CN202091688U - Quick connector - Google Patents
Quick connector Download PDFInfo
- Publication number
- CN202091688U CN202091688U CN2011201942238U CN201120194223U CN202091688U CN 202091688 U CN202091688 U CN 202091688U CN 2011201942238 U CN2011201942238 U CN 2011201942238U CN 201120194223 U CN201120194223 U CN 201120194223U CN 202091688 U CN202091688 U CN 202091688U
- Authority
- CN
- China
- Prior art keywords
- pipe joint
- inner sleeve
- connecting end
- seal ring
- cutting ferrule
- 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.)
- Expired - Lifetime
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- Quick-Acting Or Multi-Walled Pipe Joints (AREA)
Abstract
The utility model discloses a quick connector, which comprises a connector body, a clamping sleeve, an inner sleeve and a retaining ring. The connector body is provided with a cavity which extends along the axial direction of the connector body, one end of the connector body serves as a conduit connecting end, the other end of the connector body serves as a pipe connector connecting end, a through hole is arranged on the wall of the pipe connector connecting end, and a locking ball is installed in the through hole. The clamping sleeve can be axially and slidingly sleeved on the outer portion of the connector body, a first spring is installed between the clamping sleeve and the connector body, and a first extruding portion is arranged at one end of the clamping sleeve close to the pipe connector connecting end. The inner sleeve can be axially and slidingly installed in the connector body, a first sealing ring and a second spring are installed between the inner sleeve and the connector body, a second extruding portion is arranged at one end of the inner sleeve close to the pipe connector connecting end, and a second sealing ring used for being matched with an inserting section of a pipe connector in a sealing mode is installed in the inner sleeve. The quick connector is quick and convenient to connect with the pipe connector. In addition, the bigger the pressure of fluid filled into the quick connector is, the better the sealing effect is.
Description
Technical field
The utility model relates to pipe joint, especially a kind of rapid pipe joint.
Background technique
During routine is produced, adopt pipe joint and union nut to realize that the quick of two sections pipelines is connected and disconnection usually, still, because nutting is all wanted in connection and disconnection, the nut that has also needs to use spanner, so inefficient operation.
Summary of the invention
The purpose of this utility model is to overcome the prior art above shortcomings, and a kind of rapid pipe joint is provided, and it is connected fast and convenient with pipe joint.
A kind of rapid pipe joint that the utility model provides, it comprises fittings body, cutting ferrule, inner sleeve and back-up ring, this fittings body has along its axially extended inner chamber, one end of this fittings body is the conduit connecting end, the other end is the pipe joint connecting end, on the wall of this pipe joint connecting end, be provided with through hole, and in this through hole, lock ball be housed; This cutting ferrule can be sheathed on the outside of described fittings body axially slidably, between this cutting ferrule and described fittings body first spring is housed, and is provided with near an end of described pipe joint connecting end at this cutting ferrule to be used for radially inwardly first press section of the described lock ball of extruding; This inner sleeve can be installed on the inside of described fittings body axially slidably, first seal ring and second spring are housed between this inner sleeve and described fittings body, be provided with near an end of described pipe joint connecting end at this inner sleeve and be used for second press section that radially outward pushes described lock ball, be equipped with in the inside of this inner sleeve and be used for second seal ring that the insertion section with pipe joint is sealed and matched; This back-up ring is arranged on the outside of described through hole near the described housing of described pipe joint connecting end one side.
Preferably, described fittings body comprises conversion adapter and housing, one end of this conversion adapter is described conduit connecting end, the other end is provided with outside thread, one end of this housing is described pipe joint connecting end, the other end is provided with the internal thread that matches with described outside thread, and this conversion adapter and this housing are threaded by this outside thread and this internal thread, and described cutting ferrule is loaded on this housing.
Preferably, the fitting surface that described cutting ferrule and described housing mate with each other is the stepped shape face, and the two ends of described first spring are resisted against respectively on this fitting surface of this fitting surface of this housing and this cutting ferrule.
Preferably, described through hole is the little cone shape hole of the big inner diameter of outer end diameter.
Preferably, described first press section and described second press section are the conical surface with the face that described lock ball matches.
Preferably, described inner sleeve comprises that described first seal ring, described second spring and described second seal ring are loaded on this first inner sleeve near second inner sleeve of first inner sleeve of described conduit connecting end and close described pipe joint connecting end.
Preferably, on the inwall of described first inner sleeve, be provided with annular groove near an end of described pipe joint connecting end, described second seal ring is loaded in this groove, and an end of the close described conduit connecting end of this second seal ring is fixed by the snap ring that is loaded in this groove.
Preferably, the sealing surface of described second seal ring is the conical surface.
Preferably, the outer wall of described first inner sleeve is the stepped shape face, and described second spring is resisted against on this stepped shape face near an end of described pipe joint connecting end.
When using rapid pipe joint of the present utility model to be connected with pipe joint, the insertion section of pipe joint is inserted in the rapid pipe joint, in the process of butt joint, pipe joint at first touches second seal ring, when continuing to insert, second spring is compressed, second seal ring is adjacent to the sealing surface of pipe joint under the effect of second spring, rapid pipe joint and pipe joint are effectively sealed, simultaneously, inner sleeve moves inward under the effect of pipe joint outer-hexagonal, and under the support of no inner sleeve, lock ball snaps into rapidly on the external cylindrical surface step of pipe joint, and this moment, first spring promoted the cutting ferrule motion, the press section of cutting ferrule extruding lock ball, thus with pipe joint locking, so realize being connected of rapid pipe joint and pipe joint.During separation, only need cutting ferrule is pulled back, pipe joint can separate fast with rapid pipe joint.
Compared with prior art, by the rapid pipe joint that the utility model provides, be connected fast and conveniently with pipe joint, finishing to connect only needs 2-3 second, and nut is finished to be connected with pipe joint and needed 5-6 second, so efficient can improve about 50%; And the hydrodynamic pressure that the inside of rapid pipe joint charges into is big more, and sealing effect is good more.
Description of drawings
Fig. 1 is the state before the utility model embodiment's rapid pipe joint is connected with pipe joint;
Fig. 2 is the partial enlarged view at I place among Fig. 1;
Fig. 3 is the utility model embodiment's rapid pipe joint and state after pipe joint is connected;
Fig. 4 is the partial enlarged view at P place among Fig. 3.
Description of reference numerals: 1-conversion adapter, 1a-conduit connecting end, 2-first seal ring, 3-second spring, 4-first inner sleeve, 5-second inner sleeve, 6-first spring, 7-lock ball, 8-cutting ferrule, 8a-press section, 9-back-up ring, 10-housing, 10a-pipe joint connecting end, 10b-through hole, 11-pipe joint, 11a-insert section, 12-second seal ring, 13-snap ring.
Embodiment
Below in conjunction with accompanying drawing embodiment of the present utility model is elaborated.
One of them embodiment of rapid pipe joint of the present utility model as shown in Figure 1, 2, rapid pipe joint mainly is made up of fittings body, cutting ferrule 8, inner sleeve and back-up ring 9, wherein, fittings body has along its axially extended inner chamber, this fittings body is made of conversion adapter 1 and housing 10, and an end of this conversion adapter 1 is conduit connecting end 1a, is used for being connected with conduit (not shown on the figure), the other end is provided with outside thread, and the internal face of this conversion adapter 1 is the stepped shape face.One end of housing 10 is pipe joint connecting end 10a, and the other end is provided with the internal thread that matches with outside thread on the conversion adapter 1, and conversion adapter 1 and housing 10 are threaded by outside thread and internal thread, is convenient to assembling.Conversion adapter 1 and housing 10 also can be one-body molded.
The outer wall of housing 10 is the stepped shape face, on the wall of the pipe joint connecting end 10a of this housing 10, be provided with the little conical through-hole 10b of the big inner diameter of outer end diameter, and in this through hole 10b, lock ball 7 is housed, the diameter of this lock ball 7 is greater than the length of through hole 10b, and less than the diameter of through hole 10b the inner.Near the outside of the housing 10 of the side of pipe joint connecting end 10a back-up ring 9 is installed at through hole 10b, comes off to avoid lock ball 7.
Cutting ferrule 8 can be sheathed on the outside of housing 10 axially slidably, and the fitting surface that this cutting ferrule 8 matches with housing 10 is the stepped shape face, and first spring 6 is loaded between cutting ferrule 8 and the housing 10, and its two ends are resisted against respectively on the fitting surface of housing 10 and cutting ferrule 8.End at cutting ferrule 8 close pipe joint connecting end 10a is provided with press section 8a, and the face that this press section 8a matches with lock ball 7 is the conical surface, radially inwardly pushes lock ball 7 by this conical surface.
Inner sleeve can be installed on the inside of fittings body axially slidably, it is by forming near first inner sleeve 4 of conduit connecting end 1a with near second inner sleeve 5 of pipe joint connecting end 10a, first inner sleeve 4 and second inner sleeve 5 contact, the outer wall of first inner sleeve 4 is the stepped shape face, first seal ring 2 is housed on the outer wall of this first inner sleeve 4, the internal face of this first seal ring 2 and first inner sleeve 4 is sealed and matched, also be set with second spring 3 in the outside of first inner sleeve 4, one end of this second spring 3 is resisted against on the outer wall of first inner sleeve 4, and the other end is resisted against on the stepped shape internal face of conversion adapter 1.Be provided with annular groove at first inner sleeve 4 near on the internal face of pipe joint connecting end 10a, bowl-type second seal ring 12 is housed in this groove, and the end of the close conduit connecting end 1a of this second seal ring 12 is fixing by the snap ring 13 that is loaded in this groove, and the sealing surface of this second seal ring 12 is the conical surface.Second seal ring 12 is sealed and matched with the insertion section 11a of pipe joint 11.The shape of the insertion section 11a of the shape of the center hole of second inner sleeve 5 and size and pipe joint 11 and size coupling.End at this second inner sleeve 5 close pipe joint connecting end 1a is provided with press section, and the face that this press section matches with lock ball 7 is the conical surface, by this conical surface radially outward extruding lock ball 7.First inner sleeve 4 and second inner sleeve 5 also can be one-body molded.
Further set forth the working principle of present embodiment below in conjunction with Fig. 3,4:
When rapid pipe joint is connected with pipe joint, the insertion section 11a of pipe joint 11 is inserted in the rapid pipe joint, in the process of butt joint, pipe joint 11 at first touches second seal ring 12, when continuing to insert, and the motion of first inner sleeve, 4 conductive pipe connecting ends, second spring 3 is compressed, second seal ring 12 is adjacent to the sealing surface of pipe joint 11 under the effect of second spring 3, first seal ring 2 makes conversion adapter 1 and both sealings of first inner sleeve 4, to satisfy sealing function.And, the pressure that internal flow produces acts on first inner sleeve 4 and snap ring 13, makes second seal ring 12 tightly touch the sealing surface of pipe joint 11, and the hydrodynamic pressure that charges into when inside is big more, second seal ring 12 just pastes tightly more with the sealing surface of pipe joint 11, and sealing effect is good more.Simultaneously, second inner sleeve 5 conductive pipe connecting end under the effect of pipe joint 11 outer-hexagonals moves, under the support of not having second inner sleeve 5, lock ball 7 snaps into rapidly on the external cylindrical surface step of pipe joint 11, and this moment, first spring 6 resetted, promote cutting ferrule 8 motions, the press section 8a of cutting ferrule 8 radially inwardly pushes lock ball 7, with pipe joint 11 lockings.During separation, cutting ferrule 8 conductive pipe connecting ends are pulled back, the pressure that the press section 8a of cutting ferrule 8 is applied on the lock ball 7 is removed, firmly to pipe joint connecting end trombone slide joint 11, this moment, second spring 3 resetted, and promoted first inner sleeve 4 and moved to the pipe joint connecting end simultaneously, and then drive second inner sleeve 5 and move to the pipe joint connecting end, make the press section radially outward extruding lock ball 7 of second inner sleeve 5, pipe joint 11 is unlocked, thereby realizes separating fast of pipe joint 11 and rapid pipe joint.
This shows,, can be connected with pipe joint quickly and easily, improved efficiency of assembling by the rapid pipe joint of the foregoing description.
Only be specific embodiment of the utility model below, do not limit protection domain of the present utility model with this; Any replacement and the improvement done on the basis of not violating the utility model design all belong to protection domain of the present utility model.
Claims (9)
1. rapid pipe joint is characterized in that: comprise fittings body, cutting ferrule, inner sleeve and back-up ring,
This fittings body has along its axially extended inner chamber, and an end of this fittings body is the conduit connecting end, and the other end is the pipe joint connecting end, is provided with through hole on the wall of this pipe joint connecting end, and in this through hole lock ball is housed;
This cutting ferrule can be sheathed on the outside of described fittings body axially slidably, between this cutting ferrule and described fittings body first spring is housed, and is provided with near an end of described pipe joint connecting end at this cutting ferrule to be used for radially inwardly first press section of the described lock ball of extruding;
This inner sleeve can be installed on the inside of described fittings body axially slidably, first seal ring and second spring are housed between this inner sleeve and described fittings body, be provided with near an end of described pipe joint connecting end at this inner sleeve and be used for second press section that radially outward pushes described lock ball, be equipped with in the inside of this inner sleeve and be used for second seal ring that the insertion section with pipe joint is sealed and matched;
This back-up ring is arranged on the outside of described through hole near the described housing of described pipe joint connecting end one side.
2. rapid pipe joint according to claim 1, it is characterized in that: described fittings body comprises conversion adapter and housing, one end of this conversion adapter is described conduit connecting end, the other end is provided with outside thread, one end of this housing is described pipe joint connecting end, the other end is provided with the internal thread that matches with described outside thread, and this conversion adapter and this housing are threaded by this outside thread and this internal thread, and described cutting ferrule is loaded on this housing.
3. rapid pipe joint according to claim 2 is characterized in that: the fitting surface that described cutting ferrule and described housing mate with each other is the stepped shape face, and the two ends of described first spring are resisted against respectively on this fitting surface of this fitting surface of this housing and this cutting ferrule.
4. rapid pipe joint according to claim 2 is characterized in that: described through hole is the little cone shape hole of the big inner diameter of outer end diameter.
5. rapid pipe joint according to claim 2 is characterized in that: described first press section and described second press section are the conical surface with the face that described lock ball matches.
6. according to each described rapid pipe joint of claim 1 to 5, it is characterized in that: described inner sleeve comprises that described first seal ring, described second spring and described second seal ring are loaded on this first inner sleeve near second inner sleeve of first inner sleeve of described conduit connecting end and close described pipe joint connecting end.
7. rapid pipe joint according to claim 6, it is characterized in that: on the inwall of described first inner sleeve, be provided with annular groove near an end of described pipe joint connecting end, described second seal ring is loaded in this groove, and an end of the close described conduit connecting end of this second seal ring is fixed by the snap ring that is loaded in this groove.
8. rapid pipe joint according to claim 6 is characterized in that: the sealing surface of described second seal ring is the conical surface.
9. rapid pipe joint according to claim 6 is characterized in that: the outer wall of described first inner sleeve is the stepped shape face, and described second spring is resisted against on this stepped shape face near an end of described pipe joint connecting end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201942238U CN202091688U (en) | 2011-06-10 | 2011-06-10 | Quick connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201942238U CN202091688U (en) | 2011-06-10 | 2011-06-10 | Quick connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202091688U true CN202091688U (en) | 2011-12-28 |
Family
ID=45366756
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201942238U Expired - Lifetime CN202091688U (en) | 2011-06-10 | 2011-06-10 | Quick connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202091688U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103363229A (en) * | 2012-03-27 | 2013-10-23 | 珠海格力电器股份有限公司 | Joint component |
| CN103629472A (en) * | 2013-11-07 | 2014-03-12 | 大连华根机械有限公司 | Blocking mechanism of oil level indicator pipe |
| CN103994290A (en) * | 2013-02-20 | 2014-08-20 | 珠海格力电器股份有限公司 | Rapid connector |
| CN109237791A (en) * | 2018-09-11 | 2019-01-18 | 珠海格力电器股份有限公司 | A kind of water outlet connector and the connection structure comprising it |
| CN109973728A (en) * | 2019-03-04 | 2019-07-05 | 宝鸡石油机械有限责任公司 | A kind of pressure helps envelope union |
| CN112096992A (en) * | 2020-09-01 | 2020-12-18 | 格力电器（武汉）有限公司 | Quick-operation joint and have its connection structure |
| CN114645836A (en) * | 2020-12-17 | 2022-06-21 | 广东天机工业智能***有限公司 | Vacuum pumping device |
-
2011
- 2011-06-10 CN CN2011201942238U patent/CN202091688U/en not_active Expired - Lifetime
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103363229A (en) * | 2012-03-27 | 2013-10-23 | 珠海格力电器股份有限公司 | Joint component |
| CN103363229B (en) * | 2012-03-27 | 2015-12-09 | 珠海格力电器股份有限公司 | Adapter assembly |
| CN103994290A (en) * | 2013-02-20 | 2014-08-20 | 珠海格力电器股份有限公司 | Rapid connector |
| CN103629472A (en) * | 2013-11-07 | 2014-03-12 | 大连华根机械有限公司 | Blocking mechanism of oil level indicator pipe |
| CN103629472B (en) * | 2013-11-07 | 2015-10-28 | 大连华根机械有限公司 | Oil level indicator pipe plugging mechanism |
| CN109237791A (en) * | 2018-09-11 | 2019-01-18 | 珠海格力电器股份有限公司 | A kind of water outlet connector and the connection structure comprising it |
| CN109237791B (en) * | 2018-09-11 | 2024-01-16 | 珠海格力电器股份有限公司 | Water gap connector and connecting structure comprising same |
| CN109973728A (en) * | 2019-03-04 | 2019-07-05 | 宝鸡石油机械有限责任公司 | A kind of pressure helps envelope union |
| CN112096992A (en) * | 2020-09-01 | 2020-12-18 | 格力电器（武汉）有限公司 | Quick-operation joint and have its connection structure |
| CN114645836A (en) * | 2020-12-17 | 2022-06-21 | 广东天机工业智能***有限公司 | Vacuum pumping device |
| CN114645836B (en) * | 2020-12-17 | 2024-03-15 | 广东天机工业智能***有限公司 | Vacuumizing device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20111228 |
|
| CX01 | Expiry of patent term |