A route diversity booster
By designing a manifold expansion device and using a connection method of main pipe and expansion module, the high cost and complex construction problems of adding heating areas when the underfloor heating system is expanded are solved, and low-cost and simple pipeline expansion and sealing control are achieved.
Patent Information
- Application Number
- CN202522564550.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-12-03
- Publication Date
- 2026-11-03
- Estimated Expiration
- 2035-12-03
AI Technical Summary
When adding heating areas or independent loops to existing underfloor heating systems, the entire manifold needs to be replaced, which increases material and labor costs and complicates construction.
Design a manifold expansion device, including a main bar and expansion modules. The main bar connects to the original manifold, and the expansion modules independently control the underfloor heating pipes. A double sealing structure and locking nuts are used to ensure a stable connection. The valve design enables water flow control.
It enables a low-cost and simple way to increase the number of manifold channels, enhances connection sealing and construction applicability, and reduces production costs and installation complexity.
Smart Images
Figure CN224932836U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the technical field of heating, ventilation and air conditioning equipment, and in particular to a manifold for increasing the number of water outlets. Background Technology
[0002] Underfloor heating systems, as a comfortable heating method, are widely used in modern buildings. In practical applications, users often encounter situations where they need to expand the heating area (such as house expansion or balcony renovation) or add independent loops to existing rooms. The most direct method to meet this need is to replace the entire manifold to create more loops. This not only requires purchasing a new manifold but also involves a series of cumbersome procedures such as dismantling the original system, reinstalling, and pressure testing, leading to a significant increase in material and labor costs and placing a heavy financial burden on users. Utility Model Content
[0003] This utility model aims to address the shortcomings of existing technologies by providing a manifold expansion device that can increase the number of manifold channels, helping users solve the problem of expanding the number of manifold channels in a low-cost and easy-to-construct manner.
[0004] To achieve the above objectives, this utility model adopts the following technical solution:
[0005] A manifold expansion device includes a main bar and at least one expansion module;
[0006] One end of the main bar is provided with a connecting pipe section for connecting to the original water distribution unit. A conical sealing gasket mounting groove is provided in the middle of the outer wall of the connecting pipe section. A conical sealing gasket is installed in the conical sealing gasket mounting groove. A locking nut is screwed on the inner side of the outer wall of the connecting pipe section. A connecting pipe seat for connecting the circuit expansion module is provided at the bottom of the outer wall of the main bar.
[0007] The circuit expansion module includes a valve body and a valve cover; one end of the valve body is threaded to the connecting pipe seat of the main rod and the connection is equipped with a double-sealed O-ring I and a rubber gasket; a valve ball is installed inside the valve body, and a valve stem is installed on one side of the valve ball. The valve stem passes through the side wall of the valve body and is connected to a handle. A baffle for limiting the rotation angle is fitted on the valve stem; the other end of the valve body is connected to the valve cover, and the bottom of the valve cover is equipped with an integrally formed adapter for directly inserting the underfloor heating pipe.
[0008] The inner end of the outer wall of the connecting pipe seat is provided with an O-ring I mounting groove, and the O-ring I is installed in the O-ring I mounting groove.
[0009] The valve body has a valve ball mounting cavity, and the upper part of the valve ball mounting cavity has an upper sealing gasket mounting groove, in which a sealing gasket is installed.
[0010] The upper end of the valve body is provided with a port that is threaded to the connecting pipe seat, and the port is provided with a rubber gasket mounting groove, and the rubber gasket is installed in the rubber gasket mounting groove.
[0011] The valve body side wall is provided with a socket seat for valve stem installation. The valve stem is provided with an O-ring II mounting groove on the outer wall corresponding to the socket seat. An O-ring II is installed in the O-ring II mounting groove. The valve stem is fixed to the handle by screws.
[0012] A limiting block is provided on the side wall of the valve body corresponding to the top of the socket seat. The baffle is located below the limiting block. The baffle includes a semi-circular structure in the upper part and a fan-shaped structure in the lower part. The two ends of the fan-shaped structure extend to the two ends of the semi-circular structure. A through hole for the valve stem to pass through is provided on the baffle.
[0013] The upper end of the valve cover is threaded to the inner wall of the lower end of the valve body. The upper end of the valve cover is provided with a lower sealing gasket mounting groove, and a sealing gasket is also installed in the lower sealing gasket mounting groove.
[0014] The valve cover has a nut screwed onto its outer wall by threads, and a clamp is provided between the nut and the adapter.
[0015] The beneficial effects of this utility model are: the manifold expansion module of this utility model is connected to the original manifold through the main bar, and each expansion module independently controls one floor heating pipe. When the handle is turned, the valve stem drives the valve ball to rotate, realizing the opening and closing of the water flow, thus realizing the function of adding pipes to the original pipes. Attached Figure Description
[0016] Figure 1 This is a cross-sectional view of the present invention;
[0017] Figure 2 This is a perspective view of the present utility model;
[0018] Figure 3 A cross-sectional view of the main bar;
[0019] Figure 4 A three-dimensional diagram of the main bar;
[0020] Figure 5 This is a cross-sectional view of the valve body;
[0021] Figure 6 This is a three-dimensional view of the valve body;
[0022] Figure 7 This is a cross-sectional view of the valve cover;
[0023] Figure 8 This is a 3D view of the valve cover;
[0024] Figure 9 This is a three-dimensional view of the baffle.
[0025] Figure 10 This is a cross-sectional view of the valve stem;
[0026] Figure 11 This is a 3D view of the valve stem;
[0027] In the diagram: 1-Main rod; 2-Conical sealing gasket; 3-Locking nut; 4-O-ring I; 5-Rubber gasket; 6-Valve body; 7-Valve ball; 8-Sealing gasket; 9-Valve cover; 10-Nut; 11-Clamp; 12-Handle; 13-Baffle; 14-Screw; 15-Valve stem; 16-O-ring II;
[0028] 101-O-ring I mounting groove; 102-Conical gasket mounting groove; 103-Connecting pipe section; 104-Connecting pipe seat;
[0029] 601 - Upper sealing gasket mounting groove; 602 - Socket seat; 603 - Rubber gasket mounting groove; 604 - Valve ball mounting cavity; 605 - Limiting block;
[0030] 901 - Lower sealing gasket mounting groove; 902 - Adapter;
[0031] 1501-O-ring II mounting slot;
[0032] The following will describe in detail the embodiments of this utility model with reference to the accompanying drawings. Detailed Implementation
[0033] The principles and features of this utility model are described below with reference to the accompanying drawings. The embodiments described are for illustrative purposes only and are not intended to limit the scope of this utility model. The utility model is described more specifically in the following paragraphs by way of example with reference to the accompanying drawings. The advantages and features of this utility model will become clearer from the following description. It should be noted that the drawings are all in a very simplified form and use non-precise proportions, and are only used to facilitate and clarify the illustration of the embodiments of this utility model.
[0034] It should be noted that when a component is described as "fixed to" another component, it can be directly on the other component or may have a component in between. When a component is considered "connected to" another component, it can be directly connected to the other component or may have a component in between. When a component is considered "set on" another component, it can be directly set on the other component or may have a component in between. The terms "vertical," "horizontal," "left," "right," and similar expressions used in this document are for illustrative purposes only.
[0035] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention pertains. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The term "and / or" as used herein includes any and all combinations of one or more of the associated listed items.
[0036] The present invention will be further described below with reference to the accompanying drawings and embodiments:
[0037] like Figures 1 to 11 As shown, a manifold expansion device includes a main bar 1 and at least one expansion module.
[0038] One end of the main shaft 1 is provided with a connecting pipe section 103 for connecting to the original water distribution unit. A conical sealing gasket mounting groove 102 is provided in the middle of the outer wall of the connecting pipe section 103. A conical sealing gasket 2 is installed in the conical sealing gasket mounting groove 102. A locking nut 3 is screwed on the inner side of the outer wall of the connecting pipe section 103. A connecting pipe seat 104 for connecting the circuit expansion module is provided at the bottom of the outer wall of the main shaft 1.
[0039] The inner end of the outer wall of the connecting pipe seat 104 is provided with an O-ring I mounting groove 101, and the O-ring I 4 is installed in the O-ring I mounting groove 101.
[0040] The circuit expansion module includes a valve body 6 and a valve cover 9. One end of the valve body 6 is threaded to the connecting pipe seat 104 of the main rod 1, and the connection is provided with a double-sealed O-ring I4 and a rubber gasket 5. A valve ball 7 is provided inside the valve body 6, and a valve stem 15 is installed on one side of the valve ball 7. The valve stem 15 extends out of the side wall of the valve body 6 and is connected to a handle 12. A baffle 13 for limiting the rotation angle is fitted on the valve stem 15. The other end of the valve body 6 is connected to the valve cover 9, and the bottom of the valve cover 9 is provided with an integrally formed adapter 902 for directly inserting the underfloor heating pipe.
[0041] The valve body 6 has a valve ball mounting cavity 604 inside, and an upper sealing gasket mounting groove 601 is provided on the upper part of the valve ball mounting cavity 604. A sealing gasket 8 is installed in the upper sealing gasket mounting groove 601.
[0042] The upper end of the valve body 6 is provided with a port that is threaded to the connecting pipe seat 104, and a rubber pad mounting groove 603 is provided in the port. The rubber pad 5 is installed in the rubber pad mounting groove 603.
[0043] The valve body 6 has a socket seat 602 for mounting the valve stem 15 on its side wall. The valve stem 15 has an O-ring II mounting groove 1501 on its outer wall corresponding to the socket seat 602. An O-ring II 16 is installed in the O-ring II mounting groove 1501. The valve stem 15 is fixed to the handle 12 by screws 14.
[0044] A limiting block 605 is provided on the side wall of the valve body 6 corresponding to the top of the socket seat 602. The baffle 13 is located below the limiting block 605. The baffle 13 includes a semi-circular structure in the upper part and a fan-shaped structure in the lower part. The two ends of the fan-shaped structure extend out to the two ends of the semi-circular structure. A through hole is provided on the baffle 13 for the valve stem 15 to pass through.
[0045] The upper end of the valve cover 9 is threaded to the inner wall of the lower end of the valve body 6. The upper end of the valve cover 9 is provided with a lower sealing gasket mounting groove 901, and a sealing gasket 8 is also installed in the lower sealing gasket mounting groove 901.
[0046] A nut 10 is screwed onto the outer wall of the valve cover 9 by threads, and a clamp 11 is provided between the nut 10 and the adapter 902.
[0047] The installation process of this utility model is as follows:
[0048] First, place the O-ring I 4 into the O-ring I mounting groove 101 of the main rod 1, screw the locking nut 3 into the main rod 1, and then place the tapered sealing gasket 2 into the tapered sealing gasket mounting groove 102 of the main rod.
[0049] Then, insert the O-ring II 16 into the O-ring II mounting groove 1501 of the valve stem 15; then, place a sealing gasket 8 into the upper sealing gasket mounting groove 601 of the valve body 6; then, place the valve stem 15 into the socket seat 602 of the valve body 6; then, place the valve ball 7 into the valve body 6; then, place another sealing gasket 8 into the lower sealing gasket mounting groove 901 of the valve cover 9; then, screw the valve cover 9 onto the valve body 6; then, insert the clamp 11 into the valve cover 9; then, screw the nut 10 onto the valve cover 9; then, place the rubber gasket 5 into the rubber gasket mounting groove 603 of the valve body; then, insert the baffle 13 into the valve stem 15; then, insert the handle 12 onto the valve stem 15; and finally, lock the handle 12 and the valve stem 15 together with the screw 14.
[0050] Finally, the valve body 6 with its parts installed is screwed onto the main rod 1 with its parts installed.
[0051] The advantages of this utility model are as follows:
[0052] Feature 1: The valve body 6 and the main rod 1 are threaded together. When the valve body 6 and the main rod 1 are tightened, the handle 12 is just on the side. The advantage of this is that the valve can be opened and closed regardless of whether the manifold is installed on the left or right side of the manifold, which enhances the applicability of the product.
[0053] Feature 2: The valve body 6 and the main rod 1 are sealed with a double seal of O-ring I4 and rubber gasket 5, which increases the sealing performance of the connection and makes it suitable for heating environments and durable.
[0054] Feature 3: When connecting the manifold expansion unit to the manifold, a conical sealing gasket 2 is used, equipped with a locking nut 3. The tightness of the locking nut 3 can be adjusted to adapt to the sealing groove specifications of various manifolds. After connection, the manifold expansion unit is fixed to the connected manifold by the locking nut to prevent loosening and leakage.
[0055] Feature 4: The valve cover 9 adopts an integrated design with adapter 902, which can accommodate underfloor heating pipes, reduce the number of parts, lower production costs, and improve safety in use.
[0056] Feature 5: The valve opening and closing angle is limited by the baffle plate 13, which can realize the valve opening and closing angle of 90° in both directions, so that the manifold can be opened and closed normally when it is installed on the left or right.
[0057] The manifold expansion unit of this utility model is connected to the original manifold through the main rod 1. Each expansion module independently controls one underfloor heating pipe. When the handle 12 is turned, the valve rod 15 drives the valve ball 7 to rotate, realizing the opening and closing of the water flow, thus realizing the function of adding pipes to the original pipes.
[0058] The present invention has been described above with reference to the accompanying drawings. Obviously, the specific implementation of the present invention is not limited to the above-described manner. Any improvements made using the inventive concept and technical solution of the present invention, or direct application to other situations without modification, are all within the protection scope of the present invention.
Claims
1. A water distribution manifold with multiple channels, characterized in that, Includes a main shaft (1) and at least one circuit-increasing module; One end of the main bar (1) is provided with a connecting pipe section (103) for connecting the original water distribution unit. A conical sealing gasket mounting groove (102) is provided in the middle of the outer wall of the connecting pipe section (103). A conical sealing gasket (2) is installed in the conical sealing gasket mounting groove (102). A locking nut (3) is screwed on the inner side of the outer wall of the connecting pipe section (103). A connecting pipe seat (104) for connecting the circuit expansion module is provided at the bottom of the outer wall of the main bar (1). The circuit expansion module includes a valve body (6) and a valve cover (9); one end of the valve body (6) is threaded to the connecting pipe seat (104) of the main rod (1) and the connection is provided with a double-sealed O-ring I (4) and a rubber gasket (5); a valve ball (7) is provided inside the valve body (6); a valve stem (15) is installed on one side of the valve ball (7); the valve stem (15) passes through the side wall of the valve body (6) and is connected to a handle (12); a baffle (13) for limiting the rotation angle is fitted on the valve stem (15); the other end of the valve body (6) is connected to the valve cover (9); the bottom of the valve cover (9) is provided with an integrally formed adapter (902) for directly inserting the underfloor heating pipe.
2. The water distribution manifold according to claim 1, characterized in that, The inner end of the outer wall of the connecting pipe seat (104) is provided with an O-ring I mounting groove (101), and the O-ring I (4) is installed in the O-ring I mounting groove (101).
3. A water distribution manifold with an increased flow path according to claim 1, characterized in that, The valve body (6) is provided with a valve ball mounting cavity (604), and the upper part of the valve ball mounting cavity (604) is provided with an upper sealing gasket mounting groove (601), and a sealing gasket (8) is installed in the upper sealing gasket mounting groove (601).
4. A manifold expansion device according to claim 3, characterized in that, The upper end of the valve body (6) is provided with a port that is threaded to the connecting pipe seat (104) and a rubber pad mounting groove (603) is provided in the port. The rubber pad (5) is installed in the rubber pad mounting groove (603).
5. A manifold expansion device according to claim 4, characterized in that, The valve body (6) has a socket seat (602) on its side wall for mounting the valve stem (15). The valve stem (15) has an O-ring II mounting groove (1501) on its outer wall corresponding to the socket seat (602). An O-ring II (16) is installed in the O-ring II mounting groove (1501). The valve stem (15) is fixed to the handle (12) by screws (14).
6. A manifold expansion device according to claim 5, characterized in that, A limiting block (605) is provided on the side wall of the valve body (6) corresponding to the top of the socket seat (602). The baffle (13) is located below the limiting block (605). The baffle (13) includes a semi-circular structure in the upper part and a fan-shaped structure in the lower part. The two ends of the fan-shaped structure extend out to the two ends of the semi-circular structure. A through hole for the valve stem (15) to pass through is provided on the baffle (13).
7. A manifold expansion device according to claim 6, characterized in that, The upper end of the valve cover (9) is threaded to the inner wall of the lower end of the valve body (6). The upper end of the valve cover (9) is provided with a lower sealing gasket mounting groove (901), and a sealing gasket (8) is also installed in the lower sealing gasket mounting groove (901).
8. A manifold expansion device according to claim 7, characterized in that, The valve cover (9) has a nut (10) screwed onto its outer wall by threads, and a clamp (11) is provided between the nut (10) and the adapter (902).
9. A manifold expansion device according to claim 8, characterized in that, After the valve body (6) and the main rod (1) are screwed together, the handle (12) is located on the side of the valve body (6).