CN115111440A - Manufacturing method of telescopic pipe sealing joint - Google Patents
Manufacturing method of telescopic pipe sealing joint Download PDFInfo
- Publication number
- CN115111440A CN115111440A CN202210507017.0A CN202210507017A CN115111440A CN 115111440 A CN115111440 A CN 115111440A CN 202210507017 A CN202210507017 A CN 202210507017A CN 115111440 A CN115111440 A CN 115111440A
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- China
- Prior art keywords
- ring
- telescopic pipe
- joint
- inner ring
- pipe
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L15/00—Screw-threaded joints; Forms of screw-threads for such joints
- F16L15/006—Screw-threaded joints; Forms of screw-threads for such joints with straight threads
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
- B29C45/14336—Coating a portion of the article, e.g. the edge of the article
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L15/00—Screw-threaded joints; Forms of screw-threads for such joints
- F16L15/04—Screw-threaded joints; Forms of screw-threads for such joints with additional sealings
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
- B29C2045/1486—Details, accessories and auxiliary operations
- B29C2045/14868—Pretreatment of the insert, e.g. etching, cleaning
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Joints Allowing Movement (AREA)
Abstract
The invention belongs to the field of manufacturing methods of telescopic tube sealing joints, and particularly relates to a manufacturing method of a telescopic tube sealing joint.
Description
Technical Field
The invention belongs to the technical field of telescopic pipe sealing joints, and particularly relates to a manufacturing method of a telescopic pipe sealing joint.
Background
The telescopic pipe is also called as a telescopic joint, an expansion joint and a compensator and is divided into: the corrugated compensator, the sleeve compensator, the rotary compensator, the square natural compensator and the like are commonly used, mainly ensure the safe operation of a pipeline, and are usually matched with the sealing joint to work when the telescopic pipe works.
Pipeline with elasticity, most of having the belt joint use the dust absorption, the ventilation field, its butt joint leakproofness requirement is not high, its joint form mainly leans on the pipe outer wall to bond with the inboard inseparable reuse glue that docks of joint, the glue bonds and only fixes the body with the joint, but because flexible pipe's helical structure is more complicated, good sealed effect is hardly accomplished to the spiral contact surface, especially reciprocal flexible in the use, sealed effect is difficult to guarantee under the tension effect, in some pipeline application fields of leading to liquid, both need the pipeline to possess fine elasticity, it has good leakproofness to need the pipe joint again, do not have ripe product on the market at present, consequently need urgently to research and develop a flexible pipe sealing joint's preparation method.
Disclosure of Invention
Technical problem to be solved
In order to solve the problems of poor sealing performance of the joint, small expansion effect and limited application range of the expansion pipe, the invention provides a manufacturing method of the expansion pipe sealing joint.
(II) technical scheme
The invention is realized by the following technical scheme: the invention provides a method for manufacturing a telescopic pipe sealing joint, which comprises the following steps:
the telescopic pipe comprises a telescopic pipe (1), connecting rings (2) and a connecting pipe (3), wherein the connecting rings (2) are arranged at the left end and the right end of the telescopic pipe (1), and the outer side of each connecting ring (2) is sleeved with the connecting pipe (3) and fixed into a whole;
a rubber ring is arranged on the inner side of the connecting ring (2);
the connecting ring consists of an inner ring and an outer ring;
the outer ring (21) and the inner ring (22) are integrally formed, the outer ring (21) is higher than the inner ring (22), a groove (24) is formed in the inner side of the outer ring (21), and the groove (24)
The inner ring is positioned above the inner ring (22), a movable inflation bag (25) is embedded into the groove (24), the inflation valve (26) penetrates through the side part of the outer ring (21), the inflation valve (26) is connected with the inflation bag (25), a thread line (23) is arranged on the inner side of the inner ring (22), and the inner ring (22) is in threaded connection with the telescopic pipe (23);
the manufacturing method comprises the following steps:
firstly, cutting the extension tube (1) according to the required length, placing the two ends of the extension tube into a special connector injection molding die, wherein the structure of the special connector injection molding die is designed in a cavity
A section of spiral groove matched with the extension tube after being stretched;
and (II) tightly coating and fitting the joint with the port gap of the telescopic pipe, and verifying the sealing property of the joint by inflating and maintaining pressure.
Furthermore, the thread lines (23) are provided with six lines and are distributed on the inner side of the inner ring (22) at equal intervals.
(III) advantageous effects
Compared with the prior art, the invention has the following beneficial effects:
the groove is convenient for storing the inflating bag which is not inflated, and the inflating bag can play a role in expanding and sealing after the telescopic pipe is connected with the joint, and the spiral groove can enable the telescopic pipe to play a good sealing role due to the fact that the thread structure on the surface of the telescopic pipe is complex and the spiral contact surface is difficult to achieve a good sealing effect;
and the structure design of the joint mould is exquisite, and a section of spiral groove matched with the stretched extension pipe is designed in the cavity, so that the extension pipe is fixed and does not slide in the joint forming process, the joint injection material is completely filled in a gap at the port of the extension pipe, the injection material on the inner wall and the outer wall of the pipe is buckled and pressed on the pipe wall, and a good sealing effect is achieved.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
FIG. 1 is a schematic view of the connection structure of the sealing joint of the telescopic tube and the connecting tube of the present invention.
Fig. 2 is a sectional structure diagram of the telescopic pipe sealing joint of the invention.
FIG. 3 is a schematic view of the outer ring structure of the present invention.
The labels in the figures are: 1-telescopic pipe, 2-connecting ring, 21-outer ring, 22-inner ring, 23-thread line, 24-groove, 25-inflatable bag, 26-inflatable valve, 3-connecting pipe,
Detailed Description
In the technical scheme:
in order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The invention provides a method for manufacturing a sealing joint of a telescopic pipe, which comprises the following steps:
the telescopic pipe comprises a telescopic pipe (1), connecting rings (2) and a connecting pipe (3), wherein the connecting rings (2) are arranged at the left end and the right end of the telescopic pipe (1), and the outer side of each connecting ring (2) is sleeved with the connecting pipe (3) and fixed into a whole;
a rubber ring is arranged on the inner side of the connecting ring (2);
the connecting ring consists of an inner ring and an outer ring;
the outer ring (21) and the inner ring (22) are integrally formed, the outer ring (21) is higher than the inner ring (22), a groove (24) is formed in the inner side of the outer ring (21), the groove (24) is located above the inner ring (22), a movable inflation bag (25) is embedded into the groove (24), the inflation valve (26) penetrates through the side portion of the outer ring (21), the inflation valve (26) is connected with the inflation bag (25), a thread line (23) is arranged on the inner side of the inner ring (22), and the inner ring (22) is in threaded connection with the telescopic pipe (23);
the manufacturing method comprises the following steps:
cutting the extension tube (1) according to the required length, placing two ends of the extension tube into a special connector injection molding die, wherein the special connector injection molding die is characterized in that a section of spiral groove matched with the extension tube after being stretched is designed in a cavity;
secondly, the joint is tightly coated and attached with a gap at the port of the telescopic pipe, and the sealing performance of the joint is verified by inflating and maintaining pressure;
wherein, the thread lines (23) are provided with six lines and are equidistantly distributed on the inner side of the inner ring (22).
The groove is convenient for storing the inflating bag which is not inflated, and the inflating bag can play a role in expanding and sealing after the telescopic pipe is connected with the joint, and the spiral groove can enable the telescopic pipe to play a good sealing role due to the fact that the thread structure on the surface of the telescopic pipe is complex and the spiral contact surface is difficult to achieve a good sealing effect;
and the structure design of the joint mould is exquisite, and a section of spiral groove matched with the stretched extension tube is designed in the cavity, so that the extension tube is fixed and does not slide in the joint forming process, the injection material of the joint is completely filled in the gap at the port of the extension tube, and the injection material buckle on the inner wall and the outer wall of the tube is formed to press the tube wall, and a good sealing effect is achieved.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (2)
1. A manufacturing method of a telescopic pipe sealing joint is characterized by comprising the following steps:
the telescopic pipe sealing joint structure is as follows:
the telescopic pipe comprises a telescopic pipe (1), connecting rings (2) and a connecting pipe (3), wherein the connecting rings (2) are arranged at the left end and the right end of the telescopic pipe (1), and the outer side of each connecting ring (2) is sleeved with the connecting pipe (3) and fixed into a whole;
a rubber ring is arranged on the inner side of the connecting ring (2);
the connecting ring consists of an inner ring and an outer ring;
the outer ring (21) and the inner ring (22) are integrally formed, the outer ring (21) is higher than the inner ring (22), a groove (24) is formed in the inner side of the outer ring (21), the groove (24) is located above the inner ring (22), a movable inflation bag (25) is embedded into the groove (24), the inflation valve (26) penetrates through the side portion of the outer ring (21), the inflation valve (26) is connected with the inflation bag (25), a thread line (23) is arranged on the inner side of the inner ring (22), and the inner ring (22) is in threaded connection with the telescopic pipe (23);
the manufacturing method comprises the following steps:
cutting the extension tube (1) according to the required length, placing two ends of the extension tube into a special connector injection molding die, wherein the special connector injection molding die is characterized in that a section of spiral groove matched with the extension tube after being stretched is designed in a cavity;
and (II) tightly coating and fitting the joint with the port gap of the telescopic pipe, and verifying the sealing property of the joint by inflating and maintaining pressure.
2. The method for manufacturing a sealing joint of a telescopic tube according to claim 1, wherein the method comprises the following steps: the thread lines (23) are provided with six lines and are distributed on the inner side of the inner ring (22) at equal intervals.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210507017.0A CN115111440A (en) | 2022-05-11 | 2022-05-11 | Manufacturing method of telescopic pipe sealing joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210507017.0A CN115111440A (en) | 2022-05-11 | 2022-05-11 | Manufacturing method of telescopic pipe sealing joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115111440A true CN115111440A (en) | 2022-09-27 |
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ID=83326039
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210507017.0A Pending CN115111440A (en) | 2022-05-11 | 2022-05-11 | Manufacturing method of telescopic pipe sealing joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115111440A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101592273A (en) * | 2009-06-24 | 2009-12-02 | 陈正明 | Belt lacing sheath corrugated flexible hose and preparation method thereof |
| CN103615608A (en) * | 2013-11-25 | 2014-03-05 | 林和平 | Plastic extension tube and manufacture method thereof |
| CN110316155A (en) * | 2018-03-30 | 2019-10-11 | 宁波诗兰姆汽车零部件有限公司 | Glass for vehicle window cleaning pipe |
| CN212226290U (en) * | 2020-04-26 | 2020-12-25 | 广州隆盛景观建设有限公司 | Municipal drainage sewage pipes |
| CN213206857U (en) * | 2020-07-29 | 2021-05-14 | 中豪石油设备(武汉)有限公司 | Gas control valve for suppressing in skid-mounted refueling device |
| CN113653871A (en) * | 2021-07-16 | 2021-11-16 | 绍兴莱贝科技有限公司 | Stainless steel corrugated connecting pipe for air conditioner |
| CN114017552A (en) * | 2021-09-26 | 2022-02-08 | 怀化力搏塑胶科技有限公司 | Water leakage prevention water supply pipe assembly and connection method thereof |
-
2022
- 2022-05-11 CN CN202210507017.0A patent/CN115111440A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101592273A (en) * | 2009-06-24 | 2009-12-02 | 陈正明 | Belt lacing sheath corrugated flexible hose and preparation method thereof |
| CN103615608A (en) * | 2013-11-25 | 2014-03-05 | 林和平 | Plastic extension tube and manufacture method thereof |
| CN110316155A (en) * | 2018-03-30 | 2019-10-11 | 宁波诗兰姆汽车零部件有限公司 | Glass for vehicle window cleaning pipe |
| CN212226290U (en) * | 2020-04-26 | 2020-12-25 | 广州隆盛景观建设有限公司 | Municipal drainage sewage pipes |
| CN213206857U (en) * | 2020-07-29 | 2021-05-14 | 中豪石油设备(武汉)有限公司 | Gas control valve for suppressing in skid-mounted refueling device |
| CN113653871A (en) * | 2021-07-16 | 2021-11-16 | 绍兴莱贝科技有限公司 | Stainless steel corrugated connecting pipe for air conditioner |
| CN114017552A (en) * | 2021-09-26 | 2022-02-08 | 怀化力搏塑胶科技有限公司 | Water leakage prevention water supply pipe assembly and connection method thereof |
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