CN207364510U - A kind of flared type end free flow coupling - Google Patents
A kind of flared type end free flow coupling Download PDFInfo
- Publication number
- CN207364510U CN207364510U CN201721218133.1U CN201721218133U CN207364510U CN 207364510 U CN207364510 U CN 207364510U CN 201721218133 U CN201721218133 U CN 201721218133U CN 207364510 U CN207364510 U CN 207364510U
- Authority
- CN
- China
- Prior art keywords
- connector
- seal groove
- connecting portion
- nut block
- pipe fitting
- 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 - Fee Related
Links
Abstract
The utility model proposes a kind of flared type end free flow coupling,Including pipe fitting body,First connector,It is flared connecting portion,Hex nut block,Second connector,First seal groove and the second seal groove,Mainstream channel is equipped with the pipe fitting body,One end of the pipe fitting body is equipped with the first connector,First connector is equipped with flaring connecting portion,The other end of the pipe fitting body is equipped with the second connector,Second connector is equipped with external screw thread,The first seal groove is equipped between second connector and hex nut block,The junction of the hex nut block and the first seal groove is equipped with changeover portion,The periphery of the changeover portion offers annular groove,The second seal groove is offered between the hex nut block and flaring connecting portion,The end of connector is easily installed equipped with inlet,Closure gasket groove is set on flaring connecting portion,The top of nut block sets sealing taper surface,Sealing effect is good,Reduce fluid leakage,Dependable performance.
Description
【Technical field】
The technical field of pipeline connection is the utility model is related to, a kind of particularly ship machinery is connect with flared type end straight pipe
Head.
【Background technology】
Pipeline is the highest means of transportation of medium transfer efficiency, and pipe will be installed and just can be connected to pipeline, connect pipe
The ease of use and reliability of pipe fitting are the staples of pipeline quality of connection, construction total common skill during the connection of pipeline
Connection of art, such as stainless steel waterpipe etc., the instrument connected between pipe joint type pipeline, flared type hose coupling and fittings body
That is applied in hydraulic system is very extensive, and this form is used in many engineering machinery.In traditional flaring type joint body
Design in, generally use conical surface design, its sealing characteristics are mutually squeezed by the male cone (strobilus masculinus) of the inner conical surface of hose and fittings body
Swaging is into band, to realize sealing.Interior male cone (strobilus masculinus) is easily set to produce plastic deformation during the assembling of hose tightens.It is but existing
Some pipe fittings in use, increase over time, and also worse and worse, leak often occurs in the leakproofness of pipe fitting
Situation, bring great inconvenience to use, therefore propose a kind of flared type end free flow coupling.
【Utility model content】
The purpose of this utility model is exactly to solve the problems of the prior art, proposes a kind of flared type end free flow coupling,
The end of connector is easily installed equipped with inlet, is flared on connecting portion and is set the top of closure gasket groove, nut block to set sealing
Taper surface, sealing effect is good, reduces fluid leakage, dependable performance.
To achieve the above object, the utility model proposes a kind of flared type end free flow coupling, including pipe fitting body,
First connector, flaring connecting portion, hex nut block, the second connector, the first seal groove and the second seal groove, the pipe fitting
Mainstream channel is equipped with body, one end of the pipe fitting body is equipped with the first connector, and first connector, which is equipped with, to be expanded
Mouth connecting portion, the other end of the pipe fitting body are equipped with the second connector, and second connector is equipped with external screw thread, described
Hex nut block is equipped with the between the first connector and the second connector between second connector and hex nut block
One seal groove, the junction of the hex nut block and the first seal groove are equipped with changeover portion, and the periphery of the changeover portion offers
Annular groove, the second seal groove is offered between the hex nut block and flaring connecting portion.
Preferably, the outer wall of the flaring connecting portion is taper surface, the busbar and axis of the outer wall of the flaring connecting portion
The angle of line is 40 degree.
Preferably, second seal groove is annular groove, the cross sectional shape of second seal groove is rectangle, described
The corner of two seal groove inner rings is equipped with the first arc transition.
Preferably, first seal groove is annular groove, one end of a seal groove is equipped with cascaded surface, described first
The other end of seal groove is equipped with the first taper surface, and the angle between the busbar and axis of first taper surface is 60 degree, described
The junction of cascaded surface, the first taper surface and the first seal groove is equipped with the second arc transition.
Preferably, the end of first connector is equipped with inlet, the shape of the inlet is truncated cone-shaped, described
The busbar of inlet and the angle of axis are 30 degree.
Preferably, the axis of the mainstream channel and the axis of the first connector, the second connector coincide.
The beneficial effects of the utility model:The utility model by pipe fitting body, the first connector, flaring connecting portion,
The cooperation of hex nut block, the second connector, the first seal groove and the second seal groove etc., the end of connector are equipped with inlet just
In installation, it is flared on connecting portion and closure gasket groove, the top setting sealing taper surface of nut block is set, sealing effect is good, reduces stream
Body leaks, dependable performance.
The feature and advantage of the utility model will be described in detail by embodiment combination attached drawing.
【Brief description of the drawings】
Fig. 1 is a kind of structure diagram of flared type end free flow coupling of the utility model;
Fig. 2 is a kind of cross section structure schematic diagram of first seal groove of flared type end free flow coupling of the utility model;
Fig. 3 is a kind of cross section structure schematic diagram of second seal groove of flared type end free flow coupling of the utility model.
【Embodiment】
Connected refering to a kind of Fig. 1 to flared type end free flow coupling of Fig. 3 the utility model, including pipe fitting body 1, first
First 2, connecting portion 3, hex nut block 4, the second connector 5, the first seal groove 6 and the second seal groove 7, the pipe fitting sheet are flared
Mainstream channel 11 is equipped with body 1, one end of the pipe fitting body 1 is equipped with the first connector 2, is set on first connector 2
There is flaring connecting portion 3, the other end of the pipe fitting body 1 is equipped with the second connector 5, and second connector 5 is equipped with outer
Screw thread, the hex nut block 4 is between the first connector 2 and the second connector 5, second connector 5 and hexagonal spiral shell
The first seal groove 6 is equipped between mother tuber 4, the junction of 4 and first seal groove 6 of hex nut block is equipped with changeover portion 41, institute
The periphery for stating changeover portion 41 offers annular groove 42, and the second sealing is offered between the hex nut block 4 and flaring connecting portion 3
Groove 7.The outer wall of the flaring connecting portion 3 is taper surface, and the busbar of outer wall and the angle of axis of the flaring connecting portion 3 are 40
Degree.Second seal groove 7 is annular groove, and the cross sectional shape of second seal groove 7 is rectangle, in second seal groove 7
The corner of circle is equipped with the first arc transition 71.First seal groove 6 is annular groove, and one end of a seal groove 6 is equipped with
Cascaded surface 61, the other end of first seal groove 6 are equipped with the first taper surface 62, the busbar and axis of first taper surface 62
Between angle be 60 degree, the junction of the cascaded surface 61, the first taper surface 62 and the first seal groove 6 is equipped with the second circular arc mistake
Cross 63.The end of first connector 2 is equipped with inlet 21, and the shape of the inlet 21 is truncated cone-shaped, the inlet
21 busbar and the angle of axis are 30 degree.The axis of the mainstream channel 11 and the first connector 2, the axis of the second connector 5
Line coincides.
Utility model works process:
A kind of operation principle of flared type end free flow coupling of the utility model is:The utility model passes through pipe fitting sheet
Body, the first connector, flaring connecting portion, hex nut block, the second connector, the first seal groove and the second seal groove etc. are matched somebody with somebody
Close, the end of connector is easily installed equipped with inlet, is flared on connecting portion and is set the top setting of closure gasket groove, nut block close
Taper surface is sealed, sealing effect is good, reduces fluid leakage, dependable performance.
Above-described embodiment is the explanation to the utility model, is not the restriction to the utility model, any new to this practicality
Scheme after type simple transformation belongs to the scope of protection of the utility model.
Claims (6)
- A kind of 1. flared type end free flow coupling, it is characterised in that:Including pipe fitting body (1), the first connector (2), flaring Connecting portion (3), hex nut block (4), the second connector (5), the first seal groove (6) and the second seal groove (7), the pipe fitting Mainstream channel (11) is equipped with body (1), one end of the pipe fitting body (1) is equipped with the first connector (2), and described first connects Connector (2) is equipped with flaring connecting portion (3), and the other end of the pipe fitting body (1) is equipped with the second connector (5), and described the Two connectors (5) are equipped with external screw thread, the hex nut block (4) be located at the first connector (2) and the second connector (5) it Between, be equipped with the first seal groove (6) between second connector (5) and hex nut block (4), the hex nut block (4) with The junction of first seal groove (6) is equipped with changeover portion (41), and the periphery of the changeover portion (41) offers annular groove (42), described The second seal groove (7) is offered between hex nut block (4) and flaring connecting portion (3).
- A kind of 2. flared type end as claimed in claim 1 free flow coupling, it is characterised in that:The flaring connecting portion (3) Outer wall is taper surface, and the busbar of outer wall and the angle of axis of the flaring connecting portion (3) are 40 degree.
- A kind of 3. flared type end as claimed in claim 1 free flow coupling, it is characterised in that:Second seal groove (7) is Annular groove, the cross sectional shape of second seal groove (7) is rectangle, and the corner of the second seal groove (7) inner ring is equipped with the One arc transition (71).
- A kind of 4. flared type end as claimed in claim 1 free flow coupling, it is characterised in that:First seal groove (6) is Annular groove, one end of a seal groove (6) are equipped with cascaded surface (61), and the other end of first seal groove (6) is equipped with first Taper surface (62), the angle between the busbar and axis of first taper surface (62) is 60 degree, the cascaded surface (61), first Taper surface (62) and the junction of the first seal groove (6) are equipped with the second arc transition (63).
- A kind of 5. flared type end as claimed in claim 1 free flow coupling, it is characterised in that:First connector (2) End is equipped with inlet (21), and the shape of the inlet (21) is truncated cone-shaped, the busbar of the inlet (21) and axis Angle is 30 degree.
- A kind of 6. flared type end as claimed in claim 1 free flow coupling, it is characterised in that:The axis of the mainstream channel (11) The axis of line and the first connector (2), the second connector (5) coincides.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201721218133.1U CN207364510U (en) | 2017-09-21 | 2017-09-21 | A kind of flared type end free flow coupling |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201721218133.1U CN207364510U (en) | 2017-09-21 | 2017-09-21 | A kind of flared type end free flow coupling |
Publications (1)
Publication Number | Publication Date |
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CN207364510U true CN207364510U (en) | 2018-05-15 |
Family
ID=62349788
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201721218133.1U Expired - Fee Related CN207364510U (en) | 2017-09-21 | 2017-09-21 | A kind of flared type end free flow coupling |
Country Status (1)
Country | Link |
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CN (1) | CN207364510U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110529673A (en) * | 2019-08-28 | 2019-12-03 | 嘉兴通达机械有限公司 | A kind of novel hydraulic pipe fitting |
-
2017
- 2017-09-21 CN CN201721218133.1U patent/CN207364510U/en not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110529673A (en) * | 2019-08-28 | 2019-12-03 | 嘉兴通达机械有限公司 | A kind of novel hydraulic pipe fitting |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180515 Termination date: 20200921 |