CN104564455A - Engine oil inlet pipe joint and machining method thereof - Google Patents

Engine oil inlet pipe joint and machining method thereof Download PDF

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Publication number
CN104564455A
CN104564455A CN201410698837.8A CN201410698837A CN104564455A CN 104564455 A CN104564455 A CN 104564455A CN 201410698837 A CN201410698837 A CN 201410698837A CN 104564455 A CN104564455 A CN 104564455A
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China
Prior art keywords
wall
sleeve pipe
joint type
tube connector
bamboo joint
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CN201410698837.8A
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Chinese (zh)
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CN104564455B (en
Inventor
董阿能
白永洁
陈荣发
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NINGBO TAIER AUTOMOBILE PARTS CO Ltd
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NINGBO TAIER AUTOMOBILE PARTS CO Ltd
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Publication of CN104564455A publication Critical patent/CN104564455A/en
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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

Engine oil inlet pipe joint and processing method thereof
Technical field
The present invention relates to engine oil inlet pipe joint technical field, is specifically a kind of engine oil inlet pipe joint and processing method thereof.
Background technology
Existing engine oil inlet pipe joint is a kind of for the connector between petroleum pipeline, in order to ensure the normal work of engine, so the reliability connect inlet connector and sealing have very high requirement.Current, the structure of engine oil inlet pipe joint, as shown in Figure 1, comprise clamp nut 01, sebific duct 02, sleeve pipe 03 and bamboo joint type tube connector 04, clamp nut 01 is one-body molded with sleeve pipe 03, sleeve pipe 03 is thin-wall construction, and clamp nut 01 is linked in bamboo joint type tube connector 04 outer wall, and sebific duct 01 end is between sleeve pipe 03 inwall and bamboo joint type tube connector 04 outer wall.
The engine oil inlet pipe joint of this structure due to sleeve pipe 03 be thin-wall part, and the structure of sleeve pipe 03 inwall is completed by machined, and normally carrying out machining by cutting tool to sleeve pipe 03 inwall completes; So in process, on the one hand, because wall is thin, cause the cutting output of cutter large, cutter loss is large, and production cost is high; On the other hand, because wall is thin, time cutting is near completion, if both cutter or sleeve pipe 03 have one to offset, just very easily sleeve pipe 03 is caused to scrap; In addition, moving axially of sebific duct 02 is that anti-skidding effect is played in connection by between the annular protrusion of bamboo joint type tube connector 04 outer wall and sebific duct 02, namely sebific duct 02 only has inwall to be limited, so, sebific duct 02 slightly dilatancy just can come off from bamboo joint type tube connector 04 outer wall, thus causes leaking.
Current, the processing method of engine oil inlet pipe joint is: first, is placed on installing rack by bamboo joint type tube connector 04, and then integrated clamp nut 01 and sleeve pipe 03 are arranged on bamboo joint type tube connector 04 outer wall;
Then, sebific duct 02 is screwed between bamboo joint type tube connector 04 outer wall and sleeve pipe 03;
Finally, to sleeve pipe 03 outer wall, place withholds, and not only makes clamp nut 01 and sleeve pipe 03 be fixed on bamboo joint type tube connector 04 outer wall, and makes the annular protrusion of bamboo joint type tube connector 04 outer wall be embedded into sebific duct 02 inwall.
There is following shortcoming in above-mentioned processing method: clamp nut 01 and sleeve pipe 03 one-body molded, and clamp nut 01 needs cover to be incorporated into bamboo joint type tube connector 04 outer wall, so, also need to carry out machining to the endoporus of clamp nut 01, and then add the allowance of clamp nut 01; In addition, sebific duct 02 is fixed on engine oil inlet pipe joint place by the annular protrusion of bamboo joint type tube connector 04 outer wall and sleeve pipe 03 inwall, but sebific duct 02 only has inwall to be limited, so easily cause connection insecure, namely sebific duct 02 very easily comes off from engine oil inlet pipe joint.
Prior art: 01, clamp nut, 02, sebific duct, 03, sleeve pipe, 04, bamboo joint type tube connector;
The present invention: 1, sebific duct, 2, outer connected nut, 3, bamboo joint type tube connector, 4, clamp nut, 5, sleeve pipe, 6, annular protrusion, 7, latch, 8, first ring connected in star, the 9, second annular groove, 10, the first bulge loop, the 11, second bulge loop.
Summary of the invention
Technical problem to be solved by this invention is, provides that a kind of production cost is low, sebific duct connects reliable engine oil inlet pipe joint.
For solving the problems of the technologies described above, engine oil inlet pipe joint provided by the invention, the bamboo joint type tube connector that it is connected with sebific duct, sleeve pipe, clamp nut and outer connected nut, described clamp nut and bamboo joint type tube connector one-body molded; External nut sleeve is combined in bamboo joint type tube connector one end, and casing pipe sleeve is combined in outside the bamboo joint type tube connector other end; Sebific duct is between bamboo joint type tube connector outer wall and internal surface of sleeve pipe, and bamboo joint type tube connector outer wall is provided with the annular protrusion of multiple embedding rubber tube inner wall, and internal surface of sleeve pipe is provided with the latch of multiple embedding sebific duct outer wall.
Preferred as one, described bamboo joint type tube connector outer wall is provided with first ring connected in star and the second annular groove, and sleeve pipe one end is provided with the first bulge loop embedding first ring connected in star, and outer connected nut one end is provided with the second bulge loop of embedding second annular groove.
After adopting above engine oil inlet pipe joint, the present invention compared with prior art, have the following advantages: be fixedly installed on bamboo joint type tube connector outer wall by sleeve pipe and the split type processing of clamp nut, clamp nut, so, only need to process internal surface of sleeve pipe, without the need to processing the inwall of clamp nut, reducing the chipping allowance of internal surface of sleeve pipe, reducing production cost, in addition, the form that sleeve pipe is embedded into first ring connected in star with bamboo joint type tube connector by the first bulge loop is connected, and internal surface of sleeve pipe and sebific duct outer wall embed sebific duct outer wall by latch, the form that bamboo joint type tube connector outer wall and rubber tube inner wall embed rubber tube inner wall by annular protrusion is connected, so, improve reliability and fastness that sebific duct is connected with inlet connector on the whole, and be adjacent to bamboo joint type tube connector outer wall and annular protrusion due to the inwall of sebific duct, sebific duct outer wall is adjacent to internal surface of sleeve pipe and latch, sebific duct is made to have also been obtained significant improvement in the sealing of junction, namely the outer wall of sebific duct and inwall all obtain sealing, in addition, due to the existence of latch and annular protrusion, to sebific duct by the effect playing duplicate protection during axial tension, prevent sebific duct from departing from from inlet connector, namely latch plays slip-off preventing effect to sebific duct outer wall, and annular protrusion plays slip-off preventing effect to rubber tube inner wall.
Another technical problem to be solved by this invention is, provides that a kind of manufacturing procedure is simple, the engine oil inlet pipe joint processing method of sebific duct firm and reliable connection.
For solving the problems of the technologies described above, the present invention includes following steps:
A, go out sleeve pipe blank by cold moudling, then by numerically controlled lathe, fine finishining is carried out to internal surface of sleeve pipe and obtain latch;
B, sleeve pipe is nested into bamboo joint type tube connector one end outer wall, external nut is inserted in outside the bamboo joint type tube connector other end; Second bulge loop outer wall of external connected nut is withheld, and makes the second bulge loop be embedded in the second annular groove; First bulge loop outer wall of sleeve pipe is withheld, makes the first bulge loop be embedded in first ring connected in star;
C, sebific duct is inserted into the space of internal surface of sleeve pipe and bamboo joint type tube connector outer wall;
D, sleeve outer wall to be withheld, make the latch of internal surface of sleeve pipe be embedded into sebific duct outer wall, and the annular protrusion of bamboo joint type tube connector outer wall is embedded into rubber tube inner wall;
E, taking-up engine oil inlet pipe joint finished product.
Preferred as one, in described step c, the intermediate layer of sebific duct is wound with ground floor steel wire and second layer steel wire, and ground floor steel wire and second layer steel wire are all in circular helix, and ground floor steel wire is left-hand screw line, and second layer steel wire is right-hand helix.
After adopting above engine oil inlet pipe joint processing method, the present invention compared with prior art, have the following advantages: owing to only needing to cut internal surface of sleeve pipe, so the wall thickness of sleeve pipe just can be reduced in the process of cold moudling, so reduce numerically controlled lathe time lathe tool to the chipping allowance of internal surface of sleeve pipe; In addition, be embedded into first ring connected in star by the first bulge loop, the second bulge loop is embedded into being rigidly connected of the second annular groove, sleeve pipe and outer connected nut are not easily come off from bamboo joint type tube connector, and withhold in the process of sleeve outer wall, latch is made to be embedded into sebific duct outer wall, and then improve the sealing of sebific duct outer wall and internal surface of sleeve pipe, the inner and outer wall of such sebific duct all receives constraint and sealing.
Accompanying drawing explanation
Fig. 1 is the part drawing of engine oil inlet pipe joint in prior art.
Fig. 2 is the part drawing of engine oil inlet pipe joint of the present invention.
Wherein:
Detailed description of the invention
Below in conjunction with detailed description of the invention, the present invention is described in more detail.
Detailed description of the invention:
A kind of engine oil inlet pipe joint, the bamboo joint type tube connector 3 that it is connected with sebific duct 1, sleeve pipe 5, clamp nut 2 and outer connected nut, described clamp nut 4 is one-body molded with bamboo joint type tube connector 3; Outer connected nut 2 is linked in bamboo joint type tube connector 3 one end, and sleeve pipe 5 is linked in outside bamboo joint type tube connector 3 other end; Sebific duct 1 is between bamboo joint type tube connector 3 outer wall and sleeve pipe 5 inwall, and bamboo joint type tube connector 3 outer wall is provided with the annular protrusion 6 of multiple embedding sebific duct 1 inwall, and sleeve pipe 5 inwall is provided with the latch 7 of multiple embedding sebific duct 1 outer wall.
Described bamboo joint type tube connector 3 outer wall is provided with first ring connected in star 8 and the second annular groove 9, and sleeve pipe 5 one end is provided with the first bulge loop 10 embedding first ring connected in star 8, and outer connected nut 2 one end is provided with the second bulge loop 11 of embedding second annular groove 9.
A processing method for engine oil inlet pipe joint, it comprises the following steps:
A, go out sleeve pipe blank by cold moudling, then by numerically controlled lathe, fine finishining is carried out to sleeve pipe 5 inwall and obtain latch 7;
B, sleeve pipe 5 is nested into bamboo joint type tube connector 3 one end outer wall, outer connected nut 2 is inserted in outside bamboo joint type tube connector 3 other end; Second bulge loop 11 outer wall of external connected nut 2 is withheld, and makes the second bulge loop 11 be embedded in the second annular groove 9; First bulge loop 10 outer wall of sleeve pipe 5 is withheld, makes the first bulge loop 10 be embedded in first ring connected in star 8;
C, sebific duct 1 is inserted into the space of sleeve pipe 5 inwall and bamboo joint type tube connector 3 outer wall;
D, sleeve pipe 5 outer wall to be withheld, make the latch 7 of sleeve pipe 5 inwall be embedded into sebific duct 1 outer wall, and the annular protrusion 6 of bamboo joint type tube connector 3 outer wall is embedded into sebific duct 1 inwall; Described withholding refers to by pressurizing unit, makes sleeve pipe 5 periphery wall be subject to uniform radial forces, and then makes sleeve pipe 5 be subject to position adduction, the diameter reduction of active force, thus drives the overall internal diameter of sleeve pipe 5 to reduce;
E, taking-up engine oil inlet pipe joint finished product.
In described step c, the intermediate layer of sebific duct 1 is wound with ground floor steel wire and second layer steel wire, and ground floor steel wire and second layer steel wire are all in circular helix, and ground floor steel wire is left-hand screw line, and second layer steel wire is right-hand helix.Sebific duct is in the past intermediate layer is made by fiber, so bearing capacity and security performance all can not obtain enough guarantees, so arrange the bearing capacity that can improve sebific duct 1 entirety by ground floor steel wire and second layer steel wire, namely sebific duct 1 can transmit some hydraulic oils; Also the security that sebific duct 1 transmits fluid can be improved, i.e. sebific duct 1 not easily explosion.
In said structure and method, the concept of bamboo joint type tube connector 3 is exactly that the outer wall of an annulus is provided with some annular protrusions and annular groove, and these annular protrusions and annular groove seem similar to the contact place of bamboo, so be referred to as bamboo joint type tube connector.

Claims (4)

1. an engine oil inlet pipe joint, it comprises the bamboo joint type tube connector (3), sleeve pipe (5), clamp nut (2) and the outer connected nut (2) that are connected with sebific duct (1), it is characterized in that: described clamp nut (4) is one-body molded with bamboo joint type tube connector (3); Outer connected nut (2) is linked in bamboo joint type tube connector (3) one end, and sleeve pipe (5) is linked in outside bamboo joint type tube connector (3) other end; Sebific duct (1) is positioned between bamboo joint type tube connector (3) outer wall and sleeve pipe (5) inwall, bamboo joint type tube connector (3) outer wall is provided with the annular protrusion (6) of multiple embedding sebific duct (1) inwall, and sleeve pipe (5) inwall is provided with the latch (7) of multiple embedding sebific duct (1) outer wall.
2. engine oil inlet pipe joint according to claim 1, it is characterized in that: described bamboo joint type tube connector (3) outer wall is provided with first ring connected in star (8) and the second annular groove (9), sleeve pipe (5) one end is provided with the first bulge loop (10) embedding first ring connected in star (8), and outer connected nut (2) one end is provided with second bulge loop (11) of embedding second annular groove (9).
3. a processing method for engine oil inlet pipe joint, is characterized in that: it comprises the following steps:
A, go out sleeve pipe blank by cold moudling, then by numerically controlled lathe, fine finishining is carried out to sleeve pipe (5) inwall and obtain latch (7);
B, sleeve pipe (5) is nested into bamboo joint type tube connector (3) one end outer wall, outer connected nut (2) is inserted in outside bamboo joint type tube connector (3) other end; Second bulge loop (11) outer wall of external connected nut (2) is withheld, and makes the second bulge loop (11) be embedded in the second annular groove (9); First bulge loop (10) outer wall of sleeve pipe (5) is withheld, makes the first bulge loop (10) be embedded in first ring connected in star (8);
C, sebific duct (1) is inserted into the space of sleeve pipe (5) inwall and bamboo joint type tube connector (3) outer wall;
D, sleeve pipe (5) outer wall to be withheld, make the latch (7) of sleeve pipe (5) inwall be embedded into sebific duct (1) outer wall, and the annular protrusion (6) of bamboo joint type tube connector (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 characterized in that: in described step c, the intermediate layer of sebific duct (1) is wound with ground floor steel wire and second layer steel wire, ground floor steel wire and second layer steel wire are all in circular helix, ground floor steel wire is left-hand screw line, and second layer steel wire is right-hand helix.
CN201410698837.8A 2014-11-27 2014-11-27 Engine oil inlet pipe joint and machining method thereof Active CN104564455B (en)

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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

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Application Number Priority Date Filing Date Title
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CN104564455B CN104564455B (en) 2017-05-24

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105834701A (en) * 2016-06-15 2016-08-10 芜湖金源机械制造有限公司 Machining method of engine water branch connecting pipe
CN106764143A (en) * 2016-12-05 2017-05-31 新黎明科技股份有限公司 Anti-explosion movable joint and its attaching nut's installation method

Citations (5)

* Cited by examiner, † Cited by third party
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
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
CN203614947U (en) * 2013-12-25 2014-05-28 宁波泰尔汽车部件有限公司 Engine joint 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

Patent Citations (5)

* Cited by examiner, † Cited by third party
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
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
CN203614947U (en) * 2013-12-25 2014-05-28 宁波泰尔汽车部件有限公司 Engine joint 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

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105834701A (en) * 2016-06-15 2016-08-10 芜湖金源机械制造有限公司 Machining method of engine water branch connecting pipe
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
CN106764143A (en) * 2016-12-05 2017-05-31 新黎明科技股份有限公司 Anti-explosion movable joint and its attaching nut's installation method
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

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