Quick installation PVC water supply pipe

Abstract

The utility model relates to a PVC water supply pipe of quick installation, including first pipe body and second pipe body, the end of first pipe body near the junction is provided with the neck-in thin wall section, the end of second pipe body near the junction is provided with the thin wall socket section, the neck-in thin wall section is adapted with the thin wall socket section, the outer wall of neck-in thin wall section is provided with first sealing ring, the end face of neck-in thin wall section near second pipe body is provided with annular groove, is provided with second sealing ring in annular groove, still including the connecting piece for the positive pressure installation between first pipe body, second pipe body, and connecting piece sets up at least 1. The utility model is based on the ratchet wheel, the thread roller, the hand wheel and the elastic installation's bolt setting of connecting piece, and the staff can realize the positive pressure connection of first pipe body and second pipe body quickly, and through the cooperation locking of ratchet wheel and bolt, ensure the reliability of connection, avoid the connection slackening of pipeline due to internal pressure change (such as water hammer effect).

Description

Technical Field

[0001] This utility model relates to the field of PVC water pipe installation technology, and in particular to a PVC water supply pipe that can be installed quickly. Background Technology

[0002] Traditional PVC water supply pipes are complicated to install. Generally, a flaring tool is used to flare one section of the pipe, and then another section of the pipe is inserted into the flared opening. Then, glue is used to fix them together. This installation method is complicated and requires steps such as flaring, insertion, alignment, and curing, which affects the connection quality and assembly efficiency. In addition, for water supply pipes that need to withstand a certain pressure, traditional connection methods cannot guarantee the reliability of the connection, which can easily lead to loosening of the interface, thereby affecting the sealing and causing leakage. Summary of the Invention

[0003] Technical problem to be solved by the utility model Traditional PVC water supply pipe flaring and bonding is relatively complicated and has low assembly efficiency. For pressurized water supply pipes, traditional connection methods cannot guarantee the reliability of the connection.

[0004] Technical solutions for solving technical problems Other advantageous embodiments and extensions of this invention, which are inventive in themselves, are set forth in the following description.

[0005] A quick-installation PVC water supply pipe includes a first pipe body and a second pipe body. The end of the first pipe body near the connection is provided with a necked thin-walled section, and the end of the second pipe body near the connection is provided with a thin-walled socket section. The necked thin-walled section is adapted to the thin-walled socket section. The outer wall of the necked thin-walled section is provided with a first sealing ring, and the end face of the necked thin-walled section near the second tube body is provided with an annular groove, and a second sealing ring is provided in the annular groove. It also includes a connector for positive pressure installation between the first tube body and the second tube body, and at least one connector is provided.

[0006] Preferably, the connector includes, A connecting ear is provided on the outer wall of the first tube body and the second tube body, and a rectangular slot is provided on the connecting ear installed on the first tube body; An operating table is disposed on the outer wall of the second tube and located on one side of the connecting lug; A ratchet is provided on the operating table. A wire roller is provided on the ratchet. A pull wire is wound on the wire roller. A pull block is provided at the free end of the pull wire. A handwheel is provided at the end of the wire roller away from the ratchet. A vertical plate is set on the operating table and located on one side of the ratchet. A pin that can be inserted into the outer ratchet tooth of the ratchet is elastically installed on the vertical plate.

[0007] Preferably, the diameter of the pull wire is smaller than the opening of the rectangular slot, and the outer diameter of the pull block is larger than the diameter of the connecting ear.

[0008] Preferably, the connector further includes, A limiting rod is slidably disposed through the upright plate. A circular plate is provided at the end of the limiting rod near the ratchet, and an anti-disengagement block is provided at the end of the limiting rod away from the ratchet. The pin is fixed to the end face of the circular plate away from the limiting rod. A spring is disposed between the circular plate and the vertical plate and located outside the limiting rod; A positioning ring is disposed at the end of the upright plate away from the ratchet and located outside the limiting rod.

[0009] Preferably, the outer wall of the handwheel is provided with a plurality of evenly distributed anti-slip protrusions.

[0010] Preferably, the necked thin-walled section can be inserted into the thin-walled socket section, and after the insertion is completed, the inner / outer wall diameter at the connection between the first tube and the second tube is the same as the inner / outer wall diameter of the first tube and the second tube.

[0011] Preferably, the operating table is rectangular, and the end face of the operating table near the second tube is an arc surface adapted to the second tube.

[0012] Preferably, the connecting ear and the operating table are respectively bonded to the first tube body and the second tube body by adhesive or screws.

[0013] Effects of the utility model By setting up the first tube body with a necked thin-walled section and the second tube body with a thin-walled socket section, and with the pre-installed sealing ring, the installation time is shortened. Compared with the traditional glue installation method, there is no need for long-term docking and positioning, which effectively improves construction efficiency. The system employs a first sealing ring and a second sealing ring set in an annular groove. After the pipe body is inserted, the second sealing ring is pressed by the stepped surfaces of the necked thin-walled section end, the thin-walled socket section, and the second pipe body end, achieving multiple seals and improving the sealing performance at the connection. This system is suitable for water supply scenarios with different sealing requirements. With the ratchet, roller, handwheel, and flexible pin in the connector, workers can quickly achieve positive pressure connection between the first and second pipe bodies. The ratchet and pin lock the connection, ensuring its reliability and preventing loosening due to internal pressure changes (such as water hammer). Attached Figure Description

[0014] The embodiments of this utility model are described in detail below with reference to the accompanying drawings. In the drawings: Figure 1 This is a structural view of the present invention; Figure 2 This is a top view of the present invention; Figure 3 The above Figure 2 Sectional view of AA; Figure 4 This is a first structural view of the connector included in this utility model; Figure 5 This is a first structural view of the connector concealing the handwheel included in this utility model; Figure 6 This is a second structural view of the connector concealing the handwheel included in this utility model; Figure 7 The above Figure 3 A magnified view of part B in the image.

[0015] Explanation of reference numerals in the attached figures 1. First tube body; 101. Necked thin-walled section; 102. First sealing ring; 103. Annular groove; 2. Second tube body; 201. Thin-walled socket section; 202. Second sealing ring; 3. Operating table; 301. Connecting ear; 301-1. Rectangular slot; 4. Handwheel; 401. Wire roller; 401-1. Pull wire; 401-2. Pull block; 402. Ratchet; 403. Pin; 404. Circular plate; 405. Spring; 406. Limiting rod; 407. Positioning ring; 408. Anti-detachment block; 409. Vertical plate. Detailed Implementation

[0016] Hereinafter, with reference to the accompanying drawings, a quick-installation PVC water supply pipe that is one embodiment of the present invention will be described.

[0017] Please refer to Figures 1-3 As shown, as an embodiment of the present invention, a quick-installation PVC water supply pipe is provided, which includes a first pipe body 1 and a second pipe body 2, and a sealing ring for sealing the connection between the first pipe body 1 and the second pipe body 2. The end of the first tube 1 near the connection is provided with a necked thin-walled section 101, and the end of the second tube 2 near the connection is provided with a thin-walled socket section 201. The necked thin-walled section 101 and the thin-walled socket section 201 are adapted to each other, that is, the necked thin-walled section 101 at the end of the first tube 1 is inserted into the thin-walled socket section 201 at the end of the second tube 2. After the insertion is completed, the inner / outer wall diameter at the connection of the first tube 1 and the second tube 2 is the same as the inner / outer wall diameter of the first tube 1 and the second tube 2. Specifically, both the first tube body 1 and the second tube body 2 are made of PVC-U material, and the sealing rings are made of EPDM rubber. Regarding the sealing ring, including, The first sealing ring 102 is disposed on the outer wall of the first tube body 1 of the necked thin-walled section 101; An annular groove 103 is provided at the end of the necked thin-walled section 101 near the second tube body 2; The second sealing ring 202 is set in the annular groove 103. After the first tube body 1 and the second tube body 2 are inserted, the end of the necked thin-walled section 101 and the stepped surface of the thin-walled socket section 201 and the end of the second tube wall press the second sealing ring 202 to achieve multiple seals. During use, the operator places the sealing ring on the outer wall of the necked thin-walled section 101 and inside the annular groove 103. Adhesive is applied to the outer wall of the necked thin-walled section 101 and the inner wall of the thin-walled socket section 201. The first tube 1 is inserted through the necked thin-walled section 101 into the thin-walled socket section 201 at the end of the second tube 2. It is then fixed to the connection between the first tube 1 and the second tube 2 using 3M tape. After the adhesive has fully cured, the 3M tape is removed, completing the installation connection between the first tube 1 and the second tube 2.

[0018] Please refer to Figures 1-7 As another embodiment of this utility model, a connector for positive pressure connection between a first pipe body 1 and a second pipe body 2 is provided. The connector is configured to be at least one, and includes an operating platform 3, and further includes... There are two connecting ears 301, which are respectively installed on the outer walls of the first tube 1 and the second tube 2, and are correspondingly set. The connecting ears 301 have through holes. Specifically, a rectangular slot 301-1 is provided on the connecting ear 301 located on the outer wall of the first tube body 1. This is to facilitate the insertion of the pull wire 401-1 into the rectangular slot 301-1, and to limit the pull block after insertion. More specifically, the operating table 3 is made of polycarbonate engineering plastic and is rectangular in shape. Its end face near the second tube 2 is set as an arc surface that fits the outer wall of the second tube 2. When using, Step 1: The worker inserts the pull wire 401-1 through the rectangular slot 301-1 into the hole on the connecting ear 301. The pull block at the end of the pull wire 401-1 is located on the side of the connecting ear 301 closer to the first tube 1. The other end of the pull wire 401-1 passes through the hole on the connecting ear 301 on the second tube 2. Pulling the pull wire 401-1 will achieve a positive pressure connection (compression) between the first tube 1 and the second tube 2. A ratchet 402 is rotatably mounted on the operating table 3. A wire roller 401 is mounted on the ratchet 402. A pull wire 401-1 is wound around the outside of the wire roller 401. A handwheel 4 is mounted on the wire roller 401. The tensioning of the pull wire 401-1 described in step one is achieved by rotating the handwheel 4 to drive the wire roller 401. Specifically, the outer wall of handwheel 4 is provided with several evenly distributed anti-slip protrusions; The upright plate 409 is set on the upper surface of the operating table 3 and is located on one side of the ratchet 402; The limiting rod 406 passes through the upright plate 409 and is slidably connected to the upright plate 409. A circular plate 404 is provided at the end of the limiting rod 406 near the ratchet 402. A pin 403 is provided on the surface of the circular plate 404 near the ratchet 402. A spring 405 is provided between the circular plate 404 and the vertical plate 409, and outside the limiting rod 406; Specifically, spring 405 is used to achieve elastic mounting between pin 403 and upright plate 409; More specifically, the pin 403 can be inserted into the ratchet teeth on the outside of the ratchet 402, thereby restricting the rotation of the ratchet 402; A positioning ring 407 is located on the side of the upright plate 409 away from the ratchet 402, and a support rod (not shown in the attached drawing) is provided between the positioning ring 407 and the upright plate 409. Anti-detachment block 408 is provided at the end of the limiting rod 406 away from the ratchet 402, and the diameter of anti-detachment block 408 is larger than the inner diameter of positioning ring 407; When in use, the operator pulls the anti-detachment block 408, compresses the spring 405, and drives the limit rod 406, the circular plate 404, and the pin 403 to move away from the ratchet 402. At this time, the handwheel 4 is turned, which drives the wire roller 401 to rotate, thereby tightening the pull wire 401-1, and thus achieving the action of pressing the first tube 1 and the second tube 2. The anti-detachment block 408 is released, the spring 405 is reset, and the pin 403 is inserted into the ratchet tooth on the outside of the ratchet 402 to restrict the rotation of the ratchet 402, thereby maintaining the tension of the pull wire 401-1 on the wire roller, and realizing positive pressure assembly of the first tube 1 and the second tube 2. The operating table 3 and connecting lug 301 can be fixed to the outer wall of the first pipe body 1 and the second pipe body 2 by screws and glue. The pipe body installation methods that the operator can choose include: S1. Apply glue between the necked thin-walled section 101 and the thin-walled socket section 201, and then use the connector to assist in curing. After the glue is completely cured, remove the connector (operating table 3, connecting ear 301) to complete the glue installation and fixation. This installation method is suitable for application scenarios that have high requirements for the appearance of the pipe body and do not want the connector to remain for a long time. S2. After the operating table 3 and connecting ear 301 are completely fixed to the outer wall of the pipe body, and the first pipe body 1 and the second pipe body 2 are assembled under positive pressure, the connecting parts (operating table 3 and connecting ear 301) are not removed, so that the first pipe body 1 and the second pipe body 2 are kept in a positive pressure assembly state for a long time, which can improve the sealing effect at the connection between the first pipe body 1 and the second pipe body 2. This installation method is suitable for application scenarios with extremely high requirements for pipe sealing and where whether or not the connecting parts are left does not affect the use.

[0019] Compared with the prior art, this utility model has the following characteristics: By setting the first tube body 1 necked thin-walled section 101 and the second tube body 2 thin-walled socket section 201, and with the pre-installed sealing ring, the installation time is shortened. Compared with the traditional glue installation method, there is no need for long-term docking and positioning, which effectively improves construction efficiency. The first sealing ring 102 and the second sealing ring 202 set in the annular groove 103 are used. After the pipe body is inserted, the second sealing ring 202 is pressed by the stepped surface of the necked thin-walled section 101 end-thin-walled socket section 201 and the second pipe body 2 end, so as to achieve multiple seals, improve the sealing performance of the connection, and is suitable for water supply scenarios with different sealing requirements. With the ratchet 402, roller 401, handwheel 4, and elastically installed pin 403 in the connector, the operator can quickly achieve positive pressure connection between the first pipe body 1 and the second pipe body 2. The ratchet 402 and pin 403 work together to lock the connection, ensuring its reliability and preventing the connection from loosening due to internal pressure changes (such as water hammer effect).

[0020] This utility model is not limited to any particular implementation method; various modifications can be made as long as the principle is not violated.

Claims

1. A quick-installation PVC water supply pipe, comprising a first pipe body (1) and a second pipe body (2), characterized in that: The first tube body (1) is provided with a necked thin-walled section (101) at the end near the connection, and the second tube body (2) is provided with a thin-walled socket section (201) at the end near the connection. The necked thin-walled section (101) is adapted to the thin-walled socket section (201). The outer wall of the necked thin-walled section (101) is provided with a first sealing ring (102), and the end face of the necked thin-walled section (101) near the second tube body (2) is provided with an annular groove (103), and a second sealing ring (202) is provided in the annular groove (103). It also includes a connector for positive pressure installation between the first tube body (1) and the second tube body (2), and at least one connector is provided.

2. The quick-installation PVC water supply pipe according to claim 1, characterized in that: The connector includes, A connecting ear (301) is provided on the outer wall of the first tube body (1) and the second tube body (2). The connecting ear (301) installed on the first tube body (1) is provided with a rectangular slot (301-1). The operating table (3) is located on the outer wall of the second tube (2) and on one side of the connecting ear (301); A ratchet (402) is provided on the operating table (3). A wire roller (401) is provided on the ratchet (402). A pull wire (401-1) is wound on the wire roller (401). A pull block is provided at the free end of the pull wire (401-1). A handwheel (4) is provided at the end of the wire roller (401) away from the ratchet (402). A vertical plate (409) is set on the operating table (3) and located on one side of the ratchet (402). A pin (403) that can be inserted into the ratchet tooth on the outside of the ratchet (402) is elastically installed on the vertical plate (409).

3. The quick-installation PVC water supply pipe according to claim 2, characterized in that: The diameter of the pull wire (401-1) is smaller than the opening of the rectangular slot (301-1), and the outer diameter of the pull block is larger than the diameter of the connecting ear (301).

4. The quick-installation PVC water supply pipe according to claim 2, characterized in that: The connector also includes, A limiting rod (406) is slidably disposed through the upright plate (409). A circular plate (404) is provided at the end of the limiting rod (406) near the ratchet (402), and an anti-disengagement block (408) is provided at the end of the limiting rod (406) away from the ratchet (402). The pin (403) is fixed to the end face of the circular plate (404) away from the limiting rod (406). A spring (405) is disposed between the circular plate (404) and the vertical plate (409) and located outside the limiting rod (406); The positioning ring (407) is disposed at the end of the upright plate (409) away from the ratchet (402) and located outside the limiting rod (406).

5. A quick-installation PVC water supply pipe according to claim 2, characterized in that: The outer wall of the handwheel (4) is provided with several evenly distributed anti-slip protrusions.

6. The quick-installation PVC water supply pipe according to claim 1, characterized in that: The necked thin-walled section (101) can be inserted into the thin-walled socket section (201). After the insertion is completed, the inner / outer wall diameter at the connection between the first tube (1) and the second tube (2) is the same as the inner / outer wall diameter of the first tube (1) and the second tube (2).

7. A quick-installation PVC water supply pipe according to claim 2, characterized in that: The operating table (3) is rectangular, and the end face of the operating table (3) near the second tube (2) is an arc surface adapted to the second tube (2).

8. A quick-installation PVC water supply pipe according to claim 2, characterized in that: The connecting ear (301) and the operating table (3) are respectively bonded to the first tube (1) and the second tube (2) by glue or screws.

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