CN112933565A - Portable multipurpose ball net rack and use method - Google Patents
Portable multipurpose ball net rack and use method Download PDFInfo
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- CN112933565A CN112933565A CN202110144924.9A CN202110144924A CN112933565A CN 112933565 A CN112933565 A CN 112933565A CN 202110144924 A CN202110144924 A CN 202110144924A CN 112933565 A CN112933565 A CN 112933565A
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- ball
- net
- storage cavity
- worm
- mounting groove
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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
- A63B61/00—Tennis nets or accessories for tennis or like games, e.g. volley-ball
- A63B61/02—Posts; Revolvably-mounted posts ; Straining or adjusting devices on the posts, e.g. coin- or time operated
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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
- A63B61/00—Tennis nets or accessories for tennis or like games, e.g. volley-ball
- A63B61/04—Straining or adjusting devices for nets, e.g. centre strainers, single-double adjusters, net height meters
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- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Physical Education & Sports Medicine (AREA)
- Supports Or Holders For Household Use (AREA)
Abstract
The invention relates to a portable multipurpose ball net rack and a using method thereof, the portable multipurpose ball net rack comprises a left support and a right support which are oppositely arranged, a winding roller is movably arranged on the left support up and down, a ball net is wound on the winding roller, a connecting plate is movably arranged on the right support up and down, a connecting mechanism is arranged between the free end of the ball net and the connecting plate, a threaded pipe is connected with one side wall of a containing groove in a vertical sliding manner, the threaded pipe is coaxially and rotatably arranged at the upper end of the winding roller, and the threaded pipe is in threaded connection with a screw rod; the invention adjusts the length of the net by adjusting the distance between the left bracket and the right bracket, drives the wind-up roll to move up and down by rotating the screw rod, and drives the connecting plate to move up and down by rotating the screw rod so as to adjust the height of the net to match different ball games.
Description
Technical Field
The invention relates to the technical field of sports equipment, in particular to a portable multipurpose ball net rack and a using method thereof.
Background
Small balls in the shapes of volleyballs, badminton, tennis and the like are deeply loved by people all over the world, but cannot be widely popularized due to the limitation of fields and equipment. In many ball games, a net rack needs to be arranged at the center of the court as the boundary of the game, but in different ball games, because the court, the equipment and the ball types are different, the height and the width of the net are greatly different, the net racks in the court can not be mutually used, and the use limitation is large; moreover, the common net rack is directly fixed on the ground or the net is fixed by a heavier base, so that the net rack is inconvenient to move. Therefore, the prior ball net rack has the problems of large use limitation and inconvenient carrying.
Disclosure of Invention
The invention aims to solve the technical problem of providing a portable multipurpose ball net rack and a using method thereof, which have small use limitation and are convenient to carry so as to solve the problems in the prior art.
In order to solve the technical problems, the technical scheme of the invention is as follows: a portable multipurpose net rack comprises a left support and a right support which are oppositely arranged, wherein a winding roller is movably mounted on the left support up and down, a net is wound on the winding roller, a connecting plate is movably mounted on the right support up and down, and a connecting mechanism is arranged between the free end of the net and the connecting plate; a holding tank is arranged on the right side of the left support, a vertically extending threaded pipe is arranged in the holding tank, the threaded pipe is connected with one side wall of the holding tank in a vertical sliding mode, the threaded pipe is coaxially and rotatably mounted at the upper end of the winding roller, a vertically extending lead screw is further arranged in the holding tank, the upper end of the lead screw is rotatably mounted on the top wall of the holding tank through a polished rod, and the threaded pipe is in threaded connection with the lead screw; be equipped with the slip chamber of vertical extension in the wind-up roll, rotate on the diapire of holding tank install with the vertical axis of the coaxial setting of lead screw, the upper end of vertical axis extends to slip intracavity and fixed mounting have with slip chamber assorted sliding block.
As a further improvement, the lower end of the screw rod extends into the sliding cavity, and the lower end of the screw rod is rotatably installed on the sliding block through a polished rod.
As a further improvement, a first worm wheel is coaxially and fixedly mounted on a polished rod at the upper end of the screw rod, a first worm meshed with the first worm wheel is arranged in the accommodating tank, one end of the first worm is rotatably mounted on the side wall of the accommodating tank through an optical axis, and the optical axis at one end of the first worm extends to the outer side of the left bracket and is fixedly provided with a first crank; coaxial fixed mounting has the second worm wheel on the vertical axis, be equipped with in the holding tank with the second worm wheel engaged with second worm, the one end of second worm is passed through the optical axis and is rotated and install on the lateral wall of holding tank, the optical axis of second worm one end extends to the outside and the fixed mounting of left socle have the second crank.
As a further improvement, a sliding block is fixedly mounted on one side of the threaded pipe, a sliding groove matched with the sliding block is formed in the side wall of the accommodating groove, and the sliding groove extends vertically.
As a further improvement, a vertically extending slideway is arranged on the left side of the right bracket, and the connecting plate is slidably mounted in the slideway; a vertically extending lead screw is arranged in the slide way, the end part of the lead screw is rotatably arranged on the side wall of the slide way through a polished rod, and the connecting plate is in threaded connection with the lead screw; coaxial fixed mounting has the third worm wheel on the polished rod of lead screw one end, be equipped with in the slide with the third worm wheel engaged with third worm, the one end of third worm is passed through the optical axis and is rotated and install on the lateral wall of slide, the optical axis of third worm one end extends to the outside and the fixed mounting of right branch frame have the third crank.
As a preferable technical scheme, the connecting mechanism comprises a plurality of hooks fixedly installed on the left side of the connecting plate, the hooks are evenly arranged at intervals up and down, and the free ends of the nets are fixedly connected with hanging rings in one-to-one correspondence with the hooks.
As a further improvement, a ball storage cavity for storing tennis balls is arranged in the right support, the ball storage cavity is in a vertically extending cylindrical shape, only one tennis ball passes through the ball storage cavity from top to bottom, a ball inlet is formed in one side of the upper end of the ball storage cavity, and a ball outlet communicated with the bottom of the ball storage cavity is formed in one side of the right support; a first mounting groove extending transversely is formed in the side wall of the ball storage cavity, a first clamping block is movably mounted in the first mounting groove, and a first spring used for enabling one end of the first clamping block to extend into the ball storage cavity is connected between the first clamping block and the side wall of the first mounting groove; a second mounting groove extending transversely is formed in the side wall of the ball storage cavity, the second mounting groove is located above the first mounting groove, a second clamping block is movably mounted in the second mounting groove, the vertical distance between the second clamping block and the first clamping block is equal to the diameter of a tennis ball, and a first tension spring used for enabling the second clamping block to be retracted into the second mounting groove is connected between the second clamping block and the side wall of the second mounting groove; and a linkage mechanism for driving the first clamping block to retract into the first mounting groove and driving one end of the second clamping block to extend into the ball storage cavity is arranged in the right support.
According to a preferable technical scheme, the linkage mechanism comprises a vertically extending movable cavity located in the right support, the first mounting groove and the second mounting groove are communicated with the movable cavity, a push rod located above the second mounting groove is slidably mounted in the movable cavity, a second tension spring is connected between the push rod and the top wall of the movable cavity, a shifting handle is fixedly mounted on one side of the push rod, a long-strip-shaped hole is formed in the position, corresponding to the shifting handle, of the right support, and the shifting handle penetrates out of the long-strip-shaped hole to the outer side of the right support and can move along the long-strip-shaped hole; a first through groove extending vertically is formed in the first clamping block, and a first wedge-shaped block located below the push rod is fixedly installed on one side, away from the ball storage cavity, of the first through groove; a second through groove extending vertically is formed in the second clamping block, and a second wedge-shaped block located below the push rod is fixedly installed on one side, close to the ball storage cavity, of the second through groove; the first wedge-shaped block and the second wedge-shaped block are gradually thickened from top to bottom.
As a further improvement, a cover plate used for sealing the ball inlet is arranged in the ball storage cavity, the upper end of the cover plate is hinged to the side wall of the ball storage cavity, and a second spring is connected between the inner side of the cover plate and the side wall of the ball storage cavity.
A method for using a portable multipurpose ball net rack, comprising the following steps:
s1, adjusting the distance between the left support and the right support according to the type of the ball game;
s2, releasing the net through the wind-up roll and connecting the free end of the net on the right bracket;
s3, rolling the net through the wind-up roll, and tightly supporting the net between the left support and the right support;
s4, adjusting the height of the net according to the type of ball game.
Due to the adoption of the technical scheme, the portable multipurpose tennis net rack comprises a left support and a right support which are oppositely arranged, wherein a winding roller is movably arranged on the left support up and down, a tennis net is wound on the winding roller, a connecting plate is movably arranged on the right support up and down, a connecting mechanism is arranged between the free end of the tennis net and the connecting plate, a threaded pipe is connected with one side wall of the accommodating groove in a vertical sliding mode, the threaded pipe is coaxially and rotatably arranged at the upper end of the winding roller, and the threaded pipe is in threaded connection with the screw rod; the ball net height adjusting device has the advantages that the length of a ball net is adjusted by adjusting the distance between the left support and the right support, the winding roller is driven to move up and down by rotating the lead screw, and the connecting plate is driven to move up and down by rotating the lead screw so as to adjust the height of the ball net to match different ball games, so that the ball net height adjusting device is complete in function and convenient to adjust; after the ball net is used, the hanging rings on the ball net are taken down from the hooks on the connecting plate, so that the ball net is separated from the right support, and then the ball net is collected through the winding roller, so that the left support and the right support can be conveniently carried and transported; the tennis ball storage cavity can store a plurality of tennis balls, the push rod is driven to move downwards by stirring the poking handle, the push rod drives the second clamping block to extend into the tennis ball storage cavity and drives the first clamping block to be retracted into the first mounting groove, and therefore the bottom tennis ball is discharged from the tennis outlet.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is a schematic sectional view A-A of FIG. 1;
FIG. 3 is a schematic view of a tennis ball in accordance with an embodiment of the present invention as it exits the ball outlet;
FIG. 4 is a schematic structural diagram of a first fixture block according to an embodiment of the present invention;
FIG. 5 is a schematic structural diagram of a second fixture block according to an embodiment of the present invention;
fig. 6 is a flow chart of a method of using a ball grid mount in accordance with an embodiment of the present invention.
In the figure: 1-left support; 2-right support; 3, a wind-up roll; 4-net; 5-connecting plates; 6-accommodating the tank; 7-a threaded pipe; 8-a screw rod; 9-a sliding cavity; 10-vertical axis; 11-a slider; 12-a first worm gear; 13-a first worm; 14-a first crank; 15-a second worm gear; 16-a second worm; 17-a second crank; 18-a slide block; 19-a chute; 20-a slide way; 21-a lead screw; 22-a third worm gear; 23-tennis; 24-a third worm; 25-a third crank; 26-hanging hooks; 27-hanging ring; 28-ball storage cavity; 29-ball inlet; 30-a ball outlet; 31-a first mounting groove; 32-a first fixture block; 33-a first spring; 34-a second mounting groove; 35-a second fixture block; 36-a first tension spring; 37-a movable cavity; 38-a push rod; 39-second tension spring; 40-a shifting handle; 41-elongated holes; 42-a first through slot; 43-a first wedge; 44-a second through slot; 45-a second wedge; 46-a cover plate; 47-second spring.
Detailed Description
As shown in fig. 1 to 6, a portable multipurpose ball net rack comprises a left support 1 and a right support 2 which are oppositely arranged, wherein a winding roller 3 is movably mounted on the left support 1 up and down, a ball net 4 is wound on the winding roller 3, a connecting plate 5 is movably mounted on the right support 2 up and down, and a connecting mechanism is arranged between the free end of the ball net 4 and the connecting plate 5; the right side of the left support 1 is provided with a holding tank 6, a vertically extending threaded pipe 7 is arranged in the holding tank 6, the threaded pipe 7 is connected with one side wall of the holding tank 6 in a vertical sliding mode, the threaded pipe 7 is coaxially and rotatably mounted at the upper end of the winding roller 3, a vertically extending lead screw 8 is further arranged in the holding tank 6, the upper end of the lead screw 8 is rotatably mounted on the top wall of the holding tank 6 through a polished rod, and the threaded pipe 7 is in threaded connection with the lead screw 8; be equipped with the slip chamber 9 of vertical extension in the wind-up roll 3, rotate on the diapire of holding tank 6 install with the vertical axis 10 of the coaxial setting of lead screw 8, the upper end of vertical axis 10 extends to in the slip chamber 9 and fixed mounting have with slip chamber 9 assorted sliding block 11.
A first worm wheel 12 is coaxially and fixedly mounted on a polished rod at the upper end of the screw 8, a first worm 13 meshed with the first worm wheel 12 is arranged in the accommodating groove 6, one end of the first worm 13 is rotatably mounted on the side wall of the accommodating groove 6 through an optical axis, the optical axis at one end of the first worm 13 extends to the outer side of the left bracket 1 and is fixedly provided with a first crank 14, the first worm 13 is driven to rotate by rotating the first crank 14, and the first worm wheel 12 and the screw 8 are driven to rotate through the first worm 13; coaxial fixed mounting has second worm wheel 15 on the vertical axis 10, be equipped with in the holding tank 6 with second worm wheel 15 engaged with second worm 16, the one end of second worm 16 is passed through the optical axis and is rotated and install on the lateral wall of holding tank 6, the optical axis of second worm 16 one end extends to the outside and the fixed mounting of left socle 1 have second crank 17, drive second worm 16 through rotating second crank 17 and rotate, drive second worm 15 and vertical axis 10 through second worm 16 and rotate.
One side fixed mounting of screwed pipe 7 has slider 18, be equipped with on the lateral wall of holding tank 6 with slider 18 assorted spout 19, spout 19 vertical extension.
A vertically extending slideway 20 is arranged at the left side of the right bracket 2, and the connecting plate 5 is slidably mounted in the slideway 20; a vertically extending lead screw 21 is arranged in the slideway 20, the end part of the lead screw 21 is rotatably installed on the side wall of the slideway 20 through a polish rod, and the connecting plate 5 is in threaded connection with the lead screw 21; coaxial fixed mounting has third worm wheel 22 on the polished rod of lead screw 21 one end, be equipped with in the slide 20 with third worm wheel 22 engaged with third worm 24, the one end of third worm 24 is passed through the optical axis and is rotated and install on the lateral wall of slide 20, the optical axis of third worm 24 one end extends to the outside and the fixed mounting of right branch frame 2 have third crank 25, drive third worm 24 through rotating third crank 25 and rotate, drive third worm wheel 22 and lead screw 21 through third worm 24 and rotate.
The connecting mechanism comprises a plurality of hooks 26 fixedly installed on the left side of the connecting plate 5, the plurality of hooks 26 are arranged at intervals up and down, and hanging rings 27 corresponding to the hooks 26 one by one are fixedly connected to the free end of the net 4.
In use, the distance between the left support 1 and the right support 2, i.e. the length of the net 4, is first adjusted according to the type of ball game.
Then, the vertical shaft 10 is rotated in the positive direction, the vertical shaft 10 drives the winding roller 3 to rotate in the positive direction through the sliding block 11 to release the ball net 4, and the sliding block 18 is matched with the sliding groove 19 so as to prevent the threaded pipe 7 from rotating along with the winding roller 3; when the net 4 is released for a sufficient length, the hanging rings 27 of the free end of the net 4 are respectively connected to the hanging hooks 26 of the connecting plate 5, thereby realizing the connection of the net 4 and the right bracket 2, as shown in fig. 1.
Then, by rotating the vertical shaft 10 in the reverse direction, the vertical shaft 10 drives the wind-up roller 3 to rotate the wind-up net 4 in the reverse direction via the sliding block 11, thereby tightening the net 4 between the left bracket 1 and the right bracket 2.
Finally, the height of the net 4 is adjusted according to the type of ball game. Specifically, the screw rod 8 is rotated in the forward direction to drive the threaded pipe 7 and the sliding block 18 to move upwards along the sliding groove 19, the threaded pipe 7 drives the wind-up roll 3 to move upwards, the sliding block 11 moves downwards relative to the sliding cavity 9 when the wind-up roll 3 moves upwards, and meanwhile the wind-up roll 3 drives the left end of the ball net 4 to rise; meanwhile, the screw rod 21 is rotated in the positive direction to drive the connecting plate 5 to move upwards along the slide way 20, so that the right end of the net 4 is driven to rise, and the height of the left end and the height of the right end of the net 4 are adjusted to be consistent.
Conversely, the screw rod 8 is rotated reversely to drive the threaded pipe 7 and the sliding block 18 to move downwards along the sliding groove 19, the threaded pipe 7 drives the wind-up roll 3 to move downwards, when the wind-up roll 3 moves downwards, the sliding block 11 moves upwards relative to the sliding cavity 9, and meanwhile, the wind-up roll 3 drives the left end of the net 4 to lower; meanwhile, the screw 21 is rotated reversely to drive the connecting plate 5 to move downwards along the slideway 20, thereby driving the right end of the net 4 to lower.
After the use, the hanging ring 27 on the net 4 is taken down from the hook 26 on the connecting plate 5, so that the net 4 is separated from the right bracket 2, then the vertical shaft 10 is rotated reversely, the vertical shaft 10 drives the winding roller 3 to rotate reversely to wind the net 4 through the sliding block 11, so that the net 4 is packed up, and the carrying and the transportation of the left bracket 1 and the right bracket are convenient.
The lower extreme of lead screw 8 extends to in the sliding chamber 9, the lower extreme of lead screw 8 passes through the polished rod and rotates to be installed on the sliding block 11 for increase the stability between lead screw 8 and the vertical axis 10, thereby improve the supporting role of lead screw 8 and vertical axis 10 to wind-up roll 3.
A tennis ball storage cavity 28 for storing tennis balls 23 is formed in the right support 2, the tennis ball storage cavity 28 is in a vertically extending cylindrical shape, only one tennis ball 23 passes through the tennis ball storage cavity 28 from top to bottom, a tennis ball inlet 29 is formed in one side of the upper end of the tennis ball storage cavity 28, and a tennis ball outlet 30 communicated with the bottom of the tennis ball storage cavity 28 is formed in one side of the right support 2; a first mounting groove 31 extending transversely is formed in the side wall of the ball storage cavity 28, a first clamping block 32 is movably mounted in the first mounting groove 31, and a first spring 33 for enabling one end of the first clamping block 32 to extend into the ball storage cavity 28 is connected between the first clamping block 32 and the side wall of the first mounting groove 31; a second mounting groove 34 extending transversely is formed in the side wall of the ball storage cavity 28, the second mounting groove 34 is located above the first mounting groove 31, a second fixture block 35 is movably mounted in the second mounting groove 34, the vertical distance between the second fixture block 35 and the first fixture block 32 is equal to the diameter of one tennis ball 23, and a first tension spring 36 for enabling the second fixture block 35 to be retracted into the second mounting groove 34 is connected between the second fixture block 35 and the side wall of the second mounting groove 34; and a linkage mechanism for driving the first clamping block 32 to retract into the first mounting groove 31 and driving one end of the second clamping block 35 to extend into the ball storage cavity 28 is arranged in the right bracket 2.
The linkage mechanism comprises a vertically extending movable cavity 37 positioned in the right support 2, the first mounting groove 31 and the second mounting groove 34 are both communicated with the movable cavity 37, a push rod 38 positioned above the second mounting groove 34 is slidably mounted in the movable cavity 37, a second tension spring 39 is connected between the push rod 38 and the top wall of the movable cavity 37, a shifting handle 40 is fixedly mounted on one side of the push rod 38, a long-strip-shaped hole 41 is formed in the position corresponding to the position of the right support 2 and the shifting handle 40, and the shifting handle 40 penetrates out of the long-strip-shaped hole 41 to the outer side of the right support 2 and can move along the long-strip-shaped hole 41; a first through groove 42 extending vertically is formed in the first clamping block 32, and a first wedge-shaped block 43 located below the push rod 38 is fixedly installed on one side, away from the ball storage cavity 28, of the first through groove 42; a second through groove 44 extending vertically is formed in the second fixture block 35, and a second wedge-shaped block 45 located below the push rod 38 is fixedly installed on one side, close to the ball storage cavity 28, of the second through groove 44; the first wedge-shaped block 43 and the second wedge-shaped block 45 are gradually thicker from top to bottom.
A cover plate 46 used for sealing the ball inlet 29 is arranged in the ball storage cavity 28, the upper end of the cover plate 46 is hinged to the side wall of the ball storage cavity 28, and a second spring 47 is connected between the inner side of the cover plate 46 and the side wall of the ball storage cavity 28.
The net rack of the present invention has not only the function of supporting the net 4 but also the function of storing tennis balls 23. In an initial state, as shown in fig. 2, one end of the first latch 32 extends into the ball storage cavity 28 due to the elastic force of the first spring 33, and the second latch 35 is retracted into the second mounting groove 34 due to the tensile force of the first tension spring 36; when the tennis ball storage box is used, firstly, the cover plate 46 is pushed to rotate towards the inner side of the ball inlet 29, the second spring 47 is compressed, the ball inlet 29 is opened, then, a tennis ball 23 can be placed into the ball storage cavity 28 through the ball inlet 29 for storage, so that the tennis ball is convenient to carry, the cover plate 46 is loosened after the tennis ball 23 is placed, the second spring 47 in the compressed state extends and drives the cover plate 46 to close the ball inlet 29 again, and therefore the tennis ball 23 is prevented from rolling out of the ball inlet 29 during transportation of the right support 2; when the tennis ball 23 enters the ball storage cavity 28, the first block 32 limits the tennis ball 23 from passing downwards, so that the tennis ball 23 is prevented from being discharged from the ball outlet 30.
When the tennis balls 23 need to be taken out, the poking handle 40 is poked to drive the push rod 38 to move downwards along the movable cavity 37 and stretch the second tension spring 39, when the push rod 38 moves downwards, the push rod 38 is firstly contacted with the second wedge-shaped block 45, when the push rod 38 passes through the second through groove 44, the second wedge-shaped block 45 drives the second fixture block 35 to extend into the ball storage cavity 28 and stretch the first tension spring 36, and the second fixture block 35 clamps other tennis balls 23 above the bottommost tennis ball 23, so that the tennis balls 23 are prevented from being discharged at one time; when the push rod 38 continues to move downward, when the push rod 38 passes through the first through slot 42, the first wedge 43 drives the first block 32 to retract into the first mounting slot 31 and compress the first spring 33, and the tennis ball 23 at the bottommost position loses the restriction of the first block 32 falls downward along the ball storage cavity 28 and is discharged from the ball outlet 30, as shown in fig. 3. After the ball is taken out, the shifting handle 40 is loosened, the second tension spring 39 in the stretching state retracts and drives the push rod 38 to move upwards to the original position, the push rod 38 is firstly separated from the first wedge-shaped block 43, and the first spring 33 in the compression state extends and drives one end of the first clamping block 32 to extend into the ball storage cavity 28 again; then the push rod 38 is separated from the second wedge block 45, the first tension spring 36 in the stretched state retracts and drives the second fixture 35 to retract into the second mounting groove 34 again, and then the tennis ball 23 located above the second fixture 35 falls down onto the first fixture 32.
As shown in fig. 6, a method for using a portable multipurpose ball net rack includes the following steps:
s1, adjusting the distance between the left bracket 1 and the right bracket 2 according to the type of the ball games;
s2, releasing the net 4 by the wind-up roll 3 and attaching the free end of said net 4 to said right frame 2;
s3, rolling the net 4 by the rolling roller 3, and tightening the net 4 between the left bracket 1 and the right bracket 2;
s4, adjusting the height of the net 4 according to the type of ball game.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. The utility model provides a portable multi-purpose ball net frame which characterized in that: the ball net winding device comprises a left support and a right support which are oppositely arranged, wherein a winding roller is movably mounted on the left support up and down, a ball net is wound on the winding roller, a connecting plate is movably mounted on the right support up and down, and a connecting mechanism is arranged between the free end of the ball net and the connecting plate; a holding tank is arranged on the right side of the left support, a vertically extending threaded pipe is arranged in the holding tank, the threaded pipe is connected with one side wall of the holding tank in a vertical sliding mode, the threaded pipe is coaxially and rotatably mounted at the upper end of the winding roller, a vertically extending lead screw is further arranged in the holding tank, the upper end of the lead screw is rotatably mounted on the top wall of the holding tank through a polished rod, and the threaded pipe is in threaded connection with the lead screw; be equipped with the slip chamber of vertical extension in the wind-up roll, rotate on the diapire of holding tank install with the vertical axis of the coaxial setting of lead screw, the upper end of vertical axis extends to slip intracavity and fixed mounting have with slip chamber assorted sliding block.
2. A portable utility tennis net mount as defined in claim 1, wherein: the lower extreme of lead screw extends to in the sliding chamber, the lower extreme of lead screw passes through the polished rod and rotates to be installed on the sliding block.
3. A portable utility tennis net mount as defined in claim 1, wherein: a first worm wheel is coaxially and fixedly mounted on a polished rod at the upper end of the lead screw, a first worm meshed with the first worm wheel is arranged in the accommodating tank, one end of the first worm is rotatably mounted on the side wall of the accommodating tank through an optical axis, and the optical axis at one end of the first worm extends to the outer side of the left support and is fixedly provided with a first crank; coaxial fixed mounting has the second worm wheel on the vertical axis, be equipped with in the holding tank with the second worm wheel engaged with second worm, the one end of second worm is passed through the optical axis and is rotated and install on the lateral wall of holding tank, the optical axis of second worm one end extends to the outside and the fixed mounting of left socle have the second crank.
4. A portable utility tennis net mount as defined in claim 1, wherein: one side fixed mounting of screwed pipe has the slider, be equipped with on the lateral wall of holding tank with slider assorted spout, the vertical extension of spout.
5. A portable utility tennis net mount as defined in claim 1, wherein: a vertically extending slideway is arranged on the left side of the right bracket, and the connecting plate is slidably mounted in the slideway; a vertically extending lead screw is arranged in the slide way, the end part of the lead screw is rotatably arranged on the side wall of the slide way through a polished rod, and the connecting plate is in threaded connection with the lead screw; coaxial fixed mounting has the third worm wheel on the polished rod of lead screw one end, be equipped with in the slide with the third worm wheel engaged with third worm, the one end of third worm is passed through the optical axis and is rotated and install on the lateral wall of slide, the optical axis of third worm one end extends to the outside and the fixed mounting of right branch frame have the third crank.
6. A portable utility tennis net mount as defined in claim 1, wherein: the connecting mechanism comprises a plurality of hooks fixedly installed on the left side of the connecting plate, the hooks are evenly arranged at intervals from top to bottom, and the free ends of the net are fixedly connected with hanging rings in one-to-one correspondence to the hooks.
7. A portable utility tennis net mount as defined in claim 1, wherein: a ball storage cavity for storing tennis balls is arranged in the right support, the ball storage cavity is in a vertically extending cylindrical shape, only one tennis ball passes through the ball storage cavity from top to bottom, a ball inlet is formed in one side of the upper end of the ball storage cavity, and a ball outlet communicated with the bottom of the ball storage cavity is formed in one side of the right support; a first mounting groove extending transversely is formed in the side wall of the ball storage cavity, a first clamping block is movably mounted in the first mounting groove, and a first spring used for enabling one end of the first clamping block to extend into the ball storage cavity is connected between the first clamping block and the side wall of the first mounting groove; a second mounting groove extending transversely is formed in the side wall of the ball storage cavity, the second mounting groove is located above the first mounting groove, a second clamping block is movably mounted in the second mounting groove, the vertical distance between the second clamping block and the first clamping block is equal to the diameter of a tennis ball, and a first tension spring used for enabling the second clamping block to be retracted into the second mounting groove is connected between the second clamping block and the side wall of the second mounting groove; and a linkage mechanism for driving the first clamping block to retract into the first mounting groove and driving one end of the second clamping block to extend into the ball storage cavity is arranged in the right support.
8. A portable utility tennis net mount as defined in claim 7, wherein: the linkage mechanism comprises a vertically extending movable cavity positioned in the right support, the first mounting groove and the second mounting groove are communicated with the movable cavity, a push rod positioned above the second mounting groove is slidably mounted in the movable cavity, a second tension spring is connected between the push rod and the top wall of the movable cavity, a shifting handle is fixedly mounted on one side of the push rod, a long-strip-shaped hole is formed in the position, corresponding to the shifting handle, of the right support, and the shifting handle penetrates out of the outer side of the right support from the long-strip-shaped hole and can move along the long-strip-shaped hole; a first through groove extending vertically is formed in the first clamping block, and a first wedge-shaped block located below the push rod is fixedly installed on one side, away from the ball storage cavity, of the first through groove; a second through groove extending vertically is formed in the second clamping block, and a second wedge-shaped block located below the push rod is fixedly installed on one side, close to the ball storage cavity, of the second through groove; the first wedge-shaped block and the second wedge-shaped block are gradually thickened from top to bottom.
9. A portable utility tennis net mount as defined in claim 1, wherein: the ball storage cavity is internally provided with a cover plate used for sealing the ball inlet, the upper end of the cover plate is hinged to the side wall of the ball storage cavity, and a second spring is connected between the inner side of the cover plate and the side wall of the ball storage cavity.
10. A method of using a portable utility tennis net mount according to any one of claims 1 to 9, the method comprising the steps of:
s1, adjusting the distance between the left support and the right support according to the type of the ball game;
s2, releasing the net through the wind-up roll and connecting the free end of the net on the right bracket;
s3, rolling the net through the wind-up roll, and tightly supporting the net between the left support and the right support;
s4, adjusting the height of the net according to the type of ball game.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110144924.9A CN112933565A (en) | 2021-02-02 | 2021-02-02 | Portable multipurpose ball net rack and use method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110144924.9A CN112933565A (en) | 2021-02-02 | 2021-02-02 | Portable multipurpose ball net rack and use method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112933565A true CN112933565A (en) | 2021-06-11 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110144924.9A Withdrawn CN112933565A (en) | 2021-02-02 | 2021-02-02 | Portable multipurpose ball net rack and use method |
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| Country | Link |
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| CN (1) | CN112933565A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09276460A (en) * | 1996-04-16 | 1997-10-28 | Toray Ind Inc | Expansion net post |
| CN104338308A (en) * | 2013-08-06 | 2015-02-11 | 辛欢 | Portable table tennis device |
| KR20170004439A (en) * | 2015-07-02 | 2017-01-11 | 연세대학교 산학협력단 | Folding Type Net for Sports |
| CN209714206U (en) * | 2019-03-26 | 2019-12-03 | 湖南水利水电职业技术学院 | A kind of physical education volleyball frame |
| CN209900634U (en) * | 2019-01-22 | 2020-01-07 | 中国药科大学 | Height-adjustable volleyball frame for physical education |
| CN210274165U (en) * | 2019-10-22 | 2020-04-07 | 广州点动信息科技股份有限公司 | Portable telephone service equipment |
| CN112121381A (en) * | 2020-09-23 | 2020-12-25 | 田质全 | Movable badminton vertical net device |
-
2021
- 2021-02-02 CN CN202110144924.9A patent/CN112933565A/en not_active Withdrawn
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09276460A (en) * | 1996-04-16 | 1997-10-28 | Toray Ind Inc | Expansion net post |
| CN104338308A (en) * | 2013-08-06 | 2015-02-11 | 辛欢 | Portable table tennis device |
| KR20170004439A (en) * | 2015-07-02 | 2017-01-11 | 연세대학교 산학협력단 | Folding Type Net for Sports |
| CN209900634U (en) * | 2019-01-22 | 2020-01-07 | 中国药科大学 | Height-adjustable volleyball frame for physical education |
| CN209714206U (en) * | 2019-03-26 | 2019-12-03 | 湖南水利水电职业技术学院 | A kind of physical education volleyball frame |
| CN210274165U (en) * | 2019-10-22 | 2020-04-07 | 广州点动信息科技股份有限公司 | Portable telephone service equipment |
| CN112121381A (en) * | 2020-09-23 | 2020-12-25 | 田质全 | Movable badminton vertical net device |
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Application publication date: 20210611 |