CN109506061B - Quick connector - Google Patents
Quick connector Download PDFInfo
- Publication number
- CN109506061B CN109506061B CN201910016639.1A CN201910016639A CN109506061B CN 109506061 B CN109506061 B CN 109506061B CN 201910016639 A CN201910016639 A CN 201910016639A CN 109506061 B CN109506061 B CN 109506061B
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- Prior art keywords
- positioning
- valve
- connector
- pipe body
- ring
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- 238000003780 insertion Methods 0.000 claims abstract description 25
- 230000037431 insertion Effects 0.000 claims abstract description 25
- 238000007789 sealing Methods 0.000 claims description 26
- 238000010168 coupling process Methods 0.000 claims description 15
- 238000005859 coupling reaction Methods 0.000 claims description 15
- 230000008878 coupling Effects 0.000 claims description 14
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 239000007788 liquid Substances 0.000 abstract description 12
- 230000008859 change Effects 0.000 abstract description 7
- 210000001503 joint Anatomy 0.000 abstract description 3
- 230000007306 turnover Effects 0.000 abstract description 3
- 239000012530 fluid Substances 0.000 description 4
- 230000009471 action Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Images
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
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L37/00—Couplings of the quick-acting type
- F16L37/28—Couplings of the quick-acting type with fluid cut-off means
- F16L37/30—Couplings of the quick-acting type with fluid cut-off means with fluid cut-off means in each of two pipe-end fittings
- F16L37/32—Couplings of the quick-acting type with fluid cut-off means with fluid cut-off means in each of two pipe-end fittings at least one of two lift valves being opened automatically when the coupling is applied
- F16L37/33—Couplings of the quick-acting type with fluid cut-off means with fluid cut-off means in each of two pipe-end fittings at least one of two lift valves being opened automatically when the coupling is applied the lift valves being of the ball type
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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
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L37/00—Couplings of the quick-acting type
- F16L37/22—Couplings of the quick-acting type in which the connection is maintained by means of balls, rollers or helical springs under radial pressure between the parts
- F16L37/23—Couplings of the quick-acting type in which the connection is maintained by means of balls, rollers or helical springs under radial pressure between the parts by means of balls
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- 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 quick connector which comprises a male connector and a female connector which are connected in an inserting manner, wherein positioning shafts are arranged in the male connector and the female connector, and valves are rotatably connected to the positioning shafts; and a valve jacking structure is arranged on the positioning shaft and close to the insertion end. The male connector and the female connector adopt a turnover valve structure, and the flow cross-sectional area of the valve is increased under the condition of the same maximum pipeline cross-sectional area. The invention effectively reduces the maximum section size of the quick connector under the condition of equal flow and equal flow cross section area at the butt joint valve, the cross section area change is small when liquid flows through the quick connector, and the pressure loss when the liquid flows through is effectively reduced.
Description
Technical Field
The invention relates to the technical field of pipeline connection, in particular to a quick connector.
Background
The quick connector is a connector which can realize the connection or disconnection of pipelines without tools.
At present, valves are basically designed as telescopic plugs, the maximum cross-sectional area of the plug needs to be larger than the pipe cross-sectional area at the valve to ensure that a pipeline can be blocked, so that the maximum pipe cross-sectional area of the quick connector is more than 2 times of the pipe cross-sectional area at the valve to ensure that liquid passes through required space, the quick connector occupies a large volume, meanwhile, the cross-sectional area at the maximum position of a cavity of the quick connector is greatly different from the pipe cross-sectional area at the valve, and the liquid has large pressure loss due to large change of the cross-sectional area when flowing through the path.
Therefore, it is an urgent technical problem to be solved by those skilled in the art to provide a quick coupling having a small maximum cross-sectional area and a small change in the flow area when a fluid passes through the quick coupling, thereby reducing the pressure loss of the fluid at the connection portion.
Disclosure of Invention
In view of the above, the present invention provides a quick coupling to reduce the maximum cross-sectional area of the quick coupling, and to reduce the variation of the cross-sectional area when a fluid passes through the quick coupling, so that the pressure loss of the fluid passing through the quick coupling is small.
In order to achieve the purpose, the invention provides the following technical scheme:
a quick connector comprises a male connector and a female connector which are connected in an inserted manner, wherein the male connector comprises a first pipe body, a first positioning shaft is arranged inside the first pipe body, a first valve and a second valve are rotatably connected to the first positioning shaft, and a first torsion spring for controlling the first valve and the second valve to be closed is sleeved on the first positioning shaft; the female joint comprises a second pipe body, a second positioning shaft is arranged inside the second pipe body, a third valve and a fourth valve are rotatably connected to the second positioning shaft, and a second torsion spring for controlling the third valve and the fourth valve to be closed is sleeved on the second positioning shaft; a first valve jacking structure is arranged on the first positioning shaft close to the insertion end, and a second valve jacking structure is arranged on the second positioning shaft close to the insertion end.
Preferably, a self-locking structure is arranged on the female connector, and a limiting structure matched with the self-locking structure is arranged on the male connector.
Preferably, the self-locking structure comprises a shaft sleeve, the shaft sleeve is slidably sleeved on the outer side surface of the second pipe body close to the insertion end, a positioning ball and a pressure spring are arranged on the inner side of the shaft sleeve, one end of the pressure spring is arranged on the end surface of a positioning boss on the shaft sleeve, and the other end of the pressure spring is arranged on the end surface of a positioning convex ring on the outer surface of the second pipe body; a positioning inclined surface cavity and a horizontally arranged pressing surface are arranged on the shaft sleeve, the minimum size end of the positioning inclined surface cavity is connected with the pressing surface, the pressing surface corresponds to a positioning through hole arranged on the second pipe body in position, and the positioning ball is connected in the positioning through hole in a sliding manner; the limiting structure is a limiting boss, and the positioning ball is matched with the limiting boss for limiting.
Preferably, the size of one end of the positioning through hole close to the shaft sleeve is larger than the diameter size of the positioning ball, and the size of one end far away from the shaft sleeve is smaller than the diameter size of the positioning ball.
Preferably, the first pipe body is internally provided with a first positioning retaining ring, the edge positions of the first valve and the second valve are pressed on the end face, far away from the insertion end, of the first positioning retaining ring, and the end face, far away from the insertion end, of the first positioning retaining ring is provided with a first sealing ring.
Preferably, a second positioning retaining ring is arranged inside the second pipe body, the edge positions of the third valve and the fourth valve are pressed on the end face, far away from the insertion end, of the second positioning retaining ring, a second sealing ring is arranged on the end face, far away from the insertion end, of the second positioning retaining ring, a third sealing ring is arranged on the end face, close to the insertion end, of the second positioning retaining ring, and the inner diameter of the third sealing ring is smaller than that of the second positioning retaining ring.
Preferably, the positioning ball is a steel ball.
Preferably, a first driving ring platform is arranged at a position, away from the plugging end, of the male connector, a second driving ring platform is arranged at a position, away from the plugging end, of the female connector, and the outer side surfaces of the first driving ring platform and the second driving ring platform are both of hexagonal structures.
Preferably, the first valve ejection structure and the second valve ejection structure are insertion pieces or ejector pins; the surface of the male connector is provided with a first alignment mark convenient for insertion assembly, and the surface of the female connector is provided with a second alignment mark convenient for insertion assembly.
Preferably, the self-locking structure comprises a buckle and a clamping groove which are matched with each other, and the buckle and the clamping groove are respectively arranged on the male connector or the female connector.
Preferably, a limiting convex ring used for limiting the position of the shaft sleeve is arranged on the female joint, and the limiting convex ring is arranged on the inner side of the end part, far away from the plugging end, of the shaft sleeve.
According to the technical scheme, the invention provides the quick connector, wherein the male connector and the female connector adopt a turnover valve structure, and the flow cross-sectional area of the valve is increased under the condition of the same maximum pipeline cross-sectional area. The invention effectively reduces the maximum section size of the quick connector under the condition of equal flow and equal flow cross section area at the butt joint valve, the cross section area change is small when liquid flows through the quick connector, and the pressure loss when the liquid flows through is effectively reduced.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic view of a connection structure of a male connector and a female connector of a quick coupling according to an embodiment of the present invention;
FIG. 2 is a schematic cross-sectional view at C-C of the quick connector of FIG. 1;
FIG. 3 is a schematic perspective view of a male connector according to an embodiment of the present invention;
FIG. 4 is a schematic view of an angle of the male connector according to the present invention;
FIG. 5 is a schematic view of another angle configuration of a male connector according to an embodiment of the present invention;
FIG. 6 is a schematic view of a male connector according to another embodiment of the present invention;
FIG. 7 is a schematic cross-sectional view taken at A-A in FIG. 4;
FIG. 8 is a schematic view of an angled configuration of a female connector according to an embodiment of the present invention;
FIG. 9 is a schematic view of another angled configuration of a female connector according to an embodiment of the present invention;
FIG. 10 is a schematic view of a female connector according to another embodiment of the present invention;
fig. 11 is a schematic cross-sectional view at B-B in fig. 9.
1. The male connector, 11, a first driving ring table, 12, a first pipe body, 13, a limiting boss, 14, a first valve ejection structure, 15, a first pair of positive marks, 16, a first valve, 17, a second valve, 18, a first torsion spring, 19, a first positioning shaft, 110, a first positioning baffle ring, 111, a first sealing ring, 2, a female connector, 21, a second driving ring table, 22, a second pipe body, 221, a positioning convex ring, 222, a positioning through hole, 223, a second positioning baffle ring, 23, a shaft sleeve, 231, a positioning boss, 232, a positioning inclined surface cavity, 24, a second pair of positive marks, 25, a third valve, 26, a fourth valve, 27, a second torsion spring, 28, a second positioning shaft, 29, a second valve ejection structure, 210, a pressure spring, 211, a positioning ball, 212, a second sealing ring, 213, a third sealing ring, 214 and a limiting convex ring.
Detailed Description
The invention discloses a quick connector, which aims to reduce the maximum cross section area of the quick connector and the change of the cross section area when liquid passes through the quick connector, so that the pressure loss of the liquid passing through the quick connector is small.
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 11, the present invention discloses a quick connector, including a male connector 1 and a female connector 2, which are inserted into each other, the male connector 1 includes a first pipe 12, a first positioning shaft 19 is disposed inside the first pipe 12, the first positioning shaft 19 is rotatably connected to a first valve 16 and a second valve 17, and a first torsion spring 18 for controlling the first valve 16 and the second valve 17 to close is sleeved on the first positioning shaft 19; the female joint 2 comprises a second pipe body 22, a second positioning shaft 28 is arranged inside the second pipe body 22, a third valve 25 and a fourth valve 26 are connected to the second positioning shaft 28 in a rotating mode, and a second torsion spring 27 used for controlling the third valve 25 and the fourth valve 26 to be closed is sleeved on the second positioning shaft 28; the first positioning shaft 19 is provided with a first valve opening structure 14 near the insertion end, and the second positioning shaft 28 is provided with a second valve opening structure 29 near the insertion end. When the male connector 1 and the female connector 2 are plugged, the second valve opening structure 29 is used for opening the first valve 16 and the second valve 17, and the first valve opening structure 14 is used for opening the third valve 25 and the fourth valve 26, so that the male connector 1 and the female connector 2 of the quick connector are communicated.
The male connector 1 and the female connector 2 of the technical scheme adopt a turnover valve structure, so that the liquid circulation cross-sectional area in the connector cavity is variable, and the circulation cross-sectional area at the valve is increased under the condition of the same maximum pipeline cross-sectional area. The invention effectively reduces the maximum section size of the quick connector under the condition of equal flow and equal flow cross section area at the butt joint valve, the cross section area change is small when liquid flows through the quick connector, and the pressure loss when the liquid flows through is effectively reduced.
In order to realize the positioning of the male connector 1 and the female connector 2 after the insertion, the female connector 2 is provided with a self-locking structure, and the male connector 1 is provided with a limiting structure matched with the self-locking structure for use.
Specifically, the self-locking structure includes a shaft sleeve 23, the shaft sleeve 23 is slidably sleeved on the outer side surface of the second pipe body 22 close to the insertion end, a positioning ball 211 and a pressure spring 210 are arranged in a chamber inside the shaft sleeve 23, one end of the pressure spring 210 is fixed on the end surface of a positioning boss 231 on the shaft sleeve 23, and the other end of the pressure spring is fixed on the end surface of a positioning convex ring 221 on the outer surface of the second pipe body 22. A positioning inclined surface cavity 232 and a horizontally arranged pressing surface are arranged on the shaft sleeve 23, the minimum size end of the positioning inclined surface cavity 232 is connected with the pressing surface, the pressing surface corresponds to the positioning through hole 222 arranged on the second pipe body 22 in position, and the positioning ball 211 is slidably connected in the positioning through hole 222; the limiting structure is a limiting boss 13, and the positioning ball 211 is matched with the limiting boss 13 for limiting. When the male connector is used, the positioning ball 211 is embedded into the positioning through hole 222, and one end of the positioning ball 211, which is far away from the shaft sleeve 23, is exposed out of one part of the other end of the positioning through hole 222, and the part is contacted with the side surface of the limiting boss 13, so that the male connector 1 is prevented from sliding out of the female connector 2. The compression spring 210 is used for automatically resetting the shaft sleeve 23 and ensuring the positioning reliability, and prevents the shaft sleeve 23 from sliding randomly. Through setting up location inclined plane chamber 232 and being used for compressing tightly the face that compresses tightly of location ball 211 for the position of location ball 211 in positioning hole 222 can change, thereby makes things convenient for male joint 1 and female joint 2 to be connected and dismantle.
In order to enable the positioning ball 211 to conveniently limit the limiting boss 13 on the male connector 1 and prevent the positioning ball 211 from falling out of one end of the positioning through hole 222 far away from the shaft sleeve 23, which affects the use, the size of one end of the positioning through hole 222 close to the shaft sleeve 23 is larger than the diameter size of the positioning ball 211, and the size of one end far away from the shaft sleeve 23 is smaller than the diameter size of the positioning ball 211. Through the structure, the positioning ball 211 can enter the positioning inclined surface cavity 232 on the shaft sleeve 23 and cannot fall out from one end of the positioning through hole 222 far away from the shaft sleeve 23, and the limiting of the quick coupling is affected.
In one embodiment, a first positioning stop ring 110 is disposed inside the first tube 12, the edge positions of the first valve 16 and the second valve 17 are pressed on the end surface of the first positioning stop ring 110 away from the plugging end, and a first sealing ring 111 is disposed on the end surface of the first positioning stop ring 110 away from the plugging end. The first positioning baffle ring 110 is arranged to facilitate the definition of the closing positions of the first valve 16 and the second valve 17, thereby ensuring the reliability of the closing of the first valve 16 and the second valve 17. The first sealing ring 111 is arranged on the end face of the first positioning baffle ring 110, which is contacted with the first valve 16 and the second valve 17, so that the sealing performance of the valve on the male connector 1 is ensured.
In another embodiment, a second positioning stop ring 223 is disposed inside the second tube 22, the edge positions of the third valve 25 and the fourth valve 26 are pressed on the end surface of the second positioning stop ring 223 far away from the plugging end, a second sealing ring 212 is disposed on the end surface of the second positioning stop ring 223 far away from the plugging end, a third sealing ring 213 is disposed on the end surface of the second positioning stop ring 223 near the plugging end, and the inner diameter of the third sealing ring 213 is smaller than the inner diameter of the second positioning stop ring 223. The second sealing ring 212 is arranged on the end face of the second positioning baffle ring 223, which is in contact with the third valve 25 and the fourth valve 26, so that the sealing performance of the valve closing on the female joint 2 is ensured. Through setting up third sealing washer 213, and the internal diameter of third sealing washer 213 is less than the internal diameter that second location kept off ring 223 for when male joint 1 inserted in female joint 2, the medial surface of third sealing washer 213 and the surface laminating of first body 12, thereby realize the sealed of pipeline when male joint 1 and female joint 2 are connected.
In order to improve the strength of the positioning ball 211 and prolong the service life of the positioning ball 211, the positioning ball 211 is a steel ball.
In order to facilitate the use of the male connector 1 and the female connector 2 in a plugging manner, a first driving ring platform 11 is arranged at a position, away from the plugging end, of the male connector 1, a second driving ring platform 21 is arranged at a position, away from the plugging end, of the female connector 2, and the outer side surfaces of the first driving ring platform 11 and the second driving ring platform 21 are of hexagonal structures. In one embodiment, the hexagonal configuration of the first and second drive lands 11, 21 is provided with anti-slip threads on the outside surface.
Further, the first valve opening structure 14 and the second valve opening structure 29 are insertion pieces or ejector pins, the outer surface of the male connector 1 is provided with a first pair of positive marks 15 convenient for insertion assembly, and the outer surface of the female connector 2 is provided with a second pair of positive marks 24 convenient for insertion assembly. In one embodiment, the first pair of positive marks 15 and the second pair of positive marks 24 are dimples. Through setting up the sign of adjusting well, make things convenient for the quick grafting of male joint 1 and female joint 2, improved grafting efficiency.
In a specific embodiment, the self-locking structure comprises a buckle and a clamping groove which are matched, the buckle is arranged on the male connector 1, and the clamping groove is arranged on the female connector 2. Or in another specific embodiment, the buckle is arranged on the female connector 2, and the clamping groove is arranged on the male connector 1. The structure and connection of the buckle and the clamping groove are the structures commonly used in the prior art, and are not described here.
In order to prevent the end of the shaft sleeve 23 from sliding out of the female connector 2 under the resilience of the pressure spring 210, a limiting convex ring 214 for limiting the position of the shaft sleeve 23 is further arranged on the female connector 2, and the limiting convex ring 214 is arranged on the inner side of the end of the shaft sleeve 23 far away from the plugging end.
When the male connector 1 and the female connector 2 are plugged for use, the shaft sleeve 23 is manually pushed towards the opposite direction of the plugging end, at this time, the contact position between the shaft sleeve 23 and the positioning ball 211 is changed from a horizontal pressing surface to a positioning inclined surface cavity 232, the positioning ball 211 exits from a positioning through hole 222 on the second pipe body 22, then the male connector 1 is inserted, the first valve ejection structure 14 of the first pipe body 12 contacts the third valve 25 and the fourth valve 26 in the plugging process, the second valve ejection structure 29 of the second pipe body 22 contacts the first valve 16 and the second valve 17, the valves on the male connector 1 and the female connector 2 are ejected under the pushing of external force, the valves rotate, and along with the plugging of the male connector 1, the inner side surface of the third sealing ring 213 is attached to the outer surface of the first pipe body 12, so that the sealing of the pipeline is realized, and the valves are completely ejected. Then the shaft sleeve 23 is loosened, the shaft sleeve 23 automatically resets under the action of the elastic force of the pressure spring 210, the positioning ball 211 is completely extruded back into the second pipe body 22, and the positioning ball 211 blocks the side face, far away from the plugging end, of the limiting boss 13 on the first pipe body 12, so that the self-locking of the male connector 1 and the female connector 2 is realized.
When the male connector is disassembled, the shaft sleeve 23 is manually pushed towards the opposite direction of the inserting end, at the moment, the positioning ball 211 is withdrawn from the second pipe body 22, the side surface of the limiting boss 13 on the first pipe body 12 is not blocked, the male connector 1 is pulled out, the first valve ejection structure 14 also moves along with the male connector, in the process, due to the torsion action of the first torsion spring 18 and the second torsion spring 27, the first valve 16 and the second valve 17, the third valve 25 and the fourth valve 26 rotate and reset, after the first valve ejection structure 14 is completely withdrawn, the first valve 16 and the second valve 17, and the third valve 25 and the fourth valve 26 are also completely reset, and at this time, under the dual actions of the liquid pressure in the pipe and the torsion force of the torsion spring, the first valve 16 and the second valve 17 contact the first sealing ring 111, and the third valve 25 and the fourth valve 26 contact the second sealing ring 212, so that the independent self-locking of the male connector 1 and the female connector 2 is respectively realized.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. A quick connector comprises a male connector (1) and a female connector (2) which are connected in an inserting mode, and is characterized in that the male connector (1) comprises a first pipe body (12), a first positioning shaft (19) is arranged inside the first pipe body (12), a first valve (16) and a second valve (17) are connected to the first positioning shaft (19) in a rotating mode, and a first torsion spring (18) used for controlling the first valve (16) and the second valve (17) to be closed is sleeved on the first positioning shaft (19); the female joint (2) comprises a second pipe body (22), a second positioning shaft (28) is arranged inside the second pipe body (22), a third valve (25) and a fourth valve (26) are connected to the second positioning shaft (28) in a rotating mode, and a second torsion spring (27) used for controlling the third valve (25) and the fourth valve (26) to be closed is sleeved on the second positioning shaft (28); a first valve ejection structure (14) is arranged on the first positioning shaft (19) close to the insertion end, and a second valve ejection structure (29) is arranged on the second positioning shaft (28) close to the insertion end;
the first valve ejection structure (14) and the second valve ejection structure (29) are insertion pieces or ejector pins;
the first valve ejection structure (14) is in contact with the third valve (25) and the fourth valve (26), the second valve ejection structure (29) of the second pipe body (22) is in contact with the first valve (16) and the second valve (17), and the valves on the male connector (1) and the female connector (2) are ejected;
the inner part of the first pipe body (12) is provided with a first positioning baffle ring (110), the edge positions of the first valve (16) and the second valve (17) are pressed on the end face, far away from the insertion end, of the first positioning baffle ring (110), and a first sealing ring (111) is arranged on the end face, far away from the insertion end, of the first positioning baffle ring (110).
2. The quick connector according to claim 1, characterized in that a self-locking structure is arranged on the female connector (2), and a limiting structure matched with the self-locking structure is arranged on the male connector (1).
3. The quick connector according to claim 2, wherein the self-locking structure comprises a shaft sleeve (23), the shaft sleeve (23) is slidably sleeved on the outer side surface of the second pipe body (22) close to the insertion end, a positioning ball (211) and a pressure spring (210) are arranged on the inner side of the shaft sleeve (23), one end of the pressure spring (210) is arranged on the end surface of a positioning boss (231) on the shaft sleeve (23), and the other end of the pressure spring is arranged on the end surface of a positioning convex ring (221) on the outer surface of the second pipe body (22); a positioning inclined surface cavity (232) and a horizontally arranged pressing surface are arranged on the shaft sleeve (23), the minimum size end of the positioning inclined surface cavity (232) is connected with the pressing surface, the pressing surface corresponds to a positioning through hole (222) arranged on the second pipe body (22), and the positioning ball (211) is slidably connected in the positioning through hole (222); the limiting structure is a limiting boss (13), and the positioning ball (211) is matched with the limiting boss (13) for limiting.
4. The quick connector of claim 3, characterized in that the size of the end of the positioning through hole (222) close to the bushing (23) is larger than the diameter size of the positioning ball (211), and the size of the end far away from the bushing (23) is smaller than the diameter size of the positioning ball (211).
5. The quick coupling according to claim 1, wherein a second positioning stop ring (223) is disposed inside the second pipe body (22), the edge positions of the third valve (25) and the fourth valve (26) are pressed on the end surface of the second positioning stop ring (223) far away from the plugging end, a second sealing ring (212) is disposed on the end surface of the second positioning stop ring (223) far away from the plugging end, a third sealing ring (213) is disposed on the end surface of the second positioning stop ring (223) near the plugging end, and the inner diameter of the third sealing ring (213) is smaller than that of the second positioning stop ring (223).
6. The quick coupling according to claim 3, characterized in that said positioning ball (211) is a steel ball.
7. The quick connector according to claim 1, wherein a first driving ring platform (11) is arranged at a position of the male connector (1) far away from the plugging end, a second driving ring platform (21) is arranged at a position of the female connector (2) far away from the plugging end, and the outer side surfaces of the first driving ring platform (11) and the second driving ring platform (21) are both in a hexagonal structure.
8. Quick-coupling according to claim 1, characterized in that the external surface of the male coupling (1) is provided with a first pair of positive markings (15) facilitating the plug-in assembly, and the external surface of the female coupling (2) is provided with a second pair of positive markings (24) facilitating the plug-in assembly.
9. The quick connector according to claim 2, wherein the self-locking structure comprises a buckle and a clamping groove which are used in cooperation, and the buckle and the clamping groove are respectively arranged on the male connector (1) or the female connector (2).
10. A quick coupling according to claim 3, characterized in that the female coupling (2) is provided with a stop collar (214) for limiting the position of the sleeve (23), the stop collar (214) being arranged on the inside of the end of the sleeve (23) remote from the plugging end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910016639.1A CN109506061B (en) | 2019-01-08 | 2019-01-08 | Quick connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910016639.1A CN109506061B (en) | 2019-01-08 | 2019-01-08 | Quick connector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109506061A CN109506061A (en) | 2019-03-22 |
| CN109506061B true CN109506061B (en) | 2021-03-23 |
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ID=65757402
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910016639.1A Active CN109506061B (en) | 2019-01-08 | 2019-01-08 | Quick connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109506061B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112594467B (en) * | 2020-12-23 | 2022-06-24 | 象山兴驰液压润滑有限公司 | Anti-splashing liquid pipeline quick joint |
| CN112856212B (en) * | 2021-01-04 | 2023-02-28 | 宁波市巴克蓄能器技术有限公司 | Inflating equipment |
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|---|---|---|---|---|
| CN204756241U (en) * | 2015-07-17 | 2015-11-11 | 上海雷珍医疗科技有限公司 | Connect guiding device soon |
| CN107575682A (en) * | 2017-10-27 | 2018-01-12 | 魏仲圣 | A kind of loading-unloading vehicle snap joint from cut-out structure |
| CN207195917U (en) * | 2017-09-07 | 2018-04-06 | 玉环奥恒机械有限公司 | A kind of hydraulic quick coupling |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201335224Y (en) * | 2008-09-11 | 2009-10-28 | 王晓勇 | Piping joint with valve |
| EP2765344B1 (en) * | 2013-02-09 | 2015-06-17 | Manfred Völker | Coupling unit |
| CN204829061U (en) * | 2015-06-09 | 2015-12-02 | 新奥气化采煤有限公司 | High -speed joint connects |
| CN205424212U (en) * | 2015-12-11 | 2016-08-03 | 嘉兴市南湖区新篁仪表配件厂（普通合伙） | Quick coupling |
| CN107906290A (en) * | 2017-11-06 | 2018-04-13 | 肇庆市大旺大庆炉具制品企业有限公司 | A kind of rapid connector component |
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2019
- 2019-01-08 CN CN201910016639.1A patent/CN109506061B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204756241U (en) * | 2015-07-17 | 2015-11-11 | 上海雷珍医疗科技有限公司 | Connect guiding device soon |
| CN207195917U (en) * | 2017-09-07 | 2018-04-06 | 玉环奥恒机械有限公司 | A kind of hydraulic quick coupling |
| CN107575682A (en) * | 2017-10-27 | 2018-01-12 | 魏仲圣 | A kind of loading-unloading vehicle snap joint from cut-out structure |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109506061A (en) | 2019-03-22 |
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Denomination of invention: A quick connector Granted publication date: 20210323 Pledgee: Hunan Xingsha Rural Commercial Bank Co.,Ltd. quantang sub branch Pledgor: CHANGSHA GUANGYI CONVERTING TECHNIQUE Co.,Ltd. Registration number: Y2024980021255 |