CN205718914U - For measuring the device of the table tennis hemisphere uniformity - Google Patents
For measuring the device of the table tennis hemisphere uniformity Download PDFInfo
- Publication number
- CN205718914U CN205718914U CN201620315860.9U CN201620315860U CN205718914U CN 205718914 U CN205718914 U CN 205718914U CN 201620315860 U CN201620315860 U CN 201620315860U CN 205718914 U CN205718914 U CN 205718914U
- Authority
- CN
- China
- Prior art keywords
- support member
- table tennis
- mobile bar
- baffle plate
- tennis hemisphere
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Force Measurement Appropriate To Specific Purposes (AREA)
- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The utility model discloses a kind of device for measuring the table tennis hemisphere uniformity, including the support member in dome-type and the mobile bar that is movably connected with support member, the sidewall of support member is provided with multiple through hole, the top of support member is provided with baffle plate, the centre of baffle plate is provided with the perforate running through baffle plate, mobile bar enters in the hollow cavity of support member at least partially across this perforate, there is multiple inductive component the bottom of mobile bar by connecting seat connection, connect seat and be provided with multiple draw-in groove, this draw-in groove includes being perpendicular to the multi-disc postive stop baffle that mobile bar is arranged and the fixing snap ring being located at draw-in groove end face, inductive component includes expansion link, it is located at sensor block and the sensor of expansion link end, inductive component is distributed in the cavity of support member with the center of support member radially for starting point, sensor block may pass through through hole and table tennis hemisphere contact internal walls to be measured.This utility model simple in construction, automaticity is high, and certainty of measurement is high, and measuring speed is fast, has saved cost of labor.
Description
Technical field
This utility model belongs to the making field of table tennis, especially relates to a kind of device for measuring the table tennis hemisphere uniformity.
Background technology
Match table tennis has ball weight, diameter and the standard of thickness of clear stipulaties table tennis, making two hemispheres the to be ensured wall thickness of table tennis is equal, and in order to ensure that table tennis has consistent elasticity, its everywhere wall thickness want uniformity, i.e. when the standard ball of table tennis drops down onto table top from 30 centimetres of destage face eminence, bounce amount should be about 23 centimetres.Traditional detection method generally judges generally by artificial experience, and not only cost of labor is high, and degree of accuracy cannot be guaranteed, and affects the quality of final finished.
Utility model content
In order to overcome the deficiencies in the prior art, this utility model provides a kind of and measures the device for measuring the table tennis hemisphere uniformity that efficiency is high, accuracy of measurement is high.
nullThis utility model solves its technical problem and be the technical scheme is that a kind of device for measuring the table tennis hemisphere uniformity，Including the support member in dome-type and the mobile bar that is movably connected with support member，The sidewall of described support member is provided with multiple through hole，The top of this support member is provided with baffle plate，The centre of this baffle plate is provided with the perforate running through baffle plate，Described mobile bar enters in the hollow cavity of support member at least partially across this perforate，There is multiple inductive component the bottom of described mobile bar by connecting seat connection，Described connection seat is provided with multiple draw-in groove，This draw-in groove includes being perpendicular to the multi-disc postive stop baffle that mobile bar is arranged and the fixing snap ring being located at draw-in groove end face，This inductive component includes expansion link、It is located at sensor block and the sensor of expansion link end，Described inductive component is distributed in the cavity of support member with the center of support member radially for starting point，Sensor block may pass through through hole and table tennis hemisphere contact internal walls to be measured.
Table tennis to be measured is placed in platform, it is positioned at below device, support member moves down the inwall making its outer wall fit in table tennis hemisphere to be measured, mobile bar moves down drive expansion link extruding sensor block, the outer wall of sensor block is contacted with the inwall of table tennis hemisphere to be measured, the squeeze pressure that sensor block is subject to by the sensor being located on sensor block is sent to monitoring center, owing to the sensitivity of sensor is higher, when the wall thickness that sensor block touches is thicker, the squeeze pressure that sensor block is subject to is bigger, when the wall thickness that sensor block touches is relatively thin, the squeeze pressure that sensor block is subject to is less, monitoring center can be by calculating the size that squeeze pressure changes into wall thickness, thus the thickness of table tennis hemisphere detected intuitively.
Further, described baffle plate extends formation convex edge laterally, and this convex edge offsets with table tennis hemisphere end face to be measured.This convex edge can offset with platform, it is to avoid device produces too much extruding to table tennis hemisphere to be measured and deforms.
Further, described mobile bar connecting dynamic assembly, this Power Component can drive the upper and lower motion of mobile bar.
Further, the outer wall of described sensor block is adaptive with the inwall of table tennis hemisphere to be measured.Sensor block is more preferable with the laminating degree of table tennis hemisphere to be measured, and avoids it is produced crimp.
The beneficial effects of the utility model are, simple in construction, and automaticity is high, and certainty of measurement is high, and measuring speed is fast, has saved cost of labor.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the part-structure schematic diagram of draw-in groove.
Fig. 3 is the part-structure schematic diagram of support member.
Fig. 4 is perspective view of the present utility model.
Detailed description of the invention
In order to make those skilled in the art be better understood from this utility model scheme, below in conjunction with the accompanying drawing in this utility model embodiment, technical scheme in this utility model embodiment is carried out clear, complete description, obviously, described embodiment is only a part of embodiment of the present utility model rather than whole embodiments.Based on the embodiment in this utility model, the every other embodiment that those of ordinary skill in the art are obtained under not making creative work premise, all should belong to the scope of this utility model protection.
With reference to shown in Fig. 1-4, a kind of device for measuring the table tennis hemisphere uniformity, including support member 1 and mobile bar 2, mobile bar 2 is movably connected in the top of support member 1 by connector.Support member 1 is in hollow hemisphere type structure, it is internally formed dome-type cavity 13, multiple through hole 11 is offered on the curved wall of support member 1, the top of support member 1 is provided with baffle plate 12, the upper opening of cavity 13 is hidden by this baffle plate 12, and baffle plate 12 circumferentially extending have protrude from the convex edge 122 that cavity 13 is arranged.The centre of baffle plate 12 is provided with the perforate 121 running through baffle plate 12, mobile bar 2 can pass in and out in cavity 13 through this perforate 121, the bottom of mobile bar 2 is fixedly connected with multiple inductive component, inductive component includes expansion link 31, sensor block 32 and sensor, one end of expansion link 31 is connected on mobile bar 2, the other end of expansion link 31 connects sensor block 32, and the outer wall of sensor block 32 has suitable cambered structure with the inwall of table tennis hemisphere 4 to be measured, and sensor block 32 can protrude from support member 1 through through hole 11.Multiple inductive components, centered by the centre of sphere of support member 1, are distributed in the dome-type cavity 13 of bracing frame 1 radially.
The top of mobile bar 2 connects a Power Component, and this Power Component can drive the upper and lower motion of moving member 2 at a certain time interval.The bottom surface of mobile bar 2 is provided with the connection seat being uniformly laid with multiple draw-in groove, draw-in groove is made up of the postive stop baffle 21 around the multi-disc forming annular with radian, postive stop baffle 21 is perpendicular to mobile bar 2 bottom surface, Open Side Down for draw-in groove, draw-in groove end face is provided with fixing snap ring, one end of expansion link 31 is movably connected on fixing snap ring by snap fit, i.e. expansion link 31 can be rotated around fixing snap ring by snap fit, when its card sets the space formed between adjacent postive stop baffle 21, the relative position of expansion link 31 is fixed.And connect seat and could be arranged to be rotationally connected with the bottom surface moving bar 2, i.e. when expansion link 31 connects the sensor block 32 of different azimuth, can realize by being rotationally connected seat, thus draw-in groove is adapted to the sensor block of diverse location, and the bottom surface of mobile bar 2 is provided with the connection seat of multiple said structure.Connection between above-mentioned expansion link 31 and mobile bar 2 is not only firm but also motility is higher.
nullOperation principle of the present utility model is，Table tennis hemisphere 4 to be measured is placed on have with on the platform of table tennis hemisphere 4 outer wall adaptation groove to be measured，Support member 1 is placed in table tennis hemisphere 4 to be measured，Bottom surface, convex edge 122 offsets with the end face of table tennis hemisphere 4 to be measured，The outer wall of support member 1 matches with the inwall of table tennis hemisphere 4 to be measured，Open Power Component，Mobile bar 2 through through hole 11 move down drive expansion link 31 outwardly against，Sensor block 32 protrudes from support member 1 through through hole 11 and extrudes the inwall of table tennis hemisphere 4 to be measured，Owing to the thickness of table tennis hemisphere 4 to be measured is the most different，The squeeze pressure that sensor block 32 is subject to varies in size，The sensor being electrically connected with each sensor block 32 respectively by the pressure conduction experienced to monitoring center，By calculating, squeeze pressure is changed into wall thickness numerical value，Complete the measurement of table tennis hemisphere 4 thickness to be measured.
Above-mentioned detailed description of the invention is used for illustrating this utility model; rather than this utility model is limited; in spirit of the present utility model and scope of the claims, any modifications and changes that this utility model is made, both fall within protection domain of the present utility model.
Claims (4)
- null1. the device being used for measuring the table tennis hemisphere uniformity，It is characterized in that: include the support member in dome-type (1) and the mobile bar (2) being movably connected with support member (1)，The sidewall of described support member (1) is provided with multiple through hole (11)，The top of this support member (1) is provided with baffle plate (12)，The centre of this baffle plate (12) is provided with the perforate (121) running through baffle plate (12)，Described mobile bar (2) enters in the hollow cavity (13) of support member (1) at least partially across this perforate (121)，There is multiple inductive component the bottom of described mobile bar (2) by connecting seat connection，Described connection seat is provided with multiple draw-in groove，This draw-in groove includes being perpendicular to the multi-disc postive stop baffle (21) that mobile bar (2) is arranged and the fixing snap ring being located at draw-in groove end face，Described inductive component includes expansion link (31)、It is located at sensor block (32) and the sensor of expansion link (31) end，Described inductive component is that starting point is distributed in the cavity (13) of support member (1) radially with the center of support member (1)，Sensor block (32) may pass through through hole (11) and protrudes from support member (1) and table tennis hemisphere (4) contact internal walls to be measured.
- Device for measuring the table tennis hemisphere uniformity the most according to claim 1, it is characterised in that: described baffle plate (12) extends formation convex edge (122) laterally, and this convex edge (122) offset with table tennis hemisphere (4) end face to be measured.
- Device for measuring the table tennis hemisphere uniformity the most according to claim 1, it is characterised in that: described mobile bar (2) is upper connects dynamic assembly, and this Power Component can drive mobile bar (2) upper and lower motion.
- Device for measuring the table tennis hemisphere uniformity the most according to claim 1, it is characterised in that: the outer wall of described sensor block (32) is adaptive with the inwall of table tennis hemisphere (4) to be measured.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620315860.9U CN205718914U (en) | 2016-04-15 | 2016-04-15 | For measuring the device of the table tennis hemisphere uniformity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620315860.9U CN205718914U (en) | 2016-04-15 | 2016-04-15 | For measuring the device of the table tennis hemisphere uniformity |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205718914U true CN205718914U (en) | 2016-11-23 |
Family
ID=57307516
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620315860.9U Expired - Fee Related CN205718914U (en) | 2016-04-15 | 2016-04-15 | For measuring the device of the table tennis hemisphere uniformity |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205718914U (en) |
-
2016
- 2016-04-15 CN CN201620315860.9U patent/CN205718914U/en not_active Expired - Fee Related
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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: 20161123 Termination date: 20170415 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |