CN108245849A - Hollow ball pump - Google Patents
Hollow ball pump Download PDFInfo
- Publication number
- CN108245849A CN108245849A CN201710877877.2A CN201710877877A CN108245849A CN 108245849 A CN108245849 A CN 108245849A CN 201710877877 A CN201710877877 A CN 201710877877A CN 108245849 A CN108245849 A CN 108245849A
- Authority
- CN
- China
- Prior art keywords
- keeping body
- contact pin
- pump
- inflator
- lid
- 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.)
- Granted
Links
Classifications
-
- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B41/00—Hollow inflatable balls
- A63B41/12—Tools or devices for blowing up or closing balls
Abstract
The present invention provides a kind of hole and is difficult to the hollow ball pump (2) blocked.Needle housing (6) of the inflator (2) including having the pump of contact pin (10) (4) and for covering the contact pin (10).The contact pin (10) has the hole (14) for bypassing air through and the outlet (16) for discharging the air.Needle housing (6) has lid (18) and the keeping body (20) being contained in the lid (18).Contain in keeping body (20) and be soaked with lubricant.When needle housing (6) is installed in pump (4), contact pin (10) is penetrated in keeping body (20).When needle housing (6) is installed in pump (4), outlet (16) is exposed from keeping body (20).Outlet (16) is not exposed to keeping body (20), therefore can inhibit the inside that lubricant enters contact pin (10) by the outlet (16).
Description
Technical field
It is used to fill beating for air into hollow balls such as soft tennis (soft tennis ball) the present invention relates to a kind of
Inflator.
Background technology
Soft tennis has comprising the crosslinking spherical shell of rubber and rubber valve (rubber valve).Spherical shell is hollow.At this
Air is filled in spherical shell.By the air, reach the regulation internal pressure of spherical shell.
Once being impacted repeatedly through racket (racket), air can be leaked gradually from tennis, and internal pressure will be gradually reduced.It is interior
The tennis rebound below for specified value is pressed to be not enough, therefore intolerant to using.
It is depressed inwardly in the tennis of drop and is refilled with air.Inflator is used in filling.Inflator has contact pin.This is inserted
Needle set is useful for the hole bypassed air through and the outlet for discharging the air.The contact pin is penetrated in rubber valve, into tennis
Fill air.
In Japanese Patent Laid-Open 2007-289763 bulletins, announcement has a kind of inflator, is inserted with contact pin and for this
The lid (cap) of needle.The lid is built-in with lubricant applying body.Lubricant is transferred to contact pin from the lubricant applying body.The lubricant
Caused by inhibiting friction when contact pin penetrates rubber valve, the damage of rubber valve.
Existing technical literature
Patent document
Patent document 1：Japanese Patent Laid-Open 2007-289763 bulletins
Invention content
[problem to be solved by the invention]
In the inflator disclosed in Japanese Patent Laid-Open 2007-289763 bulletins, contact pin is covered by lubricant applying body
It is taken care of in the state of lid.In keeping, lubricant can be invaded from the outlet of contact pin in hole, and be stranded in the hole sometimes.
The lubricant can plugging hole.Air is filled using the inflator for the state that hole is blocked, it is necessary to strongly press pump (pump)
It is depressed into the degree for squeezing out lubricant.The pressing of strength is burden for operator.
The purpose of the present invention is to provide a kind of lubricants to be difficult to invade in hole, thus the hole is difficult to the hollow ball blocked use
Inflator.
[technical means to solve problem]
The hollow ball pump of the present invention includes the pump with contact pin and the needle housing for covering the contact pin.The contact pin has
It is useful for the hole bypassed air through and the outlet for discharging the air.There is needle housing lid and keeping body, the keeping body to be received
In the lid, and contain and be soaked with lubricant.The keeping body is located at position as described below, that is, when needle housing is installed in pump, contact pin
It penetrates keeping body and exports from the position that keeping body is exposed.
Preferably, keeping body is foaming body.
Lid can also have the scale for keeping body to be prevented to advance in its inner face.Lid can also have to prevent in its inner face
The protrusion that keeping body is advanced.Keeping body is also engageable in lid.
[The effect of invention]
In the hollow ball pump of the present invention, in a state that needle housing is installed in pump, exports and expose from keeping body, because
This can inhibit lubricant out of the outlet intrusion hole.In the inflator, hole is difficult to block.
Description of the drawings
Fig. 1 is the exploded perspective view for the hollow ball pump for representing one embodiment of the present invention.
Fig. 2 is the front elevation of the pump for the inflator for representing Fig. 1.
Fig. 3 is the enlarged cross-sectional view of a part for the pump for representing Fig. 2.
Fig. 4 is the amplification front view of the needle housing for the inflator for representing Fig. 1.
Fig. 5 is the left side figure for the needle housing for representing Fig. 4.
Fig. 6 is the sectional view along the line VI -- VI of Fig. 4.
Fig. 7 is the sectional view along the VII-VII lines of Fig. 5.
Fig. 8 is the partial cut sectional view for the inflator for representing Fig. 1.
Fig. 9 is the sectional view for representing a part for the inflator of Fig. 1 together with soft tennis.
Figure 10 is the sectional view of a part for the hollow ball pump for representing another embodiment of the present invention.
Figure 11 is the sectional view of a part for the hollow ball pump for representing another embodiment of the invention.
Figure 12 is the sectional view of a part for the hollow ball pump for representing another embodiment of the invention.
Figure 13 is the sectional view of a part for the hollow ball pump for representing another embodiment of the invention.
Figure 14 is the sectional view of a part for the hollow ball pump for representing another embodiment of the invention.
Specific embodiment
Hereinafter, suitably with reference to attached drawing, and based on preferred embodiment come the present invention will be described in detail.
Hollow ball pump 2 shown in FIG. 1 has pump 4 and needle housing 6.Needle housing 6 is mountable to pump 4.The inflator 2 can be used
In to soft tennis filling air.
Pump 4 is represented in Fig. 2.The pump 4 has air cavity (balloon) 8 and contact pin 10.
Air cavity 8 is formed by crosslinking rubber or soft synthetic resin.The air cavity 8 is pliability.The air cavity 8 is hollow.
The air cavity 8 can accumulate air in inside.Fig. 2 represents not being pressed the air cavity 8 of state.When depressed, air cavity 8 is recessed.Gas
Chamber 8 has suction inlet 12.
Fig. 3 represents the enlarged cross-sectional view of a part for the contact pin 10 of the pump 4 of Fig. 2.The contact pin 10 is linked to air cavity 8.This is inserted
Needle 10 is hollow.Needle set has hole 14 and outlet 16.Outlet 16 compared with contact pin 10 front end (right end in Fig. 3) positioned at side (Fig. 3 later
In left side).
Hole 14 can bypass air through.Hole 14 is connected with the inside of air cavity 8.Air inside air cavity 8 can pass through hole 14.The sky
Gas is discharged from outlet 16.As the material of contact pin 10, steel (steel) and stainless steel (stainless steel) are illustrated.
Fig. 4 is the amplification front view of the needle housing 6 for the inflator 2 for representing Fig. 1, and Fig. 5 is the left side for the needle housing 6 for representing Fig. 4
Figure, Fig. 6 is along the sectional view of the line VI -- VI of Fig. 4, and Fig. 7 is the sectional view along the VII-VII lines of Fig. 5.The needle housing 6 has
Lid 18 and keeping body 20.
Lid 18 is hollow.First end 22 (left end in Fig. 7) opening of lid 18, second end 24 (right end in Fig. 7) closing.
The internal diameter of lid 18 attenuates from first end 22 towards second end 24.The typical material of lid 18 is resin combination.Preferably, it covers
18 be transparent.In needle housing 6 with transparent lid 18, it can pass through the lid 18 and see keeping body 20.Lid 18 may also be translucent
's.
As shown in fig. 7, keeping body 20 is accommodated in lid 18.Keeping body 20 does not reach second end 24.Thus, needle housing 6,
Between keeping body 20 and second end 24, there are space (space) 26.Keeping body 20 includes the foaming body with continuous air bubbles.It should
The base material of foaming body is synthetic resin or rubber.Typical base material is polyurethane (polyurethane).Keeping body 20 also can be by
Woven fabric, non-woven fabrics, knitwear, cotton etc. are formed.
Contain in keeping body 20 and be soaked with lubricant.Keeping body 20 keeps lubricant.As the concrete example of lubricant, can enumerate
Oily (oil).Typical lubricant is silicone oil.
Fig. 8 is the partial cut sectional view for the inflator 2 for representing Fig. 1.In Fig. 8, needle housing 6 is installed in pump 4.In this state
Under, needle housing 6 covers contact pin 10.When mounted, contact pin 10 is penetrated in keeping body 20, and through the keeping body 20.Run through by this,
Outlet 16 reaches front side (right side in Fig. 8) compared with keeping body 20.Outlet 16 is located in space 26.Reveal from keeping body 20 outlet 16
Go out.
When manufacturing the inflator 2, which is circulated with state shown in Fig. 8.It is with Fig. 8 to buy the inflator
Shown state takes care of the inflator 2.After the inflator 2, also taken care of with state shown in Fig. 8.
In the state shown in fig. 8, outlet 16 is not contacted with keeping body 20.Thus, containing the lubrication being immersed in keeping body 20
Agent does not reach outlet 16.In the inflator 2, lubricant is inhibited by exporting 16 the phenomenon that intrusion in hole 14.This is inflated
In cylinder 2, hole 14 is difficult to block.
When needle housing 6 is installed in pump 4, contact pin 10 runs through keeping body 20.In other words, contact pin 10 mutually rubs with keeping body 20
It wipes.By the phase mutual friction, lubricant is transferred to the outer surface of contact pin 10 from keeping body 20.When removing needle housing 6 from pump 4, contact pin
10 also with 20 phase mutual friction of keeping body.By the phase mutual friction, lubricant is transferred to the outer surface of contact pin 10 from keeping body 20.It inserts
The outer surface of needle 10 is applied (coating) with lubricant.
When needle housing 6 is installed in pump 4, keeping body 20 can be pushed to front by contact pin 10 sometimes.Have by keeping body 20
Appropriate rigidity, so as to which the internal diameter with lid 18 attenuates with complementing each other, even if being pushed by contact pin 10, keeping body 20 is also difficult to forward
Fang Yidong.By preventing movement of the keeping body 20 towards front, so as to maintain enough spaces 26.Thus, outlet 16 not with guarantor
Body 20 is held to contact.The viewpoint that rigidity and lubricant based on appropriateness are kept, the material of preferred keeping body 20 is foaming body.Especially
It is preferred that highdensity foaming body.Keeping body 20 also can be engaged in lid 18 by adhesive etc..
Fig. 9 is the sectional view for representing a part for the inflator 2 of Fig. 1 and soft tennis 28 together.The soft tennis 28
With spherical shell 30 and rubber valve 32.In Fig. 9, contact pin 10 runs through rubber valve 32.(join when blocking air cavity 8 with finger in this case
According to Fig. 1) suction inlet 12, and when pressing air cavity 8, which is recessed, and the internal pressure of air cavity 8 rises.Air in air cavity 8 passes through
Hole 14 (with reference to Fig. 3).The air is moved to from outlet 16 in spherical shell 30.By the movement, the internal pressure of soft tennis 28 increases.When
When finger leaves suction inlet 12, air cavity 8 restores.During recovery, air flows into the inside of air cavity 8 from suction inlet 12.Pump 4 can also have
For preventing check-valves of the air from 28 adverse current of soft tennis to air cavity 8.
In order to reach state shown in Fig. 9, it is necessary to which contact pin 10 is inserted into rubber valve 32.When being inserted into, contact pin 10 and rubber
The 32 phase mutual friction of glue valve.As previously mentioned, contact pin 10 is applied with lubricant.Thus, the friction coefficient during phase mutual friction is small.Profit
Lubrication prescription inhibits rubber valve 32 to generate burr equivalent damage.
When completing the air filling to soft tennis 28 in the situation of figure 9, contact pin is extracted from rubber valve 32
10.At this point, contact pin 10 and 32 phase mutual friction of rubber valve.As previously mentioned, contact pin 10 is applied with lubricant.Thus, this mutually rubs
Friction coefficient during wiping is small.Lubricant inhibits rubber valve 32 to generate burr equivalent damage.
In the inflator 2, lubricant will not invade hole 14, therefore highly viscous lubricant can be used.Highly viscous lubrication
Agent can be better protected from the damage of rubber valve 32.Highly viscous lubricant is easily maintained in keeping body, thus be difficult to flow out to
Space 26.Highly viscous lubricant is difficult to invade hole 14.
Figure 10 is the sectional view of a part for the hollow ball pump for representing another embodiment of the present invention.In Figure 10
Illustrate needle housing 34.The inflator has similarly to be pumped with the pump 4 of Fig. 1 to inflator 2 shown in Fig. 9.
The needle housing 34 has lid 36 and keeping body 38.The material and shape of keeping body 38 and keeping body 20 shown in Fig. 7
Material and shape are similary.Lid 36 is heavy wall near second end 40.Thus, lid 36 has scale 42 in its inner face.Keeping body 20
It is connected to the scale 42.When needle housing 34 is installed in pump, keeping body 38 can be pushed to front by contact pin sometimes.Even if keeping body 38
It is pushed, scale 42 can also prevent the keeping body 38 from moving forward.Thus, enough spaces 44 can be maintained in lid 36.It should
In inflator, the outlet of contact pin is not contacted with keeping body 38.In the inflator, the phenomenon that lubricant is by exporting to invade in hole
It is inhibited.In the inflator, hole is difficult to block.
Figure 11 is the sectional view of a part for the hollow ball pump for representing another embodiment of the invention.In Figure 11
Illustrate needle housing 46.The inflator has similarly to be pumped with the pump 4 of Fig. 1 to inflator 2 shown in Fig. 9.
The needle housing 46 has lid 48 and keeping body 50.The material of keeping body 50 and the material of keeping body 20 shown in Fig. 7 are same
Sample.Lid 48 has the first scale 52 and the second scale 54 in its inner face.Keeping body 50 is connected to the first scale 52, is also connected to
Two scales 54.Keeping body 50 is clipped by these scales 52,54.When needle housing 46 is installed in pump, even if keeping body 50 is by contact pin
Push front to, the first scale 52 also prevents the keeping body 50 from moving forward.Thus, enough spaces can be maintained in lid 48
56.In the inflator, the outlet of contact pin is not contacted with keeping body 50.In the inflator, lubricant is invaded by exporting in hole
The phenomenon that be inhibited.In the inflator, hole is difficult to block.In the lid 48, the second scale 54 prevents keeping body 50 from moving towards the rear
It is dynamic.
Figure 12 is the sectional view of a part for the hollow ball pump for representing another embodiment of the invention.In Figure 12
Illustrate needle housing 58.The inflator has similarly to be pumped with the pump 4 of Fig. 1 to inflator 2 shown in Fig. 9.
The needle housing 58 has lid 60 and keeping body 62.The material of keeping body 50 and the material of keeping body 20 shown in Fig. 7 are same
Sample.Lid 60 has flank 64 in its inner face.By the flank 64, it is formed with scale 66.Keeping body 62 is connected to scale 66.Work as needle
When cover 58 is installed in pump, even if keeping body 62 pushes front to by contact pin, scale 66 also prevents the keeping body 62 from moving forward.
Thus, enough spaces 68 can be maintained in lid 60.In the inflator, the outlet of contact pin is not contacted with keeping body 62.This is inflated
In cylinder, the phenomenon that lubricant is by exporting to invade in hole, is inhibited.In the inflator, hole is difficult to block.
Figure 13 is the sectional view of a part for the hollow ball pump for representing another embodiment of the invention.In Figure 13
Illustrate needle housing 70.The inflator has similarly to be pumped with the pump 4 of Fig. 1 to inflator 2 shown in Fig. 9.
The needle housing 70 has lid 72 and keeping body 74.The material of keeping body 74 and the material of keeping body 20 shown in Fig. 7 are same
Sample.Lid 72 has multiple protrusions 76 in its inner face.These protrusions 76 press the peripheral surface of keeping body 74.When needle housing 70 is installed in
During pump, even if keeping body 74 pushes front to by contact pin, protrusion 76 also prevents the keeping body 74 from moving forward.Thus, it can cover
Enough spaces 78 are maintained in 72.In the inflator, the outlet of contact pin is not contacted with keeping body 74.In the inflator, lubricant
The phenomenon that by exporting to invade in hole, is inhibited.In the inflator, hole is difficult to block.
Figure 14 is the sectional view of a part for the hollow ball pump for representing another embodiment of the invention.In Figure 14
Illustrate needle housing 80.The inflator has similarly to be pumped with the pump 4 of Fig. 1 to inflator 2 shown in Fig. 9.
The needle housing 80 has lid 82 and keeping body 84.The material of keeping body 84 and the material of keeping body 20 shown in Fig. 7 are same
Sample.Keeping body 84 has principal part 86 and flange 88.Principal part 86 is inserted into lid 82.Flange 88 is connected to the first end 90 of lid 82.When
When needle housing 80 is installed in pump, even if keeping body 84 pushes front to by contact pin, first end 90 also prevents the keeping body 84 forward
It is mobile.Thus, enough spaces 92 can be maintained in lid 82.In the inflator, the outlet of contact pin is not contacted with keeping body 84.It should
In inflator, the phenomenon that lubricant is by exporting to invade in hole, is inhibited.In the inflator, hole is difficult to block.
[industrial availability]
The inflator of the present invention can be used for various hollow balls.
Claims (5)
1. a kind of hollow ball pump, which is characterized in that including：
Pump has contact pin；And needle housing, for covering the contact pin,
The contact pin has the hole for bypassing air through and the outlet for discharging the air,
The needle housing has lid and keeping body, and the keeping body, which is accommodated in the lid and contains, is soaked with lubricant,
The keeping body is located at position as described below, that is, when the needle housing is installed in the pump, the contact pin penetrates institute
It states keeping body and the outlet is from the position that the keeping body is exposed.
2. inflator according to claim 1, which is characterized in that
The keeping body is foaming body.
3. inflator according to claim 1 or 2, which is characterized in that
It is described to cover the scale having in its inner face for the keeping body to be prevented to advance.
4. inflator according to claim 1 or 2, which is characterized in that
It is described to cover the protrusion having in its inner face for the keeping body to be prevented to advance.
5. inflator according to claim 1 or 2, which is characterized in that
The keeping body is engaged in the lid.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2016-254581 | 2016-12-28 | ||
| JP2016254581A JP6834477B2 (en) | 2016-12-28 | 2016-12-28 | Inflator for hollow balls |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108245849A true CN108245849A (en) | 2018-07-06 |
| CN108245849B CN108245849B (en) | 2020-07-10 |
Family
ID=62721247
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710877877.2A Active CN108245849B (en) | 2016-12-28 | 2017-09-25 | Inflator for hollow ball |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JP6834477B2 (en) |
| KR (1) | KR102396896B1 (en) |
| CN (1) | CN108245849B (en) |
| TW (1) | TWI724245B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2026933A (en) * | 1935-04-12 | 1936-01-07 | Seamless Rubber Company Inc | Self-lubricating inflating needle |
| US2969082A (en) * | 1959-04-16 | 1961-01-24 | Dill Mfg Co | Lubricating holder for a side wall tire valve inflating needle |
| CN1509783A (en) * | 2002-12-24 | 2004-07-07 | 昭和橡胶株式会社 | Squash racket and gas-filled bump |
| JP4433489B2 (en) * | 2007-08-10 | 2010-03-17 | 昭和ホールディングス株式会社 | Pneumatic pump for soft tennis ball |
| JP4500622B2 (en) * | 2004-08-19 | 2010-07-14 | 昭和ホールディングス株式会社 | Soft tennis ball and soft tennis ball manufacturing method |
| WO2012009534A2 (en) * | 2010-07-15 | 2012-01-19 | Revelc, Llc | Threaded valved inflation needle for facilitating inflation of pneumatic objects |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4064970B2 (en) * | 2005-02-17 | 2008-03-19 | ナガセケンコー株式会社 | Air injection pump for hollow balls |
| TWM351093U (en) * | 2008-10-03 | 2009-02-21 | zhen-xiang Zhang | Structure of stainless pump needle made of steel glued with plastic steel |
| JP2012090842A (en) * | 2010-10-28 | 2012-05-17 | Shin Etsu Polymer Co Ltd | Needle piercing valve and hollow ball |
| TWM520922U (en) * | 2015-08-07 | 2016-05-01 | zhen-xiang Zhang | Structure of pump needle |
-
2016
- 2016-12-28 JP JP2016254581A patent/JP6834477B2/en active Active
-
2017
- 2017-09-14 KR KR1020170117650A patent/KR102396896B1/en active IP Right Grant
- 2017-09-25 CN CN201710877877.2A patent/CN108245849B/en active Active
- 2017-10-02 TW TW106134028A patent/TWI724245B/en active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2026933A (en) * | 1935-04-12 | 1936-01-07 | Seamless Rubber Company Inc | Self-lubricating inflating needle |
| US2969082A (en) * | 1959-04-16 | 1961-01-24 | Dill Mfg Co | Lubricating holder for a side wall tire valve inflating needle |
| CN1509783A (en) * | 2002-12-24 | 2004-07-07 | 昭和橡胶株式会社 | Squash racket and gas-filled bump |
| JP4500622B2 (en) * | 2004-08-19 | 2010-07-14 | 昭和ホールディングス株式会社 | Soft tennis ball and soft tennis ball manufacturing method |
| JP4433489B2 (en) * | 2007-08-10 | 2010-03-17 | 昭和ホールディングス株式会社 | Pneumatic pump for soft tennis ball |
| WO2012009534A2 (en) * | 2010-07-15 | 2012-01-19 | Revelc, Llc | Threaded valved inflation needle for facilitating inflation of pneumatic objects |
Also Published As
| Publication number | Publication date |
|---|---|
| JP6834477B2 (en) | 2021-02-24 |
| KR20180077002A (en) | 2018-07-06 |
| KR102396896B1 (en) | 2022-05-11 |
| TWI724245B (en) | 2021-04-11 |
| CN108245849B (en) | 2020-07-10 |
| JP2018102763A (en) | 2018-07-05 |
| TW201822846A (en) | 2018-07-01 |
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