CN104564455B - Engine oil inlet pipe joint and machining method thereof - Google Patents
Engine oil inlet pipe joint and machining method thereof Download PDFInfo
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- CN104564455B CN104564455B CN201410698837.8A CN201410698837A CN104564455B CN 104564455 B CN104564455 B CN 104564455B CN 201410698837 A CN201410698837 A CN 201410698837A CN 104564455 B CN104564455 B CN 104564455B
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- wall
- sleeve pipe
- type connecting
- connecting tube
- joint type
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Abstract
The invention discloses an engine oil inlet pipe joint and a machining method thereof. The engine oil inlet pipe joint comprises a bamboo joint type connecting pipe (3), a bushing (5), a fastening nut (4) and an external nut (2), wherein the bamboo joint type connecting pipe (3) is connected with a rubber pipe (1); the fastening nut (4) and the bamboo joint type connecting pipe (3) are integrally formed; the external nut (2) sleeves one end of the bamboo joint type connecting pipe (3); the bushing (5) sleeves the outer side of the other end of the bamboo joint type connecting pipe (3); the rubber pipe (1) is positioned between the outer wall of the bamboo joint type connecting pipe (3) and the inner wall of the bushing (5); the outer wall of the bamboo joint type connecting pipe (3) is provided with a plurality of annular bumps (6) which are embedded into the inner wall of the rubber pipe (1); the inner wall of the bushing (5) is provided with a plurality of clamping teeth (7) which are embedded into the outer wall of the rubber pipe (1). The engine oil inlet pipe joint which is low in production cost and reliable in rubber pipe connection and the engine oil inlet pipe joint machining method which is simple in machining processes and firm and reliable in rubber pipe connection are provided.
Description
Technical field
The present invention relates to engine oil inlet pipe joint technical field, be especially a kind of engine oil inlet pipe joint and its add
Work method.
Background technology
Existing engine oil inlet pipe joint is a kind of connector between petroleum pipeline, in order to ensure engine just
Often work, so, there is requirement very high to the reliability and sealing of inlet connector connection.Currently, engine oil inlet pipe
The structure of joint, as shown in figure 1, including clamp nut 01, sebific duct 02, sleeve pipe 03 and bamboo joint type connecting tube 04, clamp nut 01
It is integrally formed with sleeve pipe 03, sleeve pipe 03 is thin-wall construction, clamp nut 01 is linked in the outer wall of bamboo joint type connecting tube 04, the end of sebific duct 01
Portion is located between the inwall of sleeve pipe 03 and the outer wall of bamboo joint type connecting tube 04.
The engine oil inlet pipe joint of the structure is thin-wall part due to sleeve pipe 03, and the structure of the inwall of sleeve pipe 03 is by machine
Machine, machining completion typically is carried out to the inwall of sleeve pipe 03 by cutting tool;So, in process, one
Aspect, because wall is thin, causes the cutting output of cutter big, and cutter loss is big, and production cost is high;On the other hand, because wall is thin, cutting
When being near completion, if both cutter or sleeve pipe 03 have one to shift, sleeve pipe 03 is just easily caused to scrap;Additionally, glue
The axial movement of pipe 02 is that anti-skidding work is played in the connection between annular protrusion and sebific duct 02 by the outer wall of bamboo joint type connecting tube 04
With that is, sebific duct 02 only has inwall to be limited to, and so, the slightly dilatancy of sebific duct 02 just can be from bamboo joint type connecting tube 04
Outer wall comes off, so as to cause leakage.
Currently, the processing method of engine oil inlet pipe joint is:First, bamboo joint type connecting tube 04 is placed on mounting bracket
On, and then integrally formed clamp nut 01 and sleeve pipe 03 are arranged on the outer wall of bamboo joint type connecting tube 04;
Then, sebific duct 02 is screwed between the outer wall of bamboo joint type connecting tube 04 and sleeve pipe 03;
Finally, to being withheld at the outer wall of sleeve pipe 03, not only cause that clamp nut 01 and sleeve pipe 03 are fixed on bamboo joint type company
The outer wall of adapter 04, and cause that the annular protrusion of the outer wall of bamboo joint type connecting tube 04 is embedded into the inwall of sebific duct 02.
Had the following disadvantages in above-mentioned processing method:Clamp nut 01 and sleeve pipe 03 are integrally formed, and clamp nut 01 is needed
Fit to the outer wall of bamboo joint type connecting tube 04 is wanted, so, in addition it is also necessary to the endoporus to clamp nut 01 carries out machining, and then increases
The allowance of clamp nut 01;Additionally, sebific duct 02 is by the annular protrusion and sleeve pipe 03 of the outer wall of bamboo joint type connecting tube 04
Inwall is fixed at engine oil inlet pipe joint, but, sebific duct 02 only has inwall to be limited to, so being easily caused connection not
Firmly, i.e., sebific duct 02 easily comes off from engine oil inlet pipe joint.
The content of the invention
The technical problems to be solved by the invention are to provide a kind of low production cost, the reliable engine of sebific duct connection and enter
Oil connection.
In order to solve the above technical problems, the engine oil inlet pipe joint that the present invention is provided, the bamboo joint type that it is connected with sebific duct
Connecting tube, sleeve pipe, clamp nut and outer connected nut, described clamp nut are integrally formed with bamboo joint type connecting tube;Outer connected nut
Bamboo joint type connecting tube one end is linked in, sleeve pipe is linked in outside the bamboo joint type connecting tube other end;Sebific duct is located at outside bamboo joint type connecting tube
Between wall and internal surface of sleeve pipe, bamboo joint type connection pipe outer wall is provided with the annular protrusion of multiple embedded rubber tube inner walls, and internal surface of sleeve pipe is provided with
The latch of the embedded sebific duct outer wall of multiple.
First annular groove and the second annular groove are provided with as a kind of preferred, described bamboo joint type connection pipe outer wall, are covered
Pipe one end is provided with the first bulge loop of the first annular groove of insertion, and it is second convex that outer connected nut one end is provided with embedded second annular groove
Ring.
After above engine oil inlet pipe joint, the present invention compared with prior art, with advantages below:By sleeve pipe
It is fixedly installed on bamboo joint type and is connected pipe outer wall with the split type processing of clamp nut, clamp nut, so, it is only necessary to process in sleeve pipe
Wall, the inwall without processing clamp nut, reduces the chipping allowance of internal surface of sleeve pipe, reduces production cost;Additionally, sleeve pipe with
Bamboo joint type connecting tube is connected by the form that the first bulge loop is embedded into first annular groove, and internal surface of sleeve pipe passes through with sebific duct outer wall
Latch insertion sebific duct outer wall, bamboo joint type connection pipe outer wall and rubber tube inner wall are connected by the form that annular protrusion is embedded in rubber tube inner wall
Connect, so, reliability and fastness that sebific duct is connected with inlet connector are improve on the whole, and because the inwall of sebific duct is pasted
Tight bamboo joint type connection pipe outer wall and annular protrusion, sebific duct outer wall are adjacent to internal surface of sleeve pipe and latch so that sebific duct is in the close of junction
Envelope property is also significantly improved, i.e. the outer wall and inwall of sebific duct are sealed;Further, since latch and annular protrusion
Both presence, play duplicate protection and act on during to sebific duct by axial tension, prevent sebific duct from departing from from inlet connector, that is, block
Tooth plays anti-dropout effect to sebific duct outer wall, and annular protrusion plays anti-dropout effect to rubber tube inner wall.
Another technical problem to be solved by this invention is to provide that a kind of manufacturing procedure is simple, sebific duct firm and reliable connection
Engine oil inlet pipe joint processing method.
In order to solve the above technical problems, the present invention is comprised the following steps:
A, go out sleeve pipe blank by cold moudling, then internal surface of sleeve pipe finish by numerically controlled lathe to obtain latch;
B, sleeve pipe is nested into bamboo joint type connecting tube one end outer wall, external nut is inserted in the bamboo joint type connecting tube other end
Outward;Second bulge loop outer wall of external connected nut is withheld so that the second bulge loop is embedded into the second annular groove;To sleeve pipe
First bulge loop outer wall is withheld so that the first bulge loop is embedded into first annular groove;
C, sebific duct is inserted into the space that internal surface of sleeve pipe is connected pipe outer wall with bamboo joint type;
D, sleeve outer wall is withheld so that the latch of internal surface of sleeve pipe is embedded into sebific duct outer wall, and bamboo joint type connecting tube
The annular protrusion of outer wall is embedded into rubber tube inner wall;
E, taking-up engine oil inlet pipe joint finished product.
As one kind preferably, the intermediate layer of sebific duct is wound with ground floor steel wire and second layer steel wire in described step c, the
Layer of steel wire and second layer steel wire are in circular helix, and ground floor steel wire is left-hand screw line, and second layer steel wire is right-hand helix.
After above engine oil inlet pipe joint processing method, the present invention compared with prior art, with advantages below:
Due to only needing to cut internal surface of sleeve pipe, so can just reduce the wall thickness of sleeve pipe during cold moudling, and then reduce number
Chipping allowance of the lathe tool to internal surface of sleeve pipe during control lathe;In addition, being embedded into first annular groove, the second bulge loop by the first bulge loop
It is embedded into being rigidly connected for the second annular groove so that sleeve pipe and outer connected nut are difficult to be come off from bamboo joint type connecting tube, and button
During gland pipe outer wall so that latch is embedded into sebific duct outer wall, and then improves the sealing of sebific duct outer wall and internal surface of sleeve pipe
Property, the inner and outer wall of such sebific duct receives constraint and seals.
Brief description of the drawings
Fig. 1 is the part drawing of engine oil inlet pipe joint in the prior art.
Fig. 2 is the part drawing of inventive engine inlet connector.
Wherein:
Prior art:01st, clamp nut, 02, sebific duct, 03, sleeve pipe, 04, bamboo joint type connecting tube;
The present invention:1st, sebific duct, 2, outer connected nut, 3, bamboo joint type connecting tube, 4, clamp nut, 5, sleeve pipe, 6, annular protrusion,
7th, latch, 8, first annular groove, the 9, second annular groove, the 10, first bulge loop, the 11, second bulge loop.
Specific embodiment
The present invention is described in more detail with reference to specific embodiment.
Specific embodiment:
A kind of engine oil inlet pipe joint, bamboo joint type connecting tube 3 that it is connected with sebific duct 1, sleeve pipe 5, clamp nut 2 and outer
Connected nut, described clamp nut 4 is integrally formed with bamboo joint type connecting tube 3;Outer connected nut 2 is linked in bamboo joint type connecting tube 3 one
End, sleeve pipe 5 is linked in outside the other end of bamboo joint type connecting tube 3;Sebific duct 1 be located at the outer wall of bamboo joint type connecting tube 3 and the inwall of sleeve pipe 5 it
Between, the outer wall of bamboo joint type connecting tube 3 is provided with the annular protrusion 6 of multiple embedded inwalls of sebific duct 1, and the inwall of sleeve pipe 5 is provided with multiple embedded glue
The latch 7 of the outer wall of pipe 1.
The described outer wall of bamboo joint type connecting tube 3 is provided with the annular groove 9 of first annular groove 8 and second, and the one end of sleeve pipe 5 is provided with
First bulge loop 10 of the first annular groove 8 of insertion, one end of outer connected nut 2 is provided with the second bulge loop 11 of embedded second annular groove 9.
A kind of processing method of engine oil inlet pipe joint, it is comprised the following steps:
A, go out sleeve pipe blank by cold moudling, then the inwall of sleeve pipe 5 finish obtaining latch by numerically controlled lathe
7;
B, sleeve pipe 5 is nested into one end outer wall of bamboo joint type connecting tube 3, it is another that outer connected nut 2 is inserted in into bamboo joint type connecting tube 3
End is outer;The outer wall of second bulge loop 11 of external connected nut 2 is withheld so that the second bulge loop 11 is embedded into the second annular groove 9;
The outer wall of the first bulge loop 10 to sleeve pipe 5 is withheld so that the first bulge loop 10 is embedded into first annular groove 8;
C, the space that sebific duct 1 is inserted into the inwall of sleeve pipe 5 and the outer wall of bamboo joint type connecting tube 3;
D, the outer wall of sleeve pipe 5 is withheld so that the latch 7 of the inwall of sleeve pipe 5 is embedded into the outer wall of sebific duct 1, and bamboo joint type connects
The annular protrusion 6 of the outer wall of adapter 3 is embedded into the inwall of sebific duct 1;Described withholding refers to by pressurizing unit so that the periphery of sleeve pipe 5
Wall is subject to uniform radial forces, and then so that sleeve pipe 5 is received in the position by active force, diameter reduces, so as to drive
The overall internal diameter of sleeve pipe 5 reduces;
E, taking-up engine oil inlet pipe joint finished product.
The intermediate layer of sebific duct 1 is wound with ground floor steel wire and second layer steel wire, ground floor steel wire and in described step c
Two layers of steel wire are in circular helix, and ground floor steel wire is left-hand screw line, and second layer steel wire is right-hand helix.Conventional sebific duct is
Intermediate layer be made of by fiber, so bearing capacity and security performance can not all obtain enough guarantees, so, by first
The setting of layer steel wire and second layer steel wire can improve the bearing capacity of the entirety of sebific duct 1, i.e. sebific duct 1 can transmit some high pressures
Oil;The security that sebific duct 1 transmits fluid can also be improved, i.e. sebific duct 1 is difficult explosion.
In said structure and method, the concept of bamboo joint type connecting tube 3 is exactly that the outer wall of an annulus is provided with some rings
Shape projection and annular groove, these annular protrusions and annular groove seem similar to the junction of bamboo, so referred to as bamboo
Section formula connecting tube.
Claims (4)
1. a kind of engine oil inlet pipe joint, it includes the bamboo joint type connecting tube (3) be connected with sebific duct (1), sleeve pipe (5), fastens
Nut (2) and outer connected nut (2), it is characterised in that:The clamp nut (4) is integrally formed with bamboo joint type connecting tube (3);It is external
Nut (2) is linked in bamboo joint type connecting tube (3) one end, and sleeve pipe (5) is linked in outside bamboo joint type connecting tube (3) other end;Sebific duct (1)
Between bamboo joint type connecting tube (3) outer wall and sleeve pipe (5) inwall, bamboo joint type connecting tube (3) outer wall is provided with multiple embedded sebific ducts
(1) annular protrusion (6) of inwall, sleeve pipe (5) inwall is provided with the latch (7) of multiple embedded sebific duct (1) outer walls.
2. engine oil inlet pipe joint according to claim 1, it is characterised in that:Bamboo joint type connecting tube (3) outer wall sets
There are first annular groove (8) and the second annular groove (9), it is first convex that sleeve pipe (5) one end is provided with the first annular groove (8) of insertion
Ring (10), outer connected nut (2) one end is provided with second bulge loop (11) of embedded second annular groove (9).
3. a kind of processing method of engine oil inlet pipe joint, it is characterised in that:It is comprised the following steps:
A, go out sleeve pipe blank by cold moudling, then sleeve pipe (5) inwall finish obtaining latch by numerically controlled lathe
(7);
B, sleeve pipe (5) is nested into bamboo joint type connecting tube (3) one end outer wall, outer connected nut (2) is inserted in bamboo joint type connecting tube (3)
Outside the other end;The second bulge loop (11) outer wall of external connected nut (2) is withheld so that the second bulge loop (11) is embedded into the second ring
In connected in star (9);The first bulge loop (10) outer wall to sleeve pipe (5) is withheld so that the first bulge loop (10) is embedded into the first ring
In connected in star (8);
C, the space that sebific duct (1) is inserted into sleeve pipe (5) inwall and bamboo joint type connecting tube (3) outer wall;
D, sleeve pipe (5) outer wall is withheld so that the latch (7) of sleeve pipe (5) inwall is embedded into sebific duct (1) outer wall, and ring
The annular protrusion (6) of formula connecting tube (3) outer wall is embedded into sebific duct (1) inwall;
E, taking-up engine oil inlet pipe joint finished product.
4. engine oil inlet pipe joint processing method according to claim 3, it is characterised in that:Sebific duct (1) in the step c
Intermediate layer be wound with ground floor steel wire and second layer steel wire, ground floor steel wire and second layer steel wire are in circular helix, the
Layer of steel wire is left-hand screw line, and second layer steel wire is right-hand helix.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201410698837.8A CN104564455B (en) | 2014-11-27 | 2014-11-27 | Engine oil inlet pipe joint and machining method thereof |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201410698837.8A CN104564455B (en) | 2014-11-27 | 2014-11-27 | Engine oil inlet pipe joint and machining method thereof |
Publications (2)
Publication Number | Publication Date |
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CN104564455A CN104564455A (en) | 2015-04-29 |
CN104564455B true CN104564455B (en) | 2017-05-24 |
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ID=53081338
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Application Number | Title | Priority Date | Filing Date |
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CN201410698837.8A Expired - Fee Related CN104564455B (en) | 2014-11-27 | 2014-11-27 | Engine oil inlet pipe joint and machining method thereof |
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CN (1) | CN104564455B (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN105834701B (en) * | 2016-06-15 | 2017-11-21 | 芜湖金源机械制造有限公司 | The processing method of engine water branch connecting pipe |
CN106764143B (en) * | 2016-12-05 | 2019-08-20 | 新黎明科技股份有限公司 | Anti-explosion movable joint and its attaching nut's installation method |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH09229265A (en) * | 1996-02-20 | 1997-09-05 | Kyokuto Gomme Kk | Pipe coupling provided with rubber flexible pipe |
JP2002323187A (en) * | 2001-04-23 | 2002-11-08 | Kurashiki Kako Co Ltd | Flexible joint and method of manufacturing the flexible joint |
CN203614947U (en) * | 2013-12-25 | 2014-05-28 | 宁波泰尔汽车部件有限公司 | Engine joint component |
CN203614970U (en) * | 2013-12-25 | 2014-05-28 | 宁波泰尔汽车部件有限公司 | Portable type fastening connection pipe component |
CN204239939U (en) * | 2014-11-27 | 2015-04-01 | 宁波泰尔汽车部件有限公司 | Engine oil inlet pipe joint |
-
2014
- 2014-11-27 CN CN201410698837.8A patent/CN104564455B/en not_active Expired - Fee Related
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH09229265A (en) * | 1996-02-20 | 1997-09-05 | Kyokuto Gomme Kk | Pipe coupling provided with rubber flexible pipe |
JP2002323187A (en) * | 2001-04-23 | 2002-11-08 | Kurashiki Kako Co Ltd | Flexible joint and method of manufacturing the flexible joint |
CN203614947U (en) * | 2013-12-25 | 2014-05-28 | 宁波泰尔汽车部件有限公司 | Engine joint component |
CN203614970U (en) * | 2013-12-25 | 2014-05-28 | 宁波泰尔汽车部件有限公司 | Portable type fastening connection pipe component |
CN204239939U (en) * | 2014-11-27 | 2015-04-01 | 宁波泰尔汽车部件有限公司 | Engine oil inlet pipe joint |
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Publication number | Publication date |
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CN104564455A (en) | 2015-04-29 |
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