CN204522209U - Teaching tennis practising apparatus - Google Patents
Teaching tennis practising apparatus Download PDFInfo
- Publication number
- CN204522209U CN204522209U CN201520217639.5U CN201520217639U CN204522209U CN 204522209 U CN204522209 U CN 204522209U CN 201520217639 U CN201520217639 U CN 201520217639U CN 204522209 U CN204522209 U CN 204522209U
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- CN
- China
- Prior art keywords
- pole
- inserted link
- spacing
- support plate
- rotating shaft
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Abstract
The utility model discloses a kind of teaching tennis practising apparatus, comprise base, be arranged on the pole on base, support plate is provided with at the top of pole, support plate is provided with stay cord, tennis is provided with at the end winding support of stay cord, be provided with at the top of pole and laterally turn hole, rotating shaft is provided with in the end of support plate, rotating shaft turns hole by vicarious and transverse direction and is connected, cavity is provided with in pole, the top of cavity turns hole with transverse direction and is connected, the diapire of cavity is provided with vertical extension spring, rotating shaft is provided with limit cam, multiple spacing jack is also provided with in pole, spacing jack is evenly arranged on the outside laterally turning hole, the spacing preiection activity of limit cam is pressed between spacing inserted link.Structure of the present utility model is simple, convenient to use, effectively can improve the learning initiative of beginner, be provided with spacing inserted link, and the different angles can carrying out spacing inserted link as required insert location, thus adjustability is strong, and applicability is good, practical.
Description
Technical field
The utility model belongs to teaching equipment technical field, is specifically related to a kind of teaching tennis practising apparatus.
Background technology
Along with popularizing of tennis, the personnel of hobby tennis get more and more, tennis not only can strengthen blood circulation, consume waste heat, improve body immunity, in the teaching exercise of tennis, tennis service is the technology of the most difficult grasp, if fought each other with opponent in no situation, beginner may cause certain strike, thus the enthusiasm of impact study, so in order to the enthusiasm not affecting beginner, designing a kind of effectively and reliably teaching tennis practising apparatus is the technical barrier that those skilled in the art of the present technique need to solve.
Summary of the invention
In order to solve the problems of the technologies described above, it is simple, easy to use and can carry out the teaching tennis practising apparatus that regulates as required that the utility model is to provide a kind of structure.
The technical scheme realizing the utility model object is a kind of teaching tennis practising apparatus, comprise base, be arranged on the pole on described base, support plate is provided with at the top of described pole, described support plate is provided with stay cord, tennis is provided with at the end winding support of described stay cord, be provided with at the top of described pole and laterally turn hole, rotating shaft is provided with in the end of described support plate, described rotating shaft turns hole by vicarious and described transverse direction and is connected, cavity is provided with in described pole, the top of described cavity turns hole with described transverse direction and is connected, the diapire of described cavity is provided with vertical extension spring, described rotating shaft is provided with limit cam, the top of described extension spring is connected by the edge of rigidity wire drawing with described limit cam, multiple spacing jack is also provided with in described pole, described spacing jack is evenly arranged on the outside laterally turning hole, spacing inserted link is movably arranged in described spacing jack, the spacing preiection activity of described limit cam is pressed between described spacing inserted link.
Described pole comprises bottom pole cylinder and top inserted link cylinder, be provided with lift adjustment position rotating dish at described bottom pole cylinder and inserted link cylinder junction, described top, described extension spring and rigidity wire drawing complete tensioner and regulate under the adjustment of described bottom pole cylinder and top inserted link cylinder.
Described support plate is provided with pulling rope length and regulates rotating disc, the end of described stay cord is wrapped in described pulling rope length and regulates on rotating disc.
The utility model has positive effect: structure of the present utility model is simple, convenient to use, effectively can improve the learning initiative of beginner, in use, pole rotates under the strike effect of tennis on pole, when the effect of extension spring and rigidity wire drawing is issued to the limit of extension spring, extension spring pulls and makes tennis reset thus can realize again impacting, adds somewhat to the interest of tennis exercise, be provided with spacing inserted link, the different angles can carrying out spacing inserted link as required insert location, thus adjustability is strong, be applicable to different crowd exercise and use needs, applicability is good, practical.
Accompanying drawing explanation
In order to make content of the present utility model be more likely to be clearly understood, below according to specific embodiment also by reference to the accompanying drawings, the utility model is described in further detail, wherein:
Fig. 1 is structural representation of the present utility model.
Detailed description of the invention
(embodiment 1)
Fig. 1 shows a kind of detailed description of the invention of the present utility model, and wherein Fig. 1 is structural representation of the present utility model.
See Fig. 1, a kind of teaching tennis practising apparatus, comprise base 1, be arranged on the pole 2 on described base 1, support plate 3 is provided with at the top of described pole 2, described support plate 3 is provided with stay cord 4, tennis 5 is provided with at the end winding support of described stay cord 4, be provided with at the top of described pole 2 and laterally turn hole 6, rotating shaft 7 is provided with in the end of described support plate 3, described rotating shaft 7 turns hole 6 by vicarious 8 with described transverse direction and is connected, cavity 9 is provided with in described pole 2, top and the described transverse direction of described cavity 9 turn hole 6 and are connected, the diapire of described cavity 9 is provided with vertical extension spring 10, described rotating shaft 7 is provided with limit cam 11, the top of described extension spring 10 is connected by the edge of rigidity wire drawing 12 with described limit cam 11, multiple spacing jack 13 is also provided with in described pole 2, described spacing jack 13 is evenly arranged on the outside laterally turning hole 6, spacing inserted link 14 is movably arranged in described spacing jack 13, the spacing preiection activity of described limit cam 11 is pressed between described spacing inserted link 14.
Described pole 2 comprises bottom pole cylinder 21 and top inserted link cylinder 22, be provided with lift adjustment position rotating dish 23 in described bottom pole cylinder 21 and inserted link cylinder 22 junction, described top, described extension spring 10 completes tensioner with rigidity wire drawing 12 and regulates under described bottom pole cylinder 22 with the adjustment of top inserted link cylinder 23.
Described support plate 3 is provided with pulling rope length and regulates rotating disc 15, the end of described stay cord 4 is wrapped in described pulling rope length and regulates on rotating disc 15.
Structure of the present utility model is simple, convenient to use, effectively can improve the learning initiative of beginner, in use, pole rotates under the strike effect of tennis on pole, when the effect of extension spring and rigidity wire drawing is issued to the limit of extension spring, extension spring pulls and makes tennis reset thus can realize again impacting, adds somewhat to the interest of tennis exercise, be provided with spacing inserted link, the different angles can carrying out spacing inserted link as required insert location, thus adjustability is strong, are applicable to different crowd exercise and use needs, applicability is good, practical.Obviously, above-described embodiment of the present utility model is only for the utility model example is clearly described, and is not the restriction to embodiment of the present utility model.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here exhaustive without the need to also giving all embodiments.And these belong to connotation of the present utility model the apparent change of extending out or variation still belong to protection domain of the present utility model.
Claims (3)
1. a teaching tennis practising apparatus, comprise base, be arranged on the pole on described base, support plate is provided with at the top of described pole, described support plate is provided with stay cord, tennis is provided with at the end winding support of described stay cord, it is characterized in that: be provided with at the top of described pole and laterally turn hole, rotating shaft is provided with in the end of described support plate, described rotating shaft turns hole by vicarious and described transverse direction and is connected, cavity is provided with in described pole, the top of described cavity turns hole with described transverse direction and is connected, the diapire of described cavity is provided with vertical extension spring, described rotating shaft is provided with limit cam, the top of described extension spring is connected by the edge of rigidity wire drawing with described limit cam, multiple spacing jack is also provided with in described pole, described spacing jack is evenly arranged on the outside laterally turning hole, spacing inserted link is movably arranged in described spacing jack, the spacing preiection activity of described limit cam is pressed between described spacing inserted link.
2. teaching tennis practising apparatus according to claim 1, it is characterized in that: described pole comprises bottom pole cylinder and top inserted link cylinder, be provided with lift adjustment position rotating dish at described bottom pole cylinder and inserted link cylinder junction, described top, described extension spring and rigidity wire drawing complete tensioner and regulate under the adjustment of described bottom pole cylinder and top inserted link cylinder.
3. teaching tennis practising apparatus according to claim 2, is characterized in that: on described support plate, be provided with pulling rope length regulate rotating disc, and the end of described stay cord is wrapped in described pulling rope length and regulates on rotating disc.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520217639.5U CN204522209U (en) | 2015-04-13 | 2015-04-13 | Teaching tennis practising apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520217639.5U CN204522209U (en) | 2015-04-13 | 2015-04-13 | Teaching tennis practising apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204522209U true CN204522209U (en) | 2015-08-05 |
Family
ID=53736270
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520217639.5U Expired - Fee Related CN204522209U (en) | 2015-04-13 | 2015-04-13 | Teaching tennis practising apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204522209U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112190905A (en) * | 2020-09-30 | 2021-01-08 | 温州医科大学 | Multi-functional tennis training is with trainer |
-
2015
- 2015-04-13 CN CN201520217639.5U patent/CN204522209U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112190905A (en) * | 2020-09-30 | 2021-01-08 | 温州医科大学 | Multi-functional tennis training is with trainer |
| CN112190905B (en) * | 2020-09-30 | 2021-07-20 | 温州医科大学 | Multi-functional tennis training is with trainer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150805 Termination date: 20160413 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |