CN212347668U - Badminton serving device - Google Patents
Badminton serving device Download PDFInfo
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- CN212347668U CN212347668U CN202020466612.0U CN202020466612U CN212347668U CN 212347668 U CN212347668 U CN 212347668U CN 202020466612 U CN202020466612 U CN 202020466612U CN 212347668 U CN212347668 U CN 212347668U
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- launching tube
- launching
- electric cylinder
- support frame
- push plate
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Abstract
The utility model aims at providing a badminton serving device, which comprises a base, a support frame I, a badminton distributing mechanism, a support frame II, a conveying mechanism, a launching mechanism, a resetting mechanism and an adjusting mechanism; the support frame I is arranged on the rear side of the base; the ball distributing mechanism is fixedly arranged at the top of the support frame I; the adjusting mechanism is fixedly arranged on the front side of the base, the launching mechanism comprises a launching tube, a push plate and a spring, the rear end of the launching tube is arranged on the adjusting mechanism, and the middle part of the launching tube is provided with a ball inlet; the push plate is arranged in the launching tube, and two ends of the spring are respectively connected with the rear end of the launching tube and the rear side surface of the push plate; the resetting mechanism comprises a limiting block, a driving mechanism and an electric cylinder I, wherein the driving mechanism is axially arranged on the outer side of the launching tube, and the electric cylinder I is arranged on the driving mechanism; the limiting block is arranged on a telescopic rod of the electric cylinder I; support frame II is vertical to be installed in the base middle part, and transport mechanism locates on support frame II. The device overcomes the defects of the prior art and has the characteristics of reasonable structure, simple and convenient operation and strong applicability.
Description
Technical Field
This sports auxiliary assembly field, concretely relates to badminton serving device.
Background
In the practice of badminton, a shuttlecock is typically fed in a hitting or throwing manner by a trainer or a training partner who is familiar with the sport of badminton to the location of the trainer. When a practicer wants to fixedly practice a specific action, the badminton is continuously sent to the practicer in the same motion track, which is helpful for the practicer to quickly form muscle memory and master the specific action. Because of the feeding way of manual striking or throwing, the height, the position and the parabola of the badminton cannot be ensured to be the same every time, thereby being not beneficial to improving the skills of the ball trainers or achieving the expected training purpose. Utilize badminton service robot service can compensate the shortcoming that manual service brought to a certain extent to still can show and alleviate training mate, coach's teaching intensity, can carry out self-training and motion under the prerequisite of no coach and training mate even, carry out single batting exercise promptly. Present badminton service robot is when service, and the dynamics and the angle of service are the same more, and then the drop point of badminton is the fixed point more, and can't carry out multi-angle service during service, and then be not convenient for train beginner's reaction capability, meet the ball ability to current service robot common structure is complicated, complex operation, is difficult to satisfy the diversified user demand of user.
Disclosure of Invention
The utility model aims at providing a badminton serving device, the device overcome prior art defect, have rational in infrastructure, easy and simple to handle, characteristics that the suitability is strong.
The technical scheme of the utility model as follows:
a badminton serving device comprises a base, a support frame I, a badminton distributing mechanism, a support frame II, a conveying mechanism, a launching mechanism, a resetting mechanism and an adjusting mechanism;
the supporting frame I is vertically arranged on the rear side of the base; the ball distributing mechanism is fixedly arranged at the top of the support frame I, and a discharge port is formed in the bottom of the ball distributing mechanism; the adjusting mechanism is fixedly arranged on the front side of the base, the launching mechanism comprises a launching tube, a push plate and a spring, the rear end of the launching tube is closed, the front end of the launching tube is opened, the rear end of the launching tube is arranged on the adjusting mechanism, and the upper part of the side wall of the middle part of the launching tube is vertically provided with a ball inlet; the push plate is arranged in the launching tube, the outer diameter of the push plate is slightly smaller than the inner diameter of the launching tube, one end of the spring is fixedly connected with the inner wall of the rear end of the launching tube, and the other end of the spring is connected with the rear side face of the push plate; the resetting mechanism comprises a limiting block, a driving mechanism and an electric cylinder I, wherein the driving mechanism is arranged on the outer side of the launching tube along the axial direction, and the electric cylinder I is arranged on the driving mechanism and can perform feeding motion along the axial direction of the launching tube under the driving of the driving mechanism; the limiting block is arranged on a telescopic rod of the electric cylinder I and can perform feeding motion along the radial direction of the launching tube under the driving of the electric cylinder I;
the conveying mechanism is arranged on the support frame II, the conveying starting end of the conveying mechanism is located right below the discharging port of the ball distributing mechanism, and the tail end of the conveying mechanism corresponds to the ball inlet of the launching mechanism.
Preferably, more than two sliding blocks I are arranged on the outer side of the push plate, and the sliding blocks I are uniformly distributed along the outer circumference of the push plate at intervals; launch a lateral wall be equipped with and prolong launch an axial spout I, spout I correspond slider I and set up, the push pedal install in corresponding spout I through each slider I.
Preferably, the driving mechanism comprises an electric cylinder II, a guide rail, a sliding block II and a sliding groove II; the sliding groove II is arranged on the side wall of the launching tube along the axial direction of the launching tube; the cylinder body of the electric cylinder II is fixedly arranged at the front end of the outer wall of the launching tube and is arranged corresponding to the sliding groove II, and the axial direction of the electric cylinder II is parallel to the axial direction of the launching tube; the two guide rails are arranged and are respectively arranged on two sides of the sliding groove II in parallel; the two sliding blocks II are arranged, the bottoms of the two sliding blocks II are respectively arranged in the guide rail and can slide along the guide rail; the utility model discloses a transmission device, including electronic jar I, electronic jar II, the telescopic link of electronic jar II, the cylinder body bottom both sides of electronic jar I respectively with two II fixed connection of slider, the lateral part of the cylinder body of electronic jar I and the tip fixed connection of the telescopic link of electronic jar II, the telescopic link of electronic jar I perpendicular with the telescopic link of electronic jar II, the telescopic link of electronic jar I can drive the stopper and stretch into in the launching tube or outside the withdrawal launching tube.
Preferably, the sliding groove I and the sliding groove II are not positioned on the vertical shaft section of the launching tube.
Preferably, the adjusting mechanism comprises a support frame III, a rotating shaft, a connecting wheel and an electric cylinder III; the supporting frame III is fixedly arranged on the front side of the base; the rotating shaft is arranged in the horizontal direction and is connected with the top of the supporting frame III through a bearing, and the connecting wheel is fixedly sleeved on the rotating shaft; the cylinder body of the electric cylinder III is fixedly arranged on the base and positioned on the front side of the support frame III, and the telescopic rod of the electric cylinder III vertically extends upwards; the rear side of the launching tube is fixedly connected with the outer edge of the connecting wheel, and the middle of the bottom surface of the launching tube is fixedly connected with the top of the telescopic rod of the electric cylinder III.
Preferably, the conveying mechanism is a conveying belt mechanism driven by a conveying motor; the conveyer belt mechanism is arranged from back to front in the horizontal direction, the rear end of the conveyer belt mechanism corresponds to the discharge port of the ball distributing mechanism, and the rear end of the conveyer belt mechanism corresponds to the ball inlet of the launching tube.
Preferably, the device further comprises a push-pull rod, wherein the push-pull rod is T-shaped, the bottom of the push-pull rod is fixedly connected with the rear side of the base, and the upper portion of the push-pull rod extends backwards.
Preferably, still include the universal wheel, the universal wheel be equipped with four, respectively fixed mounting is on four angles of base bottom.
The working process of the utility model is as follows:
placing the shuttlecocks in the shuttlecock distributing mechanism, starting the conveying motor, and driving the conveying belt mechanism to rotate;
in an initial state, the spring drives the push plate to be pushed forwards under the action of elasticity, the spring is in an extension state, the telescopic rod of the electric cylinder II is controlled to extend out, the limiting block is driven to extend into the launching tube and contact with the push plate, the telescopic rod of the electric cylinder I is controlled to extend out, the limiting block drives the push plate to move towards the rear side, the spring is compressed, and preparation before launching is completed;
the badminton distributing mechanism is controlled to discharge one badminton, the badminton is conveyed forwards through the conveying belt mechanism and falls into the launching tube from the badminton inlet, the telescopic rod of the electric cylinder II is controlled to retract, the limiting block is separated from contact with the push plate, the push plate is pushed forwards under the action of the elastic force of the spring, the badminton is pushed out of the launching tube, and the launching process is completed;
the volleyball period of the badminton separating mechanism, the rotating speed of the conveying belt mechanism and the motion period of the electric cylinder I and the electric cylinder II are adjusted, so that the whole process smoothly runs, and the launching process of the shuttlecocks is repeated.
The utility model adopts the structural combination of the volleyball mechanism and the conveyor belt mechanism to construct the previous badminton conveying process of the serving device, and the conveyor belt mechanism provides buffer for badminton conveying so as to meet the requirements of different serving speeds and lay a foundation for the launching process of the follow-up badminton; the launching mechanism is composed of a spring and a push plate, the repeatability and the stability of the launching process are improved, and meanwhile, the push plate is connected with the launching tube through a sliding block I to form a sliding track, so that the stability of the launching process is further improved; meanwhile, the sliding groove I and the sliding groove II are arranged to avoid the bottom of the launching tube, so that the influence of the sliding grooves on the launching process of the badminton is avoided, the launching stability is improved, and the damage to the badminton is reduced; the reset mechanism adopts a mechanism of combining an electric cylinder with a limiting block, and can be formed by changing the reset of the electric cylinder, so that the elasticity of a spring after reset is changed, the launching distance of the badminton is changed, and the applicability and the flexibility of the device are provided; the angle of the launching tube is changed through the adjusting mechanism, so that the launching device can meet the launching requirements under different conditions, and the applicability is further improved; the universal wheel and the push-pull rod structure facilitate the user to adjust the position of the ball serving device, and improve the use convenience.
Drawings
Fig. 1 is a schematic structural view of a badminton serving device provided by the present invention;
fig. 2 is a schematic structural view of a launching mechanism and a resetting mechanism of the badminton serving device provided by the utility model;
FIG. 3 is a side view of the launching mechanism and the reset mechanism of the badminton serving device provided by the present invention;
the names and serial numbers of the parts in the figure are as follows:
the device comprises a base 1, universal wheels 2, a support frame I3, a ball separating mechanism 4, a support frame II 5, a conveying mechanism 6, a launching mechanism 7, a resetting mechanism 8, an adjusting mechanism 9, a discharge port 10, a conveying motor 11, a conveying belt mechanism 12 and a push-pull rod 13, wherein the universal wheels are arranged on the base 1;
71 is a launch barrel, 72 is a push plate, 73 is a spring, 74 is a ball inlet, 75 is a sliding block I, and 76 is a sliding groove I;
81 is a limiting block, 82 is a driving mechanism, and 83 is an electric cylinder I;
821 is an electric cylinder II, 822 is a guide rail, 823 is a sliding block II, and 824 is a sliding groove II;
91 is support frame III, 92 is the pivot, 93 is the fifth wheel, 94 is electronic jar III.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings and examples.
Example 1
As shown in fig. 1-3, the badminton serving device provided in this embodiment includes a base 1, a support frame i 3, a badminton distributing mechanism 4, a support frame ii 5, a conveying mechanism 6, a launching mechanism 7, a resetting mechanism 8, and an adjusting mechanism 9;
the support frame I3 is vertically arranged on the rear side of the base 1; the ball distributing mechanism 4 is fixedly arranged at the top of the support frame I3, and a discharge port 10 is formed in the bottom of the ball distributing mechanism 4; the adjusting mechanism 9 is fixedly arranged on the front side of the base 1, the launching mechanism 7 comprises a launching tube 71, a push plate 72 and a spring 73, the rear end of the launching tube 71 is closed, the front end of the launching tube is opened, the rear end of the launching tube 71 is arranged on the adjusting mechanism 9, and the upper part of the side wall of the middle part of the launching tube 71 is vertically provided with a ball inlet 74; the push plate 72 is arranged in the launching tube 71, the outer diameter of the push plate 72 is slightly smaller than the inner diameter of the launching tube 71, one end of the spring 73 is fixedly connected with the inner wall of the rear end of the launching tube 71, and the other end of the spring is connected with the rear side surface of the push plate 72; the resetting mechanism 8 comprises a limiting block 81, a driving mechanism 82 and an electric cylinder I83, wherein the driving mechanism 82 is axially arranged on the outer side of the launching tube 71, and the electric cylinder I83 is arranged on the driving mechanism 82 and can be driven by the driving mechanism 82 to perform feeding motion along the axial direction of the launching tube 71; the limiting block 81 is arranged on a telescopic rod of the electric cylinder I83 and can perform feeding motion along the radial direction of the launching tube 71 under the driving of the electric cylinder I83;
the supporting frame II 5 is vertically arranged in the middle of the base 1, the conveying mechanism 6 is arranged on the supporting frame II 5, the conveying starting end of the conveying mechanism 6 is positioned right below the discharge port 10 of the ball distributing mechanism 4, and the tail end of the conveying starting end corresponds to the ball inlet of the launching mechanism 7;
more than two sliding blocks I75 are arranged on the outer side of the push plate 72, and the sliding blocks I75 are uniformly distributed along the outer circumference of the push plate 72 at intervals; the side wall of the launching tube 71 is provided with a sliding groove I76 extending along the axial direction of the launching tube 71, the sliding groove I76 is arranged corresponding to the sliding block I75, and the push plate 72 is arranged in the corresponding sliding groove I76 through each sliding block I75;
the driving mechanism 82 comprises an electric cylinder II 821, a guide rail 822, a sliding block II 823 and a sliding groove II 824; the sliding groove II 824 is arranged on the side wall of the launching tube 71 along the axial direction of the launching tube 71; the cylinder body of the electric cylinder II 821 is fixedly arranged at the front end of the outer wall of the launching cylinder 71 and is arranged corresponding to the sliding chute II 824, and the axial direction of the electric cylinder II 821 is parallel to the axial direction of the launching cylinder 71; two guide rails 822 are arranged and are respectively arranged on two sides of the sliding groove II 824 in parallel; the number of the sliding blocks II 823 is two, the bottoms of the sliding blocks II 823 are respectively arranged in the guide rail 822 and can slide along the guide rail 822; two sides of the bottom of the electric cylinder I83 are fixedly connected with two sliding blocks II 823 respectively, the side of the electric cylinder I83 is fixedly connected with the end of an expansion rod of an electric cylinder II 821, the expansion rod of the electric cylinder I83 is perpendicular to the expansion rod of the electric cylinder II 821, and the expansion rod of the electric cylinder I83 can drive a limiting block 81 to extend into the launching tube 71 or retract outside the launching tube 71;
the sliding groove I76 and the sliding groove II 824 are not positioned on the vertical shaft section of the launching tube 71;
the adjusting mechanism 9 comprises a supporting frame III 91, a rotating shaft 92, a connecting wheel 93 and an electric cylinder III 94; the supporting frame III 91 is fixedly arranged on the front side of the base 1; the rotating shaft 92 is arranged in the horizontal direction and is connected with the top of the supporting frame III 91 through a bearing, and the connecting wheel 93 is fixedly sleeved on the rotating shaft 92; the cylinder body of the electric cylinder III 94 is fixedly arranged on the base 1 and positioned on the front side of the supporting frame III 91, and the telescopic rod of the electric cylinder III 94 vertically extends upwards; the rear side of the launching tube 71 is fixedly connected with the outer edge of the connecting wheel 93, and the middle of the bottom surface of the launching tube 71 is fixedly connected with the top of a telescopic rod of the electric cylinder III 94;
the conveying mechanism 6 is a conveying belt mechanism 12 driven by a conveying motor 11; the conveyor belt mechanism 12 is arranged from back to front in the horizontal direction, the rear end of the conveyor belt mechanism 12 corresponds to the discharge port 10 of the ball distributing mechanism 4, and the rear end of the conveyor belt mechanism 12 corresponds to the ball inlet 74 of the launching tube 71;
the device is characterized by further comprising a push-pull rod 13, wherein the push-pull rod 13 is T-shaped, the bottom of the push-pull rod 13 is fixedly connected with the rear side of the base 1, and the upper part of the push-pull rod 13 extends backwards;
still include universal wheel 2, universal wheel 2 be equipped with four, respectively fixed mounting is on four angles of base 1 bottom.
The ball separating mechanism 4 in this embodiment is a device in the prior art, and can adopt the scheme disclosed in the following references: reference 1-a shuttlecock dispenser ball distribution mechanism CN 109758755A.
The working process of the embodiment is as follows:
placing the shuttlecocks in the shuttlecock distributing mechanism, starting the conveying motor, and driving the conveying belt mechanism to rotate;
in an initial state, the spring drives the push plate to be pushed forwards under the action of elasticity, the telescopic rod of the electric cylinder II is controlled to stretch out, the limiting block is driven to stretch into the launching tube and contact with the push plate, the telescopic rod of the electric cylinder I is controlled to stretch out, the limiting block drives the push plate to move backwards, the spring is compressed, and preparation before launching is completed;
the badminton distributing mechanism is controlled to discharge one badminton, the badminton is conveyed forwards through the conveying belt mechanism and falls into the launching tube from the badminton inlet, the telescopic rod of the electric cylinder II is controlled to retract, the limiting block is separated from contact with the push plate, the push plate is pushed forwards under the action of the elastic force of the spring, the badminton is pushed out of the launching tube, and the launching process is completed;
the volleyball period of the badminton separating mechanism, the rotating speed of the conveying belt mechanism and the motion period of the electric cylinder I and the electric cylinder II are adjusted, so that the whole process smoothly runs, and the launching process of the shuttlecocks is repeated.
Claims (8)
1. The utility model provides a badminton serving device, includes base (1), support frame I (3), divides ball mechanism (4), support frame II (5), transport mechanism (6), launching mechanism (7), canceling release mechanical system (8), adjustment mechanism (9), its characterized in that:
the support frame I (3) is vertically arranged on the rear side of the base (1); the ball distributing mechanism (4) is fixedly arranged at the top of the support frame I (3), and a discharge port (10) is formed in the bottom of the ball distributing mechanism (4); the adjusting mechanism (9) is fixedly arranged on the front side of the base (1), the launching mechanism (7) comprises a launching tube (71), a push plate (72) and a spring (73), the rear end of the launching tube (71) is closed, the front end of the launching tube is open, the rear end of the launching tube (71) is arranged on the adjusting mechanism (9), and the upper part of the side wall of the middle part of the launching tube (71) is vertically provided with a ball inlet (74); the push plate (72) is arranged in the launching tube (71), the outer diameter of the push plate (72) is slightly smaller than the inner diameter of the launching tube (71), one end of the spring (73) is fixedly connected with the inner wall of the rear end of the launching tube (71), and the other end of the spring is connected with the rear side surface of the push plate (72); the resetting mechanism (8) comprises a limiting block (81), a driving mechanism (82) and an electric cylinder I (83), wherein the driving mechanism (82) is axially arranged on the outer side of the launching tube (71), and the electric cylinder I (83) is arranged on the driving mechanism (82) and can be driven by the driving mechanism (82) to perform feeding motion along the axial direction of the launching tube (71); the limiting block (81) is arranged on a telescopic rod of the electric cylinder I (83) and can be driven by the electric cylinder I (83) to perform feeding motion along the radial direction of the launching tube (71);
the support frame II (5) is vertically arranged in the middle of the base (1), the conveying mechanism (6) is arranged on the support frame II (5), the conveying starting end of the conveying mechanism (6) is positioned right below the discharge port (10) of the ball distributing mechanism (4), and the tail end of the conveying starting end corresponds to the ball inlet of the launching mechanism (7).
2. A shuttlecock launching device as claimed in claim 1 characterised in that:
more than two sliding blocks I (75) are arranged on the outer side of the push plate (72), and the sliding blocks I (75) are uniformly distributed along the outer circumference of the push plate (72) at intervals; the lateral wall of the launching tube (71) is provided with a sliding groove I (76) extending along the axial direction of the launching tube (71), the sliding groove I (76) is arranged corresponding to the sliding block I (75), and the push plate (72) is arranged in the corresponding sliding groove I (76) through the sliding blocks I (75).
3. A shuttlecock launching device as claimed in claim 2, characterised in that:
the driving mechanism (82) comprises an electric cylinder II (821), a guide rail (822), a sliding block II (823) and a sliding groove II (824); the sliding groove II (824) is arranged on the side wall of the launching tube (71) along the axial direction of the launching tube (71); the cylinder body of the electric cylinder II (821) is fixedly arranged at the front end of the outer wall of the launching cylinder (71) and is arranged corresponding to the sliding chute II (824), and the axial direction of the electric cylinder II (821) is parallel to the axial direction of the launching cylinder (71); two guide rails (822) are arranged and are respectively arranged on two sides of the sliding groove II (824) in parallel; the number of the sliding blocks II (823) is two, the bottoms of the sliding blocks II are respectively arranged in the guide rail (822) and can slide along the guide rail (822); the two sides of the bottom of the electric cylinder I (83) are fixedly connected with the two sliding blocks II (823) respectively, the side portion of the electric cylinder I (83) is fixedly connected with the end portion of the telescopic rod of the electric cylinder II (821), the telescopic rod of the electric cylinder I (83) is perpendicular to the telescopic rod of the electric cylinder II (821), and the telescopic rod of the electric cylinder I (83) can drive the limiting block (81) to extend into the launching tube (71) or retract outside the launching tube (71).
4. A shuttlecock launching device as claimed in claim 3, characterised in that:
the sliding groove I (76) and the sliding groove II (824) are not positioned on the vertical shaft section of the launching tube (71).
5. A shuttlecock launching device as claimed in claim 1 characterised in that:
the adjusting mechanism (9) comprises a support frame III (91), a rotating shaft (92), a connecting wheel (93) and an electric cylinder III (94); the supporting frame III (91) is fixedly arranged on the front side of the base (1); the rotating shaft (92) is arranged in the horizontal direction and is connected with the top of the supporting frame III (91) through a bearing, and the connecting wheel (93) is fixedly sleeved on the rotating shaft (92); the cylinder body of the electric cylinder III (94) is fixedly arranged on the base (1) and positioned on the front side of the supporting frame III (91), and the telescopic rod of the electric cylinder III (94) vertically extends upwards; the rear side of the launching tube (71) is fixedly connected with the outer edge of the connecting wheel (93), and the middle of the bottom surface of the launching tube (71) is fixedly connected with the top of a telescopic rod of the electric cylinder III (94).
6. A shuttlecock launching device as claimed in claim 1 characterised in that:
the conveying mechanism (6) is a conveying belt mechanism (12) driven by a conveying motor (11); the conveyor belt mechanism (12) is arranged from back to front in the horizontal direction, the rear end of the conveyor belt mechanism (12) corresponds to the discharge port (10) of the ball distributing mechanism (4), and the rear end of the conveyor belt mechanism (12) corresponds to the ball inlet (74) of the launching tube (71).
7. A shuttlecock launching device as claimed in claim 1 characterised in that:
the novel multifunctional chair is characterized by further comprising a push-pull rod (13), wherein the push-pull rod (13) is T-shaped, the bottom of the push-pull rod is fixedly connected with the rear side of the base (1), and the upper portion of the push-pull rod extends backwards.
8. A shuttlecock launching device as claimed in claim 1 characterised in that:
still include universal wheel (2), universal wheel (2) be equipped with four, respectively fixed mounting is on four angles of base (1) bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020466612.0U CN212347668U (en) | 2020-04-02 | 2020-04-02 | Badminton serving device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020466612.0U CN212347668U (en) | 2020-04-02 | 2020-04-02 | Badminton serving device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212347668U true CN212347668U (en) | 2021-01-15 |
Family
ID=74138890
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020466612.0U Expired - Fee Related CN212347668U (en) | 2020-04-02 | 2020-04-02 | Badminton serving device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212347668U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112999631A (en) * | 2021-04-01 | 2021-06-22 | 淮阴工学院 | Badminton training aiding device and training system thereof |
| CN114225347A (en) * | 2021-12-20 | 2022-03-25 | 郑州大学体育学院 | Automatic ball picking and serving integrated device for table tennis |
| CN114470714A (en) * | 2022-02-16 | 2022-05-13 | 山东体育学院 | Automatic badminton serving device for physical training |
-
2020
- 2020-04-02 CN CN202020466612.0U patent/CN212347668U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112999631A (en) * | 2021-04-01 | 2021-06-22 | 淮阴工学院 | Badminton training aiding device and training system thereof |
| CN114225347A (en) * | 2021-12-20 | 2022-03-25 | 郑州大学体育学院 | Automatic ball picking and serving integrated device for table tennis |
| CN114225347B (en) * | 2021-12-20 | 2022-09-13 | 郑州大学体育学院 | Automatic ball picking and serving integrated device for table tennis |
| CN114470714A (en) * | 2022-02-16 | 2022-05-13 | 山东体育学院 | Automatic badminton serving device for physical training |
| CN114470714B (en) * | 2022-02-16 | 2022-11-25 | 山东体育学院 | Automatic badminton serving device for physical training |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210115 Termination date: 20210402 |