CN220268761U - Self-sealing quick connector - Google Patents

Self-sealing quick connector Download PDF

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Publication number
CN220268761U
CN220268761U CN202321950480.9U CN202321950480U CN220268761U CN 220268761 U CN220268761 U CN 220268761U CN 202321950480 U CN202321950480 U CN 202321950480U CN 220268761 U CN220268761 U CN 220268761U
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China
Prior art keywords
pipeline
self
quick connector
guide
sealing quick
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CN202321950480.9U
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Chinese (zh)
Inventor
卢热
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Cixi Jieni Pneumatic Element Co ltd
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Cixi Jieni Pneumatic Element Co ltd
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Abstract

The utility model discloses a self-sealing quick connector, which comprises a connecting part for connecting a pipeline and a guiding part for placing the pipeline; one end of the connecting part is connected with the inlet, the other end of the connecting part is provided with a fixed column for sleeving a pipeline, and the pipeline is tightly tensioned on the fixed column and is abutted with the end part of the connecting part.

Description

Self-sealing quick connector
Technical Field
The utility model relates to the technical field of connectors, in particular to a self-sealing quick connector.
Background
The quick connector is a common connecting element, has the advantages of simple structure, convenient installation, good sealing performance, strong durability and the like, and is widely applied to various industrial fields.
However, the quick connector in the prior art has the following defects: the existing quick connector comprises a quick connector and a quick screwing connector, wherein the quick connector adopts a sealing ring to seal a medium, but if the medium is liquid, 100% sealing cannot be ensured, water leakage, liquid leakage, oil leakage and the like are easy to occur, and the quick screwing connector has good sealing property, and a fixing cap is required to be screwed after the quick screwing connector is inserted into a pipeline, so that the use efficiency is low.
Disclosure of Invention
In order to solve the technical problems in the background technology, the utility model provides a self-sealing type quick connector.
The utility model solves the technical problems by adopting the following technical scheme:
a self-sealing quick connector comprises a connecting part for connecting a pipeline and a guiding part for placing the pipeline;
one end of the connecting part is connected with the inlet, the other end of the connecting part is provided with a fixed column for sleeving a pipeline, and the pipeline is tightly tensioned on the fixed column and is abutted with the end part of the connecting part.
Preferably, the fixing column comprises an insertion section, a guide section and a fixing section, wherein the outer diameter of the fixing section is larger than that of the guide section, and the outer diameter of the guide section is larger than that of the insertion section. Through the improvement, the pipeline with the minimum outer diameter of the insertion section can be directly sleeved into the insertion section, and enters the fixing section along the guiding section along with the slow insertion pipeline, and finally, the pipeline is tightly expanded at the fixing section, so that the pipeline is fixed on the fixing column.
Preferably, the outer diameter of the guide section has a tendency to expand in the mounting direction. Through the improvement, the guide section gradually becomes larger along with the insertion of the outer diameter, so that the guide section forms an inclined plane, and the pipeline is easier to insert.
Preferably, the guide part comprises a first guide piece, a second guide piece clamped on the first guide piece and a pressing piece movably arranged on the second guide piece, a first annular convex part is formed on the periphery of the first guide piece, a first clamping groove for the first annular convex part to be placed in is formed on the connecting part, and the inner wall of the first guide piece is in butt joint with the outer contour of the pipeline. Through above improvement, when the pipeline insert the back the inner wall of first guide with pipeline outline butt, further improved the leakproofness of pipeline.
Preferably, the first guide member is provided with an observation port on the peripheral side. Through above improvement, can see through the viewing aperture, observe whether the pipeline inserts in place, the operator of being convenient for more uses.
Preferably, a second annular protrusion is formed on the circumferential side of the second guide member, and a second clamping groove into which the second annular protrusion is placed is formed on the first guide member. Through the improvement, the second annular convex part of the second guide piece is placed in the second clamping groove, so that the stability of the cooperation of the first guide piece and the second guide piece is ensured.
Preferably, an annular groove is formed on the first guide member, a reed is arranged in the annular groove, the pressing member moves up and down, so that the abutting part of the reed has an extending or folding state, and the reed exerts a holding force on the circumference side of the pipeline. Through above improvement, the reed is put into in the annular groove, when the pipeline is inserted to needs, can push down the pressing piece and make the butt portion of reed draw in, after accomplishing the pipeline and inserting, can unclamp the pressing piece, the reed will press the top on the pressing piece, and the butt portion of reed stretches out and touches with pipeline week side.
Preferably, the second guide member is formed with an abutment groove, an abutment table is formed on the circumferential side of the pressing member, and the spring continuously provides an upward force to the pressing member so that the abutment table abuts against the abutment groove. Through above improvement, the reed is for pressing the spare and continuously provides ascending power, when rising to certain degree, butt platform and butt groove butt avoid pressing the spare to break away from connecting portion, when needs insert the pipeline, can press the pressing piece and make, pressing the piece decline and act on the reed and make the butt portion of reed draw in, accomplish the pipeline installation after, loosen the pressing piece, the reed is with the pressing piece top, and stretches out the butt portion, carries out the butt to the pipeline from the week side, further makes the pipeline fixed.
Preferably, the bottom of the second guide piece is located above the annular groove and is abutted against the upper part of the reed. Through the improvement, the bottom of the second guide piece is used as an upper limiting surface to be positioned above the annular groove and is abutted above the reed, so that the reed is prevented from being separated from the annular groove.
Preferably, the abutting end of the pressing piece is formed with a guide inclined plane. Through the improvement, the abutting end of the reed is folded and stretched out under the action of the guide inclined plane, so that the reed is folded and stretched out to have a little buffer, and the service life of the reed is further prolonged.
Compared with the prior art, the utility model has the following advantages and beneficial effects:
the connecting part is provided with the connecting inlet end at one end and the fixing column for sleeving the pipeline at the other end, the threaded section is communicated with the fixing column to form a circulation channel, the pipeline is sleeved on the fixing column, the pipeline is tightly tensioned on the pipeline mounting column, and the pipeline is abutted with the end part of the connecting part, so that the pipeline can realize self-sealing, the sealing of a liquid medium can be realized, compared with a quick connector, the sealing performance is higher, the pipe is abutted with the peripheral side of the pipeline through the guiding part, the pipe is quickly fixed on the connecting part, and the use efficiency is faster compared with a quick connector;
drawings
FIG. 1 is a schematic overall structure of the present utility model;
FIG. 2 is a cross-sectional view of the overall structure of the present utility model;
FIG. 3 is a schematic view of a connecting portion according to the present utility model;
FIG. 4 is a schematic view of the structure of the first guide of the present utility model;
FIG. 5 is a schematic view of the structure of the second guide of the present utility model;
FIG. 6 is a schematic view of the structure of the pressing member of the present utility model;
in the figure: 1. a connection part; 2. a guide part; 3. a flow channel; 4. fixing the column; 101. a first clamping groove; 102. a first annular protrusion; 103. a first guide; 104. a second guide; 105. a pressing member; 106. an observation port; 107. a threaded section; 201. a second annular protrusion; 202. a second clamping groove; 203. an annular groove; 204. a reed; 205. an abutment groove; 206. an abutment; 301. a guide slope; 302. an insertion section; 303. a guide section; 304. a fixed section;
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
It will be understood that, although the terms upper, middle, lower, top, end, etc. may be used herein to describe various elements, these elements should not be limited by these terms. These terms are only used to distinguish one element from another for ease of understanding and are not used to define any directional or sequential limitation.
As shown in fig. 1 to 6, a self-sealing quick connector comprises a connecting part 1 for connecting a pipeline and a guiding part 2 for placing and fixing the pipeline.
Further, a threaded section 107 connected with an inlet is formed at one end of the connecting portion 1, a fixed column 4 for sleeving a pipeline is formed at the other end of the connecting portion, the threaded section 107 is communicated with the fixed column 4 to form a circulation channel 3, the pipeline is tightly expanded on the fixed column 4 and is abutted to the end of the connecting portion 1, so that the pipeline can realize self-sealing, 100% of a liquid medium can be sealed under the condition that the using pressure is not more than 2MPa, and the pipeline can be quickly fixed on the connecting portion 1 under the action of the guiding portion 2, and convenient and quick use is realized.
As shown in fig. 1, 2 and 3, with respect to further explanation of the connection portion 1 in this embodiment, the fixing post 4 includes an insertion section 302, a guide section 303, and a fixing section 304, the outer diameter of the fixing section 304 is larger than that of the guide section 303, the outer diameter of the guide section 303 is larger than that of the insertion section 302, a minimum outer diameter pipeline of the insertion section 302 can be directly sleeved into the insertion section 302, and as the insertion pipeline slowly enters the fixing section 304 along the guide section 303, and finally, the fixing section 304 is tightened to be fixed on the fixing post 4.
Further, the outer diameter of the guide section 303 has a tendency to expand along the installation direction, and since the outer diameter of the guide section 303 becomes gradually larger as it is inserted, it forms an inclined surface, making it easier to insert the pipe.
Specifically, when the pipeline is in a fixed state, the part of the pipeline at the guide part 2 and the part on the fixed column 4 form dislocation, the pipeline is attached to the inner wall of the guide part 2, the pipeline is prevented from being spread under the action of the fixed column 4, the sealing effect is affected, and therefore the sealing performance of the whole joint is improved.
As shown in fig. 1, 2, 4, 5 and 6, further explanation of the implementation of the guide part 2 in this embodiment is that the guide part 2 includes a first guide 103, a second guide 104 clamped on the first guide 103, and a pressing member 105 movably disposed on the second guide 104, a first annular protrusion 102 is formed on a peripheral side of the first guide 103, a first clamping groove 101 into which the first annular protrusion 102 is inserted is formed on the connecting part 1, and an inner wall of the first guide 103 abuts against an outer contour of the pipeline, and when the pipeline is inserted, the inner wall of the first guide 103 abuts against the outer contour of the pipeline, the first guide 103 applies pressure to the pipeline from the peripheral side, so that the sealing performance of the pipeline is further improved.
Further, the second annular protrusion 201 is formed on the peripheral side of the second guide member 104, the second clamping groove 202 into which the second annular protrusion 201 is placed is formed on the first guide member 103, and the second annular protrusion 201 of the second guide member 104 is placed into the second clamping groove 202, so that the stability of the cooperation between the first guide member 103 and the second guide member 104 is ensured.
Specifically, an annular groove 203 is formed on the first guide member 103, a reed 204 is disposed in the annular groove 203, the pressing member 105 moves up and down, so that an abutting portion of the reed 204 has an extending or folding state, the reed 204 is disposed in the annular groove 203, when a pipeline needs to be inserted, the pressing member 105 can be pressed down to fold the abutting portion of the reed 204, when the pipeline is inserted, the pressing member 105 can be released, the reed 204 pushes the pressing member 105 up, and the abutting portion of the reed 204 extends out to abut against the peripheral side of the pipeline.
The second guide 104 is formed with an abutment groove 205, an abutment table 206 is formed on the circumferential side of the pressing member 105, the spring 204 continuously provides an upward force for the pressing member 105, so that the abutment table 206 and the abutment groove 205 continuously provide an upward force for the pressing member 105, when the pressing member is lifted to a certain extent, the abutment table 206 abuts against the abutment groove 205, the pressing member 105 is prevented from being separated from the connecting part 1, when a pipeline needs to be inserted, the pressing member 105 can be pressed, the pipeline can be directly inserted, the pressing member 105 is lowered to act on the spring 204 to close the abutment part of the spring 204, after the pipeline is installed, the pressing member 105 is released, the spring 204 pushes the pressing member 105 upwards, and the abutting part extends out to abut against the pipeline from the circumferential side, so that the pipeline is further fixed.
Preferably, the first guide 103 is provided with an observation port 106 on the circumferential side, so that whether the pipeline is inserted in place or not can be observed through the observation port 106, and the use of an operator is facilitated.
Preferably, the bottom of the second guide 104 is located above the annular groove 203, and the bottom of the second guide 104 is located above the annular groove 203 as an upper limiting surface to prevent the reed 204 from being separated from the annular groove 203.
Preferably, a guiding inclined plane 301 is formed at the abutting end of the pressing piece 105, and the abutting end of the reed 204 is folded and extended under the action of the guiding inclined plane 301, so that the reed 204 is folded and extended to have buffering, and the service life of the reed 204 is further prolonged.
The present embodiment is only for explanation of the present utility model and is not to be construed as limiting the present utility model, and modifications to the present embodiment, which may not creatively contribute to the present utility model as required by those skilled in the art after reading the present specification, are all protected by patent laws within the scope of claims of the present utility model.

Claims (10)

1. The self-sealing quick connector is characterized by comprising a connecting part (1) for connecting a pipeline and a guiding part (2) for placing the pipeline;
one end of the connecting part (1) is connected with the inlet, the other end of the connecting part is provided with a fixed column (4) for sleeving a pipeline, and the pipeline is tightly expanded on the fixed column (4) and is abutted with the end part of the connecting part (1).
2. A self-sealing quick connector according to claim 1, wherein the fixing column (4) comprises an insertion section (302), a guide section (303) and a fixing section (304), the fixing section (304) having an outer diameter larger than the guide section (303), and the guide section (303) having an outer diameter larger than the insertion section (302).
3. A self-sealing quick connector according to claim 2, characterized in that the outer diameter of the guide section (303) has a tendency to expand in the mounting direction.
4. The self-sealing quick connector according to claim 1, wherein the guiding part (2) comprises a first guiding piece (103), a second guiding piece (104) clamped on the first guiding piece (103), and a pressing piece (105) movably arranged on the second guiding piece (104), a first annular protruding part (102) is formed on the periphery of the first guiding piece (103), a first clamping groove (101) for the first annular protruding part (102) to be placed in is formed on the connecting part (1), and the inner wall of the first guiding piece (103) is in butt joint with the outer contour of a pipeline.
5. The self-sealing quick connector as claimed in claim 4, wherein the first guide member (103) is provided with a viewing port (106) on a peripheral side thereof.
6. The self-sealing quick connector according to claim 4, wherein a second annular protrusion (201) is formed on the peripheral side of the second guide member (104), and a second clamping groove (202) into which the second annular protrusion (201) is inserted is formed on the first guide member (103).
7. The self-sealing quick connector according to claim 4, wherein the first guide member (103) is formed with an annular groove (203), a reed (204) is disposed in the annular groove (203), the pressing member (105) moves up and down, so that an abutting portion of the reed (204) has an extended or collapsed state, and the reed (204) applies a holding force to a peripheral side of the pipe.
8. The self-sealing quick connector according to claim 7, wherein the second guide member (104) is formed with an abutment groove (205), the pressing member (105) is formed with an abutment table (206) on the circumferential side, and the spring (204) continuously provides an upward force to the pressing member (105) so that the abutment table (206) abuts against the abutment groove (205).
9. The self-sealing quick connector according to claim 7, wherein the bottom of the second guide member (104) is located above the annular groove (203) and abuts against the upper part of the reed (204).
10. The self-sealing quick connector as claimed in claim 4, wherein the abutting end of the pressing member (105) is formed with a guiding inclined surface (301).
CN202321950480.9U 2023-07-24 2023-07-24 Self-sealing quick connector Active CN220268761U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202321950480.9U CN220268761U (en) 2023-07-24 2023-07-24 Self-sealing quick connector

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202321950480.9U CN220268761U (en) 2023-07-24 2023-07-24 Self-sealing quick connector

Publications (1)

Publication Number Publication Date
CN220268761U true CN220268761U (en) 2023-12-29

Family

ID=89319211

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202321950480.9U Active CN220268761U (en) 2023-07-24 2023-07-24 Self-sealing quick connector

Country Status (1)

Country Link
CN (1) CN220268761U (en)

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