CN203147122U - Quick joint - Google Patents
Quick joint Download PDFInfo
- Publication number
- CN203147122U CN203147122U CN 201320078195 CN201320078195U CN203147122U CN 203147122 U CN203147122 U CN 203147122U CN 201320078195 CN201320078195 CN 201320078195 CN 201320078195 U CN201320078195 U CN 201320078195U CN 203147122 U CN203147122 U CN 203147122U
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- CN
- China
- Prior art keywords
- stop member
- conversion adapter
- hole
- sealed core
- workpiece
- 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 provides a quick joint comprising an adapter, a sealing core component and a cutting sleeve, wherein the pipe wall of the workpiece connecting end of the adapter is provided with a first through hole containing a first block piece; the sealing core component is slidably arranged in the head of the adapter and connected with the adapter by virtue of a first elastic element; the outerside wall, adjacent to the inner wall of the adapter, of the sealing core component is provided with a concave platform containing the first block piece; the cutting sleeve is slidably sleeved at the outer side of the adapter and connected with the adapter by virtue of a second elastic element; the cutting sleeve is provided with a first extrusion part used for extruding the first block piece; and a pipe wall between the first through hole and the workpiece connecting end of the adapter is provided with a second through hole; the second through hole is internally provided with a second block piece; and the inner wall of the adapter is provided with a second extrusion part used for extruding the second block piece and reducing the radial distance between the second block piece and a workpiece when the first block piece is positioned in a first position. The quick joint provided by the utility model has the advantages that the sealing performance is better and more reliable and the structure is simple.
Description
Technical field
The utility model relates to a kind of pipe joint, particularly a kind of rapid pipe joint.
Background technique
As shown in Figure 1, rapid pipe joint of the prior art, after workpiece 19 ＇ insert, because sealed core assembly 2 ＇ and workpiece 19 ＇ inwalls are Spielpassung, high-pressure working medium is counter wears back in order to avoid, second seal ring, 14 ＇ and two the 4th seal ring 16 ＇ are set, but because the 4th seal ring 16 ＇ and workpiece inwall area of contact are little, the seal action that plays is also not obvious, and second seal ring, 14 ＇ are because the port collision of frequent and workpiece, spoilage is higher, thereby makes very counter wearing back the slit of volume between sealed core assembly 2 ＇ and workpiece 19 ＇ inwalls of high-pressure working medium, the working life of causing potential safety hazard and having reduced rapid pipe joint.
The model utility content
The utility model purpose is to provide a kind of rapid pipe joint, can make sealability better, more reliable and simple in structure.
According to a kind of rapid pipe joint of the present utility model, comprise conversion adapter, sealed core assembly and cutting ferrule,
Conversion adapter has the inner chamber that extends vertically, and the one end is the conduit connecting end, and the other end is the workpiece connecting end, and the chamber wall of workpiece connecting end is provided with first through hole that holds first stop member;
The sealed core assembly is slidably mounted on the inside of conversion adapter, is connected with conversion adapter by first elastic element, and the sealed core assembly is provided with the concave station that holds first stop member when first stop member is in primary importance near the outer side wall of conversion adapter inwall;
Cutting ferrule is sheathed on the outside of conversion adapter slidably, is connected with conversion adapter by second elastic element, and cutting ferrule is provided with first press section that is used for extruding first stop member when first stop member is in the second place;
Tube wall between the workpiece connecting end of first through hole and conversion adapter is provided with second through hole, be provided with second stop member in second through hole, the conversion adapter inwall is provided with when first stop member is in primary importance second press section that the radial distance that is used for extruding second stop member and makes second stop member and workpiece reduces.
Preferably, conversion adapter comprises fittings body and outer sleeve, and fittings body partly is arranged at the outer sleeve inner chamber, is provided with first seal ring between fittings body and the outer sleeve; Fittings body is connected by first elastic element with the sealed core assembly; Outer sleeve is connected by second elastic element with cutting ferrule.
Preferably, the sealed core assembly comprises sealed core and sealing drum, and sealing sleeve is located at the sealed core outer wall, is provided with second seal ring between sealing drum and the sealed core; Sealed core is slidably mounted on the inside of conversion adapter, and is provided with the 3rd seal ring between the conversion adapter.
Preferably, an end outer wall of sealed core assembly connection workpiece is provided with the 4th seal ring.
Preferably, the diameter of the end that first through hole is equal with the conversion adapter outer wall is greater than the diameter of an end equal with the conversion adapter inwall, first stop member can be moved in first through hole and can partly expose the conversion adapter inwall.
Preferably, second stop member is the plane near the end wall of sealed core assembly.
Preferably, second stop member is semi-circular, is the semi-circular through hole that adapts with the second stop member shape for second through hole that holds second stop member.
Preferably, second stop member is block, and along circumferentially evenly the distributing of conversion adapter, second through hole that is used for holding second stop member for the second stop member shape adapt through hole and circumferentially evenly distributing along conversion adapter.
Preferably, the inner wall edge of second stop member is provided with first chamfering and second chamfering.
Preferably, rapid pipe joint also comprises the 3rd stop member that is used for the backstop cutting ferrule when first stop member is in primary importance, and the 3rd stop member is arranged at the workpiece connecting end outer wall of conversion adapter.
When using rapid pipe joint of the present utility model to be connected with workpiece, when workpiece inserts, be subjected to the restoring force effect campaign of second elastic element owing to cutting ferrule, thereby make second compressive plane push second stop member and do radial motion along second through hole to the axle center, at this moment, second compressive plane closely contacts with the outer wall of workpiece, when having guaranteed that effectively high-pressure working medium flows through, the stability of workpiece has improved working life of rapid pipe joint; Prevented also that simultaneously high-pressure working medium from revealing along the gap between sealed core assembly and the conversion adapter.
Description of drawings
The accompanying drawing that constitutes the application's a part is used to provide further understanding of the present utility model, and illustrative examples of the present utility model and explanation thereof are used for explaining the utility model, do not constitute improper restriction of the present utility model.
In the accompanying drawings:
Fig. 1 is technological scheme accompanying drawing described in the utility model background technique;
Fig. 2 is the utility model embodiment's first phase diagram;
Fig. 3 is the utility model embodiment's second phase diagram;
Fig. 4 is first kind of scheme of installation of first stop member;
Fig. 5 is second kind of scheme of installation of first stop member;
Fig. 6 is first kind of structural drawing of second stop member;
Fig. 7 is second kind of structural drawing of second stop member.
Each mark representative among the figure:
The 1--conversion adapter; 2--sealed core assembly; The 21--sealed core; The 22----sealing drum; The 3--cutting ferrule; 31--first press section; 32--second press section; 4--first elastic element; 5--second elastic element; 6--first stop member; 7--second stop member; 71--first chamfering; 72--second chamfering; 8--first through hole; 9--second through hole; The 10--concave station; The 11--fittings body; The 12--outer sleeve; 13--first seal ring; 14--second seal ring; 15--the 3rd seal ring; 16--the 4th seal ring; The 17--back-up ring; The 18--screw; The 19--workpiece
Embodiment
Describe the utility model below with reference to the accompanying drawings and in conjunction with the embodiments in detail.Need to prove that under the situation of not conflicting, embodiment and the feature among the embodiment among the application can make up mutually.
As depicted in figs. 1 and 2, rapid pipe joint of the present utility model, comprise conversion adapter 1, sealed core assembly 2 and cutting ferrule 3, wherein, conversion adapter 1 has the inner chamber that extends vertically, and the one end is the conduit connecting end, be connected with the high-pressure working medium delivery line, the other end is the workpiece connecting end, is connected with workpiece, is provided with first through hole 8 that holds first stop member 6 at the tube wall of workpiece connecting end.Sealed core assembly 2 is slidably mounted on the inside of conversion adapter 1, and sealed core assembly 2 is connected by first elastic element 4 with conversion adapter 1, and cutting ferrule 3 is sheathed on the outside of conversion adapter 1 slidably, and cutting ferrule 3 is connected by second elastic element 5 with conversion adapter 1.
Wherein, first stop member 6 has primary importance and the second place, and after workpiece 19 inserted rapid pipe joint, first stop member 6 was in primary importance, and when workpiece 19 did not insert rapid pipe joint, first stop member 6 was in the second place.When first stop member 6 was in primary importance, first elastic element 4 was in contraction state, and when first stop member 6 was in the second place, second elastic element 5 was in contraction state.
Sealed core assembly 2 is provided with concave station 10 near the outer side wall of conversion adapter 1 inwall, when first stop member 6 is in primary importance, is used for holding first stop member 6.The inwall of cutting ferrule 3 is provided with first press section 31, when first stop member 6 is in the second place, be used for extruding first stop member 6, so arrange, just can realize when workpiece 19 inserts, owing to there has not been the support of sealed core assembly 2, and under the restoring force effect of second elastic element 5, first stop member 6 is subjected to the extruding of first press section 31 and falls into concave station 10, this moment, first stop member 6 was in primary importance, because when first stop member 6 was in primary importance, first elastic element 4 was in contraction state, so when cutting ferrule 3 conductive pipe connecting ends are dragged, and when workpiece 19 is extracted, owing to be subjected to the restoring force of first elastic element 4, and make the motion of sealed core assembly, thereby by the concave station sidewall first stop member, 6 tops are back to the second place.And when first stop member 6 is in the second place, owing to be subjected to the support of sealed core assembly 2, because the effect between first stop member 6 and first press section 31, and cutting ferrule 3 can not moved because of the restoring force of second elastic element 5.
Further, in order to make better fit between first stop member 6 and first press section 31, first stop member can be spheroid, can be set to the inclined-plane tangent with this spheroid by first press section simultaneously.
Further, tube wall between the workpiece connecting end of first through hole 8 and conversion adapter 1 is provided with second through hole 9, be provided with second stop member 7 in second through hole 9, conversion adapter 1 inwall second press section 32, when first stop member 6 was in primary importance, second press section, 32 extruding second stop members 7 also reduced second stop member 7 and the radial distance of workpiece.When workpiece 19 inserts, be subjected to the restoring force effect campaign of second elastic element 5 owing to cutting ferrule 3, thereby make second compressive plane 32 extruding, second stop member 7 do radial motion along second through hole 9 to the axle center, at this moment, second compressive plane 32 closely contacts with the outer wall of workpiece 19, when having guaranteed that effectively high-pressure working medium flows through, the stability of workpiece has improved working life of rapid pipe joint; Prevented also that simultaneously high-pressure working medium from revealing along the gap between sealed core assembly 2 and the conversion adapter 1.
Further, first stop member 6 can circumferentially evenly distributing along conversion adapter.
Further, for easy to assembly, conversion adapter 1 can be set to two-part, and a part is fittings body 11, and another part is outer sleeve 12, and fittings body 11 parts are arranged at the outer sleeve inner chamber; In order to prevent revealing, needing first seal ring, 13, the first seal rings are set between fittings body 11 and outer sleeve 12 is O-ring seals; Fittings body 11 is connected by first elastic element 4 with sealed core assembly 2, and after workpiece 19 inserted, first elastic element 4 was in contraction state; Outer sleeve 12 is connected by second elastic element 5 with cutting ferrule 3, and after workpiece 19 was extracted, second elastic element 5 was in contraction state.
Further, for easy to assembly, sealed core assembly 2 can be set to two-part, a part is sealed core 21, and another part is sealing drum 22, and sealing drum 22 is sheathed on sealed core 21 outer walls, in order to prevent revealing, be provided with second seal ring 14 between sealing drum 22 and the sealed core 21, when workpiece inserted, the workpiece port contacted with second seal ring 14; Sealed core 21 is slidably mounted on the inside of conversion adapter, and in order to prevent revealing, being provided with the 3rd seal ring 15. the 3rd seal ring between sealed core 21 and the conversion adapter 1 is O-ring seals.
Further, after preventing that workpiece 19 from inserting, the leakage of high-pressure working medium, the end outer wall that sealed core assembly 2 connects workpiece is provided with the 4th seal ring 16, the 4th seal ring is O-ring seals, and after workpiece 19 inserted, the 4th seal ring contacted with the inwall of workpiece 19.
As Fig. 4, shown in Figure 5, in order to guarantee the motion smoothness of first stop member 6, the diameter of the end that first through hole 8 is equal with conversion adapter 1 outer wall is greater than the diameter of an end equal with conversion adapter 1 inwall, makes first stop member 6 can move and not have can partly expose under the situation of support of sealed core assembly 2 inwall of conversion adapter 1 in first through hole; Further, first through hole 8 can make taper shape, also can be the through hole that sidewall becomes ladder-type.
As Fig. 6, shown in Figure 7, for more stable after workpiece 19 is inserted, second stop member 7 can be set to the plane near the end wall of sealed core assembly 2, so just can strengthen the area of contact of second stop member 7 and workpiece 19, thereby, when high-pressure working medium flows through, avoid causing rocking of workpiece 19 because of the effect of high pressure or owing to other reasons touches workpiece 19, thereby cause leakage.
Further, second stop member 7 can be that the end wall of close sealed core assembly 2 is the semi-circular of plane, the semi-circular through hole of second through hole 9 that is used for holding second stop member 7 for adapting with second stop member, 7 shapes, second stop member 7 inserts in second through hole, and second stop member can resilient material be made.Also can lean on the principle work that loop configuration itself can shrinkage expansion.
Further, in order to guarantee stability, second stop member 7 can be that the end wall of close sealed core assembly 2 is the block on plane, and along circumferentially evenly distributing of conversion adapter 1, be used for holding second through hole 9 of second stop member 7 with the shape of the second stop member shape 7 adapts, and equally along the circumferentially evenly distribution of conversion adapter 1; A plurality of second stop members 7 are set the rapid pipe joint reliability is improved, can not cause the rapid pipe joint job insecurity because of the corrupted of some ground two stop members 7.
Further, be more prone to insert in order to make workpiece 19, the close edge that connects an end of workpiece 19 of the inwall of second stop member 7 can be arranged first chamfering 71.
Further, be more prone to extract in order to make workpiece 19, the inwall of second stop member 7 can be arranged second chamfering 72 away from the edge of an end that connects workpiece 19.
Further, for fear of when workpiece 19 inserts, cutting ferrule 3 can arrange back-up ring 17 at the workpiece connecting end outer wall of conversion adapter 1 owing to the restoring force effect that is subjected to first elastic element 4 is ejected.
Further, in order to prevent the wearing and tearing of this back-up ring 17, this back-up ring 17 is Steel Cable Baffle Ring.
Further specify working principle of the present utility model below in conjunction with accompanying drawing:
As shown in Figure 2, when workpiece 19 inserts, sealed core assembly 2 is subjected to the extruding of workpiece 19 and moves, make first elastic element 4 be in contraction state, owing to there has not been the support of sealed core assembly 2, and under the restoring force effect of second elastic element 5, first stop member 6 is subjected to the extruding of first press section 31 and falls into concave station 10, this moment, first stop member 6 was in primary importance, owing to there has not been the backstop of first stop member 6, cutting ferrule 3 moves under the restoring force effect of second elastic element 5, owing to be subjected to the backstop of back-up ring 17, cutting ferrule 3 is static, and at this moment, second compressive plane 32 moves to and second stop member, 7 state of contact, under the extruding of second compressive plane 32, radial distance between second stop member 7 and the workpiece 19 reduces, thereby plays the effect of fixation workpiece 19, has prevented also that simultaneously high-pressure working medium from revealing along the gap between sealed core assembly 2 and the conversion adapter 1.
When the user will drag cutting ferrule 3 second elastic element 5 is shunk, second compressive plane 32 and second stop member 7 are broken away from, second stop member 7 reverts to the state before the extruding, at this moment, when workpiece 19 is extracted, owing to be subjected to the restoring force of first elastic element 4, and make the motion of sealed core assembly, thereby by the concave station sidewall first stop member, 6 tops are back to the second place.And when first stop member 6 is in the second place, owing to be subjected to the support of sealed core assembly 2, because the effect between first stop member 6 and first press section 31, and cutting ferrule 3 can not moved because of the restoring force of second elastic element 5, thus be in static.
This shows, the utility model can make the rapid pipe joint sealability better, more reliable and simple in structure.
The above is preferred embodiment of the present utility model only, is not limited to the utility model, and for a person skilled in the art, the utility model can have various changes and variation.All within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., all should be included within the protection domain of the present utility model.
Claims (10)
1. rapid pipe joint comprises conversion adapter (1), sealed core assembly (2) and cutting ferrule (3),
Described conversion adapter (1) has the inner chamber that extends vertically, and the one end is the conduit connecting end, and the other end is the workpiece connecting end, and the chamber wall of described workpiece connecting end is provided with first through hole (8) that holds first stop member (6);
Described sealed core assembly (2) is slidably mounted on the inside of described conversion adapter (1), be connected with described conversion adapter (1) by first elastic element (4), described sealed core assembly (2) is provided with the concave station (10) that holds described first stop member (6) when described first stop member (6) when being in primary importance near the outer side wall of described conversion adapter (1) inwall;
Described cutting ferrule (3) is sheathed on the outside of described conversion adapter (1) slidably, be connected with described conversion adapter (1) by second elastic element (5), described cutting ferrule (3) is provided with first press section (31) that is used for described first stop member of extruding (6) when described first stop member (6) when being in the second place;
It is characterized in that, tube wall between the workpiece connecting end of described first through hole (8) and described conversion adapter (1) is provided with second through hole (9), be provided with second stop member (7) in described second through hole (9), described conversion adapter (1) inwall is provided with second press section (32) that is used for extruding described second stop member (7) when being in primary importance and the radial distance of second stop member (7) and workpiece is reduced when described first stop member (6).
2. rapid pipe joint according to claim 1 is characterized in that,
Described conversion adapter (1) comprises fittings body (11) and outer sleeve (12), and described fittings body (11) part is arranged at described outer sleeve (12) inner chamber, is provided with first seal ring (13) between described fittings body (11) and the described outer sleeve (12);
Described fittings body (11) is connected by first elastic element (4) with described sealed core assembly (2);
Described outer sleeve (12) is connected by second elastic element (5) with described cutting ferrule (3).
3. rapid pipe joint according to claim 1 is characterized in that,
Described sealed core assembly (2) comprises sealed core (21) and sealing drum (22), and described sealing drum (22) is sheathed on described sealed core (21) outer wall, is provided with second seal ring (14) between described sealing drum (22) and the described sealed core (21);
Described sealed core (21) is slidably mounted on the inside of described conversion adapter (1), and is provided with the 3rd seal ring (15) between the described conversion adapter (1).
4. rapid pipe joint according to claim 1 is characterized in that,
The end outer wall that described sealed core assembly (2) connects workpiece is provided with the 4th seal ring (16).
5. rapid pipe joint according to claim 1 is characterized in that,
The diameter of the end that described first through hole (8) is equal with conversion adapter (1) outer wall is greater than the diameter of an end equal with conversion adapter (1) inwall, described first stop member (6) can be moved in described first through hole (8) and can partly expose described conversion adapter (1) inwall.
6. rapid pipe joint according to claim 1 is characterized in that,
Described second stop member (7) is the plane near the end wall of described sealed core assembly (2).
7. rapid pipe joint according to claim 6 is characterized in that,
Described second stop member (7) is semi-circular, is the semi-circular through hole that adapts with described second stop member (7) shape for second through hole (9) that holds described second stop member (7).
8. rapid pipe joint according to claim 6 is characterized in that,
Described second stop member (7) is block, and along circumferentially evenly distributing of described conversion adapter (1), second through hole (9) that is used for holding described second stop member (7) for described second stop member (7) shape adapt through hole and circumferentially evenly distributing along described conversion adapter (1).
9. according to claim 7 or 8 described rapid pipe joints, it is characterized in that,
The inner wall edge of described second stop member (7) is provided with first chamfering (71) and second chamfering (72).
10. according to each described rapid pipe joint of claim 1 to 8, it is characterized in that
Described rapid pipe joint also comprises the back-up ring (17) that is used for the described cutting ferrule of backstop (3) when described first stop member (6) when being in primary importance, and described back-up ring (17) is arranged at the workpiece connecting end outer wall of described conversion adapter (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320078195 CN203147122U (en) | 2013-02-20 | 2013-02-20 | Quick joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320078195 CN203147122U (en) | 2013-02-20 | 2013-02-20 | Quick joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203147122U true CN203147122U (en) | 2013-08-21 |
Family
ID=48974645
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320078195 Expired - Lifetime CN203147122U (en) | 2013-02-20 | 2013-02-20 | Quick joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203147122U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103615618A (en) * | 2013-11-15 | 2014-03-05 | 中国南方电网有限责任公司超高压输电公司广州局 | Converter valve tower self-locking draining adapter |
| CN103994290A (en) * | 2013-02-20 | 2014-08-20 | 珠海格力电器股份有限公司 | Rapid connector |
-
2013
- 2013-02-20 CN CN 201320078195 patent/CN203147122U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103994290A (en) * | 2013-02-20 | 2014-08-20 | 珠海格力电器股份有限公司 | Rapid connector |
| CN103615618A (en) * | 2013-11-15 | 2014-03-05 | 中国南方电网有限责任公司超高压输电公司广州局 | Converter valve tower self-locking draining adapter |
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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 | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130821 |