CN2557718Y - Telescopic bidirectional air inlet inflator - Google Patents
Telescopic bidirectional air inlet inflator Download PDFInfo
- Publication number
- CN2557718Y CN2557718Y CN 02237053 CN02237053U CN2557718Y CN 2557718 Y CN2557718 Y CN 2557718Y CN 02237053 CN02237053 CN 02237053 CN 02237053 U CN02237053 U CN 02237053U CN 2557718 Y CN2557718 Y CN 2557718Y
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- CN
- China
- Prior art keywords
- outer tube
- block
- air
- vent
- way valve
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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.)
- Expired - Lifetime
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Abstract
Disclosed is a telescopic bi-directional pump, aiming at providing a tire inflation unit with simple structure and high efficiency. The utility model comprises an air vent unit, a central tube, a first outer pipe and a second outer pipe, wherein the two ends of the central tube are respectively provided with a first obturator pad which functions as a sealing piece and a first piston provided with a block which can slide inside a first inner pipe; the block is provided with a flute which accommodates a first sealing and a second sealing ring and is communicated with the central tube; two ends of the first outer tube are respectively provided with an outer shell which forms an air channel with the central tube, and a second piston with a second block which can slide inside a second outer pipe; the opening and closing of the air channel are controlled by a second obturator pad; a first shell which wraps the second piston and forms a first air hole with the outer wall of the first outer pipe is arranged at the end of the second outer pipe that the first outer pipe threads through. A third obturator pad which controls the opening and closing of the first air hole is arranged inside the first air hole.
Description
Technical field
The utility model belongs to Tire Inflation System, particularly a kind of telescopic two-way air intake inflator.
Background technique
General pump all is the inside that gas is poured into accommodating body, and now on society the most common arrive for a kind of by with the continuous push pull maneuver of handle, and because the piston body that is wholely set with handle also can move with handle, so during the piston body start, the pump gas inside then can be oppressed off and on and go out.Because this type of pump in the use and can't positively bring into play efficient,, many patents one improvement is proposed condition so being all this.
A kind of telescopic pump is disclosed for this reason, too big difference not between structure that it is basic and the pump of commonly using, only have the special inside that lies in outer tube have in addition with slide type be contained in outer tube inside middle pipe and in pipe.By the pull handle start, the piston that is arranged at handle one end then can be oppressed away by the gas that will be contained in each body in regular turn, thereby reach the purpose that increases intake stroke, this kind pump when not using also because of its volume can taper to minimum, so quite convenient when collection.
Disclose another kind of pump tie up to handle push away, when spurring work, it is oppressed and go out from central tube body all to have gas, so the user can more give full play to the efficient of pump in the use.
Though two kinds of above-mentioned pumps all respectively have its advantage, but still have shortcoming.Only have unidirectionally can and go out such as the former with gas compressing, when piston when doing reversing motion, then gas can't be sent.Though the latter all has gas oppressed and go out in central tube body when the bidirectional-movement of piston, but because it is in order to reach this purpose, therefore its inside is provided with many check valves and relevant element, causes on the volume greatly, and vacating space is put this type of pump especially when collection.
Summary of the invention
The purpose of this utility model provides a kind of simple in structure, telescopic two-way air intake inflator that charging efficiency is high.
The utility model comprises that the structure of giving vent to anger, the central tube body, the flip sleeve that are connected with the structure of giving vent to anger be located at first outer tube of central tube body outside and second outer tube that flip sleeve is located at first outside pipe; Central tube body be placed in give vent to anger structure and the first outer tube inner end be provided with first air packing that produces airtight effect respectively and have in first in, manage in the first piston of slippage block; Block inside be provided be installed with and the first outer tube wall face between produce the groove of first and second seal ring of sealing effect, and be provided with the first passage that is connected with central tube body in the bottom surface of groove; The place, end that first outer tube penetrates for central tube body be provided with and central tube body between form the frame of air vent, and in air vent, be provided with second air packing of On/Off air vent; The first outer tube end that is placed in the second outer tube inside is provided with second piston body; Second piston body has in second block of the second outer tube slides within; The place, end that second outer tube penetrates for first outer tube be provided with and the first outer tube outer wall face between form first vent and coat first frame of second piston body, and be provided with the 3rd air packing of On/Off first vent in the first vent inside.
Wherein:
Second block of second piston body defines the putting chamber of ccontaining first and second one-way valve; Be provided with and the second channel that is connected between connecting tube between second outer tube and the central tube body in place, the bottom surface of putting chamber.
First one-way valve and second one-way valve have the extending body that forms the gap respectively.
The end place system that connecting tube is arranged at the first outer tube inside is provided with first block, and in first block be provided with and the first outer tube wall face between produce the one-way valve of sealing effect.
The bottom end place of second outer tube is provided with a plurality of pores, and is provided with the 4th one-way valve of On/Off pore corresponding to the pore place in the second outer tube bottom end inboard.
The bottom end place of second outer tube is provided with a plurality of pores, and is provided with the 4th one-way valve of On/Off pore corresponding to the pore place in the second outer tube bottom end inboard; Second block that is integrally formed in the first outer tube end be provided with and On/Off corresponding with one-way valve on first block of connecting tube end intercommunicating pore.
Because the utility model comprises the structure of giving vent to anger, the central tube body, the flip sleeve that are connected with the structure of giving vent to anger and is located at first outer tube of central tube body outside and second outer tube that flip sleeve is located at first outside pipe; The central tube body two ends be respectively equipped with first air packing that produces airtight effect and have in first in, manage in the first piston of slippage block; Block is provided with the groove that is installed with the first passage that first and second seal ring and formation is connected with central tube body; The first outer tube two end part be provided with respectively and central tube body between form by the frame of the second air packing On/Off air vent and have second piston body of second block that in second outer tube, slides; The place, end that second outer tube penetrates for first outer tube be provided with and the first outer tube outer wall face between form first vent and coat first frame of second piston body, and be provided with the 3rd air packing of On/Off first vent in the first vent inside.The utility model is when collapse state, and when leaving second air packing because of the first piston body, air vent has been opened by second air packing system, and can make air be flowed into space between the central tube body and first outer tube.During action, system by collapse state be about to earlier the first piston body outward housing move, compression is present in the air between the central tube body and first outer tube, make second air packing close air vent in the compressing of the air between the central tube body and first outer tube ShiShimonoseki, this moment, compressed air was crossed first seal ring, and form between internal face and seal because of second sealing ring system and first outer tube, so air can enter into first passage inside, and and then enter into the inside of central tube body; Because central tube body is connected with air-out mechanism, so it is then oppressed and go out by air-out mechanism to enter into the central tube body gas inside.Simultaneously, when the housing start outward of first piston body, the one-way valve opens that the pull of vacuum that forms because of the start of first piston body causes the position to establish in place, the first outer tube bottom surface; When the first piston body touched the frame inner face, the stroke of first piston body promptly came to an end and ends; At this moment, if second block that promotes second piston body is when first frame moves, compression is present in the air between the first outer tube outer wall face and the second outer tube wall face, meanwhile, make the 4th one-way valve open pore, make ambient air flow into the inside of second outer tube; When second block constantly when first frame moves, first one-way valve system is opening state, and second one-way valve is closed condition, and make the 3rd air packing under the compressed air pressure effect, close first vent, the air that is present between first outer tube and second outer tube is discharged outside pump by air-out mechanism by first one-way valve, one side; When second block of second piston when pore moves, first one-way valve system is closed condition, second one-way valve then in opened condition; At this moment, the 4th one-way valve is subjected to the effect that air pushes and pore is produced closing function, the air in second outer tube promptly can by second one-way valve by air-out mechanism discharge pump outside; The effect that the 3rd air packing is subjected to pull of vacuum produces the unlatching effect to first vent, and ambient air promptly can be in first vent enters space between first outer tube and second outer tube; After second piston body is finished start, during operational pump tube that the user continues, the first piston body moves towards the direction away from frame, at this moment, second air packing then can be opened air vent because of the pull of vacuum away from being produced of block, at this moment, ambient air then can enter between the central tube body and first outer tube; And when block is shifted to second block, be present in the air of the first outer tube inside because oppressed, and can produce contention effect to the one-way valve that is arranged at first outer tube bottom, and close being communicated with between first outer tube and second outer tube, at this moment, compressed air is crossed second seal ring, enter into central tube body inside through first passage, and discharge outside pump by air-out mechanism, when promptly the utility model uses, no matter be under the action that pushes away or draw, all can produce pneumatic work, and it also can integral body fold together when not start, so that reduce its shared space; Not only simple in structure, and the charging efficiency height, thereby reach the purpose of this utility model.
Description of drawings
Fig. 1, be the utility model structural representation sectional view (fully deployed condition).
Fig. 2, be the utility model structural representation sectional view (collapse state).
Fig. 3, be A portion partial enlarged drawing among Fig. 1.
Fig. 4, be B portion partial enlarged drawing among Fig. 1.
Fig. 5, be the utility model action schematic sectional view (the first piston body goes out operating state to overhanging in first outer tube).
Fig. 6, be the utility model action schematic sectional view (second piston body goes out operating state to overhanging in second outer tube).
Fig. 7, be the utility model action schematic sectional view (first piston body in first outer tube inwardly retraction operating state).
Fig. 8, be the utility model action schematic sectional view (second piston body in second outer tube inwardly retraction operating state).
Embodiment
As Fig. 1, Fig. 2, shown in Figure 3, the utility model comprise central tube body 20, flip sleeve that the structure 10 of giving vent to anger is connected with the structure 10 of giving vent to anger be located at first outer tube 30 of central tube body 20 outsides and retractable, be sheathed on first outer tube, 30 outsides and retractable second outer tube 40, be connected with between second outer tube 40 and the central tube body 20 and be communicated with the connecting tube 31 of second outer tube 40 and central tube body 20.
First end of central tube body 20 is connected with air- out mechanism 10, and 10 first air packings 21 that produce airtight effect of structure that are provided with and give vent to anger.The second end place of central tube body 20 sets firmly first piston body 5.
Place, the end system that first outer tube 30 penetrates for central tube body 20 be provided with and central tube body 20 between form the frame 32 of air vent 33, within air vent 33, be provided with second air packing 34 of On/Off air vent 33.
Connecting tube 31 1 ends pass block 51 and arrive at the inside of central tube body 20, to be connected with central tube body 20; The other end place system that connecting tube 31 is arranged at first outer tube, 30 inside is provided with first block 311, and in first block 311 be provided with and first outer tube, 30 internal faces between produce the one-way valve 312 of sealing effect.
Place, the end system that first outer tube 30 is placed in second outer tube, 40 inside is provided with second piston body 6.
Place, the end system that second outer tube 40 penetrates for first outer tube 30 be provided with and first outer tube, 30 outer wall between form first vent 42 and coat first frame 41 of second piston 6, and be provided with the 3rd air packing 43 of On/Off first vent 42 in first vent, 42 inside.Be provided with a plurality of pores 66 in the bottom end place of second outer tube 40, and be provided with the 4th one-way valve 67 of On/Off pore 66 in second outer tube, 40 bottom end inboards corresponding to pore 66 places.
As shown in Figure 2, the utility model is when collapse state, and when leaving second air packing 34 because of first piston body 5, second air packing 34 is to have opened air vent 33, and can make air be flowed into space between the central tube body 20 and first outer tube 30; Because of intercommunicating pore 68 is to be connected with the pore 66 that is arranged at second outer tube, 40 bottom surfaces, so the ambient air that enters through pore 66 is promptly entered the inside of first outer tube 30 by intercommunicating pore 68, for next stroke is prepared.During action, as shown in Figure 5, system by collapse state as shown in Figure 2 be about to earlier first piston body 5 outward housing 32 move, compression is present in the air between the central tube body 20 and first outer tube 30, make second air packing 34 close air vent 33 in the air compressing ShiShimonoseki that is present between the central tube body 20 and first outer tube 30, this moment, compressed air was crossed first seal ring 53, and because of second seal ring 54 be and the internal face of first outer tube 30 between form sealing, so air can enter into first passage 55 inside, and and then enter into the inside of central tube body 20; Because central tube body 20 is connected with air-out mechanism 10, so it is then oppressed and go out by air-out mechanism 10 to enter into central tube body 20 gas inside.Simultaneously, when first piston body 5 housing 32 starts outward, the one-way valve 312 that the pull of vacuum that forms because of the start of first piston body 5 causes the position to establish in place, first outer tube, 30 bottom surface is opened, and opens the intercommunicating pore 68 that is arranged on second block 61.
As shown in Figure 6, when first piston body 5 touched frame 32 inner faces, the stroke of first piston body 5 promptly came to an end and ends; At this moment, if second block 61 that promotes second piston body 6 is when first frame 41 moves, compression is present in the air between first outer tube, 30 outer wall and second outer tube, 40 internal faces, meanwhile, make the 4th one-way valve 67 open pore 66, make ambient air flow into the inside of second outer tube 40.
When second block 61 constantly when first frame 41 moves, first one-way valve 63 is to be opening state, and second one-way valve 64 is closed condition, and make the 3rd air packing 43 under the compressed air pressure effect, close first vent 42, make the air that is present between first outer tube 30 and second outer tube 40 in second channel 65, enter the inside of connecting tube 31, and discharge outside pump by air-out mechanism 10 by first one-way valve, 63 1 sides.
As shown in Figure 7, when second block 61 of second piston 6 when pore 66 moves, first one-way valve 63 is to be closed condition, second one-way valve 64 then in opened condition; At this moment, the 4th one-way valve 67 is subjected to the effect that air pushes and pore 66 is produced closing functions, air in second outer tube 40 promptly can pass through second one-way valve 64 and second channel 65, and enters the inside of connecting tube 31, and by outside the air-out mechanism 10 discharge pumps; The effect that the 3rd air packing 43 is subjected to pull of vacuum produces the unlatching effects to first vent 42, and ambient air promptly can be in first vent 41 enters space between first outer tube 30 and second outer tube 40.
As shown in Figure 8, after second piston body 6 is finished start, during operational pump tube that the user continues, first piston body 5 moves towards the direction away from frame 32, at this moment, 34 of second air packings can be opened air vent 33 because of the pull of vacuum away from being produced of block 51, and at this moment, ambient air then can enter between the central tube body 20 and first outer tube 30; And when block 51 is shifted to second block 61, be present in the air of first outer tube, 30 inside because oppressed, and can produce contention effect to the one-way valve 312 that is arranged at first outer tube, 30 bottoms, be arranged at second block, 61 inside and use the intercommunicating pore 68 that is communicated with between first outer tube 30 and second outer tube 40 and close, at this moment, compressed air is crossed second seal ring 54, enters into central tube body 20 inside through first passage 55, and is discharged outside pump by air-out mechanism 10.
As mentioned above, when the utility model uses, no matter be under the action that pushes away, draws, all can produce pneumatic work, and it also can integral body fold together when not start, so that reduce its shared space.
Claims (6)
1, a kind of telescopic two-way air intake inflator, it comprises that the structure of giving vent to anger, the central tube body, the flip sleeve that are connected with the structure of giving vent to anger be located at first outer tube of central tube body outside and second outer tube that flip sleeve is located at first outside pipe; Central tube body be placed in give vent to anger structure and the first outer tube inner end be provided with first air packing that produces airtight effect respectively and have in first in, manage in the first piston of slippage block; Block inside be provided be installed with and the first outer tube wall face between produce the groove of first and second seal ring of sealing effect, and be provided with the first passage that is connected with central tube body in the bottom surface of groove; The place, end that first outer tube penetrates for central tube body be provided with and central tube body between form the frame of air vent, and in air vent, be provided with second air packing of On/Off air vent; It is characterized in that the described first outer tube end that is placed in the second outer tube inside is provided with second piston body; Second piston body has in second block of the second outer tube slides within; The place, end that second outer tube penetrates for first outer tube be provided with and the first outer tube outer wall face between form first vent and coat first frame of second piston body, and be provided with the 3rd air packing of On/Off first vent in the first vent inside.
2, telescopic two-way air intake inflator according to claim 1 is characterized in that second block of described second piston body defines the putting chamber of ccontaining first and second one-way valve; Be provided with and the second channel that is connected between connecting tube between second outer tube and the central tube body in place, the bottom surface of putting chamber.
3, telescopic two-way air intake inflator according to claim 2 is characterized in that described first one-way valve and second one-way valve have the extending body that forms the gap respectively.
4, according to claim 2 or 3 described telescopic two-way air intake inflators, it is characterized in that the end place system that described connecting tube is arranged at the first outer tube inside is provided with first block, and in first block be provided with and the first outer tube wall face between produce the one-way valve of sealing effect.
5, telescopic two-way air intake inflator according to claim 1 is characterized in that the bottom end place of described second outer tube is provided with a plurality of pores, and is provided with the 4th one-way valve of On/Off pore corresponding to the pore place in the second outer tube bottom end inboard.
6, telescopic two-way air intake inflator according to claim 4 is characterized in that the bottom end place of described second outer tube is provided with a plurality of pores, and is provided with the 4th one-way valve of On/Off pore corresponding to the pore place in the second outer tube bottom end inboard; Second block that is integrally formed in the first outer tube end be provided with and On/Off corresponding with one-way valve on first block of connecting tube end intercommunicating pore.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02237053 CN2557718Y (en) | 2002-06-10 | 2002-06-10 | Telescopic bidirectional air inlet inflator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02237053 CN2557718Y (en) | 2002-06-10 | 2002-06-10 | Telescopic bidirectional air inlet inflator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2557718Y true CN2557718Y (en) | 2003-06-25 |
Family
ID=33711136
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02237053 Expired - Lifetime CN2557718Y (en) | 2002-06-10 | 2002-06-10 | Telescopic bidirectional air inlet inflator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2557718Y (en) |
-
2002
- 2002-06-10 CN CN 02237053 patent/CN2557718Y/en not_active Expired - Lifetime
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20120610 Granted publication date: 20030625 |