CN201037454Y - Portable inflator - Google Patents
Portable inflator Download PDFInfo
- Publication number
- CN201037454Y CN201037454Y CNU2007201406037U CN200720140603U CN201037454Y CN 201037454 Y CN201037454 Y CN 201037454Y CN U2007201406037 U CNU2007201406037 U CN U2007201406037U CN 200720140603 U CN200720140603 U CN 200720140603U CN 201037454 Y CN201037454 Y CN 201037454Y
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- CN
- China
- Prior art keywords
- gas transmission
- transmission bar
- check valve
- cylindrical shell
- piston body
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
A portable inflator comprises a cylinder body, a gas transmission rod, a piston device, a head and an air tap joint; the first end of the cylinder body is provided with a gas inlet and the second end is closed; the gas transmission rod is provided with a gas transmission channel axially penetrating the first end and the second end; the piston device comprises a piston body and a check valve, wherein, the piston body is arranged at the second end of the gas transmission rod, and the check valve is arranged between the second end of the gas transmission rod and the piston body which are penetrated in the cylinder body, and the piston body is provided with a central hole and a through hole; the head is arranged at the first end of the gas transmission rod, and the air tap joint is arranged at the head. The volume of the portable inflator can be reduced to the minimum extent for convenient carrying and collection.
Description
Technical field
The utility model relates to a kind of being used for tire etc. is inflated the pump that thing is squeezed into gas, the little and pump that is convenient for carrying of particularly a kind of volume.
Background technique
General pump includes pump substantially, is located at the head of pump, and an end is connected in the valve joint of this head.After this valve joint is arranged in the valve that is inflated thing, produce pressurized gas, and then gas is charged into through head and pneumatic tube be inflated in the thing by the operation pump.
Based on the consideration that is convenient for carrying the aspect, some pump can be designed to the pattern of small volume; Pump of the prior art as shown in Figure 6, it comprises that a cylindrical shell A, handle B, a head C, are located at the chuck valve D and the crank E of head; When inflating, chuck valve D is enclosed within the charging air inlet 6 that is inflated thing, pull crank E then and force its built-in clipping device to compress and clamp charging air inlet, the user holds handle B and does axial motion with respect to cylindrical shell A, just gas can be squeezed into charging air inlet 6 via head C and chuck valve D.
The shortcoming of aforementioned pump of the prior art is: inflate in the process, can lose heart during the charge and discharge operations crank on the tyre inflation mouth; And the problem that the gas pressure in the cylindrical shell can exist pump to come off when too high; In addition, when inflating, need one to hold cylindrical shell, one holds handle, so entire length can't dwindle, and its volume is still excessive, carries inconvenience.
The model utility content
Main purpose of the present utility model is to solve light inflator of the prior art, and its volume is still excessive, it is convenient inadequately to carry, and takes place easily to lose heart the problem that comes off easily when cylinder internal pressure is excessive during the charge and discharge operations crank in the process of inflating.
Light inflator provided by the utility model includes a cylindrical shell, a gas transmission bar, a piston apparatus, a head and a valve joint; This cylindrical shell has the first relative end and second end, and a loam cake and a lower cover are set respectively, and described lower cover is the sealing of second end of described cylindrical shell, is covered with inlet hole on described; Described gas transmission bar has the gas distribution channel of its first end of axial perforation and second end; This piston apparatus includes a piston body and a check valve, this piston body is located at second end of described gas transmission bar, this check valve is located between this gas transmission bar second end and this piston body, and this piston body and gas transmission bar second end are arranged in this cylindrical shell, described piston body is provided with a center hole and a through hole; Described head is located at first end of gas transmission bar, and the valve joint then is located at this head; When described cylindrical shell moves with respect to this gas transmission bar with the direction of leaving this head, so that air enters cylindrical shell via the vent of this loam cake, and enter described cylindrical shell bottom via the through hole of this piston body, go out from the center orifice flow by check valve block blocks air simultaneously; When cylindrical shell moved with respect to this gas transmission bar with the direction towards this head, the air that then makes this cylindrical shell bottom entered the gas distribution channel of this gas transmission bar via described center hole, and then was flowed out by this head and valve joint.
Check valve described in the utility model, include a check valve seat and a check valve block, this check valve seat is the cylindrical shell of step shape, the one end is inserted in the gas distribution channel of this gas transmission bar second end, the other end is inserted in this piston body, and described check valve block is in this check valve seat and can move between the through hole of the center hole of this piston body and check valve seat.
Produce noise or impaired because of collision for fear of cylindrical shell during with respect to the axial motion of gas transmission bar, in the utility model, can on the inside and outside gas transmission bar of cylindrical shell, buffer gasket be set, promptly be provided with first buffer gasket, and be provided with second buffer gasket at the external diameter of this gas transmission bar second end and the intersection of described piston body at the external diameter of gas transmission bar first end and the intersection of described head.Thereby cylindrical shell is to the utmost point prescribed a time limit in the process of advancing, and this buffer gasket can avoid piston body directly to collide with the loam cake that is located at cylindrical shell, and when fall back process, then can avoid head and the collision of this loam cake.
The beneficial effects of the utility model are, directly as handle, piston apparatus and gas transmission bar then are combined in this cylindrical shell with the cylindrical shell of pump.Check valve seat and check valve block that this piston apparatus then comprises piston body and is used to prevent gas backstreaming.Therefore, when not using, can be with in the whole gas transmission bar retraction cylindrical shell, then the volume of pump can be reduced to minimum degree, more conveniently carries or collects.
In addition, the valve joint is connected in the charging air inlet that is inflated thing by screw-in version.Therefore, can not come off during not only ease of connection, and high pressure yet; The described valve volume that screws togather formula is littler, and it is easier to operate.
Description of drawings
Fig. 1 is the schematic perspective view of light inflator among the utility model embodiment.
Fig. 2 is that the cylindrical shell of light inflator among the utility model embodiment is with respect to gas transmission bar extended state schematic perspective view.
Fig. 3 is the three-dimensional exploded view of the primary clustering combination relation of light inflator among the utility model embodiment.
Fig. 4 A is the structure of light inflator among the utility model embodiment, and the section plan of air being got when operating its cylindrical shell.
When Fig. 4 B is the cylindrical shell of operation light inflator among the utility model embodiment air is sucked section plan in the cylindrical shell.
Fig. 5 connects the schematic perspective view of establishing for the pump and the valve of light inflator among the utility model embodiment.
Fig. 6 is the schematic perspective view of light inflator in the prior art.
Wherein, description of reference numerals is as follows:
1...... cylindrical shell 11...... loam cake
111...... inlet hole 12...... lower cover
2...... gas transmission bar 21...... gas distribution channel
22...... the first buffer gasket 23......, first outside thread
24...... the second outside thread 3...... piston apparatus
31...... piston body 310...... circular groove groove
311...... center hole 312...... through hole
32...... piston ring 33...... check valve seat
331...... central hole 34..... check valve block
35...... the second buffer gasket 4...... head
41...... the first screw 42......, second screw
5...... valve joint 6...... valve
Embodiment
Below cooperation is graphic does more detailed description to embodiment of the present utility model, and any person skilled in art of being familiar with can be implemented after understanding the utility model.
Fig. 1 and Fig. 2 are the schematic appearance of the light inflator in the utility model.Light inflator in the utility model has a cylindrical shell 1, penetrates a gas transmission bar 2 of cylindrical shell 1, is located at a head 4 of gas transmission bar 2, and a valve joint 5 of being located at head 4; Described gas transmission bar 2 cylindrical shell 1 relatively axially moves, thereby gas is got via head 4 and valve joint 5.
Fig. 3 and Fig. 4 are the primary clustering combination relation of the light inflator in the utility model and the schematic representation of structure.This light inflator include a cylindrical shell 1, a gas transmission bar 2, a piston apparatus 3, a head 4 and a valve joint 5; Wherein, cylindrical shell 1 is the tubular body of a hollow, and its two ends are respectively equipped with internal thread, and wherein upper end snail is unified loam cake 11, lower end snail unification lower cover 12, and loam cake 11 is provided with a plurality of vents 111,12 lower end closed with cylindrical shell 1 of lower cover.
Described piston apparatus 3 includes a piston body 31 and a check valve; The external diameter of this piston body 31 is provided with circular groove groove 310, and the central authorities of piston body 31 are provided with a center hole 311, and the upper end of piston body 31 is screwed together in second outside thread 24 of gas transmission bar 2 second ends; Be provided with a plurality of through holes 312 that are through to its circular groove groove 310 below the piston body 31, this circular groove groove 310 is provided with a piston ring 32 again.
Described check valve includes a check valve seat 33 and a check valve block 34, this check valve seat 33 is step shape and the cylindrical shell that has central hole 331 in the centre, this check valve block 34 is a soft lamellar body, place the bigger internal diameter of this check valve seat 33, and can between the central hole 331 of the center hole 311 of this piston body 31 and check valve seat 33, move.After gas transmission bar 2 second ends are inserted in one second buffer gasket 35 earlier, again an end of check valve seat 33 less external diameters is inserted in the internal diameter of gas transmission bar 2 second ends, and after check valve block 34 is placed on the inside of the big external diameter ends of check valve seat 33, again this check valve seat 33 is put into piston body 31 upper ends, and second outside thread 24 of piston body 31 upper ends and gas transmission bar 2 is screwed togather.
Described head 4 has the gas flow that runs through both sides, and forms first screw 41 and second screw 42 at the two ends of this gas flow; After first end of described gas transmission bar 2 is inserted in one first buffer gasket 22, again its first outside thread 23 is screwed together in first screw 41 of head 4, the gas distribution channel 21 of this gas flow and gas transmission bar 2 is communicated.
Light inflator in the utility model valve joint 5 are a kind of swivel heads that screw togather formula, the one end is screwed together in second screw 42 of head 4, the other end then can be screwed together in the charging air inlet 6 (as shown in Figure 5) that is inflated thing.
Fig. 4 A and Fig. 4 B are action and the gas flow paths of the pump of the light inflator in the utility model when inflating.When the user holds cylindrical shell 1 and axially moves with respect to gas transmission bar 2 with the direction towards this head 4, check valve block 34 will move toward the upper end of check valve seat 33 because of being subjected to gas pressure, but because of check valve block 34 can't seal a plurality of side opening quilts that the central hole lower end of check valve seat 33 is had, so in this process, the air of cylindrical shell 1 inner bottom flows into the gas distribution channel 21 of gas transmission bar 2 from the center hole of piston body 31 and the central hole of check valve seat 33, thereby flows out to inflate (shown in Fig. 4 A) to being inflated thing via head 4 and valve joint 5.When cylindrical shell 1 axially moves with respect to this gas transmission bar 2 with the direction of leaving head 4, then make air enter cylindrical shell 1 via the vent 111 of loam cake 11, and enter cylindrical shell 1 bottom (shown in Fig. 4 B) via the through hole 312 of piston body 31, gas is got when treating next charging stroke.
In described gas replenishment process, loam cake 11 may collide head 4 and produce noise or impaired, and therefore the intersection at head 4 and the external diameter of gas transmission bar 2 first ends is provided with first buffer gasket 22 in the utility model, is avoided aforesaid problem.In addition, in fall back process, loam cake 11 also may collide piston body 31 and produce noise or impaired, thereby so is provided with second buffer gasket 3 at the intersection of piston body 31 and the external diameter of gas transmission bar second end in the utility model and avoids aforesaid problem.
The above only is in order to preferred embodiment of the present utility model to be described; be not that the utility model is done any pro forma restriction; therefore, the every any modification relevant of the present utility model done under identical invention spirit or modification all must be included in the scope of the utility model protection.
Claims (3)
1. a light inflator is characterized in that, comprising:
One cylindrical shell, first end that it is relative and second end are provided with a loam cake and a lower cover respectively, and this lower cover is covered with inlet hole with second end sealing of described cylindrical shell on this;
One gas transmission bar has the gas distribution channel that axially runs through its first end and second end;
One piston apparatus, include a piston body and a check valve, the external diameter of this piston body is provided with piston ring, this piston body is located at second end of described gas transmission bar, this check valve is located between this gas transmission bar second end and this piston body, and this piston body and gas transmission bar second end are arranged in this cylindrical shell, described piston body is provided with a center hole and a through hole that is positioned at this piston underside at least;
One head has the gas flow that runs through both sides, and this head is located at first end of this gas transmission bar, and the gas distribution channel of this gas flow and gas transmission bar is communicated;
One valve joint, be located at this head and and this gas flow communicate;
When described cylindrical shell moves with respect to this gas transmission bar with the direction of leaving this head, make air enter cylindrical shell, and enter described cylindrical shell bottom via the through hole of this piston body via the vent of this loam cake; When cylindrical shell moved with respect to this gas transmission bar with the direction towards this head, the air that then makes this cylindrical shell bottom entered the gas distribution channel of this gas transmission bar via described center hole and check valve, and then was flowed out by this head and valve joint.
2. light inflator as claimed in claim 1, it is characterized in that, described check valve includes a check valve seat and a check valve block, this check valve seat is the cylindrical shell of step shape, the one end is inserted in the gas distribution channel of this gas transmission bar second end, the other end is inserted in this piston body, and described check valve block is in this check valve seat and can move between the central hole of the center hole of this piston body and check valve seat.
3. light inflator as claimed in claim 1 or 2, it is characterized in that, the external diameter of described gas transmission bar first end and the intersection of described head are provided with first buffer gasket, and the external diameter of this gas transmission bar second end and the intersection of described piston body are provided with second buffer gasket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201406037U CN201037454Y (en) | 2007-03-16 | 2007-03-16 | Portable inflator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201406037U CN201037454Y (en) | 2007-03-16 | 2007-03-16 | Portable inflator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201037454Y true CN201037454Y (en) | 2008-03-19 |
Family
ID=39209970
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201406037U Expired - Fee Related CN201037454Y (en) | 2007-03-16 | 2007-03-16 | Portable inflator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201037454Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101294559B (en) * | 2007-04-23 | 2012-03-28 | 黄英哲 | Light inflator |
| CN101581289B (en) * | 2009-06-08 | 2012-05-23 | 东莞虎邦五金塑胶制品有限公司 | Piston inflator provided with integral cylinder |
| CN103216418A (en) * | 2013-03-26 | 2013-07-24 | 浙江海洋学院 | Portable inflator |
| CN105387338A (en) * | 2014-08-22 | 2016-03-09 | 黄英哲 | Inflating device capable of inflating by hand or connecting with gas cylinder |
-
2007
- 2007-03-16 CN CNU2007201406037U patent/CN201037454Y/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101294559B (en) * | 2007-04-23 | 2012-03-28 | 黄英哲 | Light inflator |
| CN101581289B (en) * | 2009-06-08 | 2012-05-23 | 东莞虎邦五金塑胶制品有限公司 | Piston inflator provided with integral cylinder |
| CN103216418A (en) * | 2013-03-26 | 2013-07-24 | 浙江海洋学院 | Portable inflator |
| CN103216418B (en) * | 2013-03-26 | 2015-09-30 | 浙江海洋学院 | Portable inflator |
| CN105387338A (en) * | 2014-08-22 | 2016-03-09 | 黄英哲 | Inflating device capable of inflating by hand or connecting with gas cylinder |
| TWI561731B (en) * | 2014-08-22 | 2016-12-11 | Ying Che Huang |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080319 Termination date: 20130316 |