CN103899861A - Connecting joint - Google Patents
Connecting joint Download PDFInfo
- Publication number
- CN103899861A CN103899861A CN201410113649.4A CN201410113649A CN103899861A CN 103899861 A CN103899861 A CN 103899861A CN 201410113649 A CN201410113649 A CN 201410113649A CN 103899861 A CN103899861 A CN 103899861A
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- China
- Prior art keywords
- cavity
- link body
- jointing
- ring
- elongated portion
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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
- F16L37/00—Couplings of the quick-acting type
- F16L37/08—Couplings of the quick-acting type in which the connection between abutting or axially overlapping ends is maintained by locking members
- F16L37/12—Couplings of the quick-acting type in which the connection between abutting or axially overlapping ends is maintained by locking members using hooks, pawls or other movable or insertable locking members
- F16L37/14—Joints secured by inserting between mating surfaces an element, e.g. a piece of wire, a pin, a chain
- F16L37/142—Joints secured by inserting between mating surfaces an element, e.g. a piece of wire, a pin, a chain where the securing element is inserted tangentially
- F16L37/144—Joints secured by inserting between mating surfaces an element, e.g. a piece of wire, a pin, a chain where the securing element is inserted tangentially the securing element being U-shaped
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Quick-Acting Or Multi-Walled Pipe Joints (AREA)
Abstract
The invention belongs to the technical field of automobiles and discloses a connecting joint which comprises a connecting member body, a shackle and a docking portion. A first cavity is arranged inside the connecting member body, the docking portion is arranged at one end of the connecting member body, the first cavity is communicated with the inside of the docking portion, and the shackle is inserted into the first cavity along the radial direction of the connecting member body. By inserting the shackle into the first cavity along the radial direction of the connecting member body, the shackle and a boss on a male joint are enabled to be buckled, so that the male joint can be effectively fixed inside the connecting member body; the shackle and the connecting member body are enabled to be buckled, so that the shackle and the connecting member body can be firmly connected together, reliability in connection between the male joint and the connecting member body is further guaranteed, the circumstance that the male joint and the connecting joint are prone to disconnecting is avoided, leaking of inflammable substances like gasoline, diesel and lubricating oil in pipelines from the pipelines is avoided, and personal safety of personnel inside an automobile is guaranteed.
Description
Technical field
The present invention relates to automobile technical field, particularly a kind of jointing.
Background technique
Automobile oil-way refers to the oil-fired system of automobile, includes a lot of pipelines in automobile oil-way, and these device for cleaning pipelines are often communicated with by jointing and male connector.Wherein a pipeline is fixedly connected with male connector, and another root pipeline is fixedly connected with jointing, and male connector is plugged on jointing inside, and the boss arranging on male connector and jointing inside interlock.
Existing jointing generally includes link body, oval elastic ring and seal ring, and oval elastic ring and seal ring are arranged on link body interior in turn, and the two ends of oval elastic ring major axis extend outside through the sidewall of link body respectively.When use, staff presses the two ends of oval elastic ring major axis, make oval elastic ring level off to circle, male connector is inserted to link body interior, male connector is stretched in oval elastic ring and seal ring in turn, and make the boss on male connector pass oval elastic ring, pull the two ends of oval elastic ring major axis, oval elastic ring minor axis is shortened, until the boss on two ends and the male connector of oval elastic ring minor axis interlocks, thereby male connector is connected with jointing, same, by pressing the two ends of oval elastic ring major axis, make oval elastic ring level off to circle, until the two ends of oval elastic ring minor axis separate with the boss on male connector, now male connector can exit from jointing inside.
Realizing in process of the present invention, inventor finds that prior art at least exists following problem:
Prior art in use, because the two ends of oval elastic ring major axis are to be positioned at all the time link body exterior, in use very easily contact with the external world and be pressed, male connector is exited from jointing, cause the reliability that is connected between male connector and jointing very poor, in the time that being connected between male connector and jointing disconnects, can cause ducted gasoline, diesel oil, the lubricated inflammable material of wet goods to leak from pipeline, automotive interior personnel's personal safety is caused to serious threat.
Summary of the invention
Very easily contact with the external world and be pressed in order to solve oval elastic ring in prior art, the problem that male connector is exited from jointing, the embodiment of the present invention provides a kind of jointing.Described technological scheme is as follows:
A kind of jointing, be connected with male connector, described jointing comprises link body, snap close and end-to-end joint part, described link body interior is provided with the first cavity, described end-to-end joint part is arranged on one end of described link body, and described the first cavity and described end-to-end joint part internal communication, described snap close is along in described first cavity of radially insertion of described link body, when use, described male connector stretches into described the first cavity, described snap close respectively with described male connector on boss, described link body interlock.
Further, described snap close comprises a semicircular ring, two elongated portion and at least one the first back-off, two described elongated portion are connected with the two ends of described semicircular ring respectively, described at least one, the first back-off is arranged on described semicircular ring inner side, two described elongated portion and described the first back-off are all along in described first cavity of radially insertion of described link body, and described the first back-off for described male connector on boss interlock, two described elongated portion all interlock with described link body.
Further, described snap close also comprises two the second back-offs, two described the second back-offs are separately positioned in two described elongated portion, two described elongated portion all along described link body radially extend out to described link body exterior from described the first cavity, two described the second back-offs are all for interlocking with described link body.
Further, described jointing also comprises two protuberances and a limiting stopper, two described protuberances are separately positioned on the end of two described elongated portion, described limiting stopper is arranged on described link body, the width of described limiting stopper is greater than two distances between described protuberance, and the width of described limiting stopper is less than the external diameter of the boss on described male connector, described limiting stopper is used for limiting two described protuberances and stretches out from described the first cavity, when use, boss on described male connector is through two described elongated portion, make two distances between described protuberance be greater than the width of described limiting stopper, and two described protuberances extend out to described link body exterior along the both sides of described limiting stopper from described the first cavity respectively.
As preferably, described semicircular ring, two described elongated portion and described protuberance are as a whole by nylon material injection molding.
Further, described snap close also comprises two reinforced blockes, and two described reinforced blockes are separately positioned on the joint of two described elongated portion and described semicircular ring, and described reinforced block is for improving the intensity between each described elongated portion and described semicircular ring.
Further, described jointing also comprises two fixing lug boss, two described fixing lug boss are all arranged on described link body, and two described fixing lug boss respectively with the corresponding setting of two described the second back-offs, when use, each described the second back-off all interlocks with corresponding described fixing lug boss.
Further, described link body interior is also provided with the second cavity, described the second cavity is between described the first cavity and described end-to-end joint part, and described the first cavity, described the second cavity are communicated with in turn with inside, described end-to-end joint part, described the second inside cavity is provided with the first seal ring and the second seal ring, between described the first seal ring and described the second seal ring, is provided with gap.
Further, described jointing also comprises isolating ring, and described isolating ring is arranged in described the second cavity, and described isolating ring is between described the first seal ring and described the second seal ring.
Further, described jointing also comprises safety ring, and described safety ring is arranged in described the second cavity, and described safety ring is positioned at the side of described the first seal ring away from described isolating ring.
The beneficial effect that the technological scheme that the embodiment of the present invention provides is brought is:
The present invention passes through snap close along in radially insertion first cavity of link body, boss on snap close and male connector is interlocked, can effectively male connector be fixed on to link body interior, make snap close and link body interlock simultaneously, snap close and link body firmly can be linked together, thereby further ensure the reliability being connected between male connector and link body, avoid the situation about easily disconnecting that is connected between male connector and jointing, avoid ducted gasoline, diesel oil, the lubricated inflammable material of wet goods leaks from pipeline, ensure automotive interior personnel's personal safety.
Brief description of the drawings
In order to be illustrated more clearly in the technological scheme in the embodiment of the present invention, below the accompanying drawing of required use during embodiment is described is briefly described, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the jointing that provides of the embodiment of the present invention and the erection drawing of male connector;
Fig. 2 is the buckle structure schematic diagram that further embodiment of this invention provides;
Fig. 3 is the sectional view of B-B in Fig. 1 of providing of further embodiment of this invention;
Fig. 4 be further embodiment of this invention provide off working state time, the structural representation of snap close and link body;
Fig. 5 is the sectional view of A-A in Fig. 2 of providing of further embodiment of this invention;
Wherein,
1 male connector,
2 link bodies,
21 fixing lug boss,
22 limiting stoppers,
3 snap closes,
31 semicircular ring,
32 elongated portion,
33 first back-offs,
34 second back-offs,
35 protuberances,
36 reinforced blockes,
37 handles,
4 first seal rings,
5 end-to-end joint parts,
6 second seal rings,
7 isolating rings,
8 safety rings.
Embodiment
For making the object, technical solutions and advantages of the present invention clearer, below in conjunction with accompanying drawing, embodiment of the present invention is described further in detail.
As shown in Figure 1, the embodiment of the present invention provides a kind of jointing, be connected with male connector 1, jointing comprises link body 2, snap close 3 and end-to-end joint part 5, link body 2 inside are provided with the first cavity, end-to-end joint part 5 is arranged on one end of link body 2, and the first cavity and end-to-end joint part 5 internal communication, and snap close 3 is along in radially insertion first cavity of link body 2.When use, male connector 1 is inserted in the first cavity, make the boss on male connector 1 pass snap close 3, press snap close 3, snap close 3 and the boss on male connector 1 are interlocked, and snap close 3 and link body 2 are interlocked.
Wherein, on end-to-end joint part 5, be provided with back-off, can increase the frictional force between jointing and pipeline by back-off is set on end-to-end joint part 5, the reliability while connection between raising jointing and pipeline.
The present invention passes through snap close 3 along in radially insertion first cavity of link body 2, snap close 3 and the boss on male connector 1 are interlocked, can effectively male connector 1 be fixed on to link body 2 inside, make snap close 3 and link body 2 interlock simultaneously, snap close 3 and link body 2 firmly can be linked together, thereby further ensure the reliability being connected between male connector 1 and link body 2, avoid the situation about easily disconnecting that is connected between male connector 1 and jointing, avoid ducted gasoline, diesel oil, the lubricated inflammable material of wet goods leaks from pipeline, ensure automotive interior personnel's personal safety.
Further, as shown in Figure 2, the embodiment of the present invention provides a kind of jointing, wherein, snap close 3 comprises that a semicircular ring 31, two elongated portion 32 and 33, two elongated portion 32 of at least one the first back-off are connected with the two ends of semicircular ring 31 respectively, and at least one first back-off 33 is arranged on semicircular ring 31 inner sides, two elongated portion 32 and the first back-off 33 be all along in radially insertion first cavity of link body 2, and the first back-off 33 for male connector 1 on boss interlock.When use, first male connector 1 inserts between two elongated portion 32, make two elongated portion 32 lay respectively at the both sides of male connector 1, when the boss on male connector 1 is through after two elongated portion 32, press semicircular ring 31, the first back-off 33 of semicircular ring 31 inner sides is moved to male connector 1, and interlock with the boss on male connector 1, two elongated portion 32 all interlock with link body 2.
Further, as shown in Figure 2, snap close 3 also comprises two the second back-offs 34, two the second back-offs 34 are separately positioned in two elongated portion 32, two elongated portion 32 all along link body 2 radially extend out to link body 2 outsides from the first cavity, two the second back-offs 34 are all for interlocking with link body 2.Wherein, the second back-off 34 is arranged in the first cavity and interlocks with the inwall of link body 2, or can also together from the first cavity, stretch out with link body 2 outsides and interlock with elongated portion 32.
As preferably, the embodiment of the present invention provides a kind of jointing, wherein, two elongated portion 32 are set to spring sheet, make in the time male connector 1 being inserted to link body 2 inside, can there is elastic strain by two elongated portion 32, two distances between elongated portion 32 are increased, make the boss on male connector 1 pass smoothly two elongated portion 32, simultaneously, the elastic strain meeting producing when softened due to two elongated portion 32 applies reciprocal power to male connector 1 outside, two elongated portion 32 are clamped male connector 1, indirectly increase the frictional force between two elongated portion 32 and male connector 1, further increase the reliability being connected between male connector 1 and jointing.
Wherein, as shown in Figure 2, be provided with chamfering in the equal correspondence of left and right side of two elongated portion 32, be convenient to male connector 1 and insert or extract.
Further, as Fig. 3, shown in 4, the embodiment of the present invention provides a kind of jointing, wherein, jointing also comprises two protuberances 35 and a limiting stopper 22, two protuberances 35 are separately positioned on the end of two elongated portion 32, limiting stopper 22 is arranged on link body 2, the width of limiting stopper 22 is greater than two distances between protuberance 35, and the width of limiting stopper 22 is less than the external diameter of the boss on male connector 1, when work, boss on male connector 1 is through two elongated portion 32, make two distances between protuberance 35 be greater than the width of limiting stopper 22, two protuberances 35 extend out to link body 2 outsides along the both sides of limiting stopper 22 from the first cavity respectively.Can make thus only in the time that male connector 1 is through two elongated portion 32, just the distance between two elongated portion 32 can be strutted, make two distances between protuberance 35 be greater than the width of limiting stopper 22, now two protuberances 35 just can be pressed along the both sides of limiting stopper 22 and pass the first cavity and extend out to link body 2 outsides, just can further realize interlocking of the second back-off 34 and link body 2.If the boss on male connector 1 is not through two elongated portion 32, the distance between two protuberances 35 can not be greater than the width of limiting stopper 22, make the end of two protuberances 35 can only be blocked in limiting stopper 22 tops, snap close 3 entirety cannot be pressed downwards, as can be seen here by two protuberances 35 and a limiting stopper 22 are set, form an Anti-dislocation structure, only have the boss on male connector 1 just can press snap close 2 afterwards through two elongated portion 32, that is to say that male connector 1 and link body 2 must be pegged graft puts in place, just snap close 3 and boss and link body 2 on male connector 1 can be interlocked, directly avoid male connector 1 and the jointing situation not in place of pegging graft.
As preferably, the embodiment of the present invention provides a kind of jointing, and wherein, semicircular ring 31, two elongated portion 32 are as a whole by nylon material injection molding with protuberance 35.
It should be noted that, nylon material used is the nylon material that hardness is higher, such as nylon 11, nylon 12, nylon 66 etc., simultaneously, material used can also select that other hardness are higher, toughness is better, the good material of corrosion resistance, can ensure that the snap close 3 that processing obtains has higher hardness and ensures that snap close 3 has certain toughness, make the situation that there will not be elongated portion 32 and semicircular ring 31 to rupture in the time that male connector 1 passes snap close 3.
Further, as shown in Figure 2, the embodiment of the present invention provides a kind of jointing, wherein, jointing also comprises two reinforced blockes 36, two reinforced blockes 36 are separately positioned on the joint of two elongated portion 32 and semicircular ring 31, by reinforced block 36 is set, can effectively improve the join strength of each elongated portion 32 and semicircular ring 31, ensure elongated portion 32 be subject to male connector 1 insert the first cavity in time, can be due to the impact force of male connector 1 to elongated portion 32, and cause elongated portion 32 and semicircular ring 31 to rupture.As preferably, reinforced block 36 also can become as a whole with protuberance 35 injection moldings with semicircular ring 31, two elongated portion 32.
As preferably, as shown in Figure 5, the embodiment of the present invention provides a kind of jointing, wherein snap close also includes handle 37, handle 37 is arranged on semicircular ring 31 tops, by handle 37 is set, when needs are fixed male connector 1 with jointing, can pass through squeeze grip 37, make smoothly the first back-off 33 and the boss on male connector 1 interlock, in the time that needs are extracted male connector 1 from jointing, can pass through lift-pull handle 37, remove fast interlocking between the boss on the first back-off 33 and male connector 1.
Further, as shown in Figure 4, the embodiment of the present invention provides a kind of jointing, wherein, jointing also comprises that 21, two fixing lug boss 21 of two fixing lug boss are all arranged on link body 2, and fixing lug boss 21 and the corresponding setting of the second back-off 34, when use, each the second back-off 34 all interlocks with corresponding fixing lug boss 21.
It should be noted that, fixing lug boss 21 is set to wedge shape, and one end that fixing lug boss 21 is thinner and the second back-off 34 interlock, staff is promoted or is pulled the lower end of protuberance 35 by the direction to away from fixing lug boss 21, distance between protuberance 35 and link body 2 is greater than the thickness of one end that fixing lug boss 21 is thinner, can remove interlocking of fixing lug boss 21 and the second back-off 34.
Further, as shown in Figure 1, the embodiment of the present invention provides a kind of jointing, wherein link body 2 inside are also provided with the second cavity, the second cavity is between the first cavity and end-to-end joint part 5, and the first cavity, the second cavity is communicated with in turn with 5 inside, end-to-end joint part, the second inside cavity is provided with the first seal ring 4 and the second seal ring 6, the first seal ring 4 and the second seal ring 6 are set up in parallel in the second cavity, and be provided with gap between the first seal ring 4 and the second seal ring 6, male connector 1 inserts the first seal ring 4 and the second seal ring 6 in turn, the inner side of the first seal ring 4 and the second seal ring 6 all fits tightly with male connector 1, make the first seal ring 4 and the second seal ring 6 form sealing in male connector 1 outside respectively.
Further, as shown in Figure 1, the embodiment of the present invention provides a kind of jointing, wherein jointing also comprises isolating ring 7, isolating ring 7 is between the first seal ring 4 and the second seal ring 6, can effectively the first seal ring 4 and the second seal ring 6 be kept apart by isolating ring 7 is set, make thus male connector 1 outside and the second cavity inner side form two-layer sealing, prevent that the first seal ring 4 from affecting sealing effect each other together with touching with the second seal ring 6.
It should be noted that, seal ring can be provided with multiple the first seal ring 4 and the second seal rings 6 of being not limited only to, and be provided with multiple in the situation that at seal ring, multiple seal rings all should be set up in parallel, and between every two adjacent seal rings, isolating ring 7 all should be set.
Further, as shown in Figure 1, the embodiment of the present invention provides a kind of jointing, jointing also comprises safety ring 8, safety ring 8 is arranged in the second cavity, and safety ring 8 is positioned at the side of the first seal ring 4 away from isolating ring 7, by being set, safety ring 8 can effectively the first seal ring 4, the second seal ring 6, isolating ring 7 be fixed on to the second inside cavity, prevent that the first seal ring 4, the second seal ring 6 and isolating ring 7 from coming off from the second cavity with male connector 1.
The foregoing is only preferred embodiment of the present invention, in order to limit the present invention, within the spirit and principles in the present invention not all, any amendment of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (10)
1. a jointing, be connected with male connector, it is characterized in that, described jointing comprises link body, snap close and end-to-end joint part, described link body interior is provided with the first cavity, described end-to-end joint part is arranged on one end of described link body, and described the first cavity and described end-to-end joint part internal communication, described snap close is along in described first cavity of radially insertion of described link body, when use, described male connector stretches into described the first cavity, described snap close respectively with described male connector on boss, described link body interlock.
2. jointing according to claim 1, it is characterized in that, described snap close comprises a semicircular ring, two elongated portion and at least one the first back-off, two described elongated portion are connected with the two ends of described semicircular ring respectively, described at least one, the first back-off is arranged on described semicircular ring inner side, two described elongated portion and described the first back-off are all along in described first cavity of radially insertion of described link body, and described the first back-off for described male connector on boss interlock, two described elongated portion all interlock with described link body.
3. jointing according to claim 2, it is characterized in that, described snap close also comprises two the second back-offs, two described the second back-offs are separately positioned in two described elongated portion, two described elongated portion all along described link body radially extend out to described link body exterior from described the first cavity, two described the second back-offs are all for interlocking with described link body.
4. jointing according to claim 3, it is characterized in that, described jointing also comprises two protuberances and a limiting stopper, two described protuberances are separately positioned on the end of two described elongated portion, described limiting stopper is arranged on described link body, the width of described limiting stopper is greater than two distances between described protuberance, and the width of described limiting stopper is less than the external diameter of the boss on described male connector, described limiting stopper is used for limiting two described protuberances and stretches out from described the first cavity, when use, boss on described male connector is through two described elongated portion, make two distances between described protuberance be greater than the width of described limiting stopper, and two described protuberances extend out to described link body exterior along the both sides of described limiting stopper from described the first cavity respectively.
5. jointing according to claim 4, is characterized in that, described semicircular ring, two described elongated portion and described protuberance are as a whole by nylon material injection molding.
6. jointing according to claim 2, it is characterized in that, described snap close also comprises two reinforced blockes, two described reinforced blockes are separately positioned on the joint of two described elongated portion and described semicircular ring, and described reinforced block is for improving the intensity between each described elongated portion and described semicircular ring.
7. jointing according to claim 3, it is characterized in that, described jointing also comprises two fixing lug boss, two described fixing lug boss are all arranged on described link body, and two described fixing lug boss respectively with the corresponding setting of two described the second back-offs, when use, each described the second back-off all interlocks with corresponding described fixing lug boss.
8. jointing according to claim 1, it is characterized in that, described link body interior is also provided with the second cavity, described the second cavity is between described the first cavity and described end-to-end joint part, and described the first cavity, described the second cavity are communicated with in turn with inside, described end-to-end joint part, described the second inside cavity is provided with the first seal ring and the second seal ring, between described the first seal ring and described the second seal ring, is provided with gap.
9. jointing according to claim 8, is characterized in that, described jointing also comprises isolating ring, and described isolating ring is arranged in described the second cavity, and described isolating ring is between described the first seal ring and described the second seal ring.
10. jointing according to claim 9, is characterized in that, described jointing also comprises safety ring, and described safety ring is arranged in described the second cavity, and described safety ring is positioned at the side of described the first seal ring away from described isolating ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410113649.4A CN103899861B (en) | 2014-03-25 | 2014-03-25 | A kind of jointing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410113649.4A CN103899861B (en) | 2014-03-25 | 2014-03-25 | A kind of jointing |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103899861A true CN103899861A (en) | 2014-07-02 |
| CN103899861B CN103899861B (en) | 2016-08-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410113649.4A Active CN103899861B (en) | 2014-03-25 | 2014-03-25 | A kind of jointing |
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| CN (1) | CN103899861B (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105443888A (en) * | 2015-12-16 | 2016-03-30 | 廊坊舒畅汽车零部件有限公司 | Crankcase ventilation pipe joint |
| CN105604644A (en) * | 2016-03-04 | 2016-05-25 | 廊坊舒畅汽车零部件有限公司 | Connector for ventilating pipe of car crankcase |
| CN105633728A (en) * | 2016-01-08 | 2016-06-01 | 临海市永恒汽配科技有限公司 | Detachable plug-in connector |
| CN107101056A (en) * | 2017-05-22 | 2017-08-29 | 重庆溯联汽车零部件有限公司 | Crankcase snap joint |
| CN107606358A (en) * | 2017-11-08 | 2018-01-19 | 香河瑞和通汽车零部件有限公司 | A kind of safety lock structure automobile pipeline plastics quick connector |
| CN108488520A (en) * | 2018-05-21 | 2018-09-04 | 临海市永恒汽配科技有限公司 | A kind of dismountable plug-in connector |
| CN114233882A (en) * | 2021-12-21 | 2022-03-25 | 江苏瑞润隆机械有限公司 | Gate valve convenient to install and used for petroleum pipeline and using method of gate valve |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105443888A (en) * | 2015-12-16 | 2016-03-30 | 廊坊舒畅汽车零部件有限公司 | Crankcase ventilation pipe joint |
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| CN105604644B (en) * | 2016-03-04 | 2018-08-24 | 廊坊舒畅汽车零部件有限公司 | The effective jointing of vehicle crankcase ventilation |
| CN107101056A (en) * | 2017-05-22 | 2017-08-29 | 重庆溯联汽车零部件有限公司 | Crankcase snap joint |
| CN107101056B (en) * | 2017-05-22 | 2023-04-25 | 重庆溯联汽车零部件有限公司 | Quick connector for crank case |
| CN107606358A (en) * | 2017-11-08 | 2018-01-19 | 香河瑞和通汽车零部件有限公司 | A kind of safety lock structure automobile pipeline plastics quick connector |
| CN108488520A (en) * | 2018-05-21 | 2018-09-04 | 临海市永恒汽配科技有限公司 | A kind of dismountable plug-in connector |
| CN114233882A (en) * | 2021-12-21 | 2022-03-25 | 江苏瑞润隆机械有限公司 | Gate valve convenient to install and used for petroleum pipeline and using method of gate valve |
| CN114233882B (en) * | 2021-12-21 | 2023-08-25 | 江苏瑞润隆机械有限公司 | Gate valve convenient to install for petroleum pipeline and use method of gate valve |
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|---|---|
| CN103899861B (en) | 2016-08-17 |
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