CN103216412B - The inside and outside telescopic pump of twin-tub - Google Patents
The inside and outside telescopic pump of twin-tub Download PDFInfo
- Publication number
- CN103216412B CN103216412B CN201210018886.3A CN201210018886A CN103216412B CN 103216412 B CN103216412 B CN 103216412B CN 201210018886 A CN201210018886 A CN 201210018886A CN 103216412 B CN103216412 B CN 103216412B
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- CN
- China
- Prior art keywords
- central siphon
- rotating component
- outer shell
- inner casing
- fixed block
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- 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.)
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Abstract
The present invention relates to a kind of inside and outside telescopic pump of twin-tub, include: an outer shell; One air nozzle connector; One inner casing; One piston; One piston rod and a handle; Wherein this outer shell is provided with a fixed block, it is convexly equipped with a central siphon, and this central siphon is provided with two perforation; One rotating component, is set on this central siphon, and it is to two punch positions of central siphon should respectively be provided with a containing groove, one end of this containing groove from shallow toward the other end gradually deeply in arc crank slot; A ball is respectively equipped with in this containing groove; This rotating component can this containing groove deep end the solution that should bore a hole pulled position and this containing groove shallow end to the clip position that should bore a hole between left-right rotation; One pulling part, is fixed on this inner casing, is provided with a projection, and this projection is provided with an annular groove.When this inner casing is reduced to this outer shell the inner, the projection of this pulling part be able to insert the axis hole of the central siphon of this fixed block; When this rotating component by solution pull position be ported to clip position time, this inner casing and this outer shell fix integral; When this rotating component by clip position be ported to solution pull position time, this inner casing and this outer shell are removed and are fixed.
Description
Technical field
The present invention is relevant with pump, refers to a kind of inside and outside telescopic pump of twin-tub especially.
Background technique
As No. 083205220th, TaiWan, China " can select fast aeration or high-pressure aerated pump " shown in Patent Case, this is a kind of inside and outside telescopic pump of twin-tub, has the effect of fast aeration when twin-tub acts on simultaneously inside and outside it.Its inner casing can lock integral with outer shell, and outer shell is failure to actuate, only remaining inner casing inflation, can be more laborsaving, and reaches high-pressure aerated effect.
As shown in TaiWan, China No. 088222665 " can change the pump making flowing mode " Patent Case, be also a kind of inside and outside two-cylinder type pump, its inner casing can be selected and handle or sealed with outer shell, reaches fast aeration or high-pressure aerated effect.
Summary of the invention
Main purpose of the present invention is to provide a kind of inside and outside telescopic pump of twin-tub, and it has the locking structure of the interior outer shell of innovation.
For achieving the above object, the telescopic pump of twin-tub inside and outside one provided by the present invention, is characterized in that including: an outer shell; One air nozzle connector, is located at one end of described outer shell; One inner casing, inserts in described outer shell from the other end of described outer shell, can do flexible relative movement with described outer shell; One piston, is located in described inner casing; One piston rod, one end is fixed on described piston, and the other end stretches out outside described inner casing; One handle, is located at the exposed junction of described piston rod; Wherein: described outer shell is provided with a fixed block near the inner of described air nozzle connector, described fixed block, towards described inner casing direction projection one central siphon, described central siphon is radially provided with at least one perforation; One rotating component, is set on described central siphon, can within the scope of a set angle left-right rotation, arbitrary punch position of its corresponding described central siphon is all provided with a containing groove, one end of described containing groove from shallow gradually dark toward the other end, in arc crank slot; A ball is respectively equipped with in described containing groove; Described rotating component be the solution of the corresponding described perforation of described containing groove deep end pull position and the corresponding described perforation of described containing groove shallow end clip position between left-right rotation; When being positioned at clip position, described ball protrudes in the axis hole of described central siphon by urging the part through described perforation; When be positioned at solution pull position time, described ball can exit the axis hole of described central siphon and be contained in the deep end of described containing groove; One pulling part, is fixed on the inner of described inner casing, and its direction towards described fixed block is convexly equipped with a projection, and described projection is provided with an annular groove; When described inner casing is reduced to the inner terminal of outer shell, the projection of described pulling part be able to insert the axis hole of the central siphon of described fixed block; When described inner casing is rotated, described pulling part can drive described rotating component to rotate, when described rotating component by solution pull position go to clip position time, the annular groove that described ball is forced to protrude described axis hole and blocks described projection, makes described inner casing and described outer shell fix integral; When described rotating component by clip position go to solution pull position time, described ball can exit described axis hole, described inner casing and described outer shell is removed and fixes.
In the technological scheme of the invention described above, the projection of described pulling part is provided with pass through aperture along axle center, described penetration hole is communicated with described inner casing and described outer shell two cylinder bodies, and the corresponding described penetration hole position male of described piston is provided with a nose bar, and described nose bar be able to embed described penetration hole.
Described pulling part is radially provided with two engagement portions in the bottom of its projection, and described rotating component is provided with four engagement portions at its end face, can turn for the engagement portion engaging of described pulling part.
An annular guide channel is provided with bottom the central siphon of described fixed block, described rotating component has a tubulose body portion, one end, described body portion radially extends to form a shoulder outward, the other end in described body portion radially protrudes out formation one embedding part toward in, described body portion is provided with the gap slot of predetermined number from embedding part end toward shoulder extreme direction, described rotating component is set in the central siphon of described fixed block with its body portion, and with the guide groove of its embedding part inlay card at described fixed block, described rotating component can be rotated around the central siphon of described fixed block.
Described fixed block has an end, and central siphon described in central projection from described end, described end is provided with an arc guide barrel towards the end face of described central siphon, described rotating component is provided with a protuberance towards the endface position of described end, described protuberance be able to be contained in described arc guide barrel, when described rotating component left-right rotation, described protuberance, by two end slot wall blocks of described arc guide barrel, forms described clip position and described solution and to pull position.
Adopt technique scheme, make the present invention have structure innovation, operate simple and easy, and effect of firm practicality.
Accompanying drawing explanation
Fig. 1 is the assembled sectional view of the embodiment of the present invention, display clip position (LOCK);
Fig. 2 is the assembled sectional view of the embodiment of the present invention, and Explicit solutions is pulled position (UNLOCK);
Fig. 3 to Fig. 7 is each view of the fixed block of the embodiment of the present invention, wherein
Fig. 3 is the stereogram of fixed block;
Fig. 4 is the plan view of fixed block;
Fig. 5 is the side view of fixed block;
Fig. 6 is the plan view of fixed block;
Fig. 7 is the sectional view along A-A hatching line in Fig. 4;
Fig. 8 is the stereogram of rotating component;
Fig. 9 is the plan view of rotating component;
Figure 10 is the plan view of rotating component;
Figure 11 is the side view of rotating component;
Figure 12 is the worm's eye view of rotating component;
Figure 13 is the sectional view along B-B hatching line in Figure 10;
Figure 14 is the stereogram of pulling part;
Figure 15 is the plan view of pulling part;
Figure 16 is the side view of pulling part;
Figure 17 is the plan view of pulling part;
Figure 18 is the three-dimensional assembled sectional view of fixed block, rotating component, pulling part and ball, display clip position (LOCK);
Figure 19 is that the solid of fixed block, rotating component and ball combines plan view, display clip position (LOCK);
Figure 20 is the three-dimensional assembled sectional view of fixed block, rotating component, pulling part and ball, and Explicit solutions is pulled position (UNLOCK);
Figure 21 is that the solid of fixed block, rotating component and ball combines plan view, and Explicit solutions is pulled position (UNLOCK).
Embodiment
Now also by reference to the accompanying drawings structure of the present invention and effect are described in detail for an embodiment.
As shown in Figure 1 and Figure 2, be the embodiment of the inside and outside telescopic pump of twin-tub provided by the present invention, it includes: an outer shell 10; One air nozzle connector 20, is located at one end of outer shell 10, for being connected the valve cock of object to be inflatable.One inner casing 30, inserts in outer shell 10 from the other end of outer shell 10, can do flexible relative movement with outer shell 10.One piston 40, is located in inner casing 30.One piston rod 50, one end is fixed on piston 40, and the other end stretches out outside inner casing 30.One handle 60, is located at the exposed junction of piston rod 50.Wherein:
Outer shell 10 is provided with a fixed block 70 (as shown in Fig. 3 to Fig. 7) near the inner of air nozzle connector 20, fixed block 70, towards inner casing 10 direction projection one central siphon 71, central siphon 71 is radially provided with two perforation 72.One rotating component 80 (as shown in Fig. 8 to Figure 13), be set on the central siphon 71 of fixed block 70, can within the scope of a set angle left-right rotation, its corresponding central siphon 71 two perforation 72 positions be respectively provided with a containing groove 81, one end of containing groove 81 from shallow gradually dark toward the other end, in arc crank slot.A ball 100 is respectively equipped with in containing groove 81.Rotating component 80 containing groove 81 deep end correspondence perforation 72 solution pull position (UNLOCK) (as shown in Fig. 2, Figure 20 and Figure 21) and containing groove 81 shallow end correspondence perforation 72 clip position (LOCK) (as shown in Fig. 1, Figure 18 and Figure 19) between left-right rotation; When being positioned at clip position (LOCK), ball 100 is urged through perforation 72, and part protrudes in the axis hole 73 of central siphon 71; When be positioned at solution pull position (UNLOCK) time, ball 100 can exit the axis hole 73 of central siphon 71 and be contained in the deep end of containing groove 81.One pulling part 90 (as shown in Figure 14 to Figure 17), is fixed on the inner of inner casing 30, and its direction towards fixed block 70 is convexly equipped with a projection 91, and projection 91 is provided with an annular groove 92.When inner casing 30 is reduced to the inner terminal of outer shell 10, the projection 91 of pulling part 90 just can insert the axis hole 73 of the central siphon 71 of fixed block 70; When inner casing 30 is by rotation, pulling part 90 can drive rotating component 80 to rotate, when rotating component 80 by solution pull position (UNLOCK) go to clip position (LOCK) time, the annular groove 92 that ball 100 is forced to protrude axis hole 73 and blocks projection 91, makes inner casing 10 and outer shell 30 fix integral (as shown in Figure 1); When rotating component 80 by clip position (LOCK) go to solution pull position (UNLOCK) time, ball 100 can exit axis hole 73, inner casing 10 and outer shell 30 is removed and fixes (as shown in Figure 2).
The projection 91 of pulling part 90 is provided with pass through aperture 93 along axle center, and penetration hole 93 is communicated with inner casing 30 and outer shell 10 two cylinder bodies, and piston 40 corresponding penetration hole 93 position male is provided with a nose bar 41, and nose bar 41 just can embed penetration hole 93.Piston 40 so can be made fully to inflate, the space of waste can not be there is.
Pulling part 90 is radially provided with two engagement portions 94 in the bottom of projection 91, and rotating component 80 is provided with four engagement portions 82 at its end face, can turn for engagement portion 94 engaging of pulling part 90.The selection just implemented in this two or four engagement portion, can have other selection mode certainly.If engagement portion 94,82 turns rotating component 80 to allow pulling part 90 be convenient to.
An annular guide channel 74 is provided with bottom the central siphon 71 of fixed block 70, rotating component 80 has a tubulose body portion 83, one end, body portion 83 radially extends to form a shoulder 84 outward, the other end in body portion 83 radially protrudes out formation one embedding part 85 toward in, body portion 83 is provided with the gap slot 86 (the present embodiment is four) of predetermined number from embedding part 85 end toward shoulder 84 extreme direction, rotating component 80 is set on the central siphon 71 of fixed block 70 with its body portion 83, and with the guide groove 74 of its embedding part 85 inlay card at fixed block 70, rotating component 80 can be rotated around the central siphon 71 of fixed block 70.82, aforementioned engagement portion is located on shoulder 84.
Fixed block 70 has an end 75, and the central projection central siphon 71 from end 75, end 75 is provided with an arc guide barrel 76 towards the end face of central siphon 71, rotating component 80 is provided with a protuberance 87 towards the endface position of end 75, protuberance 87 just can be contained in arc guide barrel 76, when rotating component 80 left-right rotation, protuberance 87, by two end slot wall blocks of arc guide barrel 76, forms aforesaid clip position (LOCK) and solution and to pull position (UNLOCK).
The present invention utilizes pulling part 90 to rotate rotating component 80, orders about two balls 100 and enters clip position and block pulling part 90, or rotates backward and allow two balls 100 to exit clip position and form solution and to pull state.Structure innovation of the present invention, operates simple and easy, and firm practicality.
Claims (5)
1. the telescopic pump of twin-tub inside and outside, is characterized in that including: an outer shell; One air nozzle connector, is located at one end of described outer shell; One inner casing, inserts in described outer shell from the other end of described outer shell, can do flexible relative movement with described outer shell; One piston, is located in described inner casing; One piston rod, one end is fixed on described piston, and the other end stretches out outside described inner casing; One handle, is located at the exposed junction of described piston rod; Wherein:
Described outer shell is provided with a fixed block near the inner of described air nozzle connector, and described fixed block, towards described inner casing direction projection one central siphon, described central siphon is radially provided with at least one perforation; One rotating component, is set on described central siphon, can within the scope of a set angle left-right rotation, arbitrary punch position of its corresponding described central siphon is all provided with a containing groove, one end of described containing groove from shallow gradually dark toward the other end, in arc crank slot; A ball is respectively equipped with in described containing groove; Described rotating component be the solution of the corresponding described perforation of described containing groove deep end pull position and the corresponding described perforation of described containing groove shallow end clip position between left-right rotation; When being positioned at clip position, described ball protrudes in the axis hole of described central siphon by urging the part through described perforation; When be positioned at solution pull position time, described ball can exit the axis hole of described central siphon and be contained in the deep end of described containing groove; One pulling part, is fixed on the inner of described inner casing, and its direction towards described fixed block is convexly equipped with a projection, and described projection is provided with an annular groove; When described inner casing is reduced to the inner terminal of outer shell, the projection of described pulling part be able to insert the axis hole of the central siphon of described fixed block; When described inner casing is rotated, described pulling part can drive described rotating component to rotate, when described rotating component by solution pull position go to clip position time, the annular groove that described ball is forced to protrude described axis hole and blocks described projection, makes described inner casing and described outer shell fix integral; When described rotating component by clip position go to solution pull position time, described ball can exit described axis hole, described inner casing and described outer shell is removed and fixes.
2. the inside and outside telescopic pump of twin-tub as claimed in claim 1, it is characterized in that: the projection of described pulling part is provided with pass through aperture along axle center, described penetration hole is communicated with described inner casing and described outer shell two cylinder bodies, the corresponding described penetration hole position male of described piston is provided with a nose bar, and described nose bar be able to embed described penetration hole.
3. the inside and outside telescopic pump of twin-tub as claimed in claim 1, it is characterized in that: described pulling part is radially provided with two engagement portions in the bottom of its projection, described rotating component is provided with four engagement portions at its end face, can turn for the engagement portion engaging of described pulling part.
4. the inside and outside telescopic pump of twin-tub as claimed in claim 1, it is characterized in that: bottom the central siphon of described fixed block, be provided with an annular guide channel, described rotating component has a tubulose body portion, one end, described body portion radially extends to form a shoulder outward, the other end in described body portion radially protrudes out formation one embedding part toward in, described body portion is provided with the gap slot of predetermined number from embedding part end toward shoulder extreme direction, described rotating component is set in the central siphon of described fixed block with its body portion, and with the guide groove of its embedding part inlay card at described fixed block, described rotating component can be rotated around the central siphon of described fixed block.
5. the inside and outside telescopic pump of twin-tub as claimed in claim 1, it is characterized in that: described fixed block has an end, and central siphon described in central projection from described end, described end is provided with an arc guide barrel towards the end face of described central siphon, described rotating component is provided with a protuberance towards the endface position of described end, described protuberance be able to be contained in described arc guide barrel, when described rotating component left-right rotation, described protuberance, by two end slot wall blocks of described arc guide barrel, forms described clip position and described solution and to pull position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210018886.3A CN103216412B (en) | 2012-01-20 | 2012-01-20 | The inside and outside telescopic pump of twin-tub |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210018886.3A CN103216412B (en) | 2012-01-20 | 2012-01-20 | The inside and outside telescopic pump of twin-tub |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103216412A CN103216412A (en) | 2013-07-24 |
| CN103216412B true CN103216412B (en) | 2015-08-19 |
Family
ID=48814492
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210018886.3A Expired - Fee Related CN103216412B (en) | 2012-01-20 | 2012-01-20 | The inside and outside telescopic pump of twin-tub |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103216412B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5165876A (en) * | 1991-11-26 | 1992-11-24 | Ropin Wang | Tire pump |
| US6257849B1 (en) * | 2000-04-12 | 2001-07-10 | Scott Wu | Manual air pump having selectable high pressure and high pressure modes |
| DE102009034198A1 (en) * | 2009-07-22 | 2011-02-03 | Sks Metaplast Scheffer-Klute Gmbh | Pump for bicycle tire, has locking unit cooperating with operating unit and/or inner cylinder and/or outer cylinder, such that pistons are moved relative to inner and outer cylinders, respectively during movement of handle |
| TW201243155A (en) * | 2011-04-20 | 2012-11-01 | Ying-Che Huang | Positioning structure of compact air pump |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8025491B2 (en) * | 2007-10-19 | 2011-09-27 | Lopin Wang | Air pump having selectable low pressure and high pressure mode |
-
2012
- 2012-01-20 CN CN201210018886.3A patent/CN103216412B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5165876A (en) * | 1991-11-26 | 1992-11-24 | Ropin Wang | Tire pump |
| US6257849B1 (en) * | 2000-04-12 | 2001-07-10 | Scott Wu | Manual air pump having selectable high pressure and high pressure modes |
| DE102009034198A1 (en) * | 2009-07-22 | 2011-02-03 | Sks Metaplast Scheffer-Klute Gmbh | Pump for bicycle tire, has locking unit cooperating with operating unit and/or inner cylinder and/or outer cylinder, such that pistons are moved relative to inner and outer cylinders, respectively during movement of handle |
| TW201243155A (en) * | 2011-04-20 | 2012-11-01 | Ying-Che Huang | Positioning structure of compact air pump |
Non-Patent Citations (1)
| Title |
|---|
| 便携式高压打气筒的研制;高英武 等;《农机化研究》;20021120(第04期);第132页 * |
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| Publication number | Publication date |
|---|---|
| CN103216412A (en) | 2013-07-24 |
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| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
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| C14 | Grant of patent or utility model | ||
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Granted publication date: 20150819 Termination date: 20220120 |