CN201461988U - Automatic exhaust valve - Google Patents

Automatic exhaust valve Download PDF

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Publication number
CN201461988U
CN201461988U CN2009201174378U CN200920117437U CN201461988U CN 201461988 U CN201461988 U CN 201461988U CN 2009201174378 U CN2009201174378 U CN 2009201174378U CN 200920117437 U CN200920117437 U CN 200920117437U CN 201461988 U CN201461988 U CN 201461988U
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CN
China
Prior art keywords
valve core
exhaust
valve body
core print
pad
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
CN2009201174378U
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Chinese (zh)
Inventor
王高能
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.)
Taizhou Hengjie Cuprum Industry Co Ltd
Original Assignee
Taizhou Hengjie Cuprum Industry 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 Taizhou Hengjie Cuprum Industry Co Ltd filed Critical Taizhou Hengjie Cuprum Industry Co Ltd
Priority to CN2009201174378U priority Critical patent/CN201461988U/en
Application granted granted Critical
Publication of CN201461988U publication Critical patent/CN201461988U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model relates to an automatic exhaust valve comprising a regulating valve core, a regulating valve core seat, gaskets, a valve body, a steel ball, a spring and an exhaust spring seat. The regulating valve core is arranged in the regulating valve core seat; the gaskets is arranged in a cavity formed by the regulating valve core and the regulating valve core seat; the regulating valve core seat is arranged in the valve body; the exhaust spring seat is arranged in a hole positioned at the other end of the valve body; the steel ball and the spring are arranged in a space cavity formed by the valve body and the exhaust spring seat; after the regulating valve core seat is arranged and positioned in the valve body, a top rod can be positioned in a top rod and ventilation hole and a top rod hole, the top rod of the regulating valve core supports against and contacts the steel ball by rotating the regulating valve core, and the tightness of a plurality of the gaskets is regulated. The automatic exhaust valve thoroughly solves the problem that the exhaust valve of the traditional heating system needs manual exhaust, which is a waste of time and labor; and the automatic exhaust valve has the advantages of simple structure, convenient manufacture and use, reliable property, low cost and very high creativity and practicality.

Description

Automatic control pressure vent
Technical field the utility model relates to a kind of automatic control pressure vent, belongs to the heating equipment product technical field.
Background technique at present on heating system employed outlet valve be to adopt the manually operated type valve, this manually operated type drain tap promptly is set on the hot water pipe of heating system, adopt the regularly exhaust of artificial mode, during exhaust with manually opening the exhaust of manually operated type valve, can also hear the sound of current during exhaust, cumbersome, if not exhaust, the then existence of gas because the heating system pipeline is interior, then can influence normal heating, influence the normal heating effect of heating system, and must the exhaust personnel during exhaust on the scene, can not leave, because in case the people leaves, when exhaust was finished, hot water will overflow, so exhaust work personnel's workload also is very big.
Summary of the invention the utility model provides a kind of automatic control pressure vent of novelty, adopts the automatic draining technology of the little gas in pad gap, realizes the self-bleeding purpose of heating system pipeline.
The technical solution adopted in the utility model is:
A kind of automatic control pressure vent, comprise: regulating spool 1, modulating valve core print seat 6, pad 7, valve body 8, steel ball 9, spring 10, exhaust spring seat 11, regulating spool 1 is installed in the modulating valve core print seat 6, in regulating spool 1 and modulating valve core print seat 6 formed cavitys, pad 7 is installed, pad 7 is made of a plurality of pad stack combinations, pad 7 after a plurality of pad stack combinations is set in the push rod 102 of regulating spool 1, modulating valve core print seat 6 is installed in the valve body 8, exhaust spring seat 11 is installed in another stomidium of valve body 8, steel ball 9, spring 10 is installed in the space cavity that is made of valve body 8 and exhaust spring seat 11, when modulating valve core print seat 6 in valve body 8 after the installing and locating, push rod 102 should be able to be arranged in push rod and vent 61 and jogger hole 84, the diameter of push rod 102 is respectively less than the diameter of push rod and vent 61 with jogger hole 84, by rotating regulating spool 1, the push rod 102 of regulating spool 1 is contacted mutually with steel ball 9, realize the closure or openness of 9 pairs of jogger holes 84 of steel ball, and the elasticity between a plurality of pads in the adjusting pad 7, after modulating valve core print seat 6 and valve body 8 were installed, rod radial air vent 81 was connected with circumference rod radial air vent 62 by vertical air vent 63.
Regulating spool 1 comprises: adjustment disk 101, push rod 102, screw thread 103, convex shoulder or groove 104 structures, regulating spool 1 is by screw thread on the adjustment disk 101 103 and 6 connections of modulating valve core print seat, and the rotations adjusting in modulating valve core print seat 6, thereby make that regulating spool 1 can moving axially along modulating valve core print seat 6 in modulating valve core print seat 6 by convex shoulder on the rotation adjustment disk 101 or groove 104 realization regulating spools 1.
Modulating valve core print seat 6 comprises: push rod and vent 61, circumference rod radial air vent 62, vertical air vent 63, adjustment disk mounting hole 64, pad mounting hole 65 structures, offer the circumference rod radial air vent 62 of three long strips at the medium position of modulating valve core print seat 6, circumference rod radial air vent 62 offer the medium position that the position is positioned at pad 7, surperficial equal angles at modulating valve core print seat 6 and the connecting thread of valve body 8 is processed with three plane vertical air vents 63, when modulating valve core print seat 6 is connected with valve body 8, will form three exhaust clearances in the threaded connection place of the two.
Pad 7 is the circular pad chip structure of band circular gasket endoporus 71, is made of three to ten thin type pad stacks, and the material of pad 7 is plasticity or paper material.
Valve body 8 comprises: rod radial air vent 81, annular row air drain 82, modulating valve core print seat mounting hole 83, jogger hole 84, steel ball and spring mounting hole 85, exhaust spring seat mounting hole 86 structures, be provided with three rod radial air vents 81 at valve body 8, rod radial air vent 81 communicates with annular row air drain 82.
Exhaust spring seat 11 is cylindric hollow-core construction, comprise in the hollow-core construction: exhaust and spring eye 111, exhaust port 112 structures, exhaust port 112 diameters are less than exhaust and spring eye 111 diameters, are connected for interference fit between exhaust spring seat 11 and the valve body 8 or worm structure connects.
Vinyl cover 4 also is installed on valve body 8, vinyl cover 4 comprises: cover hole 41, annular ring 42, exhaust nozzle 43 structures, vinyl cover 4 is positioned at the outside of annular row air drain 82 and constitutes a ring seal groove with annular row air drain 82, and the gas of discharging from the rod radial air vent 81 of valve body 8 is discharged from exhaust nozzle 43 by this ring seal groove.
The automatic control pressure vent integral installation is provided with seal ring 5 between the outside of valve body 8 and heating system structure in the heating system structure, be provided with seal ring 2 and seal ring 3 between modulating valve core print seat 6 and the valve body 8.
The utility model beneficial effect is:
Owing to adopted automatic control pressure vent of the present utility model, thoroughly solved the problem that the outlet valve of existing heating system needs artificial exhaust to waste time and energy, automatic control pressure vent has simple in structure, make easy to use, reliable performance, characteristics with low cost have very strong creativeness and practicability, thereby market prospects are boundless.
Description of drawings
Fig. 1: the whole-cutaway view that is the utility model automatic control pressure vent;
Fig. 2: the plan view that is the regulating spool of the utility model automatic control pressure vent;
Fig. 3: the left view that is Fig. 2;
Fig. 4: the sectional view that is the modulating valve core print seat of the utility model automatic control pressure vent;
Fig. 5: the left view that is Fig. 4;
Fig. 6: the A-A sectional view that is the modulating valve core print seat of the utility model automatic control pressure vent;
Fig. 7: the plan view that is the valve body of the utility model automatic control pressure vent;
Fig. 8: the left view that is Fig. 7;
Fig. 9: the sectional view that is the valve body of the utility model automatic control pressure vent;
Figure 10: the sectional view that is the vinyl cover of the utility model automatic control pressure vent;
Figure 11: the plan view that is the vinyl cover of the utility model automatic control pressure vent;
Figure 12: the half sectional view that is the exhaust spring seat of the utility model automatic control pressure vent;
Figure 13: the plan view that is the pad of the utility model automatic control pressure vent;
Figure 14: the sectional view that is the pad of the utility model automatic control pressure vent.
Among Fig. 1: 1, regulating spool 2, seal ring 3, seal ring 4, vinyl cover
5, seal ring 6, modulating valve core print seat 7, pad 8, valve body
9, steel ball 10, spring 11, exhaust spring seat
Among Fig. 2: 1, regulating spool 101, adjustment disk
103, screw thread 104, convex shoulder or groove
Among Fig. 3: 1, regulating spool 101, adjustment disk 102, push rod
103, screw thread 104, convex shoulder or groove
Among Fig. 4: 6, modulating valve core print seat 61, push rod and vent 62, circumference rod radial air vent
63, vertical air vent 64, adjustment disk mounting hole 65, pad mounting hole
Among Fig. 5: 6, modulating valve core print seat 61, push rod and vent 63, vertical air vent
Among Fig. 6: 61, push rod and vent 62, circumference rod radial air vent 63, vertical air vent
Among Fig. 7: 8, valve body 81, rod radial air vent 82, annular row air drain
Among Fig. 8: 8, valve body 84, jogger hole
Among Fig. 9: 8, valve body 81, rod radial air vent 82, annular row air drain
83, modulating valve core print seat mounting hole 84, jogger hole
85, steel ball and spring mounting hole 86, exhaust spring seat mounting hole
Among Figure 10,11: 4, vinyl cover 41, cover hole 42, annular ring 43, exhaust nozzle
Among Figure 12: 11, exhaust spring seat 111, exhaust and spring eye 112, exhaust port
Among Figure 13,14: 7, pad 71, pad endoporus
Embodiment
As Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6, Fig. 7, Fig. 8, Fig. 9, Figure 10, Figure 11, Figure 12, Figure 13, shown in Figure 14.
Automatic control pressure vent, by: regulating spool 1, seal ring 2, seal ring 3, vinyl cover 4, seal ring 5, modulating valve core print seat 6, pad 7, valve body 8, steel ball 9, spring 10,11 of exhaust spring seats are formed.
Regulating spool 1, by: adjustment disk 101, push rod 102, screw thread 103, convex shoulder or groove 104 structures are constituted.
Modulating valve core print seat 6, by: push rod and vent 61, circumference rod radial air vent 62, vertical air vent 63, adjustment disk mounting hole 64, pad mounting hole 65 structures are constituted.
Valve body 8, by: rod radial air vent 81, annular row air drain 82, modulating valve core print seat mounting hole 83, jogger hole 84, steel ball and spring mounting hole 85, exhaust spring seat mounting hole 86 structures are constituted.
Vinyl cover 4, by: cover hole 41, annular ring 42, exhaust nozzle 43 structures are constituted.
Exhaust spring seat 11, by: exhaust and spring eye 111, exhaust port 112 structures are constituted.
Pad 7 comprises: pad endoporus 71 structures.
A kind of automatic control pressure vent, comprise: regulating spool 1, modulating valve core print seat 6, pad 7, valve body 8, steel ball 9, spring 10, exhaust spring seat 11, regulating spool 1 is installed in the modulating valve core print seat 6, in regulating spool 1 and modulating valve core print seat 6 formed cavitys, pad 7 is installed, pad 7 is made of a plurality of pad stack combinations, pad 7 after a plurality of pad stack combinations is set in the push rod 102 of regulating spool 1, modulating valve core print seat 6 is installed in the valve body 8, exhaust spring seat 11 is installed in another stomidium of valve body 8, steel ball 9, spring 10 is installed in the space cavity that is made of valve body 8 and exhaust spring seat 11, when modulating valve core print seat 6 in valve body 8 after the installing and locating, push rod 102 should be able to be arranged in push rod and vent 61 and jogger hole 84, the diameter of push rod 102 is respectively less than the diameter of push rod and vent 61 with jogger hole 84, by rotating regulating spool 1, the push rod 102 of regulating spool 1 is contacted mutually with steel ball 9, realize the closure or openness of 9 pairs of jogger holes 84 of steel ball, and the elasticity between a plurality of pads in the adjusting pad 7, after modulating valve core print seat 6 and valve body 8 were installed, rod radial air vent 81 was connected with circumference rod radial air vent 62 by vertical air vent 63.
Regulating spool 1 comprises: adjustment disk 101, push rod 102, screw thread 103, convex shoulder or groove 104 structures, regulating spool 1 is by screw thread on the adjustment disk 101 103 and 6 connections of modulating valve core print seat, and the rotations adjusting in modulating valve core print seat 6, thereby make that regulating spool 1 can moving axially along modulating valve core print seat 6 in modulating valve core print seat 6 by convex shoulder on the rotation adjustment disk 101 or groove 104 realization regulating spools 1.
Modulating valve core print seat 6 comprises: push rod and vent 61, circumference rod radial air vent 62, vertical air vent 63, adjustment disk mounting hole 64, pad mounting hole 65 structures, offer the circumference rod radial air vent 62 of three long strips at the medium position of modulating valve core print seat 6, circumference rod radial air vent 62 offer the medium position that the position is positioned at pad 7, surperficial equal angles at modulating valve core print seat 6 and the connecting thread of valve body 8 is processed with three plane vertical air vents 63, when modulating valve core print seat 6 is connected with valve body 8, will form three exhaust clearances in the threaded connection place of the two.
Pad 7 is the circular pad chip structure of band circular gasket endoporus 71, is made of three to ten thin type pad stacks, constitutes the best with seven thin type pad stacks, and the material of pad 7 is plasticity or paper material.
Valve body 8 comprises: rod radial air vent 81, annular row air drain 82, modulating valve core print seat mounting hole 83, jogger hole 84, steel ball and spring mounting hole 85, exhaust spring seat mounting hole 86 structures, be provided with three rod radial air vents 81 at valve body 8, rod radial air vent 81 communicates with annular row air drain 82.
Exhaust spring seat 11 is cylindric hollow-core construction, comprise in the hollow-core construction: exhaust and spring eye 111, exhaust port 112 structures, exhaust port 112 diameters are less than exhaust and spring eye 111 diameters, are connected for interference fit between exhaust spring seat 11 and the valve body 8 or worm structure connects.
Vinyl cover 4 also is installed on valve body 8, vinyl cover 4 comprises: cover hole 41, annular ring 42, exhaust nozzle 43 structures, vinyl cover 4 is positioned at the outside of annular row air drain 82 and constitutes a ring seal groove with annular row air drain 82, and the gas of discharging from the rod radial air vent 81 of valve body 8 is discharged from exhaust nozzle 43 by this ring seal groove.
The automatic control pressure vent integral installation is provided with seal ring 5 between the outside of valve body 8 and heating system structure in the heating system structure, be provided with seal ring 2 and seal ring 3 between modulating valve core print seat 6 and the valve body 8.
Pad 7 after seven thin type pad combination stacks is set in the push rod 102 of regulating spool 1, then regulating spool 1 rotation is screwed into and is installed in the modulating valve core print seat 6, on modulating valve core print seat 6, install seal ring 2 and seal ring 3 then, then modulating valve core print seat 6 is screwed in the valve body 8, in another stomidium of valve body 8, be used to install steel ball 9, spring 10, exhaust spring seat 11, steel ball 9 is put into steel ball and spring mounting hole 85, on steel ball 9, install spring 10 then, put exhaust spring seat 11 in spring 10 outsides then, exhaust spring seat 11 is pressed in the exhaust spring seat mounting hole 86 then, exhaust spring seat 11 can be that drive fit is connected with valve body 8, also can be to adopt the mode that is threaded exhaust spring seat 11 to be screwed in the exhaust spring seat mounting hole 86 of valve body 8, after modulating valve core print seat 6 is packed in the valve body 8 and regulating spool 1 is screwed to the end, the push rod 102 of regulating spool 1 can contact out steel ball 9, install vinyl cover 4 and seal ring 5 again in the outside of valve body 8, such automatic control pressure vent has just assembled, and then the automatic control pressure vent integral installation just can have been used in the heating system structure.
Adopt rotation mode to regulate regulating spool 1, thereby moving axially of the push rod 102 of adjusting regulating spool 1, because push rod 102 contacts mutually with steel ball 9, thus rotate the size that regulating spool 1 just can be regulated opening between steel ball 9 and the jogger hole 84, thus the exhaust velocity of control heating system.
Regulating spool 1 is turned clockwise, make push rod 102 downward roof pressure steel balls 9, steel ball 9 trace are opened, it is the place, aperture that steel ball 9 leaves jogger hole 84, make jogger hole 84 and steel ball and spring mounting hole 85, exhaust spring seat mounting hole 86 is connected, gas in the heating system just enters exhaust spring seat mounting hole 86 like this, in steel ball and the spring mounting hole 85, pass through jogger hole 84 then, gap between push rod and vent 61 and the push rod 102, enter in the pad mounting hole 65, then by the gap between pad 7 each thin type pad, from circumference rod radial air vent 62, discharge, enter in vertical air vent 63 spatial channel, discharge by the rod radial air vent on valve body 8 circumference 81 then, enter in annular row air drain 82 and the vinyl cover 4 common annular passs that constitute, from the exhaust nozzle 43 of vinyl cover 4, discharge then, finished exhaust process like this.
For the speed of controlling exhaust velocity with prevent that the steam of heating system from overflowing, pad 7 after seven thin type pad combinations superpose is under the pressuring action of regulating spool 1, should keep certain elasticity, should allow gas discharge, also will stop overflowing of steam simultaneously.
For realizing can self-bleeding purpose, as long as we regulate regulating spool 1, make and to control the openings of sizes of steel ball 9 well, promptly control the opening degree of steel ball 9 well, steel ball 9 is as long as trace is opened, and outlet valve need not personnel management or adopted artificial exhaust with regard to the continuous automatic vent of energy like this.

Claims (8)

1. automatic control pressure vent, it is characterized in that: comprising: regulating spool (1), modulating valve core print seat (6), pad (7), valve body (8), steel ball (9), spring (10), exhaust spring seat (11), regulating spool (1) is installed in the modulating valve core print seat (6), in regulating spool (1) and the formed cavity of modulating valve core print seat (6), pad (7) is installed, pad (7) is made of a plurality of pad stack combinations, pad (7) after a plurality of pad stack combinations is set in the push rod (102) of regulating spool (1), modulating valve core print seat (6) is installed in the valve body (8), exhaust spring seat (11) is installed in another stomidium of valve body (8), steel ball (9), spring (10) is installed in the space cavity that is made of valve body (8) and exhaust spring seat (11), when modulating valve core print seat (6) in valve body (8) after the installing and locating, push rod (102) should be able to be arranged in push rod and vent (61) and jogger hole (84), the diameter of push rod (102) is respectively less than push rod and vent (61) diameter with jogger hole (84), by rotating regulating spool (1), the push rod (102) of regulating spool (1) is contacted mutually with steel ball (9), realize the closure or openness of steel ball (9) to jogger hole (84), and the elasticity between a plurality of pads in the adjusting pad (7), after modulating valve core print seat (6) and valve body (8) were installed, rod radial air vent (81) was connected with circumference rod radial air vent (62) by vertical air vent (63).
2. automatic control pressure vent according to claim 1, it is characterized in that: regulating spool (1) comprising: adjustment disk (101), push rod (102), screw thread (103), convex shoulder or groove (104) structure, regulating spool (1) is by screw thread (103) on the adjustment disk (101) and modulating valve core print seat (6) connection, and the rotation adjusting in modulating valve core print seat (6), thereby make that regulating spool (1) can moving axially along modulating valve core print seat (6) in modulating valve core print seat (6) by convex shoulder on the rotation adjustment disk (101) or groove (104) realization regulating spool (1).
3. automatic control pressure vent according to claim 1, it is characterized in that: modulating valve core print seat (6) comprising: push rod and vent (61), circumference rod radial air vent (62), vertical air vent (63), adjustment disk mounting hole (64), pad mounting hole (65) structure, offer the circumference rod radial air vent (62) of three long strips at the medium position of modulating valve core print seat (6), circumference rod radial air vent (62) offer the medium position that the position is positioned at pad (7), surperficial equal angles at the connecting thread of modulating valve core print seat (6) and valve body (8) is processed with three plane vertical air vents (63), when modulating valve core print seat (6) and valve body (8) when being connected, will form three exhaust clearances in the threaded connection place of the two.
4. automatic control pressure vent according to claim 1 is characterized in that: pad (7) is the circular pad chip structure of band circular gasket endoporus (71), is made of three to ten thin type pad stacks, and the material of pad (7) is plasticity or paper material.
5. automatic control pressure vent according to claim 1, it is characterized in that: valve body (8) comprising: rod radial air vent (81), annular row air drain (82), modulating valve core print seat mounting hole (83), jogger hole (84), steel ball and spring mounting hole (85), exhaust spring seat mounting hole (86) structure, be provided with three rod radial air vents (81) at valve body (8), rod radial air vent (81) communicates with annular row air drain (82).
6. automatic control pressure vent according to claim 1, it is characterized in that: exhaust spring seat (11) is cylindric hollow-core construction, comprise in the hollow-core construction: exhaust and spring eye (111), exhaust port (112) structure, exhaust port (112) diameter is less than exhaust and spring eye (111) diameter, is connected for interference fit between exhaust spring seat (11) and the valve body (8) or worm structure connects.
7. automatic control pressure vent according to claim 1 or 5, it is characterized in that: vinyl cover (4) also is installed on valve body (8), vinyl cover (4) comprising: cover hole (41), annular ring (42), exhaust nozzle (43) structure, vinyl cover (4) is positioned at the outside of annular row air drain (82) and constitutes a ring seal groove with annular row air drain (82), and the gas of discharging from the rod radial air vent (81) of valve body (8) is discharged from exhaust nozzle (43) by this ring seal groove.
8. automatic control pressure vent according to claim 1, it is characterized in that: the automatic control pressure vent integral installation is in the heating system structure, between the outside of valve body (8) and heating system structure, be provided with seal ring (5), between modulating valve core print seat (6) and valve body (8), be provided with seal ring (2) and seal ring (3).
CN2009201174378U 2009-04-10 2009-04-10 Automatic exhaust valve Expired - Fee Related CN201461988U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2009201174378U CN201461988U (en) 2009-04-10 2009-04-10 Automatic exhaust valve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2009201174378U CN201461988U (en) 2009-04-10 2009-04-10 Automatic exhaust valve

Publications (1)

Publication Number Publication Date
CN201461988U true CN201461988U (en) 2010-05-12

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ID=42389341

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2009201174378U Expired - Fee Related CN201461988U (en) 2009-04-10 2009-04-10 Automatic exhaust valve

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Country Link
CN (1) CN201461988U (en)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101581379B (en) * 2009-04-10 2012-12-12 台州恒捷铜业有限公司 Automatic exhaust valve
CN103341710A (en) * 2013-06-26 2013-10-09 无锡明珠钢球有限公司 Sealed type welding seat
CN108619613A (en) * 2018-05-31 2018-10-09 孙亚娟 A kind of dept. of dermatology's applicator
CN108619614A (en) * 2018-05-31 2018-10-09 孙亚娟 A kind of anti-pollution skin medicament applying device
CN108904962A (en) * 2018-05-31 2018-11-30 孙亚娟 A kind of anti-pollution Medical ointment applicator
CN111188907A (en) * 2020-01-22 2020-05-22 武汉船用机械有限责任公司 Exhaust joint
CN113803630A (en) * 2021-08-17 2021-12-17 张志飞 Multifunctional high-pressure inflation valve

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101581379B (en) * 2009-04-10 2012-12-12 台州恒捷铜业有限公司 Automatic exhaust valve
CN103341710A (en) * 2013-06-26 2013-10-09 无锡明珠钢球有限公司 Sealed type welding seat
CN108619613A (en) * 2018-05-31 2018-10-09 孙亚娟 A kind of dept. of dermatology's applicator
CN108619614A (en) * 2018-05-31 2018-10-09 孙亚娟 A kind of anti-pollution skin medicament applying device
CN108904962A (en) * 2018-05-31 2018-11-30 孙亚娟 A kind of anti-pollution Medical ointment applicator
CN108619614B (en) * 2018-05-31 2021-04-30 青岛大学附属医院 Anti-pollution skin medicine applying device
CN111188907A (en) * 2020-01-22 2020-05-22 武汉船用机械有限责任公司 Exhaust joint
CN113803630A (en) * 2021-08-17 2021-12-17 张志飞 Multifunctional high-pressure inflation valve
CN113803630B (en) * 2021-08-17 2022-12-30 张志飞 Multifunctional high-pressure inflation valve

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C14 Grant of patent or utility model
GR01 Patent grant
C17 Cessation of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20100512

Termination date: 20130410