CN204985882U - Take inflation valve of relief valve function - Google Patents
Take inflation valve of relief valve function Download PDFInfo
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- CN204985882U CN204985882U CN201520616155.8U CN201520616155U CN204985882U CN 204985882 U CN204985882 U CN 204985882U CN 201520616155 U CN201520616155 U CN 201520616155U CN 204985882 U CN204985882 U CN 204985882U
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Abstract
The utility model relates to a take inflation valve of relief valve function, including the valve casing, upper chamber, lower chamber and second valve port have in the valve casing, can be connected with the valve gap on the valve casing with shirking, second valve port position department is equipped with aerifys the one -way valve core subassembly, its characterized in that: the top surface of valve gap is equipped with the exhaust chamber of indent, the bottom surface in exhaust chamber open have the valve gap screw on the valve casing the state down with the first valve port of upper chamber intercommunication, the exhaust intracavity is equipped with under the normality exhaust one -way valve core subassembly that first valve port was lived in the shutoff, under state on the valve casing was screwed to the valve gap, the valve gap touched and opens and aerify the one -way valve core subassembly so that upper chamber and lower chamber communicate. The valve gap is screwed on the valve casing, and exhaust one -way valve core subassembly reacts, and at this moment the inflation valve acts as the relief valve effect, and the valve gap leaves the valve casing, but the bleeding is filled in the inflation valve normal clear. This inflation valve has the dual -purpose function of a valve, can save to aerify original relief valve on the product, and reduce cost simplifies and aerifys the product structure.
Description
Technical field
The utility model relates to a kind of gas charging valve on inflatable product, particularly relates to the gas charging valve of band safety valve function.
Background technique
It is all provided with air valve for the equipment of comparatively large-scale needs inflation such as air mattress, inflatable dinghy.The kind of air valve is broadly divided into two classes according to purposes, one class is the gas charging valve in order to inflation, a kind of gas charging valve as disclosed in the patent No. Chinese utility model patent " a kind of gas charging valve " that is ZL201120322164.8 (notification number is CN202203458U), comprise housing, there is in housing the active chamber be communicated with working environment and the air-inlet cavity be in communication with the outside, be interconnected by valve port between active chamber and air-inlet cavity, valve port position is provided with inflation nonreturn valve core assembly, and inflation nonreturn valve core assembly only allows air to enter active chamber from air-inlet cavity.Another kind of is guarantee the inflation of inflatable product and the safety valve of use safety, during inflation, by safety valve energy releasing pressure automatically when air pressure as inflatable product inside is too high, prevent inflatable product from being filled quick-fried, this safety valve has certain cracking pressure, and when the pressure in salvage boat is greater than the cracking pressure of safety valve, pressure release opened by safety valve, when pressure is less than the cracking pressure of safety valve, safety valve cuts out.Conventional Direct spring loaded safety valve includes the valve body be threaded on valve seat, there is in valve body the active chamber be communicated with working environment and the exhaust cavity be in communication with the outside, be interconnected by valve port between active chamber and exhaust cavity, the valve rod held by spring is provided with in active chamber, pass the valve rod upper end after valve port and be provided with seal washer, under the action of the spring, valve rod is made to move down trend, and then make seal washer keep laminating valve port trend, active chamber and exhaust cavity are blocked, when the pressure in active chamber is higher than the support force of spring to valve rod, namely when working pressure is higher than base measuring pressure set by safety valve, air pressure or oil pressure can act on valve rod, make valve rod moves, and then the seal washer of band ovable valve stem upper end moves, too high pressure is just discharged to the external world by the gap between seal washer and valve port from exhaust cavity, pressure in active chamber reduces, when working pressure is lower than the support force of spring to valve rod, spring can be with again ovable valve stem to move down, valve port is closed by seal washer again, blocking-up active chamber is communicated with exhaust cavity.
Gas charging valve and safety valve are two independences and the product of function singleness, inflatable product arranges gas charging valve and safety valve becomes a kind of standard configuration, during inflation, one end of inflated hose is connected with gas-filled pump, the other end of inflated hose is connected with gas charging valve, and the inflated hose of this end can back down the nonreturn valve core on gas charging valve automatically, inflating.Gas-filled pump work is inflated inflatable product, and safety valve plays as too high in inflatable product air pressure inside, automatically can open exhaust, and pressure reduces, then safety valve cuts out.
Because existing inflatable product will arrange two kinds of valves, add the cost of inflatable product, in addition because the existence of two valves increases the rate of fault of inflatable product simultaneously, be also inconvenient to fold inflatable product.
Gas charging valve is filling in exhaust process, valve port is in normally open, the filtration that gas charging valve inside does not prevent impurity from entering, filtration is that the perisporium of air-inlet cavity is provided with many and axially arranges and circumferentially spaced apart air hole, the perisporium being provided with air hole plays and necessarily stops that impurity enters the effect in valve body, but in the inflatable product that some is special, such as surfboard, there is a lot of fine rule the inside, these fine rules are when air bag is rolled-up, can be in a mess or cut-off by what twine, fine rule probably snaps on the pad of air valve, once fine rule snaps onto on the pad of air valve, Valve leakage will be caused.
Model utility content
Technical problem to be solved in the utility model provides a kind of gas charging valve simultaneously with the band safety valve function of gas charging valve and safety valve function for above-mentioned prior art present situation, adopt the inflatable product of this gas charging valve can save safety valve structure on original inflatable product, reduce costs, simplify inflatable product structure.
The utility model solves the problems of the technologies described above adopted technological scheme: a kind of gas charging valve with safety valve function, include valve casing, there is in valve casing upper gas chamber and lower chamber, be interconnected by the second valve port between upper gas chamber and lower chamber, valve casing is releasably connected with the valve gap in order to be covered by upper gas chamber, the second valve port position is provided with inflation nonreturn valve core assembly; It is characterized in that: the end face of described valve gap is provided with the exhaust cavity of indent, the first valve port that the bottom surface of exhaust cavity is communicated with upper gas chamber under having the state be tightened at valve gap on valve casing, the exhaust check valve core assembly blocking the first valve port is under normal conditions provided with in exhaust cavity, be tightened on the state on valve casing at valve gap under, described valve gap touches and opens inflation nonreturn valve core assembly and is communicated with lower chamber to make upper gas chamber.
Above-mentioned exhaust check valve core assembly comprises the first valve rod and the first spring, described first valve handle activity is located in the bottom surface of exhaust cavity, the upper end of valve rod is connected with the first sealing gasket in order to shutoff first valve port, first sealing gasket is positioned at exhaust cavity, the lower end of described first valve rod is fixed with spring seat, described first spring housing to be located on the first valve rod and to be positioned at the below of exhaust cavity, and the first spring action keeps moving down blocking described first valve port trend in spring seat to make the first sealing gasket on the first valve rod.This exhaust check valve core assembly is simple and reasonable, is convenient to assembling.
Above-mentioned exhaust cavity is provided with the lid covered by exhaust cavity opening, the end face of lid has multiple connection exhaust cavity and extraneous exhaust port.Arranging lid can be hidden in exhaust cavity by exhaust check valve core assembly, and do not expose, exhaust cavity is in communication with the outside by exhaust port, also can effectively prevent introduced contaminants from entering exhaust cavity, avoid because of impurity be shelved on bottom the first sealing gasket and exhaust cavity between cause gas leakage.
For ease of forming out upper gas chamber and lower chamber in valve casing, above-mentioned valve casing comprises shell and inner casing, and inner casing is threaded in the cavity of shell, and described second valve port and upper gas chamber are arranged on inner casing, and the cavity of shell then forms described lower chamber.
Above-mentioned inflation nonreturn valve core assembly comprises the second valve rod and the second spring, described second valve handle activity be located in be positioned at the second valve port connecting tendon on, the lower end of the second valve rod is connected with the Sealing with shutoff second valve port, Sealing is positioned at lower chamber, the upper end of described second valve rod is fixed with position stop piece, described second spring housing to be located on the second valve rod and to be positioned at upper gas chamber, and the position stop piece of this second spring action on the second valve rod keeps moving blocking described second valve port trend to make the Sealing on the second valve rod; Be provided with the promotion bar in order to coordinate with described second valve rod upper-end surface in described valve gap, under the state that valve gap is tightened on valve casing, the promotion bar in described valve gap touches the second valve rod and moves down, and the Sealing on the second valve rod is moved down open described second valve port.This inflation nonreturn valve core modular construction advantages of simple, is coordinated with the shake-up of valve rod by the promotion bar in valve gap, just can open valve port.
The bottom of above-mentioned valve gap has annular insertion part, annular insertion part is positioned at the below of exhaust cavity, described promotion bar is arranged on the inwall of annular insertion part, the perisporium of annular insertion part has the spiral chute of joining with described connecting tendon card, is provided with seal ring between valve gap and the top of upper gas chamber.Valve gap and valve casing adopt buckle to be connected, and have advantage easy to connect, and annular insertion part provides rational installing space to promotion bar in addition.
Above-mentioned Sealing comprises the sealing cover be made up of hard material being connected to the second valve rod lower end, and sealing cover is provided with the second sealing gasket in order to coordinate with sealing valve port; Described sealing cover upper surface is provided with the mounting groove of annular, described second sealing gasket embeds in this mounting groove, the lower end periphery of the second valve rod has annular shoulder block, second sealing gasket is compressed in mounting groove by the part that this annular shoulder block covers in mounting groove, and the upper surface of the outer periphery of the second sealing gasket exposes mounting groove can coordinate with the lower end surface of the second valve port.Sealing gasket is under the effect of contraction of mounting groove and annular shoulder block, not only restrained in the vertical direction, also the periphery wall circumference constraint of mounted groove, even if air valve uses under hyperbaric environment, sealing gasket also can not depart from sealing cover by radially outward, and air valve uses safer.The sucker shape valve structure that certain Sealing also can adopt flexible material to make.
The perisporium of above-mentioned lower chamber is provided with many and is communicated with air hole that is extraneous and lower chamber; The periphery of described lower chamber and bottom are coated with the meshed guard of tool, and guard is releasably fixed on outside lower chamber, and described air hole is blocked by described guard completely.Be coated on the meshed guard of tool of the periphery of lower chamber, play barrier effect to impurity, prevent impurity from entering in inflatable product, the mesh on air hole and guard ensures enough Throughputs; In addition, some special air bag, such as surfboard, there is a lot of fine rule the inside, has had this guard, because mesh is tiny, these fine rules, when air bag is rolled-up, also can not enters in lower chamber through mesh, stop because fine rule snaps onto problem nonreturn valve core assembly causing Valve leakage.
The opening of above-mentioned guard is fixed on retaining ring, and described retaining ring is sheathed and be fixed on outside the perisporium of lower chamber by buckle structure.This guard is fixed on valve body by retaining ring is removable lining, and to realize the detachable connection of guard and valve body, its guard is fixed simple and convenient, and the mode that can certainly be threaded connection and valve body are fixed.
The bulge loop of ring-type is formed outside the perisporium of above-mentioned lower chamber, the inner circle wall of described retaining ring forms the ringwise interior omoplate of a circle, and multiple circumferentially spaced apart card muscle, card muscle is positioned at the top of omoplate, the end face radially downward-sloping setting gradually inwardly of card muscle, between the bottom surface of card muscle and the upper side face of interior omoplate, interval arranges and is formed for the bulge loop blocking draw-in groove in it.Because the end face of card muscle is inclined-plane, during assembling, only need upwardly retaining ring, just can bulge loop be snapped in draw-in groove, again because card muscle has multiple, therefore conveniently bulge loop is upwards departed from from card muscle, be convenient to the dismounting of retaining ring.
Compared with prior art, the utility model has the advantage of: in the exhaust cavity of valve gap, be provided with exhaust check valve core assembly, be tightened on the state on valve casing at valve gap under, valve gap touches and opens inflation nonreturn valve core assembly and is communicated with lower chamber to make upper gas chamber, at this moment gas charging valve just plays the effect of safety valve, when inflatable product air pressure inside is greater than to the power that spring seat applies the power that the first spring applies the first spring seat, then the first valve rod moves and open the first valve port, inflatable product air pressure inside is via lower chamber, second valve port, extraneous finally by being discharged by the first valve port after upper gas chamber, until inflatable product air pressure inside is reduced to level of security, first valve rod moves down under the action of the spring, first sealing gasket blocks the first valve port again, when valve gap leaves valve casing, renovate no longer to shake-up inflation nonreturn valve core assembly, inflation nonreturn valve core assembly resets and blocks the second valve port, and gas charging valve can normally carry out filling bleeding.This gas charging valve has a valve double-purpose functional, can save original safety valve on inflatable product, reduce costs, and simplifies inflatable product structure.
Accompanying drawing explanation
Fig. 1 is the perspective view of the utility model embodiment;
Fig. 2 is the sectional view of the utility model embodiment;
Fig. 3 is the three-dimensional exploded view of the utility model embodiment;
Fig. 4 is the perspective view of valve gap in the utility model embodiment;
Fig. 5 is the perspective view of inner casing in the utility model embodiment;
Fig. 6 is the plan view with the guard of retaining ring in the utility model embodiment.
Embodiment
Below in conjunction with accompanying drawing, embodiment is described in further detail the utility model.
As shown in figs. 1 to 6, be a preferred embodiment of the present utility model.
A kind of gas charging valve with safety valve function, comprise valve casing 1, there is in valve casing 1 upper gas chamber 11 and lower chamber 12, be interconnected by the second valve port 13 between upper gas chamber 11 and lower chamber 12, valve gap 3, second valve port 13 position valve casing 1 is releasably connected with in order to be covered by upper gas chamber 11 is provided with inflation nonreturn valve core assembly.Valve casing 1 comprises shell 15 and inner casing 16, and inner casing 16 is threaded in the cavity of shell 15, and the second valve port 13 and upper gas chamber 11 are arranged on inner casing 16, and the cavity of shell 15 then forms lower chamber 12.
The end face of valve gap 3 is provided with the exhaust cavity 31 of indent, and exhaust cavity 31 is provided with the lid 6 covered by exhaust cavity 31 opening, the end face of lid 6 has multiple connection exhaust cavity 31 and extraneous exhaust port 61.The first valve port 32 be communicated with upper gas chamber 11 under the bottom surface of exhaust cavity 31 has the state be tightened on valve casing 1 at valve gap 3, the exhaust check valve core assembly blocking the first valve port is under normal conditions provided with in exhaust cavity, under the state that valve gap 3 is tightened on valve casing 1, valve gap 3 touches and opens inflation nonreturn valve core assembly and is communicated with lower chamber 12 to make upper gas chamber 11.
Exhaust check valve core assembly comprises the first valve rod 2 and the first spring 4, first valve rod 2 activity is located in the bottom surface of exhaust cavity 31, the upper end of valve rod 2 is connected with the first sealing gasket 5 in order to shutoff first valve port 32, first sealing gasket 5 is positioned at exhaust cavity 31, the lower end of the first valve rod 2 is fixed with spring seat 21, first spring 4 to be set on the first valve rod 2 and to be positioned at the below of exhaust cavity 31, and the first spring 4 acts on spring seat 21 and keeps moving down blocking the first valve port 32 trend to make the first sealing gasket 5 on the first valve rod 2.
Inflation nonreturn valve core assembly comprises the second valve rod 7 and the second spring 8, second valve rod 7 activity be located in be positioned at the second valve port 13 connecting tendon 14 on, the lower end of the second valve rod 7 is connected with the Sealing with shutoff second valve port 13, Sealing is positioned at lower chamber 12, the upper end of the second valve rod 7 is fixed with position stop piece 9, second spring 8 to be set on the second valve rod 7 and to be positioned at upper gas chamber 11, and the position stop piece 9 that this second spring 8 acts on the second valve rod 7 keeps moving blocking the second valve port 13 trend to make the Sealing on the second valve rod 7; Be provided with the promotion bar 33 in order to coordinate with the second valve rod 7 upper-end surface in valve gap 3, under the state that valve gap 3 is tightened on valve casing 1, the promotion bar 33 in valve gap 3 touches the second valve rod 7 and moves down, and the Sealing on the second valve rod 7 is moved down open the second valve port 13.
The bottom of valve gap 3 has annular insertion part 34, consider from product forming technique angle, annular insertion part 34 is split part with renovating 3, annular insertion part 34 is threaded in the lower end of valve gap 3, be adhesively fixed by glue, annular insertion part 34 is positioned at the below of exhaust cavity again, promotes the inwall that bar 33 is arranged on annular insertion part, the perisporium of annular insertion part 34 has and blocks the spiral chute 35 of joining with connecting tendon 14, between the top of valve gap 3 and upper gas chamber 11, be provided with seal ring 36.
Sealing comprises the sealing cover 10 be made up of hard material being connected to the second valve rod 7 lower end, and sealing cover 10 is provided with the second sealing gasket 17 in order to be sealed and matched with the second valve port 13; Sealing cover 10 upper surface is provided with the mounting groove 101 of annular, second sealing gasket 17 embeds in this mounting groove 101, the lower end periphery of the second valve rod 7 has annular shoulder block 71, second sealing gasket 17 is compressed in mounting groove 101 by the part that this annular shoulder block 71 covers in mounting groove 101, and the upper surface of the outer periphery of the second sealing gasket 17 exposes mounting groove 101 can coordinate with the lower end surface of the second valve port 13.
The perisporium of lower chamber 12 is provided with many and is communicated with air hole 121 that is extraneous and lower chamber; The periphery of lower chamber 12 and bottom are coated with the guard 18 with mesh 181, and guard 18 is releasably fixed on outside lower chamber 12, and air hole 121 is blocked by guard 18 completely.The opening of guard 18 is fixed on retaining ring 19, and together with guard 18 is one-body molded with retaining ring 19, retaining ring 19 is sheathed and be fixed on by buckle structure outside the perisporium of lower chamber 12.
The bulge loop 122 of ring-type is formed outside the perisporium of lower chamber 12, the inner circle wall of retaining ring 19 forms the ringwise interior omoplate 191 of a circle, and multiple circumferentially spaced apart card muscle 192, card muscle 192 is positioned at the top of omoplate 191, the end face 1921 radially downward-sloping setting gradually inwardly of card muscle 192, between the bottom surface of card muscle 192 and the upper side face of interior omoplate 191, interval arranges and is formed for the bulge loop 122 blocking draw-in groove in it.
Be tightened on the state on valve casing at valve gap 3 under, promotion bar 33 in valve gap 3 touches the second valve rod 7 and moves down, Sealing on second valve rod 7 moves down opens the second valve port 13, be communicated with lower chamber 12 by the second valve port 13 to make upper gas chamber 11, at this moment gas charging valve just plays the effect of safety valve, when inflatable product air pressure inside is greater than to the power that spring seat 21 applies the power that the first spring 4 applies the first spring seat 21, then the first valve rod 2 moves and open the first valve port 32, inflatable product air pressure inside is via lower chamber 12, second valve port 13, after upper gas chamber, 11 discharge the external world finally by by the first valve port 32, until inflatable product air pressure inside is reduced to level of security, first valve rod 2 moves down reset under the first spring 4 acts on, first sealing gasket 5 blocks the first valve port 32 again, when valve gap 3 leaves valve casing 1, the promotion bar 33 renovated in 3 no longer resets to shake-up second valve rod 7, second valve rod 7 and makes the Sealing on it block the second valve port 13, and gas charging valve can normally carry out filling bleeding.
This gas charging valve has a valve double-purpose functional, can save original safety valve on inflatable product, reduce costs, and simplifies inflatable product structure.
Although more than describe in detail preferred embodiment of the present utility model, should be expressly understood that, for a person skilled in the art, the utility model can have various modifications and variations.All do within spirit of the present utility model and principle any amendment, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (10)
1. the gas charging valve with safety valve function, comprise valve casing (1), there is in valve casing (1) upper gas chamber (11) and lower chamber (12), be interconnected by the second valve port (13) between upper gas chamber (11) and lower chamber (12), valve casing (1) is releasably connected with the valve gap (3) in order to be covered by upper gas chamber (11), the second valve port (13) position is provided with inflation nonreturn valve core assembly, it is characterized in that: the end face of described valve gap (3) is provided with the exhaust cavity (31) of indent, the first valve port (32) be communicated with upper gas chamber (11) under the bottom surface of exhaust cavity (31) has the state be tightened on valve casing (1) at valve gap (3), the exhaust check valve core assembly blocking the first valve port (32) is under normal conditions provided with in exhaust cavity (31), under the state that valve gap (3) is tightened on valve casing (1), described valve gap (3) touches and opens inflation nonreturn valve core assembly and is communicated with lower chamber (12) to make upper gas chamber (11).
2. be with the gas charging valve of safety valve function according to claim 1, it is characterized in that: described exhaust check valve core assembly comprises the first valve rod (2) and the first spring (4), the activity of described first valve rod (2) is located in the bottom surface of exhaust cavity (31), the upper end of valve rod (2) is connected with the first sealing gasket (5) in order to shutoff first valve port (32), first sealing gasket (5) is positioned at exhaust cavity (31), the lower end of described first valve rod (2) is fixed with spring seat (21), described first spring (4) is set in the first valve rod (2) and goes up and be positioned at the below of exhaust cavity (31), first spring (4) acts on spring seat (21) and keeps moving down blocking described first valve port (32) trend to make the first sealing gasket (5) on the first valve rod (2).
3. be with the gas charging valve of safety valve function according to claim 1, it is characterized in that: described exhaust cavity (31) is provided with the lid (6) covered by exhaust cavity (31) opening, the end face of lid (6) has multiple connection exhaust cavity (31) and extraneous exhaust port (61).
4. be with the gas charging valve of safety valve function according to claim 1, it is characterized in that: described valve casing (1) comprises shell (15) and inner casing (16), inner casing (16) is threaded in the cavity of shell (15), described second valve port (13) and upper gas chamber (11) are arranged on inner casing (16), and the cavity of described shell (15) then forms described lower chamber (12).
5. be with the gas charging valve of safety valve function according to claim 1, it is characterized in that: described inflation nonreturn valve core assembly comprises the second valve rod (7) and the second spring (8), the activity of described second valve rod (7) be located in be positioned at the second valve port (13) connecting tendon (14) on, the lower end of the second valve rod (7) is connected with the Sealing with shutoff second valve port (13), Sealing is positioned at lower chamber (12), the upper end of described second valve rod (7) is fixed with position stop piece (9), described second spring (8) is set in the second valve rod (7) and goes up and be positioned at upper gas chamber (11), the position stop piece (9) that this second spring (8) acts on the second valve rod (7) keeps moving blocking described second valve port (13) trend to make the Sealing on the second valve rod (7), the promotion bar (33) in order to coordinate with described second valve rod (7) upper-end surface is provided with in described valve gap (3), under the state that valve gap (3) is tightened on valve casing (1), promotion bar (33) in described valve gap (3) touches the second valve rod (7) and moves down, and the Sealing on the second valve rod (7) is moved down open described second valve port (13).
6. be with the gas charging valve of safety valve function according to claim 5, it is characterized in that: the bottom of described valve gap (3) has annular insertion part (34), annular insertion part (34) is positioned at the below of exhaust cavity, described promotion bar (33) is arranged on the inwall of annular insertion part, the perisporium of annular insertion part (34) has the spiral chute (35) blocking with described connecting tendon (14) and join, between the top of valve gap (3) and upper gas chamber (11), is provided with seal ring (36).
7. be with the gas charging valve of safety valve function according to claim 5, it is characterized in that: described Sealing comprises the sealing cover (10) be made up of hard material being connected to the second valve rod (7) lower end, sealing cover (10) is provided with the second sealing gasket (17) in order to be sealed and matched with the second valve port (13); Described sealing cover (10) upper surface is provided with the mounting groove (101) of annular, described second sealing gasket (17) embeds in this mounting groove (101), the lower end periphery of the second valve rod (7) has annular shoulder block (71), second sealing gasket (17) is compressed in mounting groove (101) by the part that this annular shoulder block (71) covers in mounting groove (101), and the upper surface of the outer periphery of the second sealing gasket (17) exposes mounting groove (101) can coordinate with the lower end surface of the second valve port (13).
8. according to the gas charging valve of the arbitrary described band safety valve function of claim 1 ~ 7, it is characterized in that: the perisporium of described lower chamber (12) is provided with many and is communicated with air hole (121) that is extraneous and lower chamber; The periphery of described lower chamber (12) and bottom are coated with the guard (18) with mesh (181), guard (18) is releasably fixed on lower chamber (12) outward, and described air hole (121) is blocked by described guard (18) completely.
9. be with the gas charging valve of safety valve function according to claim 8, it is characterized in that: the opening of described guard (18) is fixed on retaining ring (19), described retaining ring (19) is sheathed and be fixed on by buckle structure outside the perisporium of lower chamber (12).
10. be with the gas charging valve of safety valve function according to claim 9, it is characterized in that: the bulge loop (122) forming ring-type outside the perisporium of described lower chamber (12), the inner circle wall of described retaining ring (19) forms the ringwise interior omoplate (191) of a circle, and multiple circumferentially spaced apart card muscle (192), card muscle (192) is positioned at the top of omoplate (191), end face (1921) the radially downward-sloping setting gradually inwardly of card muscle (192), between the bottom surface of card muscle (192) and the upper side face of interior omoplate (191), interval arranges and is formed for the draw-in groove of bulge loop (122) blocking in it.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520616155.8U CN204985882U (en) | 2015-08-14 | 2015-08-14 | Take inflation valve of relief valve function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520616155.8U CN204985882U (en) | 2015-08-14 | 2015-08-14 | Take inflation valve of relief valve function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204985882U true CN204985882U (en) | 2016-01-20 |
Family
ID=55120250
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520616155.8U Withdrawn - After Issue CN204985882U (en) | 2015-08-14 | 2015-08-14 | Take inflation valve of relief valve function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204985882U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105179761A (en) * | 2015-08-14 | 2015-12-23 | 宁波布拉沃冲气具制造有限公司 | Inflation valve with safety valve function |
-
2015
- 2015-08-14 CN CN201520616155.8U patent/CN204985882U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105179761A (en) * | 2015-08-14 | 2015-12-23 | 宁波布拉沃冲气具制造有限公司 | Inflation valve with safety valve function |
| WO2017028463A1 (en) * | 2015-08-14 | 2017-02-23 | 宁波布拉沃冲气具制造有限公司 | Inflation valve having safety valve function |
| CN105179761B (en) * | 2015-08-14 | 2017-11-07 | 宁波布拉沃冲气具制造有限公司 | Charge valve with safety valve function |
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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 | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20160120 Effective date of abandoning: 20171107 |