CN109506061A - A kind of quick coupling - Google Patents

A kind of quick coupling Download PDF

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Publication number
CN109506061A
CN109506061A CN201910016639.1A CN201910016639A CN109506061A CN 109506061 A CN109506061 A CN 109506061A CN 201910016639 A CN201910016639 A CN 201910016639A CN 109506061 A CN109506061 A CN 109506061A
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CN
China
Prior art keywords
valve
positioning
quick coupling
female connector
inserted terminal
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.)
Granted
Application number
CN201910016639.1A
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Chinese (zh)
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CN109506061B (en
Inventor
熊霁宇
刘文强
杨斌
王颖曜
黄柱
舒均庆
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.)
CHANGSHA GUANGYI CONVERTING TECHNOLOGY Co Ltd
Original Assignee
CHANGSHA GUANGYI CONVERTING TECHNOLOGY Co Ltd
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Priority to CN201910016639.1A priority Critical patent/CN109506061B/en
Publication of CN109506061A publication Critical patent/CN109506061A/en
Application granted granted Critical
Publication of CN109506061B publication Critical patent/CN109506061B/en
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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L37/00Couplings of the quick-acting type
    • F16L37/28Couplings of the quick-acting type with fluid cut-off means
    • F16L37/30Couplings of the quick-acting type with fluid cut-off means with fluid cut-off means in each of two pipe-end fittings
    • F16L37/32Couplings 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
    • F16L37/33Couplings 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
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L37/00Couplings of the quick-acting type
    • F16L37/22Couplings 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
    • F16L37/23Couplings 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 kind of quick couplings, pin end and female connector including grafting, are provided with locating shaft in the pin end and female connector, are rotatably connected to valve on the locating shaft;Inserted terminal is provided with valve on the locating shaft and opens structure.The pin end and female connector use convertible valve mechanism, in the case where same maximum pipeline sectional area, increase the cross-sectional flow area at valve.At docking valve, there is same flow, in the case where same cross-sectional flow area, the present invention effectively reduces the largest cross-sectional sized of quick coupling, and for liquid when flowing through quick coupling, cross-section variation is small, effectively reduces the out-of-date pressure loss of liquid flow.

Description

A kind of quick coupling
Technical field
The present invention relates to technical field of pipeline connection, in particular to a kind of quick coupling.
Background technique
Quick coupling is that a kind of tool that do not need can be achieved with the connector of pipeline connection or disconnection.
Current quick coupling, valve all design substantially for telescopic plug, and plug the maximum cross-section area need to be greater than valve Cross-sectional area, which just can guarantee, in place's pipe blocks pipeline, so that cross-sectional area is at valve in the maximum pipe of quick coupling The 2 times or more of cross-sectional area in managing just can guarantee that liquid by required space, causes quick coupling occupancy volume larger, Meanwhile quick coupling cavity maximum cross-sectional area differs larger with interior cross-sectional area is managed at valve, liquid is flowing through this section of way Since cross-section variation is big when diameter, the pressure loss of generation is also larger.
Therefore, how to provide that a kind of the maximum cross-section area is small, and circulation area variation when liquid passes through is small, to make to connect The small quick coupling of the pressure loss of place's liquid is connect, those skilled in the art's technical problem urgently to be resolved is become.
Summary of the invention
In view of this, to reduce the maximum cross-section area of quick coupling, being reduced the present invention provides a kind of quick coupling The variation of cross-sectional area when liquid passes through quick coupling, so that small by the pressure loss of the liquid of quick coupling.
To achieve the above object, the invention provides the following technical scheme:
A kind of quick coupling, pin end and female connector including grafting, the pin end include the first tube body, described first Tube body is internally provided with the first locating shaft, and the first valve and the second valve are rotatably connected on first locating shaft, described The first torsional spring closed for controlling first valve and the second valve is arranged on first locating shaft;The female connector includes Second tube body, second tube body are internally provided with the second locating shaft, are rotatably connected to third valve on second locating shaft Door and the 4th valve are arranged on second locating shaft and turn round for controlling the third valve and the 4th valve are closed second Spring;Inserted terminal is provided with the first valve on first locating shaft and opens structure, is set on the second locating shaft close to inserted terminal It is equipped with the second valve and opens structure.
Preferably, it is provided with self-locking structure on the female connector, is provided on the pin end and matches with the self-locking structure Close the position limiting structure used.
Preferably, the self-locking structure includes axle sleeve, and the axle sleeve is slidably located in second tube body close to inserted terminal Lateral surface, be provided with positioning ball on the inside of the axle sleeve and the convex on the axle sleeve be arranged in pressure spring, described pressure spring one end On the end face of platform, the other end is arranged on the end face of the positioning convex ring of second outer surface of tube body;It is provided on the axle sleeve Inclined-plane chamber and horizontally disposed seal face are positioned, the minimum dimension end of the positioning inclined-plane chamber is connect with the seal face, described The positioning through hole position being arranged on seal face and second tube body is corresponding, and the positioning ball is slidably connected at the positioning through hole It is interior;The position limiting structure is positive stop lug boss, and the positioning ball and positive stop lug boss cooperation limit.
Preferably, the positioning through hole is greater than the diameter dimension of the positioning ball close to one end size of the axle sleeve, far One end size from the axle sleeve is less than the diameter dimension of the positioning ball.
Preferably, first tube body is internally provided with the first positioning baffle ring, first valve and the second valve Marginal position is pressed in the first positioning baffle ring far from the end face of inserted terminal, and described first positions end of the baffle ring far from inserted terminal The first sealing ring is provided on face.
Preferably, second tube body is internally provided with the second positioning baffle ring, the third valve and the 4th valve Marginal position is pressed in the second positioning baffle ring far from the end face of inserted terminal, and described second positions end of the baffle ring far from inserted terminal The second sealing ring is provided on face, the second positioning baffle ring is provided with third sealing ring on the end face of inserted terminal, described The internal diameter of third sealing ring is less than the internal diameter of the second positioning baffle ring.
Preferably, the positioning ball is steel ball.
Preferably, the pin end is provided with the first driving land far from the position of inserted terminal, and the female connector is far from slotting The position for connecing end is provided with the second driving land, and it is hexagon that the first driving land and second, which drive the lateral surface of land, Structure.
Preferably, first valve opens structure and the second valve opens structure as inserted sheet or thimble;The pin end Outer surface be provided with the positive mark of first pair for facilitating grafting to assemble, the outer surface of female connector is provided with facilitate grafting to assemble the Two pairs of positive marks.
Preferably, the self-locking structure includes the buckle and card slot being used cooperatively, and the buckle, card slot are separately positioned on institute It states on pin end or female connector.
Preferably, the position limiting convex ring for limiting the axle sleeve position, the position limiting convex ring are provided on the female connector The inside of end of the axle sleeve far from inserted terminal is set.
It can be seen from the above technical proposal that the present invention provides a kind of quick couplings, wherein the pin end and mother connect Head uses convertible valve mechanism, in the case where same maximum pipeline sectional area, increases the cross-sectional flow area at valve. At docking valve, there is same flow, in the case where same cross-sectional flow area, the present invention effectively reduces quick coupling Largest cross-sectional sized, for liquid when flowing through quick coupling, cross-section variation is small, effectively reduces the out-of-date pressure damage of liquid flow It loses.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with It obtains other drawings based on these drawings.
Fig. 1 is the pin end of quick coupling provided in an embodiment of the present invention and the attachment structure schematic diagram of female connector;
Fig. 2 is the schematic cross-sectional view in Fig. 1 at the C-C of quick coupling;
Fig. 3 is the schematic perspective view of pin end provided in an embodiment of the present invention;
Fig. 4 is a kind of structural schematic diagram of angle of pin end provided in an embodiment of the present invention;
Fig. 5 is the structural schematic diagram of another angle of pin end provided in an embodiment of the present invention;
Fig. 6 is the structural schematic diagram of another angle of pin end provided in an embodiment of the present invention;
Fig. 7 is the schematic cross-sectional view at the A-A in Fig. 4;
Fig. 8 is a kind of structural schematic diagram of angle of female connector provided in an embodiment of the present invention;
Fig. 9 is the structural schematic diagram of another angle of female connector provided in an embodiment of the present invention;
Figure 10 is the structural schematic diagram of another angle of female connector provided in an embodiment of the present invention;
Figure 11 is the schematic cross-sectional view in Fig. 9 at B-B.
1, pin end, the 11, first driving land, the 12, first tube body, 13, positive stop lug boss, the 14, first valve open structure, 15, first pair of positive mark, the 16, first valve, the 17, second valve, the 18, first torsional spring, the 19, first locating shaft, 110, first is fixed Position baffle ring, the 111, first sealing ring, 2, female connector, the 21, second driving land, the 22, second tube body, 221, positioning convex ring, 222, Positioning through hole, the 223, second positioning baffle ring, 23, axle sleeve, 231, positioning convex platform, 232, positioning inclined-plane chamber, 24, second pairs of positive marks To know, 25, third valve, the 26, the 4th valve, the 27, second torsional spring, the 28, second locating shaft, the 29, second valve opens structure, 210, Pressure spring, 211, positioning ball, the 212, second sealing ring, 213, third sealing ring, 214, position limiting convex ring.
Specific embodiment
The invention discloses a kind of quick couplings to reduce liquid and pass through to reduce the maximum cross-section area of quick coupling The variation of cross-sectional area when quick coupling, so that small by the pressure loss of the liquid of quick coupling.
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other Embodiment shall fall within the protection scope of the present invention.
Fig. 1-Figure 11 is please referred to, the invention discloses a kind of quick couplings, pin end 1 and female connector 2 including grafting, public Connector 1 includes the first tube body 12, and the first tube body 12 is internally provided with the first locating shaft 19, is rotatablely connected on the first locating shaft 19 There are the first valve 16 and the second valve 17, is arranged on the first locating shaft 19 and is closed for controlling the first valve 16 and the second valve 17 The first torsional spring 18 closed;Female connector 2 includes the second tube body 22, and the second tube body 22 is internally provided with the second locating shaft 28, and second It is rotatably connected to third valve 25 and the 4th valve 26 on locating shaft 28, is arranged on the second locating shaft 28 for controlling third valve The second torsional spring 27 that door 25 and the 4th valve 26 are closed;Inserted terminal is provided with the first valve on first locating shaft 19 and opens knot Structure 14 is provided with the second valve close to inserted terminal on second locating shaft 28 and opens structure 29.When 2 grafting of pin end 1 and female connector When, the second valve opens structure 29 and opens structure 14 for pushing up for opening the first valve 16 and the second valve 17, the first valve Third valve 25 and the 4th valve 26 are opened, so that the pin end 1 of quick coupling be made to be connected to female connector 2.
The pin end 1 and female connector 2 of the technical program use convertible valve mechanism, realize liquid communication in joint cavity Cross-sectional area is variable, in the case where same maximum pipeline sectional area, increases the cross-sectional flow area at valve.In docking valve Door place, with same flow, in the case where same cross-sectional flow area, the present invention effectively reduces the maximum cross-section of quick coupling Size, for liquid when flowing through quick coupling, cross-section variation is small, effectively reduces the out-of-date pressure loss of liquid flow.
In order to realize the positioning after 2 grafting of pin end 1 and female connector, self-locking structure, pin end 1 are provided on female connector 2 On be provided with the position limiting structure being used cooperatively with the self-locking structure.
Specifically, the self-locking structure includes axle sleeve 23, axle sleeve 23 is slidably located in the second tube body 22 close to inserted terminal Lateral surface is provided with positioning ball 211 and pressure spring 210 in 23 medial compartment of axle sleeve, and 210 one end of pressure spring, which is fixed on axle sleeve 23, determines On the end face of position boss 231, the other end is fixed on the end face of the positioning convex ring 221 of 22 outer surface of the second tube body.On axle sleeve 23 It is provided with positioning inclined-plane chamber 232 and horizontally disposed seal face, the minimum dimension end and the seal face for positioning inclined-plane chamber 232 connect It connects, 222 position of positioning through hole being arranged on the seal face and the second tube body 22 is corresponding, and positioning ball 211 is slidably connected at positioning In through-hole 222;The position limiting structure is positive stop lug boss 13, and positioning ball 211 and the cooperation of positive stop lug boss 13 limit.In use, positioning Ball 211 is embedded in positioning through hole 222, and is positioned the one end of ball 211 far from axle sleeve 23 and exposed one from the other end of positioning through hole 222 Part, this part are contacted with the side of positive stop lug boss 13, so that pin end 1 be prevented to skid off out of female connector 2.Pressure spring 210 is used for The reliability of axle sleeve 23 to automatically reset and guarantee positioning, prevents axle sleeve 23 from arbitrarily sliding.By setting positioning inclined-plane chamber 232 and For compressing the seal face of positioning ball 211, position of the positioning ball 211 in positioning through hole 222 is changed, thus convenient The connection and disassembly of pin end 1 and female connector 2.
Positive stop lug boss 13 on pin end 1 is limited in order to enable positioning ball 211 is convenient, and prevents positioning ball 211 It drops out, is influenced using positioning through hole 222 is big close to one end size of axle sleeve 23 from positioning through hole 222 far from one end of axle sleeve 23 In the diameter dimension of positioning ball 211, one end size far from axle sleeve 23 is less than the diameter dimension of positioning ball 211.Pass through this knot Structure setting, so that positioning ball 211 can both enter in the positioning inclined-plane chamber 232 on axle sleeve 23, it will not be remote from positioning through hole 222 One end of off-axis set 23 drops out, and influences the limit of quick coupling.
Wherein, in one embodiment, the first tube body 12 is internally provided with the first positioning baffle ring 110, the first valve 16 and second the marginal position of valve 17 be pressed in the first positioning baffle ring 110 far from the end face of inserted terminal, the first positioning baffle ring 110 The first sealing ring 111 is provided on end face far from inserted terminal.It is convenient to the first valve by setting the first positioning baffle ring 110 16 and second the closed position of valve 17 be defined, to guarantee that the first valve 16 and the second valve 17 close reliability.It is logical It crosses and first sealing ring 111 is set on the end face that the first positioning baffle ring 110 is contacted with the first valve 16 and the second valve 17, guarantee The leakproofness that valve on pin end 1 is closed.
In another embodiment, the second tube body 22 is internally provided with the second positioning baffle ring 223,25 He of third valve The marginal position of 4th valve 26 is pressed in the second positioning baffle ring 223 far from the end face of inserted terminal, and the second positioning baffle ring 223 is separate The second sealing ring 212 is provided on the end face of inserted terminal, the second positioning baffle ring 223 is provided with third on the end face of inserted terminal Sealing ring 213, the internal diameter of third sealing ring 213 position the internal diameter of baffle ring 223 less than second.By positioning baffle ring 223 second The second sealing ring 212 is set on the end face contacted with third valve 25 and the 4th valve 26, ensure that the valve on female connector 2 closes The leakproofness closed.By the way that third sealing ring 213 is arranged, and the internal diameter of third sealing ring 213 is less than in the second positioning baffle ring 223 Diameter, when so that pin end 1 being inserted into female connector 2, the medial surface of third sealing ring 213 is bonded with the outer surface of the first tube body 12, The sealing of pipeline when to realize that pin end 1 and female connector 2 connect.
In order to improve the intensity of positioning ball 211, extend the service life of positioning ball 211, positioning ball 211 is steel ball.
It is used in order to facilitate pin end 1 and 2 grafting of female connector, pin end 1 is provided with the first drive far from the position of inserted terminal Rotating ring platform 11, female connector 2 are provided with the second driving land 21, the first driving land 11 and the second driving far from the position of inserted terminal The lateral surface of land 21 is hexagonal structure.In a specific embodiment, the first driving land 11 and the second driving land 21 Hexagonal structure lateral surface on be provided with anti-skid chequer.
Further, the first valve open structure 14 and the second valve to open structure 29 be inserted sheet or thimble, pin end 1 Outer surface is provided with the positive mark 15 of first pair for facilitating grafting to assemble, and the outer surface of female connector 2, which is provided with, facilitates grafting assembly Second pair of positive mark 24.In a specific embodiment, first pair of positive mark 15 and second pair of positive mark 24 are pit.By setting It sets to positive mark, facilitates the quick grafting of pin end 1 and female connector 2, improve grafting efficiency.
In a specific embodiment, the self-locking structure includes the buckle and card slot being used cooperatively, the buckle setting On pin end 1, the card slot is arranged on female connector 2.Or in another specific embodiment, the buckle setting connects in mother On first 2, the card slot is arranged on pin end 1.Wherein, it is described buckle and card slot structure and be connected as commonly using in the prior art Structure, no longer describe herein.
The end of axle sleeve 23 skids off female connector 2 under the rebound effect of pressure spring 210 in order to prevent, on female connector 2 also It is provided with the position limiting convex ring 214 for limiting 23 position of axle sleeve, the axle sleeve 23 is arranged in far from inserted terminal in position limiting convex ring 214 The inside of end.
Pin end 1 and 2 grafting of female connector are in use, manually push axle sleeve 23 toward inserted terminal opposite direction, axle sleeve 23 at this time Become positioning inclined-plane chamber 232 from horizontal seal face with the contact position of positioning ball 211, positions ball 211 from the second tube body 22 Positioning through hole 222 in exit a part, then pin end 1 is inserted into, the first valve top of the first tube body 12 in insertion process Opening structure 14 touches third valve 25 and the 4th valve 26, and the second valve of the second tube body 22 opens structure 29 and touches first Valve 16 and the second valve 17, under the promotion of external force, pin end 1 is opened with the valve on female connector 2, valve rotation, with The insertion of pin end 1, the medial surface of third sealing ring 213 be bonded with the outer surface of the first tube body 12, realize the sealing of pipeline, Valve is pushed completely out.Axle sleeve 23 is then unclamped, under the elastic force effect of pressure spring 210,23 self-resetting of axle sleeve, and ball will be positioned 211 squeeze back in the second tube body 22 completely, position positive stop lug boss 13 of the gear of ball 211 on the first tube body 12 at this time far from inserted terminal Side, realize the self-locking of pin end 1 and female connector 2.
When fractionation, axle sleeve 23 is pushed manually toward inserted terminal opposite direction, positions ball 211 at this time and moved back from the second tube body 22 Out, 13 side of positive stop lug boss on the first tube body 12 is unobstructed, and pin end 1 is extracted, and the first valve opens structure 14 also therewith Movement makes the first valve 16 and the second valve 17, the due to the twisting force of the first torsional spring 18 and the second torsional spring 27 during this Three valves 25 are rotated and are resetted with the 4th valve 26, after the structure 14 that the first valve opens exits completely, the first valve 16 and second Valve 17, third valve 25 can also reset completely with the 4th valve 26, and the torsion of the fluid pressure in pipe and torsional spring is double at this time Under recast is used, the first valve 16 is contacted with the second valve 17 with the first sealing ring 111, third valve 25 and the 4th valve 26 and the The contact of two sealing rings 212, realizes the independent self-locking of pin end 1 and female connector 2 respectively.
The foregoing description of the disclosed embodiments enables those skilled in the art to implement or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, as defined herein General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, of the invention It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one The widest scope of cause.

Claims (11)

1. a kind of quick coupling, pin end (1) and female connector (2) including grafting, which is characterized in that pin end (1) packet It includes the first tube body (12), first tube body (12) is internally provided with the first locating shaft (19), first locating shaft (19) On be rotatably connected to the first valve (16) and the second valve (17), be arranged on first locating shaft (19) described for controlling The first torsional spring (18) that first valve (16) and the second valve (17) are closed;The female connector (2) includes the second tube body (22), institute Being internally provided with the second locating shaft (28) for the second tube body (22) is stated, is rotatably connected to third valve on second locating shaft (28) Door (25) and the 4th valve (26) is arranged with for controlling the third valve (25) and the 4th on second locating shaft (28) The second torsional spring (27) that valve (26) is closed;Inserted terminal is provided with the first valve on first locating shaft (19) and opens knot Structure (14) is provided with the second valve close to inserted terminal on the second locating shaft (28) and opens structure (29).
2. quick coupling according to claim 1, which is characterized in that be provided with self-locking structure on the female connector (2), institute It states and is provided with the position limiting structure being used cooperatively with the self-locking structure on pin end (1).
3. quick coupling according to claim 2, which is characterized in that the self-locking structure includes axle sleeve (23), the axis Set (23) is slidably located in second tube body (22) close to the lateral surface of inserted terminal, and axle sleeve (23) inside is provided with positioning Ball (211) and pressure spring (210), the end face for the positioning convex platform (231) that described pressure spring (210) one end is arranged on the axle sleeve (23) On, the other end is arranged on the end face of the positioning convex ring (221) of the second tube body (22) outer surface;It is set on the axle sleeve (23) It is equipped with positioning inclined-plane chamber (232) and horizontally disposed seal face, the minimum dimension end of positioning inclined-plane chamber (232) and the pressure Tight face connects, and positioning through hole (222) position being arranged on the seal face and second tube body (22) is corresponding, the positioning ball (211) it is slidably connected in the positioning through hole (222);The position limiting structure is positive stop lug boss (13), the positioning ball (211) Cooperate with the positive stop lug boss (13) and limits.
4. quick coupling according to claim 3, which is characterized in that the positioning through hole (222) is close to the axle sleeve (23) one end size is greater than the diameter dimension of positioning ball (211), and one end size far from the axle sleeve (23) is less than institute State the diameter dimension of positioning ball (211).
5. quick coupling according to claim 1, which is characterized in that first tube body (12) is internally provided with first It positions baffle ring (110), the marginal position of first valve (16) and the second valve (17) is pressed in the first positioning baffle ring (110) on the end face far from inserted terminal, the first sealing is provided on the end face of the separate inserted terminal of the first positioning baffle ring (110) It encloses (111).
6. quick coupling according to claim 5, which is characterized in that second tube body (22) is internally provided with second It positions baffle ring (223), the marginal position of the third valve (25) and the 4th valve (26) is pressed in the second positioning baffle ring (223) on the end face far from inserted terminal, the second sealing is provided on the end face of the separate inserted terminal of the second positioning baffle ring (223) It encloses (212), second positioning baffle ring (223) is provided with third sealing ring (213), the third on the end face of inserted terminal The internal diameter of sealing ring (213) is less than the internal diameter of second positioning baffle ring (223).
7. quick coupling according to claim 3, which is characterized in that the positioning ball (211) is steel ball.
8. quick coupling according to claim 1, which is characterized in that the pin end (1) sets far from the position of inserted terminal It is equipped with the first driving land (11), the female connector (2) is provided with the second driving land (21) far from the position of inserted terminal, described The lateral surface of first driving land (11) and the second driving land (21) is hexagonal structure.
9. quick coupling according to claim 1, which is characterized in that first valve opens structure (14) and the second valve It is inserted sheet or thimble that door, which opens structure (29),;The outer surface of the pin end (1) is being provided with first pair for facilitating grafting to assemble just It identifies (15), the outer surface of female connector (2) is provided with the positive mark (24) of second pair for facilitating grafting to assemble.
10. quick coupling according to claim 2, which is characterized in that the self-locking structure includes the buckle being used cooperatively And card slot, the buckle, card slot are separately positioned on the pin end (1) or female connector (2).
11. quick coupling according to claim 3, which is characterized in that be provided on the female connector (2) for limiting The position limiting convex ring (214) of axle sleeve (23) position is stated, position limiting convex ring (214) setting is in the axle sleeve (23) far from inserted terminal The inside of end.
CN201910016639.1A 2019-01-08 2019-01-08 Quick connector Active CN109506061B (en)

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Application Number Priority Date Filing Date Title
CN201910016639.1A CN109506061B (en) 2019-01-08 2019-01-08 Quick connector

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Application Number Priority Date Filing Date Title
CN201910016639.1A CN109506061B (en) 2019-01-08 2019-01-08 Quick connector

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CN109506061A true CN109506061A (en) 2019-03-22
CN109506061B CN109506061B (en) 2021-03-23

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112594467A (en) * 2020-12-23 2021-04-02 象山兴驰液压润滑有限公司 Anti-splashing liquid pipeline quick joint
CN112856212A (en) * 2021-01-04 2021-05-28 宁波市巴克蓄能器技术有限公司 Novel inflation equipment

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CN201335224Y (en) * 2008-09-11 2009-10-28 王晓勇 Piping joint with valve
DE202013002839U1 (en) * 2013-02-09 2013-04-17 Manfred Völker clutch unit
CN204829061U (en) * 2015-06-09 2015-12-02 新奥气化采煤有限公司 High -speed joint connects
CN204756241U (en) * 2015-07-17 2015-11-11 上海雷珍医疗科技有限公司 Connect guiding device soon
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
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
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

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112594467A (en) * 2020-12-23 2021-04-02 象山兴驰液压润滑有限公司 Anti-splashing liquid pipeline quick joint
CN112856212A (en) * 2021-01-04 2021-05-28 宁波市巴克蓄能器技术有限公司 Novel inflation equipment
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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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