CN219975772U - Plastic pipe fitting of cladding type injection molding sealing ring - Google Patents
Plastic pipe fitting of cladding type injection molding sealing ring Download PDFInfo
- Publication number
- CN219975772U CN219975772U CN202321529014.3U CN202321529014U CN219975772U CN 219975772 U CN219975772 U CN 219975772U CN 202321529014 U CN202321529014 U CN 202321529014U CN 219975772 U CN219975772 U CN 219975772U
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- China
- Prior art keywords
- sealing ring
- sealing
- injection molding
- plastic tube
- ring
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- 238000007789 sealing Methods 0.000 title claims abstract description 106
- 239000004033 plastic Substances 0.000 title claims abstract description 44
- 229920003023 plastic Polymers 0.000 title claims abstract description 44
- 238000001746 injection moulding Methods 0.000 title claims abstract description 35
- 238000005253 cladding Methods 0.000 title claims abstract description 16
- 238000009434 installation Methods 0.000 claims description 15
- 238000002347 injection Methods 0.000 claims description 13
- 239000007924 injection Substances 0.000 claims description 13
- 229920001971 elastomer Polymers 0.000 claims description 3
- 239000000806 elastomer Substances 0.000 claims description 3
- 238000000465 moulding Methods 0.000 claims description 3
- 239000007788 liquid Substances 0.000 abstract description 7
- 230000000694 effects Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 230000007547 defect Effects 0.000 description 3
- 238000004026 adhesive bonding Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000004826 seaming Methods 0.000 description 1
Landscapes
- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
The utility model belongs to the technical field of plastic pipe fittings, in particular to a plastic pipe fitting of a cladding type injection molding sealing ring, which comprises an injection molding joint body, wherein the end face of the joint body is inwards concave to form a mounting groove, the sealing ring is formed in the mounting groove through cladding injection molding, and the joint body and the sealing ring are of an integrated structure. The sealing ring is formed in the mounting groove on the end face of the connector body through cladding injection molding, so that leakage of liquid through a gap between the sealing ring and the mounting groove is effectively prevented.
Description
Technical field:
the utility model belongs to the technical field of plastic pipe fittings, and particularly relates to a plastic pipe fitting of a coated injection molding sealing ring.
The background technology is as follows:
the pipe joint is a connecting tool between pipelines and is also a detachable connecting point between an element and the pipeline. The common connection modes of the plastic pipe joint and the pipeline are as follows: 1. glue bonding, namely coating glue on the pipeline and/or the pipe joint, and sleeving the pipe joint on the pipeline; 2. the sealing ring is in sealing connection, the pipe joint 1 is provided with the installation groove 2, the pipe joint 1 is sleeved on the pipeline 3, and the sealing ring 4 arranged in the installation groove 2 seals a gap between the pipe joint 1 and the pipeline 3, as shown in figures 1 and 2.
The first connection mode has the following defects: 1. the pipe joint is fixedly connected with the pipeline, when the installation direction of the pipe joint is found to deviate after the pipe joint is installed, the angle of the pipe joint relative to the pipeline cannot be readjusted, the requirement on the installation technology is high, and the installation is troublesome; 2. the pipeline joint is fixedly connected with the pipeline, and when the temperature change pipeline is subjected to expansion caused by heat and contraction caused by cold, the pipeline is easy to burst; 3. glue is used, so that the environment is not protected; 4. due to the requirement of glue bonding, the pipe joint and the pipeline are required to be consistent in material.
The second connection method can overcome the defect of the first connection method, but has the defects that: due to the demolding limitation of the injection mold of the pipe joint 1, a plurality of joints 5 can be formed on the inner wall surface of the installation groove 2, so that the sealing ring 4 cannot be tightly attached to the inner wall surface of the installation groove 2, and liquid can easily leak out through a gap between the sealing ring 4 and the inner wall surface of the installation groove 2.
The utility model comprises the following steps:
the utility model aims to provide a plastic pipe fitting of a cladding injection molding sealing ring, wherein the sealing ring is molded in a mounting groove on the end face of a joint body through cladding injection molding, so that leakage of liquid through a gap between the sealing ring and the mounting groove is effectively prevented.
The utility model is realized in the following way:
the utility model provides a plastic pipe fitting of cladding formula sealing washer of moulding plastics, includes injection moulding's joint body, the terminal surface indent of joint body forms the mounting groove, there is the sealing washer through cladding injection moulding in the mounting groove, joint body and sealing washer structure as an organic whole.
In the plastic pipe fitting of the coated injection molding sealing ring, the height h of the sealing ring is 3mm-8mm.
In the plastic pipe fitting of the coated injection molding sealing ring, the sealing lip is arranged on the inner ring of the sealing ring.
In the plastic pipe fitting of the coated injection molding sealing ring, the sealing lips are arranged at intervals.
In the plastic pipe fitting of the coated injection molding sealing ring, the sealing lip is inclined towards the inside of the joint body, and the thickness of the sealing lip is gradually reduced outwards from one end connected with the joint body.
In the plastic pipe diameter of the coated injection molding sealing ring, the inclination angle alpha of the sealing lip is 30-50 degrees.
In the plastic pipe fitting of the coated injection molding sealing ring, the outer end of the sealing lip is arc-shaped.
In the plastic pipe fitting of the coated injection molding sealing ring, the sealing ring and the sealing lip are of an integrated structure.
In the plastic pipe fitting of the cladding injection molding sealing ring, the joint body is sleeved on the pipeline, the end part of the joint body is outwards protruded with the installation boss, the installation groove is formed in the installation boss, and the sealing lip is attached to the outer side wall of the pipeline.
In the plastic pipe fitting of the coated injection molding sealing ring, the fixing protrusion embedded into the sealing ring is arranged in the mounting groove.
In the plastic pipe fitting of the coated injection molding sealing ring, the fixing protrusion is in a strip shape, and more than two fixing protrusions are uniformly distributed on the circumference.
In the plastic pipe fitting of the coated injection molding sealing ring, the middle part of the fixing protrusion is arc-shaped, and two ends of the fixing protrusion are respectively semicircular.
In the plastic pipe fitting of the coated injection molding sealing ring, the inner end face of the fixed protrusion inclined mounting groove is arranged.
In the plastic pipe fitting of the coated injection molding sealing ring, the joint body and the sealing ring are injection molded through a double-color injection molding machine and a double-color injection mold, the joint body is made of hard plastic, and the sealing ring is made of plastic elastomer.
In the plastic pipe fitting of the coated injection molding sealing ring, the joint body is a straight joint, a tee joint or an elbow, and the sealing ring is coated and injection molded at each end part of the joint body.
Compared with the prior art, the utility model has the outstanding advantages that:
1. the sealing ring is formed in the mounting groove on the end face of the connector body through cladding injection molding, the sealing ring is tightly attached in the mounting groove of the connector body, and the connector body and the sealing ring are of an integrated structure, so that liquid is effectively prevented from leaking out through a gap between the sealing ring and the mounting groove, namely liquid leakage is effectively prevented; meanwhile, the joint body is only required to be sleeved on the pipeline during assembly, and a sealing ring is not required to be additionally arranged, so that the assembly steps are effectively reduced, and the labor cost is reduced;
2. the inner ring of the sealing ring is provided with the sealing lip, so that the sealing effect of the sealing ring and a pipeline is effectively improved;
3. the fixing protrusions embedded into the sealing rings are arranged in the mounting grooves, so that the sealing rings are firmly arranged in the mounting grooves, and the sealing rings are effectively prevented from falling out.
Description of the drawings:
FIG. 1 is a cross-sectional view of the prior art;
FIG. 2 is a perspective view of a prior art pipe joint;
FIG. 3 is a cross-sectional view of the first embodiment;
fig. 4 is a perspective view of the first embodiment;
FIG. 5 is a perspective view of the joint body of the first embodiment;
fig. 6 is a cross-sectional view of the joint body and seal ring of the second embodiment.
Reference numerals:
in fig. 1-2: 1. a pipe joint; 2. a mounting groove; 3. a pipe; 4. a seal ring; 5. and (3) seaming.
In fig. 3-5: 11. a joint body; 12. a mounting groove; 13. a seal ring; 14. a sealing lip; 15. a pipe; 16. a mounting boss; 17. and fixing the protrusion.
The specific embodiment is as follows:
the utility model is further described below with reference to the specific examples, see fig. 3-6:
embodiment one:
the utility model provides a plastic pipe fitting of cladding formula sealing washer of moulding plastics, includes injection moulding's joint body 11, the terminal surface indent of joint body 11 forms mounting groove 12, there is sealing washer 13 through cladding injection moulding in the mounting groove 12, joint body 11 suit is on pipeline 15, joint body 11 and sealing washer 13 are integrated into one piece structure.
As shown in fig. 3-5, the sealing ring 13 is formed in the mounting groove 12 on the end face of the joint body 11 by cladding injection molding, the sealing ring 13 is tightly attached in the mounting groove 12 of the joint body 11, the joint body 11 and the sealing ring 13 are of an integrated structure, and liquid is effectively prevented from leaking out through the gap between the sealing ring 13 and the mounting groove 12, namely liquid leakage is effectively prevented; meanwhile, the joint body 11 is only required to be sleeved on the pipeline 15 during assembly, and the sealing ring 13 is not required to be additionally installed, so that the assembly steps are effectively reduced, and the labor cost is reduced.
Further, the height h of the seal ring 13 is 3mm-8mm. The sealing ring has small volume, material saving and low cost. In this embodiment, the height h of the seal ring 13 is 4mm.
In order to improve the sealing effect between the sealing ring 13 and the pipe 15, as shown in fig. 3 and 4, a sealing lip 14 is provided on the inner ring of the sealing ring 13.
The structure of the sealing lip 14: as shown in fig. 3, the sealing lip 14 is inclined toward the inside of the joint body 11, and the thickness thereof is gradually decreased from one end connected to the joint body 11 to the outside.
Preferably, the sealing lip 14 is inclined at an angle α of 30 ° -50 °. In the present embodiment, the inclination angle α of the seal lip 14 is 40 °.
Further, the outer end of the sealing lip 14 is arc-shaped, so that the sealing effect with the pipeline 15 is good.
Preferably, the sealing ring 13 and the sealing lip 14 are of an integrated structure.
In order to reduce the outer diameter of the joint body 11 as much as possible on the premise of installing the sealing ring 13, the installation groove 12 is arranged in the installation boss 16, and the sealing lip 14 is attached to the outer side wall of the pipeline 15.
In order to firmly arrange the sealing ring 13 in the mounting groove 12, as shown in 3-5, a fixing protrusion 17 embedded in the sealing ring 13 is arranged in the mounting groove 12, so that the sealing ring 13 is effectively prevented from falling off.
The structure of the fixing boss 17: as shown in fig. 4 and 5, the fixing protrusion 17 is elongated and has two or more circumferentially distributed protrusions. In this embodiment, 12 fixing protrusions 17 are uniformly distributed around the circumference.
The specific structure of the fixing boss 17: as shown in fig. 4 and 5, the middle of the fixing protrusion 17 is arc-shaped, and two ends of the fixing protrusion 17 are respectively semicircular.
Further, the fixing projection 17 is provided perpendicularly to the inner end surface of the mounting groove 12.
Further, the joint body 11 and the sealing ring 13 are injection molded by a double-color injection molding machine and a double-color injection mold, the material of the joint body 11 is hard plastic, and the material of the sealing ring 13 is plastic elastomer.
The structure of the joint body 11: the joint body 11 is a straight joint, a three-way joint or an elbow, and the sealing rings 13 are coated and injection molded at each end of the joint body 11. In this embodiment, the joint body 11 is a three-way joint.
Embodiment two:
the present embodiment is basically the same as the first embodiment in structure, and is mainly different in that: the sealing lips 14 are arranged at intervals to achieve a good sealing effect. In this embodiment, two sealing lips 14 are provided at intervals, as shown in fig. 6.
In this embodiment, the connector body 11 is a straight-through connector.
Embodiment III:
the present embodiment is basically the same as the first embodiment in structure, and is mainly different in that: the fixing protrusion 17 is inclined to the inner end surface of the mounting groove 12, so that the sealing ring 13 is more firmly arranged in the mounting groove 12.
The above embodiment is only one of the preferred embodiments of the present utility model, and is not intended to limit the scope of the present utility model, therefore: all equivalent changes in shape, structure and principle of the utility model should be covered in the scope of protection of the utility model.
Claims (10)
1. The utility model provides a plastic pipe fitting of cladding formula sealing washer of moulding plastics which characterized in that: the novel plastic sealing device comprises an injection molding connector body (11), wherein an installation groove (12) is formed in the end face of the connector body (11) in a concave mode, a sealing ring (13) is formed in the installation groove (12) through cladding injection molding, and the connector body (11) and the sealing ring (13) are of an integral structure.
2. A plastic tube of a coated injection seal ring as claimed in claim 1, wherein: the inner ring of the sealing ring (13) is provided with a sealing lip (14).
3. A plastic tube of a coated injection seal ring as claimed in claim 2, wherein: the sealing lips (14) are arranged at intervals of more than two.
4. A plastic tube of a coated injection seal ring as claimed in claim 2, wherein: the sealing lip (14) is inclined towards the inside of the joint body (11), and the thickness of the sealing lip is gradually reduced outwards from one end connected to the joint body (11).
5. The plastic tube of claim 4, wherein: the outer end of the sealing lip (14) is arc-shaped.
6. A plastic tube of a coated injection seal ring as claimed in claim 1, wherein: a fixing protrusion (17) embedded into the sealing ring (13) is arranged in the mounting groove (12).
7. The plastic tube of claim 6, wherein: the fixing protrusions (17) are long and are uniformly distributed with more than two circumferences.
8. The plastic tube of claim 7, wherein: the middle part of the fixing protrusion (17) is arc-shaped, and two ends of the fixing protrusion (17) are respectively semicircular.
9. The plastic tube of claim 7, wherein: the fixing protrusion (17) is arranged at the inner end surface of the inclined mounting groove (12).
10. A plastic tube of a coated injection seal ring as claimed in claim 1, wherein: the connector body (11) and the sealing ring (13) are formed by injection molding through a double-color injection molding machine and a double-color injection mold, the connector body (11) is made of hard plastic, and the sealing ring (13) is made of plastic elastomer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321529014.3U CN219975772U (en) | 2023-06-15 | 2023-06-15 | Plastic pipe fitting of cladding type injection molding sealing ring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321529014.3U CN219975772U (en) | 2023-06-15 | 2023-06-15 | Plastic pipe fitting of cladding type injection molding sealing ring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219975772U true CN219975772U (en) | 2023-11-07 |
Family
ID=88588090
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321529014.3U Active CN219975772U (en) | 2023-06-15 | 2023-06-15 | Plastic pipe fitting of cladding type injection molding sealing ring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219975772U (en) |
-
2023
- 2023-06-15 CN CN202321529014.3U patent/CN219975772U/en active Active
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| GR01 | Patent grant | ||
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