CN102927392A

CN102927392A - Quick coupling

Info

Publication number: CN102927392A
Application number: CN201210428006XA
Authority: CN
Inventors: 史在恒
Original assignee: Individual
Current assignee: Individual
Priority date: 2012-10-20
Filing date: 2012-10-20
Publication date: 2013-02-13
Anticipated expiration: 2032-10-20
Also published as: CN102927392B

Abstract

The invention belongs to the field of pipe connection, and particularly relates to a rapid coupling which is applied to the connection pipes and valves of fluids such as gas and liquid. The quick coupling comprises three components, namely a connection body, a sealing ring and a multifunctional movable sleeve; the three components can be freely assembled, disassembled and changed; the sealing ring is arranged between a ring-shaped boss in the connection body and a fixed limiting pin of the multifunctional movable sleeve and only moves in the range of the sealing wall of the connection body; the quantity of square side through holes of the connection body is equal to the quantity of elastic arm barb claws on the multifunctional movable sleeve; the elastic arm barb claws are correspondingly arranged and hooked on the hook walls of the square side through holes; and the inclined planes of the square side through holes of the connection body are staggered away from the inclined planes of the barb claws of the multifunctional movable sleeve. The quick coupling provided by the invention has the effects of overcoming the defects of the conventional quick couplings, enabling the mounting and dismounting between the connection pipes as well as between the connection pipes and the valves to be convenient and quick, being simple in structure, simple in manufacturing process and high in production efficiency, reducing the production cost and having wide application.

Description

A kind of rapid pipe joint

Technical field

The invention belongs to the pipeline connection area, a kind of rapid pipe joint in particular for the fluid connecting pipe such as gas, liquid and between taking over or between adapter and the valve etc.

Background technique

The now connection between employed plastics adapter and plastics adapter, plastics adapter and metal adapter or the valve in the life, mostly adopt pressure ring locking, hot melt, the modes such as bonding connect, hot melt connects needs to use special tool, install cumbersomely, also be not suitable for the user and install voluntarily and change to take over, utilize the adapter of Bond bonding of long duration easily go out harmful matter and affect water quality, when connection and dismounting, operation is trouble very, and user cost is high, and the interface quality can not guarantee.

Also there is in addition other rapid pipe joint of employing to carry out pipeline and connects, but its complicated structure, constituent elements is many, can not freely dismantle between parts, and complex production process, efficient is low, and cost is high, function singleness.Such as rapid pipe joint on the market, Fig. 1 is made of body 1, seal ring 2,

block

3 and 4 four parts of buckle, Fig. 2 is comprised of body 1, seal ring 2, fixed guide ring 5, clip 6,

block

7 and 8 six parts of sleeve pipe, these two kinds of rapid pipe joints are welding together between the parts, producing easily remains or impurity adheres on the seal ring, cause leaking and occur, just can't produce if having a power failure, must could produce in the zone of associate device, very passive, can only play the elicitation effect of taking over connection and gas and liquid on the function.

Summary of the invention

For overcome that plastics in the existing life are taken over and plastics are taken over, plastics are taken over and metal is taken over or valve between connection and the technical deficiency of joint structure, the invention provides a kind of rapid pipe joint, can freely dismantle between parts, diverse in function, easy for installation fast, reliable performance, simple in structure, preparation process is simple, time saving and energy saving, high-efficiency and low-cost production, be not mounted that scope limits, using scope is extensive.

The technical solution adopted for the present invention to solve the technical problems is: a kind of rapid pipe joint comprises connection body, seal ring, multifunctional movable cover three large parts, seal ring is installed in and connects fixedly between the position-limit foot of intrinsic annular boss and multifunctional movable cover, and seal ring can activity within connecting body sealed wall scope; Multifunctional movable cover elasticity arm barb pawl and the corresponding assembling of square side through hole that connects body make it not from taking off and can locality moving around; Connect the quantity of body square side through hole and the quantity correspondent equal of barb pawl; The inclined-plane is staggered in square side through hole inclined-plane and the barb pawl; The barb claw hook is on the hook wall time, and it is zero slit that elasticity arm divides between pin and the square side through hole chamfered edge bead, and elasticity arm divides the pin external diameter and is connected slit between the body sealed wall greater than the length of exposing at the inclination claw of elasticity arm inboard.

Described multifunctional movable cover, comprise a plurality of fixedly position-limit foots, and be located at guiding surface on the fixing position-limit foot, a plurality of elasticity arms, and be located at interior inclined-plane on the elasticity arm, barb pawl, minute pin, guiding surface, outer inclined-plane, the entrance guiding surface, and be injection-moulded in a plurality of inclination claws on a plurality of elasticity arms, it is injection molded into and is structure as a whole; Fixedly the interval arranges between position-limit foot and the elasticity arm, between be provided with the gap mutual noninterference, fixedly the position-limit foot end outside is plane of inclination (namely fixedly position-limit foot guiding surface), a plurality of fixedly position-limit foots and a plurality of elasticity arm surround same circular hole, a plurality of fixedly position-limit foot outer rims surround cylinder type, and fixedly the length of position-limit foot is more than or equal to the length of elasticity arm; Elasticity arm has elasticity, the inboard of its end is plane of inclination (being inclined-plane in the elasticity arm), the outside is guiding surface and barb pawl, pawl is to outside (being elasticity arm guiding surface and elasticity arm barb pawl), elasticity arm is arranged with inclined-plane (being the outer inclined-plane of elasticity arm) outward, and the elasticity arm end extends a minute pin (being that elasticity arm divides pin) take the elasticity arm internal surface as benchmark; The inclination claw is resilient blade, and most places in the elasticity arm, and with elasticity arm barb pawl position consistency, the sub-fraction of inclination is exposed outside the elasticity arm inboard, follows the deformation of elasticity arm and moves.

Described connection body comprises a plurality of square survey through holes, a plurality of hook wall, annular boss, micro loop boss, connects the body sealed wall, fixing spacing hole; It is cylindric connecting body interior, connects the boss that is provided with two different shelves rank in the body, and the mouth end side surface that connects body is provided with a plurality of square side through holes, and the lower edge of square side through hole is the inclined-plane, and the upper edge of square side through hole is the hook wall; Connecting the body sealed wall is located between annular boss and the square side through hole, fixedly spacing hole is located between annular boss and the micro loop boss, its fixedly the degree of depth of spacing hole more than or equal to taking over 1/3 of peripheral diameter, and greater than connecting the axial operating range of body between overlapping with multifunctional movable.

Described connection body, a kind of is connection body without filter screen, another kind is the connection body with filter screen, filter screen is positioned at the back of micro loop boss, filter screen in the distance of micro loop boss more than or equal to connecting 1/4 of the axial operating range of body between overlapping with multifunctional movable, filter screen can be integrated with being connected body, also can be that the outward edge of metal filter screen places in the body that connects body, also can filter screen mechanism be assemblied in the body that connects body.

Described connection body can be a pipe, also can be that the joint that connects two adapters, water tap, valve etc. are installed in the device on the pipeline.

Can change by free assembly and disassembly between this rapid pipe joint parts, miscellaneous part can not damaged or be affected when dismounting or replacing, and can reuse.

This rapid pipe joint is mainly by connection or separation between the realization adapter of multifunctional movable cover and adapter, adapter and metal adapter or the valve.

After take over inserting, to take over being connected between the body and sealed by seal ring, the inclination claw that the while multifunctional movable puts fastens adapter by the elastic force effect of elasticity arm, and the barb claw hook makes the adapter can not be from taking off on the hook wall of the survey through hole of connection body.

Need to be when taking off when taking over, according to taking over direction of insertion extruding multifunctional movable cover, the multifunctional movable cover drives takes over together motion, when adapter touched miniature boss, the inclined-plane contacted with square survey through hole inclined-plane in the elasticity arm, at this moment along with the increase of the dynamics of extruding, take over the miniature boss of extruding, the inclined-plane slides along square survey through hole inclined-plane in the elasticity arm that multifunctional movable puts, and makes the inclination claw that blocks adapter follow elasticity arm and opens together, takes over to extract and realizes from taking off.

When needing to decompose the rapid pipe joint parts, push simultaneously inwards elasticity arm barb pawl to breaking away from the hook wall scope that connects body, i.e. separable connection body, multifunctional movable cover, seal ring three large parts.

In the time of need to improving water quality, can select the rapid pipe joint (with the connection body of filter screen) with filter screen to connect at top or the end taken over; Do not need to improve water quality, can select rapid pipe joint without the filter screen connection body of filter screen (not with).

The invention has the beneficial effects as follows that this rapid pipe joint has overcome the shortcoming of present rapid pipe joint, make and take over and take over that the easy installation and removal between adapter and the valve is quick, itself is simple in structure, and manufacturing process is simple, and manufacturing efficiency is high, reduced cost of production, diverse in function acts on wide model.

Compared with prior art, the advantage of this rapid pipe joint is:

1. this rapid pipe joint only has three large parts to form, and simple in structure, rapid pipe joint on the market generally all is comprised of 4-6 parts;

2. this quick coupling structure is simple, so Master Cost is low, has reduced cost of production, and the elasticity arm of multifunctional movable cover has elasticity, manually just can press and assemble with being connected body, just can assemble production without any need for equipment, and efficient improves; Rapid pipe joint parts on the market are many, and Master Cost is high with the upper-part composition to have four at least, needs rigid or single-minded equipment to produce, and the time of production is relatively long;

3. can change by free assembly and disassembly between the three large parts, miscellaneous part can not damaged or be affected when dismounting or replacing, and can reuse, and reaches more thrifty purpose; Rapid pipe joint parts dismounting on the market is trouble relatively.

4. not only can be logical empty in this rapid pipe joint connection body body, also can be provided with filter screen, when the rapid pipe joint that is provided with filter screen is connected to the starting point of adapter or terminal the installation, not only play connection function, also play dredging of gas in the butt tube and liquid, the effect of filtration, purification, especially be installed in the starting point the water route of the external adapter of refrigerator taken over or when terminal, the water of introducing in the refrigerator is carried out filtration, purification, the refrigerator inside parts have been guaranteed, the stability of refrigerator water valve performance, also played the working life of protection prolongation refrigerator water valve, also have agriculture aspect sprayer to take over connection etc., rapid pipe joint capable of washing when needing; The elicitation effect of pipeline connection and gas and liquid is only played in rapid pipe joint on the market, does not have filter screen, does not have the filtration, purification effect.

5. do not need rigid or single-minded equipment to carry out special connection production when the assembling parts of this rapid pipe joint is produced, direct labor's assembling gets final product, quick and easy, the remains that produced when having avoided because of special the connection, cause the problem generations such as seal leakage, not limited by electricity consumption, without potential safety hazard, not limited by regional extent; Rapid pipe joint assembling on the market needs some rigid or single-minded equipment when producing, and produces easily remains or impurity and adheres on the seal ring, causes seal leakage to occur, and just can't produce in case have a power failure, and must could produce in the zone of associate device.

6. this rapid pipe joint can be selected the materials such as metal (copper/iron etc.), plastics (NYLON/POM/PP etc.), carbon fiber; Rapid pipe joint on the market, material to want consistent with some parts material or both Performance Ratio of material approaching just passable, have narrow limitation.

Description of drawings

The present invention is further described below in conjunction with drawings and Examples.

Fig. 1, Fig. 2 are the quick coupling structure generalized section of prior art.

Fig. 3 is that the present invention assembles schematic representation.

Fig. 4 is multifunctional movable cover axonometric drawing of the present invention.

Fig. 5 is the quick coupling structure sectional drawing without filter screen.

Fig. 5-1 is the connection body sectional drawing without filter screen.

Fig. 5-2 connects the body plan view without filter screen.

Fig. 6 is the quick coupling structure sectional drawing with filter screen.

Fig. 6-1 connects the body sectional drawing for the band filter screen.

Fig. 6-2 connects the body plan view for the band filter screen.

1. bodies among the figure, 2. seal ring, 3. block, 4. buckle, 5. fixed guide ring, 6. clip, 7. block a shot, 8. sleeve pipe 9. connects body, 10. multifunctional movable cover, 11. take over 12. square side through holes, 13. square side through hole inclined-plane, 14. hook walls, 15. annular boss, 16. the micro loop boss, 17. connect the body sealed walls, 18. fixing spacing holes, 19. filter screen, 20. fixing position-limit foots, 21. elasticity arms, 22. inclined-plane in the elasticity arm, 23. elasticity arm barb pawls, 24. elasticity arms divide pin, 25. the elasticity arm guiding surface, the outer inclined-plane of 26. elasticity arms, 27. fixing position-limit foot guiding surfaces, 28. the entrance guiding surface, 29. inclination claws.

Embodiment:

With reference to accompanying drawing, a kind of rapid pipe joint comprises connection body 9, seal ring 2, multifunctional movable cover 10, three large parts.The elasticity arm barb pawl 23 that multifunctional movable is arranged with is buckled in and connects 12 li of the square side through holes that body is provided with, the quantity of square side through hole 12 equates with the quantity of elasticity arm barb pawl 23, multifunctional movable cover 10 elasticity arm barb pawl 23 when being connected body 9 and moving in opposite directions buckles on the hook wall 14 of connection body, and it is zero slit that elasticity arm divides between pin 24 and the square side through hole inclined-plane 13 edge mouths, and inclined-plane 22 is staggered with square side through hole inclined-plane 13 in the elasticity arm.

Multifunctional movable cover 10, comprise a plurality of fixedly position-limit foots 20, inclined-plane 22 in a plurality of elasticity arms 21, a plurality of elasticity arms, a plurality of elasticity arm barb pawls 23, a plurality of elasticity arms divide pin 24, a plurality of elasticity arm guiding surfaces 25, the outer inclined-plane 26 of a plurality of elasticity arms, a plurality of fixedly position-limit foot guiding surfaces 27, entrance guiding surface 28 and be injection-moulded in a plurality of inclination claws 29 on a plurality of elasticity arms 21, and be injection molded into and be structure as a whole; Fixedly the interval arranges between position-limit foot 20 and the elasticity arm 21, mutual noninterference; Fixedly the length of position-limit foot 20 is more than or equal to the length of elasticity arm 21, fixedly position-limit foot 20 is not only to the displacement restriction of seal ring 2 within connecting body 9 bodies, namely within connecting body sealed wall 17 scopes, limit, also to multifunctional movable cover 10 laterally the sphere of activities control within connecting body 9 bodies; Elasticity arm 21 has crooked elastic force, carries inclination claw 29 and does elastic movement; Inclined-plane 22 slides on the square survey through hole inclined-plane 13 that connects body 9 and makes elasticity arm 21 distortion in the elasticity arm; Elasticity arm barb pawl 23 hooks on the hook wall 14 that connects body 9, realizes connecting the effect that interconnects of body 9 and multifunctional movable cover 10; Elasticity arm divides pin 24 height less than or equal to fixing position-limit foot 20 height, and it is excessive that elasticity arm divides pin 24 to prevent because of the rapid pipe joint internal pressure with fixing position-limit foot 20, makes seal ring 2 that excessive deformations or distortion occur and the seal ring 2 that causes damages the phenomenons generations; Elasticity arm guiding surface 25 is with fixing position-limit foot guiding surface 27 guiding, multifunctional movable cover 10 is relatively easy to and is connected body 9 assemblings; Outer 26 pairs of these rapid pipe joints in inclined-plane of elasticity arm act on when taking over, the outer inclined-plane 26 of elasticity arm and hook wall 14 interior side contacts when elasticity arm barb pawl 23 hooks the hook wall 14 that connects body 9, make the horizontal possibility activity of multifunctional movable cover 10 within connecting body 9 controlled, also make the inclination claw 29 on the elasticity arm 21 more firmly block adapter 11, pressing down multifunctional movable cover 10 separation adapters 11 o'clock, the outer inclined-plane 26 of elasticity arm and the hook wall 14 inboard slits that produce make elasticity arm 21 drive inclination claw 29 and open easily; 11 direction of insertion of originally taking over 28 pairs of entrance guiding surfaces lead and proofread and correct, and make adapter 11 more be relatively easy to insert multifunctional movable and overlap in 10 bodies; Inclination claw 29 is resilient blade, a part places in the elasticity arm 21, and with elasticity arm barb pawl 23 position consistency, the part of inclination is exposed outside elasticity arm 21 inboards, block the adapter 11 of passing in the multifunctional movable cover 10, realize the connection function of this rapid pipe joint and adapter.

Connect body 9, comprise a plurality of square survey through holes 12, a plurality of square side through holes inclined-plane 13, a plurality of hook wall 14, annular boss 15, micro loop boss 16, connect body sealed wall 17, fixedly spacing hole 18, filter screen 19 (as required selection), the assembling that matches of the elasticity arm 21 of square survey through hole 12 and multifunctional movable cover 10, square survey through hole 12 lower edges are square side through hole inclined-plane 13, and the upper edge is hook wall 14; Square side through hole inclined-plane 13 Main Functions strut elasticity arm 21; Mutually the buckling of the elasticity arm barb pawl 23 of hook wall 14 and multifunctional movable cover 10 realized being connected body 9 and multifunctional movable and overlapped 10 be connected; Annular boss 15 is installed seal ring 2; Connect body sealed wall 17 between annular boss 15 and square side through hole 12, the seal action of fitted seal circle 2; 16 controls of micro loop boss are taken over 11 and are inserted the effective depth of rapid pipe joint; Fixedly spacing hole 18 is between annular boss 15 and micro loop boss 16, to insert to take over 11 horizontal the sphere of activities fixing with restriction, its fixedly the degree of depth of spacing hole 18 be more than or equal to take over 11 peripheral diameters 1/3 and overlap axial operating range between 10 greater than connecting body 9 and multifunctional movable; Filter screen 19 is positioned at the back of micro loop boss 16, main gas or the liquid of filtration, purification in taking over that plays a part, filter screen 19 in the distance of micro loop boss 16 more than or equal to 1/4 of the axial operating range between connection body 9 and the multifunctional movable 10.

When adapter is connected with this rapid pipe joint, adapter 11 is led by the entrance guiding surface 28 of multifunctional movable cover 10 first, then enter that multifunctional movable overlaps in 10 bodies and with inclination claw 29 Surface Contacts, insert under the acting in conjunction that is increased in inclined-plane 22 and square side through hole inclined-plane 13 in inclination claw 29 inclined-planes and the elasticity arm of dynamics with taking over 11, elasticity arm 21 is strutted and is driven inclination claw 29 and opened, then pass seal ring 2 and insert fixedly spacing hole 18, when touching miniature belt boss 16, adapter 11 stops to insert motion, at this moment block and take over 11 outer rims at the elasticity arm 21 elastic force effects claw 29 that has a down dip, when adapter 11 opposite directions were stressed, elasticity arm barb pawl 23 hooks to connect on the body hook wall 14 finished linkage function.

When adapter separates with rapid pipe joint, press multifunctional movable cover 10 (along taking over 11 direction of insertion), originally take over 11 and together motion of multifunctional movable cover 10, inclined-plane 22 contacts with square side through hole inclined-plane 13 in moving to elasticity arm, taking over simultaneously 11 contacts with micro loop boss 16, along with the increase of pressing dynamics, when taking over 11 extruding micro loop boss 16, inclined-plane 22 13 slides to strut elasticity arm 21 and drive inclination claw 29 and opens with the outer rim of taking over 11 and separate along square side through hole inclined-plane in the elasticity arm, then extract and take over 11, because the elasticity of elasticity arm 21 self and the effect on square survey through hole inclined-plane 13, the multifunctional movable cover returns to nature, and separation function is finished in rapid pipe joint.

Specific embodiment described herein only is that spirit of the present invention is illustrated, those skilled in the art can make various modifications or replenish or adopt similar mode to replace described specific embodiment, but can't depart from spirit of the present invention or surmount the defined scope of appended claims.

Although submitting to, this paper used the connection body, seal ring, block, buckle, fixed guide ring, clip, block, sleeve pipe connects body, the multifunctional movable cover is taken over the square side through hole, square side through hole inclined-plane, hook wall, annular boss, the micro loop boss connects the body sealed wall, fixedly spacing hole, filter screen, fixing position-limit foot, elasticity arm, inclined-plane in the elasticity arm, elasticity arm barb pawl, elasticity arm divides pin, the elasticity arm guiding surface, the outer inclined-plane of elasticity arm, fixing position-limit foot guiding surface, entrance guiding surface, the technical terms such as inclination claw, but do not get rid of the possibility of using the other technologies term, using these technical terms only is in order to describe more easily and explain essence of the present invention, and they are construed to any additional restriction all is to disagree with spirit of the present invention.

Claims

1. rapid pipe joint, comprise and connect body, seal ring, multifunctional movable cover three large parts, it is characterized in that: seal ring is installed in and connects intrinsic annular boss and fixedly between the position-limit foot of multifunctional movable cover, and only movable in the scope that connects the body sealed wall, multifunctional movable cover elasticity arm barb pawl and the corresponding assembling of square side through hole that connects body, connect the quantity of body square side through hole and the quantity correspondent equal of elasticity arm barb pawl, the inclined-plane is staggered in square side through hole inclined-plane and the elasticity arm barb pawl elasticity arm; Elasticity arm barb claw hook is on the hook wall time, and it is zero slit that elasticity arm divides between pin and the square side through hole chamfered edge bead, and elasticity arm divides the pin external diameter and is connected slit between the body sealed wall greater than the length of exposing at the inclination claw of elasticity arm inboard.

2. rapid pipe joint according to claim 1, it is characterized in that: described multifunctional movable cover, comprise a plurality of fixedly position-limit foots, and be located at the guiding surface that fixing position-limit foot arrives, a plurality of elasticity arms, and be located at interior inclined-plane on the elasticity arm, barb pawl, minute pin, guiding surface, outer inclined-plane, entrance guiding surface, and being injection-moulded in a plurality of inclination claws on a plurality of elasticity arms, it is injection molded into and is structure as a whole.

3. according to claim 1,2 described rapid pipe joints, it is characterized in that: fixedly the interval arranges between position-limit foot and the elasticity arm, between be provided with the gap mutual noninterference, fixedly the position-limit foot end outside is the plane of inclination, a plurality of fixedly position-limit foots and a plurality of elasticity arm surround same circular hole, a plurality of fixedly position-limit foot outer rims surround cylinder type, and fixedly the length of position-limit foot is more than or equal to the length of elasticity arm.

4. according to claim 1,2 described rapid pipe joints, it is characterized in that: elasticity arm has elasticity, the interior outside of its end is the plane of inclination, the outside is elasticity arm guiding surface and elasticity arm barb pawl, pawl is to outwards, elasticity arm is arranged with the inclined-plane outward, and the elasticity arm end extends a minute pin take the elasticity arm internal surface as benchmark, and elasticity arm divides the pin height less than or equal to fixing position-limit foot height.

5. according to claim 1,2 described rapid pipe joints, it is characterized in that: the inclination claw is resilient blade, and most places in the elasticity arm, with elasticity arm barb pawl position consistency, the sub-fraction that tilts is exposed outside elasticity arm barb pawl inboard, follows elasticity arm and moves together.

6. rapid pipe joint according to claim 1 is characterized in that: described connection body comprises a plurality of square survey through holes, a plurality of hook wall, annular boss, micro loop boss, connects the body sealed wall, fixing spacing hole; It is cylindric connecting body interior, connects the boss that is provided with two different shelves rank in the body, and the mouth end side surface that connects body is provided with a plurality of square side through holes, and the lower edge of square side through hole is the inclined-plane, and the upper edge of square side through hole is the hook wall; Connecting the body sealed wall is located between annular boss and the square side through hole, fixedly spacing hole is located between annular boss and the micro loop boss, its fixedly the degree of depth of spacing hole more than or equal to taking over 1/3 of peripheral diameter, and greater than connecting the axial operating range of body between overlapping with multifunctional movable.

7. according to claim 1,6 described rapid pipe joints, it is characterized in that: described connection body, a kind of is connection body without filter screen, another kind is the connection body with filter screen.

8. according to claim 1,6,7 described rapid pipe joints, it is characterized in that: filter screen is positioned at the back of micro loop boss, filter screen in the distance of micro loop boss more than or equal to connecting 1/4 of the axial operating range of body between overlapping with multifunctional movable, filter screen can be integrated with being connected body, the outward edge that also can be metal filter screen places in the body that connects body, also can filter screen mechanism be assemblied in the body that connects body.

9. rapid pipe joint according to claim 1 is characterized in that: three large modular constructions can be changed by free assembly and disassembly.

10. rapid pipe joint according to claim 1 is characterized in that: mainly by connection or separation between the realization adapter of multifunctional movable cover and adapter, adapter and metal adapter or the valve.