CN204024975U - Two-way hand-pulling piston of air inflator - Google Patents
Two-way hand-pulling piston of air inflator Download PDFInfo
- Publication number
- CN204024975U CN204024975U CN201420387110.3U CN201420387110U CN204024975U CN 204024975 U CN204024975 U CN 204024975U CN 201420387110 U CN201420387110 U CN 201420387110U CN 204024975 U CN204024975 U CN 204024975U
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- valve port
- main body
- piston
- air guide
- guide chamber
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Abstract
The utility model relates to a kind of two-way hand-pulling piston of air inflator, comprise piston main body, the center position of piston main body has endoporus, outer hole, it is characterized in that: between the upper surface of piston main body and lower surface, be provided with and be interval with the dividing plate that polylith radially arranges, dividing plate becomes two disconnected air inlet air guide chamber and the air guide chambers of giving vent to anger each other by the spatial separation between upper surface and lower surface, described air inlet air guide chamber is communicated with the space in endoporus, described space of giving vent to anger between Yu Wai hole, air guide chamber and endoporus is communicated with, the outer end opening place being separated between two dividing plates of air inlet air guide chamber is fixed with the first cover plate that this outer end opening is covered, the outer end opening place being separated between two dividing plates of the air guide chamber of giving vent to anger is fixed with the second cover plate that this outer end opening covers.Whole piston only has two cover plate parts to be additionally adhesively fixed, and assembles more conveniently, and cost is low, and reaches and reduce because of bonding not firm gas leakage probability together.
Description
Technical field
The utility model relates to a kind of two-way hand-pulling piston of air inflator.
Background technique
At present hand-pulled inflator (being also gas-filled pump) kind is quite a lot of, has a kind ofly can push away at handle, all inflate the hand-pulled inflator moving in drawing two-way travel, and this inflator has advantages of that charging efficiency is high.
If the patent No. is the Chinese utility model patent < < two-way inflating pump > > of ZL00255072.5 (notification number is CN2450405Y); The patent No. is Chinese utility model patent < < two-way inflating pump > > of ZL200620100394.9 (notification number is CN2874057Y); They have all disclosed a kind of hand-pulled inflator of energy bidirectional inflating.
The piston of the hand-pulled inflator of this energy bidirectional inflating has such characteristic, internal piston is provided with the air guide chamber of giving vent to anger, an air inlet air guide chamber and, upper and lower piston face in this air inlet air guide chamber is formed with and allows air enter the check-valve port in body by air inlet air guide chamber, and the upper and lower piston face in this air guide chamber of giving vent to anger is formed with and allows air by body, be entered the check-valve port of giving vent to anger in air guide chamber.
This piston has a defect, on each piston, need welding and sticky four sample accessories (stopper of two sides and two valve bases), therefore labour cost is high, in addition because adhering part is many, occurs that these accessories do not have welding or bonding jail to cause that the possibility of leaking gas or dropping is also high; Moreover because piston ring is directly installed on the periphery of piston main body, this will take certain piston surface area, the area that makes to arrange on piston valve port is less, and the Throughput of piston is little, when this piston is used on hand-pulled inflator, uses effort.
Summary of the invention
Technical problem to be solved in the utility model is to provide for above-mentioned prior art present situation the two-way hand-pulling piston of air inflator that the bonding parts of a kind of needs are few, its have advantages of easy to assembly, gas leakage probability is little and cost is low.
The utility model solves the problems of the technologies described above adopted technological scheme: a kind of two-way hand-pulling piston of air inflator, comprise piston main body, the center position of this piston main body has the endoporus connecting for inner tube inserting, and the outer hole connecting for outer tube inserting, the periphery of piston main body is provided with seal ring, the hole wall in outer hole extends upward the upper surface that exposes piston main body, on the upper surface of piston main body, have the first valve port and the second valve port, on the lower surface of piston main body, have the 3rd valve port and the 4th valve port, breathing sheet is all installed on each valve port, it is characterized in that: between the upper surface of described piston main body and lower surface, be provided with and be interval with the dividing plate that polylith radially arranges, each dividing plate becomes two disconnected air inlet air guide chamber and the air guide chambers of giving vent to anger each other by the spatial separation between upper surface and lower surface, described air inlet air guide chamber is communicated with the space in endoporus, described space of giving vent to anger between Yu Wai hole, air guide chamber and endoporus is communicated with, the outer end opening place being separated between two dividing plates of air inlet air guide chamber is fixed with the first cover plate that this outer end opening is covered, the outer end opening place being separated between two dividing plates of the air guide chamber of giving vent to anger is fixed with the second cover plate that this outer end opening covers, described the first valve port and the 3rd valve port are communicated with air inlet air guide chamber, described the second valve port and the 4th valve port are communicated with the air guide chamber of giving vent to anger.
The outside of the interior edge face up and down of above-mentioned air inlet air guide chamber is provided with the first gear rank portion, the two ends, left and right of described the first cover plate have extend internally first in conjunction with wall, first contacts in conjunction with the exterior edge face of wall and the dividing plate of corresponding side, and the interior edge face of the first cover plate contacts with described the first gear rank portion.This structure makes to form more large-area contact space between the first cover plate and air inlet air guide chamber, guarantees that the first cover plate and air inlet air guide chamber are bonding firm.
The outside of the interior edge face up and down of the above-mentioned air guide chamber of giving vent to anger is provided with the second gear rank portion, the two ends, left and right of described the second cover plate have extend internally second in conjunction with wall, second contacts in conjunction with the exterior edge face of wall and the dividing plate of corresponding side, and the interior edge face of the second cover plate contacts with described the second gear rank portion.This structure makes the second cover plate and gives vent to anger to form more large-area contact space between air guide chamber, guarantees that the second cover plate is bonding firm with the air guide chamber of giving vent to anger.
Center position in above-mentioned the first valve port is provided with the first annulus portion that wears installation for the bar portion of breathing sheet, and the periphery of the first annulus portion is connected with the inner hole wall of the first valve port by many first connecting tendons that radially arrange; Center position in described the second valve port is provided with the second annulus portion that wears installation for the bar portion of breathing sheet, and the periphery of the second annulus portion is connected with the inner hole wall of the second valve port by many second connecting tendons that radially arrange; Center position in described the 3rd valve port is provided with the 3rd annulus portion that wears installation for the bar portion of breathing sheet, and the periphery of the 3rd annulus portion is connected with the inner hole wall of the 3rd valve port by many 3rd connecting tendons that radially arrange; Center position in described the 4th valve port is provided with the 4th annulus portion that wears installation for the bar portion of breathing sheet, and the periphery of the 4th annulus portion is connected with the inner hole wall of the 4th valve port by many 4th connecting tendons that radially arrange.
Between the upper surface of above-mentioned piston main body and the hole wall in outer hole, be provided with multi-disc and strengthen gusset, strengthen gusset shape triangular in shape.This structure makes better.
For further strengthening the bulk strength of piston main body, between the upper surface of above-mentioned piston main body and lower surface, be provided with two dunnages.
Further improve, the bottom of above-mentioned piston main body is provided with annular wall, and this annular wall is positioned at the lower surface below of piston main body, and the periphery of annular wall has the caulking groove being embedded for described seal ring.Due to the caulking groove of installation seal ring, be positioned in addition the below of piston main body, the special tectonic of this piston main body can be used maximum free space, therefore use this piston, under the prerequisite of same diameter, can use larger valve port than common piston, be that the valve port of this piston can be installed and has maximum sized breathing sheet, to guarantee maximum airflow, even when piston diameter reduces, also can there is larger valve port, greatly increase the throughput of piston, the throughput of piston is extremely important for such air pump greatly, larger throughput makes this piston, and in use the pulling force of hand-pulled inflator is very light, firmly little, use lighter.
Compared with prior art, the utility model has the advantage of: this piston structure main body is piston main body, its as a whole, due to the outer end opening of two air chambers before assembling completes, this opening is installed the space of breathing sheet for we provide, complete the installation of whole piston Deng breathing after sheet installation again in outer end driving place of air chamber two cover plates that are adhesively fixed, whole piston only has two cover plate parts to be additionally adhesively fixed in addition, assemble more convenient, cost is low, and reaches reduction because of bonding not firm gas leakage probability together.
Accompanying drawing explanation
Fig. 1 is the utility model embodiment's positive perspective view;
Fig. 2 is the utility model embodiment's back side perspective view;
Fig. 3 is the utility model embodiment's three-dimensional cutaway view;
Fig. 4 is the three-dimensional cutaway view of piston main body in the utility model embodiment;
Fig. 5 is the utility model embodiment's three-dimensional exploded view.
Embodiment
Below in conjunction with accompanying drawing, embodiment is described in further detail the utility model.
As shown in Fig. 1～5, it is a preferred embodiment of the present utility model.
A kind of two-way hand-pulling piston of air inflator, comprise substantially rounded and be integrated the piston main body 1 of moulding, the center position of this piston main body 1 has the endoporus 11 connecting for inner tube inserting and the outer hole 12 connecting for outer tube inserting, the periphery of piston main body 1 is provided with seal ring 4, the hole wall in outer hole 11 extends upward the upper surface that exposes piston main body 1, between the hole wall in the upper surface of piston main body 1 and outer hole 12, be provided with multi-disc and strengthen gusset 18, strengthen gusset 18 shape triangular in shape.On the upper surface of piston main body 1, have the first valve port 13 and the second valve port 14, on the lower surface of piston main body 1, have the 3rd valve port 15 and the 4th valve port 16, on each valve port, be all provided with and breathe sheet 2.
Between the upper surface of piston main body 1 and lower surface, be provided with and be interval with the dividing plate 17 that polylith radially arranges, each dividing plate 17 becomes two disconnected air inlet air guide chamber 3 and the air guide chambers 5 of giving vent to anger each other by the spatial separation between upper surface and lower surface, air inlet air guide chamber 3 is communicated with the space in endoporus 11, the air guide chamber 5 of giving vent to anger is communicated with the space X between outer hole 12 and endoporus 11, the outer end opening place being separated between two dividing plates 17 of air inlet air guide chamber 3 is fixed with the first cover plate 6 that this outer end opening is covered, the outer end opening place being separated between two dividing plates 17 of the air guide chamber 5 of giving vent to anger is fixed with the second cover plate 7 that this outer end opening covers, described the first valve port 13 and the 3rd valve port 15 are communicated with air inlet air guide chamber 3, the second valve port 14 and the 4th valve port 16 are communicated with the air guide chamber 5 of giving vent to anger.
The outside of the interior edge face up and down of air inlet air guide chamber 3 is provided with the first gear rank portion 31, the two ends, left and right of the first cover plate 6 have extend internally first in conjunction with wall 61, first contacts in conjunction with the exterior edge face of wall 61 and the dividing plate of corresponding side 17, and the interior edge face of the first cover plate 6 contacts with described the first gear rank portion 61.
The give vent to anger outside of interior edge face up and down of air guide chamber 5 is provided with the second gear rank portion 51, the two ends, left and right of described the second cover plate 7 have extend internally second in conjunction with wall 71, second contacts in conjunction with the exterior edge face of wall 71 and the dividing plate of corresponding side 17, and the interior edge face of the second cover plate 7 contacts with the second gear rank portion 51.
Center position in the first valve port 13 is provided with the periphery that wears the first 131, the first annulus portions 13 of annulus portion of installation for the bar portion 21 of breathing sheet and is connected with the inner hole wall of the first valve port 13 by many first connecting tendons 132 that radially arrange; Center position in the second valve port 14 is provided with the periphery that wears the second 141, the second annulus portions 141 of annulus portion of installation for the bar portion 21 of breathing sheet and is connected with the inner hole wall of the second valve port 14 by many second connecting tendons 142 that radially arrange; Center position in the 3rd valve port 15 is provided with the periphery that wears the 3rd 151, the three annulus portions 151 of annulus portion of installation for the bar portion 21 of breathing sheet and is connected with the inner hole wall of the 3rd valve port 15 by many 3rd connecting tendons 152 that radially arrange; Center position in the 4th valve port 16 is provided with the periphery that wears the 4th 161, the four annulus portions 161 of annulus portion of installation for the bar portion 21 of breathing sheet and is connected with the inner hole wall of the 4th valve port 16 by many 4th connecting tendons 162 that radially arrange.
The bottom of piston main body 1 is provided with annular wall 19, and this annular wall 19 is positioned at the lower surface below of piston main body 1, and the periphery of annular wall 19 has the caulking groove 191 being embedded for seal ring 4.
This piston structure main body is piston main body 1, its as a whole, due to the outer end opening of two air chambers 3,5 before assembling completes, this opening is installed the space of breathing sheet 2 for we provide, complete the installation of whole piston Deng breathing after sheet 2 installations again in outer end driving place of air chamber 3,5 two cover plates 6,7 that are adhesively fixed, whole piston only has two cover plates, 6,7 parts to be additionally adhesively fixed in addition, assemble more convenient, cost is low, and reaches reduction because of bonding not firm gas leakage probability together.
Owing to the caulking groove 191 of seal ring 4 being installed being positioned at the below of piston main body 1, the special tectonic of this piston main body 1 can be used maximum free space, therefore use this piston, under the prerequisite of same diameter, can use larger valve port 13 than common piston, 14, 15, 16, it is the valve port 13 of this piston, 14, 15, 16 can install and have maximum sized breathing sheet 2, to guarantee maximum airflow, even when piston diameter reduces, also can there is larger valve port, greatly increase the throughput of piston, the throughput of piston is extremely important for such air pump greatly, larger throughput makes this piston, and in use the pulling force of hand-pulled inflator is very light, firmly little, use lighter.
Claims (7)
1. a two-way hand-pulling piston of air inflator, comprise piston main body (1), the center position of this piston main body (1) has the endoporus (11) connecting for inner tube inserting, and the outer hole (12) connecting for outer tube inserting, the periphery of piston main body (1) is provided with seal ring (4), the hole wall in outer hole (11) extends upward the upper surface that exposes piston main body (1), on the upper surface of piston main body (1), have the first valve port (13) and the second valve port (14), on the lower surface of piston main body (1), have the 3rd valve port (15) and the 4th valve port (16), on each valve port, be all provided with and breathe sheet (2), it is characterized in that: between the upper surface of described piston main body (1) and lower surface, be provided with the dividing plate (17) that is interval with polylith and radially arranges, each dividing plate (17) becomes two disconnected air inlet air guide chamber (3) and the air guide chambers (5) of giving vent to anger each other by the spatial separation between upper surface and lower surface, described air inlet air guide chamber (3) is communicated with the space in endoporus (11), the described air guide chamber (5) of giving vent to anger is communicated with the space (X) between outer hole (12) and endoporus (11), the outer end opening place being separated between two dividing plates (17) of air inlet air guide chamber (3) is fixed with the first cover plate (6) that this outer end opening is covered, the outer end opening place being separated between two dividing plates (17) of the air guide chamber (5) of giving vent to anger is fixed with the second cover plate (7) that this outer end opening covers, described the first valve port (13) and the 3rd valve port (15) are communicated with air inlet air guide chamber (3), described the second valve port (14) and the 4th valve port (16) are communicated with the air guide chamber (5) of giving vent to anger.
2. two-way hand-pulling piston of air inflator according to claim 1, it is characterized in that: the outside of the interior edge face up and down of described air inlet air guide chamber (3) is provided with the first gear rank portion (31), the two ends, left and right of described the first cover plate (6) have extend internally first in conjunction with wall (61), the first exterior edge face in conjunction with wall (61) contacts with the dividing plate (17) of corresponding side, and the interior edge face of the first cover plate (6) contacts with described the first gear rank portion (61).
3. two-way hand-pulling piston of air inflator according to claim 1, it is characterized in that: described in the give vent to anger outside of interior edge face up and down of air guide chamber (5) be provided with the second gear rank portion (51), the two ends, left and right of described the second cover plate (7) have extend internally second in conjunction with wall (71), the second exterior edge face in conjunction with wall (71) contacts with the dividing plate (17) of corresponding side, and the interior edge face of the second cover plate (7) contacts with described the second gear rank portion (51).
4. two-way hand-pulling piston of air inflator according to claim 1, it is characterized in that: the center position in described the first valve port (13) is provided with the first annulus portion (131) that wears installation for the bar portion (21) of breathing sheet, the periphery of the first annulus portion (13) is connected with the inner hole wall of the first valve port (13) by many first connecting tendons (132) that radially arrange; Center position in described the second valve port (14) is provided with the second annulus portion (141) that wears installation for the bar portion (21) of breathing sheet, and the periphery of the second annulus portion (141) is connected with the inner hole wall of the second valve port (14) by many second connecting tendons (142) that radially arrange; Center position in described the 3rd valve port (15) is provided with the 3rd annulus portion (151) that wears installation for the bar portion (21) of breathing sheet, and the periphery of the 3rd annulus portion (151) is connected with the inner hole wall of the 3rd valve port (15) by many 3rd connecting tendons (152) that radially arrange; Center position in described the 4th valve port (16) is provided with the 4th annulus portion (161) that wears installation for the bar portion (21) of breathing sheet, and the periphery of the 4th annulus portion (161) is connected with the inner hole wall of the 4th valve port (16) by many 4th connecting tendons (162) that radially arrange.
5. two-way hand-pulling piston of air inflator according to claim 1, it is characterized in that: between the upper surface of described piston main body (1) and the hole wall of outer hole (12), be provided with multi-disc and strengthen gusset (18), strengthen gusset (18) shape triangular in shape.
6. two-way hand-pulling piston of air inflator according to claim 1, is characterized in that: between the upper surface of described piston main body (1) and lower surface, be provided with two dunnages (10).
7. according to the arbitrary described two-way hand-pulling piston of air inflator of claim 1～6, it is characterized in that: the bottom of described piston main body (1) is provided with annular wall (19), this annular wall (19) is positioned at the lower surface below of piston main body (1), and the periphery of annular wall (19) has the caulking groove (191) being embedded for described seal ring (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420387110.3U CN204024975U (en) | 2014-07-14 | 2014-07-14 | Two-way hand-pulling piston of air inflator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420387110.3U CN204024975U (en) | 2014-07-14 | 2014-07-14 | Two-way hand-pulling piston of air inflator |
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| Publication Number | Publication Date |
|---|---|
| CN204024975U true CN204024975U (en) | 2014-12-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420387110.3U Withdrawn - After Issue CN204024975U (en) | 2014-07-14 | 2014-07-14 | Two-way hand-pulling piston of air inflator |
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| CN (1) | CN204024975U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104196697A (en) * | 2014-07-14 | 2014-12-10 | 格力休闲体育用品有限公司 | Bi-directional hand inflator piston |
-
2014
- 2014-07-14 CN CN201420387110.3U patent/CN204024975U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104196697A (en) * | 2014-07-14 | 2014-12-10 | 格力休闲体育用品有限公司 | Bi-directional hand inflator piston |
| WO2016008279A1 (en) * | 2014-07-14 | 2016-01-21 | 格力休闲体育用品有限公司 | Two-way hand-drawn pneumatic cylinder piston |
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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: 20141217 Effective date of abandoning: 20160831 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |