CN206377383U - Snap joint - Google Patents
Snap joint Download PDFInfo
- Publication number
- CN206377383U CN206377383U CN201621424517.4U CN201621424517U CN206377383U CN 206377383 U CN206377383 U CN 206377383U CN 201621424517 U CN201621424517 U CN 201621424517U CN 206377383 U CN206377383 U CN 206377383U
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- Prior art keywords
- valve element
- valve
- valve core
- connecting portion
- ring
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Abstract
The utility model is related to a kind of attachment means of fast assembling-disassembling, especially snap joint.Snap joint, including public plug and mother socket, public plug includes plug, valve element A and valve seat A, valve element A includes valve core head A, valve element connecting portion A and valve core rod A, groove is equipped with the middle part of valve element connecting portion A, groove front and rear sides are round estrade, valve element connecting portion A outer walls are cased with valve element O-ring A, plug outer wall is provided with back stop slot, mother socket includes housing, valve element B and valve seat B, valve element B includes valve core head B, valve element connecting portion B and valve core rod B, groove is equipped with the middle part of valve element connecting portion B, groove front and rear sides are round estrade, valve element connecting portion B outer walls are cased with valve element O-ring B, housing left end outer wall is provided with overcoat, the overcoat connects steel ball, steel ball passes through housing.Usefulness of the present utility model:Valve element connecting portion A is provided with after groove, and pre-small post-large to form annular tip, valve element O-ring puts in easily, difficult for drop-off, lift-off seal effect.
Description
Technical field
The utility model is related to a kind of attachment means of fast assembling-disassembling, especially snap joint.
Background technology
Snap joint includes hydraulic quick coupling and various fluid quick joints, and it is a kind of quick connection or off-tube
Road, realizes the attachment means of fast assembling-disassembling.Because there is dual check function pipeline to disconnect No leakage for snap joint, therefore in stone
Oil, metallurgy, water power, engineering machinery, ship, electromechanical equipment etc. are widely used in field.Connecting structure for quick coupling is
The most important part of snap joint, its connected mode and structure directly determines the ease of use of snap joint, reliability
And product quality.Snap joint is made up of public plug and mother socket two parts, and the valve element in public plug and mother socket is generally cased with
Valve element O-ring, but valve element outer wall is smooth, valve element O-ring easily loosens, and influences sealing effectiveness.
The content of the invention
In order to solve the technical problem that above-mentioned valve element O-ring easily loosens influence sealing effectiveness, the utility model provides fast
Quick coupling.
The technical solution of the utility model is as follows:
Snap joint, including public plug and mother socket, public plug are included in the middle part of plug, valve element A and valve seat A, the plug
Inwall is fixed with valve seat A, the valve seat A and is smoothly provided with slidable valve element A, and valve element A includes valve core head A, valve element and connected
Portion A and valve core rod A, valve core rod A are connected by valve element connecting portion A with valve core head A, and valve core rod A is contacted with valve seat A, valve core head A from
Left-to-right is round platform A, cylinder A and round platform B successively, and round platform A and round platform B diameter are from left to right reduced successively, plug and circle
Cylinder A wall contacts, round platform A outer walls and the laminating of plug inwall inclined-plane, round platform B are exposed, are equipped with the middle part of valve element connecting portion A recessed
Groove, groove front and rear sides are round estrade, and from left to right diameter increases round estrade successively, and it is O-shaped that valve element connecting portion A outer walls are cased with valve element
A is enclosed, valve element O-ring A is contacted with valve core head A, and valve element O-ring A is contacted with plug inwall, and valve core rod A is cased with valve element bonnet A, valve
Core bonnet A is fastened on valve element O-ring A, and valve core spring A is provided between the valve element bonnet A and valve seat A, and plug outer wall is provided with
Back stop slot to block steel ball, mother socket includes housing, valve element B and valve seat B, and the rear inwall is fixed with valve seat
Slidable valve element B is smoothly provided with B, the valve seat B, valve element B includes valve core head B, valve element connecting portion B and valve core rod B, valve element
Bar B is connected by valve element connecting portion B with valve core head B, and valve core rod B is contacted with valve seat B, and valve core head B is round platform successively from right to left
C, cylinder B and round platform D, round platform C and round platform D diameter are reduced successively from right to left, housing and cylinder B wall contacts, circle
Platform C outer walls and the laminating of inner walls inclined-plane, round platform B are exposed in housing front portion, and groove is equipped with the middle part of valve element connecting portion B, recessed
Groove front and rear sides are round estrade, and diameter increases round estrade successively from right to left, and valve element connecting portion B outer walls are cased with valve element O-ring B,
Valve element O-ring B is contacted with valve core head B, and valve element O-ring B is contacted with inner walls, and valve core rod B is cased with valve element bonnet B, valve element valve
Cap B is fastened on valve element O-ring B, and valve core spring B is provided between the valve element bonnet B and valve seat B, and housing left end outer wall is provided with
Overcoat, the overcoat connects steel ball, and steel ball passes through housing.
Using the technical solution of the utility model, the seal of valve uses PTFE material, and being adapted to high purity chemical fluid should
With;Main material passes through milled processed, and corrosion resistance is greatly improved;When joint disconnects, valve element is closed automatically, prevent leakage;
After joint connection, valve is automatically turned on, and in nominal working range, remains the unobstructed of fluid;Reliable ball latch mechanism is by phase
The two halves of matching are partially bonded together;Round table-like head is compared to the head of depression arc, and runner has been reduced, but processing letter
Easily, durable, effect is very good in the impact of the slow pulse of resistance high-velocity fluid and solution, and is arranged with the multi-layer sealed protection of inwall
Apply, improve the performance parameter of snap joint;Valve element connecting portion is provided with after groove, pre-small post-large to form annular tip, and valve element is O-shaped
Circle puts in easily, but takes down because tip is withstood, very difficult, difficult for drop-off, lift-off seal effect, and easy to connect fast
Prompt, intensity is high, resistance to deficient property is good, and operating pressure is up to reachable -40 DEG C to 200 DEG C of 35MPa, high temperature resistant, and plug access times can
Up to 500,000 times.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the structural representation of the utility model mother socket;
Fig. 3 is the structural representation of the utility model public plug.
Embodiment
The utility model is described in further detail with reference to the accompanying drawings and examples.
Embodiment
Snap joint as shown in Figure 1, 2, 3, including public plug and mother socket, public plug include plug 1, valve element A2 and valve
Seat A3, the left side outer wall of plug 1 is hexagon shape, and process operation is convenient, and the middle part inwall of plug 1 is fixed with valve seat A3, institute
State and slidable valve element A2 is smoothly provided with valve seat A3, valve element A2 includes valve core head A, valve element connecting portion A and valve core rod A, valve element
Bar A is connected by valve element connecting portion A with valve core head A, and valve core head A is located at the right side of plug 1, and valve core rod A is contacted with valve seat A3, valve
Core print A is from left to right round platform A15, cylinder A16 and round platform B17 successively, and round platform A15 and round platform B17 diameter are from left to right
Reduce successively, plug 1 and cylinder A16 wall contacts, round platform A15 outer walls and the laminating of the inwall inclined-plane of plug 1, such sealing effectiveness
More preferably, valve element O-ring A4 sealings are coordinated, round platform B17 is exposed, is equipped with groove in the middle part of valve element connecting portion A, groove front and rear sides are
Round estrade, from left to right diameter increases round estrade successively, and valve element connecting portion A outer walls are cased with valve element O-ring A4, valve element O-ring A4
Contacted with valve core head A, valve element O-ring A4 is contacted with the inwall of plug 1, valve core rod A is cased with valve element bonnet A14, valve element bonnet A14 cards
It is located on valve element O-ring A4, valve core spring A6 is provided between the valve element bonnet A14 and valve seat A3, the outer wall of plug 1, which is provided with, is used to
The back stop slot of steel ball 8 is blocked, mother socket includes housing 18, valve element B23 and valve seat B20, and the rear inside wall of housing 18 is fixed and set
Have and slidable valve element B23 is smoothly provided with valve seat B20, the valve seat B20, valve element B23 includes valve core head B, valve element connecting portion B
It is located at the left part inwall of housing 18 with valve core rod B, valve core head B, valve core rod B is connected by valve element connecting portion B with valve core head B, valve
Core bar B is contacted with valve seat B20, and valve core head B is round platform C, cylinder B and round platform D successively from right to left, and round platform C and round platform D's is straight
Footpath is reduced successively from right to left, housing 18 and cylinder B wall contacts, round platform C outer walls and the laminating of the inwall inclined-plane of housing 18, round platform
B17 be exposed at housing 18 it is anterior in, be equipped with groove in the middle part of valve element connecting portion B, groove front and rear sides are round estrade, round estrade from
The right side increases successively to left diameter, and valve element connecting portion B outer walls are cased with valve element O-ring B7, and valve element O-ring B7 is contacted with valve core head B, valve
Core O-ring B7 is contacted with the inwall of housing 18, and valve core rod B is cased with valve element bonnet B13, and valve element bonnet B13 is fastened on valve element O-ring B7
On, valve core spring B12 is provided between the valve element bonnet B13 and valve seat B20, the left end outer wall of housing 18 is provided with overcoat 22, described
Overcoat 22 connects steel ball 8, and steel ball 8 passes through housing 18, and outer casing spring 9 is provided between overcoat 22 and housing 18.
In use, valve seat A3 and the junction of plug 1 are provided with valve provided with valve seat back-up ring A5, valve seat B20 and the junction of housing 18
Seat back-up ring B11, the anterior outer wall of housing 18 is provided with overcoat back-up ring 10, and for spacing overcoat 22, the front inner wall of housing 18 is provided with housing O
Type circle 21, in order to improve sealing effectiveness, the insertion housing 18 of plug 1, steel ball 8 pins back stop slot, and connection when exiting, departs from steel ball 8
, because valve element O-ring A4 is withstood in annular tip 19, even if fluid impact, valve element O-ring A4 is not easy to movement and come off, and protects
Hold good seal performance.
Claims (1)
1. snap joint, including public plug and mother socket, it is characterised in that:Public plug includes plug(1), valve element A(2)And valve seat
A(3), the plug(1)Middle part inwall is fixed with valve seat A(3), the valve seat A(3)On smoothly be provided with slidable valve element A
(2), valve element A(2)Including valve core head A, valve element connecting portion A and valve core rod A, valve core rod A passes through valve element connecting portion A and valve core head A
Connection, valve core rod A and valve seat A(3)Contact, valve core head A is from left to right round platform A successively(15), cylinder A(16)With round platform B
(17), round platform A(15)With round platform B(17)Diameter from left to right reduce successively, plug(1)With cylinder A(16)Wall contacts,
Round platform A(15)Outer wall and plug(1)Inwall inclined-plane is fitted, round platform B(17)It is exposed, groove is equipped with the middle part of valve element connecting portion A, it is recessed
Groove front and rear sides are round estrade, and from left to right diameter increases round estrade successively, and valve element connecting portion A outer walls are cased with valve element O-ring A
(4), valve element O-ring A(4)Contacted with valve core head A, valve element O-ring A(4)With plug(1)Inwall is contacted, and valve core rod A is cased with valve element
Bonnet A(14), valve element bonnet A(14)It is fastened on valve element O-ring A(4)On, the valve element bonnet A(14)With valve seat A(3)Between
Provided with valve core spring A(6), plug(1)Outer wall is provided with to block steel ball(8)Back stop slot, mother socket include housing(18), valve
Core B(23)With valve seat B(20), the housing(18)Rear inside wall is fixed with valve seat B(20), the valve seat B(20)It is upper smooth
Provided with slidable valve element B(23), valve element B(23)Including valve core head B, valve element connecting portion B and valve core rod B, valve core rod B passes through valve
Core connecting portion B is connected with valve core head B, valve core rod B and valve seat B(20)Contact, valve core head B is round platform C, cylinder successively from right to left
Body B and round platform D, round platform C and round platform D diameter are reduced successively from right to left, housing(18)With cylinder B wall contacts, round platform C
Outer wall and housing(18)Inwall inclined-plane is fitted, round platform B(17)It is exposed at housing(18)In anterior, ring is set in the middle part of valve element connecting portion B
Fluted, groove front and rear sides are round estrade, and diameter increases round estrade successively from right to left, and valve element connecting portion B outer walls are cased with valve
Core O-ring B(7), valve element O-ring B(7)Contacted with valve core head B, valve element O-ring B(7)With housing(18)Inwall is contacted, valve core rod
B is cased with valve element bonnet B(13), valve element bonnet B(13)It is fastened on valve element O-ring B(7)On, the valve element bonnet B(13)And valve seat
B(20)Between be provided with valve core spring B(12), housing(18)Left end outer wall is provided with overcoat(22), the overcoat connection steel ball(8),
Steel ball(8)Through housing(18).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201621424517.4U CN206377383U (en) | 2016-12-23 | 2016-12-23 | Snap joint |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201621424517.4U CN206377383U (en) | 2016-12-23 | 2016-12-23 | Snap joint |
Publications (1)
Publication Number | Publication Date |
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CN206377383U true CN206377383U (en) | 2017-08-04 |
Family
ID=59407422
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201621424517.4U Active CN206377383U (en) | 2016-12-23 | 2016-12-23 | Snap joint |
Country Status (1)
Country | Link |
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CN (1) | CN206377383U (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108317324A (en) * | 2018-04-28 | 2018-07-24 | 浙江松乔气动液压有限公司 | Quick coupling |
CN110594512A (en) * | 2019-10-11 | 2019-12-20 | 安徽科德森机械有限公司 | One-way double-sealing hydraulic quick-change connector |
WO2021119955A1 (en) * | 2019-12-16 | 2021-06-24 | 苏州信运比尔精密机械有限公司 | Pipeline quick connecting device |
CN114233958A (en) * | 2021-12-03 | 2022-03-25 | 北方导航控制技术股份有限公司 | High-sealing self-sealing quick joint |
-
2016
- 2016-12-23 CN CN201621424517.4U patent/CN206377383U/en active Active
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108317324A (en) * | 2018-04-28 | 2018-07-24 | 浙江松乔气动液压有限公司 | Quick coupling |
CN110594512A (en) * | 2019-10-11 | 2019-12-20 | 安徽科德森机械有限公司 | One-way double-sealing hydraulic quick-change connector |
WO2021119955A1 (en) * | 2019-12-16 | 2021-06-24 | 苏州信运比尔精密机械有限公司 | Pipeline quick connecting device |
CN114233958A (en) * | 2021-12-03 | 2022-03-25 | 北方导航控制技术股份有限公司 | High-sealing self-sealing quick joint |
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