CN104373721B - Integrated spherical hydraulic hose metal joint structure and production process thereof - Google Patents
Integrated spherical hydraulic hose metal joint structure and production process thereof Download PDFInfo
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- CN104373721B CN104373721B CN201410447420.4A CN201410447420A CN104373721B CN 104373721 B CN104373721 B CN 104373721B CN 201410447420 A CN201410447420 A CN 201410447420A CN 104373721 B CN104373721 B CN 104373721B
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- connecting rod
- metal joint
- sleeve
- main body
- joint main
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L33/00—Arrangements for connecting hoses to rigid members; Rigid hose connectors, i.e. single members engaging both hoses
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21K—MAKING FORGED OR PRESSED METAL PRODUCTS, e.g. HORSE-SHOES, RIVETS, BOLTS OR WHEELS
- B21K1/00—Making machine elements
- B21K1/14—Making machine elements fittings
- B21K1/16—Making machine elements fittings parts of pipe or hose couplings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L41/00—Branching pipes; Joining pipes to walls
- F16L41/02—Branch units, e.g. made in one piece, welded, riveted
- F16L41/021—T- or cross-pieces
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Joints Allowing Movement (AREA)
Abstract
The invention provides an integrated spherical hydraulic hose metal joint structure and a production process thereof. The integrated spherical hydraulic hose metal joint structure is characterized in that a metal connector body (1), a spherical connector (3), a tee structure through hole (4), a hollow liner core pipe (5), a liner core connection pipe (6) and a connection rod (8) are integrated. The integrated spherical hydraulic hose metal joint structure can be produced in a mass mode through the production process and a cold header, the integrated spherical hydraulic hose metal joint structure and the production process thereof can save more than 60% of raw materials and a large amount of electric energy compared with a traditional method, and the material finished product ratio through the manufacturing method can reach 99%.
Description
Technical field
The present invention relates to machining technology field, it is adaptable to the various metal joints of the relevant oblate spheroid type shape of hydraulic hose
Mechanical cold-heading processing technique, specifically a kind of ball-type integral hydraulic flexible pipe metal joint structure and its production work
Skill.
Background technology
Such as Fig. 1-a, Fig. 1-b, the ball-type flexible pipe metal joint, is to be now widely used for automobile, motorcycle, electric motor car etc.
Main union piece in hydraulic brake line system.
This oblate spheroid form joint metal part, existing manufacture structure are that whole part is made up of two parts, are first manufactured
What a as Fig. 2-a joint part, after processing, by the lining core part of such as Fig. 2-b or Fig. 2-c with interference method press-in as figure
In the hole of the joint part of 2-a, then there is two ways to carry out sealing manufacturing procedure：A kind of mode is if Fig. 3-a are by mistake
It is full of after being pressed into and is stamped and formed out the sealing structure form of interference again for the second time；After another mode is the press-in such as Fig. 3-b
Carry out the version of sealed with brazing.
The processing mode of existing ball-type flexible pipe metal joint has two kinds：
First, machine completely.It is machined out by circular steel, as depicted in fig. 4-a.
2nd, material therefor is carried out cold-heading or impact style is fabricated to cylinder ball adding by half cold-heading or impact style processing
The shape of type, such as Fig. 4-b, then carry out lathe process and milling machine processing again.
Both processing methods, due to reasons such as tolerances, make this part that above two production is combined into all exist
Infiltration or the risk for coming off.
The content of the invention
It is an object of the invention to provide a kind of ball-type integral hydraulic flexible pipe metal joint structure and its production technology.
The technical scheme is that：
The present invention provides the multiplexing of a kind of ball-type integral hydraulic flexible pipe metal joint structure and the joint metal part
Position cold-heading deforms the patent of invention of production technology.
Its shape facility：It is an one-piece parts.It is an overall shape that product design is bulb, connection bar portion and lining core
Shape, adds sleeve and becomes a whole part product.
Its technique is：The deforming step and deformation size that multiple appropriate design is carried out using multistage cold former reaches finally
The product of target.
Including the complete innovative technology of the technique productions such as cold-heading oblate spheroid, pultrusion circular hole, multiple connecting rod part making.
A kind of ball-type integral hydraulic flexible pipe metal joint structure, including metal joint main body 1 and sleeve 2, metal joint
Main body 1 includes the globe joint 3, three-port structure through hole 4,5 lining core connecting tube 6 of hollow liner core pipe and connecting rod 8, connection
8 one end of bar is globe joint 3, and 8 other end branch sleeve 2 of connecting rod is that hollow liner core pipe 5 and lining core connect inside connecting rod 8
Adapter 6, wherein lining core connecting tube 6 are stretched into inside sleeve 2；The metal joint main body 1, globe joint 3, three-port structure through hole
4th, 5 lining core connecting tube 6 of hollow liner core pipe and connecting rod 8 are an overall structure.
The connecting rod 8 has 3 kinds of diameters, and less than 8 maximum gauge of connecting rod is the first minor diameter connecting rod 12, than the
What one minor diameter connecting rod, 12 diameter was little is the second minor diameter connecting rod 13, and sleeve 2 is set in the first minor diameter connecting rod 12.
The bent angle alpha of the globe joint 3 is arbitrarily angled between 5～90 °.
The metal joint main body 1 and sleeve 2 pass through riveting or sealed with brazing connects.
The present invention also provides a kind of production technology of ball-type integral hydraulic flexible pipe metal joint structure, including following step
Suddenly：
Produced using multistage cold former：Raw material is the round steel biscuit for setting size；
Step 1, raw material blanking is completed by cold headers self-feeding and shut-off mechanism；
Step 2, material is delivered to into the first station of cold headers by mechanical transfer clamp, carry out shaping cold-extruded；
Step 3, part is transferred to into the second station by mechanical transfer clamp, carries out extrded material and preliminarily form the coronal head of circle
Portion 7 and the shape of connecting rod 8, the end of connecting rod 8 squeeze out V-shape hole 9；
Step 4, part is transferred to into cold headers 3rd station by mechanical transfer clamp, described in second pressing steps 3
The coronal head 7 of circle enters and flat ball head 10 is formed in die cavity, and further deepens the V-shape hole 9 described in step 3；
Step 5, part is delivered to into the 4th station by mechanical transfer clamp, the connecting rod 8 described in pultrusion step 3, in step 3
Described connecting rod 8 is internally formed lining core cylindrical hole 11；
Step 6, part is delivered to into the 5th station by mechanical transfer clamp, the connecting rod 8 described in step 5 is carried out for the first time
Bar is stretched, and forms the first minor diameter contracting bar 12；
Step 7, part is delivered to into the 6th station by mechanical transfer clamp, second connecting rod stretching is carried out to connecting rod 8,
Form the second minor diameter contracting bar 13；
Step 8, part is spread out of into Cold header by mechanical transfer clamp；
Step 9, mechanical punching insertion processing is carried out to flat ball head 10, form three-port structure through hole 4；
Step 10, assembling：Metal joint main body 1 and sleeve 2 are assembled；
Step 11, metal joint main body 1 and sleeve 2 are fixed：
Step 12, carry out required for metal joint main body 1 and sleeve 2 between bent angle write music the processing of α, complete product life
Produce.
Metal joint main body 1 and sleeve 2 are passed through riveting fixed form by the step 11.
Metal joint main body 1 and sleeve 2 are passed through soldering fixed form by the step 11：By metal joint main body 1 and set
Cylinder 2 is assembled, and is added annular soldering circle, is carried out Welding.
The bent angle alpha of the globe joint 3 is arbitrarily angled between 5～90 °.
The invention has the beneficial effects as follows：
1st, the safety of the part of a kind of ball-type integral hydraulic flexible pipe metal joint structure of the invention and its production technology
Property obtains 100% guarantee.
2nd, a kind of ball-type integral hydraulic flexible pipe metal joint structure and its production technology of the invention can using cold headers
At full speed produce in enormous quantities.
3rd, a kind of ball-type integral hydraulic flexible pipe metal joint structure of the invention and its production technology are than traditional method section
Save more than 60% raw material and a large amount of electric energy.The manufacture method of patent of the present invention can reach finished material ratio for 99%.
4th, a kind of ball-type integral hydraulic flexible pipe metal joint structure of the invention and its production technology parts size precision
Greatly improve with material property.Especially the R ball flat sealed face parallelism precisions of the part are greatly improved.
5th, a kind of ball-type integral hydraulic flexible pipe metal joint structure of the invention and its production technology are by original production
The risk of the presumable seepage of part is completely eliminated.
6th, a kind of ball-type integral hydraulic flexible pipe metal joint structure and its production technology of the invention make production and processing
Speed is faster higher with precision, makes the part of this structure more perfect in production and use.
Description of the drawings
Fig. 1-a are the cross section structure diagrams of the spherical flexible pipe metal structure of prior art.
Fig. 1-b are the side structure schematic diagrams of the spherical flexible pipe metal structure of prior art.
Fig. 2-a are the structural representations of the joint part of prior art.
Fig. 2-b are the structural representations of the first lining core part of prior art.
Fig. 2-c are the structural representations of second lining core part of prior art.
Fig. 3-a are the structural representations that the joint part of prior art is connected with the first lining core part interference fit seal
Figure.
Fig. 3-b are the structural representations that the joint part of prior art and second lining core part sealed with brazing are connected.
Fig. 4-a are that prior art carries out the mach schematic diagram of joint part by circular steel.
Fig. 4-b are that being processed by half cold-heading or impact style for prior art carries out the mach schematic diagram of joint part.
Fig. 5 is the ball-type integral hydraulic flexible pipe metal joint structural representation of the present invention.
Fig. 6-1 is the structural representation of the metal joint main body of the cold-heading processing of the present invention.
Fig. 6-2 is the structural representation of the sleeve of the cold-heading processing of the present invention.
Fig. 6-3 is that the metal joint main body of the cold-heading processing of the present invention is pressed with sleeve the structural representation being connected.
Fig. 6-4 is the structural representation of the metal joint main body with sleeve low temperature brazing of the cold-heading processing of the present invention.
Fig. 7-0 is the structural representation of the raw material of the production technology of embodiments of the invention.
The structural representation of the step of Fig. 7-1 is the production technology of embodiments of the invention 1.
The structural representation of the step of Fig. 7-2 is the production technology of embodiments of the invention 2.
The structural representation of the step of Fig. 7-3 is the production technology of embodiments of the invention 3.
The structural representation of the step of Fig. 7-4 is the production technology of embodiments of the invention 4.
The structural representation of the step of Fig. 7-5 is the production technology of embodiments of the invention 5.
The structural representation of the step of Fig. 7-6 is the production technology of embodiments of the invention 6.
The structural representation of the step of Fig. 7-7 is the production technology of embodiments of the invention 7.
The structural representation of the step of Fig. 7-8 is the production technology of embodiments of the invention 9.
The structural representation of the step of Fig. 7-9 is the production technology of embodiments of the invention 10.
The structural representation that the riveting of the step of Fig. 7-10a are the production technologies of embodiments of the invention 11 is fixed.
The structural representation that the soldering of the step of Fig. 7-10b are the production technologies of embodiments of the invention 11 is fixed.
Fig. 7-11 is that the structure of the globe joint angle of bend of the final finished of the production technology of embodiments of the invention is shown
It is intended to.
In figure：1 is metal joint main body, 2 is sleeve, 3 is globe joint, 4 is three-port structure, 5 is hollow liner core pipe,
6 be lining core connecting tube, 7 for the coronal head of circle, 8 be connecting rod, 9 be V-shape hole, 10 be flat ball head, 11 be lining core cylindrical hole,
12 is the first minor diameter connecting rod, 13 is the second minor diameter connecting rod, 14 is oblate spheroid shape circular hole.
Specific embodiment
The invention will be further described below in conjunction with the accompanying drawings：
Such as Fig. 5-Fig. 7-11, a kind of ball-type integral hydraulic flexible pipe metal joint structure, including metal joint main body 1 and set
Cylinder 2, metal joint main body 1 includes the globe joint 3, three-port structure through hole 4, hollow 5 lining core connecting tube of liner core pipe, 6 and
Connecting rod 8,8 one end of connecting rod are globe joint 3, and 8 other end branch sleeve 2 of connecting rod is hollow interior lining core inside connecting rod 8
Pipe 5 and lining core connecting tube 6, wherein lining core connecting tube 6 are stretched into inside sleeve 2；The metal joint main body 1, globe joint 3, three
Logical structure through hole 4,5 lining core connecting tube 6 of hollow liner core pipe and connecting rod 8 are an overall structure.
The connecting rod 8 has 3 kinds of diameters, and less than 8 maximum gauge of connecting rod is the first minor diameter connecting rod 12, than the
What one minor diameter connecting rod, 12 diameter was little is the second minor diameter connecting rod 13, and sleeve 2 is set in the first minor diameter connecting rod 12.
The bent angle alpha of the globe joint 3 is arbitrarily angled between 5～90 °.
The metal joint main body 1 and sleeve 2 pass through riveting or sealed with brazing connects.
The present invention also provides a kind of production technology of ball-type integral hydraulic flexible pipe metal joint structure, including following step
Suddenly：
Produced using multistage cold former：Raw material is the round steel biscuit for setting size；
Step 1, raw material blanking is completed by cold headers self-feeding and shut-off mechanism；
Step 2, material is delivered to into the first station of cold headers by mechanical transfer clamp, carry out shaping cold-extruded；
Step 3, part is transferred to into the second station by mechanical transfer clamp, carries out extrded material and preliminarily form the coronal head of circle
Portion 7 and the shape of connecting rod 8, the end of connecting rod 8 squeeze out V-shape hole 9；
Step 4, part is transferred to into cold headers 3rd station by mechanical transfer clamp, described in second pressing steps 3
The coronal head 7 of circle enters and flat ball head 10 is formed in die cavity, and further deepens the V-shape hole 9 described in step 3；
Step 5, part is delivered to into the 4th station by mechanical transfer clamp, the connecting rod 8 described in pultrusion step 3, in step 3
Described connecting rod 8 is internally formed lining core cylindrical hole 11；
Step 6, part is delivered to into the 5th station by mechanical transfer clamp, the connecting rod 8 described in step 5 is carried out for the first time
Bar is stretched, and forms the first minor diameter contracting bar 12；
Step 7, part is delivered to into the 6th station by mechanical transfer clamp, second connecting rod stretching is carried out to connecting rod 8,
Form the second minor diameter contracting bar 13；
Step 8, part is spread out of into Cold header by mechanical transfer clamp；
Step 9, mechanical punching insertion processing is carried out to flat ball head 10, form three-port structure through hole 4；
Step 10, assembling：Metal joint main body 1 and sleeve 2 are assembled；
Step 11, metal joint main body 1 and sleeve 2 are fixed：
Step 12, carry out required for metal joint main body 1 and sleeve 2 between bent angle write music the processing of α, complete product life
Produce.
Metal joint main body 1 and sleeve 2 are passed through riveting fixed form by the step 11.
Metal joint main body 1 and sleeve 2 are passed through soldering fixed form by the step 11：By metal joint main body 1 and set
Cylinder 2 is assembled, and is added annular soldering circle, is carried out Welding.
The bent angle alpha of the globe joint 3 is arbitrarily angled between 5～90 °.
Such as Fig. 5. the present invention provides a kind of ball-type integral hydraulic flexible pipe metal joint structure.
The metal joint main body 1 of part, such as Fig. 6-1 are completed using the production of cold-heading machining mode,
The sleeve 2 of part is produced using cold-heading machining mode, such as Fig. 6-2.
Then metal joint main body 1 and sleeve 2 are assembled, is pressed or soldered, make an entirety, schemed
6-3, Fig. 6-4.Fig. 6-3 is that the metal joint main body of the cold-heading processing of the present invention is pressed with sleeve the structural representation being connected.Figure
6-4 is the structural representation of the metal joint main body with sleeve low temperature brazing of the cold-heading processing of the present invention.Sleeve 2 is also to use cold-heading
Mode is manufactured.
The production process of part R is designed as：1st, blanking 2, shaping 3, first time upsetting top ball 4, second upsetting ball forming
5th, third time upsetting ball forming and circular hole 6, the 4th finishing ball and First Contact Connections bar 7, second connecting rod 8, upset are squeezed out
90 degree, cold-heading ball-type becomes the oblate spheroid shape 9 with circular hole, to the oblate part punching with circular hole.10th, assembling 11, riveting or
Soldering 12, electroplate into finished product.
The invention is characterized in that it is a global shape that product design is bulb, connection bar portion and lining core, add sleeve 2 and
Become a whole part product.The technique of its multiple cold-heading deformation is also to collect the propulsion and innovation of various deformation technology.
The present invention also provides a kind of production technology of ball-type integral hydraulic flexible pipe metal joint structure：
Produced using multistage cold former：Raw material is the round steel biscuit for setting size.
Step 1, the material blanking that Len req is completed by cold headers self-feeding and shut-off mechanism.
Step 2, material is delivered to into the first station of cold headers by mechanical transfer clamp, carry out shaping cold-extruded, reach material and set
Shape and size needed for meter.
Step 3, part is transferred to into the second station by mechanical transfer clamp, carries out extrded material and preliminarily form the coronal head of circle
Portion 7 and the shape of connecting rod 8, the end of connecting rod 8 squeeze out V-shape hole 9, reach the shape and size of design.
Step 4, part is transferred to into cold headers 3rd station by mechanical transfer clamp, described in second pressing steps 3
The coronal head 7 of circle enters and flat ball head 10 is formed in die cavity, and further deepens the V-shape hole 9 described in step 3；Reach design
Required shape and size.
Step 5, part is delivered to into the 4th station by mechanical transfer clamp, the connecting rod 8 described in pultrusion step 3, in step 3
Described connecting rod 8 is internally formed lining core cylindrical hole 11, makes part reach design shape and dimensional requirement.
Step 6, part is delivered to into the 5th station by mechanical transfer clamp, the connecting rod 8 described in step 5 is carried out for the first time
Bar is stretched, and forms the first minor diameter contracting bar 12, requires the shape and size that part reaches design.
Step 7, part is delivered to into the 6th station by mechanical transfer clamp, second connecting rod stretching is carried out to connecting rod 8,
The second minor diameter contracting bar 13 is formed, requires the shape and size that part reaches design.
Step 8, part is spread out of into Cold header by mechanical transfer clamp；
Step 9, mechanical punching insertion processing is carried out to flat ball head 10, form three-port structure through hole 4；
(step 8,9 can be processed with external miscellaneous equipment in cold headers).
Step 10, assembling：Metal joint main body 1 and sleeve 2 are assembled.
Step 11, can appoint and take a kind of fixed form：
Step 10-a, riveting fixed form.
After metal joint main body 1 and sleeve 2 are completed, carry out 200Kg rivetings and fix.As schemed：
Step 10-b, soldering fixed form.
Part A and B is assembled, annular soldering circle is added, is carried out Welding.
Step 12, the processing for carrying out required α angles, complete production.
Fig. 7-11 is that the structure of the globe joint angle of bend of the final finished of the production technology of embodiments of the invention is shown
It is intended to.α in figure is arbitrarily angled between 5～90 °.
Embodiment described above is only that the preferred embodiment of the present invention is described, not the structure to the present invention
Think and scope is defined, under the premise of without departing from design concept of the present invention, ordinary skill technical staff is to this in this area
Various modifications and improvement that bright technical scheme is made, all should fall into protection scope of the present invention, the skill that the present invention is claimed
Art content has all been recorded in detail in the claims.
Claims (1)
1. a kind of production technology of ball-type integral hydraulic flexible pipe metal joint structure, the ball-type integral hydraulic flexible pipe metal
Joint design, which includes metal joint main body（1）And sleeve（2）, metal joint main body（1）Including globe joint（3）, threeway knot
Structure through hole（4）, hollow liner core pipe（5）, lining core connecting tube（6）And connecting rod（8）, the globe joint（3）Angle of bend
Degree α is arbitrarily angled between 5 ~ 90 °；Connecting rod（8）One end is globe joint（3）, connecting rod（8）Other end branch sleeve
（2）, connecting rod（8）Internal is hollow liner core pipe（5）With lining core connecting tube（6）, wherein lining core connecting tube（6）Stretch into sleeve
（2）It is internal；The metal joint main body（1）, globe joint（3）, three-port structure through hole（4）, hollow liner core pipe（5）, lining
Core connecting tube（6）With connecting rod（8）For an overall structure；The connecting rod（8）With 3 kinds of diameters, compare connecting rod（8）It is maximum straight
What footpath was little is the first minor diameter connecting rod（12）, than the first minor diameter connecting rod（12）What diameter was little is the second minor diameter connecting rod
（13）, sleeve（2）It is set in the first minor diameter connecting rod（12）On；The metal joint main body（1）And sleeve（2）By riveting
Or sealed with brazing connection, it is characterized in that comprising the steps：
Produced using multistage cold former：Raw material is the round steel biscuit for setting size；
Step 1, raw material blanking is completed by cold headers self-feeding and shut-off mechanism；
Step 2, material is delivered to into the first station of cold headers by mechanical transfer clamp, carry out shaping cold-extruded；
Step 3, part is transferred to into the second station by mechanical transfer clamp, carries out extrded material and preliminarily form the coronal head of circle
（7）And connecting rod（8）Shape, connecting rod（8）End squeeze out V-shape hole（9）；
Step 4, part is transferred to into cold headers 3rd station by mechanical transfer clamp, the circle hat described in second pressing steps 3
Shape head（7）Flat ball head is formed in die cavity（10）, and further deepen the V-shape hole described in step 3（9）；
Step 5, part is delivered to into the 4th station, the connecting rod described in pultrusion step 3 by mechanical transfer clamp（8）, step 3 institute
The connecting rod stated（8）It is internally formed lining core cylindrical hole（11）；
Step 6, part is delivered to into the 5th station by mechanical transfer clamp, to the connecting rod described in step 5（8）Carry out first time bar
Stretching, forms the first minor diameter connecting rod（12）；
Step 7, part is delivered to into the 6th station by mechanical transfer clamp, to connecting rod（8）Carry out second connecting rod stretching, shape
Into the second minor diameter connecting rod（13）；
Step 8, part is spread out of into Cold header by mechanical transfer clamp；
Step 9, to flat ball head（10）Mechanical punching insertion processing is carried out, three-port structure through hole is formed（4）；
Step 10, assembling：By metal joint main body（1）And sleeve（2）Assembling；
Step 11, by metal joint main body（1）And sleeve（2）It is fixed：
Step 12, carry out required for metal joint main body（1）And sleeve（2）Between bent angle alpha processing, complete product life
Produce；
The step 11 is by metal joint main body（1）And sleeve（2）Fixed by riveting mode；Or the step 11 is by metal
Adapter body（1）And sleeve（2）Fixed by brazing mode：By metal joint main body（1）With sleeve（2）Assembling, adds annular
Soldering circle, carries out Welding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410447420.4A CN104373721B (en) | 2014-09-03 | 2014-09-03 | Integrated spherical hydraulic hose metal joint structure and production process thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410447420.4A CN104373721B (en) | 2014-09-03 | 2014-09-03 | Integrated spherical hydraulic hose metal joint structure and production process thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104373721A CN104373721A (en) | 2015-02-25 |
| CN104373721B true CN104373721B (en) | 2017-04-12 |
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| CN201410447420.4A Active CN104373721B (en) | 2014-09-03 | 2014-09-03 | Integrated spherical hydraulic hose metal joint structure and production process thereof |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106051352B (en) * | 2016-06-30 | 2017-12-26 | 河南光大管业有限公司 | A kind of processing technology of large-scale pressure pipeline reducing tee pipe fitting |
| CN109128278B (en) * | 2018-09-27 | 2020-05-26 | 江苏天毅冷镦股份有限公司 | Automatic head grooving mechanism for automobile ball joint |
| CN109202380A (en) * | 2018-09-30 | 2019-01-15 | 江苏天毅冷镦股份有限公司 | The whole cold upsetting production technique of automobile-used ball joint |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6058991U (en) * | 1983-09-29 | 1985-04-24 | 豊田合成株式会社 | hose fitting |
| JPH071073B2 (en) * | 1988-08-08 | 1995-01-11 | 三菱自動車工業株式会社 | Hose connection joint and manufacturing method thereof |
| CN200958671Y (en) * | 2006-06-27 | 2007-10-10 | 顾鹤林 | Metal joint of high-pressure resin plastic pipe |
| CN201496699U (en) * | 2009-09-21 | 2010-06-02 | 安徽江淮汽车股份有限公司 | Joint mechanism of heavy truck fuel supply system |
| CN102125943B (en) * | 2010-11-29 | 2013-08-14 | 宁波安拓实业有限公司 | Manufacturing process of hose coupling |
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| CN104373721A (en) | 2015-02-25 |
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