CN212548194U - Adjustable tennis frame is used in tennis training - Google Patents
Adjustable tennis frame is used in tennis training Download PDFInfo
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- CN212548194U CN212548194U CN202021444802.9U CN202021444802U CN212548194U CN 212548194 U CN212548194 U CN 212548194U CN 202021444802 U CN202021444802 U CN 202021444802U CN 212548194 U CN212548194 U CN 212548194U
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Abstract
The utility model discloses an adjustable tennis frame is used in tennis training, bottom plate and the net of universal wheel are all installed including bottom four corners, the welding of bottom plate top has the mounting panel, and the mounting panel top is opened has first spout, and has pegged graft in the first spout two-way threaded rod, the equal spiro union in two-way threaded rod both ends has first slider, and first slider top all articulates there is the connecting rod, the fixed plate has all been welded at mounting panel top both ends, and two fixed plates all opened the second spout on being close to one side outer wall mutually. The utility model discloses the device can install the net on the roof in injecting the slot with the inserted block, can wave first belt pulley according to training person's ability and height and drive the height that two-way threaded rod rotated the relative distance change through two first sliders when carrying out tennis training, adjusts in a flexible way in the use, still can take off the net after the training and fold and deposit.
Description
Technical Field
The utility model relates to a tennis frame technical field especially relates to an adjustable tennis frame is used in tennis training.
Background
Tennis is a type of ball game, usually played between two single players or two pairs of players who hit a tennis ball with a tennis racket across a net on a tennis court, and originally called "grass tennis", and thereafter, the tennis has been rapidly developed, and now the tennis is prevalent all over the world and called the second largest ball of the world. When tennis training, need use the tennis frame, current tennis frame height is fixed, and people of different heights or when using the tennis frame to play tennis under different circumstances, the unmatched condition of user's height and tennis frame height can appear, influences the use of tennis and experiences the sense.
Therefore, chinese patent (application No. 201821796469.0) discloses "an adjustable tennis frame is used in tennis training", through the setting of jack, limiting plate, sleeve, inserted bar, mounting panel, guide bar, first movable rod, second movable rod, a fixed section of thick bamboo for the device's net height can be adjusted, and fix the movable rod after the altitude mixture control, but the height-adjusting of the device is complex in operation, and the device is stable easily falls down inadequately when the net receives the tennis and hits.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects existing in the prior art and providing an adjustable tennis frame for tennis training.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
an adjustable tennis frame for tennis training comprises a bottom plate and a tennis net, wherein universal wheels are installed at four corners of the bottom plate, a mounting plate is welded at the top of the bottom plate, a first chute is formed in the top of the mounting plate, a bidirectional threaded rod is inserted in the first chute, first sliders are screwed at two ends of the bidirectional threaded rod, a connecting rod is hinged at the top of each first slider, fixing plates are welded at two ends of the top of the mounting plate, two fixing plates are close to a second chute which is formed in the outer wall of one side of the mounting plate, two second sliders are slidably connected in the second chute, a top plate is welded between the two second sliders, inserting plates are welded at two ends of the top plate, two inserting plates are close to the outer wall of one side of the mounting plate and are provided with inserting grooves, connecting plates are bonded at two ends of the tennis net, and the diaphragm top is opened has and runs through the groove, and runs through the inslot and peg graft and have the dwang, cup jointed first belt pulley on the dwang, and two-way threaded rod has cup jointed the second belt pulley near first belt pulley one end.
Preferably, the slot and the insertion block are both of T-shaped structures, and the slot is matched with the insertion block in specification.
Preferably, the two connecting rods are of a cross structure, and one ends of the two connecting rods, which are far away from the first sliding block, are hinged with the two ends of the bottom of the top plate respectively.
Preferably, both ends of the top of the bottom plate are respectively screwed with a screw, and the bottoms of the screws are respectively rotatably connected with a pressing plate with a protruding block.
Preferably, the specification of the first belt pulley is twice that of the second belt pulley, and the first belt pulley is in transmission connection with the second belt pulley through a belt.
Preferably, the first belt pulley is positioned in the through groove, and a shaking handle is welded at one end of the rotating rod.
Preferably, the two-way threaded rod is a threaded rod with two opposite thread directions at two ends.
The utility model has the advantages that:
1. the device can install the net on the roof in inserting the slot with the inserted block, can wave first belt pulley according to training person's ability and height and drive the height that two-way threaded rod rotated the relative distance change through two first sliders and control the mounting panel when carrying out tennis training, adjusts in the use in a flexible way, still can take off the net after the training and fold and deposit well.
2. The specification of the first belt pulley of the device is twice that of the second belt pulley, so that the device can be more quickly and labor-saving when being shaken to adjust, the device can be transferred through the universal wheels, and the pressing plate can be pressed down on the grass land through rotating the screw rod after being transferred to different training positions, so that the device is more stable when being hit by tennis balls.
Drawings
Fig. 1 is a schematic structural view of an adjustable tennis frame for tennis training according to the present invention;
fig. 2 is a schematic view of a net structure of an adjustable tennis frame for tennis training according to the present invention;
fig. 3 is a schematic view of a partially enlarged structure of an adjustable tennis frame for tennis training according to the present invention.
In the figure: the device comprises a base plate 1, a mounting plate 2, a first sliding chute 3, a two-way threaded rod 4, a first sliding block 5, a connecting rod 6, a fixing plate 7, a second sliding chute 8, a second sliding block 9, a top plate 10, an inserting plate 11, a slot 12, a ball net 13, a connecting plate 14, an inserting block 15, a transverse plate 16, a rotating rod 17, a first belt pulley 18, a second belt pulley 19, a screw rod 20 and a pressing plate 21.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Referring to fig. 1-3, an adjustable tennis frame for tennis training comprises a bottom plate 1 and a tennis net 13, wherein universal wheels are respectively arranged at four corners of the bottom plate 1, screw rods 20 are respectively screwed at two ends of the top of the bottom plate 1, a pressing plate 21 with a bump is respectively rotatably connected at the bottom of each screw rod 20, a mounting plate 2 is welded at the top of the bottom plate 1, a first chute 3 is arranged at the top of the mounting plate 2, a bidirectional threaded rod 4 is inserted in the first chute 3, the bidirectional threaded rod 4 is a threaded rod with two ends having opposite thread directions, a first slider 5 is respectively screwed at two ends of the bidirectional threaded rod 4, a connecting rod 6 is hinged at the top of the first slider 5, the two connecting rods 6 are in a cross structure, one ends of the two connecting rods 6 far away from the first slider 5 are respectively hinged with two ends of the bottom of a top plate 10, fixing, the two second sliding grooves 8 are connected with second sliding blocks 9 in a sliding mode, a top plate 10 is welded between the two second sliding blocks 9, inserting plates 11 are welded at two ends of the top plate 10, inserting grooves 12 are formed in the outer walls, close to one sides, of the two inserting plates 11, the inserting grooves 12 and the inserting blocks 15 are of T-shaped structures, the inserting blocks 15 are inserted into the inserting grooves 12, a net 13 is installed on the top plate 10, when tennis training is conducted, a first belt pulley 18 can be shaken according to the capacity and the height of a trainer to drive the two-way threaded rod 4 to rotate, the height of the installing plate 10 is controlled through the change of the relative distance between the two first sliding blocks 5, the adjusting is flexible in the using process, and the net 13 can be taken down and stacked;
the inserting groove 12 is matched with the inserting block 15 in specification, connecting plates 14 are bonded at two ends of the net 13, the inserting block 15 is welded on the outer wall of one side, away from the two connecting plates 14, of each connecting plate, the transverse plate 16 is welded on the outer wall of one side of the fixing plate 7, a through groove is formed in the top of the transverse plate 16, a rotating rod 17 is inserted in the through groove, a first belt pulley 18 is sleeved on the rotating rod 17, the first belt pulley 18 is located in the through groove, a shaking handle is welded at one end of the rotating rod 17, the specification of the first belt pulley 18 is twice that of a second belt pulley 19, the first belt pulley can be more quickly and labor-saving during shaking adjustment, the device can be transferred through universal wheels, and a pressing plate 21 can be pressed down on the grass land through a rotating screw rod 20 after the device is transferred to;
and the first belt pulley 18 is in transmission connection with the second belt pulley 19 through a belt, and the second belt pulley 19 is sleeved at one end, close to the first belt pulley 18, of the bidirectional threaded rod 4.
The working principle is as follows: the inserting block 15 is inserted into the slot 12 to install the net 13 on the top plate 10, when performing tennis training, the first belt pulley 18 is swung according to the ability and height of a trainer to drive the bidirectional threaded rod 4 to rotate, the height of the installation plate 10 is controlled through the relative distance change of the two first sliding blocks 5, and the rotating screw 20 presses the pressing plate 21 on the grass, so that the device is more stable when being struck by tennis.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (7)
1. The utility model provides an adjustable tennis frame for tennis training, includes that bottom plate (1) and net (13) of universal wheel are all installed in bottom four corners, its characterized in that, bottom plate (1) top welding has mounting panel (2), and mounting panel (2) top is opened there is first spout (3), and peg graft in first spout (3) two-way threaded rod (4), two-way threaded rod (4) both ends equal spiro union has first slider (5), and first slider (5) top all articulates there is connecting rod (6), mounting panel (2) top both ends all weld fixed plate (7), and two fixed plate (7) are close to and all open on one side outer wall second spout (8), two equal sliding connection has second slider (9) in second spout (8), and the welding has roof (10) between two second sliders (9), picture peg (11) have all been welded at roof (10) top both ends, and two picture peg (11) are close to one side outer wall mutually and all open slot (12), net (13) both ends all bond and have connecting plate (14), and two connecting plate (14) keep away from one side outer wall mutually and all have welded inserted block (15), fixed plate (7) one side outer wall welding has diaphragm (16), and diaphragm (16) top is opened and is run through the groove, and runs through the inslot and has connect dwang (17), first belt pulley (18) have been cup jointed on dwang (17), and two-way threaded rod (4) have been cup jointed second belt pulley (19) near first belt pulley (18) one end.
2. The adjustable tennis racket for tennis training as claimed in claim 1, wherein said slot (12) and said insertion block (15) are both T-shaped, and the size of said slot (12) and said insertion block (15) are adapted.
3. The adjustable tennis frame for tennis training according to claim 1, wherein the two connecting rods (6) are of a cross-shaped structure, and one ends of the two connecting rods (6) far away from the first sliding block (5) are respectively hinged to two ends of the bottom of the top plate (10).
4. The adjustable tennis frame for tennis training according to claim 1, wherein the two ends of the top of the bottom plate (1) are both screwed with screws (20), and the bottoms of the screws (20) are both rotatably connected with pressing plates (21) with protrusions.
5. An adjustable tennis racket for tennis training as claimed in claim 1, wherein said first pulley (18) has a dimension twice that of said second pulley (19), and said first pulley (18) is in belt-driven connection with said second pulley (19).
6. An adjustable tennis racket for tennis training as claimed in claim 1, wherein said first pulley (18) is located in a through slot, and a rocking handle is welded to one end of said rotating rod (17).
7. An adjustable tennis racket for tennis training as claimed in claim 1, wherein said two-way threaded rod (4) is a threaded rod with opposite thread directions at both ends.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021444802.9U CN212548194U (en) | 2020-07-21 | 2020-07-21 | Adjustable tennis frame is used in tennis training |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021444802.9U CN212548194U (en) | 2020-07-21 | 2020-07-21 | Adjustable tennis frame is used in tennis training |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212548194U true CN212548194U (en) | 2021-02-19 |
Family
ID=74631103
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021444802.9U Active CN212548194U (en) | 2020-07-21 | 2020-07-21 | Adjustable tennis frame is used in tennis training |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212548194U (en) |
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2020
- 2020-07-21 CN CN202021444802.9U patent/CN212548194U/en active Active
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