CN219493401U - Reducing pipe quick detach connecting piece - Google Patents
Reducing pipe quick detach connecting piece Download PDFInfo
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- CN219493401U CN219493401U CN202320663931.4U CN202320663931U CN219493401U CN 219493401 U CN219493401 U CN 219493401U CN 202320663931 U CN202320663931 U CN 202320663931U CN 219493401 U CN219493401 U CN 219493401U
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Abstract
The utility model relates to a reducing pipe quick-dismantling connector. The reducing pipe connecting piece solves the problems that a reducing pipe connecting piece in the prior art is not flexible enough to use and inconvenient to assemble and disassemble. The connecting device comprises a threaded connecting sleeve, one end of the threaded connecting sleeve is in threaded connection with a small-diameter pipe fitting connecting component, the other end of the threaded connecting sleeve is in threaded connection with a large-diameter pipe fitting connecting component, the small-diameter pipe fitting connecting component is connected with one end of the large-diameter pipe fitting connecting component through an extension pipe in a threaded manner, the extension pipe is located in the threaded connecting sleeve, one end of the extension pipe is fixedly connected with the small-diameter pipe fitting connecting component, and the small-diameter pipe fitting connecting component and the large-diameter pipe fitting connecting component are both provided with plug-in type circumferential sealing mechanisms at one end far away from the threaded connecting sleeve. The utility model has the advantages that: the disassembly and assembly are convenient, the use is flexible, and the connection stability is good.
Description
Technical Field
The utility model relates to the technical field of pipes, in particular to a reducing pipe quick-release connector.
Background
With the development of urban construction, pipes are used in many fields and industries, and in the fields of construction, chemical industry, machinery and the like, pipes with different pipe diameters, in particular hoses, are usually required to be connected, and hoses with large pipe diameters and small pipe diameters are often required to be connected. For connection of different-diameter hoses, a joint is generally adopted for connection, one end of the joint is large, the other end of the joint is small, the hoses with different pipe diameters are respectively sleeved at two ends of the joint when the hose is used, and finally, the hose is fastened by a clamp after being wrapped by broken cloth. The connecting mode is complex in operation, thin in structure, cannot bear large pressure in the pipe, is inconvenient to use, and is frequently leaked at the connecting position; in addition, the existing reducing pipe connecting piece is difficult to adjust the connecting length according to actual needs, is inconvenient to assemble and disassemble and has poor use flexibility.
In order to solve the defects existing in the prior art, long-term exploration is performed, and various solutions are proposed. For example, chinese patent literature discloses a watertight connector [ CN201820355792.8] for connecting reducing pipes, which comprises a connector body, further comprising a connecting nut, the connector body comprising a conical protrusion hollow inside, the conical protrusion comprising a straight cylindrical pipe section and a conical cylindrical pipe section, the conical protrusion being screwed with a large pipe diameter pipe by connecting threads provided on an outer wall of the straight cylindrical pipe section, the conical cylindrical pipe section being connected with a small pipe diameter pipe by the connecting nut.
The above-mentioned scheme has solved the complicated and not good problem of leakproofness of the connected mode complex operation of reducing pipe connecting piece among the prior art to a certain extent, but this scheme still has a great deal of shortages, for example: the reducing pipe connecting piece is difficult to adjust the connecting length according to actual needs, and the tightness is poor, so that the using effect is affected.
Disclosure of Invention
The utility model aims to solve the problems and provides a reducing pipe quick-release connector.
In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides a reducing pipe quick detach connecting piece, includes threaded connection sleeve, threaded connection sleeve one end threaded connection has minor diameter pipe fitting coupling assembling, and other end threaded connection has major diameter pipe fitting coupling assembling, links to each other through the extension pipe screw thread between minor diameter pipe fitting coupling assembling and the major diameter pipe fitting coupling assembling one end, and the extension pipe is arranged in threaded connection sleeve and one end is fixed to be received with minor diameter pipe fitting coupling assembling, and minor diameter pipe fitting coupling assembling and major diameter pipe fitting coupling assembling keep away from threaded connection telescopic one end all are equipped with plug-in type circumference sealing mechanism.
Through set up threaded connection sleeve between minor diameter pipe fitting coupling assembling and major diameter pipe fitting coupling assembling, make minor diameter pipe fitting coupling assembling and major diameter pipe fitting coupling assembling can freely adjust the connection length, improved the flexibility of use to set up the extension pipe between minor diameter pipe fitting coupling assembling and major diameter pipe fitting coupling assembling, can improve the connection tightness, simultaneously, set up plug-in type circumference sealing mechanism at minor diameter pipe fitting coupling assembling and major diameter pipe fitting coupling assembling tip and can effectively ensure sealing performance, the dismouting is convenient moreover.
In the above-mentioned reducing pipe quick detach connecting piece, minor diameter pipe fitting coupling assembling includes minor diameter connecting pipe body, and minor diameter connecting pipe body is gone up one end and is equipped with threaded connection portion, and is equipped with the first gland nut that is located threaded connection sleeve one end outside and is used for compressing tightly threaded connection sleeve one end on the threaded connection portion, and minor diameter connecting pipe body other end has the minor diameter pipe body connecting portion that is used for connecting outside minor diameter pipe fitting.
The position of one end of the threaded connection sleeve can be limited and pressed through the first compression nut, so that the connection stability is effectively improved, and the sealing performance is improved.
In the reducing pipe quick-dismantling connecting piece, the first threaded portions are arranged on the inner walls of the two ends of one end of the threaded connecting sleeve in the circumferential direction, the first threaded portions are in threaded connection with the threaded connecting portions, and the diameter of the first compression nut is larger than the inner diameter of the first threaded portions.
In the above-mentioned reducing pipe quick detach connecting piece, major diameter pipe fitting coupling assembling includes the major diameter connecting pipe body, and major diameter connecting pipe body one end has double-sided screw thread portion, and foretell extension pipe threaded connection is in double-sided screw thread portion circumference inboard, and the major diameter connecting pipe body other end is equipped with the major diameter body connecting portion that is used for connecting outside major diameter pipe fitting, and the diameter of major diameter body connecting portion is greater than the diameter of double-sided screw thread portion.
The double-sided threaded part can be in threaded connection with the extension pipe, so that connection stability is improved.
In the reducing pipe quick-release connecting piece, the double-sided thread part is provided with the second compression nut used for compressing one end of the threaded connecting sleeve, the circumferential inner wall of one end of the threaded connecting sleeve is provided with the second thread part, the double-sided thread part is in threaded connection with the circumferential inner side of one end of the threaded connecting sleeve through the second thread part, and the diameter of the second compression nut is larger than the inner diameter of the second thread part.
The second gland nut can limit and compress tightly the threaded connection sleeve other end, improves the leakproofness of the threaded connection sleeve other end.
In the quick-dismantling connector for reducing pipes, the plug-in type circumferential sealing mechanism comprises an annular positioning groove arranged on the large-diameter pipe body connecting part or the small-diameter pipe body connecting part, an annular positioning sleeve is arranged on the annular positioning groove, and the end part of the large-diameter pipe body connecting part or the small-diameter pipe body connecting part is movably provided with a sealing plug-in assembly which is mutually engaged with the annular positioning sleeve and can seal gaps between the large-diameter pipe fitting and the circumference of the large-diameter pipe body connecting part or between the small-diameter pipe fitting and the circumference of the small-diameter pipe body connecting part.
In the reducing pipe quick-release connector, the annular positioning sleeve comprises an inner ring body arranged in the annular positioning groove, an outer ring body is arranged on the outer side of the circumference of the inner ring body, the outer ring body is connected with one side of the inner ring body through an annular limiting part, and an annular limiting inserting cavity is formed between the circumference of the outer ring body and the circumference of the inner ring body.
In the reducing pipe quick-release connector, the sealing plug assembly comprises a plug sleeve body, a plug connection portion which is arranged corresponding to the annular limiting plug cavity is arranged in the circumferential direction of the plug sleeve body, an annular plug seal portion is arranged on the circumferential inner side of the plug sleeve body, and a yielding gap is reserved between the annular plug seal portion and the plug connection portion.
Can effectively seal the connection gap piece through annular grafting sealing portion, prevent to leak to through the mutual grafting of grafting connecting portion and the spacing grafting chamber of annular continuous, further improved circumference sealed effect.
In the reducing pipe quick-release connector, the circumferential outer wall of the inner ring body is kept flush with the circumferential outer wall of the large-diameter pipe body connecting part or the small-diameter pipe body connecting part.
In the reducing pipe quick-release connector, the second compression nut is limited through one end of the connecting part of the large-diameter pipe body, and the first compression nut is limited through the plug-in type circumferential sealing mechanism arranged on the small-diameter connecting pipe body.
Compared with the prior art, the utility model has the advantages that: the simple operation uses in a flexible way, when being connected the reducing pipe, can adjust the connection length in order to adapt different joint distance to can effectively improve the connection tightness through double-sided threaded connection's mode, secondly, can improve the sealed effect of connector department through plug-in type circumference sealing mechanism, whole dismantlement installation is more convenient moreover.
Drawings
FIG. 1 is a schematic view of the overall structure of the present utility model;
FIG. 2 is a cross-sectional view of the present utility model;
FIG. 3 is a schematic view of a large diameter connection pipe body according to the present utility model;
FIG. 4 is a schematic view of the annular positioning kit of the present utility model;
FIG. 5 is a cross-sectional view of a seal plug assembly of the present utility model;
in the figure: the threaded connection sleeve 1, the first threaded portion 11, the second threaded portion 12, the small diameter pipe connection assembly 2, the small diameter connection pipe body 21, the threaded connection portion 22, the first compression nut 23, the small diameter pipe connection portion 24, the large diameter pipe connection assembly 3, the large diameter connection pipe body 31, the double-sided threaded portion 32, the large diameter pipe connection portion 33, the second compression nut 34, the extension pipe 4, the plug-in circumferential seal mechanism 5, the annular positioning groove 51, the annular positioning sleeve 52, the inner ring 521, the outer ring 522, the annular limiting portion 523, the annular limiting plug cavity 524, the sealing plug assembly 53, the plug-in sleeve 531, the plug-in connection 532, the annular plug-in seal 533, and the relief gap 534.
Detailed Description
The utility model will be described in further detail with reference to the drawings and the detailed description.
As shown in fig. 1-2, a reducing pipe quick-release connector comprises a threaded connection sleeve 1, one end of the threaded connection sleeve 1 is in threaded connection with a small-diameter pipe fitting connection assembly 2, the other end of the threaded connection sleeve is in threaded connection with a large-diameter pipe fitting connection assembly 3, the small-diameter pipe fitting connection assembly 2 is in threaded connection with one end of the large-diameter pipe fitting connection assembly 3 through an extension pipe 4, the extension pipe 4 is located in the threaded connection sleeve 1, one end of the extension pipe is fixedly connected with the small-diameter pipe fitting connection assembly 2, and the small-diameter pipe fitting connection assembly 2 and one end, far away from the threaded connection sleeve 1, of the large-diameter pipe fitting connection assembly 3 are respectively provided with a plug-in type circumferential sealing mechanism 5.
During the use, according to the connection interval, adjust the threaded connection length of major diameter pipe fitting coupling assembling 3 and threaded connection sleeve 1, then with minor diameter pipe fitting coupling assembling 2 and threaded connection sleeve 1 to make extension pipe 4 and major diameter pipe fitting coupling assembling 3 be located the one end of threaded connection sleeve 1 and carry out threaded connection, seal connector department through plug-in type circumference sealing mechanism 5 after connecting the reducing pipe fitting.
The small-diameter pipe fitting connecting assembly 2 comprises a small-diameter connecting pipe body 21, a threaded connecting portion 22 is arranged at one end of the small-diameter connecting pipe body 21, a first compression nut 23 which is located outside one end of the threaded connecting sleeve 1 and used for compressing one end of the threaded connecting sleeve 1 is arranged on the threaded connecting portion 22, and a small-diameter pipe body connecting portion 24 used for connecting an external small-diameter pipe fitting is arranged at the other end of the small-diameter connecting pipe body 21.
A rubber gasket can be arranged between the first compression nut 23 and the threaded connection sleeve 1 to improve the sealing effect and be used for sealing the threaded connection sleeve.
Further, the first screw thread portion 11 is provided on the circumferential inner wall at both ends of one end of the screw thread connecting sleeve 1, and the first screw thread portion 11 is screw-connected with the screw thread connecting portion 22, and the diameter of the first compression nut 23 is larger than the inner diameter of the first screw thread portion 11.
This arrangement facilitates the compression limiting of the threaded connection sleeve 1 by the first compression nut 23.
Specifically, the large-diameter pipe connection assembly 3 includes a large-diameter connection pipe body 31, one end of the large-diameter connection pipe body 31 has a double-sided screw portion 32, and the extension pipe 4 described above is screw-connected to the inner side in the circumferential direction of the double-sided screw portion 32, the other end of the large-diameter connection pipe body 31 is provided with a large-diameter pipe body connection portion 33 for connecting an external large-diameter pipe, and the diameter of the large-diameter pipe body connection portion 33 is larger than that of the double-sided screw portion 32.
Threads are provided on the inner and outer walls of the double-sided screw portion 32, so that the threaded connection sleeve 1 and the extension pipe 4 are respectively screwed.
Specifically, the double-sided screw portion 32 is provided with a second compression nut 34 for compressing one end of the threaded connection sleeve 1, the circumferential inner wall of one end of the threaded connection sleeve 1 is provided with a second screw portion 12, the double-sided screw portion 32 is screwed to the circumferential inner side of one end of the threaded connection sleeve 1 through the second screw portion 12, and the diameter of the second compression nut 34 is larger than the inner diameter of the second screw portion 12.
A sealing rubber gasket can be arranged between the second compression nut 34 and the threaded connection sleeve 1.
As shown in fig. 3, the plug-in type circumferential sealing mechanism 5 includes an annular positioning groove 51 provided on the large diameter pipe body connecting portion 33 or the small diameter pipe body connecting portion 24, an annular positioning sleeve 52 is provided on the annular positioning groove 51, and the end portion of the large diameter pipe body connecting portion 33 or the small diameter pipe body connecting portion 24 is movably provided with a sealing plug-in component 53 which is engaged with the annular positioning sleeve 52 and can seal a gap between the large diameter pipe and the large diameter pipe body connecting portion 33 or between the small diameter pipe and the small diameter pipe body connecting portion 24 in the circumferential direction.
As shown in fig. 4, the annular positioning sleeve 52 includes an inner ring 521 disposed in the annular positioning groove 51, an outer ring 522 is disposed on the outer side of the inner ring 521 in the circumferential direction, and the outer ring 522 is connected to one side of the inner ring 521 by an annular limiting portion 523, and an annular limiting insertion cavity 524 is formed between the outer ring 522 and the inner ring 521 in the circumferential direction.
As shown in fig. 5, the sealing plug assembly 53 includes a plug sleeve body 531, a plug connection portion 532 corresponding to the annular limiting plug cavity 524 is circumferentially provided on the plug sleeve body 531, an annular plug seal portion 533 is circumferentially provided on the inner side of the plug sleeve body 531, and a relief gap 534 is provided between the annular plug seal and the plug connection portion 532.
The circumferential inner wall of the end of the large-diameter pipe body connecting portion 33 or the small-diameter pipe body connecting portion 24 is provided with an annular limiting step, the rear end of the limiting step is provided with a threaded inner wall for connecting an external pipe fitting, when the annular plug-in sealing portion 533 is inserted into the circumferential inner wall of the end of the large-diameter pipe body connecting portion 33 or the small-diameter pipe body connecting portion 24, the end of the annular plug-in sealing portion is abutted against the annular limiting step, and the plug-in connecting portion 532 is inserted into the annular limiting plug-in cavity 524 to form a seal.
Still further, the outer circumferential wall of the inner ring 521 is kept flush with the outer circumferential wall of the large diameter pipe body connection 33 or the small diameter pipe body connection 24.
More specifically, the second compression nut 34 is restrained by one end of the large-diameter pipe body connecting portion 33, and the first compression nut 23 is restrained by the plug-in type circumferential sealing mechanism 5 provided on the small-diameter connecting pipe body 21.
In summary, the principle of this embodiment is as follows: during use, the length of the threaded connection between the large-diameter connecting pipe body 31 and the threaded connection sleeve 1 is preliminarily adjusted according to the distance between two reducing pipes, one end of the threaded connection sleeve 1 is limited and compressed through the second compression nut 34 after adjustment is completed, then the small-diameter connecting pipe body 21 and the threaded connection sleeve 1 are in threaded connection, the length of the threaded connection between the small-diameter connecting pipe body 21 and the threaded connection sleeve 1 is further adjusted according to the distance, the extending pipe 4 is in threaded connection with the circumferential inner side of the double-sided threaded part 32, the other end of the threaded connection sleeve 1 is compressed and limited through the first compression nut 23, the connecting gap is sealed through the plug-in type circumferential sealing mechanism after the reducing pipe is connected, and the whole assembly and disassembly are more convenient.
The specific embodiments described herein are offered by way of example only to illustrate the spirit of the utility model. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions thereof without departing from the spirit of the utility model or exceeding the scope of the utility model as defined in the accompanying claims.
Although terms such as the threaded connection sleeve 1, the first threaded portion 11, the second threaded portion 12, the small-diameter pipe connection assembly 2, the small-diameter connection pipe body 21, the threaded connection portion 22, the first compression nut 23, the small-diameter pipe body connection portion 24, the large-diameter pipe connection assembly 3, the large-diameter connection pipe body 31, the double-sided threaded portion 32, the large-diameter pipe body connection portion 33, the second compression nut 34, the extension pipe 4, the plug-type circumferential seal mechanism 5, the annular positioning groove 51, the annular positioning sleeve 52, the inner ring 521, the outer ring 522, the annular limiting portion 523, the annular limiting plug cavity 524, the seal plug-type assembly 53, the plug-type sleeve 531, the plug-type connection portion 532, the annular plug-type seal 533, the relief gap 534 are used more herein, the possibility of using other terms is not excluded. These terms are used merely for convenience in describing and explaining the nature of the utility model; they are to be interpreted as any additional limitation that is not inconsistent with the spirit of the present utility model.
Claims (10)
1. The utility model provides a reducing pipe quick detach connecting piece, includes threaded connection sleeve (1), its characterized in that, threaded connection sleeve (1) one end threaded connection have minor diameter pipe fitting connection subassembly (2), and other end threaded connection has major diameter pipe fitting connection subassembly (3), minor diameter pipe fitting connection subassembly (2) link to each other through extension pipe (4) screw thread between major diameter pipe fitting connection subassembly (3) one end, and extension pipe (4) are arranged in threaded connection sleeve (1) and one end is fixed with minor diameter pipe fitting connection subassembly (2) to meet, minor diameter pipe fitting connection subassembly (2) and major diameter pipe fitting connection subassembly (3) keep away from the one end of threaded connection sleeve (1) all be equipped with plug-in type circumference sealing mechanism (5).
2. The reducing pipe quick-release connector according to claim 1, wherein the small-diameter pipe connecting assembly (2) comprises a small-diameter connecting pipe body (21), a threaded connecting portion (22) is arranged at one end of the small-diameter connecting pipe body (21), a first compression nut (23) which is located outside one end of the threaded connecting sleeve (1) and used for compressing one end of the threaded connecting sleeve (1) is arranged on the threaded connecting portion (22), and a small-diameter pipe body connecting portion (24) used for connecting an external small-diameter pipe is arranged at the other end of the small-diameter connecting pipe body (21).
3. The quick-release connector for reducing pipes according to claim 2, wherein the inner walls of the two ends of one end of the threaded connecting sleeve (1) are provided with first threaded portions (11), the first threaded portions (11) are in threaded connection with the threaded connecting portions (22), and the diameter of the first compression nut (23) is larger than the inner diameter of the first threaded portions (11).
4. The quick-release connector for reducing pipes according to claim 2, wherein the large-diameter pipe connecting assembly (3) comprises a large-diameter connecting pipe body (31), one end of the large-diameter connecting pipe body (31) is provided with a double-sided threaded portion (32), the extension pipe (4) is in threaded connection with the circumferential inner side of the double-sided threaded portion (32), the other end of the large-diameter connecting pipe body (31) is provided with a large-diameter pipe body connecting portion (33) for connecting an external large-diameter pipe, and the diameter of the large-diameter pipe body connecting portion (33) is larger than that of the double-sided threaded portion (32).
5. The quick release connector for reducing pipes according to claim 4, wherein the double-sided threaded portion (32) is provided with a second compression nut (34) for compressing one end of the threaded connection sleeve (1), a second threaded portion (12) is provided on the circumferential inner wall of one end of the threaded connection sleeve (1), the double-sided threaded portion (32) is in threaded connection with the circumferential inner side of one end of the threaded connection sleeve (1) through the second threaded portion (12), and the diameter of the second compression nut (34) is larger than the inner diameter of the second threaded portion (12).
6. The reducing pipe quick-release connector according to claim 5, wherein the plug-in type circumferential sealing mechanism (5) comprises an annular positioning groove (51) arranged on the large-diameter pipe body connecting portion (33) or the small-diameter pipe body connecting portion (24), the annular positioning groove (51) is provided with an annular positioning sleeve (52), and the end part of the large-diameter pipe body connecting portion (33) or the small-diameter pipe body connecting portion (24) is movably provided with a sealing plug-in assembly (53) which is mutually engaged with the annular positioning sleeve (52) and can seal gaps between the large-diameter pipe fitting and the large-diameter pipe body connecting portion (33) or between the small-diameter pipe fitting and the small-diameter pipe body connecting portion (24).
7. The reducing pipe quick-release connector according to claim 6, wherein the annular positioning sleeve (52) comprises an inner ring body (521) arranged in the annular positioning groove (51), an outer ring body (522) is arranged on the outer side of the circumference of the inner ring body (521), the outer ring body (522) is connected with one side of the inner ring body (521) through an annular limiting part (523), and an annular limiting inserting cavity (524) is formed between the circumferences of the outer ring body (522) and the inner ring body (521).
8. The reducing pipe quick-release connector according to claim 7, wherein the sealing plug assembly (53) comprises a plug sleeve body (531), plug connection portions (532) which are arranged corresponding to the annular limiting plug cavities (524) are circumferentially arranged on the plug sleeve body (531), annular plug seal portions (533) are arranged on the circumferential inner side of the plug sleeve body (531), and a yielding gap (534) is formed between the annular plug seal portions (532).
9. The quick release connector of claim 7, wherein the peripheral outer wall of the inner ring (521) is flush with the peripheral outer wall of the large diameter pipe body connection (33) or the small diameter pipe body connection (24).
10. The quick release connector of claim 5, wherein the second compression nut (34) is limited by one end of the large diameter pipe body connecting portion (33), and the first compression nut (23) is limited by a plug-in type circumferential sealing mechanism (5) arranged on the small diameter connecting pipe body (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320663931.4U CN219493401U (en) | 2023-03-27 | 2023-03-27 | Reducing pipe quick detach connecting piece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320663931.4U CN219493401U (en) | 2023-03-27 | 2023-03-27 | Reducing pipe quick detach connecting piece |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219493401U true CN219493401U (en) | 2023-08-08 |
Family
ID=87484535
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320663931.4U Active CN219493401U (en) | 2023-03-27 | 2023-03-27 | Reducing pipe quick detach connecting piece |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219493401U (en) |
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2023
- 2023-03-27 CN CN202320663931.4U patent/CN219493401U/en active Active
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