CPVC injection integrated pipe joint

Abstract

The utility model provides a CPVC injection moulded integral pipe joint, including the first joint body who is made of copper material and the second joint body who is made of CPVC material, the one end of second joint body is provided with annular wrapping part, annular wrapping part injection moulded forms in the outside of first joint body one end and with first joint body fixed, the inner peripheral wall of annular wrapping part with the outer peripheral wall between first joint body one end is provided with annular sealing structure, the other end of second joint body is used for with CPVC tubular product hot melt welding fixed and circumferential seal, the outer peripheral wall on first joint body other end is provided with annular reverse buckle, the other end of first joint body is used for inserting to the end part of PEX tubular product, and annular reverse buckle is used for with the inner peripheral wall of PEX tubular product and is tight and circumferential seal, the utility model discloses can realize the connection of CPVC pipe and PEX pipe to satisfy the demand of user.

Description

Technical Field

[0001] This utility model relates to the field of pipe fitting technology, and more specifically, to a CPVC injection molded integrated pipe fitting. Background Technology

[0002] CPVC pipes and PEX pipes are two different types of pipes currently on the market. Existing pipe fittings can only connect two or more CPVC pipes or two or more PEX pipes. There are no fittings that can connect both CPVC and PEX pipes, thus failing to meet the connection requirements for CPVC and PEX pipes. Utility Model Content

[0003] The technical problem to be solved by this utility model is to provide a CPVC injection molded integrated pipe fitting, which can realize the connection of CPVC pipe and PEX pipe to meet the needs of users.

[0004] This utility model provides a CPVC injection-molded integrated pipe fitting, including a first fitting body made of copper and a second fitting body made of CPVC. One end of the second fitting body is provided with an annular wrapping part, which is injection-molded outside the first fitting body and fixed to the first fitting body. An annular sealing structure is provided between the inner peripheral wall of the annular wrapping part and the outer peripheral wall of the first fitting body. The other end of the second fitting body is used for hot-melt welding and circumferential sealing to the CPVC pipe. An annular buckle is provided on the outer peripheral wall of the other end of the first fitting body. The other end of the first fitting body is used for insertion into the end of the PEX pipe. The annular buckle is used for tightening and circumferential sealing with the inner peripheral wall of the PEX pipe.

[0005] By adopting the above structure, the other end of the second connector can be fixed to the CPVC pipe by hot-melt welding and circumferential sealing, and the other end of the first connector can be connected to the PEX pipe and circumferentially sealed, thereby realizing the connection of CPVC pipe and PEX pipe to meet the needs of users.

[0006] In one possible implementation, the annular sealing structure includes a sealing ring; an annular groove is provided on the outer peripheral wall of one end of the first connector body, and the sealing ring is fitted into the annular groove, with the sealing ring tightly sealing against the groove wall and the inner peripheral wall of the annular wrapping part; by adopting this structure, since the sealing ring tightly seals against the groove wall and the inner peripheral wall of the annular wrapping part, the annular wrapping part and one end of the first connector body can reliably achieve circumferential sealing under the action of the sealing ring, that is, the one end of the second connector body and the one end of the first connector body can reliably achieve circumferential sealing.

[0007] In one possible implementation, an annular groove is provided on the outer peripheral wall of one end of the first connector body, and an annular insert is formed on the inner peripheral wall of the annular wrapping part. The annular insert is fixedly embedded in the annular groove. With this structure, after the annular wrapping part is injection molded to the outside of one end of the first connector body, the annular insert can be fixedly embedded in the annular groove. At this time, the axial fixation of one end of the second connector body and one end of the first connector body can be achieved, that is, the connection between the second connector body and the first connector body is realized.

[0008] In one possible implementation, an annular step is provided on the inner peripheral wall of one end of the first connector body, and an annular protrusion is provided on the inner wall of the junction between the annular wrapping part and the second connector body. The annular protrusion is embedded in the annular step. With this structure, after the annular wrapping part is injection molded to the outside of one end of the first connector body, the annular protrusion can be embedded in the annular step. At this time, the second connector body can achieve radial positioning with the first connector body, which can further improve the reliability of the second connector body after it is fixed to the first connector body.

[0009] In one possible implementation, the annular groove is located on the outer peripheral wall of the first connector body between the annular insert and the annular step, and the sealing ring is tightly sealed to the inner peripheral wall of the annular wrapping portion located between the annular insert and the annular protrusion. By adopting this structure, the sealing ring can reliably achieve circumferential sealing between the annular wrapping portion and the first connector body, that is, it can reliably achieve circumferential sealing between one end of the second connector body and one end of the first connector body.

[0010] In one possible implementation, a plurality of spaced hobbing grooves are provided circumferentially on the outer wall of the first connector body located on both sides of the annular groove in the axial direction. Each hobbing groove extends along the axial direction of the first connector body, and the annular wrapping part is fixedly embedded in the hobbing groove. By adopting this structure, after the annular wrapping part is fixedly embedded in the hobbing groove, the second connector body can be prevented from rotating circumferentially relative to the first connector body, that is, the reliability of the connection between the second connector body and the first connector body can be improved. Attached Figure Description

[0011] Figure 1 This is the first three-dimensional structural schematic diagram of the present invention; Figure 2 This is a second three-dimensional structural schematic diagram of the present invention; Figure 3 This is a cross-sectional structural diagram of the present invention; Figure 4 This is a three-dimensional structural diagram of the first connector. Detailed Implementation

[0012] First, those skilled in the art should understand that these embodiments are merely used to explain the technical principles of the embodiments of this application and are not intended to limit the scope of protection of the embodiments of this application. Those skilled in the art can make adjustments as needed to adapt to specific application scenarios.

[0013] In the description of the embodiments of this application, it should be noted that, unless otherwise explicitly specified and limited, the terms "connected" and "linked" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium. Those skilled in the art can understand the specific meaning of the above terms in the embodiments of this application based on the specific circumstances.

[0014] In the embodiments of this application, unless otherwise expressly specified and limited, "above" or "below" the second feature can mean that the first feature is in direct contact with the second feature, or that the first feature is in indirect contact with the second feature through an intermediate medium. Furthermore, "above," "on top of," and "over" the second feature can mean that the first feature is directly above or diagonally above the second feature, or simply that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature can mean that the first feature is directly below or diagonally below the second feature, or simply that the first feature is at a lower horizontal level than the second feature.

[0015] The present application will now be described in further detail with reference to the accompanying drawings and specific embodiments.

[0016] See Figures 1-4 As shown in the embodiment of this application, a CPVC injection-molded integrated pipe fitting is disclosed, including a first fitting body 1 made of copper and a second fitting body 2 made of CPVC. One end of the second fitting body 2 is provided with an annular wrapping part 21, which is injection-molded outside one end of the first fitting body 1 and fixed to the first fitting body 1. An annular sealing structure is provided between the inner peripheral wall of the annular wrapping part 21 and the outer peripheral wall of one end of the first fitting body 1. The other end of the second fitting body 2 is used for hot-melt welding and circumferential sealing with the CPVC pipe. An annular buckle 11 is provided on the outer peripheral wall of the other end of the first fitting body 1. The other end of the first fitting body 1 is used for insertion into the end of the PEX pipe. The annular buckle 11 is used for tightening with the inner peripheral wall of the PEX pipe and circumferential sealing.

[0017] The annular sealing structure includes a sealing ring 3; an annular groove 12 is provided on the outer peripheral wall of one end of the first connector body 1, and the sealing ring 3 is fitted in the annular groove 12. The sealing ring 3 is tightly sealed to the groove wall of the annular groove 12 and the inner peripheral wall of the annular wrapping part 21. By adopting this structure, since the sealing ring is tightly sealed to the groove wall of the annular groove and the inner peripheral wall of the annular wrapping part, the annular wrapping part and one end of the first connector body can be reliably sealed together under the action of the sealing ring. That is, the one end of the second connector body and the one end of the first connector body can be reliably sealed together.

[0018] An annular groove 13 is provided on the outer peripheral wall of one end of the first connector body 1, and an annular insert 22 is formed on the inner peripheral wall of the annular wrapping part 21. The annular insert 22 is fixedly embedded in the annular groove 13. With this structure, after the annular wrapping part is injection molded to the outside of one end of the first connector body, the annular insert can be fixedly embedded in the annular groove. At this time, the axial fixation of one end of the second connector body and one end of the first connector body can be realized, that is, the connection between the second connector body and the first connector body is realized.

[0019] An annular step 14 is provided on the inner peripheral wall of one end of the first connector body 1, and an annular protrusion 23 is provided on the inner wall of the junction between the annular wrapping part 21 and the second connector body 2. The annular protrusion 23 is embedded in the annular step 14. With this structure, after the annular wrapping part is injection molded to the outside of one end of the first connector body, the annular protrusion can be embedded in the annular step. At this time, the second connector body can achieve radial positioning with the first connector body, which can further improve the reliability of the second connector body after it is fixed to the first connector body.

[0020] The annular groove 12 is located on the outer peripheral wall of the first connector body 1 between the annular groove 13 and the annular step 14. The sealing ring 3 is tightly sealed to the inner peripheral wall of the annular wrapping part 21 located between the annular insert 22 and the annular protrusion 23. By adopting this structure, the sealing ring can reliably achieve circumferential sealing between the annular wrapping part and the first connector body, that is, it can reliably achieve circumferential sealing between one end of the second connector body and one end of the first connector body.

[0021] On the outer wall of the first connector body 1 located on both sides of the annular groove 12 in the axial direction, there are several circumferentially distributed toothed grooves 15. Each toothed groove 15 extends along the axial direction of the first connector body 1, and the annular wrapping part 21 is fixedly embedded in the toothed groove 15. By adopting this structure, after the annular wrapping part is fixedly embedded in the toothed groove, the second connector body can avoid circumferential rotation relative to the first connector body, that is, the reliability of the connection between the second connector body and the first connector body can be improved.

[0022] The above description is merely a specific embodiment of this application, but the scope of protection of this application is not limited thereto. Any variations or substitutions that can be easily conceived by those skilled in the art within the technical scope disclosed in this application should be included within the scope of protection of this application. Therefore, the scope of protection of this application should be determined by the scope of the claims.

Claims

1. A CPVC injection-molded integrated pipe fitting, characterized in that: The device includes a first connector body (1) made of copper and a second connector body (2) made of CPVC. One end of the second connector body (2) is provided with an annular wrapping part (21), which is injection molded outside one end of the first connector body (1) and fixed to the first connector body (1). An annular sealing structure is provided between the inner peripheral wall of the annular wrapping part (21) and the outer peripheral wall of one end of the first connector body (1). The other end of the second connector body (2) is used to be fixed and circumferentially sealed by hot-melt welding with the CPVC pipe. An annular buckle (11) is provided on the outer peripheral wall of the other end of the first connector body (1). The other end of the first connector body (1) is used to be inserted into the end of the PEX pipe. The annular buckle (11) is used to be tightened with the inner peripheral wall of the PEX pipe and circumferentially sealed.

2. The CPVC injection-molded integrated pipe fitting according to claim 1, characterized in that: The annular sealing structure includes a sealing ring (3); an annular groove (12) is provided on the outer peripheral wall of one end of the first connector body (1), and the sealing ring (3) is fitted in the annular groove (12). The sealing ring (3) is tightly sealed to the groove wall of the annular groove (12) and the inner peripheral wall of the annular wrapping part (21).

3. The CPVC injection-molded integrated pipe fitting according to claim 2, characterized in that: An annular groove (13) is provided on the outer peripheral wall of one end of the first connector body (1), and an annular insert (22) is formed on the inner peripheral wall of the annular wrapping part (21). The annular insert (22) is fixed to the annular groove (13).

4. The CPVC injection-molded integrated pipe fitting according to claim 3, characterized in that: An annular step (14) is provided on the inner peripheral wall of one end of the first connector body (1), and an annular protrusion (23) is provided on the inner wall of the junction of the annular wrapping part (21) and the second connector body (2), and the annular protrusion (23) is embedded in the annular step (14).

5. The CPVC injection-molded integrated pipe fitting according to claim 4, characterized in that: The annular groove (12) is located on the outer peripheral wall of the first connector body (1) between the annular groove (13) and the annular step (14), and the sealing ring (3) is tightly sealed to the inner peripheral wall of the annular wrapping part (21) located between the annular insert (22) and the annular protrusion (23).

6. The CPVC injection-molded integrated pipe fitting according to any one of claims 2-5, characterized in that: On the outer wall of the first connector body (1) located on both sides of the axial direction of the annular groove (12), there are a number of spaced toothed grooves (15) arranged in a circumferential direction. Each toothed groove (15) extends along the axial direction of the first connector body (1), and the annular wrapping part (21) is embedded in the toothed groove (15).

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