CN215258507U - Quick connector for externally-holding rubber pipe - Google Patents
Quick connector for externally-holding rubber pipe Download PDFInfo
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- CN215258507U CN215258507U CN202121270070.0U CN202121270070U CN215258507U CN 215258507 U CN215258507 U CN 215258507U CN 202121270070 U CN202121270070 U CN 202121270070U CN 215258507 U CN215258507 U CN 215258507U
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Abstract
The utility model discloses a quick connector for an outer holding rubber pipe, which comprises at least two claws, an outer sleeve, a piston and a rear connecting seat; the claw is enclosed into a claw sleeve with a central through hole, the claw sleeve and the piston are coaxially arranged in an accommodating cavity in the outer sleeve from front to back in sequence, and the outer peripheral surface of the piston is in sealing fit with the inner wall of the outer sleeve and can slide relatively; the opening end of the clamping claw sleeve is tightened and then matched with the front end of the rear connecting seat to clamp one end of the rubber pipe, the connecting end of the clamping claw sleeve is clamped with the front end of the piston, and the piston is pushed to reciprocate back and forth to drive the clamping claw sleeve to move back and forth along the axial direction, so that the clamping and releasing of the rubber pipe are realized; the piston is provided with a central through hole, the front end of the rear connecting seat penetrates through the central through hole of the piston, the inner wall of the piston is in sealing fit with the outer peripheral surface of the middle part of the rear connecting seat and can slide along the outer peripheral surface of the middle part of the rear connecting seat, the rear end of the rear connecting seat is fixedly connected with the rear end of the outer sleeve in a sealing way, and the rear connecting seat is provided with the central through hole. The utility model discloses the simple operation is high-efficient, and the installation is dismantled portably, grease proofing antiskid, and sealed effect is better.
Description
Technical Field
The utility model belongs to the technical field of quick connector equipment, in particular to embrace rubber tube quick connector outward.
Background
At present, when equipment or a soft rubber pipe is subjected to a leakage test, the equipment or the soft rubber pipe needs to be sealed and then is ventilated or pumped out to determine whether a tested piece has a leakage problem, so that the sealing of the pipe fitting is very important. In the prior art, the mode of sealing and connecting the pipe fittings usually adopts a hoop for tightening, so that the method is inconvenient to install and disassemble, the reliability of sealing and connecting is easy to influence, and the sealing effect is poor; or other split detachable connecting mechanisms are adopted for combined sealing, but the method is also inconvenient to install and detach, has larger volume and can not be used under the condition of smaller gap at the periphery of the pipe orifice. Therefore, it is necessary to develop a quick connector which can improve the production efficiency, is reliable in sealing and is convenient to operate.
Disclosure of Invention
The utility model discloses a solve the technical problem that exists among the well-known art and provide a embrace rubber tube high-speed connector outward, this high-speed connector closes through the parallel of a plurality of jack catchs and angle and embraces the rubber tube tightly, grease proofing, antiskid, under the condition of no sealing washer, through the mode of interior propping outer armful, the realization is to the shutoff of rubber tube.
The utility model discloses a solve the technical scheme that technical problem that exists among the well-known technique took and be:
a quick connector for an externally-embracing rubber pipe comprises at least two clamping jaws, an outer sleeve, a piston and a rear connecting seat;
the claw is enclosed into a claw sleeve with a central through hole, the claw sleeve and the piston are coaxially arranged in an accommodating cavity in the outer sleeve from front to back in sequence, and the outer peripheral surface of the piston is in sealing fit with the inner wall of the outer sleeve and can slide relatively;
the clamping jaw sleeve is divided into an opening end and a connecting end, the opening end of the clamping jaw sleeve is matched with the front end of the rear connecting seat to clamp one end of the rubber pipe after being tightened, the connecting end of the clamping jaw sleeve is clamped with the front end of the piston, and the piston is pushed to reciprocate back and forth to drive the clamping jaw sleeve to move back and forth along the axial direction so as to clamp and release the rubber pipe;
the piston is provided with a central through hole, the front end of the rear connecting seat penetrates through the central through hole of the piston, the inner wall of the piston is in sealing fit with the outer peripheral surface of the middle part of the rear connecting seat and can slide along the outer peripheral surface of the piston, the rear end of the rear connecting seat is fixedly connected with the rear end of the outer sleeve in a sealing way, and the rear connecting seat is provided with the central through hole.
In the technical scheme, it is preferred, the inner wall of overcoat is the notch cuttype structure, by preceding to be formed with first annular backstop and second annular backstop respectively after to, is located have the clearance between the overcoat of first annular backstop department and the jack catch cover, clearance department installs jump ring one, second annular backstop is used for spacing to piston forward motion stroke scope backstop, piston backward motion stroke scope is spacing by back connecting seat backstop.
In the above technical scheme, preferably, a clamp spring groove is formed in the inner wall of the clamp claw sleeve, a clamp spring II is arranged in the clamp spring groove, and the clamp spring II enables the clamp claw sleeve to increase the inner diameter of the clamp claw sleeve when the clamp claw sleeve is not extruded, so that the rubber pipe can be smoothly separated.
In the technical scheme, it is preferred, air inlet through-hole one and air inlet through-hole two have been seted up on the overcoat lateral wall, movable cavity one between piston and the overcoat link up with air inlet through-hole one mutually, movable cavity two between piston and the back connecting seat link up with air inlet through-hole two mutually, aerify in order to promote through air inlet through-hole two the piston moves forward, the piston drives the jack catch cover and moves forward, and the internal contraction is inwards held under the limiting action of jump ring one to the rubber tube one end of holding tightly the connection, through aerifing in order to promote to air inlet through-hole one the piston moves backward, the piston drives jack catch cover and moves backward, jack catch cover internal diameter grow under the effect of jump ring two to release the rubber tube one end of connection.
In the technical scheme, preferably, a first annular groove is formed in the inner wall of the outer sleeve between the first annular stop and the second annular stop, and a first O-shaped ring is arranged in the first annular groove, so that the inner wall of the outer sleeve is in sealing fit with the front part of the piston.
In the above technical scheme, preferably, a second annular groove is formed in the outer peripheral surface of the rear portion of the piston, and a second O-ring is arranged in the second annular groove, so that the rear portion of the piston is in sealing fit with the inner wall of the outer sleeve.
In the above technical scheme, preferably, an annular groove III is formed in the inner wall of the rear portion of the piston, and an O-shaped ring III is arranged in the annular groove III, so that the rear portion of the piston is in sealing fit with the rear connecting seat.
In the above technical scheme, preferably, an annular groove four is formed in the end face, attached to the outer sleeve, of the rear connecting seat, and an O-shaped ring four is arranged in the annular groove four.
In the above technical scheme, preferably, an annular groove is formed in the outer peripheral surface, attached to the inner wall of the rubber tube, of the front end of the rear connecting seat, so that the friction force between the rubber tube and the rear connecting seat is increased.
The utility model has the advantages and positive effects that:
the utility model adopts a brand new technical proposal, and controls the pressure at the front side and the rear side of the piston by respectively inflating the two air inlet through holes, and the piston drives the clamping jaw sleeve to move back and forth, so that the clamping jaw sleeve can be tightly held or release the rubber tube; the utility model discloses a quick connector simple operation, high efficiency, the installation is dismantled portably, does benefit to the maintenance, and grease proofing, antiskid under the condition of no sealing washer, through the mode of interior propping outer armful, realize the shutoff to the rubber tube, sealed effect is better, has better practical application and worth and spreading value.
Drawings
Fig. 1 is a schematic structural view of an external rubber tube quick connector according to a preferred embodiment of the present invention;
fig. 2 is a schematic structural view of an outer cover provided in a preferred embodiment of the present invention;
fig. 3 is a schematic structural view of a pawl sleeve according to a preferred embodiment of the present invention;
FIG. 4 is a left side view of FIG. 3;
fig. 5 is a schematic structural diagram of a piston provided in a preferred embodiment of the present invention;
fig. 6 is a schematic structural diagram of the rear connection seat according to the preferred embodiment of the present invention.
In the figure: 1. a hose; 2. a jacket; 21. a first air inlet through hole; 22. a second air inlet through hole; 23. a first annular stop; 24. A second annular stop; 25. a first annular groove; 3. a claw sleeve; 31. a claw; 32. a clamp spring groove; 4. a first O-shaped ring; 5. A piston; 51. a second annular groove; 52. a third annular groove; 6. an O-shaped ring II; 7. a screw; 8. a rear connecting seat; 81. a fourth annular groove; 82. an annular groove; 9. an O-shaped ring III; 10. a second clamp spring; 11. a clamp spring I; 12. a first movable cavity; 13. A second movable cavity; 14. and an O-shaped ring IV.
Detailed Description
For further understanding of the contents, features and effects of the present invention, the following embodiments are exemplified and will be described in detail with reference to the accompanying drawings:
in the description of the present invention, it is to be understood that the terms "upper", "lower", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and simplification of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "fixed" are used in a broad sense, and may be, for example, fixedly connected, detachably connected, or integrally connected; may be a mechanical connection; can be directly connected or indirectly connected through an intermediate medium; there may be communication between the interiors of the two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
Referring to fig. 1 to 6, an embodiment of the present invention provides an external rubber tube fast connector, which includes four claws 31, an outer sleeve 2, a piston 5, and a rear connecting seat 8;
the four claws 31 form a claw sleeve 3 with a central through hole in a surrounding manner, the claw sleeve 3 and the piston 5 are coaxially arranged in an accommodating cavity in the outer sleeve 2 from front to back in sequence, and the outer peripheral surfaces of the claw sleeve 3 and the piston 5 are in sealing fit with the inner wall of the outer sleeve 2 and can slide relatively; the clamping jaw sleeve 3 is divided into an opening end and a connecting end, the opening end of the clamping jaw sleeve 3 is matched with the front end of the rear connecting seat 8 to clamp one end of the rubber tube 1 after being tightened, the connecting end of the clamping jaw sleeve 3 is clamped with the front end of the piston 5, and the piston 5 is pushed to reciprocate back and forth to drive the clamping jaw sleeve 3 to move back and forth along the axial direction so as to clamp and release the rubber tube 1;
the piston 5 is provided with a central through hole, the front end of the rear connecting seat 8 penetrates through the central through hole of the piston 5, the inner wall of the piston 5 is in sealing fit with the outer peripheral surface of the middle part of the rear connecting seat 8 and can slide along the outer peripheral surface of the piston, the rear end of the rear connecting seat 8 is fixedly connected with the rear end of the outer sleeve 2 in a sealing mode through a screw 7, and the rear connecting seat 8 is provided with a central through hole.
The inner wall of overcoat 2 is the notch cuttype structure, is formed with first annular backstop 23 and second annular backstop 24 respectively by preceding to the back, is located have the clearance between overcoat 2 of first annular backstop 23 department and the jack catch cover 3, and a jump ring 11 is installed to clearance department, second annular backstop 24 is used for spacing to 5 forward motion stroke ranges backstops of piston, 5 backward motion stroke ranges of piston are spacing by 8 backstops of back connecting seat.
The inner wall of the jaw sleeve 3 is provided with a clamp spring groove 32, a clamp spring II 10 is arranged in the clamp spring groove 32, and the clamp spring II enables the jaw sleeve to increase the inner diameter of the jaw sleeve when the jaw sleeve is not extruded, so that the rubber pipe can be smoothly separated.
Seted up air inlet through-hole one 21 and air inlet through-hole two 22 on the 2 lateral walls of overcoat, movable cavity one 12 between piston 5 and the overcoat 2 link up with air inlet through-hole one 21 mutually, movable cavity two 13 between piston 5 and the back connecting seat 8 link up with air inlet through-hole two 22 mutually, aerify in order to promote through air inlet through-hole one 21 piston 5 backward motion, piston 5 drives 3 backward motion of jack catch cover, and 3 internal diameters grow of jack catch cover under the effect of two 10 of jack catch to 1 one end of rubber tube of release connection. The piston 5 moves forwards by inflating the air inlet through hole II 22, the piston 5 drives the claw sleeve 3 to move forwards, and the inner diameter of the claw sleeve 3 contracts under the action of the clamp spring I11 so as to tightly hold one end of the connected rubber pipe 1.
And a first annular groove 25 is formed in the inner wall of the outer sleeve 2 between the first annular stop 23 and the second annular stop 24, and a first O-shaped ring 4 is arranged in the first annular groove 25, so that the inner wall of the outer sleeve 2 is in sealing fit with the front part of the piston 5. And a second annular groove 51 is formed in the outer peripheral surface of the rear part of the piston 5, and an O-shaped ring 6 is arranged in the second annular groove 51, so that the rear part of the piston 5 is in sealing fit with the inner wall of the outer sleeve 2. An annular groove III 52 is formed in the inner wall of the rear portion of the piston 5, and an O-shaped ring III 9 is arranged in the annular groove III 52, so that the rear portion of the piston 5 is in sealing fit with the rear connecting seat 8. And the back connecting seat 8 is provided with a fourth annular groove 81 on the end surface attached to the outer sleeve 2, and the fourth annular groove 81 is internally provided with a fourth O-shaped ring 14. The movable cavities in front of and behind the piston 5 have better air tightness by arranging the O-shaped rings.
An annular groove 82 is formed in the outer peripheral surface, attached to the inner wall of the rubber tube 1, of the front end of the rear connecting seat 8, so that friction between the rubber tube 1 and the rear connecting seat 8 is increased.
When testing is carried out, firstly, two air inlet through holes of the quick connector are respectively connected with a quick connection plug, the through hole at the rear end of the rear connecting seat 8 is connected with a locking connector, then the rubber tube 1 is sleeved between the front end of the rear connecting seat 8 and the claw sleeve 3, the air is filled into the movable cavity II 13 through the air inlet through hole II 22, the piston 5 is pushed to move horizontally forwards, the claw sleeve 3 is further driven to move forwards along the axial direction, the inner diameter of the claw sleeve 3 is contracted under the action of the clamp spring I11 so as to tightly hold one end of the connected rubber tube 1, the front end of the rear connecting seat 8 plays a role in supporting the rubber tube 1, and the locking and sealing effects of the claw sleeve 3 outside the rubber tube 1 are ensured; high-pressure gas or other testing media are led in from the central through hole of the rear connecting seat 8, and the high-pressure gas or the testing media enter the rubber tube 1 to be tested after passing through the central through hole of the rear connecting seat 8. After the test is finished, the air is filled into the movable cavity I12 through the air inlet through hole I21, the piston 5 is pushed to move horizontally backwards, the claw sleeve 3 is further driven to move backwards along the axial direction, the inner diameter of the claw sleeve 3 is enlarged under the action of the clamp spring II 10, the rubber pipe 1 is released, and the sealing test is finished.
The utility model controls the pressure of the front and back sides of the piston 5 by respectively inflating the two air inlet through holes, and drives the claw sleeve 3 to move back and forth by the piston 5, so that the claw sleeve 3 can be tightly held or the rubber tube 1 can be released; the utility model discloses a quick connector simple operation, high efficiency, the installation is dismantled portably, does benefit to the maintenance, and grease proofing, antiskid under the condition of no sealing washer, through the mode of interior propping outer armful, realize the shutoff to rubber tube 1, sealed effect is better, has better practical application and worth and spreading value.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any form, and all the changes and modifications equivalent to any simple modification made by the technical entity of the present invention to the above embodiments are within the scope of the technical solution of the present invention.
Claims (9)
1. The utility model provides an embrace rubber tube quick connector outward which characterized in that: comprises at least two clamping jaws, an outer sleeve, a piston and a rear connecting seat;
the claw is enclosed into a claw sleeve with a central through hole, the claw sleeve and the piston are coaxially arranged in an accommodating cavity in the outer sleeve from front to back in sequence, and the outer peripheral surface of the piston is in sealing fit with the inner wall of the outer sleeve and can slide relatively;
the clamping jaw sleeve is divided into an opening end and a connecting end, the opening end of the clamping jaw sleeve is matched with the front end of the rear connecting seat to clamp one end of the rubber pipe after being tightened, the connecting end of the clamping jaw sleeve is clamped with the front end of the piston, and the piston is pushed to reciprocate back and forth to drive the clamping jaw sleeve to move back and forth along the axial direction, so that the clamping and releasing of the rubber pipe are realized;
the piston is provided with a central through hole, the front end of the rear connecting seat penetrates through the central through hole of the piston, the inner wall of the piston is in sealing fit with the outer peripheral surface of the middle part of the rear connecting seat and can slide along the outer peripheral surface of the piston, the rear end of the rear connecting seat is fixedly connected with the rear end of the outer sleeve in a sealing way, and the rear connecting seat is provided with the central through hole.
2. The quick connector for an outer rubber surrounding pipe as claimed in claim 1, wherein: the inner wall of overcoat is the notch cuttype structure, is formed with first annular backstop and second annular backstop respectively by preceding to the back, is located have the clearance between the overcoat of first annular backstop department and the jack catch cover, clearance department installs jump ring one, second annular backstop is used for spacing to piston forward motion stroke scope backstop, piston backward motion stroke scope is spacing by back connecting seat backstop.
3. The quick connector for an outer rubber surrounding pipe as claimed in claim 1, wherein: the inner wall of the jaw sleeve is provided with a clamp spring groove, a clamp spring II is arranged in the clamp spring groove, and the clamp spring II enables the jaw sleeve to increase the inner diameter of the jaw sleeve when the jaw sleeve is not extruded, so that the rubber pipe can be smoothly separated.
4. The quick connector for an outer rubber surrounding pipe as claimed in claim 2 or 3, wherein: the utility model discloses a clamp spring, including the outer cover, the outer cover is equipped with the air inlet through-hole, the air inlet through-hole is two, the activity cavity between piston and the outer cover is one and is link up with air inlet through-hole one, activity cavity two between piston and the back connecting seat link up with air inlet through-hole two mutually, aerifys in order to promote through air inlet through-hole two the piston forward motion, the piston drives the jack catch cover and moves forward, and the internal contraction is inwards followed to the restriction effect of jack catch one to hold tightly the rubber tube one end of connecting, through aerifing in order to promote to air inlet through-hole one the piston rearward motion, the piston drives jack catch cover rearward motion, jack catch cover internal diameter grow under the effect of jack catch two to the rubber tube one end of release connection.
5. The quick connector for an outer rubber surrounding pipe as claimed in claim 1, wherein: and a first annular groove is formed in the inner wall of the outer sleeve between the first annular stop and the second annular stop, and a first O-shaped ring is arranged in the first annular groove, so that the inner wall of the outer sleeve is in sealing fit with the front part of the piston.
6. The quick connector for an outer rubber surrounding pipe as claimed in claim 1, wherein: and a second annular groove is formed in the outer peripheral surface of the rear part of the piston, and a second O-shaped ring is arranged in the second annular groove, so that the rear part of the piston is in sealing fit with the inner wall of the outer sleeve.
7. The quick connector for an outer rubber surrounding pipe as claimed in claim 1, wherein: and a third annular groove is formed in the inner wall of the rear part of the piston, and a third O-shaped ring is arranged in the third annular groove, so that the rear part of the piston is in sealing fit with the rear connecting seat.
8. The quick connector for an outer rubber surrounding pipe as claimed in claim 1, wherein: and the rear connecting seat is provided with a fourth annular groove on the end surface attached to the outer sleeve, and the fourth annular groove is internally provided with a fourth O-shaped ring.
9. The quick connector for an outer rubber surrounding pipe as claimed in claim 1, wherein: an annular groove is formed in the outer peripheral face, attached to the inner wall of the rubber pipe, of the front end of the rear connecting seat, so that friction between the rubber pipe and the rear connecting seat is increased.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121270070.0U CN215258507U (en) | 2021-06-07 | 2021-06-07 | Quick connector for externally-holding rubber pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121270070.0U CN215258507U (en) | 2021-06-07 | 2021-06-07 | Quick connector for externally-holding rubber pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215258507U true CN215258507U (en) | 2021-12-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121270070.0U Active CN215258507U (en) | 2021-06-07 | 2021-06-07 | Quick connector for externally-holding rubber pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215258507U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117028705A (en) * | 2023-10-09 | 2023-11-10 | 江苏博特威流体科技有限公司 | Ball valve for pneumatic diaphragm pump |
-
2021
- 2021-06-07 CN CN202121270070.0U patent/CN215258507U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117028705A (en) * | 2023-10-09 | 2023-11-10 | 江苏博特威流体科技有限公司 | Ball valve for pneumatic diaphragm pump |
| CN117028705B (en) * | 2023-10-09 | 2024-04-02 | 江苏博特威流体科技有限公司 | Ball valve for pneumatic diaphragm pump |
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