CN201249015Y - Ball delivery device of table tennis pitching machine - Google Patents
Ball delivery device of table tennis pitching machine Download PDFInfo
- Publication number
- CN201249015Y CN201249015Y CNU2008201890636U CN200820189063U CN201249015Y CN 201249015 Y CN201249015 Y CN 201249015Y CN U2008201890636 U CNU2008201890636 U CN U2008201890636U CN 200820189063 U CN200820189063 U CN 200820189063U CN 201249015 Y CN201249015 Y CN 201249015Y
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- China
- Prior art keywords
- ball
- passage
- screw rod
- pushing
- release
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Abstract
The utility model provides a ball delivery device of table tennis pitching machine, comprising a machine seat containing a receiving cavity, a ball delivery mechanism mounted in the receiving cavity and a ball channel arranged in the machine seat. The ball delivery mechanism comprises a ball pushing electric-motor, a drive mechanism and a ball pushing screw rod. The ball channel is formed by a ball inlet channel and a ball delivery channel communicated with each other; the ball delivery channel comprises has a horizontal straight-through segment and a circular segment; a ball pushing screw rod is horizontally mounted under the joint between the ball inlet channel and the ball delivery channel; the ball pushing screw rod comprises a rotational shaft and a blade wound around the rotational shaft and integrated with the rotational shaft; the height of the bottom face of the spiral flute above the screw rod is identical with the height of the bottom face of the horizontal straight-through segment of the ball delivery channel; the spiral flute of the screw rod is arranged relatively to the ball inlet channel; and one end of the rotational shaft is connected with a driving gear. The ball delivery device has the advantages of steady and smooth ball delivery, and is capable to prevent the table tennis balls from damage and blocking.
Description
Technical field
The utility model relates to a kind of training aid of sports, is specifically related to a kind of ball feeding device that is used for table tenning ball servicing machine.
Background technology
When the training of table tennis, generally needing to seek other people assists, but because each one level is uneven, be difficult to the training goal that reaches desirable, the invention of table tenning ball servicing machine has solved the difficult problem of table tennis training, the table tennis ball serving function is sent the ball of various different angles and different rotating speeds, is fit to people's training of different levels, and good training effect is arranged.
Along with expanding economy, the living standards of the people raising that do not continue, the popular of various sports popularized, the demand of sports equipment is increasing, people require also more and more higher to scientific, the human oriented design of sports equipment, table tenning ball servicing machine has been not limited only to Additional Specialty personnel's training, also is the aid of table tennis fan demand.
Various table tenning ball servicing machines are arranged in the market, all have design well scientific, hommization, but wherein also have some service robots to have release defective smoothly inadequately, the crushing table tennis occurs, phenomenons such as card ball.
Summary of the invention
The purpose of this utility model is the deficiency that has table tenning ball servicing machine now in order to overcome, and a kind of release steady and smooth is provided, can crushing table tennis and the ball feeding device that is used for table tenning ball servicing machine that blocks ball.
The technical solution of the utility model is as follows:
A kind of ball feeding device that is used for table tenning ball servicing machine, include the support that holds cavity, be installed in and hold the release mechanism in the cavity and be located at the interior spheroid passage of support, it is characterized in that: described release mechanism comprises push the ball motor and transmission mechanism, the screw rod of pushing the ball, described spheroid passage is formed by goal passage and release channel connection, the release passage has straight-through section of level and arc section, lower horizontal in goal passage and release passage junction is equipped with the screw rod of pushing the ball, the described screw rod of pushing the ball comprise turning cylinder and be coiled on the turning cylinder and with turning cylinder all-in-one-piece helical blade, the straight-through section of the level bottom surface of the helicla flute bottom surface of screw rod top and release passage is contour, the helicla flute of screw rod is oppositely arranged about the goal passage, one end of turning cylinder is connected with travelling gear, thereby push the ball motor and transmission mechanism drive travelling gear the screw rod of pushing the ball is rotated.
Described goal passage is a vertical passage.
The utility model is further improved, described goal passage is a ramp way or is communicated with the passage that forms by vertical section and tilting section, the straight-through section of the level of the lower part of goal passage and release passage, be respectively a funnel-shaped passage and an oviduct passage, the horn mouth of the bell mouth of goal passage and release passage is connected to form a wealthyer spheroid passage turning cushion chamber.
The helicla flute radius of the described screw rod of pushing the ball greater than common table tennis radius, is 20mm～30mm approximately, and pitch is 41mm～31mm, and the gradient of the tilting section of described goal passage is 40 °～60 °.
The utlity model has following advantage:
Motor and transmission mechanism drive travelling gear and make the screw rod rotation of pushing the ball owing to push the ball; the helical blade on the screw rod of pushing the ball rotates the ball that the passage of will vertically scoring falls and advances the release passage; the lasting rotation of screw rod of pushing the ball makes table tennis deliver to serving mechanism singly in the release passage; the Streamline Design of screw rod owing to push the ball; can carry table tennis in steady and smooth ground; can the crushing spheroid; push the ball the helicla flute radius of screw rod approximately greater than common table tennis radius; be 20mm～30mm; pitch is 41mm～31mm; so more realistic requirement of size setting also can more smooth and easy release, protects spheroid better.
Because table tennis is under the gravity effect, fall on the screw rod of pushing the ball from vertical goal passage, bump against on the helical blade sometimes and other table tennis is failed follow-up in time and situation about having a rebound, make table tennis block the turning of spheroid passage and the phenomenon of card ball occurs, phenomenon for fear of the card ball, the goal passage is set to a ramp way or is communicated with the passage that forms by vertical section with tilting section, the straight-through section of the level of the lower part of goal passage and release passage, it is respectively a funnel-shaped passage and an oviduct passage, the horn mouth of the bell mouth of goal passage and release passage is connected to form a wealthyer spheroid passage turning cushion chamber, when table tennis bumps against on the helical blade and during bounce-back, table tennis obtains buffering and falls after rise in spheroid passage turning cushion chamber, table tennis is with regard to not being blocked in the spheroid passage and the phenomenon that ball occurs blocking like this.
Description of drawings
Fig. 1 is the structural representation that dissects of the utility model embodiment 1 described ball feeding device;
Fig. 2 is the structural representation of the utility model embodiment 2 described ball feeding devices;
Fig. 3 is the structural representation of the screw rod of pushing the ball of the present utility model;
Fig. 4 is the structural representation that dissects of the screw rod of pushing the ball of the present utility model.
The specific embodiment
Below in conjunction with accompanying drawing the utility model is done further statement:
Embodiment one
As Fig. 1, shown in Figure 3, a kind of ball feeding device that is used for table tenning ball servicing machine, include the support 1 that holds cavity, be installed in release mechanism that holds in the cavity and the spheroid passage 2 that is located in the support 1, described release mechanism comprises push the ball motor 3 and transmission mechanism 4, the screw rod 5 of pushing the ball, described spheroid passage 2 is formed by vertical goal passage 21 and 22 connections of release passage, release passage 22 has straight-through section 221 of level and arc section 222, lower horizontal in goal passage 21 and release passage 22 junctions is equipped with the screw rod 5 of pushing the ball, the described screw rod 5 of pushing the ball comprise turning cylinder 51 and be coiled on the turning cylinder and with turning cylinder all-in-one-piece helical blade 52, the straight-through section of helicla flute 53 bottom surfaces of screw rod 5 tops and the level of release passage 22 221 bottom surfaces are contour, the helicla flute 53 of screw rod 5 is oppositely arranged about vertical goal passage 21, one end of turning cylinder 51 is connected with travelling gear 6, thereby motor 3 and the transmission mechanism 4 of pushing the ball drives travelling gears 6 screw rod 5 of pushing the ball is rotated.
Embodiment two
As Fig. 2, shown in Figure 3, a kind of ball feeding device that is used for table tenning ball servicing machine, include the support 1 that holds cavity, be installed in release mechanism that holds in the cavity and the spheroid passage 2 that is located in the support 1, described release mechanism comprises push the ball motor 3 and transmission mechanism 4, the screw rod 5 of pushing the ball, described spheroid passage 2 is formed by goal passage 21 and 22 connections of release passage, described goal passage 21 is by vertical section 211 and fall funnel shaped tilting section 212 and be communicated with and form, release passage 22 has straight-through section 221 of flaring level and arc section 222, the straight-through section 221 of tilting section 212 and level is connected to form a wealthyer spheroid passage turning cushion chamber 23, lower horizontal at turning cushion chamber 23 is equipped with the screw rod 5 of pushing the ball, the described screw rod 5 of pushing the ball comprise turning cylinder 51 and be coiled on the turning cylinder and with turning cylinder all-in-one-piece helical blade 52, the straight-through section of helicla flute 53 bottom surfaces of screw rod 5 tops and the level of release passage 22 221 bottom surfaces are contour, the helicla flute 53 of screw rod 5 is oppositely arranged about goal passage 21, one end of turning cylinder 51 is connected with travelling gear 6, thereby motor 3 and the transmission mechanism 4 of pushing the ball drives travelling gears 6 screw rod 5 of pushing the ball is rotated.
As Fig. 2, shown in Figure 4, the gradient ∠ A of the tilting section of described goal passage is 40 °～60 °, and helicla flute 53 radius Rs greater than common table tennis radius, are 20mm～30mm approximately, and pitch L is 41mm～31mm.
As shown in Figures 1 to 4; motor 3 and transmission mechanism 4 drive travelling gear 6 and make screw rod 5 rotations of pushing the ball owing to push the ball; the helical blade 52 on the screw rod 5 of pushing the ball rotates the ball 7 that goal passage 21 is fallen and advances release passages 22; the lasting rotation of screw rod 5 of pushing the ball makes table tennis deliver to serving mechanism singly in release passage 22; the Streamline Design of screw rod 5 owing to push the ball; can carry table tennis in steady and smooth ground; can the crushing spheroid; push the ball helicla flute 53 radius Rs of screw rod 5 approximately greater than common table tennis radius; be 20mm～30mm, pitch L is 41mm～31mm, so more realistic requirement of size setting; also can more smooth and easy release, protect spheroid better.
As shown in Figure 2, goal passage 21 is set to one is communicated with the passage that forms by vertical section 211 and tilting section 212, the straight-through section 221 of the level of the lower part of goal passage 21 and release passage 22, it is respectively a funnel-shaped passage and an oviduct passage, the horn mouth of the bell mouth of goal passage 21 and release passage 22 is connected to form a wealthyer spheroid passage turning cushion chamber 23, when table tennis 7 bumps against on the helical blade 52 and during bounce-back, table tennis 7 obtains buffering and falls after rise in spheroid passage 2 turning cushion chambers 23, table tennis 7 is with regard to not being blocked in the spheroid passage 2 and the phenomenon that ball occurs blocking like this.
Claims (6)
1. ball feeding device that is used for table tenning ball servicing machine, include the support that holds cavity, be installed in and hold the release mechanism in the cavity and be located at the interior spheroid passage of support, it is characterized in that: described release mechanism comprises push the ball motor and transmission mechanism, the screw rod of pushing the ball, described spheroid passage is formed by goal passage and release channel connection, the release passage has straight-through section of level and arc section, lower horizontal in goal passage and release passage junction is equipped with the screw rod of pushing the ball, the described screw rod of pushing the ball comprise turning cylinder and be coiled on the turning cylinder and with turning cylinder all-in-one-piece helical blade, the straight-through section of the level bottom surface of the helicla flute bottom surface of screw rod top and release passage is contour, the helicla flute of screw rod is oppositely arranged about the goal passage, one end of turning cylinder is connected with travelling gear, thereby push the ball motor and transmission mechanism drive travelling gear the screw rod of pushing the ball is rotated.
2. a kind of ball feeding device according to claim 1 is characterized in that: described goal passage is a vertical passage.
3. a kind of ball feeding device according to claim 1 is characterized in that: described goal passage is a ramp way or is communicated with the passage that forms by vertical section and tilting section.
4. according to claim 1 or 3 described a kind of ball feeding devices, it is characterized in that: the straight-through section of the level of the lower part of described goal passage and release passage, be respectively a funnel-shaped passage and an oviduct passage, the horn mouth of the bell mouth of goal passage and release passage is connected to form a wealthyer spheroid passage turning cushion chamber.
5. a kind of ball feeding device according to claim 1 is characterized in that: the helicla flute radius of the described screw rod of pushing the ball is slightly larger than common table tennis radius, is 20mm～30mm, and pitch is 41mm～31mm.
6. a kind of ball feeding device according to claim 4 is characterized in that: the gradient of the tilting section of described goal passage is 40 °～60 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201890636U CN201249015Y (en) | 2008-08-25 | 2008-08-25 | Ball delivery device of table tennis pitching machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201890636U CN201249015Y (en) | 2008-08-25 | 2008-08-25 | Ball delivery device of table tennis pitching machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201249015Y true CN201249015Y (en) | 2009-06-03 |
Family
ID=40744687
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201890636U Expired - Fee Related CN201249015Y (en) | 2008-08-25 | 2008-08-25 | Ball delivery device of table tennis pitching machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201249015Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101835068B1 (en) * | 2016-12-01 | 2018-03-07 | 주식회사 골프존 | Ball transporting device |
| CN108969991A (en) * | 2018-08-15 | 2018-12-11 | 廖森玮 | A kind of exercise device with reward mechanism |
-
2008
- 2008-08-25 CN CNU2008201890636U patent/CN201249015Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101835068B1 (en) * | 2016-12-01 | 2018-03-07 | 주식회사 골프존 | Ball transporting device |
| CN108969991A (en) * | 2018-08-15 | 2018-12-11 | 廖森玮 | A kind of exercise device with reward mechanism |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090603 Termination date: 20100825 |