CN107101056A - Crankcase snap joint - Google Patents
Crankcase snap joint Download PDFInfo
- Publication number
- CN107101056A CN107101056A CN201710362722.5A CN201710362722A CN107101056A CN 107101056 A CN107101056 A CN 107101056A CN 201710362722 A CN201710362722 A CN 201710362722A CN 107101056 A CN107101056 A CN 107101056A
- Authority
- CN
- China
- Prior art keywords
- locking section
- hole
- crankcase
- convex
- snap joint
- 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.)
- Granted
Links
Classifications
-
- 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
- F16L21/00—Joints with sleeve or socket
- F16L21/08—Joints with sleeve or socket with additional locking means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
- F01M13/00—Crankcase ventilating or breathing
-
- 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
- F16L21/00—Joints with sleeve or socket
- F16L21/02—Joints with sleeve or socket with elastic sealing rings between pipe and sleeve or between pipe and socket, e.g. with rolling or other prefabricated profiled rings
- F16L21/035—Joints with sleeve or socket with elastic sealing rings between pipe and sleeve or between pipe and socket, e.g. with rolling or other prefabricated profiled rings placed around the spigot end before connection
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
- F01M13/00—Crankcase ventilating or breathing
- F01M2013/0038—Layout of crankcase breathing systems
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Quick-Acting Or Multi-Walled Pipe Joints (AREA)
Abstract
The invention discloses a kind of crankcase snap joint, including convex plug (1) and fittings body (2), convex disk (11) is provided with the convex plug (1), lock device is provided with the fittings body (2), the lock device includes the first locking section (31) and the second locking section (32), through hole formation second step face (42) that the outside of second locking section (32) and the first locking section (31) is formed in First terrace (41), two locking sections；Provided with two fixture blocks (33) in second locking section (32).Lock device in the present invention is mutually abutted with the correspondence position of convex disk and fittings body respectively by the first locking section, the second locking section and fixture block, form a stable fixed connection structure, external force can not disassemble attachment structure, it ensure that the use integrality of Pcv system, it is simple in construction, install stable, reduce cost, it is applied widely.
Description
Technical field
The present invention relates to automobile manufacturing field, more particularly to a kind of crankcase snap joint.
Background technology
Fast assembling-disassembling can be achieved in the snap joint of existing structure, but after the standard of automobile industry state six is performed, if vapour
Car has used crankcase ventilation (PCV) system, and manufacturing enterprise needs to monitor Pcv system on-line, it is ensured that system it is complete
Property, and this crosses range request, for the joint of fast demountable, is extremely difficult to require, i.e. existing snap joint without
Method meets the requirement for the non-dismountable or difficult dismounting being connected to crankcase (PCV) air pipeline assembly with crankcase.
The content of the invention
It can stablize the technical problem to be solved in the present invention is to provide one kind and install, and can ensure that Pcv system integrality
Crankcase snap joint.
Technical scheme is as follows：
A kind of crankcase snap joint, including convex plug and fittings body, convex disk is provided with the convex plug, is connect described
Head is provided with step through-hole, the step through-hole is provided with lock device in vivo, and the lock device includes the first locking section and the second lock
It is provided with only section, the first locking section in first through hole, the second locking section and is provided with the second through hole, in second through hole
Aperture at be provided with flange, the external diameter of second locking section is more than the first locking section and forms First terrace, and described second leads to
The internal diameter in hole is more than first through hole and forms second step face, and the corresponding step of step through-hole is connected in the First terrace
On face；Provided with two openings in second locking section, a fixture block is respectively provided with two openings, each card
One end of block is outwards emerged the lateral surface formation boss face of the second locking section, and the other end extends inwardly into and the second locking of emerging
The internal chamber wall of section；The convex plug stretches into lock device, and one end of the convex disk is connected on second step face, the other end and fixture block
The end face of inserting end is abutted, and the fixture block boss face of one end of outwards emerging is abutted with the madial wall of flange, so that convex plug is fixed
On fittings body.
Using above structure, the first locking section and the second locking section are arranged in the step through-hole of fittings body, two lockings
The First terrace that section lateral wall is formed is abutted with the corresponding step surface in step through-hole, and male contact is stretched into after lock device, convex
One end of disk is abutted with second step face, and the other end of convex disk is then abutted with the inserting end of projection, and the portion that projection is outwards emerged
Point boss face formed with the second locking section outer wall is then abutted with the madial wall of flange, so, in supporting for projection and flange
Connect under effect, lock device can not be extracted out outwards, meanwhile, convex disk is under the spacing withstanding effect in projection and second step face, also not
It can stretch into or extract out, male contact is just fixed in lock device, that is, be fixed in fittings body；Due to correspondence lock device on fittings body
Position, except step through-hole position does not set remaining to be open or disassemble position, projection will not be acted on and become by external force
Morpheme is moved, therefore the male contact abutted against with projection will not also loosen easily, and male contact was used after insertion is fixed in vehicle
Cheng Zhong, can guarantee that the integrality of PCV (crankcase ventilation) system, can meet the requirement of the standard of automobile industry state six, such as to change,
Then projection can only be prized by professional tool, it is simple in construction to aid in pulling down male contact and lock device, install stable, support
Connect fixed position to be hardly damaged, service life is long, applied widely.
For the ease of being mounted, preferably, being provided with the 3rd step on the step surface of the big nose end of the step through-hole
Face, the First terrace is abutted with the 3rd step surface.
In order to during male contact or lock device is changed using instrument, reach labour-saving purpose, preferably, described
Angle between the center line and lock device central axis of fixture block is 25 °.
In order to prevent lock device in fittings body stress and occur play, influence connection stability, preferably, in institute
The non-openend positional symmetry in the second locking section is stated provided with two planar ends, the correspondence position of the fittings body inwall is adapted
Ground is provided with planar ends.
In order to further improve the stability that Pcv system is used, preferably, in first through hole bottom corresponding joints
Provided with a circle groove at the inner wall position of body, sealing ring is embedded with the groove, the sealing ring is stretched with the first locking section
Enter end face to abut.
In order to avoid projection is interfered when being prized, to ensure that projection can be moved swimmingly, preferably, described convex
The junction of disk and male contact, and the outer of convex disk is fillet structure.
For the ease of production, preferably, first locking section, the second locking section and fixture block are integrated injection molding.
Beneficial effect：Lock device in the present invention by the first locking section, the second locking section and fixture block respectively with convex disk and
The correspondence position of fittings body is mutually abutted, and forms a stable fixed connection structure, and external force can not disassemble attachment structure, it is ensured that
The use integrality of Pcv system, it is simple in construction, install stable, reduce cost, it is applied widely.
Brief description of the drawings
Fig. 1 is mounting structure schematic diagram of the invention.
Fig. 2 is the structural representation of lock device.
Fig. 3 disassembles flow chart for the present invention's.
Embodiment
The invention will be further described below in conjunction with the accompanying drawings.
As shown in Figure 1, Figure 2 and Figure 3, the present invention is made up of convex plug 1 and fittings body 2 etc., and the convex plug 1 is provided with convex
Disk 11, the junction of the convex disk 11 and male contact 1, and the outer of convex disk 11 is fillet structure；In the fittings body 2
Provided with step through-hole, lock device is provided with the step through-hole, the lock device includes the first locking section of injection moulding integrated molding
31st, first through hole 311 is provided with the second locking section 32 and projection 33, the first locking section 31, at the bottom of first through hole 311
Provided with a circle groove at the inner wall position of portion's corresponding joints body 2, sealing ring 5 is embedded with the groove, the sealing ring 5 and the
The inserting end end face of one locking section 31 is abutted.
The second through hole 321 is provided with the second locking section 32, flange is provided with the aperture of second through hole 321
322, the external diameter of second locking section 32 is more than the first locking section 31 and forms First terrace 41, second through hole 321
Internal diameter is more than first through hole 311 and forms second step face 42, and the 3rd is provided with the step surface of the big nose end of the step through-hole
Step surface 43, the First terrace 41 is abutted with the 3rd step surface 43.
Provided with two openings in second locking section 32, a fixture block 33 is respectively provided with two openings, often
One end of the individual fixture block 33 outwards emerge the second locking section 32 lateral surface formation boss face, the other end extend inwardly into and
The internal chamber wall for the second locking section 32 of emerging, the angle between the center line and lock device central axis of the fixture block 33 is 25 °；
Non- openend positional symmetry in the second locking section 32 is provided with two planar ends, the correspondence position of the inwall of fittings body 2
It is provided with planar ends with being adapted.
The convex plug 1 stretches into lock device, and one end of the convex disk 11 is connected on second step face 42, the other end and card
The end face of the inserting end of block 33 is abutted, and the boss face of the outside one end of emerging of the fixture block 33 is abutted with the madial wall of flange 322, so that positive
Plug 1 is fixed on fittings body 2.
The application method of the present invention is as follows：
As shown in Fig. 1 to Fig. 3, lock device is located in the step through-hole put in fittings body 2, male contact 1 is fed through second
Through hole 321 and first through hole 311, and extend into fittings body 2, the first locking section 31 and the second locking section 32 are arranged on fittings body
In 2 step through-hole, First terrace 41 and the 3rd step surface 43 in step through-hole that two locking section lateral walls are formed
Abut, male contact 1 stretched into after lock device, one end of convex disk 11 is abutted with second step face 42, the other end of convex disk 11 then with it is convex
The inserting end of block 33 is abutted, and the boss face that the part that projection 33 is outwards emerged is formed with the second locking 32 outer walls of section then with
The madial wall of flange 322 is abutted, so, and under the withstanding effect of projection 33 and flange 322, lock device can not be extracted out outwards, together
When, convex disk 11 can not be stretched into or extracted out under the spacing withstanding effect in projection 33 and second step face 42, and male contact 1 is just solid
It is scheduled in lock device, that is, is fixed in fittings body 2；Due to the position of correspondence lock device on fittings body 2, except step through-hole position
Do not set remaining to be open or disassemble position, projection 33 will not by external force effect deformation displacement, therefore with the phase of projection 33
The male contact 1 of abutting will not also loosen easily, and male contact 1 during vehicle use, can guarantee that PCV after insertion is fixed
The integrality of (crankcase ventilation) system, can meet the requirement of the standard of automobile industry state six.
Male contact is such as changed, is illustrated by a, b, c in Fig. 3, with professional tool (not indicating) while prizing the convex of both sides
Block 33, makes the inserting end of projection 33 rotate counterclockwise, convex because the root and outer position of convex disk 11 are designed with fillet structure
Block 33, when the inserting end of projection 33 leaves convex disk 11, will not be pulled out sun and connect when rotating by too big interference drag
First 1, when the convex edge of disk 11 abuts to projection 33, professional tool is taken out, male contact 1 is extracted out；Take out after male contact 1, it is convex
Block 33 is rotated clockwise, and is restPosed (as shown in the d in Fig. 3).
Lock device is such as changed, as shown in the c figures in Fig. 3, on the premise of no male contact 1, with professional tool simultaneously
Prize the projection 33 of both sides, the rotate counterclockwise of projection 33, and rotate between the locking of projection 33 and second section 32 what is formed always
Boss face leaves the flange 322 of abutting, pulls out lock device, the lateral wall of projection 33 is connected on flange 322, now,
The second locking section 32 in lock device is no longer spacing by abutting, and extraction of taking advantage of a situation can complete to split out.
It is simple in construction, install stable, abut fixed position and be hardly damaged, service life is long, applied widely.
The undescribed part of the invention is identical with the prior art, and therefore not to repeat here.
Embodiments of the present invention are these are only, are not intended to limit the scope of the invention, it is every to utilize the present invention
The equivalent structure that specification and accompanying drawing content are made, is directly or indirectly used in other related technical fields, similarly at this
Within the scope of patent protection of invention.
Claims (7)
1. a kind of crankcase snap joint, including convex plug (1) and fittings body (2), it is characterised in that：In the convex plug (1)
Convex disk (11) is provided with, is provided with the fittings body (2) in step through-hole, the step through-hole and is provided with lock device, the lock
Only device includes being provided with first through hole (311) in the first locking section (31) and the second locking section (32), the first locking section (31),
The second through hole (321) is provided with the second locking section (32), flange is provided with the aperture of second through hole (321)
(322), the external diameter of second locking section (32) is more than the first locking section (31) and forms First terrace (41), and described second leads to
The internal diameter in hole (321) is more than first through hole (311) and forms second step face (42), is connected in the First terrace (41)
On the corresponding step surface of step through-hole；It is each at two openings provided with two openings in second locking section (32)
Provided with a fixture block (33), outwards the emerge lateral surface of the second locking section (32) of one end of each fixture block (33) forms convex
Table top, the other end extend inwardly into and emerge the second locking section (32) internal chamber wall；The convex plug (1) stretches into lock device, institute
The one end for stating convex disk (11) is connected on second step face (42), and the other end is abutted with the end face of fixture block (33) inserting end, the card
The boss face of the outside one end of emerging of block (33) is abutted with the madial wall of flange (311), so that convex plug (1) is fixed on fittings body
(2) on.
2. crankcase snap joint according to claim 1, it is characterised in that：In the step of the big nose end of the step through-hole
Face is provided with the 3rd step surface (43), and the First terrace (41) abuts with the 3rd step surface (43).
3. crankcase snap joint according to claim 1, it is characterised in that：The center line and locking of the fixture block (33)
Angle between device central axis is 25 °.
4. crankcase snap joint according to claim 1, it is characterised in that：It is non-in second locking section (32)
Openend positional symmetry is provided with planar ends with being adapted provided with two planar ends, the correspondence position of fittings body (2) inwall.
5. crankcase snap joint according to claim 1, it is characterised in that：In the first through hole (311) bottom pair
Answer at the inner wall position of fittings body (2) provided with a circle groove, be embedded with sealing ring (5) in the groove, the sealing ring (5) with
The inserting end end face of first locking section (31) is abutted.
6. crankcase snap joint according to claim 1, it is characterised in that：The convex disk (11) and male contact (1)
Junction, and the outer of convex disk (11) is fillet structure.
7. crankcase snap joint according to claim 1, it is characterised in that：The first locking section (31), the second lock
Only section (32) and fixture block (33) are integrated injection molding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710362722.5A CN107101056B (en) | 2017-05-22 | 2017-05-22 | Quick connector for crank case |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710362722.5A CN107101056B (en) | 2017-05-22 | 2017-05-22 | Quick connector for crank case |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107101056A true CN107101056A (en) | 2017-08-29 |
| CN107101056B CN107101056B (en) | 2023-04-25 |
Family
ID=59670586
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710362722.5A Active CN107101056B (en) | 2017-05-22 | 2017-05-22 | Quick connector for crank case |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107101056B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108591654A (en) * | 2018-03-09 | 2018-09-28 | 重庆溯联汽车零部件有限公司 | Cooling line quick coupling |
| CN113028169A (en) * | 2021-04-20 | 2021-06-25 | 刘巧平 | Gas pipeline laid by town road transport network |
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|---|---|---|---|---|
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| DE3322202A1 (en) * | 1983-06-21 | 1984-01-12 | Helmut 7518 Bretten Hackel | Sealing, pipe-connecting, plug-in system |
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| CN201096247Y (en) * | 2007-10-12 | 2008-08-06 | 朱辉 | Fast connecting pipe adapter |
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| CN205078966U (en) * | 2015-09-21 | 2016-03-09 | 库博标准汽车配件（苏州）有限公司 | Vacuum brake pipe |
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| CN106090492A (en) * | 2016-07-26 | 2016-11-09 | 浙江工业大学 | L-shaped urea pipe quick joint for automobile |
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| CN206830999U (en) * | 2017-05-22 | 2018-01-02 | 重庆溯联汽车零部件有限公司 | A kind of crankcase snap joint |
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| CN205088679U (en) * | 2015-10-15 | 2016-03-16 | 刘建连 | Removable ground tackle |
| CN105221873A (en) * | 2015-10-22 | 2016-01-06 | 安徽江淮汽车股份有限公司 | A kind of pipe joint |
| CN106090492A (en) * | 2016-07-26 | 2016-11-09 | 浙江工业大学 | L-shaped urea pipe quick joint for automobile |
| CN106352183A (en) * | 2016-09-23 | 2017-01-25 | 浙江工业大学 | Clamping jaw type quick joint for pipelines |
| CN206830999U (en) * | 2017-05-22 | 2018-01-02 | 重庆溯联汽车零部件有限公司 | A kind of crankcase snap joint |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108591654A (en) * | 2018-03-09 | 2018-09-28 | 重庆溯联汽车零部件有限公司 | Cooling line quick coupling |
| CN108591654B (en) * | 2018-03-09 | 2023-09-19 | 重庆溯联汽车零部件有限公司 | Quick joint for cooling pipeline |
| CN113028169A (en) * | 2021-04-20 | 2021-06-25 | 刘巧平 | Gas pipeline laid by town road transport network |
| CN113028169B (en) * | 2021-04-20 | 2022-05-24 | 刘巧平 | Gas pipeline laid by town road transport network |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107101056B (en) | 2023-04-25 |
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