CN201391428Y - Piston inflator with integrated cylinder - Google Patents
Piston inflator with integrated cylinder Download PDFInfo
- Publication number
- CN201391428Y CN201391428Y CN200920053955U CN200920053955U CN201391428Y CN 201391428 Y CN201391428 Y CN 201391428Y CN 200920053955 U CN200920053955 U CN 200920053955U CN 200920053955 U CN200920053955 U CN 200920053955U CN 201391428 Y CN201391428 Y CN 201391428Y
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- Prior art keywords
- piston
- transfer chamber
- communicated
- piston head
- storing cavity
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- Expired - Lifetime
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Abstract
The utility model relates to a piston inflator with an integrated cylinder, which comprises a piston component and a cylinder. The piston component comprises an operating handle, a piston rod and a piston head; the cylinder comprises an upper cover, a cylinder body, a foot-operated base and a bottom cover; wherein the upper cover, the cylinder body and the foot-operated base are integral structures; a through hole is formed at the center of the upper cover; an opening which is convenient to the assembly of the piston component is formed on the bottom surface of the foot-operated base; and the bottom cover is integrally welded and sealed on the opening, so that the cylinder required to be wholly closed has an integral structure. Therefore, the utility model not only obtains better structural strength and tightness, but also simplifies the product structure and reduces the part quantity, thereby facilitating the improvement of the production and assembly efficiency of products and reducing the transportation and mould processing cost.
Description
Technical field
The utility model relates to a kind of piston inflator provided art of daily life assistant product, refer in particular to a kind of the piston inflator provided of integral cylinder that have, it has advantage simple in structure, that processing is easy to assembly and cost is low for the assembled tube structure of tradition.
Background technique
As everyone knows, pump has been widely used in people's daily life, is used for bringing convenience in life to the inflation such as bicycle tyre, motorcycle tire, apparatus such as ball to people.At present, being seen on the market inflator structure as shown in Figure 1, it mainly includes cylindrical shell and piston assembly, this piston assembly include piston rod 210 ' and be installed in the operating grip 220 of piston rod 210 ' upper and lower end ' and piston head 230 ', cylindrical shell then include the loam cake 110 of split ', stack shell 120 ' and tread base 130 ', this stack shell 120 ' be the upper and lower end hatch frame, this loam cake 110 ' by seal ring 141 ' seal be packaged in stack shell 120 ' upper end open, tread base 130 ' then by seal ring 142 ' seal be packaged in stack shell 120 ' lower ending opening, piston rod 210 in the piston assembly ' by cylinder top cover 110 ' in through hole 111 ' stretch in stack shell 120 ' in inner chamber in, by operating this operating grip 220 ' can drive piston head 230 ' in stack shell 120 ' inner chamber, slidably reciprocate up and down, with air outside by the inlet suction inner chamber on the cylindrical shell after, be pressed in the apparatus that to inflate via another air outlet on the cylindrical shell again, realize the function of inflation.
Yet though aforementioned known pump can be realized the function of inflating, they still have many parts that haves much room for improvement.Wherein particularly be directed to the structural design of cylindrical shell, people have formed a kind of thinking set, and habitually be designed to split-type structural in the aforementioned content, promptly produce respectively loam cake 110 ', stack shell 120 ' and tread base 130 ' parts after, by various seal structures they are assembled again.But, the existing deficiency of the split type tube structure of this kind mainly is the following aspects, first product component is too many, to such an extent as to it is more and increase too much die cost to make the mould of each component, also can increase simultaneously the stock control and the cost of transportation of each component manufactured good, cause the competition inferior position on the product cost; To be each component can exist assembly error inevitably when assembling for next, so will certainly bring the product quality problem and increase the finished product reject ratio, influences the quality prestige of product; Moreover cylindrical shell will experience the assembling two procedures of carrying out component after the making of component more respectively in the process of making, increased the making complexity, has prolonged fabrication cycle, badly influences the efficient of manufacturing of product.
The model utility content
In view of this, the utility model is at the disappearance of prior art existence, and its main purpose provides a kind of the piston inflator provided of integral cylinder that have, to overcome aforementioned the deficiencies in the prior art.
For achieving the above object, the utility model adopts following technological scheme:
A kind of have the piston inflator provided of integral cylinder, include piston assembly and cylindrical shell, has air storing cavity in this cylindrical shell, this piston assembly includes operating grip, piston rod and piston head, piston head is arranged in the air storing cavity of cylindrical shell, operating grip is positioned at outside the cylindrical shell, piston rod is connected between operating grip and the piston head, this cylindrical shell includes loam cake, stack shell, tread base and bottom cover, wherein, this loam cake, the structure that stack shell and tread base are formed in one is provided with the through hole that is used to install piston rod in the center of loam cake, bottom end in tread base is provided with the opening of being convenient to the built-up piston head, and this bottom cover integral welding is encapsulated on this opening.
As a kind of preferred version, the size of described opening is identical with the internal diameter size of stack shell.
As a kind of preferred version, described loam cake, stack shell, tread base and bottom cover are plastic material.
As a kind of preferred version, in the described piston assembly: pipe and outer tube in this piston rod includes maintain the air inlet gap between interior pipe and outer tube; Have first transfer chamber and second transfer chamber that are isolated from each other in this piston head, the side of piston head is provided with a ring-type recess and a vent, be fitted with seal ring movable up and down in the ring-type recess, this vent is communicated with first transfer chamber, be respectively arranged with one-way valve on the upper and lower surface of this second transfer chamber, this one-way valve open-close type is controlled the isolation of second transfer chamber and air storing cavity or is communicated with; This operating grip is provided with suction port and air outlet, and this suction port is communicated with aforementioned air inlet gap, and the lower end in air inlet gap further is communicated with second transfer chamber, forms the gas-entered passageway that flows to air storing cavity by suction port, air inlet gap, second transfer chamber and one-way valve; This air outlet is communicated with interior pipe, and the lower end of interior pipe further is communicated with first transfer chamber, forms outlet passageway by vent, first transfer chamber, interior pipe and air outlet.
As a kind of preferred version, described one-way valve is the rubber tack structure.
After the utility model adopted technique scheme, its beneficial effect was:
One, simplified product structure, because it is a part that loam cake, stack shell and tread base in the cylindrical shell are made of one piece, therefore for traditional split type tube structure, do not need to increase again the sealing configuration that is directed between loam cake and stack shell, tread base and the stack shell, such as seal ring etc., and facts have proved that integrative-structure has better structural strength and sealability.
Two, more save cost, integral cylinder structure in the utility model is for traditional split type tube structure, only have only two parts, so not only can reduce mould, reduce its die cost, and after the amount of parts minimizing, more can save stock control and cost of transportation that multiple component brings.
Three, help to promote the production and assembly efficient of product, the minimizing of amount of parts, make that the assembling procedure of lid and cylindrical shell, cylindrical shell and tread base is finished by disposable on its tradition in the process of one-body molded making, mat and saved the assembling procedure of multiple tracks component, can significantly reduce the production and assembly time, promote its manufacturing efficiency.
Come the utility model is elaborated below in conjunction with accompanying drawing and specific embodiment:
Description of drawings
Fig. 1 is the exploded view of the inflator structure of tradition;
Fig. 2 is the embodiment's of the utility model the three-dimensional diagrammatic sketch of assembling;
Fig. 3 is the embodiment's of the utility model a three-dimensional exploded view;
Fig. 4 is the embodiment's of the utility model a sectional view, demonstrates the airflow direction of piston head when lower slider among the figure;
Fig. 5 is another state diagram of Fig. 4, the airflow direction when demonstrating piston head among the figure and upwards sliding;
Fig. 6 is the cross section exploded view of the embodiment's middle cylinder body and the bottom cover of the utility model.
The accompanying drawing identifier declaration:
110 ', loam cake 120 ', stack shell
130 ', tread base 141 ', seal ring
142 ', seal ring 210 ', piston rod
220 ', operating grip 230 ', piston head
100, cylindrical shell 101, air storing cavity
101a, last air storing cavity 101b, following air storing cavity
110, loam cake 111, through hole
120, stack shell 130, tread base
131, opening 140, bottom cover
200, piston assembly 201, first transfer chamber
202, second transfer chamber 203, air inlet gap
210, interior pipe 220, outer tube
230, operating grip 231, suction port
232, air outlet 240, piston head
241, vent 242, ring-type recess
251, first one-way valve 252, second one-way valve
260, seal ring
Embodiment:
Please refer to Fig. 2 to shown in Figure 6, the concrete structure that it has demonstrated the preferred embodiment of the utility model includes cylindrical shell 100 and piston assembly 200.
Wherein, as Fig. 6, this cylindrical shell 100 includes loam cake 110, stack shell 120, tread base 130 and bottom cover 140, wherein, the structure that this loam cake 110, stack shell 120 and tread base 130 are formed in one is provided with through hole 111 in the center of loam cake 110, is provided with the opening 131 of being convenient to the built-up piston element in the bottom end of tread base 130, one bottom cover, 140 integral weldings are encapsulated on this opening 131, form an air storing cavity 101.This cylindrical shell 100 and bottom cover 140 preferably adopt plastic material, and adopt molding and forming to make, and so to obtain preferable manufacturing efficiency and quality, the size of this opening 131 is identical with the internal diameter size of stack shell 120 simultaneously, so that depanning.140 of this bottom covers can adopt technology welding assemblings such as high speed rotating welding, ultrasonic fusing or high frequency welding, and the assembling mode that utilizes this kind integral welding is to obtain splendid join strength, working life and superpower seal.
Have first transfer chamber 201 and second transfer chamber 202 that are isolated from each other in this piston head 240, on the upper and lower surface of second transfer chamber 202, be respectively arranged with two rubber tack formulas, first one-way valve 251 and second one-way valve 525, and be provided with a vent 241 in the side of piston head 240.By the folding and be communicated with or isolate second transfer chamber 202 and last air storing cavity 101a according to need of this first one-way valve 251, the folding and be communicated with or isolate second transfer chamber 202 and following air storing cavity 101b according to need of this second one-way valve is communicated with according to need by this vent 111 and goes up air storing cavity 101a or time air storing cavity 101b and first transfer chamber 201.One seal ring 260 is installed in the ring-type recess 242 in piston head 240 side wall surfaces, and can be up and down in this ring-type recess 242, when sealing circle 260 upwards movable and during near the upper wall surface of ring-type recess 242, sealing circle 260 is plugged between first transfer chamber 201 and the last air storing cavity 101a, and the transfer chamber 201 of winning is communicated with following air storing cavity 101b only; When being close to the lower wall surface of ring-type recess 242 when sealing circle 260 activity downwards, sealing circle 260 is plugged between first transfer chamber 201 and the following air storing cavity 101b, and the transfer chamber 201 of winning is communicated with last air storing cavity 101a only.
Should interiorly manage the air inlet gap 203 that maintains between 210 outer wall and outer tube 220 internal faces as air inlet runner, be provided with suction port 231 and air outlet 232 in this operating grip 230, this suction port 231 is communicated with this air inlet gap 203, the lower end in air inlet gap 203 further is communicated with second transfer chamber 202, forms the gas-entered passageway that flows to air storing cavity 101 by suction port 232, air inlet gap 203, second transfer chamber 202, first one-way valve 251, second one-way valve 252.And air outlet 232 is communicated with interior pipe 210, and the lower end of interior pipe 210 further is communicated with aforementioned first transfer chamber 201, forms outlet passageway by vent 241, first transfer chamber 201, interior pipe 210 and air outlet 232.
The user can be by manually mentioning or push handle 230 spurs piston head 240 and slides up and down in air storing cavity 101 continuously, different with the pump of tradition is, piston head 240 in the present embodiment all has the function of inflating in the process that slides up and down, it is as follows that its concrete working principle is described in detail in detail:
When the user mentions operating grip 230 and pulling piston head 240 when upwards sliding, wherein sealing circle 260 is close on the lower wall surface of ring-type recess 242 by stack shell 120 internal face frictions.As shown in Figure 4, it is inflated, and working procedure specifically is divided into intake process and the process of giving vent to anger, and this intake process carries out simultaneously with the process system of giving vent to anger.Particularly, in the process of giving vent to anger, owing to upwards sliding, this piston head 240 compresses air storing cavity 101a, impel the air of going up among the air storing cavity 101a to be extruded and charge in the apparatus that is communicated with it (shown in arrow among Fig. 4) via vent 241, first transfer chamber 201, interior pipe 210 and air outlet 232 successively fast, realize the function of inflation.Meanwhile, enlarged the spatial volume of time air storing cavity 101b, so certainly will reduce the barometric pressure of air storing cavity 101b down, under action of pressure, impelled this second one-way valve 252 to open owing to piston head 240 upwards slides; After second one-way valve 252 is opened, this gas-entered passageway is also opened, shown in arrow among Fig. 4, air outside enters down among the air storing cavity 101b via suction port 231, air inlet gap 203, second transfer chamber 202 and second one-way valve 252 successively, finish intake process, for the give vent to anger process of piston head 240 when the lower slider laid in needed air.
When spurring piston head 240 to lower slider when user's pressing operation handle 230, wherein sealing circle 260 is close on the upper wall surface of ring-type recess 242 by stack shell 120 internal face frictions.As shown in Figure 5, its process of inflating is divided into intake process and the process of giving vent to anger equally, and this intake process carries out simultaneously with the process system of giving vent to anger.Particularly, in the process of giving vent to anger, owing to this piston head 240 compresses air storing cavity 101b down to lower slider, air under impelling among the air storing cavity 101b is extruded and charges in the apparatus that is communicated with it (shown in arrow among Fig. 4) via vent 241, first transfer chamber 201, interior pipe 210 and air outlet 232 successively fast, realizes the function of inflation.Meanwhile,, so certainly will reduce to go up the barometric pressure of air storing cavity 101a, under action of pressure, impel this first one-way valve 251 to open owing to piston head 240 has enlarged the spatial volume of last air storing cavity 101a to lower slider; After first one-way valve 251 is opened, this gas-entered passageway is also opened, shown in arrow among Fig. 4, air outside enters among the air storing cavity 101a via suction port 231, air inlet gap 203, second transfer chamber 202 and first one-way valve 252 successively, finish intake process, the process of giving vent to anger when upwards sliding for piston head 240 is laid in needed air.
Design focal point of the present utility model is that at first by one-body molded loam cake, stack shell and the tread base of producing one, the mode by integral welding is connected to bottom cover on the opening then, and the airtight cylindrical shell of whole needs is become one structure.By this, not only can obtain better structural strength and seal, and reduce amount of parts.
The above, it only is preferred embodiment of the present utility model, be not that technical scope of the present utility model is imposed any restrictions, so every foundation technical spirit of the present utility model all still belongs in the scope of technical solutions of the utility model any trickle modification, equivalent variations and modification that above embodiment did.
Claims (5)
1, a kind of have the piston inflator provided of integral cylinder, include piston assembly and cylindrical shell, has air storing cavity in this cylindrical shell, this piston assembly includes operating grip, piston rod and piston head, piston head is arranged in the air storing cavity of cylindrical shell, operating grip is positioned at outside the cylindrical shell, piston rod is connected between operating grip and the piston head, it is characterized in that: this cylindrical shell includes loam cake, stack shell, tread base and bottom cover, wherein, this loam cake, the structure that stack shell and tread base are formed in one, be provided with the through hole that is used to install piston rod in the center of loam cake, bottom end in tread base is provided with the opening of being convenient to the built-up piston head, and this bottom cover integral welding is encapsulated on this opening.
2, according to claim 1 have the piston inflator provided of integral cylinder, and it is characterized in that: the size of described opening is identical with the internal diameter size of stack shell.
3, according to claim 1 have the piston inflator provided of integral cylinder, and it is characterized in that: described loam cake, stack shell, tread base and bottom cover are plastic material.
4, according to claim 1 have the piston inflator provided of integral cylinder, it is characterized in that: in the described piston assembly:
Pipe and outer tube maintained the air inlet gap in this piston rod included between interior pipe and outer tube;
Have first transfer chamber and second transfer chamber that are isolated from each other in this piston head, the side of piston head is provided with a ring-type recess and a vent, be fitted with seal ring movable up and down in the ring-type recess, this vent is communicated with first transfer chamber, be respectively arranged with one-way valve on the upper and lower surface of this second transfer chamber, this one-way valve open-close type is controlled the isolation of second transfer chamber and air storing cavity or is communicated with;
This operating grip is provided with suction port and air outlet, and this suction port is communicated with aforementioned air inlet gap, and the lower end in air inlet gap further is communicated with second transfer chamber, forms the gas-entered passageway that flows to air storing cavity by suction port, air inlet gap, second transfer chamber and one-way valve; This air outlet is communicated with interior pipe, and the lower end of interior pipe further is communicated with first transfer chamber, forms outlet passageway by vent, first transfer chamber, interior pipe and air outlet.
5, according to claim 4 have the piston inflator provided of integral cylinder, and it is characterized in that: described one-way valve is the rubber tack structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920053955U CN201391428Y (en) | 2009-04-03 | 2009-04-03 | Piston inflator with integrated cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920053955U CN201391428Y (en) | 2009-04-03 | 2009-04-03 | Piston inflator with integrated cylinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201391428Y true CN201391428Y (en) | 2010-01-27 |
Family
ID=41598255
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200920053955U Expired - Lifetime CN201391428Y (en) | 2009-04-03 | 2009-04-03 | Piston inflator with integrated cylinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201391428Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN105649925A (en) * | 2014-11-12 | 2016-06-08 | 江苏亿美电器有限公司 | Hand-pulled type inflation pump |
-
2009
- 2009-04-03 CN CN200920053955U patent/CN201391428Y/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN105649925A (en) * | 2014-11-12 | 2016-06-08 | 江苏亿美电器有限公司 | Hand-pulled type inflation pump |
| CN105649925B (en) * | 2014-11-12 | 2017-12-12 | 江苏亿美电器有限公司 | Hand pulling type inflating pump |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20100127 Effective date of abandoning: 20090403 |