CN203962348U - The rapid air inflation connector with pressure gauge protector - Google Patents

The rapid air inflation connector with pressure gauge protector Download PDF

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Publication number
CN203962348U
CN203962348U CN201420377644.8U CN201420377644U CN203962348U CN 203962348 U CN203962348 U CN 203962348U CN 201420377644 U CN201420377644 U CN 201420377644U CN 203962348 U CN203962348 U CN 203962348U
Authority
CN
China
Prior art keywords
pressure gauge
air
stacker
groove
anger
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
Application number
CN201420377644.8U
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Chinese (zh)
Inventor
庄士文
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
JIDIAN CO Ltd
Topeak Inc
Original Assignee
JIDIAN CO Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by JIDIAN CO Ltd filed Critical JIDIAN CO Ltd
Priority to CN201420377644.8U priority Critical patent/CN203962348U/en
Application granted granted Critical
Publication of CN203962348U publication Critical patent/CN203962348U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The rapid air inflation connector that the utlity model has pressure gauge protector includes a body and a protective gear, body is provided with give vent to anger portion and an air input part, body is also provided with an air-flow path and a pressure gauge between the portion of giving vent to anger and air input part, protective gear is located at the air input part of body, protective gear includes a stacker and a sliding component, in stacker, be provided with a gas cylinder holding groove and a slideway, stacker is equipped with a gas-tight ring in slideway, sliding component is located in slideway, sliding component convexes with an airtight flange, protective gear is when primary importance, airtight flange is resisted against gas-tight ring, make slideway sealing, protective gear is when the second place, airtight flange departs from gas-tight ring, make slideway open, utilize protective gear avoid high-pressure air directly to pour body and damage pressure gauge.

Description

The rapid air inflation connector with pressure gauge protector
Technical field
The utility model mainly discloses a kind of gas-charging connection, espespecially has the rapid air inflation connector of pressure gauge protector.
Background technique
Please refer to the pressure measurement structure > > Patent Case of the < < tool Decompression valves of No. M450726th, TaiWan, China letters patent book number number, it is a kind of pressure measurement structure of tool Decompression valves, mainly comprise the body of tubulose, the switch button that is provided with non-return piece and pressure release button, and a pressure gauge.Wherein, body is provided with inlet, outlet, is provided with first, second passage and third channel between inlet, outlet, in the sealed switch button of first passage, and in the sealed pressure release button of second channel, and in the sealed pressure gauge of third channel.In order to do the suction port by body, connect inflator, and connect object to be inflatable by air outlet, when opening, object to be inflatable is inflated through air outlet by inflator switch button, and by the apparent force value of looking of pressure, when object to be inflatable reaches suitable force value, Decompression valves is opened unnecessary air is disengaged by body second channel, and then make object to be inflatable keep stable inflated condition.
Yet, adopting the pump of said structure in use, must first inflator be installed in after body, then rotating switch button can discharge the gas in inflator, quite not convenient in operation, reaction velocity is slow.
And while utilizing pump bicycle tyre to be inflated, must connect in addition body could be connected in joint the valve of tire, causes the bulky of pump again, person carries to be not easy to bicycle riding.
Model utility content
Its main purpose of rapid air inflation connector that the utlity model has pressure gauge protector is, a kind of gas-charging connection that includes a body and a protective gear is provided, body is provided with give vent to anger portion and an air input part, body is also provided with an air-flow path between the portion of giving vent to anger and air input part, air-flow path is communicated with the portion of giving vent to anger and the air input part of body, body is also provided with a pressure gauge, manometric suction port and air-flow path are connected with each other logical, protective gear is located at the air input part of body, protective gear includes a stacker, a sliding component, first elastic component and second elastic component, in stacker, be provided with a gas cylinder holding groove and a slideway, gas cylinder holding groove and slideway are connected with each other logical, slideway is positioned at gas cylinder holding groove near a side of body, stacker is equipped with a gas-tight ring in slideway, sliding component is being located in slideway of stacker slip relatively, between the two ends of sliding component, convex with an airtight flange, airtight flange is between gas-tight ring and gas cylinder holding groove, airtight flange outer periphery edge width is radially not less than gas-tight ring inner circumference edge width radially, the first elastic component is located at slideway and is positioned at gas-tight ring away from a side of body, the second elastic component is located at slideway and is positioned at gas-tight ring near a side of body, protective gear can move between primary importance and the second place, protective gear is when primary importance, stacker is away from body, airtight flange is resisted against gas-tight ring, make slideway sealing, protective gear is when the second place, stacker is near body, airtight flange departs from gas-tight ring, make slideway open.Because protective gear slides into sealing when the primary importance, make the high-pressure air of gas cylinder directly enter body, avoid high-pressure air directly to pour body and cause pressure gauge to damage because instantaneous pressure is too high, extend manometric working life.
Accompanying drawing explanation
Fig. 1: for the utlity model has first embodiment's of rapid air inflation connector of pressure gauge protector stereo appearance figure.
Fig. 2: for the utlity model has first embodiment's of rapid air inflation connector of pressure gauge protector three-dimensional exploded view.
Fig. 3: for the utlity model has the sectional structure chart of first embodiment's protective gear of rapid air inflation connector of pressure gauge protector.
Fig. 4: for first embodiment's protective gear of rapid air inflation connector of the utlity model has pressure gauge protector is in the use phase diagram of primary importance.
Fig. 5: for first embodiment's protective gear of rapid air inflation connector of the utlity model has pressure gauge protector is in the use phase diagram of primary importance.
Fig. 6: for first embodiment's protective gear of rapid air inflation connector of the utlity model has pressure gauge protector is in the use phase diagram of the second place.
Fig. 7: for first embodiment's protective gear of rapid air inflation connector of the utlity model has pressure gauge protector is in the use phase diagram of the second place.
Fig. 8: for first embodiment's protective gear of rapid air inflation connector of the utlity model has pressure gauge protector is in the use phase diagram of the second place.
Fig. 9: for the utlity model has second embodiment's of rapid air inflation connector of pressure gauge protector stereo appearance figure.
Figure 10: for the utlity model has second embodiment's of rapid air inflation connector of pressure gauge protector three-dimensional exploded view.
Figure 11: for the utlity model has second embodiment's of rapid air inflation connector of pressure gauge protector sectional structure chart.
Figure 12: the action diagram of rotating for the utlity model has second embodiment's pressure gauge of rapid air inflation connector of pressure gauge protector.
10 gas-charging connections; 20 bodies; 21 portions of giving vent to anger; 22 air input parts; 23 air-flow paths; 24 pressure gauges;
25 grooves of giving vent to anger; 26 air nozzle connectors; 27 locking pins; 28 air inlet grooves; 29 locating pieces; 30 protective gears;
31 stackers; 311 gas cylinder holding grooves; 312 slideways; 313 gas-tight rings; 314 against flange; 315 thimbles;
316 limited impressions; 32 sliding components; 321 airtight flanges; 33 first elastic components; 34 second elastic components;
10a gas-charging connection; 20a body; 23a air-flow path; 231a side canal; The 232a groove of dodging;
24a pressure gauge; 241a measures side canal; 30a protective gear; The virtual axis of L.
Embodiment
Shown in Fig. 1 and Fig. 2, for the utlity model has stereo appearance figure and the three-dimensional exploded view of the rapid air inflation connector of pressure gauge protector.The utility model gas-charging connection 10 includes a body 20 and a protective gear 30; Wherein:
This body 20 is provided with give vent to anger portion 21 and an air input part 22, and this body 20 is given vent to anger and is also provided with an air-flow path 23 between portion 21 and this air input part 22 in this, and this air-flow path 23 is communicated with the portion of giving vent to anger 21 and the air input part 22 of this body 20.This body 20 is also provided with a pressure gauge 24, the suction port of this pressure gauge 24 and this air-flow path 23 are connected with each other logical, this pressure gauge 24 is in a side of this air-flow path 23 and give vent to anger between portion 21 and this air input part 22 at this, this pressure gauge 24 is in the form of annular discs, the portion of giving vent to anger 21 of this body 20 arranges along the circumferencial direction of this pressure gauge 24 respectively with air input part 22, and these give vent to anger portion 21 and these air input part 22 each interval 90 degree, make this body 20 be L font.
This body 20 is concaved with the groove 25 of giving vent to anger in this portion 21 of giving vent to anger, this groove 25 of giving vent to anger is connected with each other logical with this air-flow path 23, this groove 25 of giving vent to anger is circular hole, in this groove 25 of giving vent to anger, be provided with an air nozzle connector 26 and a locking pin 27, this air nozzle connector 26 is axially inserted in this groove 25 of giving vent to anger along this groove 25 of giving vent to anger, this air nozzle connector 26 can be connected to cranked tire valve, this locking pin 27 is laterally inserted in this groove 25 of giving vent to anger along this groove 25 of giving vent to anger, this locking pin 27 is resisted against this air nozzle connector 26 simultaneously, to avoid this air nozzle connector 26 to depart from this body 20.
This body 20 is also concaved with an air inlet groove 28 in this air input part 22, this air inlet groove 28 is connected with each other logical with this air-flow path 23, this air inlet groove 28 is circular hole, in this air inlet groove 28, be provided with a locating piece 29, this locating piece 29 is laterally inserted in this air inlet groove 28 along this air inlet groove 28.
Shown in Fig. 3, for the utlity model has the sectional structure chart of the rapid air inflation connector protective gear of pressure gauge protector.This protective gear 30 is located at the air input part 22 of this body 20, this protective gear 30 includes a stacker 31, a sliding component 32, first elastic component 33 and second elastic component 34, this stacker 31 is cylindric, this stacker 31 can be inserted in this and gives vent to anger in groove 28 along this air inlet groove 28 is axially movable, make this stacker 31 optionally near or away from this body 20, in this stacker 31, be provided with a gas cylinder holding groove 311 and a slideway 312, this stacker 31 can connect gas cylinder by 311 groups of this gas cylinder holding grooves, this gas cylinder holding groove 311 is connected with each other logical with this slideway 312, this slideway 312 is positioned at this gas cylinder holding groove 311 near a side of this body 20, this stacker 31 is equipped with a gas-tight ring 313 and convexes with one against flange 314 in this slideway 312, should be positioned at this gas-tight ring 313 near a side of this body 20 against flange 314, this gas-tight ring 313 lean against flange 314 each other with this.
In this stacker 31, be also provided with a thimble 315, this thimble 315 is between this gas cylinder holding groove 311 and this slideway 312, and this thimble 315 is needlepoint shape in the side away from this body 20.Outside this stacker 31, be concaved with a limited impression 316,316 pairs of this limited impressions should body 20 locating piece 29, this locating piece 29 is optionally resisted against the both sides of this limited impression 316, with the moving range of avoiding this stacker 31 to depart from this body 20 and limit this stacker 31.
This sliding component 32 is being located in this slideway 312 of these stacker 31 slips relatively, this sliding component 32 is elongated rod shape, between the two ends of this sliding component 32, convex with an airtight flange 321, this airtight flange 321 is between this gas-tight ring 313 and this gas cylinder holding groove 311, these airtight flange 321 outer periphery width is radially not less than these gas-tight ring 313 inner circumference edges width radially, this airtight flange 321 is optionally resisted against this gas-tight ring 313, these slideway 312 sealings when this airtight flange 321 is resisted against this gas-tight ring 313, when this airtight flange 321 departs from this gas-tight ring 313, this slideway 312 is open.
This first elastic component 33 is located at this slideway 312 and is positioned at this gas-tight ring 313 away from a side of this body 20, the two ends of this first elastic component 33 are resisted against respectively the airtight flange 321 of this sliding component 32 and the thimble 315 of this stacker 31, and the airtight flange 321 that this first elastic component 33 can this sliding component 32 of pushing tow moves toward the direction of the gas-tight ring 313 near these stackers 31.
This second elastic component 34 is located at this slideway 312 and is positioned at this gas-tight ring 313 near a side of this body 20, the two ends of this second elastic component 34 are resisted against respectively the bottom with these body 20 air inlet grooves 28 against flange 314 of this stacker 31, and this second elastic component 34 can move toward the direction away from this body 20 by this stacker 31 of pushing tow.
Shown in Fig. 4 and Fig. 5, for the utlity model has the rapid air inflation connector protective gear of pressure gauge protector in the use phase diagram of primary importance.This gas-charging connection 10 in use; need first the portion of giving vent to anger 21 of this body 20 to be connected in to cranked tire valve via this air nozzle connector 26; and the air input part 22 of this body 20 is connected in gas cylinder via this protective gear 30, this gas-charging connection 10 can puncture by this thimble 315 sealing of gas cylinder.This protective gear 30 can move between primary importance and the second place, and this protective gear 30 is when primary importance, and this stacker 31 is away from this body 20, and this airtight flange 321 is resisted against this gas-tight ring 313, makes this slideway 312 sealings.Because of this protective gear 30, this slides into 312 sealings when the primary importance; make the high-pressure air of gas cylinder cannot directly enter this body 20; avoid high-pressure air directly to pour this body 20 and cause this pressure gauge 24 to damage because instantaneous pressure is too high, extending the working life of this pressure gauge 24.
Continue referring to shown in Fig. 6 to Fig. 8, for the utlity model has the rapid air inflation connector protective gear of pressure gauge protector in the use phase diagram of the second place.User can make this protective gear 30 move to the second place with this protective gear 30 of hand propulsion, and this protective gear 30 is when the second place, and this stacker 31 is near this body 20, and this airtight flange 321 departs from this gas-tight ring 313, makes this slideway 312 open.At this protective gear 30, by primary importance, moved in the process of the second place; this airtight flange 321 slowly departs from this gas-tight ring 313; gas in gas cylinder can enter via this slideway 312 air-flow path 23 of this body 20; finally make gas enter in this pressure gauge 24 and tire, make this gas-charging connection 10 can inflate simultaneously and measure the operation of pressure.
With reference to shown in Fig. 9 to Figure 11, for the utlity model has stereo appearance figure, three-dimensional exploded view and the sectional structure chart of the rapid air inflation connector of pressure gauge protector.Second embodiment of this case and first embodiment are roughly the same, Main Differences is that this body 20a is provided with a virtual axis L along the bearing of trend of this air-flow path 23a, this body 20a is also provided with a side canal 231a, this side canal 231a and this air-flow path 23a are connected with each other logical, this side canal 231a runs through the both sides of this body 20a along the direction of vertical this virtual axis L, this body 20a is provided with the groove 232a that dodges outward, this dodge groove 232a and this side canal 231a connected with each other logical, this groove 232a that dodges take this virtual axis L as the center of circle around this body 20a mono-week, this pressure gauge 24a is sheathed on outside this body 20a, the surface of this pressure gauge 24a is away from this virtual axis L, and this pressure gauge 24a can be take this virtual axis L and be rotated relative to this body 20a as axle center, in this pressure gauge 24a, be provided with an amount side canal 241a, this amount side canal 241a is to the groove 232a connected with each other logical that should dodge.This protective gear 30a is axially moving relative to this body 20a along this virtual axis L optionally.All the other structures of this gas-charging connection 10a are identical with first embodiment, at this, repeat no more.
This gas-charging connection 10a can also rotate this pressure gauge 24a when inflating, the surface of this pressure gauge 24a is gone to and is conducive to user behind appropriate location and observes pressure value, and this pressure gauge 24a can relative to this body 20a freely 360 degree rotate, while no matter inflating with this gas-charging connection 10a under any situation for user, all can arbitrarily this pressure gauge 24a be turned to optimal angle, increase the practicability of this pressure gauge 24a.
With regard to the above, can summarize and the utlity model has following advantage:
1. for the utlity model has the rapid air inflation connector of pressure gauge protector, wherein gas-charging connection includes a body and a protective gear, body is provided with give vent to anger portion and an air input part, body is also provided with an air-flow path between the portion of giving vent to anger and air input part, air-flow path is communicated with the portion of giving vent to anger and the air input part of body, body is also provided with a pressure gauge, manometric suction port and air-flow path are connected with each other logical, protective gear is located at the air input part of body, protective gear includes a stacker, a sliding component, first elastic component and second elastic component, in stacker, be provided with a gas cylinder holding groove and a slideway, gas cylinder holding groove and slideway are connected with each other logical, slideway is positioned at gas cylinder holding groove near a side of body, stacker is equipped with a gas-tight ring in slideway, sliding component is being located in slideway of stacker slip relatively, between the two ends of sliding component, convex with an airtight flange, airtight flange is between gas-tight ring and gas cylinder holding groove, airtight flange outer periphery edge width is radially not less than gas-tight ring inner circumference edge width radially, the first elastic component is located at slideway and is positioned at gas-tight ring away from a side of body, the second elastic component is located at slideway and is positioned at gas-tight ring near a side of body, protective gear can move between primary importance and the second place, protective gear is when primary importance, stacker is away from body, airtight flange is resisted against gas-tight ring, make slideway sealing, protective gear is when the second place, stacker is near body, airtight flange departs from gas-tight ring, make slideway open.Because protective gear slides into sealing when the primary importance, make the high-pressure air of gas cylinder directly enter body, avoid high-pressure air directly to pour body and cause pressure gauge to damage because instantaneous pressure is too high, extend manometric working life.

Claims (16)

1. a rapid air inflation connector with pressure gauge protector, its feature includes:
A body, this body is provided with give vent to anger portion and an air input part, this body is given vent to anger and between portion and this air input part, is also provided with an air-flow path in this, this air-flow path is communicated with the portion of giving vent to anger and the air input part of this body, this body is also provided with a pressure gauge, and this manometric suction port and this air-flow path are connected with each other logical;
A protective gear, this protective gear is located at the air input part of this body, this protective gear includes a stacker, a sliding component, first elastic component and second elastic component, in this stacker, be provided with a gas cylinder holding groove and a slideway, this gas cylinder holding groove and this slideway are connected with each other logical, this slideway is positioned at this gas cylinder holding groove near a side of this body, this stacker is equipped with a gas-tight ring in this slideway, this sliding component is being located in this slideway of this stacker slip relatively, between the two ends of this sliding component, convex with an airtight flange, this airtight flange is between this gas-tight ring and this gas cylinder holding groove, this airtight flange outer periphery edge width is radially not less than this gas-tight ring inner circumference edge width radially, this first elastic component is located at this slideway and is positioned at this gas-tight ring away from a side of this body, this second elastic component is located at this slideway and is positioned at this gas-tight ring near a side of this body, this protective gear can move between primary importance and the second place, this protective gear is when primary importance, this stacker is away from this body, this airtight flange is resisted against this gas-tight ring, make this slideway sealing, this protective gear is when the second place, this stacker is near this body, this airtight flange departs from this gas-tight ring, make this slideway open.
2. the rapid air inflation connector with pressure gauge protector according to claim 1; it is characterized in that; the two ends of this first elastic component are resisted against respectively this sliding component and this stacker; this first elastic component can this sliding component of pushing tow airtight flange toward the direction of the gas-tight ring near this stacker, move; the two ends of this second elastic component are resisted against respectively this stacker and this body, and this second elastic component can move toward the direction away from this body by this stacker of pushing tow.
3. the rapid air inflation connector with pressure gauge protector according to claim 2; it is characterized in that; this body is concaved with the groove of giving vent to anger in this portion of giving vent to anger; this give vent to anger groove and this air-flow path connected with each other logical; in this groove of giving vent to anger, be provided with an air nozzle connector; this air nozzle connector is axially inserted in this groove of giving vent to anger along this groove of giving vent to anger; this body is also concaved with an air inlet groove in this air input part; this air inlet groove and this air-flow path are connected with each other logical, and this stacker can be inserted in this and gives vent to anger in groove along this air inlet groove is axially movable.
4. the rapid air inflation connector with pressure gauge protector according to claim 3; it is characterized in that; in this air inlet groove, be provided with a locating piece; this locating piece is laterally inserted in this air inlet groove along this air inlet groove; this stacker is concaved with a limited impression outward; this limited impression is to locating piece that should body, and this locating piece is optionally resisted against the both sides of this limited impression.
5. the rapid air inflation connector with pressure gauge protector according to claim 4; it is characterized in that; in this groove of giving vent to anger, be provided with a locking pin, this locking pin is laterally inserted in this groove of giving vent to anger along this groove of giving vent to anger, and this locking pin is resisted against this air nozzle connector simultaneously.
6. the rapid air inflation connector with pressure gauge protector according to claim 5; it is characterized in that; this pressure gauge is in a side of this air-flow path and give vent to anger between portion and this air input part at this; this pressure gauge is in the form of annular discs, and the portion of giving vent to anger of this body and air input part are arranged along this manometric circumferencial direction respectively.
7. the rapid air inflation connector with pressure gauge protector according to claim 6, is characterized in that, these give vent to anger portion and this air input part each interval 90 degree, and this body is L font.
8. the rapid air inflation connector with pressure gauge protector according to claim 5; it is characterized in that; this stacker convexes with one against flange in this slideway; should be positioned at this gas-tight ring near a side of this body against flange; this gas-tight ring lean against flange each other with this; in this stacker, be also provided with a thimble, this thimble is between this gas cylinder holding groove and this slideway, and this thimble is needlepoint shape in the side away from this body.
9. the rapid air inflation connector with pressure gauge protector according to claim 8; it is characterized in that; the two ends of this first elastic component are resisted against respectively the airtight flange of this sliding component and the thimble of this stacker, and the two ends of this second elastic component are resisted against respectively the bottom against flange and this body air inlet groove of this stacker.
10. the rapid air inflation connector with pressure gauge protector according to claim 9, is characterized in that, this groove of giving vent to anger is circular hole, and this air inlet groove is circular hole, and this stacker is cylindric.
11. according to the rapid air inflation connector with pressure gauge protector described in any one in claim 1 to 10; it is characterized in that; this body is provided with a virtual axis along the bearing of trend of this air-flow path; this pressure gauge is sheathed on that this is external, and this pressure gauge can be take this virtual axis and be rotated relative to this body as axle center.
12. rapid air inflation connectors with pressure gauge protector according to claim 11; it is characterized in that; this body is also provided with a side canal; this side canal and this air-flow path are connected with each other logical; this body is provided with the groove of dodging outward; this dodge groove and this side canal connected with each other logical, in this pressure gauge, be provided with an amount side canal, this amount side canal is to dodging groove connected with each other leading to.
13. rapid air inflation connectors with pressure gauge protector according to claim 12, is characterized in that, this side canal runs through the both sides of this body along the direction of vertical this virtual axis.
14. rapid air inflation connectors with pressure gauge protector according to claim 12, is characterized in that, this groove of dodging take this virtual axis as the center of circle around this body one week, this pressure gauge can rotate relative to these body 360 degree.
15. rapid air inflation connectors with pressure gauge protector according to claim 12, is characterized in that, this manometric surface is away from this virtual axis.
16. rapid air inflation connectors with pressure gauge protector according to claim 12, is characterized in that, this protective gear is axially moving relative to this body along this virtual axis optionally.
CN201420377644.8U 2014-07-09 2014-07-09 The rapid air inflation connector with pressure gauge protector Expired - Fee Related CN203962348U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420377644.8U CN203962348U (en) 2014-07-09 2014-07-09 The rapid air inflation connector with pressure gauge protector

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420377644.8U CN203962348U (en) 2014-07-09 2014-07-09 The rapid air inflation connector with pressure gauge protector

Publications (1)

Publication Number Publication Date
CN203962348U true CN203962348U (en) 2014-11-26

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201420377644.8U Expired - Fee Related CN203962348U (en) 2014-07-09 2014-07-09 The rapid air inflation connector with pressure gauge protector

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109307152A (en) * 2017-07-28 2019-02-05 极点股份有限公司 Have fool proof gas-charging connection and its combination with high pressure gas cylinder
CN109812697A (en) * 2017-11-20 2019-05-28 吴树木 Rapid air inflation connector with pressure gauge
CN112776547A (en) * 2019-11-08 2021-05-11 极点股份有限公司 Special inflating joint for French air tap

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109307152A (en) * 2017-07-28 2019-02-05 极点股份有限公司 Have fool proof gas-charging connection and its combination with high pressure gas cylinder
CN109307152B (en) * 2017-07-28 2021-07-23 极点股份有限公司 Gas-filled joint with safety device and combination of gas-filled joint and high-pressure gas cylinder
CN109812697A (en) * 2017-11-20 2019-05-28 吴树木 Rapid air inflation connector with pressure gauge
CN112776547A (en) * 2019-11-08 2021-05-11 极点股份有限公司 Special inflating joint for French air tap

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GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20141126

Termination date: 20180709

CF01 Termination of patent right due to non-payment of annual fee