CN110319289B - High-pressure-resistant quick connector and pressing cover thereof - Google Patents
High-pressure-resistant quick connector and pressing cover thereof Download PDFInfo
- Publication number
- CN110319289B CN110319289B CN201910699950.0A CN201910699950A CN110319289B CN 110319289 B CN110319289 B CN 110319289B CN 201910699950 A CN201910699950 A CN 201910699950A CN 110319289 B CN110319289 B CN 110319289B
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- fluid pipe
- pressure ring
- pressing cover
- groove
- slope
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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
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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 pneumatic and hydraulic fluid quick connectors and pressing covers, and discloses a high-pressure-resistant quick connector and a pressing cover thereof. Through setting up increase high-pressure ring and inner core can make the joint play under the high pressure state and press the lid body and not fracture, and nonmetal fluid pipe does not fracture, and the deformation is little, and the fluid pipe rocks littleer, and sealed effect is better. Through setting up outer dustproof anti-swing slider to insert outer dustproof anti-swing slider in one side of connecting the main part, insert interior dustproof anti-swing slider in the opposite side of connecting the main part, can play dustproof and anti-swing's effect, improve metal joint's leakproofness and life greatly. The inner core limits the inner diameter of the nonmetallic tube, so that the deformation of the air tube is greatly reduced after the inner diameter and the outer diameter of the nonmetallic tube are limited, the pressure resistance of the joint is improved, and the shaking of the air tube is almost reduced to 0, thereby greatly reducing the fault of air leakage and greatly prolonging the service life in the use in a vibration environment (such as an automobile).
Description
Technical Field
The invention relates to the technical field of quick connectors and pressing covers, in particular to a high-pressure-resistant quick connector and a pressing cover thereof.
Background
The existing metal joint (shown in reference to fig. 1) only has the inner dustproof anti-swing sliding block 1-1 as positioning and dustproof, and in the actual use process, because of the lack of positioning points, when ventilation or liquid passing of the nonmetal fluid pipe 3 generate uninterrupted circulating impact, the nonmetal fluid pipe 3 and the pressing cover body 1 and the joint main body 2 generate relative swing due to the lack of positioning points, so that the sealing element 4 is unevenly pressed to generate leakage, and the use is affected.
In addition, the metal joint is used in a severe environment, and dust and impurities easily penetrate into the metal joint through a gap between the inner dustproof and anti-swing slider 1-1 and the joint body 2 to adhere to the sealing member, so that leakage is caused.
When fluid in the pipe fitting reaches a certain pressure (shown by referring to fig. 3), after the pressing cover body 1 receives an outward stretching force from the nonmetallic fluid pipe 3, the step 1-1 of the pressing cover body 1 and the slope 2-1 of the joint main body 2 are mutually extruded, so that the clamping pipe tip 1-4 cuts the pipe fitting 3, the pipe fitting 3 is broken, meanwhile, the step 1-1 of the pressing cover body 1 and the slope 2-1 of the joint main body 2 are mutually extruded, so that the clamping pipe tip 1-4 is excessively deformed, the pressing cover body 1 is broken, meanwhile, the sealing element 4 is deformed along a gap between the bevel edge 2-2 and the nonmetallic fluid pipe 3 after being subjected to a strong pressure, and leakage is caused by excessively large deformation.
Disclosure of Invention
The invention aims to overcome the existing defects, and provides the high-pressure-resistant quick connector and the pressing cover thereof, wherein the high-pressure-resistant quick connector can prevent the body of the pressing cover from breaking under the high pressure state by arranging the high-pressure ring and the inner core, the nonmetal fluid pipe is not broken, the deformation is small, the fluid pipe shakes less, the sealing effect is better, the outer dustproof anti-swing slider is arranged on one side of the connector main body in an inserting way, the inner dustproof anti-swing slider is arranged on the other side of the connector main body in an inserting way, the functions of dust prevention and swing prevention can be achieved, the stability and the service life of the metal connector are greatly improved, and the problems in the background technology can be effectively solved.
In order to solve the technical problems, the invention provides the following technical scheme:
the invention provides a high-pressure-resistant quick connector, which comprises:
a nonmetallic fluid tube;
the stop block is arranged outside the nonmetal fluid pipe;
the high-pressure ring is sleeved outside the nonmetal fluid pipe and can slide up and down on the upper part of the nonmetal fluid pipe;
an inner core disposed inside the nonmetallic fluid tube;
a joint body disposed outside the nonmetallic fluid pipe;
and the sealing piece is arranged on the outer side of the nonmetal fluid pipe and is used for sealing gaps between the joint main body and the high-pressure ring as well as between the nonmetal fluid pipe.
As a preferred embodiment of the present invention, the joint body includes:
the slope is arranged in the joint main body, and the step is arranged on one side of the slope;
a sloping edge which is arranged at the lower part of the slope;
the groove is arranged on one side of the bevel edge, and the convex points are arranged in the groove;
the sealing groove is arranged at the lower part of the bevel edge, the sealing piece is arranged in the sealing groove, and the bottom of the high-pressure ring is arranged in the sealing groove;
the positioning grooves are arranged at the lower part of the sealing groove, two positioning grooves are arranged, wherein,
the bottom of the nonmetal fluid pipe is positioned at the upper part of one of the positioning grooves, and the bottom of the inner core is arranged at the upper part of the other positioning groove.
As a preferred embodiment of the present invention, the high-voltage ring includes:
and the side slope is arranged on one side of the high-voltage ring, and when the high-voltage ring moves upwards, the side slope is matched with the stop block.
As a preferred technical scheme of the invention, the high-pressure ring and the inner core are annular cylinders.
As a preferred technical solution of the present invention, the quick connector further comprises:
the pressing cover body is sleeved on the upper part of the nonmetal fluid pipe;
the pressing cover body includes:
the step is arranged at the bottom of the pressing cover;
the convex points are arranged at the bottoms of the steps;
a chamfered edge disposed on one side of the bump;
and the bulge is arranged on one side of the step.
A pressing cover for a high pressure resistant quick connector, comprising:
the pressing cover body is sleeved on the upper part of the nonmetal fluid pipe;
the connector body is arranged at the bottom of the pressing cover body;
the release ring is arranged at the bottom of the tip part of the clamping tube;
and a sealing member provided at an upper portion of the joint body and adapted to seal a gap between the release ring and the sealing member.
As a preferred embodiment of the present invention, the release ring includes:
the convex points are arranged on the upper part of the release ring and used for expanding the tips of the clamping tubes.
As a preferred embodiment of the present invention, the pressing cap body includes:
the inner dustproof anti-swing sliding block is arranged at the bottom of the pressing cover body;
the outer dustproof anti-swing slider is arranged on the lower surface of the pressing cover body;
the clamping tube tip is arranged at the bottom of the pressing cover body;
the groove, the groove is provided with a plurality of, the groove is followed press the length direction of lid body to set up press one side of lid body.
As a preferred embodiment of the present invention, the grooves are provided with 4 or 6 or 8 grooves.
As a preferable embodiment of the present invention, the width of the groove is 1 to 2mm.
One or more technical schemes provided by the invention have at least the following technical effects or advantages:
1. through setting up increase high-pressure ring and inner core can make the joint play under the high pressure state and press the lid body and not fracture, and nonmetal fluid pipe does not fracture, and the deformation is little, and the fluid pipe rocks littleer, and sealed effect is better.
2. Through setting up outer dustproof anti-swing slider to insert outer dustproof anti-swing slider in one side of connecting the main part, insert interior dustproof anti-swing slider in the opposite side of connecting the main part, can play dustproof and anti-swing's effect, improve metal joint's stability and life greatly.
3. The inner core is used for limiting the inner diameter of the nonmetallic tube, after the inner diameter and the outer diameter of the nonmetallic tube are limited, the deformation of the air tube is greatly reduced, the pressure resistance of the joint is improved, and the shaking of the air tube is almost reduced to 0, so that the faults of air leakage and the service life of pressurization are greatly reduced in the use in a vibration environment (such as an automobile).
Drawings
The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate the invention and together with the embodiments of the invention, serve to explain the invention.
In the drawings:
FIG. 1 is a cross-sectional view of a quick connector press cover according to an embodiment of the present invention;
FIG. 2 is a schematic diagram showing the distribution of grooves in the upper portion of a push cap for a quick connector according to an embodiment of the present invention;
fig. 3 is a schematic diagram illustrating connection between a high-pressure-resistant quick connector and a pressing cover body according to an embodiment of the present invention;
FIG. 4 is a schematic view of a high pressure resistant quick connector pressing cover body according to an embodiment of the present invention;
FIG. 5 is a schematic view of a high pressure resistant quick connector coupling body according to an embodiment of the present invention;
FIG. 6 is a schematic view of a high-pressure-resistant quick connector high-pressure ring, side slope, sealing member and inner core structure according to an embodiment of the present invention;
reference numerals in the drawings: 1. pressing the cover body; 1-1, steps; 1-2, protruding points; 1-3, chamfering; 1-4, bulges; 2. a joint body; 2-1, slope; 2-2, bevel edge; 2-3, grooves; 2-4, sealing the groove; 2-5, positioning grooves; 3. a nonmetallic fluid tube; 4. a seal; 5. a high pressure ring; 5-1, side slopes; 6. an inner core; 7. a stop block; 8. a release ring; 8-1, protruding points.
Detailed Description
The present invention will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
It will be understood that when an element is referred to as being "mounted" or "disposed" on another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.
In the description of the present invention, it should be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present invention and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present invention.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present invention, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
In order to better understand the above technical solutions, the following detailed description will be given with reference to the accompanying drawings and the specific embodiments.
Embodiment one:
referring to fig. 3-6, the high pressure resistant quick connector of the present invention comprises:
a nonmetal fluid pipe 3, wherein the nonmetal fluid pipe 3 is used for ventilation or liquid ventilation and other fluids;
the stop block 7 is arranged outside the nonmetal fluid pipe 3, and the stop block 7 is sleeved outside the nonmetal fluid pipe 1 in an inverted triangle structure;
the high-pressure ring 5, the high-pressure ring 5 cover is located the outside of nonmetal fluid pipe 3, high-pressure ring 5 is movable part, and high-pressure ring 5 can be in the upper portion of nonmetal fluid pipe 3 is in sealing member 4 and press and be stamped between the lid body 1, high-pressure ring 5 includes:
the side slope 5-1, wherein the side slope 5-1 is in an inverted triangle structure and is arranged on one side of the high-voltage ring 5, and when the high-voltage ring 5 moves upwards, the stop block 7 is embedded in the side slope 5-1 so as to limit the movement of the high-voltage ring 5;
the inner core 6, the inner core 6 set up in the inside of nonmetal fluid pipe 3, the inner core 6 is spacing to the internal diameter of nonmetal pipe, and after the internal and external footpath restriction of nonmetal pipe, the tracheal deformation has significantly reduced, has improved the withstand voltage of joint. The shaking of the air pipe is almost reduced to 0, so that the faults of air leakage and the service life of pressurization are greatly reduced in the use in a vibration environment (such as an automobile);
a joint body 2, the joint body 2 being provided outside the nonmetallic fluid pipe 3;
the pressing cover body 1 is sleeved outside the nonmetal fluid pipe 3, and the pressing cover body 1 is fixed on the main body 2 in a riveting mode;
and a seal 4, wherein the seal 4 is arranged outside the nonmetal fluid pipe 3 and is used for sealing gaps between the joint main body 2 and the high-pressure ring 5 and the nonmetal fluid pipe 3.
The outer diameter of the high-pressure ring 5 is matched with the size of the pressing cover body 1, and the step 1-1 and the slope 2-1 are matched with each other in size, so that the deformation of the fluid pipe is limited, and the deformation of the pressing cover body is limited. The pressing cover body 1 is fixed on the main body 2 by riveting or the like, and the high-pressure ring 5 is a movable part and can slide between the sealing element 4 and the pressing cover body 1. The high pressure ring 5 and the inner core 6 are annular cylinders, and the gas size is changed according to the inner diameter and the outer diameter of the nonmetallic tube.
Embodiment two:
referring to fig. 3-6, the high pressure resistant quick connector of the present invention, the pressing cover body 1 includes:
a step 1-1, wherein the step 1-1 is arranged at the bottom of the pressing cover body 1;
the bump 1-2 is arranged at the bottom of the step 1-1, and the bump 1-2 is arranged at the bottom of the step 1-1;
the inclined edge 1-3, wherein the inclined edge 1-3 is arranged on one side of the convex point 1-2;
and the bulge 1-4 is arranged on one side of the step 1-1, and the bulge 1-4 is arranged on the other side of the step 1-1.
The joint body 2 includes:
a slope 2-1, wherein the slope 2-1 is arranged inside the joint main body 2, and the step 1-1 is arranged at one side of the slope 2-1;
a sloping side 2-2, wherein the sloping side 2-2 is arranged at the lower part of the slope 2-1;
the groove 2-3 is formed in one side of the bevel edge 2-2, and the convex point 1-2 is formed in the groove 2-3;
a seal groove 2-4, wherein the seal groove 2-4 is arranged at the lower part of the bevel edge 2-2, the seal piece 4 is arranged inside the seal groove 2-4, and the bottom of the high pressure ring 5 is arranged inside the seal groove 2-4;
the positioning grooves 2-5 are arranged at the lower part of the sealing groove 2-4, and two positioning grooves 2-5 are arranged, wherein,
the bottom of the nonmetallic fluid pipe 3 is positioned at the upper part of one of the positioning grooves 2-5, and the bottom of the inner core 6 is positioned at the upper part of the other positioning groove 2-5.
The high-voltage ring 5 includes:
and a side slope 5-1, wherein the side slope 5-1 is arranged on one side of the high-voltage ring 5, and when the high-voltage ring 5 moves upwards, the side slope 5-1 is matched with the stop block 7.
The high-pressure ring 5 and the inner core 6 are annular cylinders.
When the nonmetal fluid pipe 3 receives high pressure, the sealing piece 4 extrudes the high-pressure ring 5 upwards, so that the salient point 1-2 at the bottom of the pressing cover body 1 and the high-pressure ring 5 are limited and locked, the phenomenon that the pipe is broken due to infinite extrusion of the salient point 1-4 to the fluid pipe is avoided, meanwhile, the step 1-1 is limited and reversely locked by the slope 2-1, the pressing cover body 1 is limited in a certain elastic range, the breakage of the pressing cover body 1 is avoided, and meanwhile, the gap between the outer diameter of the high-pressure ring 5 and the inclined edge 2-2 is controlled in a high-pressure sealing allowable range, so that the deformation of the sealing ring is controllable, and the sealing effect is greatly improved.
Embodiment III:
referring to fig. 1 to 2, the quick connector pressing cover of the present invention includes:
a non-metallic fluid pipe 3, the non-metallic fluid pipe 3 being used for aeration or liquid passage;
the pressing cover body 1 is sleeved on the upper part of the nonmetal fluid pipe 3;
the inner dustproof anti-swing slider 1-1 is arranged at the bottom of the pressing cover body 1;
the outer dustproof anti-swing slider 1-2 is arranged on the lower surface of the pressing cover body 1;
the clamping tube tip part 1-4, wherein the clamping tube tip part 1-4 is arranged at the bottom of the pressing cover body 1;
the connector body 2 is arranged at the bottom of the pressing cover body 1, and one side of the outer dustproof anti-swing slider 1-2 is connected with one side of the top of the connector body 2 and used for preventing dust and swing;
the release ring 8 is arranged at the bottom of the clamping tube tip part 1-4;
a seal 4, the seal 4 being provided at an upper portion of the joint body 2 and being used to seal a gap between the release ring 8 and the seal 4.
When the connector is used, the pressing cover body 1 is sleeved on the upper part of the nonmetal fluid pipe 3, a clamping channel is formed between the outer dustproof anti-swing slider 1-2 and the inner dustproof anti-swing slider 1-1 at the bottom of the pressing cover body 1, the top of the connector main body 2 is clamped between the outer dustproof anti-swing slider 1-2 and the inner dustproof anti-swing slider 1-1, then the clamping pipe tip part 1-4 at the bottom of the pressing cover body 1 is backlogged on the upper part of the release ring 8, and finally a gap between the connector main body 2 and the release ring is sealed by the sealing element 4; when the cover body 1 is pressed to slide downwards, the convex points 8-1 on the release ring 8 expand the clamp tube tip 1-4, so that the nonmetallic fluid tube 3 is released, and the effect of quick insertion and quick extraction is achieved.
Embodiment four:
referring to fig. 1-2, the quick connector pressing cover of the present invention further includes:
the bump 8-1, bump 8-1 set up in the upper portion of release ring 8, bump 8-1 is used for expanding card pipe point portion 1-4, can reach the effect of quick plug-in and quick pull-out.
The groove 1-3, groove 1-3 is followed press the length direction of lid body 1 to set up press one side of lid body 1, groove 1-3 is provided with a plurality ofly, the width of groove 1-3 is 1 ~ 2mm, guarantees elasticity even, makes intubate and tube drawing more light.
Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present invention, and the present invention is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present invention has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (1)
1. The utility model provides a high pressure resistant quick connector which characterized in that: comprising the following steps:
a non-metallic fluid pipe (3);
a stopper (7), the stopper (7) being arranged outside the nonmetallic fluid pipe (3);
the high-pressure ring (5) is sleeved outside the nonmetal fluid pipe (3), and the high-pressure ring (5) can slide up and down on the upper part of the nonmetal fluid pipe (3);
an inner core (6), the inner core (6) being arranged inside the nonmetallic fluid pipe (3);
a joint body (2), the joint body (2) being arranged outside the nonmetallic fluid pipe (3);
a seal (4), the seal (4) being arranged outside the non-metallic fluid pipe (3) and being used for sealing a gap between the joint body (2) and the high pressure ring (5) and the non-metallic fluid pipe (3);
the joint body (2) includes:
a slope (2-1), wherein the slope (2-1) is arranged inside the joint main body (2), and the step (1-1) is arranged on the inner side of the slope (2-1);
a sloping side (2-2), wherein the sloping side (2-2) is arranged at the lower part of the slope (2-1);
the groove (2-3), the groove (2-3) is arranged on the inner side of the bevel edge (2-2), and the salient point (1-2) is arranged in the groove (2-3);
a sealing groove (2-4), wherein the sealing groove (2-4) is arranged at the lower part of the bevel edge (2-2), the sealing piece (4) is arranged inside the sealing groove (2-4), and the bottom of the high-pressure ring (5) is arranged inside the sealing groove (2-4);
the positioning grooves (2-5) are formed in the lower portion of the sealing groove (2-4), and two positioning grooves (2-5) are formed in the positioning grooves, wherein the bottom of the nonmetal fluid pipe (3) is located at the upper portion of one positioning groove (2-5), and the bottom of the inner core (6) is arranged at the upper portion of the other positioning groove (2-5);
the high pressure ring (5) comprises: the side slope (5-1), the side slope (5-1) is arranged on the inner side of the high-pressure ring (5), and when the high-pressure ring (5) moves upwards, the side slope (5-1) is matched with the stop block (7);
the high-pressure ring (5) and the inner core (6) are annular cylinders;
the quick connector further comprises: the pressing cover body (1) is sleeved on the upper part of the nonmetal fluid pipe (3); the pressing cover body (1) includes:
a step (1-1), wherein the step (1-1) is arranged at the bottom of the pressing cover (1);
the salient point (1-2) is arranged at the bottom of the step (1-1) and is arranged at the outer side of the high-pressure ring (5);
a chamfered edge (1-3), the chamfered edge (1-3) being arranged outside the salient point (1-2);
and the bulge (1-4) is arranged on the inner side of the step (1-1), and the bulge (1-4) is arranged on the outer side of the step (1-1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910699950.0A CN110319289B (en) | 2019-07-31 | 2019-07-31 | High-pressure-resistant quick connector and pressing cover thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910699950.0A CN110319289B (en) | 2019-07-31 | 2019-07-31 | High-pressure-resistant quick connector and pressing cover thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110319289A CN110319289A (en) | 2019-10-11 |
| CN110319289B true CN110319289B (en) | 2023-09-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910699950.0A Active CN110319289B (en) | 2019-07-31 | 2019-07-31 | High-pressure-resistant quick connector and pressing cover thereof |
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| Country | Link |
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| CN (1) | CN110319289B (en) |
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| CA2721286A1 (en) * | 2009-11-12 | 2011-05-12 | Messier-Bugatti | Claw-type locking device with rotating locking sleeve |
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| CN210344701U (en) * | 2019-07-31 | 2020-04-17 | 乐清市乐可力气动科技有限公司 | Quick connector pressing cover |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110319289A (en) | 2019-10-11 |
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