CN214338144U - Electric heating pipe joint inner film - Google Patents
Electric heating pipe joint inner film Download PDFInfo
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- CN214338144U CN214338144U CN202120317575.1U CN202120317575U CN214338144U CN 214338144 U CN214338144 U CN 214338144U CN 202120317575 U CN202120317575 U CN 202120317575U CN 214338144 U CN214338144 U CN 214338144U
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- inner membrane
- electric heating
- heating pipe
- joint
- quick connector
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Abstract
The utility model discloses an electric heating pipe connects inner membrance is applied to electric heating pipe and quick connector's connection structure, and electric heating pipe includes inner tube and outside outer protective casing, and electric heating pipe connects the inner membrance to include: an inner membrane body; the inner membrane body comprises a cylindrical tube body and an inner membrane circular spigot fixed on one side of the cylindrical tube body, and the cylindrical tube body comprises an inner membrane inner wall and an inner membrane outer wall; the inner wall of the inner membrane is used for wrapping the joint of the inner tube and the quick connector; the diameter of the outer wall of the inner membrane is smaller than the inner diameter of the outer protective sleeve; the inner film ring spigot is arranged at one end close to the quick connector, and the platform diameter of the inner film ring spigot is larger than the outer diameter of the outer protective sleeve; the inner tube passes through the inside of cylinder body and is connected with quick connector, and the tip of outer protective casing supports inner membrance ring tang and carries out the screens fixed. The material overflowing during injection molding is prevented, the friction of the connecting part is buffered, and the performance of the whole set of electric heating pipe is improved.
Description
Technical Field
The utility model belongs to the electric heating pipe field relates to an electric heating pipe connects inner membrance.
Background
The urea pipeline heating mode adopted in the industry at present is basically an electric heating mode, and most electric heating pipe joints adopt an open type molding structure or an injection molding structure. Either the open molding structure or the injection molding structure has two problems as follows:
1: if the injection molding is used, the heating layer of the inner pipe and the joint of the outer protective sleeve and the quick-connection connector are protected without a protective medium, so that injection molding material leakage can enter an interlayer in the pipe body, the integral molding of the injection molding connector is affected, and the product consistency and the product quality are seriously affected.
: pipeline and quick connector belong to the product of two kinds of different materials, and its material physics soft or hard is different moreover, and these two kinds of products are assembled through the riveting, and quick connector is connected with the fixed coupling on whole car in the use, and body itself is longer and softer, consequently deformation, the split crack phenomenon appear easily in these two kinds of product riveting department because the vehicle shake, splits very.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the purpose is: the utility model provides an electric heating pipe connects inner membrance prevents to mould plastics the flash, and the friction of the junction of buffering quick connector and electric heating pipe and outer protective sheath pipe slows down because of body and quick connector produce deformation, the cracked hidden danger even that the vibration frequency changes and lead to because of the physical properties is different.
The technical scheme of the utility model is that: an electric heating pipe joint inner membrane is applied to a connecting structure of an electric heating pipe and a quick connector, the electric heating pipe comprises an inner pipe and an external outer protective sleeve, and the electric heating pipe joint inner membrane comprises: an inner membrane body; the inner membrane body comprises a cylindrical tube body and an inner membrane circular spigot fixed on one side of the cylindrical tube body, and the cylindrical tube body comprises an inner membrane inner wall and an inner membrane outer wall; the inner wall of the inner membrane is used for wrapping the joint of the inner tube and the quick connector; the diameter of the outer wall of the inner membrane is smaller than the inner diameter of the outer protective sleeve; the inner film circular spigot is arranged at one end close to the quick connector, and the platform diameter of the inner film circular spigot is larger than the outer diameter of the outer-layer protective sleeve; the inner pipe penetrates through the inside of the cylindrical pipe body to be connected with the quick-plugging connector, and the end part of the outer-layer protective sleeve props against the inner-film circular seam allowance to be clamped and fixed.
The inner film body protects the joint of the inner tube and the quick connector, and the outer wall of the inner film and the inner wall of the outer protective sleeve are suspended to play a role in buffering, so that the problem of deformation of the electric heating tube and the quick connector due to different physical properties of materials can be relieved, and the phenomenon that the joint of the electric heating tube and the quick connector cracks or falls off is avoided; the platform diameter of the inner film ring seam allowance is set to be larger than the outer diameter of the outer protective sleeve, so that injection molding material flash can be prevented from entering the outer protective sleeve during injection molding, the overall quality of the electric heating pipe is guaranteed, and the performance of the whole set of electric heating pipe is improved.
The further technical scheme is as follows: the inner membrane body further comprises an inner membrane opening; the inner membrane opening comprises an axial seam and a radial seam which are connected, the axial seam is arranged on the side face of the cylindrical tube body, and the radial seam is arranged on a platform of the inner membrane circular ring spigot.
Through set up the inner membrance opening on the inner membrance body, increased the elasticity space, make things convenient for the inner membrance body to install in the junction of electric heating pipe and quick connector, reserve the wiring space of guide point electric wire simultaneously.
The further technical scheme is as follows: the cylindrical pipe body and the inner film circular ring seam allowance are of an integrated structure.
The cylindrical pipe body and the inner film ring seam allowance are arranged into an integral structure, so that the connection reliability of the inner film body is guaranteed, a connection gap is not formed between the cylindrical pipe body and the inner film ring seam allowance, and injection molding material flash is prevented from entering the inner part of the outer-layer protective casing.
The further technical scheme is as follows: the thickness of the inner membrane body is 1.5 mm-2.5 mm.
The thickness setting of inner membrance body has not only guaranteed the performance between 1.5mm ~2.5mm, has avoided the joint to occupy too big space moreover.
The further technical scheme is as follows: the inner membrane body is made of an insulating material.
Because the inner membrane body is made of insulating materials, the insulativity of the joint can be ensured, and the performance of the electric heating tube is not influenced.
The further technical scheme is as follows: the inner film body is made of PE material.
The further technical scheme is as follows: the inner pipe and the quick connector are in cold riveting through a bamboo joint physical structure.
Through the cold riveting of the bamboo joint physical structure between the inner pipe and the quick-connection connector, the connection between the inner pipe and the quick-connection connector can be quickly, simply and conveniently realized, and the riveting is finished without using a customized tool and a fixture.
The further technical scheme is as follows: the quick connector, the inner pipe and the outer protective casing are connected into a whole at the joint through injection molding.
The electric heating pipe and the quick connector can be formed by injection molding after the inner film body is adopted, the whole body is formed, the problems of injection molding bulge, flash and the like are avoided, and the performance of the whole electric heating pipe is improved.
The utility model has the advantages that:
the inner film body protects the joint of the inner tube and the quick connector, and the outer wall of the inner film and the inner wall of the outer protective sleeve are suspended to play a role in buffering, so that the problem of deformation of the electric heating tube and the quick connector due to different physical properties of materials can be relieved, and the phenomenon that the joint of the electric heating tube and the quick connector cracks or falls off is avoided; the platform diameter of the inner film ring seam allowance is set to be larger than the outer diameter of the outer protective sleeve, so that injection molding material flash can be prevented from entering the outer protective sleeve during injection molding, the overall quality of the electric heating pipe is guaranteed, and the performance of the whole set of electric heating pipe is improved.
Drawings
The invention will be further described with reference to the following drawings and examples:
FIG. 1 is a front view of an inner film of an electric heating pipe joint provided in an embodiment of the present application;
FIG. 2 is a side view of an inner membrane of an electric heating tube joint provided in an embodiment of the present application;
FIG. 3 is a schematic connection diagram of an electric heating pipe joint provided by an embodiment of the present application;
fig. 4 is an exploded connection view of an electric heating pipe joint provided in an embodiment of the present application.
Wherein: 1. an inner membrane body; 2. an inner membrane outer wall; 3. an inner wall of the inner membrane; 4. opening the inner membrane; 5. inner film circular ring seam allowance; 6. an outer protective sleeve; 7. an inner tube; 8. a quick connector; 9. and (3) injection molding.
Detailed Description
Example (b): the application provides an electric heating pipe connects inner membrance, is applied to electric heating pipe and quick connector's connection structure, and electric heating pipe includes inner tube and outside outer protective casing, still contains the zone of heating on the inner tube, combines to refer to fig. 1 to 4, and this electric heating pipe connects inner membrance includes: an inner membrane body 1; the inner membrance body 1 is the opening cylinder type and takes the ring tang platform, and inner membrance body 1 includes the cylinder body and is fixed in inner membrance ring tang 5 of cylinder body one side, and the cylinder body includes inner membrance inner wall 3 and inner membrance outer wall 2.
The inner membrane inner wall 3 is used for wrapping the joint of the inner tube 7 and the quick connector 8 and is mainly used for protecting the heating layer at the joint of the inner tube 7 and the quick connector 8. The inner membrane wall 3 is tightly attached to the inner tube 7 and wraps the cable.
The diameter of the inner-film outer wall 2 is smaller than the inner diameter of the outer-layer protective sleeve 6, so that the inner-film outer wall 2 and the outer-layer protective sleeve 6 are suspended in the air, a buffering effect is achieved, and the unsmooth circuit caused by abrasion is prevented; the situation that the deformation rates of the electric heating tube and the quick-plugging connector 8 are different due to the physical characteristics of materials is relieved, and the connection part of the electric heating tube and the quick-plugging connector 8 is protected from cracking or falling off.
The inner membrane ring seam allowance 5 is arranged at one end close to the quick-connection-peg 8, and the platform diameter of the inner membrane ring seam allowance 5 is larger than the outer diameter of the outer-layer protective casing 6. For example, the platform diameter of the inner film ring seam allowance 5 is usually required to be 0.1 mm-0.2 mm larger than the outer diameter of the outer layer protection sleeve 6, so that the phenomenon that the inner film ring seam allowance 5 protrudes outwards too much to affect the overall appearance is avoided. Because the platform diameter of inner membrance ring tang 5 is greater than the appearance of outer protective casing 6 to after inner membrance body 1 overlaps on inner tube 7, inner membrance ring tang 5 can shelter from the space between inner tube 7 and outer protective casing 6, has avoided the injection molding material flash to get into inside outer protective casing 6.
The inner tube 7 penetrates through the inside of the cylindrical tube body and is connected with the quick-connection connector 8, and the end part of the outer-layer protective sleeve 6 props against the inner-film circular seam allowance 5 to be clamped and fixed. Namely, the inner film body 1 is clamped between the inner tube 7 of the electric heating tube and the joint of the outer protective sleeve 6 and the quick connector 8.
The inner diameter of the cylindrical pipe body of the inner membrane body 1 can be matched according to the sizes of the inner pipes 7 in different sizes, and the opening is arranged, so that the elastic opening and closing space is increased, and the inner pipes 7 in different sizes are adapted.
Optionally, the inner membrane body 1 further comprises an inner membrane opening 4; the inner membrane opening 4 comprises an axial seam and a radial seam which are connected, the axial seam is arranged on the side surface of the cylindrical tube body, and the radial seam is arranged on a platform of the inner membrane circular seam allowance 5. Through setting up inner membrance opening 4, not only have the elasticity space, be convenient for install inner membrance body 1 in electric heating pipe and quick connector 8's junction, but also reserve the wiring space of electrically conductive electric wire simultaneously. It should be noted that, since the inner film opening 4 is filled after the conductive wires are wired, the injection molding flash can be prevented from entering from the inner film opening 4 in practical use.
Optionally, the cylindrical pipe body and the inner film circular ring spigot 5 are of an integrated structure. Namely, the inner membrane circular seam allowance 5 is connected with the inner membrane inner wall 3 and the inner membrane outer wall 2 to form an integral structure.
Optionally, the thickness of the inner membrane body 1 is different according to different designs of products, and for example, the thickness of the inner membrane body 1 is 1.5 mm-2.5 mm.
The inner membrane body 1 is made of an insulating material. Optionally, the inner membrane body 1 is made of PE material.
The inner pipe 7 and the quick connector 8 are in cold riveting through bamboo joint physical structures.
The quick connector 8, the inner pipe 7 and the outer protective sleeve 6 are connected into a whole through injection molding. The quick-plug connector 8, the inner pipe 7 and the outer-layer protective sleeve 6 can be effectively connected together through an injection molding process, and the life cycle of the electric heating pipe is prolonged.
In summary, the inner film of the electric heating pipe joint provided by the application protects the joint of the inner pipe and the quick connector through the inner film body, and the outer wall of the inner film and the inner wall of the outer protective sleeve are suspended to play a role in buffering, so that the problem of deformation of the electric heating pipe and the quick connector due to different physical properties of materials can be solved, and the phenomenon of cracking or falling off at the joint of the electric heating pipe and the quick connector is avoided; the platform diameter of the inner film ring seam allowance is set to be larger than the outer diameter of the outer protective sleeve, so that injection molding material flash can be prevented from entering the outer protective sleeve during injection molding, the overall quality of the electric heating pipe is guaranteed, and the performance of the whole set of electric heating pipe is improved.
In addition, the inner film body is provided with the inner film opening, so that the elastic space is increased, the inner film body is convenient to install at the joint of the electric heating pipe and the quick connector, and meanwhile, the wiring space of the guide point electric wire is reserved.
In addition, the cylindrical pipe body and the inner film ring seam allowance are arranged into an integral structure, so that the connection reliability of the inner film body is guaranteed, a connection gap is not formed between the cylindrical pipe body and the inner film ring seam allowance, and injection molding material flash is prevented from entering the inner part of the outer-layer protective casing.
In addition, the thickness setting of inner membrance body has not only guaranteed the performance between 1.5mm ~2.5mm, has avoided joint department to occupy too big space moreover.
In addition, the inner film body is made of insulating materials, so that the insulativity of the joint can be ensured, and the performance of the electric heating pipe is not influenced.
In addition, the bamboo joint physical structure cold riveting between the inner pipe and the quick-connection connector can realize the connection between the inner pipe and the quick-connection connector quickly, simply and conveniently without using a customized tool and a clamp to finish the riveting.
In addition, the electric heating pipe and the quick connector can be formed by injection molding after the inner film body is adopted, the whole body is formed, the problems of injection molding bulge, flash and the like are avoided, and the performance of the whole set of electric heating pipe is improved.
The terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying a number of the indicated technical features. Thus, a defined feature of "first", "second", may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless otherwise specified.
The above-mentioned serial numbers of the embodiments of the present application are merely for description and do not represent the merits of the embodiments.
The above description is only exemplary of the present application and should not be taken as limiting the present application, as any modification, equivalent replacement, or improvement made within the spirit and principle of the present application should be included in the protection scope of the present application.
Claims (8)
1. An electric heating pipe joint inner membrane is applied to a connecting structure of an electric heating pipe and a quick connector, the electric heating pipe comprises an inner pipe and an outer protective outer pipe, and the electric heating pipe joint inner membrane comprises: an inner membrane body; the inner membrane body comprises a cylindrical tube body and an inner membrane circular spigot fixed on one side of the cylindrical tube body, and the cylindrical tube body comprises an inner membrane inner wall and an inner membrane outer wall;
the inner wall of the inner membrane is used for wrapping the joint of the inner tube and the quick connector;
the diameter of the outer wall of the inner membrane is smaller than the inner diameter of the outer protective sleeve;
the inner film circular spigot is arranged at one end close to the quick connector, and the platform diameter of the inner film circular spigot is larger than the outer diameter of the outer-layer protective sleeve;
the inner pipe penetrates through the inside of the cylindrical pipe body to be connected with the quick-plugging connector, and the end part of the outer-layer protective sleeve props against the inner-film circular seam allowance to be clamped and fixed.
2. The electric heating tube joint inner membrane according to claim 1, wherein the inner membrane body further comprises an inner membrane opening; the inner membrane opening comprises an axial seam and a radial seam which are connected, the axial seam is arranged on the side face of the cylindrical tube body, and the radial seam is arranged on a platform of the inner membrane circular ring spigot.
3. The electric heating pipe joint inner membrane according to claim 1, wherein the cylindrical pipe body and the inner membrane circular seam allowance are of an integrated structure.
4. The electric heating pipe joint inner membrane according to claim 1, wherein the thickness of the inner membrane body is between 1.5mm and 2.5 mm.
5. The electric heating tube joint inner membrane according to claim 1, wherein the inner membrane body is made of an insulating material.
6. The electric heating pipe joint inner membrane according to claim 5, wherein the inner membrane body is made of PE material.
7. The electric heating pipe joint inner membrane as claimed in any one of claims 1 to 6, wherein the inner pipe and the quick connector are cold riveted through a bamboo joint physical structure.
8. The electric heating tube joint inner membrane according to claim 7, wherein a joint of the quick-connect coupling, the inner tube and the outer protective sheath is integrally injection-molded.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202120317575.1U CN214338144U (en) | 2021-02-04 | 2021-02-04 | Electric heating pipe joint inner film |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN202120317575.1U CN214338144U (en) | 2021-02-04 | 2021-02-04 | Electric heating pipe joint inner film |
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Publication Number | Publication Date |
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CN214338144U true CN214338144U (en) | 2021-10-01 |
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CN202120317575.1U Active CN214338144U (en) | 2021-02-04 | 2021-02-04 | Electric heating pipe joint inner film |
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CN (1) | CN214338144U (en) |
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2021
- 2021-02-04 CN CN202120317575.1U patent/CN214338144U/en active Active
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