CN204612752U - Table tennis specification detecting instrument - Google Patents
Table tennis specification detecting instrument Download PDFInfo
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- CN204612752U CN204612752U CN201520228181.3U CN201520228181U CN204612752U CN 204612752 U CN204612752 U CN 204612752U CN 201520228181 U CN201520228181 U CN 201520228181U CN 204612752 U CN204612752 U CN 204612752U
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- table tennis
- detecting
- generating laser
- laser
- elevating lever
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Abstract
The utility model discloses table tennis specification detecting instrument, comprise Weight detecting device, apparatus for detecting diameter, for detect position when table tennis falls the first generating laser and for detect table tennis bounce-back time position the second generating laser, apparatus for detecting diameter is fixed on the side of frame upper surface by support level, framework opposite side vertically fixes lifter, lifter internal fixtion regulates the elevating lever of height by elevating lever rack and rinion adjustment, the upper end fixed weight pick-up unit of elevating lever, the second generating laser that the side horizontal of the lower end of elevating lever is fixing; First generating laser is horizontally fixed on the outside surface of distance framework bottom 28cm, lifter; The beneficial effects of the utility model are: on a device, realize the weight to table tennis, diameter, flexible detection, form the special testing instrument of table tennis specification; Utilize micrometer caliper to detect the diameter of table tennis, detect more concrete, accurate.
Description
Technical field
The utility model relates to Product checking field, is specifically related to table tennis specification detecting instrument.
Background technology
Clear stipulaties in table tennis rule: the ball of table tennis is spherosome, and diameter is 40mm, and ping-pong racket weighs 2.7 grams, playing surface can be made with any material, should have consistent elasticity, namely when from destage face, 30 centimetres of eminences drop down onto table top to standard ball, bounce amount should be about 23 centimetres.At present, it is special to be no matter that the ball that uses of international tournament or domestic match at different levels and billiard table all adopt race to specify, pre-games is in space state about the detection of ping-pong contest gauge ball lattice, especially the Ball for training adopted in each table tennis clubs grounding process, all without necessary detection.Traditional detection method is by non-dedicated instrument, artificial experience method, although the method looks feasible, the used time too much, complex steps and degree of accuracy is low, lack enough sciences and preciseness so simultaneously.
Utility model content
The purpose of this utility model is exactly to solve the problem, provide a kind of scientifically, detect the table tennis specification detecting instrument of table tennis specification efficiently.
To achieve these goals, the utility model adopts following technical scheme:
Table tennis specification detecting instrument, comprise Weight detecting device, apparatus for detecting diameter, for detecting the first generating laser of position when table tennis falls and the second generating laser for detecting position when table tennis rebounds, described apparatus for detecting diameter is fixed on the side of frame upper surface by support level, described framework opposite side vertically fixes lifter, described lifter internal fixtion regulates the elevating lever of height by elevating lever rack and rinion adjustment, the upper end fixed weight pick-up unit of described elevating lever, the side horizontal of the lower end of described elevating lever fixes the second described generating laser,
Described first generating laser is horizontally fixed on the outside surface apart from described framework bottom 28cm, described lifter, and the laser of described first laser transmitter projects is crossing with the vertical center line of the card ball position of described apparatus for detecting diameter; Described first generating laser is parallel with the laser of the second laser transmitter projects.
Further, described framework installs translucent glass with the face of described first laser transmitter projects laser place horizontal plane.
Further, on vertical direction, inside and outside described translucent glass, arrange the scale mark arranging 0-30cm from described framework bottom, being in inside and outside described glass at 19cm-23cm scale mark and arranging the scale mark that three are accurate to 0.1cm, is 19-23cm, 21-25cm and 19-23cm respectively.
Further, lifter is arranged the elevating lever micromatic setting controlling elevating lever height.
Further, apparatus for detecting diameter is the micrometer caliper having spiral knob and spiral vernier adjustment knob, and described micrometer caliper one end is fixing on said frame.
Further, Weight detecting device is that high-precision electronic claims.
Further, high-precision electronic has annular pad in claiming.
Further, the distance of micrometer caliper central axis and described framework bottom is 30cm.
Further, the first generating laser center and the second generating laser center vertical direction are on same straight line.
By table tennis specification detecting instrument, one is carried out to the weight of table tennis, diameter and elasticity and scientifically, intuitively detects.
The utility model has the following advantages:
1) on a device, realize the weight to table tennis, diameter, flexible detection, form the special testing instrument of table tennis specification;
2) utilize micrometer caliper to detect the diameter of table tennis, detect more concrete, accurate;
3) setting of scale mark, both can realize the flexible visual inspection of table tennis, can obtain again the accurate measurement of table tennis bounce-back height.
Accompanying drawing explanation
Fig. 1 is stereographic map of the present utility model;
Fig. 2 is the structural representation that the utility model high-precision electronic claims;
Fig. 3 is the schematic diagram of the utility model framework;
Fig. 4 is the partial enlarged drawing of the utility model scale mark;
Wherein, 1. high-precision electronic claims, 2. lifter, 3. framework, 4. support, 5. micrometer caliper, 6. elevating lever, 7. elevating lever rack and rinion adjustment, 8. elevating lever micromatic setting, 9. the first generating laser, 10. the second generating laser, 11. annular pads, 12. tested balls.
Embodiment
Below in conjunction with drawings and Examples, the utility model is further illustrated.
As Figure 1-4, table tennis specification detecting instrument, comprise Weight detecting device, apparatus for detecting diameter, for detecting the first generating laser 9 of position when table tennis falls and the second generating laser 10 for detecting position when table tennis rebounds, described apparatus for detecting diameter is horizontally fixed on the side of height higher than 30cm framework 3 upper surface by support 4, described framework 3 opposite side vertically fixes lifter 2, described lifter 2 internal fixtion regulates the elevating lever 6 of height by elevating lever rack and rinion adjustment 7, the upper end fixed weight pick-up unit of described elevating lever 6, the side horizontal of the lower end of described elevating lever 6 fixes the second described generating laser 10,
Described first generating laser 9 is horizontally fixed on the outside surface of distance framework bottom 28cm, described lifter 2, and the laser that described first generating laser 9 is launched is crossing with the vertical center line of the card ball position of described apparatus for detecting diameter; Described first generating laser 9 is parallel with the laser that the second generating laser 10 is launched.
Further, described framework installs translucent glass with the face of described first generating laser 9 Emission Lasers place horizontal plane.
Further, the scale mark of 0-30cm is set from described framework bottom inside and outside vertical direction translucent glass, being in inside and outside described glass at 19cm-23cm scale mark and arranging the scale mark that three are accurate to 0.1cm, is 19-23cm, 21-25cm and 19-23cm respectively.
Further, lifter 2 is arranged the elevating lever micromatic setting 8 controlling elevating lever 6 height.
Further, apparatus for detecting diameter is the micrometer caliper 5 having spiral knob and spiral vernier adjustment knob, and described micrometer caliper 5 one end is fixed on described framework 3.
Further, framework installs translucent glass with the face of the first generating laser 9 Emission Lasers place horizontal plane.
Further, Weight detecting device is that high-precision electronic claims 1.
Further, high-precision electronic claims there is annular pad 11 in 1.
Further, the distance of micrometer caliper 5 central axis and framework bottom is 30cm.
Further, described first generating laser 9 center and described second generating laser 10 center vertical direction are on same straight line.
Weight detecting: utilize high-precision electronic to claim 1 to detect the weight of tested ball 12, thus judge whether the weight of tested ball 12 meets rule request (2.7 grams).
As shown in Figure 2, concrete operation step is as follows:
First, the display of 1 is claimed by high-precision electronic to set to zero (peeling process);
Then, ball is placed on high-precision electronic to claim in 1, in annular pad 11, to make tested ball 12 be in metastable state;
Finally, claim the display screen of 1 to observe the exact weight of tested ball 12, whether meet rule make science judgment to the weight of tested ball 12 from high-precision electronic, whether weight is 2.7g.
Examine of diameter: utilize micrometer caliper 5 to measure the diameter of tested ball 12, thus judge whether the diameter of tested ball 12 meets rule request (40mm).
As shown in Figure 1, Figure 2 and Figure 3, concrete operation step is as follows:
First, micrometer caliper 5 is returned to zero;
Secondly, with hand-held tested ball 12, carry out adjustment by spiral button and block tested ball 12;
Finally, adjustable screw fine setting button, whether the diameter detecting tested ball is 40mm.(because detected ball is spherosome, so, to the detection of bulb diameter, at least to detect X, Y, Z tri-axles of detected ball.)
Elastomeric check: after tested bulb diameter measurement is completed, the laser 10 utilizing the tested ball 12 of observation whether to pass the second laser transmitter projects detects the elasticity of tested ball;
Concrete operation step is as follows:
First, table tennis specification detecting device is placed on table tennis table table top;
Secondly, the first generating laser 9 and the second generating laser 10 are opened, by adjustment elevating lever 6 laser of the second laser transmitter projects can be dropped on the 21cm scale mark on 0-30cm scale mark; Meanwhile, regulate the vertical height and position of tested ball 12, make the minimum point of the horizontal light beam of the first generating laser 9 transmitting and tested ball 12 spheroid tangent;
Then, quick adjustment spiral knob, makes tested ball freely fall;
Then, observe the bounce-back height of detected ball 12, see the horizontal laser light the light beam whether point arrived bottom it after detected ball 12 first bounce gets up is launched close to the second generating laser 10.If near this light beam, be qualified ball (bottom bounce-back highly about 21 centimetres, now, the ball centre height of detected ball 12 is: about 23 centimetres).
When accurately measuring the definite bounce-back height of detected ball 12 further, repeatedly regulate elevating lever micromatic setting 8, change the vertical height of the second generating laser 10, the horizontal laser light light beam that second generating laser 10 is launched and the minimum point of detected ball 12 tangent, then, sight line is moved to the rule place on translucent glass, the position that the horizontal laser light light beam launched according to the second generating laser 10 stops on the scale accurately reads the definite bounce-back height of detected ball 12: wherein, both sides scale (19-23 centimetre) is for rebounding between exact height read area bottom detected ball 12 spheroid, the corresponding scale of central authorities (21-25 centimetre) are that the digital independent of the ball centre bounce-back height of detected ball 12 is interval.
The above is only preferred implementation of the present utility model; it should be pointed out that for those skilled in the art, under the prerequisite not departing from the utility model principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (7)
1. table tennis specification detecting instrument, it is characterized in that, comprise Weight detecting device, apparatus for detecting diameter, for detecting the first generating laser of position when table tennis falls and the second generating laser for detecting position when table tennis rebounds, described apparatus for detecting diameter is fixed on the side of frame upper surface by support level, described framework opposite side vertically fixes lifter, described lifter internal fixtion regulates the elevating lever of height by elevating lever rack and rinion adjustment, the upper end fixed weight pick-up unit of described elevating lever, the side horizontal of the lower end of described elevating lever fixes the second described generating laser,
Described first generating laser is horizontally fixed on the outside surface apart from described framework bottom 28cm, described lifter, and the laser of described first laser transmitter projects is crossing with the vertical center line of the card ball position of described apparatus for detecting diameter; Described first generating laser is parallel with the laser of the second laser transmitter projects.
2. table tennis specification detecting instrument as claimed in claim 1, it is characterized in that, described apparatus for detecting diameter is the micrometer caliper having spiral knob and spiral vernier adjustment knob, and described micrometer caliper one end is fixing on said frame.
3. table tennis specification detecting instrument as claimed in claim 1, is characterized in that, described framework installs translucent glass with the face of described first laser transmitter projects laser place horizontal plane.
4. table tennis specification detecting instrument as claimed in claim 3, it is characterized in that, on vertical direction, the scale mark arranging 0-30cm from described framework bottom is set inside and outside described translucent glass, being in inside and outside described glass at 19cm-23cm scale mark and arranging the scale mark that three are accurate to 0.1cm, is 19-23cm, 21-25cm and 19-23cm respectively.
5. table tennis specification detecting instrument as claimed in claim 1, it is characterized in that, described Weight detecting device is that high-precision electronic claims.
6. table tennis specification detecting instrument as claimed in claim 5, is characterized in that there is annular pad in described high-precision electronic claims.
7. table tennis specification detecting instrument as claimed in claim 2, it is characterized in that, the distance of described micrometer caliper central axis and described framework bottom is 30cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520228181.3U CN204612752U (en) | 2015-04-15 | 2015-04-15 | Table tennis specification detecting instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520228181.3U CN204612752U (en) | 2015-04-15 | 2015-04-15 | Table tennis specification detecting instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204612752U true CN204612752U (en) | 2015-09-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520228181.3U Expired - Fee Related CN204612752U (en) | 2015-04-15 | 2015-04-15 | Table tennis specification detecting instrument |
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| Country | Link |
|---|---|
| CN (1) | CN204612752U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104748798A (en) * | 2015-04-15 | 2015-07-01 | 山东师范大学 | Table tennis specification detecting instrument |
| CN109632953A (en) * | 2018-11-20 | 2019-04-16 | 葛云艳 | A kind of bearing ball inspection of semifinished product device |
-
2015
- 2015-04-15 CN CN201520228181.3U patent/CN204612752U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104748798A (en) * | 2015-04-15 | 2015-07-01 | 山东师范大学 | Table tennis specification detecting instrument |
| CN109632953A (en) * | 2018-11-20 | 2019-04-16 | 葛云艳 | A kind of bearing ball inspection of semifinished product device |
| CN109632953B (en) * | 2018-11-20 | 2021-04-23 | 博泰智能装备(广东)有限公司 | Bearing ball semi-manufactured goods verifying attachment |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150902 Termination date: 20160415 |