first sliding block 202 is respectively connected with lifter plate 205 between inner side, and the crown center of lifter plate 205 is respectively connected with elevating lever 204,
Elevating lever 204 is respectively positioned on the rear side of installs case 1, and electric pushrod 203 is mounted among the inner bottom part of installs case 1, electric pushrod 203
Top is connected with the bottom centre of lifter plate 205.
Elevating mechanism 3 includes guide rod 301, guide pin bushing 302, block 303, first baffle 304, wire side 305 and center line block
306, the top of installs case 1 is respectively connected with guide rod 301, and slidingtype is connected with guide pin bushing 302 on guide rod 301, and guide pin bushing 302 is and guide rod
301 coordinate, and the top of elevating lever 204 is connected with the bottom of guide pin bushing 302, and elevating lever 204 is respectively positioned on the rear side of guide rod 301, and guide rod 301 pushes up
End is respectively connected with block 303, and wire side 305 is connected between the inner side of guide pin bushing 302 of the left and right sides, is connected among the bottom of wire side 305
There is center line block 306.
Embodiment 4
A kind of badminton net face frame that can be received to wire side around protection, as shown in figs. 1-7, includes installs case 1, drive mechanism
2 and elevating mechanism 3, ground is symmetrical to be connected with installs case 1, and drive mechanism 2 is equipped with installs case 1, is connected in drive mechanism 2
It is connected to elevating mechanism 3.
Drive mechanism 2 includes the first slide rail 201, the first sliding block 202, electric pushrod 203, elevating lever 204 and lifter plate
205, symmetrical in installs case 1 to be connected with the first slide rail 201, slidingtype connects the first sliding block on the first slide rail 201
202, the first sliding block 202 is respectively connected with lifter plate 205 between inner side, and the crown center of lifter plate 205 is respectively connected with elevating lever 204,
Elevating lever 204 is respectively positioned on the rear side of installs case 1, and electric pushrod 203 is mounted among the inner bottom part of installs case 1, electric pushrod 203
Top is connected with the bottom centre of lifter plate 205.
Elevating mechanism 3 includes guide rod 301, guide pin bushing 302, block 303, first baffle 304, wire side 305 and center line block
306, the top of installs case 1 is respectively connected with guide rod 301, and slidingtype is connected with guide pin bushing 302 on guide rod 301, and guide pin bushing 302 is and guide rod
301 coordinate, and the top of elevating lever 204 is connected with the bottom of guide pin bushing 302, and elevating lever 204 is respectively positioned on the rear side of guide rod 301, and guide rod 301 pushes up
End is respectively connected with block 303, and wire side 305 is connected between the inner side of guide pin bushing 302 of the left and right sides, is connected among the bottom of wire side 305
There is center line block 306.
Also include the well-illuminated protective cover 7 of fixed block 4, fixture block 6, arc, installing plate 8 and illuminating lamp 9, the top of block 303 is
Fixed block 4 is connected with, the first groove 5 is provided with the middle part of the left and right sides of fixed block 4, fixture block 6 is equipped with the first groove 5, is blocked
Block 6 coordinates with the first groove 5, and the outer end of fixture block 6 is respectively connected with the well-illuminated protective cover 7 of arc, the well-illuminated protection of arc of the left and right sides
7 tip contacts are covered, the top of fixed block 4 is respectively connected with installing plate 8, and the top of installing plate 8 is respectively connected with illuminating lamp 9.
Also include connecting plate 10 and second baffle 11, the outside of guide pin bushing 302 is respectively connected with connecting plate 10, the outside of connecting plate 10
Second baffle 11 uniformly is connected with, the second groove 12 is provided with second baffle 11.
Also including link 13, protective frame 14 and hook 16, the right side of first baffle 304 in left side is connected with protective frame 14,
Through hole 15 is provided among the right wall of protective frame 14, left side is connected with wire side 305 in protective frame 14, and wire side 305 passes through through hole 15.
Also include bearing block 17, bull stick 18, roller 19, gear 20, rack 21, the second slide rail 22 and connecting rod 23, protect
Frame is respectively connected with bearing block 17 among two walls about 14, bull stick 18 is connected with bearing block 17, and bull stick 18 passes through the bearing of downside
Seat 17, the middle part of bull stick 18 are connected with roller 19, and wire side 305 is wrapped on roller 19, and the bottom of bull stick 18 is connected with gear 20, left side
The antetheca top of installs case 1 is connected with the second slide rail 22, and slidingtype is connected with the second sliding block 24, the second sliding block 24 on the second slide rail 22
Rotary type is connected with connecting rod 23 between bottom left end and lifter plate 205, and the right side of the second sliding block 24 is connected with rack 21, rack 21
In the front side of gear 20, gear 20 engages with rack 21.
Operation principle:In use, elevating mechanism 3 is driven to operate by drive mechanism 2, you can to realize regulation height, reach
To the purpose for saving ground space.
Because drive mechanism 2 includes the first slide rail 201, the first sliding block 202, electric pushrod 203, elevating lever 204 and risen
Plate 205 drops, it is symmetrical in installs case 1 to be connected with the first slide rail 201, on the first slide rail 201 slidingtype connection first slide
Block 202, the first sliding block 202 are respectively connected with lifter plate 205 between inner side, and the crown center of lifter plate 205 is respectively connected with elevating lever
204, elevating lever 204 is respectively positioned on the rear side of installs case 1, and electric pushrod 203, electric pushrod are mounted among the inner bottom part of installs case 1
203 top is connected with the bottom centre of lifter plate 205.When needing regulation height to reach saving ground space, pass through control
The electric pushrod 203 of the left and right sides extends, and electric pushrod 203 can then drive lifter plate 205 to be slid up by the first sliding block 202
Dynamic, lifter plate 205 then can drive elevating lever 204 to move upwards, when moving up to extreme higher position, close electric pushrod 203, when
, then can be by controlling the electric pushrod 203 of the left and right sides shrink when needing the adjustment criteria highly to be played badminton, electric pushrod
203 can drive lifter plate 205 then elevating lever 204 can be driven to transport downwards by the slide downward of the first sliding block 202, lifter plate 205
It is dynamic, drop to after the calibrated altitude played badminton, close electric pushrod 203.
Because elevating mechanism 3 includes guide rod 301, guide pin bushing 302, block 303, first baffle 304, wire side 305 and center line
Block 306, the top of installs case 1 are respectively connected with guide rod 301, and slidingtype is connected with guide pin bushing 302 on guide rod 301, and guide pin bushing 302 is with leading
Bar 301 coordinates, and the top of elevating lever 204 is connected with the bottom of guide pin bushing 302, and elevating lever 204 is respectively positioned on the rear side of guide rod 301, guide rod 301
Top is respectively connected with block 303, is connected with wire side 305 between the inner side of guide pin bushing 302 of the left and right sides, wire side 305 connects among bottom
It is connected to center line block 306.Because there is the left and right of center line block 306, the center line in shuttlecock place can be let drive at, when elevating lever 204 is upward
When, elevating lever 204 then can promote guide pin bushing 302 to move upwards, and then drive wire side 305 overall upwards by first baffle 304
Motion, reaches the purpose that ground space can be saved when need not play badminton, when elevating lever 204 is downward, elevating lever 204 then can
Pull guide pin bushing 302 to move downward, and then drive wire side 305 is overall to move downward by first baffle 304, it is adjustable to reach
The calibrated altitude of wire side 305 is played badminton when playing badminton.
Because also include the well-illuminated protective cover 7 of fixed block 4, fixture block 6, arc, installing plate 8 and illuminating lamp 9, block 303 to push up
Portion is respectively connected with fixed block 4, is provided with the first groove 5 in the middle part of the left and right sides of fixed block 4, fixture block is equipped with the first groove 5
6, fixture block 6 coordinates with the first groove 5, and the outer end of fixture block 6 is respectively connected with the well-illuminated protective cover 7 of arc, and the arc of the left and right sides is well-illuminated
The tip contact of protective cover 7, the top of fixed block 4 are respectively connected with installing plate 8, and the top of installing plate 8 is respectively connected with illuminating lamp 9.Because
There is illuminating lamp 9, place can be illuminated, place when preventing from playing badminton is darker, in order to avoid beating feather
Spheroid reaches on illuminating lamp 9 during ball, can snap onto fixture block 6 in first groove 5, to support the well-illuminated protective cover 7 of arc, control
Bright lamp 9 plays protective action, then by the way that fixture block 6 is extracted out of first groove 5, the well-illuminated protective cover of arc 7 can be carried out clearly
Reason.
Because also including connecting plate 10 and second baffle 11, the outside of guide pin bushing 302 is respectively connected with connecting plate 10, connecting plate 10
Outside is uniformly connected with second baffle 11, and the second groove 12 is provided with second baffle 11.The second baffle 11 of setting can be by plumage
Ball top is clapped brace and tiltedly hung, and the second groove 12 being provided with can holding water cup.
Because also including link 13, protective frame 14 and hook 16, the right side of first baffle 304 in left side is connected with protective frame
14, through hole 15 is provided among the right wall of protective frame 14, left side is connected with wire side 305 in protective frame 14, and wire side 305 passes through through hole 15.
In order to pack up protecting to wire side 305 when not playing badminton, by the way that hook 16 is removed from link 13, then
Wire side 305 is packed up be placed in protective frame 14 can, it is necessary to play badminton ball when, by by wire side 305 out of protective frame 14
Take out, then hang over hook 16 on link 13, you can wire side 305 is fixed.
Because also including bearing block 17, bull stick 18, roller 19, gear 20, rack 21, the second slide rail 22 and connecting rod 23,
Protective frame is respectively connected with bearing block 17 among two walls about 14, bull stick 18 is connected with bearing block 17, and bull stick 18 passes through downside
Bearing block 17, the middle part of bull stick 18 are connected with roller 19, and wire side 305 is wrapped on roller 19, and the bottom of bull stick 18 is connected with gear 20,
The antetheca top of left side installs case 1 is connected with the second slide rail 22, and slidingtype is connected with the second sliding block 24 on the second slide rail 22, and second slides
Rotary type is connected with connecting rod 23 between the bottom left end of block 24 and lifter plate 205, and the right side of the second sliding block 24 is connected with rack 21, rack
21 engage positioned at the front side of gear 20, gear 20 with rack 21.In order to realize the process risen in saving ground space by wire side 305
In can also receive automatically around a wire side 305 is played, hook 16 is removed from link 13 first, then by the rising of lifter plate 205 come band
Dynamic connecting rod 23 promotes the second sliding block 24 to slide to the right, and the second sliding block 24 can then move right with carry-over bar 21, and rack 21 can then lead to
Crossing gear 20 drives bull stick 18 to rotate clockwise, and bull stick 18 can be then completed to the receipts of wire side 305 around passing through liter by roller 19
The decline of drop plate 205 carrys out drivening rod 23 and pulls the second sliding block 24 to slide to the left, and the second sliding block 24 then can be with carry-over bar 21 to the left
Motion, rack 21 then can drive bull stick 18 to rotate counterclockwise by gear 20, and bull stick 18 then can release wire side by roller 19
305, at this moment hook 16 is hung on link 13, completes to carry out stretching fixation to releasing wire side 305, so, user can mark
The wire side 305 of quasi- height is played badminton.
Embodiment described above only expresses the preferred embodiment of the present invention, and its description is more specific and detailed, but simultaneously
Therefore the limitation to the scope of the claims of the present invention can not be interpreted as.It should be pointed out that for one of ordinary skill in the art
For, without departing from the inventive concept of the premise, some deformations can also be made, improves and substitutes, these belong to this hair
Bright protection domain.Therefore, the protection domain of patent of the present invention should be determined by the appended claims.