CN217272683U - Fluoroplastic double self-sealing flange quick joint - Google Patents
Fluoroplastic double self-sealing flange quick joint Download PDFInfo
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- CN217272683U CN217272683U CN202221264049.4U CN202221264049U CN217272683U CN 217272683 U CN217272683 U CN 217272683U CN 202221264049 U CN202221264049 U CN 202221264049U CN 217272683 U CN217272683 U CN 217272683U
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- annular groove
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Abstract
The utility model discloses a fluoroplastic double self-sealing flange quick joint, which comprises a female head body and a male head body, wherein a first mounting hole and a butt jack are arranged in the female head body; the first mounting hole and the second mounting hole are internally provided with valve cores, and the front ends of the two valve cores are opposite; the inner wall of the butt-joint jack is provided with a plurality of small holes communicated with the outside, clamping beads are arranged in the small holes, and the inner sliding sleeve limits the clamping beads to be separated from the small holes; still the cover is equipped with outer sliding sleeve on the inner sliding sleeve outer wall, outer sliding sleeve and inner sliding sleeve outer wall sliding fit, and inner sliding sleeve rotates relatively, and the front end of outer sliding sleeve is equipped with the internal thread, is equipped with the external screw thread on the public first body. The utility model discloses a main material of quick-operation joint is PCTFE, has improved the corrosion resistance that connects greatly, and application scope is wide, through the cooperation of inner sliding sleeve and outer sliding sleeve, has realized safety, quick locking and reinforced (rfd) effect between public head and the female head.
Description
Technical Field
The utility model belongs to the machine parts field especially relates to a fluoroplastics is two from sealing flange quick-operation joint.
Background
With the development of science and technology, in the prior art, when some liquids are conveyed from a conveying vehicle to a storage tank, for the reasons of environmental protection, resource protection, operation safety and the like, the requirements on the sealing performance of drip prevention, leakage prevention and splashing prevention of a joint of a connecting pipe fitting are higher and higher, and the high efficiency of operation is also required to be maintained.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a fluoroplastic is two to proclaim oneself flange quick-operation joint is provided.
The utility model discloses a realize through following technical scheme:
the fluoroplastic double-self-sealing flange quick connector comprises a female connector body and a male connector body, wherein a first mounting hole and a butt-joint jack which are communicated and penetrated with each other are sequentially arranged in the female connector body from left to right, a second mounting hole is arranged in the male connector body, and the male connector body and the butt-joint jack can be matched in a plug-in manner;
the first mounting hole and the second mounting hole are internally provided with valve cores, the front ends of the two valve cores are opposite, and the two valve cores are clamped and pressed in the mounting holes through valve core springs to realize opening/closing; when the female head body is in butt joint with the male head body, the valve core in the first mounting hole is in contact with the valve core in the second mounting hole and mutually abutted, so that the two valve cores are opened;
the inner wall of the butt joint jack is provided with a plurality of small holes communicated with the outside, the small holes are in a conical column shape, the diameter of an inner opening of each small hole is smaller than that of an outer opening, a clamping bead is installed in each small hole, the diameter of each clamping bead is larger than that of the inner opening and smaller than that of the outer opening, an inner sliding sleeve is sleeved on the outer wall of the female head body and is arranged at one end of the butt joint jack, the inner sliding sleeve is in sliding fit with the outer wall of the female head body, and the outer wall of the male head body is provided with a notch matched with the clamping bead; after the male head body and the female head body are spliced, part of the volume of the clamping bead extends into the butt joint jack and is matched with the notch, and the inner sliding sleeve limits the clamping bead to be separated from the small hole;
still the cover is equipped with the outer sliding sleeve on the inner sliding sleeve outer wall, and the outer sliding sleeve setting is in the one end of butt joint hole and partly outstanding outside the inner sliding sleeve, and outer sliding sleeve and inner sliding sleeve outer wall sliding fit, and can rotate relative inner sliding sleeve, and the front end of outer sliding sleeve is equipped with the internal thread, and the male head body is equipped with the external screw thread that can mutually support with the internal thread on the outer sliding sleeve on the corresponding position after the butt joint.
Preferably, the inner wall of the inner sliding sleeve is provided with a first annular groove, the inner sliding sleeve spring in a compression state is installed in the first annular groove, one end of the inner sliding sleeve spring is connected with the inner wall of the first annular groove, the other end of the inner sliding sleeve spring is connected with the outer wall of the female head body, and the outer wall of the female head body is provided with a snap ring for preventing the inner sliding sleeve from being separated from the female head body.
Preferably, the outer wall of the inner sliding sleeve is further provided with a second annular groove, the inner wall of the outer sliding sleeve is provided with a third annular groove, a normal outer sliding sleeve spring is installed in the third annular groove, two ends of the outer sliding sleeve spring are respectively and fixedly provided with a positioning ring sleeved on the second annular groove of the inner sliding sleeve, the positioning ring positioned on the left side is clamped into a mounting groove formed in the inner wall of the third annular groove and limited on the inner wall of the third annular groove, the positioning ring positioned on the right side is clamped into a mounting groove formed in the inner wall of the second annular groove and limited on the outer wall of the second annular groove, and a limiting ring matched with the inner wall of the right side of the second annular groove is arranged on the inner wall of the left side of the third annular groove on the outer sliding sleeve and used for ensuring the space for accommodating the compressed outer sliding sleeve spring and the distance for limiting the forward movement of the outer sliding sleeve.
Preferably, the left end of the first mounting hole and the right end of the second mounting hole are both provided with a valve core anti-return ring, one end of a valve core spring is connected with the valve core anti-return ring, and the other end of the valve core spring is connected with the valve core.
Preferably, a pair of third mounting holes communicated with the second mounting holes and forming tube through holes are further formed in the right side of the second mounting holes, check valve cores are mounted in the third mounting holes, and the compression directions of the check valve cores are consistent with those of the valve cores in the second mounting holes; the check valve core is clamped in the third mounting hole through a check valve spring to realize opening/closing.
Preferably, the outer wall of the valve core is provided with a groove provided with a valve core sealing ring.
Preferably, the inner wall of the butt joint jack is provided with a notch for installing an O-shaped sealing ring, and the O-shaped sealing ring enhances the sealing performance of the male and female connectors during plugging.
Preferably, the female head body, the male head body, the valve core, the clamping bead, the clamping ring, the inner sliding sleeve and the outer sliding sleeve are all made of PCTFE.
Preferably, the female head body and the male head body are both formed by machining.
Preferably, each spring is a metal spring coated with PFA and is corrosion resistant.
The utility model has the advantages that:
the utility model discloses a fluoroplastics is two to proclaim oneself flange quick-operation joint, main material is PCTFE, the corrosion resistance that connects has been improved greatly, make its transportation that can be applicable to high-purity chemicals, shift, application scope is wide, in addition, two case through relative setting, can realize the purpose of two proclaims of proclaiming oneself when putting through fast and breaking off, and the cooperation through interior sliding sleeve and outer sliding sleeve, safety between public head and the female head has been realized, quick locking and reinforced effect, the efficiency and the security of joint have been guaranteed greatly, can avoid the emergence of the weeping condition furthest.
Drawings
For ease of illustration, the invention is described in detail by the following specific examples and figures.
Fig. 1 is a schematic exploded view of the present invention;
FIG. 2 is a schematic view of the male portion inserted into the female portion;
FIG. 3 is a schematic view of a female head structure;
fig. 4 is an enlarged view of a portion a in fig. 3.
Detailed Description
As shown in fig. 1-4, the fluoroplastic double self-sealing flange quick coupling comprises a female coupling body 1 and a male coupling body 2, wherein a first mounting hole and a butt jack 3 which are communicated with each other and penetrate through are sequentially formed in the female coupling body 1 from left to right, a second mounting hole is formed in the male coupling body 2, and the male coupling body 2 and the butt jack 3 can be matched in a plug-in manner;
the first mounting hole and the second mounting hole are internally provided with the valve cores 4, the front ends of the two valve cores 4 are opposite, and the two valve cores 4 are clamped and pressed in the mounting holes through the valve core springs 5 to realize opening/closing; when the female head body 1 is in butt joint with the male head body 2, the valve core 4 in the first mounting hole is contacted with the valve core 4 in the second mounting hole and mutually abutted, so that the two valve cores 4 are opened;
the inner wall of the butt joint jack 3 is provided with a plurality of small holes communicated with the outside, the small holes are in a conical column shape, the diameter of an inner opening of each small hole is smaller than that of an outer opening, a clamping bead 6 is installed in each small hole, the diameter of each clamping bead 6 is larger than that of the inner opening and smaller than that of the outer opening, an inner sliding sleeve 7 is sleeved on the outer wall of the female head body 1, the inner sliding sleeve 7 is arranged at one end of the butt joint jack 3, the inner sliding sleeve 7 is in sliding fit with the outer wall of the female head body 1, and the outer wall of the male head body 2 is provided with a notch matched with the clamping bead 6; after the male head body 2 and the female head body 1 are inserted, part of the volume of the clamping bead 6 extends into the butt-joint jack 3 and is matched with the notch, and the inner sliding sleeve 7 limits the clamping bead 6 to be separated from the small hole;
still the cover is equipped with outer sliding sleeve 8 on the 7 outer walls of inner sliding sleeve, and outer sliding sleeve 8 sets up in the one end of butt joint jack 3 and partially outstanding outside inner sliding sleeve 7, and outer sliding sleeve 8 and 7 outer wall sliding fit of inner sliding sleeve, and can rotate relative inner sliding sleeve 7, and the front end of outer sliding sleeve 8 is equipped with internal thread 9, male head body 1 be equipped with on the corresponding position after the butt joint can with external screw thread 10 of internal thread 9 interfitting on the outer sliding sleeve 8.
Be equipped with first annular groove on the 7 inner walls of inner sliding sleeve, install compression state's inner sliding sleeve spring 11 in the first annular groove, inner sliding sleeve spring 11 one end and first annular groove inner wall connection, the other end and female head body 1's outer wall connection, female head body 1's outer wall is equipped with the snap ring 12 that prevents inner sliding sleeve 7 and deviate from female head body.
Still be equipped with the second annular groove on the outer wall of inner sliding sleeve 7, be equipped with the third annular groove on the 8 inner walls of outer sliding sleeve, install normal state's outer sliding sleeve spring 13 in the third annular groove, all be fixed with one set of holding ring 14 of establishing on the second annular groove of inner sliding sleeve on the both ends of outer sliding sleeve spring 13, it is spacing on third annular groove inner wall to be located left holding ring through the card income establish in the mounting groove 15 on third annular groove inner wall and spacing, the holding ring that is located the right side is through the card income in the mounting groove 15 on a second annular groove inner wall and spacing on second annular outer wall, on outer sliding sleeve 8 third annular groove left side inner wall, be equipped with one with the right side inner wall matched with spacing ring 16 of second annular groove for guarantee hold the outer sliding sleeve spring 13 space of compression and the distance that spacing outer sliding sleeve 8 moved forward.
And the left end of the first mounting hole and the right end in the second mounting hole are both provided with a valve core anti-return ring 17, one end of the valve core spring 5 is connected with the valve core anti-return ring 17, and the other end of the valve core spring is connected with the valve core 4.
A pair of third mounting holes communicated with the second mounting holes and forming tube through holes are further formed in the right side of the second mounting holes, check valve cores are mounted in the third mounting holes, and the compression directions of the check valve cores are consistent with those of the valve cores in the second mounting holes; the check valve core is clamped and pressed in the third mounting hole through a check valve spring to realize opening/closing.
And a groove provided with a valve core sealing ring 18 is formed in the outer wall of the valve core 4.
And a notch for installing an O-shaped sealing ring 19 is formed in the inner wall of the butt joint jack 3, and the O-shaped sealing ring enhances the sealing property when the male and female connectors are plugged.
The female head body 1, the male head body 2, the valve core 4, the clamping bead 6, the clamping ring 12, the inner sliding sleeve 7 and the outer sliding sleeve 8 are all made of PCTFE.
Female head body 1, public head body 2 all through the shaping of car processing.
The right-hand member of public first body 2, the left end of female first body 1 all are equipped with the external screw thread, the right-hand member of public first body 2, the left end of female first body 1 all are equipped with flange 20.
Each spring is a metal spring coated with PFA and is corrosion-resistant.
The tank car is provided with a male head body, and the fixed storage tank is provided with a female head body.
The working process is as follows:
before the male head and the female head are not inserted, the inner sliding sleeve spring 11 is in a compressed state, the outer sliding sleeve spring 13 is in a normal length, and the outer sliding sleeve 8 extends out of one section of the inner sliding sleeve 7;
when the male head needs to be assembled, the outer sliding sleeve 8 is moved to the left, when the outer sliding sleeve 8 cannot move relative to the inner sliding sleeve 7, the inner sliding sleeve 7 is driven to move to the leftmost end relative to the female head body 1, then the male head is inserted, and at the moment, when the female head body 1 is in butt joint with the male head body 2, the valve core 4 in the first installation hole is in contact with the valve core 4 in the second installation hole and is mutually abutted, so that the two valve cores are opened; the public head inserts the back that targets in place, releases outer sliding sleeve 8, and at this moment inner sliding sleeve 7 is through spacing and with female head and public head locking to card pearl 12, and through then rotatory twisting outer sliding sleeve 8 of moving and let between it and the public head interior external screw thread fit fixed locking, further strengthen connecting and prevent the weeping.
Or when the male head needs to be assembled, the inner sliding sleeve 7 is moved to the leftmost end relative to the female head body 1 and then inserted into the male head, and at the moment, when the female head body 1 is in butt joint with the male head body 2, the valve core 4 in the first mounting hole is contacted with the valve core 4 in the second mounting hole and mutually abutted, so that the two valve cores are opened; the public head inserts the back that targets in place, releases inner sliding sleeve 7, and at this moment inner sliding sleeve 7 is through spacing and with female head and public head locking to card pearl 12, then rotatory twisting moves outer sliding sleeve 8 and lets its and public head between the internal and external screw thread cooperation fixed locking, further strengthen connecting and prevent the weeping.
The utility model discloses a fluoroplastics is two to proclaim oneself flange quick-operation joint, main material is PCTFE, the corrosion resistance that connects has been improved greatly, make its transportation that can be applicable to high-purity chemicals, shift, application scope is wide, in addition, two case through relative setting, can realize the purpose of two proclaims of proclaiming oneself when putting through fast and breaking off, and the cooperation through interior sliding sleeve and outer sliding sleeve, safety between public head and the female head has been realized, quick locking and reinforced effect, the efficiency and the security of joint have been guaranteed greatly, can avoid the emergence of the weeping condition furthest. And through the setting of non return valve core, can realize one-way circulation when using again.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that are not thought of through the creative work should be covered within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the protection scope defined by the claims.
Claims (8)
1. The fluoroplastic double self-sealing flange quick connector comprises a female head body and a male head body, and is characterized in that a first mounting hole and a butt-joint jack which are communicated and penetrated mutually are sequentially arranged in the female head body from left to right, a second mounting hole is arranged in the male head body, and the male head body and the butt-joint jack can be matched in a plug-in mode;
the first mounting hole and the second mounting hole are internally provided with valve cores, the front ends of the two valve cores are opposite, and the two valve cores are clamped in the mounting holes through valve core springs to realize opening/closing; when the female head body is in butt joint with the male head body, the valve core in the first mounting hole is in contact with the valve core in the second mounting hole and mutually abutted, so that the two valve cores are opened;
the inner wall of the butt joint jack is provided with a plurality of small holes communicated with the outside, the small holes are in a conical column shape, the diameter of an inner opening of each small hole is smaller than that of an outer opening, a clamping bead is installed in each small hole, the diameter of each clamping bead is larger than that of the inner opening and smaller than that of the outer opening, an inner sliding sleeve is sleeved on the outer wall of the female head body and is arranged at one end of the butt joint jack, the inner sliding sleeve is in sliding fit with the outer wall of the female head body, and the outer wall of the male head body is provided with a notch matched with the clamping bead; after the male head body and the female head body are spliced, part of the volume of the clamping bead extends into the butt joint jack and is matched with the notch, and the inner sliding sleeve limits the clamping bead to be separated from the small hole;
the outer wall of the inner sliding sleeve is also sleeved with an outer sliding sleeve, the outer sliding sleeve is arranged at one end of the butt-joint jack and partially protrudes out of the inner sliding sleeve, the outer sliding sleeve is in sliding fit with the outer wall of the inner sliding sleeve and can rotate relative to the inner sliding sleeve, the front end of the outer sliding sleeve is provided with internal threads, and the male head body is provided with external threads which can be matched with the internal threads on the outer sliding sleeve at the corresponding position after butt joint;
the female head body, the male head body and the valve core are all made of PCTFE.
2. A fluoroplastic double self-sealing flange quick coupling as claimed in claim 1, wherein the inner sliding sleeve is provided with a first annular groove on the inner wall, an inner sliding sleeve spring is installed in the first annular groove in a compressed state, one end of the inner sliding sleeve spring is connected with the inner wall of the first annular groove, the other end of the inner sliding sleeve spring is connected with the outer wall of the female head body, and the outer wall of the female head body is provided with a snap ring for preventing the inner sliding sleeve from coming off the female head body.
3. A fluoroplastic double self-sealing flange quick coupling according to claim 1, the outer wall of the inner sliding sleeve is also provided with a second annular groove, the inner wall of the outer sliding sleeve is provided with a third annular groove, a normal outer sliding sleeve spring is arranged in the third annular groove, two ends of the outer sliding sleeve spring are respectively fixed with a positioning ring sleeved on the second annular groove of the inner sliding sleeve, the positioning ring positioned at the left side is limited on the inner wall of the third annular groove by being clamped into a mounting groove arranged on the inner wall of the third annular groove, the positioning ring positioned at the right side is limited on the second annular outer wall by being clamped into a mounting groove on the inner wall of the second annular groove, a limiting ring matched with the right inner wall of the second annular groove is arranged on the left inner wall of the third annular groove on the outer sliding sleeve, the spring spacing and the distance for limiting the forward movement of the outer sliding sleeve are used for ensuring the space for accommodating the compressed spring of the outer sliding sleeve.
4. A fluoroplastic double self-sealing flange quick coupling as claimed in claim 1, wherein the left end of the first mounting hole and the right end of the second mounting hole are both provided with a valve core anti-return ring, one end of the valve core spring is connected with the valve core anti-return ring, and the other end is connected with the valve core.
5. A fluoroplastic double self-sealing flange quick joint according to claim 1, wherein a pair of third mounting holes communicated with the second mounting holes and forming tube through holes are further formed on the right side of the second mounting holes, check valve cores are mounted in the third mounting holes, and the compression directions of the check valve cores are consistent with those of the valve cores in the second mounting holes; the check valve core is clamped and pressed in the third mounting hole through a check valve spring to realize opening/closing.
6. A fluoroplastic double self-sealing flange quick coupling as claimed in claim 1 wherein the outer wall of the valve core is provided with a groove for installing a valve core sealing ring.
7. A fluoroplastic double self-sealing flange quick coupling as claimed in claim 1 wherein the spool spring is metal spring coated with PFA.
8. A fluoroplastic double self-sealing flange quick connector according to claim 1, wherein the clamping beads, the inner sliding sleeve and the outer sliding sleeve are all made of PCTFE.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221264049.4U CN217272683U (en) | 2022-05-25 | 2022-05-25 | Fluoroplastic double self-sealing flange quick joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221264049.4U CN217272683U (en) | 2022-05-25 | 2022-05-25 | Fluoroplastic double self-sealing flange quick joint |
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| Publication Number | Publication Date |
|---|---|
| CN217272683U true CN217272683U (en) | 2022-08-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221264049.4U Active CN217272683U (en) | 2022-05-25 | 2022-05-25 | Fluoroplastic double self-sealing flange quick joint |
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| CN (1) | CN217272683U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI822343B (en) * | 2022-09-20 | 2023-11-11 | 白翼誌 | Gas valve self-closing device tightening structure |
-
2022
- 2022-05-25 CN CN202221264049.4U patent/CN217272683U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI822343B (en) * | 2022-09-20 | 2023-11-11 | 白翼誌 | Gas valve self-closing device tightening structure |
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