CN209790806U - Tennis ball pitching training device - Google Patents
Tennis ball pitching training device Download PDFInfo
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- CN209790806U CN209790806U CN201920505544.1U CN201920505544U CN209790806U CN 209790806 U CN209790806 U CN 209790806U CN 201920505544 U CN201920505544 U CN 201920505544U CN 209790806 U CN209790806 U CN 209790806U
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- fixedly arranged
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- fixing seat
- side wall
- supporting
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Abstract
a tennis ball pitching training device relates to the technical field of physical training equipment, wherein an eccentric shaft is fixedly sleeved on the output end of a driving motor; a telescopic rod is vertically and fixedly arranged on the left side of the upper part of the supporting table, and a supporting column is vertically and fixedly arranged in the middle of the upper side of the supporting table; a push plate is movably arranged inside the launch barrel, a push rod is vertically and fixedly arranged on the right side of the push plate, the right end of the push rod movably penetrates through the right side surface of the launch barrel and then extends to the right side of the launch barrel, and an adjusting block is fixedly arranged on the extending end of the push rod; the end part of the eccentric shaft is abutted against the left side wall of the adjusting block; compression springs are fixedly arranged between the left side wall of the push plate and the right side wall inside the launching tube, the compression springs are sleeved outside the push rod, operation is simple, the direction of the tennis ball in the launching direction can be determined, a beginner can exercise conveniently, investment of human resources is reduced, and cost is reduced.
Description
Technical Field
The utility model relates to a sports training equipment technical field, concretely relates to tennis training device of pitching.
Background
With the increasing living standard of people, tennis is loved and participated by more and more people in recent years; however, the existing tennis training device in the market is expensive, complicated to operate and often has faults, and the manual mode is wasted, the position of the tennis training device in the first direction cannot be determined, so that the tennis training device is inconvenient for beginners to practice, and needs to be improved urgently.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to prior art's defect and not enough, provide a simple structure, reasonable in design, convenient to use's tennis training device that throws, the operation is fairly simple, can confirm the position that the tennis throws to, and the beginner of being convenient for more practises, has reduced manpower resources's input, reduce cost simultaneously.
In order to achieve the above object, the utility model adopts the following technical scheme: the device comprises a supporting table, a launching tube, a driving motor, an eccentric shaft, a push rod and a compression spring; a right-angle supporting seat is fixedly arranged on the right side wall of the supporting table, a driving motor is fixedly arranged at the upper part of the right-angle supporting seat through a motor bracket, and the driving motor is connected with an external power supply; an eccentric shaft is fixedly sleeved on the output end of the driving motor; a telescopic rod is vertically and fixedly arranged on the left side of the upper part of the supporting table, and a supporting column is vertically and fixedly arranged in the middle of the upper side of the supporting table; a launching tube is arranged above the telescopic rod and the supporting column, a second fixing seat and a first fixing seat are fixedly arranged at the bottom of the launching tube from left to right, rotating shafts are fixedly arranged in the middle of the first fixing seat and the middle of the second fixing seat in a penetrating mode, the upper end of the telescopic rod is movably sleeved on the rotating shaft in the middle of the second fixing seat, and the upper end of the supporting column is movably sleeved on the rotating shaft in the middle of the first fixing seat; a push plate is movably arranged inside the launch barrel, a push rod is vertically and fixedly arranged on the right side of the push plate, the right end of the push rod movably penetrates through the right side surface of the launch barrel and then extends to the right side of the launch barrel, and an adjusting block is fixedly arranged on the extending end of the push rod; the end part of the eccentric shaft is abutted against the left side wall of the adjusting block; a compression spring is fixedly arranged between the left side wall of the push plate and the right side wall inside the launch barrel, and the compression spring is sleeved on the outer side of the push rod.
Furthermore, the width of the adjusting block is gradually increased from top to bottom.
Furthermore, the rotating shaft in the middle of the first fixing seat is fixedly provided with a semicircular fluted disc, the front side wall of the supporting column is fixedly provided with a clamping block, and the clamping block is clamped with the fluted disc on the semicircular fluted disc.
Furthermore, the telescopic rod is formed by sleeving a first support rod and a second support rod, and the lower end of the first support rod is inserted into the second support rod and is fixedly connected with the second support rod through a bolt; the upper end of the first supporting rod is movably sleeved on the rotating shaft in the middle of the second fixing seat, and the lower end of the second supporting rod is fixedly arranged on the supporting table.
Furthermore, the end part of the eccentric shaft is rotatably provided with a guide wheel through a wheel seat, the left side wall of the adjusting block is fixedly provided with a guide groove, and the guide wheel is arranged inside the guide groove in a rolling manner.
After the structure is adopted, the utility model discloses beneficial effect does: a tennis training device that throws ball, the operation is fairly simple, can confirm the position that the tennis throws to, the beginner of being convenient for more practises, has reduced manpower resources's input simultaneously, reduce cost, the utility model has the advantages of simple structure, it is reasonable to set up, the cost of manufacture is low.
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, 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 the present invention.
Fig. 2 is a schematic view of the connection structure of the eccentric shaft, the guide wheel, the guide groove and the adjusting block of the present invention.
Fig. 3 is a schematic view of the connection structure of the first fixing seat, the launching tube, the supporting column, the semicircular fluted disc and the clamping block of the present invention.
Description of reference numerals:
The device comprises a supporting table 1, a right-angle supporting seat 2, a driving motor 3, an eccentric shaft 4, a telescopic rod 5, a first supporting rod 5-1, a second supporting rod 5-2, a supporting column 6, a launching tube 7, a second fixing seat 8, a first fixing seat 9, a rotating shaft 10, a push plate 11, a push rod 12, an adjusting block 13, a compression spring 14, a semicircular fluted disc 15, a clamping block 16, a guide wheel 17 and a guide groove 18.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
Referring to fig. 1 to fig. 3, the technical solution adopted by the present embodiment is: the device comprises a supporting table 1, a launching tube 7, a driving motor 3, an eccentric shaft 4, a push rod 12 and a compression spring 14; a right-angle supporting seat 2 is fixedly arranged on the right side wall of the supporting table 1 through a bolt, a driving motor 3 is fixedly arranged on the upper portion of the right-angle supporting seat 2 through a motor support and the bolt, the driving motor 3 is connected with an external power supply, and the type of the driving motor 3 is 60 KTYZ; an eccentric shaft 4 is fixedly welded and sleeved on the output end of the driving motor 3; a telescopic rod 5 is vertically and fixedly welded on the left side of the upper part of the support table 1, and a support column 6 is vertically and fixedly welded in the middle of the upper side of the support table 1; a launching tube 7 is arranged above the telescopic rod 5 and the supporting column 6, a second fixing seat 8 and a first fixing seat 9 are fixedly welded at the bottom of the launching tube 7 from left to right in sequence, rotating shafts 10 are fixedly welded in the middle of the first fixing seat 9 and the second fixing seat 8, the upper end of the telescopic rod 5 is movably sleeved on the rotating shaft 10 in the middle of the second fixing seat 8, and the upper end of the supporting column 6 is movably sleeved on the rotating shaft 10 in the middle of the first fixing seat 9; a push plate 11 is movably arranged in the launch barrel 7, a push rod 12 is vertically and fixedly welded on the right side of the push plate 11, the right end of the push rod 12 movably penetrates through the right side surface of the launch barrel 7 and then extends to the right side of the launch barrel 7, and an adjusting block 13 is fixedly welded on the extending end; the end part of the eccentric shaft 4 is abutted against the left side wall of the adjusting block 13, the output end of the driving motor 3 drives the eccentric shaft 4 to rotate clockwise, when the end part of the eccentric shaft 4 rotates to the adjusting block 13, the end part of the eccentric shaft 4 slides downwards gradually along with the rotation of the eccentric shaft 4, and at the moment, the dispensing block drives the push rod 12 to move rightwards; a compression spring 14 is fixedly arranged between the left side wall of the push plate 11 and the right side wall inside the launching tube 7, the compression spring 14 is sleeved outside the push rod 12, the push plate 11 is instantaneously returned to the left by the reverse compression force of the compression spring 14, and tennis balls on the left side of the push plate 11 can be ejected out.
Further, the width of the adjusting block 13 is gradually increased from top to bottom, so that the stretching length of the push rod 12 is conveniently increased.
Furthermore, a semicircular fluted disc 15 is fixedly welded on the rotating shaft 10 in the middle of the first fixing seat 9, a clamping block 16 is fixedly welded on the front side wall of the supporting column 6, and the clamping block 16 is clamped with the fluted disc on the semicircular fluted disc 15, so that the stability of the launching tube 7 is improved.
Furthermore, the telescopic rod 5 is formed by sleeving a first support rod 5-1 and a second support rod 5-2, and the lower end of the first support rod 5-1 is inserted into the second support rod 5-2 and is fixedly connected with the first support rod and the second support rod through bolts; the upper end of the first supporting rod 5-1 is movably sleeved on a rotating shaft 10 in the middle of the second fixing seat 8, and the lower end of the second supporting rod 5-2 is fixedly welded on the supporting table 1, so that the direction of the launching tube 7 can be conveniently adjusted.
Furthermore, the end of the eccentric shaft 4 is rotatably provided with a guide wheel 17 through a wheel seat, the left side wall of the adjusting block 13 is fixedly provided with a guide groove 18, and the guide wheel 17 is arranged inside the guide groove 18 in a rolling manner, so that sliding friction is changed into rolling friction, and the abrasion of the end of the eccentric shaft 4 is reduced.
The working principle of the specific embodiment is as follows: tennis balls are placed on the push plate 11 inside the launching tube 7, the driving motor 3 is connected with an external power supply, the output end of the driving motor 3 drives the eccentric shaft 4 to rotate clockwise, when the guide wheel 17 at the end part of the eccentric shaft 4 rotates into the guide groove 18 on the adjusting block 13, along with the rotation of the eccentric shaft 4, the guide wheel 17 rolls downwards along the guide groove 18 gradually, at the moment, the adjusting block drives the push rod 12 to move rightwards, the compression spring 14 is in a compression state, when the eccentric shaft 4 rotates all the time, until the eccentric shaft is separated from the lowest end of the adjusting block 13, the reverse compression force of the compression spring 14 enables the push plate 11 to return leftwards instantly, tennis balls on the left side of the push plate 11 can be ejected out, then the actions are repeated, the tennis balls can be thrown towards one direction continuously, and the.
After adopting above-mentioned structure, this embodiment beneficial effect does:
1. The ball throwing direction of the launching tube 7 is adjusted through the telescopic rod 5, the operation is simple, the direction of the tennis ball throwing direction can be determined, and a beginner can practice the tennis ball conveniently;
2. The eccentric shaft 4 is driven to rotate continuously by the driving motor 3, so that the compression spring 14 continuously performs compression and ejection actions, balls can be thrown in one direction continuously, the investment of human resources is reduced, and the cost is reduced.
The above description is only for the purpose of illustrating the technical solutions of the present invention and not for the purpose of limiting the same, and other modifications or equivalent replacements made by those of ordinary skill in the art to the technical solutions of the present invention should be covered within the scope of the claims of the present invention as long as they do not depart from the spirit and scope of the technical solutions of the present invention.
Claims (5)
1. A tennis ball pitching training device is characterized in that: the device comprises a support table (1), a launching tube (7), a driving motor (3), an eccentric shaft (4), a push rod (12) and a compression spring (14); a right-angle supporting seat (2) is fixedly arranged on the right side wall of the supporting table (1), a driving motor (3) is fixedly arranged on the upper portion of the right-angle supporting seat (2) through a motor support, and the driving motor (3) is connected with an external power supply; an eccentric shaft (4) is fixedly sleeved on the output end of the driving motor (3); a telescopic rod (5) is vertically and fixedly arranged on the left side of the upper part of the support table (1), and a support column (6) is vertically and fixedly arranged in the middle of the upper side of the support table (1); a launching tube (7) is arranged above the telescopic rod (5) and the supporting column (6), a second fixing seat (8) and a first fixing seat (9) are fixedly arranged at the bottom of the launching tube (7) from left to right, rotating shafts (10) are fixedly arranged in the middle of the first fixing seat (9) and the second fixing seat (8) in a penetrating mode, the upper end of the telescopic rod (5) is movably sleeved on the rotating shaft (10) in the middle of the second fixing seat (8), and the upper end of the supporting column (6) is movably sleeved on the rotating shaft (10) in the middle of the first fixing seat (9); a push plate (11) is movably arranged in the launching tube (7), a push rod (12) is vertically and fixedly arranged on the right side of the push plate (11), the right end of the push rod (12) movably penetrates through the right side surface of the launching tube (7) and then extends to the right side of the launching tube (7), and an adjusting block (13) is fixedly arranged on the extending end; the end part of the eccentric shaft (4) is butted with the left side wall of the adjusting block (13); a compression spring (14) is fixedly arranged between the left side wall of the push plate (11) and the right side wall inside the launch barrel (7), and the compression spring (14) is sleeved on the outer side of the push rod (12).
2. A tennis ball pitching training apparatus as claimed in claim 1, wherein: the width of the adjusting block (13) is gradually increased from top to bottom.
3. A tennis ball pitching training apparatus as claimed in claim 1, wherein: a semi-circular fluted disc (15) is fixedly arranged on a rotating shaft (10) in the middle of the first fixing seat (9), a clamping block (16) is fixedly arranged on the front side wall of the supporting column (6), and the clamping block (16) is clamped with a fluted disc on the semi-circular fluted disc (15).
4. A tennis ball pitching training apparatus as claimed in claim 1, wherein: the telescopic rod (5) is formed by sleeving a first support rod (5-1) and a second support rod (5-2), and the lower end of the first support rod (5-1) is inserted into the second support rod (5-2) and is fixedly connected with the first support rod and the second support rod through bolts; the upper end of the first supporting rod (5-1) is movably sleeved on a rotating shaft (10) in the middle of the second fixing seat (8), and the lower end of the second supporting rod (5-2) is fixedly arranged on the supporting table (1).
5. A tennis ball pitching training apparatus as claimed in claim 1, wherein: the end part of the eccentric shaft (4) is rotatably provided with a guide wheel (17) through a wheel seat, the left side wall of the adjusting block (13) is fixedly provided with a guide groove (18), and the guide wheel (17) is arranged inside the guide groove (18) in a rolling manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920505544.1U CN209790806U (en) | 2019-04-15 | 2019-04-15 | Tennis ball pitching training device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920505544.1U CN209790806U (en) | 2019-04-15 | 2019-04-15 | Tennis ball pitching training device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209790806U true CN209790806U (en) | 2019-12-17 |
Family
ID=68829368
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920505544.1U Expired - Fee Related CN209790806U (en) | 2019-04-15 | 2019-04-15 | Tennis ball pitching training device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209790806U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111214820A (en) * | 2020-02-11 | 2020-06-02 | 杭州宝力体育设施工程有限公司 | Tennis ball serving machine |
| CN111420382A (en) * | 2020-04-09 | 2020-07-17 | 华北水利水电大学 | Tennis serving device for physical training |
| CN112915516A (en) * | 2021-04-07 | 2021-06-08 | 南京工业职业技术大学 | Tennis emitter |
-
2019
- 2019-04-15 CN CN201920505544.1U patent/CN209790806U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111214820A (en) * | 2020-02-11 | 2020-06-02 | 杭州宝力体育设施工程有限公司 | Tennis ball serving machine |
| CN111420382A (en) * | 2020-04-09 | 2020-07-17 | 华北水利水电大学 | Tennis serving device for physical training |
| CN111420382B (en) * | 2020-04-09 | 2021-03-19 | 华北水利水电大学 | Tennis serving device for physical training |
| CN112915516A (en) * | 2021-04-07 | 2021-06-08 | 南京工业职业技术大学 | Tennis emitter |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191217 Termination date: 20210415 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |