CN108953693B - Quick joint of one-way valve - Google Patents
Quick joint of one-way valve Download PDFInfo
- Publication number
- CN108953693B CN108953693B CN201811101720.1A CN201811101720A CN108953693B CN 108953693 B CN108953693 B CN 108953693B CN 201811101720 A CN201811101720 A CN 201811101720A CN 108953693 B CN108953693 B CN 108953693B
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- Prior art keywords
- ejector rod
- locking
- hole
- section
- channel
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- 238000007789 sealing Methods 0.000 claims description 23
- 230000006835 compression Effects 0.000 claims description 16
- 238000007906 compression Methods 0.000 claims description 16
- 229910000831 Steel Inorganic materials 0.000 abstract description 4
- 239000010959 steel Substances 0.000 abstract description 4
- 230000008901 benefit Effects 0.000 abstract description 3
- 230000007774 longterm Effects 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 239000011159 matrix material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000009991 scouring Methods 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K15/00—Check valves
- F16K15/02—Check valves with guided rigid valve members
- F16K15/025—Check valves with guided rigid valve members the valve being loaded by a spring
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L33/00—Arrangements for connecting hoses to rigid members; Rigid hose connectors, i.e. single members engaging both hoses
- F16L33/02—Hose-clips
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Quick-Acting Or Multi-Walled Pipe Joints (AREA)
Abstract
The invention discloses a one-way valve quick connector, which comprises a quick connector body and a quick connector parent body; the quick connector body comprises a push rod, the push rod comprises a push rod front part, a push rod middle part and a push rod rear part, the rear end of the push rod front part is connected with the front end of the push rod middle part, and the rear end of the push rod middle part is connected with the front end of the push rod rear part; the middle part of the ejector rod comprises a front half section of the middle part of the ejector rod and a rear half section of the middle part of the ejector rod; the central lines of the front part of the ejector rod, the middle part of the ejector rod and the rear part of the ejector rod are overlapped and provided with first channels which are mutually communicated; a fifth channel is formed in the outer wall of the rear half section of the middle part of the ejector rod, and the fifth channel is communicated with the first channel. On one hand, the invention effectively improves the use pressure and avoids the occurrence of leakage; on the other hand, the situation that the steel balls in the parent body are easy to fall off or cannot be tightly connected with the child body after being worn after long-term use is avoided; on the other hand, leakage is not easy to occur quickly. Has the advantages of simple structure, difficult damage, low manufacturing cost and the like.
Description
Technical Field
The invention relates to a joint, in particular to a one-way valve quick joint capable of ensuring no leakage at a joint under a high-pressure state.
Background
In the prior art, the quick connector is connected with the hose in a way of a reverse spigot or a clamp, so that on one hand, leakage is easy to occur and the use pressure is low; on the other hand, after the steel balls in the quick connector parent body are worn after long-term use, the steel balls are easy to fall off or cannot be tightly connected with the daughter; on the other hand, the sealing gasket of the quick connector matrix is in a closed state under the action of a spring, and leakage is easy to occur under medium scouring corrosion for a long time.
Those skilled in the art have therefore sought to develop a single valve quick connector that can effectively accommodate leaks.
Disclosure of Invention
In view of the above-mentioned drawbacks of the prior art, the present invention is to provide a quick connector for a single valve capable of effectively placing leakage.
In order to achieve the above purpose, the invention provides a check valve quick connector, which comprises a quick connector body and a quick connector parent body; the quick connector body comprises a push rod, the push rod comprises a push rod front part, a push rod middle part and a push rod rear part, the rear end of the push rod front part is connected with the front end of the push rod middle part, and the rear end of the push rod middle part is connected with the front end of the push rod rear part;
the middle part of the ejector rod comprises a front half section of the middle part of the ejector rod and a rear half section of the middle part of the ejector rod; the diameter of the front part of the ejector rod is larger than that of the front half section of the middle part of the ejector rod, the diameter of the front half section of the middle part of the ejector rod is larger than that of the rear half section of the middle part of the ejector rod, and the diameter of the rear half section of the middle part of the ejector rod is larger than that of the rear part of the ejector rod;
the central lines of the front part of the ejector rod, the middle part of the ejector rod and the rear part of the ejector rod are overlapped and provided with first channels which are mutually communicated; a fifth channel is formed in the outer wall of the rear half section of the middle part of the ejector rod, and the fifth channel is communicated with the first channel;
the quick connector parent body comprises a locking connector, a connector body and a one-way valve sealing piece, a second channel and a third channel are formed along the central line of the locking connector, the middle part of the ejector rod is slidably positioned in the second channel, the front half section of the middle part of the ejector rod is attached to the inner wall of the second channel, and the outer wall of the rear half section of the middle part of the ejector rod and the inner wall of the second channel form a fourth channel; the ejector rod is detachably connected with the locking joint through a locking sleeve; the front end of the third channel is communicated with the second channel, the opening at the rear end of the third channel gradually enlarges from front to back to form a conical opening, and the rear part of the ejector rod is slidably positioned in the third channel;
the connector body comprises a connector front part, a connector middle part and a connector rear part, wherein the connector front part is provided with a first through hole, the connector front part is sleeved on the locking connector rear half part through a front half section of the first through hole, the rear end of the connector front part is connected with the front end of the connector middle part, the connector middle part is provided with a second through hole matched with the first through hole for use, a one-way valve sealing piece is arranged in the second through hole in a sliding manner, the front end of the one-way valve sealing piece is provided with a conical head matched with the conical opening for use, the conical head is sleeved with a fourth O-shaped ring, and the rear end of the one-way valve sealing piece is provided with a compression spring; the front end of the rear part of the connector is connected with the rear end of the middle part of the connector, and a third through hole communicated with the second through hole is formed in the rear part of the connector.
Preferably, the quick connector body further comprises a first O-shaped ring sleeved at the front end of the front part of the ejector rod.
Preferably, the second half section of the front part of the ejector rod is provided with a first limit boss matched with the front end of the locking joint; the inner wall of the front end of the locking sleeve is provided with a second limiting boss matched with the first limiting boss for use; the inner wall of the second half section of the locking sleeve is in threaded connection with the outer wall of the locking joint.
Preferably, the locking joint comprises a locking front section, a locking middle section and a locking rear section, wherein the inner wall of the second half section of the locking sleeve is in threaded connection with the locking front section, the rear section of the locking front section is connected with the front end of the locking middle section, the diameter of the locking front section is smaller than that of the locking middle section, the front end of the locking rear section is connected with the rear section of the locking middle section, the diameter of the locking rear section is smaller than that of the locking front section, and the front part of the joint is sleeved on the locking rear section.
Preferably, a second O-ring is arranged at the joint of the front part of the joint and the locking rear section.
Preferably, a circle of mounting groove is formed in the inner wall of the second channel, and a third O-shaped ring and a sealing check ring are arranged in the mounting groove.
Preferably, the locking sleeve is connected with the locking joint through a locating pin.
Preferably, the second through hole comprises a limiting hole and a positioning hole, wherein the central lines of the limiting hole and the positioning hole are coincident and mutually communicated, the limiting hole is positioned between the first through hole and the positioning hole, and the diameter of the limiting hole is larger than that of the positioning hole;
one end of the compression spring is fixed at the joint of the positioning hole and the third through hole, the other end of the compression spring is connected with the conical head, and the conical head slides in the limiting hole and the first through hole.
Preferably, the first channel comprises a first perforation, a second perforation and a third perforation which are communicated with each other, the first perforation is arranged on the front part of the ejector rod, and the central line of the first perforation is overlapped with the central line of the front part of the ejector rod;
the second perforation is arranged in the middle of the ejector rod, the second perforation coincides with the central line of the middle of the ejector rod, and the diameter of the second perforation is smaller than that of the first perforation; the fifth channel is communicated with the second perforation;
the third perforation is arranged at the rear part of the ejector rod and extends to the rear end of the middle part of the ejector rod to be communicated with the second perforation, the third perforation coincides with the central line of the rear part of the ejector rod, and the diameter of the third perforation is smaller than that of the second perforation.
Preferably, the one-way valve sealing element comprises a connecting seat and a conical head, the rear end of the connecting seat is provided with a groove body, one end of the compression spring is fixed at the joint of the second through hole and the third through hole, the other end of the compression spring is fixed in the groove body, and the connecting seat is arranged in the second through hole in a sliding manner and is very fit with the second through hole; the front end of the connecting seat is provided with a conical head, and a pipeline communicated with the second through hole and the first through hole is arranged at the joint of the connecting seat and the conical head.
The beneficial effects of the invention are as follows: on one hand, the invention effectively improves the use pressure and avoids the occurrence of leakage; on the other hand, the situation that the steel balls in the parent body are easy to fall off or cannot be tightly connected with the child body after being worn after long-term use is avoided; on the other hand, leakage is not easy to occur quickly. Has the advantages of simple structure, difficult damage, low manufacturing cost and the like.
Drawings
Fig. 1 is a schematic structural view of an embodiment of the present invention.
Fig. 2 is a partially enlarged schematic view of the structure at a in fig. 1.
Fig. 3 is a partially enlarged schematic view of the structure at B in fig. 1.
Detailed Description
The invention is further illustrated by the following examples in conjunction with the accompanying drawings:
as shown in fig. 1 to 3, a quick connector for a check valve includes a quick connector body 50 and a quick connector body 100;
the quick connector body 50 comprises a push rod 2, wherein the push rod 2 comprises a push rod front part 2a, a push rod middle part 2b and a push rod rear part 2c, the rear end of the push rod front part 2a is connected with the front end of the push rod middle part 2b, and the rear end of the push rod middle part 2b is connected with the front end of the push rod rear part 2 c;
the ejector rod middle part 2b comprises an ejector rod middle part front half section 2b1 and an ejector rod middle part rear half section 2b2; the diameter of the front part 2a of the ejector rod is larger than that of the front half section 2b1 of the middle part of the ejector rod, the diameter of the front half section 2b1 of the middle part of the ejector rod is larger than that of the rear half section 2b2 of the middle part of the ejector rod, and the diameter of the rear half section 2b2 of the middle part of the ejector rod is larger than that of the rear part 2c of the ejector rod;
the central lines of the front part 2a, the middle part 2b and the rear part 2c of the ejector rod are overlapped and provided with first channels 3 which are mutually communicated; a fifth channel 5 is formed in the outer wall of the rear half section 2b2 of the middle part of the ejector rod, and the fifth channel 5 is communicated with the first channel 3;
the quick connector parent 100 comprises a locking connector 6, a connector body 7 and a one-way valve sealing piece 8, a second channel 9 and a third channel 10 are formed along the central line of the locking connector 6, the middle part 2b of the ejector rod is slidably arranged in the second channel 9, the front half section 2b1 of the middle part of the ejector rod is attached to the inner wall of the second channel 9, and the outer wall of the rear half section 2b2 of the middle part of the ejector rod and the inner wall of the second channel 9 form a fourth channel 12; the ejector rod 2 is detachably connected with the locking joint 6 through a locking sleeve 13; the front end of the third channel 10 is communicated with the second channel 9, the opening of the rear end of the third channel 10 gradually enlarges from front to back to form a conical opening 15, and the rear part 2c of the ejector rod is slidably positioned in the third channel 10;
the connector body 7 comprises a connector front part 16, a connector middle part 17 and a connector rear part 18, wherein the connector front part 16 is provided with a first through hole 19, the connector front part 16 is sleeved on the rear half part of the locking connector 6 through the front half section of the first through hole 19, the rear end of the connector front part 16 is connected with the front end of the connector middle part 17, the connector middle part 17 is provided with a second through hole 20 matched with the first through hole 19, the second through hole 20 is internally provided with a one-way valve sealing piece 8 in a sliding manner, the front end of the one-way valve sealing piece 8 is provided with a conical head 21 matched with the conical opening 15, the conical head 21 is sleeved with a fourth O-shaped ring 22, and the rear end of the one-way valve sealing piece 8 is provided with a compression spring 23; the front end of the joint rear part 18 is connected with the rear end of the joint middle part 17, and the joint rear part 18 is provided with a third through hole 26 communicated with the second through hole 20.
The quick connector body 50 further comprises a first O-ring 27, and the first O-ring 27 is sleeved at the front end of the front portion 2a of the ejector rod.
The rear half section of the front part 2a of the ejector rod is provided with a first limit boss 28 matched with the front end of the locking joint 6 for use; the inner wall of the front end of the locking sleeve 13 is provided with a second limit boss 29 matched with the first limit boss 28; the inner wall of the second half section of the locking sleeve 13 is in threaded connection with the outer wall of the locking joint 6.
The locking joint 6 comprises a locking front section 30, a locking middle section 31 and a locking rear section 32, the inner wall of the second half section of the locking sleeve 13 is in threaded connection with the locking front section 30, the rear section of the locking front section 30 is connected with the front end of the locking middle section 31, the diameter of the locking front section 30 is smaller than that of the locking middle section 31, the front end of the locking rear section 32 is connected with the rear section of the locking middle section 31, the diameter of the locking rear section 32 is smaller than that of the locking front section 30, and the joint front portion 16 is sleeved on the locking rear section 32.
A second O-ring 33 is provided at the junction of the front joint section 16 and the locking rear section 32.
The inner wall of the second channel 9 is provided with a circle of mounting groove 35, and a third O-shaped ring 36 and a sealing retainer ring 37 are arranged in the mounting groove 35.
The locking sleeve 13 is connected with the locking joint 6 through a locating pin 38.
The second through hole 20 comprises a limiting hole 39 and a positioning hole 650, wherein the central lines of the limiting hole 39 and the positioning hole 650 are coincident and mutually communicated, the limiting hole 39 is positioned between the first through hole 19 and the positioning hole 650, and the diameter of the limiting hole 39 is larger than that of the positioning hole 650;
one end of the compression spring 23 is fixed at the connection between the positioning hole 650 and the third through hole 26, the other end of the compression spring 23 is connected with the conical head 21, and the conical head 21 slides in the limiting hole 39 and the first through hole 19.
The first channel 3 comprises a first perforation 3a, a second perforation 3b and a third perforation 3c which are communicated with each other, the first perforation 3a is arranged on the front part 2a of the ejector rod, and the central line of the first perforation 3a coincides with the central line of the front part 2a of the ejector rod;
the second perforation 3b is arranged in the middle part 2b of the ejector rod, the second perforation 3b coincides with the central line of the middle part 2b of the ejector rod, and the diameter of the second perforation 3b is smaller than that of the first perforation 3 a; the fifth passage 5 is communicated with the second perforation 3 b;
the third through hole 3c is formed in the rear portion 2c of the ejector rod and extends to the rear end of the middle portion 2b of the ejector rod to be communicated with the second through hole 3b, the third through hole 3c coincides with the central line of the rear portion 2c of the ejector rod, and the diameter of the third through hole 3c is smaller than that of the second through hole 3 b.
The one-way valve sealing member 8 comprises a connecting seat 60 and a conical head 21, a groove body 61 is formed at the rear end of the connecting seat 60, one end of the compression spring 23 is fixed at the joint of the second through hole 20 and the third through hole 26, the other end of the compression spring 23 is fixed in the groove body 61, and the connecting seat 60 is slidably arranged in the second through hole 20 and is very fit with the second through hole 20; the front end of the connection seat 60 is provided with a conical head 21, and a pipeline 62 which is communicated with the second through hole 20 and the first through hole 19 is arranged at the joint of the connection seat 60 and the conical head 21.
The invention forms a quick connector body through the combination of the first O-shaped ring 27 and the ejector rod 2, and forms a quick connector matrix through the combination of the rest parts. When the pipeline is required to be disconnected, the locking sleeve 13 is loosened by 20 degrees in a right-hand manner, the secondary body is sleeved into the ejector rod 2 and then is assembled into the second channel 9 and the third channel 10 which are inserted into the locking joint 6, the secondary body is tightly connected with the primary body by 20 degrees in a left-hand manner, a medium flows to the first channel 3 from the third through hole 26, when the pipeline is required to be disconnected, the locking sleeve 13 is loosened by 20 degrees in a hand manner, the medium and the compression spring 23 push the check valve sealing piece 8, the first sealing layer is formed by matching the conical head 21 with the conical opening 15, and the second sealing layer is realized by the fourth O-shaped ring 22, so that double-layer sealing is realized.
The foregoing describes in detail preferred embodiments of the present invention. It should be understood that numerous modifications and variations will occur to those skilled in the art without the benefit of the inventive concepts herein. Therefore, those skilled in the art should appreciate that the present invention can be implemented by logic analysis, reasoning or limited experiments based on the prior art, and the present invention is defined by the scope of the claims.
Claims (7)
1. A one-way valve quick connector is characterized in that: comprises a quick connector body (50) and a quick connector parent body (100);
the quick connector body (50) comprises a push rod (2), wherein the push rod (2) comprises a push rod front part (2 a), a push rod middle part (2 b) and a push rod rear part (2 c), the rear end of the push rod front part (2 a) is connected with the front end of the push rod middle part (2 b), and the rear end of the push rod middle part (2 b) is connected with the front end of the push rod rear part (2 c);
the ejector rod middle part (2 b) comprises an ejector rod middle part front half section (2 b 1) and an ejector rod middle part rear half section (2 b 2); the diameter of the front part (2 a) of the ejector rod is larger than that of the front half section (2 b 1) of the middle part of the ejector rod, the diameter of the front half section (2 b 1) of the middle part of the ejector rod is larger than that of the rear half section (2 b 2) of the middle part of the ejector rod, and the diameter of the rear half section (2 b 2) of the middle part of the ejector rod is larger than that of the rear part (2 c) of the ejector rod;
the central lines of the front part (2 a) of the ejector rod, the middle part (2 b) of the ejector rod and the rear part (2 c) of the ejector rod are overlapped and provided with first channels (3) which are mutually communicated; a fifth channel (5) is formed in the outer wall of the rear half section (2 b 2) of the middle part of the ejector rod, and the fifth channel (5) is communicated with the first channel (3);
the quick connector parent body (100) comprises a locking connector (6), a connector body (7) and a one-way valve sealing piece (8), a second channel (9) and a third channel (10) are formed along the central line of the locking connector (6), the middle part (2 b) of the ejector rod is slidably positioned in the second channel (9), the front half section (2 b 1) of the middle part of the ejector rod is attached to the inner wall of the second channel (9), and the outer wall of the rear half section (2 b 2) of the middle part of the ejector rod and the inner wall of the second channel (9) form a fourth channel (12); the ejector rod (2) is detachably connected with the locking joint (6) through a locking sleeve (13); the front end of the third channel (10) is communicated with the second channel (9), the opening of the rear end of the third channel (10) gradually enlarges from front to back to form a conical opening (15), and the rear part (2 c) of the ejector rod is slidably positioned in the third channel (10);
the connector body (7) comprises a connector front part (16), a connector middle part (17) and a connector rear part (18), wherein a first through hole (19) is formed in the connector front part (16), the front half section of the connector front part (16) through the first through hole (19) is sleeved on the rear half part of the locking connector (6), the rear end of the connector front part (16) is connected with the front end of the connector middle part (17), a second through hole (20) matched with the first through hole (19) is formed in the connector middle part (17), a check valve sealing piece (8) is arranged in the second through hole (20) in a sliding mode, a conical head (21) matched with the conical opening (15) is arranged at the front end of the check valve sealing piece (8), a fourth O-shaped ring (22) is sleeved on the conical head (21), and a compression spring (23) is arranged at the rear end of the check valve sealing piece (8); the front end of the joint rear part (18) is connected with the rear end of the joint middle part (17), and a third through hole (26) communicated with the second through hole (20) is formed in the joint rear part (18); the quick connector body (50) further comprises a first O-shaped ring (27), and the first O-shaped ring (27) is sleeved at the front end of the front part (2 a) of the ejector rod; the rear half section of the front part (2 a) of the ejector rod is provided with a first limit boss (28) matched with the front end of the locking joint (6); the inner wall of the front end of the locking sleeve (13) is provided with a second limiting boss (29) matched with the first limiting boss (28); the inner wall of the rear half section of the locking sleeve (13) is in threaded connection with the outer wall of the locking joint (6); the locking joint (6) comprises a locking front section (30), a locking middle section (31) and a locking rear section (32), the inner wall of the rear half section of the locking sleeve (13) is in threaded connection with the locking front section (30), the rear section of the locking front section (30) is connected with the front end of the locking middle section (31), the diameter of the locking front section (30) is smaller than that of the locking middle section (31), the front end of the locking rear section (32) is connected with the rear section of the locking middle section (31), the diameter of the locking rear section (32) is smaller than that of the locking front section (30), and the front section (16) of the joint is sleeved on the locking rear section (32).
2. The quick connector of one-way valve of claim 1, wherein: a second O-shaped ring (33) is arranged at the joint of the front part (16) of the connector and the locking rear section (32).
3. The quick connector of one-way valve of claim 2, wherein: the inner wall of the second channel (9) is provided with a circle of mounting groove (35), and a third O-shaped ring (36) and a sealing retainer ring (37) are arranged in the mounting groove (35).
4. A quick connector for a one-way valve as defined in claim 3, wherein: the locking sleeve (13) is connected with the locking joint (6) through a locating pin (38).
5. The quick connector of one-way valve of claim 4, wherein: the second through hole (20) comprises a limiting hole (39) and a positioning hole (650) which are coincident in central line and mutually communicated, the limiting hole (39) is positioned between the first through hole (19) and the positioning hole (650), and the diameter of the limiting hole (39) is larger than that of the positioning hole (650);
one end of the compression spring (23) is fixed at the joint of the positioning hole (650) and the third through hole (26), the other end of the compression spring (23) is connected with the conical head (21), and the conical head (21) slides in the limiting hole (39) and the first through hole (19).
6. The quick connector of one-way valve of claim 5, wherein: the first channel (3) comprises a first perforation (3 a), a second perforation (3 b) and a third perforation (3 c) which are communicated with each other, the first perforation (3 a) is arranged on the front part (2 a) of the ejector rod, and the central line of the first perforation (3 a) is overlapped with the central line of the front part (2 a) of the ejector rod;
the second perforation (3 b) is arranged in the middle part (2 b) of the ejector rod, the second perforation (3 b) coincides with the central line of the middle part (2 b) of the ejector rod, and the diameter of the second perforation (3 b) is smaller than that of the first perforation (3 a); the fifth channel (5) is communicated with the second perforation (3 b);
the third perforation (3 c) is arranged at the rear part (2 c) of the ejector rod and extends towards the rear end of the middle part (2 b) of the ejector rod to be communicated with the second perforation (3 b), the third perforation (3 c) coincides with the central line of the rear part (2 c) of the ejector rod, and the diameter of the third perforation (3 c) is smaller than that of the second perforation (3 b).
7. The quick connector of one-way valve of claim 6, wherein: the one-way valve sealing piece (8) comprises a connecting seat (60) and a conical head (21), a groove body (61) is formed in the rear end of the connecting seat (60), one end of the compression spring (23) is fixed at the joint of the second through hole (20) and the third through hole (26), the other end of the compression spring (23) is fixed in the groove body (61), and the connecting seat (60) is slidably arranged in the second through hole (20) and is very fit with the second through hole (20); the front end of the connecting seat (60) is provided with a conical head (21), and a pipeline (62) communicated with the second through hole (20) and the first through hole (19) is arranged at the joint of the connecting seat (60) and the conical head (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811101720.1A CN108953693B (en) | 2018-09-20 | 2018-09-20 | Quick joint of one-way valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811101720.1A CN108953693B (en) | 2018-09-20 | 2018-09-20 | Quick joint of one-way valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108953693A CN108953693A (en) | 2018-12-07 |
| CN108953693B true CN108953693B (en) | 2024-04-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811101720.1A Active CN108953693B (en) | 2018-09-20 | 2018-09-20 | Quick joint of one-way valve |
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| CN (1) | CN108953693B (en) |
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| CN208935479U (en) * | 2018-09-20 | 2019-06-04 | 重庆九环机电有限公司 | Quick connector of one-way valve |
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|---|---|---|---|---|
| CN2463629Y (en) * | 2001-01-19 | 2001-12-05 | 温州市基安机械有限公司 | Large flow liquid-control one-way valve |
| CN102102689A (en) * | 2011-01-30 | 2011-06-22 | 林友根 | Hydraulic one-way valve |
| CN106931260A (en) * | 2017-03-31 | 2017-07-07 | 福建上润精密仪器有限公司 | A kind of pressure piping snap joint |
| CN106949279A (en) * | 2017-04-18 | 2017-07-14 | 西安新竹防务科技有限公司 | Unidirectional container value |
| CN207715956U (en) * | 2017-12-31 | 2018-08-10 | 扬州顺达重工设备有限公司 | A kind of novel fast gas connector |
| CN208935479U (en) * | 2018-09-20 | 2019-06-04 | 重庆九环机电有限公司 | Quick connector of one-way valve |
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|---|---|
| CN108953693A (en) | 2018-12-07 |
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