CN101709816A - Retracted quick coupling - Google Patents
Retracted quick coupling Download PDFInfo
- Publication number
- CN101709816A CN101709816A CN200910212194A CN200910212194A CN101709816A CN 101709816 A CN101709816 A CN 101709816A CN 200910212194 A CN200910212194 A CN 200910212194A CN 200910212194 A CN200910212194 A CN 200910212194A CN 101709816 A CN101709816 A CN 101709816A
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- attachment hole
- ring
- quick coupling
- dog collar
- barrel
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- Quick-Acting Or Multi-Walled Pipe Joints (AREA)
Abstract
The invention provides a retracted quick coupling and belongs to the technical field of pipeline connection, which solves the problem that the conventional quick coupling can be disassembled to be stolen and destroyed by lawless persons. The retracted quick coupling comprises a main body with a connecting hole; the main body can be clamped with a connecting tube which is inserted into the connecting hole; a dog collar is fixed in the connecting hole through a positioning mechanism; the dog collar has a plurality of latches which are inclined towards the inner side of the connecting hole; the outer side of the dog collar is provided with an annular socket which can spread the latches when the dog collar is pressed towards the inner side of the connecting hole; and the external end of the annular socket is always positioned in the connecting hole and the inner side of the dog collar is provided with a seal ring which is fixed in the connecting hole. The annular socket of the retracted quick coupling is always positioned in the connecting hole, and the quick coupling can only be disassembled by a special tool so that the quick coupling is prevented from being stolen by the lawless persons.
Description
Technical field
The invention belongs to the pipeline connection technology field, relate to a kind of rapid pipe joint, particularly a kind ofly be used for fluid line such as gas, liquid and the valve upper connecting tube inserts the retracted quick coupling of installing.
Background technique
In daily production, life, connection usually needs to connect by connecting head for pipelines such as water route, gas circuit, oil circuits.Existing effective connecting head generally is to connect by screw thread, glue, card pressure or hot melt when being connected with pipeline.If adopt to be threaded, also need to twine some unsintered tapes in both threaded connection places or seal by glue, this effective connecting head is when connecting pipeline, and connection speed is slow, troublesome poeration.
For this reason, people begin to design and can realize taking over the pipe joint that is connected with valve or pipeline fast, and what have has also applied for patent.As the publication number that Chinese patent provided is CN101482206A " fast joint of waterpipe ", it comprises the joint body of hollow, at the two ends of joint difference connecting thread fixed cover, the screw thread fixed cover is shaped on the water pipe hole, be shaped on closed chamber in the joint body, gripping mechanism is installed in the closed chamber, gripping mechanism contacts with pipe outer wall, gripping mechanism is a metal clasp, be shaped on the back-off latch in the metal clasp, the back-off latch tilts to bend to metal clasp through the folding end, in the outside of metal clasp and back-off latch pressure ring is installed, pressure ring is equipped with seal ring outward, and seal ring and screw thread fixed cover and water pipe and joint body contact.
As can be seen, above-mentioned fast joint of waterpipe screws the screw thread fixed cover behind good each parts of manual installation and can finish connection when carrying out the water pipe connection, and installation process is simple and convenient, install and remove laborsavingly, can be dismantled the problem of stealing and destroying easily by the lawless person but equally also exist.
Summary of the invention
The objective of the invention is at the existing the problems referred to above of existing rapid pipe joint, just can make it have mounting or dismounting conveniently, be difficult for stolen advantage again its rapid pipe joint of dismantling and proposed a kind of use special tool that needs.
Purpose of the present invention can realize by following technical proposal: a kind of retracted quick coupling, comprise body with attachment hole, it can with the adapter clamping mutually in inserting attachment hole, be provided with a dog collar in the attachment hole, this dog collar is fixed in the attachment hole by positioning means, described dog collar has several latches towards the inboard inclination of attachment hole, it is characterized in that, the outside of described dog collar is provided with one when with its annular socket that latch can be strutted when push the attachment hole inboard, the outer end of annular socket is positioned at attachment hole all the time, is provided with the seal ring that is fixed in the attachment hole in the inboard of dog collar.
Adapter is inserted into when connecting in the body, pass annular socket, dog collar and seal ring successively, latch unification on the dog collar is at this moment stretched out towards taking over direction, act on and take over the surface, adapter is fixed, seal ring closely is socketed in the adapter and seals, and annular socket is socketed in the adapter simultaneously, prevents to take over to rock.The body here can be a pipe, also can be the joint that is used to connect two adapters, or water tap, valve etc. is installed in the device on the pipeline.
Annular socket integral body is in the attachment hole, therefore when butt tube is dismantled, can't push annular socket by hand or other general tools and realize dismounting.During dismounting, need to use special tool that annular socket is pushed towards the attachment hole inboard, annular socket the inner acts on the latch, and latch is circumferentially strutted laterally, will take over release, makes things convenient for the user will take over extraction.The structure of special tool can be designed to annular, also can be the C type, and the one end needs to insert in the attachment hole and has the service portion that acts on the annular socket outer end.
In above-mentioned a kind of retracted quick coupling, described positioning means comprises the barrel-type casing and the retainer ring that is fixed between barrel-type casing and the seal ring that are fixed in the attachment hole, and above-mentioned dog collar is clipped between retainer ring and the barrel-type casing.
In above-mentioned a kind of retracted quick coupling, have stepped ring-shaped step one and the ring-shaped step two that is provided with from inside to outside in the described attachment hole, the internal diameter of ring-shaped step two is greater than the internal diameter of ring-shaped step one, the external port of attachment hole has the fixture block that protrudes to the attachment hole axle center, the inner of above-mentioned barrel-type casing and retainer ring is resisted against on the ring-shaped step two, and the outer end and the fixture block of barrel-type casing lean.
In above-mentioned a kind of retracted quick coupling, be folded with an annular gasket between described barrel-type casing the inner and the ring-shaped step two, above-mentioned seal ring is fixed between ring-shaped step one and the annular gasket.
In above-mentioned a kind of retracted quick coupling, described body and fixture block all adopt polyvinylidene fluoride (PVDF) to be made, and are fixed together by ultrasonic welding process.Adopt ultrasonic welding process to make the heat seal strength of fixture block reach the stability the same, utilize the PVDF material of environmental protection, can greatly reduce user cost in the medium-term and long-term use of physical environment with body.
In above-mentioned a kind of retracted quick coupling, described body and fixture block all adopt metallic material to be made, and fixture block and body are by being threaded togather.
In above-mentioned a kind of retracted quick coupling, described dog collar comprises ring skeleton and is connected in some latches on the ring skeleton internal diameter, but each latch towards the interior side direction of attachment hole tilt to stretch out and elasticity scalable.Each latch stretches out towards the attachment hole inboard, and is partial to take over direction, takes over along the plane of inclination of latch and inserts, and latch is backed down to ring skeleton outer ring direction.Latch play the guiding role when taking over insertion, utilizes the reset function of self to be held in the adapter after connection is finished, and plays fixing effect of taking over.
In above-mentioned a kind of retracted quick coupling, the inner of described annular socket has a wedge shape head that is used to strut latch.During dismounting, the ramp effect of wedge shape head conveniently struts each latch on the plane of inclination of latch.
In above-mentioned a kind of retracted quick coupling, the outside of described wedge shape head is provided with the retaining edge, and described retaining is along leaning mutually with the annular shoulder block that is located at the barrel-type casing inwall.Retaining prevents that along playing position-limiting action annular socket breaks away from attachment hole.
In above-mentioned a kind of retracted quick coupling, described each latch be evenly distributed on the ring skeleton and the angle of inclination identical.The angle of inclination of each latch is identical, and is circumferential setting, form one round table-like, circumferentially stepless action is played more stable fixation taking over the surface.
Compared with prior art, the advantage of this retracted quick coupling is:
1, when take over inserting in the attachment hole time, the latch on the dog collar can block adapter easily, realize connecting fast, and because latch tilts towards attachment hole is inboard, and adapter can't detach, both connections is very reliable.
When 2, annular socket was inwardly pushed, latch can be strutted by annular socket, realized separating fast, used very flexible.
3, annular socket is positioned at attachment hole all the time, has only the special tool of use just can dismantle, and prevents that the lawless person from stealing.
When 4, using the PVDF material to form, can greatly reduce user cost in the medium-term and long-term use of physical environment.
Description of drawings
Fig. 1 is a sectional structure schematic representation provided by the invention.
Fig. 2 is the structural representation of dog collar provided by the invention.
Fig. 3 is the special tool schematic representation that is used to dismantle provided by the invention.
Among the figure, 1, body; 1a, fixture block; 2, attachment hole; 21, ring-shaped step one; 22, ring-shaped step two; 3, annular socket; 31, wedge shape head; 31a, retaining edge; 4, dog collar; 4a, ring skeleton; 4b, latch; 5, seal ring; 6, location retainer ring; 6a, retainer ring; 6b, annular gasket; 7, barrel-type casing; 71, shoulder block; 8, special tool; 8a, breach; 8b, service portion.
Embodiment
Below be specific embodiments of the invention and in conjunction with the accompanying drawings, technological scheme of the present invention is further described, but the present invention be not limited to these embodiments.
As shown in Figure 1, this retracted quick coupling comprises the body 1 with attachment hole 2, is provided with annular socket 3, dog collar 4 in the attachment hole 2 and is fixed on seal ring 5 in the attachment hole 2.Adapter clamping mutually in body 1 can pass through dog collar 4 and insert attachment hole 2.The body 1 here can be a pipe, also can be the joint that is used to connect two adapters, or water tap, valve etc. is installed in the device on the pipeline.
The inboard of dog collar 4 is provided with location retainer ring 6, and the outside of dog collar 4 is provided with barrel-type casing 7, and location retainer ring 6 comprises retainer ring 6a and the annular gasket 6b that is in one-piece connection.Above-mentioned dog collar 4 is clipped between retainer ring 6 and the barrel-type casing 7.
Have stepped ring-shaped step 1 and the ring-shaped step 2 22 that is provided with from inside to outside in the attachment hole 2, the internal diameter of ring-shaped step 2 22 is greater than the internal diameter of ring-shaped step 1, and the external port of attachment hole 2 has the fixture block 1a that protrudes to attachment hole 2 axle center.Above-mentioned annular gasket 6b is positioned at the inner of retainer ring 6a and is resisted against on the ring-shaped step 2 22, and the inner of barrel-type casing 7 leans on annular gasket 6b, and the outer end of barrel-type casing 7 and fixture block 1a lean.Seal ring 5 is fixed between ring-shaped step 1 and the annular gasket 6b.After attachment hole 2 external port are connected and go up fixture block 1a, barrel-type casing 7 attachment hole 2 axially on be positioned, the inner of barrel-type casing 7 acts on the annular gasket 6b, with ring-shaped step 2 22 annular gasket 6b is clamped, and prevents that annular gasket 6b is loosening and influences the sealing of seal ring 5.In the present embodiment, body 1 and fixture block 1a are fixed together by ultrasonic welding process, and all are to adopt polyvinylidene fluoride (PVDF) to be made.
As shown in Figure 2, but dog collar 4 has several towards attachment hole 2 inboard inclination and the scalable latch 4b of elasticity, whole dog collar 4 is made of ring skeleton 4a and the latch 4b that evenly is fixed on the ring skeleton 4a internal diameter, and each latch 4b is evenly distributed on that ring skeleton 4a goes up and the angle of inclination is identical.Annular socket 3 is positioned at the outside of dog collar 4, and the inner of annular socket 3 has one when the wedge shape head 31 that annular socket 3 can be strutted the latch 4b of dog collar 4 when push attachment hole 2 inboards, and the outer end of annular socket 3 is positioned at attachment hole 2 all the time.
The outside of wedge shape head 31 has been provided with the position-limiting action retaining along 31a, and retaining can lean with the annular shoulder block 71 that is located at barrel-type casing 7 inwalls mutually along 31a, prevents that annular socket 3 breaks away from attachment hole 2.
When needs connect, adapter is inserted in the attachment hole 2 of body 1, owing to latch 4b tilts towards attachment hole 2 inboards, and be partial to take over direction, insert when the plane of inclination of taking over along latch 4b, latch 4b is strutted to dog collar 4 outer ring directions.Latch 4b play the guiding role when taking over insertion, utilizes the reset function of self evenly to be held in the adapter after the insertion, is fixed.Simultaneously, seal ring 5 closely is socketed in the adapter and seals, and realizes body 1 and quick connection of taking over.
As shown in Figure 3, special tool 8 is the C type, and it has a breach 8a, can easily special tool 8 be enclosed within on the pipe by lacking 8a, the sidepiece of special tool 8 has the service portion 8b that is similarly the C type, and this service portion 8b can insert in the attachment hole 2 and can contact with the external port of annular socket 3.When needs are dismantled, by special tool 8 annular socket 3 is pushed to attachment hole 2 inboards, the wedge shape head 31 of annular socket 3 the inners can strut each latch 4b to the ring skeleton 4a outside, to take over release, so just can extract out taking over easily, realize fast quick-detach, can prevent that again the lawless person from destroying and stealing simultaneously.
Specific embodiment described herein only is that the present invention's spirit is illustrated.The technician of the technical field of the invention can make various modifications or replenishes or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present invention or surmount the defined scope of appended claims.
Claims (10)
1. retracted quick coupling, comprise the have attachment hole body (1) of (2), it can with the adapter clamping mutually in inserting attachment hole (2), be provided with a dog collar (4) in the attachment hole (2), this dog collar (4) is fixed in the attachment hole (2) by positioning means, described dog collar (4) has several latches (4b) towards the inboard inclination of attachment hole (2), it is characterized in that, the outside of described dog collar (4) is provided with one when with its annular socket (3) that latch (4b) can be strutted when push the inboard to attachment hole (2), the outer end of annular socket (3) is positioned at attachment hole (2) all the time, is provided with the seal ring (5) that is fixed in the attachment hole (2) in the inboard of dog collar (4).
2. a kind of retracted quick coupling according to claim 1, it is characterized in that, described positioning means comprises the barrel-type casing (7) and the retainer ring (6a) that is fixed between barrel-type casing (7) and the seal ring (5) that are fixed in the attachment hole (2), and above-mentioned dog collar (4) is clipped between retainer ring (6a) and the barrel-type casing (7).
3. a kind of retracted quick coupling according to claim 2, it is characterized in that, have stepped ring-shaped step one (21) and the ring-shaped step two (22) that is provided with from inside to outside in the described attachment hole (2), the internal diameter of ring-shaped step two (22) is greater than the internal diameter of ring-shaped step one (21), the external port of attachment hole (2) has the fixture block (1a) that protrudes to attachment hole (2) axle center, the inner of above-mentioned barrel-type casing (7) and retainer ring (6a) is resisted against on the ring-shaped step two (22), and the outer end of barrel-type casing (7) and fixture block (1a) lean.
4. a kind of retracted quick coupling according to claim 3, it is characterized in that, be folded with an annular gasket (6b) between described barrel-type casing (7) the inner and the ring-shaped step two (22), above-mentioned seal ring (5) is fixed between ring-shaped step one (21) and the annular gasket (6b).
5. according to claim 3 or 4 described a kind of retracted quick couplings, it is characterized in that described body (1) and fixture block (1a) all adopt polyvinylidene fluoride (PVDF) to be made, and are fixed together by ultrasonic welding process.
6. according to claim 3 or 4 described a kind of retracted quick couplings, it is characterized in that described body (1) and fixture block (1a) all adopt metallic material to be made, fixture block (1a) and body (1) are by being threaded togather.
7. according to any described a kind of retracted quick coupling of claim 1～4, it is characterized in that, described dog collar (4) comprises ring skeleton (4a) and is connected in some latches (4b) on ring skeleton (4a) internal diameter, each latch (4b) towards attachment hole (2) but interior side direction tilt to stretch out and elasticity scalable.
8. a kind of retracted quick coupling according to claim 7 is characterized in that, described each latch (4b) is evenly distributed on that ring skeleton (4a) is gone up and the angle of inclination is identical.
9. according to any described a kind of retracted quick coupling of claim 1～4, it is characterized in that the inner of described annular socket (3) has a wedge shape head (31) that is used to strut latch (4b).
10. a kind of retracted quick coupling according to claim 9 is characterized in that, the outside of described wedge shape head (31) is provided with retaining along (31a), and described retaining can lean with the annular shoulder block (71) that is located at barrel-type casing (7) inwall mutually along (31a).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910212194A CN101709816A (en) | 2009-11-05 | 2009-11-05 | Retracted quick coupling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910212194A CN101709816A (en) | 2009-11-05 | 2009-11-05 | Retracted quick coupling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101709816A true CN101709816A (en) | 2010-05-19 |
Family
ID=42402616
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200910212194A Pending CN101709816A (en) | 2009-11-05 | 2009-11-05 | Retracted quick coupling |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101709816A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102788212A (en) * | 2012-07-30 | 2012-11-21 | 佛山市日丰企业有限公司 | Straight insert type fast-connection pipe and pipe taking sleeve |
| CN105156814A (en) * | 2015-07-24 | 2015-12-16 | 苏州锟鹏肖氏建材有限公司 | Quick coupling for compressed gas pipeline |
| CN106122642A (en) * | 2016-08-09 | 2016-11-16 | 浙江工业大学 | Quick connector for automobile pipeline |
| CN108208301A (en) * | 2018-02-09 | 2018-06-29 | 黄石东贝制冷有限公司 | A kind of ice cream manufacture system and ice cream maker |
| CN108548026A (en) * | 2018-07-24 | 2018-09-18 | 贵州祥煜鑫科技贸易有限公司 | A kind of buckle-type conduit coupling |
| CN111692444A (en) * | 2020-05-29 | 2020-09-22 | 宁波市铂莱斯特灌溉设备有限公司 | High polymer material quick-connection pipe fitting with anti-theft function |
-
2009
- 2009-11-05 CN CN200910212194A patent/CN101709816A/en active Pending
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102788212A (en) * | 2012-07-30 | 2012-11-21 | 佛山市日丰企业有限公司 | Straight insert type fast-connection pipe and pipe taking sleeve |
| CN102788212B (en) * | 2012-07-30 | 2014-11-19 | 佛山市日丰企业有限公司 | Straight insert type fast-connection pipe and pipe taking sleeve |
| CN105156814A (en) * | 2015-07-24 | 2015-12-16 | 苏州锟鹏肖氏建材有限公司 | Quick coupling for compressed gas pipeline |
| CN106122642A (en) * | 2016-08-09 | 2016-11-16 | 浙江工业大学 | Quick connector for automobile pipeline |
| CN106122642B (en) * | 2016-08-09 | 2018-01-09 | 浙江工业大学 | Quick connector for automobile pipeline |
| CN108208301A (en) * | 2018-02-09 | 2018-06-29 | 黄石东贝制冷有限公司 | A kind of ice cream manufacture system and ice cream maker |
| CN108548026A (en) * | 2018-07-24 | 2018-09-18 | 贵州祥煜鑫科技贸易有限公司 | A kind of buckle-type conduit coupling |
| CN111692444A (en) * | 2020-05-29 | 2020-09-22 | 宁波市铂莱斯特灌溉设备有限公司 | High polymer material quick-connection pipe fitting with anti-theft function |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C12 | Rejection of a patent application after its publication | ||
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Application publication date: 20100519 |