CN201912716U - Tennis ball reaeration and storage device - Google Patents
Tennis ball reaeration and storage device Download PDFInfo
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- CN201912716U CN201912716U CN2010205790691U CN201020579069U CN201912716U CN 201912716 U CN201912716 U CN 201912716U CN 2010205790691 U CN2010205790691 U CN 2010205790691U CN 201020579069 U CN201020579069 U CN 201020579069U CN 201912716 U CN201912716 U CN 201912716U
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Abstract
The utility model is applicable to the field of sports equipment, and provides a tennis ball reaeration and storage device. The device comprises a tennis ball cylinder, an aerating cylinder and a pressure adjusting system. The tennis ball cylinder is a pressure container which can be sealed and can be used for storing tennis balls, and an air inlet is arranged at the side wall of the pressure container; the aerating cylinder is arranged beside the tennis ball cylinder, and an air outlet is arranged at the side wall of the aerating cylinder and is communicated with the air inlet of the tennis ball cylinder; and the pressure adjusting system is arranged at the tail end of the aerating cylinder and used for adjusting the pressure of a cavity in the tennis ball cylinder when the tennis ball cylinder is aerated by the aerating cylinder. The pressure adjusting system integrates the functions of pressure adjustment, safe pressure release and manual pressure release, so that the air pressure in the tennis ball cylinder can be effectively stabilized, and the normal aeration to the tennis ball in the tennis ball cylinder can be guaranteed; and the pressure adjusting system does not need a pressure gage, so that the functions can be complete, and the production cost further can be effectively reduced. Furthermore, the tennis ball reaeration and storage device is simple and compact in structure, and is convenient to carry and use.
Description
Technical field
The utility model belongs to the sporting goods field, relates in particular to a kind of tennis and inflates and storing unit again.
Background technology
Tennis divides solid and hollow two kinds.In most training and competitions, all use hollow ball.Hollow core tennis inside is made up of a hollow ball, paste outside one deck felt hair.Hollow rubber ball inner absolute pressure is 1.841bar, is higher than natural atmosphere and presses.Because it is the material of non-complete densification that rubber has micropore, to depress at natural atmosphere, the internal gas of hollow core tennis (hereinafter to be referred as tennis) can see through rubber layer and slowly leak, thereby causes internal pressure to reduce, and the bounce-back of ball weakens.For preventing that this situation from taking place, new tennis promptly is kept in the tennis tube of pressurising sealing after manufacturing.Cylinder pressure is a little more than the ball internal pressure, thereby prevents that gas leaks in the ball.But tennis is when using for the first time, and pressurising tennis tube is opened, and from then on tennis promptly is in natural atmosphere and depresses.Along with the increase of service time, the tennis internal gas leaks gradually, and tennis spring property weakens thereupon.After two to three weeks, the degree that can not continue to use is reduced in the spring of tennis greatly, thereby is dropped replacing.
In order to keep the stability of tennis spring, prolong the service life of tennis, in recent decades, a large amount of patented technology of worldwide gushing out.Wherein the principle of most patented technologies is basic identical: used tennis is put among the airtight pressure vessel immediately, inflation pressurization in container, make container inner pressure be higher than the tennis air pressure inside, thereby prevent the inner pressure release of tennis, lose in the internal pressure of use to remedy tennis to the tennis inner inflatable simultaneously.The difference of these patents is that its contour structures, inflation mode, pressure are regulated and the switching mode of pressure vessel different.
All there be following this or the sort of deficiency and defective separately in research by analysis, these patented technologies:
1. clearly do not provide work and design parameter, special the blowing pressure stays in conceptual phase.
2. structure relative complex, manufacturing cost is than higher.
3. operation is difficult for poor practicability.
4. do not prove the validity of its patented technology.
5. lack experimental data, use after its technology the tennis spring property and the improvement in service life to show.
Owing to above reason, put into production and use without any a kind of so far in these patented technologies.
The utility model content
Technical problem to be solved in the utility model be to provide a kind of simple in structure, be easy to carry, tennis that the blowing pressure is stable inflates and storing unit again.
The utility model is achieved in that a kind of tennis inflates and storing unit again, comprises tennis tube and inflator.Described tennis tube is a closed pressure vessel that is used to deposit tennis, and its sidewall offers an air inlet; Described inflator places by the described tennis tube, and its sidewall offers a gas outlet that is communicated with described tennis tube air inlet; Also comprise the pressure regulating system of a described tennis tube inner chamber pressure when being used to regulate described inflator described tennis tube being inflated, described pressure regulating system is located at described inflator end.
Particularly, the setting air pressure of described tennis tube inner chamber pressure is 1.92～4bar.
Particularly, described inflator comprises that a cylindrical shell, is slidedly arranged on the piston in the described cylindrical shell, the handle that a push rod, that is connected with described piston is fixedly arranged on described push rod outer end, in described cylindrical shell and be positioned at described piston inboard and be provided with a check-valves, described gas outlet is positioned at described check-valves inboard.
Particularly, described pressure regulating system comprises that one is arranged in the conical sealing-plug of described inflator bottom, the tapering point of described sealing-plug is towards described inflator inner chamber, the tapering point of described sealing-plug is connected with an extension spring, the described extension spring other end is fixedly arranged on the fixed mount, and described fixed mount is fixedly arranged on the inboard of described inflator bottom.
Perhaps, described pressure regulating system comprises that one is embedded in the conical sealing-plug of described inflator bottom, the tapering point of described sealing-plug is towards described inflator inner chamber, the tapering point of described sealing-plug is connected with a fixed bar, described fixed bar is connected with a baffle plate perpendicular to described fixed bar, be arranged with a compression spring on the described fixed bar, described compression spring one end is connected to described baffle plate, and the other end is connected to the inboard of described inflator bottom.
Further, the outer end of described sealing-plug is connected with the leader.
Particularly, the piston diameter of described inflator is 15mm～30mm.
Particularly, described tennis tube comprises a stack shell and a cover that is threaded with described stack shell, and described stack shell opening part offers an outward-dipping edge, is provided with the sealing ring that a cross section is a V-arrangement between described stack shell edge and the cover.
Particularly, described stack shell opening part outer wall is processed with external screw thread, and described cover inwall is processed with the internal thread that cooperates with described external screw thread, and described stack shell opening part outer wall is provided with a flange that circumferentially is provided with in described external screw thread end.
Further, the contiguous described sealing ring of described cover place offers some air-vents that circumferentially distribute along described cover.
The pressure regulating system that the utility model provides integrates pressure adjusting, safety relief, manual pressure release three functions, effectively stablize the air pressure in the tennis tube, assurance is normally inflated the tennis in the tennis tube, and pressure regulating system need not Pressure gauge, multiple functional, can also effectively reduce production costs.In addition, the tennis that the utility model provides is inflated and storing unit again, and is simple and compact for structure, and use is easy to carry.
Description of drawings
Fig. 1 is that tennis that the utility model embodiment provides is inflated and the schematic diagram of storing unit again;
Fig. 2 a is the schematic diagram of the pressure regulating system that provides of the utility model embodiment;
Fig. 2 b is the schematic diagram of the another kind of pressure regulating system that provides of the utility model embodiment;
Fig. 3 is the schematic diagram of the open and close system of the tennis tube that provides of the utility model embodiment.
The specific embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearer,, the utility model is further elaborated below in conjunction with drawings and Examples.Should be appreciated that specific embodiment described herein only in order to explanation the utility model, and be not used in qualification the utility model.
As shown in Figure 1, a kind of tennis that the utility model embodiment provides is inflated and storing unit again, form by tennis tube 1, inflator 2 and pressure regulating system 3 three parts,
Inflator 2 places tennis tube 1 other, and its sidewall offers a gas outlet 26 that is communicated with the air inlet 14 of tennis tube 1;
Also comprise the pressure regulating system 3 of a tube of tennis when being used to regulate 2 pairs of tennis tubes 1 of inflator and inflating 1 chamber pressure, pressure regulating system 3 is located at inflator 2 ends.
When inflate after pressurization makes air pressure tennis tube 1 in surpass setting air pressure pressure regulating system 3 automatic vent pressure releases with 2 pairs of tennis tubes 1 of inflator.The operator stops inflator 2 is inflated when hearing the exhaust sound of pressure regulating system 3 at once.Pressure regulating system 3 stops exhaust automatically when setting air pressure when the air pressure in the tennis tube 1 is reduced to, and at this moment, the air pressure in the tennis tube 1 can remain on that to set air pressure constant.Because the air pressure in the tennis tube 1 is greater than the air pressure in the tennis 4, therefore, the gas in the tennis 4 can outwards not leak again, and gas can progress in the tennis 4 in the tennis tube 1 simultaneously, leaks to remedy tennis 4 internal gas in use.Tennis 4 can continue to use after inflation.
Pressure regulating system 3 of the present utility model can also effectively be stablized the air pressure in the tennis tube 1 when reducing production costs, guarantee the tennis 4 in the tennis tube 1 is normally inflated.The tennis that the utility model provides is inflated and storing unit again, and is simple and compact for structure, and use is easy to carry.
In order to ensure the inflation effect, must determine the blowing pressure in the tennis tube 1.Through measuring and calculating, to leak in order to remedy tennis 4 gas in use, the blowing pressure in the tennis tube 1 should be higher than 1.92bar.Experiment shows that the process of inflation is very slow in tennis 4, for shortening inflationtime, improves charging efficiency, must improve the blowing pressure.But the blowing pressure can not be too high, otherwise might inflate too much, makes tennis 4 internal pressures surpass setting value (1.841bar).Inflate resistance simultaneously and increase, bring difficulty for whole Design of device.Through repetition test, but the scope of application of the setting air pressure in the tennis tube 1 is preferably in 1.92～4.0bar.Consider that tennis in most of the cases is used weekly one to three time, each uniform charge time is fair to be 3 days, and it is 3bar that the best in the tennis tube 1 is set air pressure.
As shown in Figure 1, inflator 2 comprises that a cylindrical shell 21, is slidedly arranged on the piston 22 in the cylindrical shell 21, the handle 24 that a push rod that is connected with piston 22 23, is fixedly arranged on push rod 23 outer ends, in cylindrical shell 21 and be positioned at piston 22 inboards and be provided with a check-valves 25, gas outlet 26 is positioned at check-valves 25 inboards.When needs were inflated, the operator held handle 24, and the push-and-pull push rod 23 back and forth, and check-valves 25 is opened under the effect of air pressure, and 26 (or air inlets 14) enter tennis tube 1 to gas from the gas outlet continuously, and the air pressure in the tennis tube 1 raises gradually.When stopping to inflate, check-valves 25 cuts out under the effect of air pressure automatically, and the air pressure in the tennis tube 1 remains unchanged.
Shown in Fig. 2 a, pressure regulating system 3 comprises that one is arranged in the conical sealing-plug 31 of inflator 2 bottoms, the tapering point of sealing-plug 31 is towards inflator 2 inner chambers, the tapering point of sealing-plug 31 is connected with an extension spring 32, extension spring 32 is in extended state always, extension spring 32 other ends are fixedly arranged on the fixed mount 33, and fixed mount 33 is fixedly arranged on the inboard of inflator 2 bottoms, and the setting air pressure in the tennis tube 1 is determined by the tensile stress of extension spring 32.Manually inflate in the process utilizing inflator 2, when the air pressure in the tennis tube 1 is less than or equal to setting air pressure, to the outside thrust of sealing-plug 31, sealing-plug 31 is in closed condition to the inside tensile stress of 32 pairs of sealing-plugs of extension spring 31 always greater than the air pressure in the tennis tube 1; When the air pressure in the tennis tube 1 surpasses setting air pressure, air pressure in the tennis tube 1 to the outside thrust of sealing-plug 31 greater than the inside tensile stress of 32 pairs of sealing-plugs of extension spring 31, air pressure in the tennis tube 1 backs down sealing-plug 31, pressure regulating system 3 beginning releasing pressure automaticallies.The operator hears when losing heart sound and stops at once inflating.When the air pressure in the tennis tube 1 is reduced to when setting air pressure and since the inside tensile stress of 32 pairs of sealing-plugs of extension spring 31 greater than the air pressure in the tennis tube 1 to the outside thrust of sealing-plug 31, sealing-plug 31 is closed, pressure regulating system 3 stops exhaust automatically.At this moment, the air pressure in the tennis tube 1 can remain on setting air pressure, and the tennis 4 in the tennis tube 1 just is in inflated condition.Therefore, this pressure regulating system 3 can make the air pressure in the tennis tube 1 be stabilized in setting air pressure always, plays the effect of the air pressure in the tennis tube 1 being carried out pressure adjusting and safety relief.
Shown in Fig. 2 b, pressure regulating system 3 of the present utility model can also adopt the structure shown in Fig. 2 b, be specially: pressure regulating system 3 comprises that one is embedded in the conical sealing-plug 31 of inflator bottom, the tapering point of sealing-plug 31 is towards inflator 2 inner chambers, the tapering point of sealing-plug 31 is connected with a fixed bar 34, fixed bar 34 is connected with a baffle plate 35 perpendicular to fixed bar 34, be arranged with a compression spring 36 on the fixed bar 34, compression spring 36 is in the compression shape always, compression spring 36 1 ends are connected to baffle plate 35, and the other end is connected to the inboard of inflator 2 bottoms.Setting air pressure in the tennis tube 1 is determined that by the compression elasticity of compression spring 36 compression elasticity of 36 pairs of sealing-plugs 31 of compression spring is inside, and is opposite to the outside thrust of sealing-plug 31 with air pressure in the tennis tube 1.The operation principle of the pressure regulating system 3 shown in Fig. 2 b is the same with the operation principle of the pressure regulating system 3 shown in Fig. 2 a, repeats no more herein.
Shown in Fig. 2 a and Fig. 2 b, when charging gas in tennis tube 1, need take out when using by tennis 4, owing in the tennis tube 1 air pressure is arranged,, then need the gas in the tennis tube 1 is carried out manual pressure release for being easy to open tennis tube 1.For realizing this purpose, the utility model is connected with leader 37 in the outer end of sealing-plug 31, during gas in needs are released tennis tube 1, be pulled outwardly handle 37 with hand, sealing-plug 31 is opened thereupon also being pulled outwardly, this moment, tennis tube 1 interior gas can be revealed away from sealing-plug 31, and the air pressure in tennis tube 1 equates with external pressure.Like this, the user just can open tennis tube 1 easily and take out tennis 4.
As shown in Figure 3, tennis tube 1 of the present utility model comprises a stack shell 11 and a cover 12 that is threaded with stack shell 11, stack shell 11 opening parts offer an outward-dipping edge 111, and being provided with a cross section between the edge 111 of stack shell 11 and the cover is the sealing ring 13 of V-arrangement.After cover 12 was fixed on the stack shell 11,12 pairs of sealing rings of cover 13 formed certain pressure, thereby reach sealing effectiveness.When inflation in tennis tube 1, sealing ring 13 pressure inside are greater than the pressure of outside, outside sealing ring 13, because pushing away the cross section of sealing ring 13 is V-arrangement, sealing ring 13 is tightly pressed to the edge 111 of stack shell 11 and the joint portion of cover 12, and the displacement that sealing ring 13 outwards moves is big more, and it is tight more that sealing ring 13 is fitted at 111 places, edge of stack shell 11, sealing effectiveness is good more, thereby reaches the purpose that tennis tube 1 is sealed fully.
Consult Fig. 3 again, stack shell 11 opening part outer walls are processed with external screw thread 112, and cover 12 inwalls are processed with the internal thread 121 that cooperates with external screw thread 112, and stack shell 11 opening part outer walls are provided with a flange 113 that circumferentially is provided with in external screw thread 112 ends.When cover 12 was screwed to flange 113 places, flange 113 can stop cover 12 to continue to be screwed down, thereby had avoided cover 12 to be difficult for opening because of overtorquing.In order to prevent cover 12 overtorquings, the number of turns that also can limit external screw thread 112 and internal thread 121 realizes.
In order to guarantee the pressure differential of sealing ring 13 inside and outsides, can offer some air-vents 122 that circumferentially distribute along cover 12 at cover 12 contiguous sealing rings 13 places.Passage 122 communicates with external pressure, is atmospheric pressure thereby make sealing ring 13 external pressures, and the air pressure inside that has guaranteed sealing ring 13 is greater than external pressure, thereby can make sealing ring 13 play effect to 1 sealing of tennis tube.
The above only is preferred embodiment of the present utility model; not in order to restriction the utility model; all any modifications of within spirit of the present utility model and principle, being done, be equal to and replace and improvement etc., all should be included within the protection domain of the present utility model.
Claims (10)
1. a tennis is inflated and storing unit again, comprises tennis tube and inflator,
Described tennis tube is a closed pressure vessel that is used to deposit tennis, and its sidewall offers an air inlet;
Described inflator places by the described tennis tube, and its sidewall offers a gas outlet that is communicated with described tennis tube air inlet;
It is characterized in that: also comprise the pressure regulating system of a described tennis tube inner chamber pressure when being used to regulate described inflator described tennis tube being inflated, described pressure regulating system is located at described inflator end.
2. tennis as claimed in claim 1 is inflated and storing unit again, it is characterized in that: the setting air pressure of described tennis tube inner chamber pressure is 1.92～4bar.
3. tennis as claimed in claim 2 is inflated and storing unit again, it is characterized in that: described inflator comprises that a cylindrical shell, is slidedly arranged on the piston in the described cylindrical shell, the handle that a push rod, that is connected with described piston is fixedly arranged on described push rod outer end, in described cylindrical shell and be positioned at described piston inboard and be provided with a check-valves, described gas outlet is positioned at described check-valves inboard.
4. tennis as claimed in claim 3 is inflated and storing unit again, it is characterized in that: described pressure regulating system comprises that one is arranged in the conical sealing-plug of described inflator bottom, the tapering point of described sealing-plug is towards described inflator inner chamber, the tapering point of described sealing-plug is connected with an extension spring, the described extension spring other end is fixedly arranged on the fixed mount, and described fixed mount is fixedly arranged on the inboard of described inflator bottom.
5. tennis as claimed in claim 3 is inflated and storing unit again, it is characterized in that: described pressure regulating system comprises that one is embedded in the conical sealing-plug of described inflator bottom, the tapering point of described sealing-plug is towards described inflator inner chamber, the tapering point of described sealing-plug is connected with a fixed bar, described fixed bar is connected with a baffle plate perpendicular to described fixed bar, be arranged with a compression spring on the described fixed bar, described compression spring one end is connected to described baffle plate, and the other end is connected to the inboard of described inflator bottom.
6. inflate and storing unit as claim 4 or 5 described tennises, it is characterized in that: the outer end of described sealing-plug is connected with the leader again.
7. tennis as claimed in claim 1 is inflated and storing unit again, it is characterized in that: the piston diameter of described inflator is 15mm～30mm.
8. tennis as claimed in claim 1 is inflated and storing unit again, it is characterized in that: described tennis tube comprises a stack shell and a cover that is threaded with described stack shell, described stack shell opening part offers an outward-dipping edge, is provided with the sealing ring that a cross section is a V-arrangement between described stack shell edge and the cover.
9. tennis as claimed in claim 8 is inflated and storing unit again, it is characterized in that: described stack shell opening part outer wall is processed with external screw thread, described cover inwall is processed with the internal thread that cooperates with described external screw thread, and described stack shell opening part outer wall is provided with a flange that circumferentially is provided with in described external screw thread end.
10. tennis is inflated and storing unit more as claimed in claim 8 or 9, it is characterized in that: the contiguous described sealing ring of described cover place offers some air-vents that circumferentially distribute along described cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205790691U CN201912716U (en) | 2010-10-27 | 2010-10-27 | Tennis ball reaeration and storage device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205790691U CN201912716U (en) | 2010-10-27 | 2010-10-27 | Tennis ball reaeration and storage device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201912716U true CN201912716U (en) | 2011-08-03 |
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ID=44412534
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205790691U Expired - Fee Related CN201912716U (en) | 2010-10-27 | 2010-10-27 | Tennis ball reaeration and storage device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201912716U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014032466A1 (en) * | 2012-08-31 | 2014-03-06 | 许为民 | Quick opening self-sealed cover of pressure vessel and tennis ball reaeration storage apparatus |
-
2010
- 2010-10-27 CN CN2010205790691U patent/CN201912716U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014032466A1 (en) * | 2012-08-31 | 2014-03-06 | 许为民 | Quick opening self-sealed cover of pressure vessel and tennis ball reaeration storage apparatus |
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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: 20110803 Termination date: 20171027 |