Connector for PVC noise reduction pipe

Abstract

The connector comprises a main pipe body, a side pipe and a flow deflector, the side pipe is connected with the middle of the main pipe body, a clamping groove is formed in the inner wall of the lower portion of the main pipe body, an opening of the clamping groove faces upwards, and the flow deflector is inserted into the clamping groove from top to bottom; the flow deflectors are spiral, the upper end faces of the flow deflectors are inclined, and one sides of the upper end faces of the flow deflectors are tightly attached to the inner wall of the main pipe body. The number of the clamping grooves is 3-6, and the clamping grooves are distributed in the inner wall of the lower portion of the main pipe body in an annular array mode. The clamping grooves are formed in the inner wall of the main pipe body, so that the flow deflectors can be clamped to the lower portion of the main pipe body, after water flow is collected in the main pipe body, the spiral flow deflectors enable the water flow to spirally flow along the inner wall, after the flow deflectors are damaged, the sealing cover can be opened, the flow deflectors can be replaced from the access hole, and the maintenance difficulty of the connector is reduced.

Description

Technical Field

[0001] The present application relates to the technical field of drainage pipes, and in particular to a joint for a PVC noise reduction pipe. Background Art

[0002] At present, some high-rise buildings or hospitals often use PVC noise reduction pipes as drainage pipes in order to reduce the noise emitted by drainage pipes. The PVC noise reduction pipes are provided with spiral ribs inside. When the water flows through the inner wall of the pipe, the water flows in an orderly spiral manner to avoid the chaotic water flow, thereby reducing the impact of the water flow on the pipe wall, which facilitates the air flow to pass through the pipe and achieve smooth drainage. In order to match the PVC noise reduction pipe, people have designed some corresponding joints, such as a rigid polyvinyl chloride swirl noise reduction tee joint disclosed in the Chinese patent application number 200320114813.0, which consists of a main pipe, a branch pipe, an inspection port and a swirl blade. The main pipe has an upper socket and a lower socket, which is characterized in that 1 to 5 swirl blades are evenly arranged on the inner wall of the main pipe along the circumferential direction. The swirl blades are in the shape of a propeller and are located below the branch pipe opening. The swirl blades allow the water flow to be gathered in the joint and then continue to flow downward in a spiral shape. In actual use, the swirl blades are easily broken under the long-term impact of the water flow, and the one-piece molded joint is not easy to replace. Therefore, a joint for PVC noise reduction pipes is needed, which has a replaceable guide plate inside, which is convenient for replacement after the guide plate breaks, thereby reducing the difficulty of maintaining the joint. Utility Model Content

[0003] In order to solve the above problems, the present application proposes a joint for a PVC noise reduction pipe, which is provided with a replaceable guide plate inside, so as to facilitate replacement after the guide plate breaks, thereby reducing the difficulty of maintaining the joint.

[0004] This application is implemented through the following technical solutions:

[0005] The present application proposes a joint for a PVC noise reduction pipe, comprising: a main body, a side pipe, and a guide plate, wherein the side pipe is connected to the middle part of the main body, a slot is provided on the inner wall of the lower part of the main body, the opening of the slot faces upward, and the guide plate is inserted into the slot from top to bottom; the guide plate is spiral-shaped, the upper end surface of the guide plate is inclined, and one side of the upper end surface of the guide plate is tightly attached to the inner wall of the main body; there are 3 to 6 slots, which are distributed in a ring array on the inner wall of the lower part of the main body.

[0006] Furthermore, a clamping portion is provided on one side of the guide plate, the clamping portion is arc-shaped, and the curvature of the clamping portion is matched with the curvature of the inner wall of the main pipe.

[0007] Furthermore, a reinforcing rib is provided between the clamping portion and the guide plate.

[0008] Furthermore, the lower part of the card slot is supported by a strip, and the strip is pressed against the lower end surface of the card connection part.

[0009] Furthermore, an inspection port is provided 10 cm to 20 cm above the guide plate, and a sealing cover is provided on the inspection port, and the sealing cover is installed at the inspection port through threads.

[0010] Furthermore, a connecting groove is provided at the lower part of the main pipe body, and the connecting groove is used to be connected to the PVC noise reduction pipe.

[0011] The beneficial effects of the present application are as follows: by arranging a card groove on the inner wall of the main body, the guide plate can be stuck in the lower part of the main body. After the water flow is gathered in the main body, the spiral guide plate is used to make the water flow in a spiral shape along the inner wall. After the guide plate is damaged, the sealing cover can be opened and the guide plate can be replaced from the inspection port, thereby reducing the difficulty of maintaining the joint. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a schematic diagram of the structure of the utility model;

[0013] Figure 2 A schematic diagram of the guide vane being installed on the inner wall of the main pipe;

[0014] Figure 3 This is a structural schematic diagram of the card slot of the utility model;

[0015] Figure 4 It is a structural schematic diagram of the guide plate of the utility model;

[0016] In the figure: 1-main body, 2-side pipe, 3-guide plate, 4-slot, 5-clamping part, 6-reinforcement rib, 7-support bar, 8-inspection port, 9-sealing cover, 10-connecting groove. DETAILED DESCRIPTION

[0017] The technical solutions in the embodiments of the present application will be described clearly and completely below in conjunction with the drawings in the embodiments of the present application, wherein the same or similar reference numerals throughout represent the same or similar elements or elements with the same or similar functions. Obviously, the described embodiments are only a part of the embodiments of the utility model, not all of them. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0018] It should be noted that all directional indications in the embodiments of the present application (such as up, down, left, right, front, back, etc.) are only used to explain the relative position relationship, movement status, etc. between the components under a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly.

[0019] In addition, the descriptions of "first", "second", etc. in this application are only used for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In addition, the technical solutions between the various embodiments can be combined with each other, but they must be based on the ability of ordinary technicians in this field to implement them. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such a combination of technical solutions does not exist and is not within the scope of protection required by this utility model.

[0020] like Figures 1 to 4 As shown, an embodiment of the utility model provides a joint for a PVC noise reduction pipe, comprising: a main body 1, a side pipe 2, and a guide plate 3, wherein the side pipe 2 is connected to the middle part of the main body 1, and a slot 4 is provided on the inner wall of the lower part of the main body 1, the opening of the slot 4 faces upward, and the guide plate 3 is inserted into the slot 4 from top to bottom; the guide plate 3 is spiral-shaped, and the upper end surface of the guide plate 3 is inclined, and one side of the upper end surface of the guide plate 3 is tightly attached to the inner wall of the main body 1; there are 3 to 6 slots 4, and the slots 4 are distributed in a ring array on the inner wall of the lower part of the main body 1.

[0021] After the PVC noise reduction pipe is connected to the upper part of the main body 1 and the side pipe 2, the water flow is collected in the main body 1, and the water flow flows downward under the action of gravity. When the water flow flows through the guide plate 3, the spiral guide plate 3 causes the water flow to rotate, so that the water flow flows downward along the inner wall of the main body 1, and quickly flows into the PVC noise reduction pipe at the lower part of the main body 1. When rotating and flowing downward, the PVC noise reduction pipe and the middle part of the main body 1 can make the air flow flow upward, ensure the air pressure balance, and prevent water plugging, thereby achieving the effect of reducing noise. Under the long-term scouring of the water flow, the guide plate 3 is easily damaged after aging. At this time, the sealing cover 9 can be opened, and the broken guide plate 3 can be replaced from the inspection port 8 to reduce the maintenance difficulty of the joint. The joint is made of injection molding technology, and the main body 1, the side pipe 2, and the card slot 4 are integrally formed to reduce the difficulty of molding. There are 3 to 6 card slots 4, which can effectively guide the water flow and make the water flow spirally downward.

[0022] Preferably, a clamping portion 5 is provided on one side of the guide plate 3, the clamping portion 5 is arc-shaped, and the curvature of the clamping portion 5 is adapted to the curvature of the inner wall of the main pipe body 1, and the clamping portion 5 is used to connect with the slot 4, so that the guide plate 3 can be fixed on the inner wall of the main pipe body 1.

[0023] Preferably, if Figure 4 As shown, a reinforcing rib 6 is provided between the clamping portion 5 and the guide vane 3 to improve the structural strength of the guide vane 3 and prevent the guide vane 3 from being deformed when impacted by water flow.

[0024] In a preferred embodiment, Figure 3As shown, the lower part of the slot 4 supports the strip 7, and the strip 7 is pressed against the lower end surface of the clamping portion 5. The strip 7 can support the clamping portion 5, thereby improving the stability of the guide plate 3 and preventing the guide plate 3 from being deformed under the impact of water flow.

[0025] In a preferred embodiment, Figure 2 As shown, an inspection port 8 is provided 10 cm to 20 cm above the guide vane 3, and a sealing cover 9 is provided on the inspection port 8. The sealing cover 9 is installed at the inspection port 8 through threads. After opening the sealing cover 9, the guide vane 3 can be maintained, leaves hooked on the guide vane 3 can be cleaned, or the damaged guide vane 3 can be replaced. When replacing, the guide vane 3 is lifted upward with force to overcome the friction force and then separated from the slot 4 to replace a new guide vane 3. After the replacement is completed, the sealing cover 9 is tightened to avoid leakage.

[0026] In a specific embodiment, a connecting groove 10 is provided at the lower part of the main pipe body 1, and the connecting groove 10 is used to connect with the PVC noise reduction pipe. The edge of the connecting groove 10 can be inserted into the lower PVC noise reduction pipe 1cm to 3cm, so that the water flow can flow into the lower PVC noise reduction pipe more smoothly, reducing the probability of leakage.

[0027] Of course, the present application may have many other implementations. Based on the present implementation, other implementations obtained by ordinary technicians in this field without any creative work are all within the scope of protection of the present application.

Claims

1. A joint for a PVC noise reduction pipe, characterized in that: include: A main body (1), a side pipe (2), and a guide vane (3), wherein the side pipe (2) is connected to the middle of the main body (1), a slot (4) is provided on the inner wall of the lower part of the main body (1), the opening of the slot (4) faces upward, and the guide vane (3) is inserted into the slot (4) from top to bottom; the guide vane (3) is spiral-shaped, the upper end surface of the guide vane (3) is inclined, and one side of the upper end surface of the guide vane (3) is in close contact with the inner wall of the main body (1); there are 3 to 6 slots (4), and the slots (4) are distributed in a ring array on the inner wall of the lower part of the main body (1).

2. A joint for a PVC noise reduction pipe according to claim 1, characterized in that: A clamping portion (5) is provided on one side of the guide plate (3); the clamping portion (5) is arc-shaped, and the curvature of the clamping portion (5) matches the curvature of the inner wall of the main pipe (1).

3. A joint for a PVC noise reduction pipe according to claim 2, characterized in that: A reinforcing rib (6) is provided between the clamping portion (5) and the guide plate (3).

4. A joint for a PVC noise reduction pipe according to claim 2, characterized in that: The lower part of the clamping groove (4) is supported by a support bar (7), and the support bar (7) is pressed against the lower end surface of the clamping portion (5).

5. A joint for a PVC noise reduction pipe according to claim 1, characterized in that: An inspection opening (8) is provided 10 cm to 20 cm above the guide plate (3), and a sealing cover (9) is provided on the inspection opening (8). The sealing cover (9) is installed at the inspection opening (8) through threads.

6. A joint for a PVC noise reduction pipe according to claim 1, characterized in that: The lower part of the main pipe body (1) is provided with a connection groove (10), and the connection groove (10) is used to be connected to a PVC noise reduction pipe.

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