Capillary network structure

Abstract

The utility model relates to a capillary network structure which comprises a main pipe and a plurality of capillary branch pipes, each capillary branch pipe is of a funnel-shaped structure with a pipe head and a pipe body integrally formed, and the capillary branch pipes are communicated with the main pipe through through holes in the side wall of the main pipe in a hot melting welding mode and tightly attached to the outer wall of the main pipe, so that connection is firmer. And meanwhile, the water flow channel connected with the capillary branch pipes and the main pipe is not blocked when the water flow passes through, so that the water flow is smoother.

Description

Technical Field

[0001] The utility model relates to the technical field of air conditioning radiation, in particular to a capillary network structure. Background Art

[0002] As a new type of low-temperature hot water radiant heating, the capillary network radiant heating system has attracted wide attention in many fields due to its many advantages such as high comfort, quietness, sanitation and safety, energy saving, strong heat storage capacity, and saving of building space. It has great application potential. The working principle of the capillary network is similar to the blood circulation system of the human body. The room is heated or cooled by the cold and heat exchange realized by the flow of water in the capillary network. It has a long service life and can be recycled. The capillary network is a water-collecting and water-distributing structure, which provides a connection method for direct connection between pipes without adding connecting pipes, realizes that an integral pipe is directly connected to several pipes at the same time through the side opening method, and the wall thickness of the small pipe connected at the end face is not limited by the welding requirements. In the prior art, the capillary branch is vertically connected to the inner wall of the main pipe, which makes the water flow rate too slow and accompanied by noise, and the circulation effect of the entire capillary network is poor. The capillary branch is vertically connected to the main pipe without any protection. Due to the small diameter of the capillary branch, it is easy to break at the connection position with the main pipe, which leads to leakage in the capillary network. Utility Model Content

[0003] In order to solve the problems in the prior art that the vertical connection of the capillary branch is easy to break and the water flow rate is too slow, the utility model provides a capillary network structure to solve the above problems.

[0004] A capillary network structure comprises a main tube and a plurality of capillary branches connected to the main tube, wherein the capillary branches are funnel-shaped structures formed by a tube head and a tube body, the tube head and the tube body of the capillary branches are an integrated structure, wherein the tube head is thermoplastically formed from one end of the tube body.

[0005] The main pipe is a hollow cylindrical structure, a side wall of the main pipe is provided with a plurality of through holes, and the capillary branch pipe is connected with the main pipe through the through holes.

[0006] Preferably, the through hole is a cylindrical hole.

[0007] Preferably, the through hole is a tapered hole.

[0008] Preferably, the through hole is a gourd-shaped hole.

[0009] Preferably, the capillary branch tube and the main tube are connected by hot-melt heating and extrusion molding, so that the capillary branch tube fits tightly on the main tube.

[0010] Preferably, the main tube and the capillary branch tube are made of thermoplastic plastics, including thermoplastic polyester, polypropylene, and heat-resistant polyethylene.

[0011] The advantages of the present invention are:

[0012] 1. The capillary branch in the capillary network is a funnel-shaped structure formed by a tube head and a tube body. When connected to the main tube by hot-melt welding, the tube head end fits tightly on the outer wall of the main tube, making the connection stronger and solving the problem of easy breakage at the interface.

[0013] 2. A hole is opened on the side wall of the main pipe in the capillary network, and after being connected to the funnel-shaped capillary branch, a water flow channel with a certain curvature is formed. The water flow is unobstructed when passing through, making the water flow more smooth. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a structural schematic diagram of the capillary branch of the utility model;

[0015] Figure 2 is a cross-sectional view of Example 1 of the utility model;

[0016] Figure 3 is a cross-sectional view of the prior art;

[0017] 1. Main pipe; 2. Capillary branch pipe; 21. Pipe head; 22. Pipe body; 11. Through hole. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0019] It should be noted that the various installation methods and technical terms mentioned in the present invention are technical terms that have long been clearly known in the relevant technical field, so no further explanation is given. In addition, the same reference numerals are used for the same components, but this does not affect or constitute an accurate understanding of the technical solution by those skilled in the art.

[0020] Example 1

[0021] A capillary network structure, such as Figure 1 , Figure 2As shown, it includes a main pipe 1 and a plurality of capillary branches 2 connected to the main pipe 1, wherein the capillary branches 2 are a funnel-shaped structure formed integrally by a pipe head 21 and a pipe body 22, wherein the pipe head 21 is formed by hot-melting one end of the pipe body 22 during the entire capillary network structure forming process. The specific manufacturing method is that firstly, the main pipe 1 of the capillary network with a diameter of 20mm and a wall thickness of 2mm is drilled by a drilling device, and the drilled hole is a cylindrical through hole 11, and one end of the capillary branch 2 with an inner diameter of 2.7mm is formed into a funnel-shaped structure by hot-melting heating and extrusion molding and connected to the cylindrical through hole 11 on the main pipe 1 to form a capillary network structure.

[0022] Wherein, the main tube 1 and the capillary branch tube 2 are both random copolymer polypropylene tubes.

[0023] Example 2

[0024] The materials and manufacturing methods of the main tube 1 and the capillary branch tube 2 are the same as those of the embodiment 1, except that the hole opened on one side wall of the main tube 1 is a tapered through hole 11.

[0025] Example 3

[0026] The materials and manufacturing methods of the main tube 1 and the capillary branch tube 2 are the same as those of Example 1, except that the hole opened on one side wall of the main tube 1 is a gourd-shaped through hole 11.

[0027] For those skilled in the art, the present invention is not limited to the details of the above exemplary embodiments, and can be implemented in other specific forms without departing from the spirit or basic features of the present invention; therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive, and the scope of the present invention is defined by the appended claims rather than the above description, so it is intended to include all changes within the meaning and scope of the equivalent elements of the claims. Any figure mark in the claims should not be regarded as limiting the claims involved.

[0028] The above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Any minor modifications, equivalent substitutions and improvements made to the above embodiments based on the technical essence of the utility model should be included in the protection scope of the technical solution of the utility model.

Claims

1. A capillary network structure, comprising a main pipe (1) and a plurality of capillary branches (2) connected to the main pipe (1), characterized in that: The capillary branch tube (2) is a funnel-shaped structure formed integrally by a tube head (21) and a tube body (22).

2. The capillary network structure according to claim 1, characterized in that: The tube head (21) of the capillary branch tube (2) is formed by hot melting one end of the tube body (22).

3. The capillary network structure according to claim 1, characterized in that: The main pipe (1) is a hollow cylindrical structure. A plurality of through holes (11) are formed on a side wall of the main pipe (1). The capillary branch tube (2) is connected to the main pipe (1) through the through holes (11).

4. The capillary network structure according to claim 3, characterized in that: The through hole (11) is a cylindrical hole, a conical hole or a gourd-shaped hole.

5. The capillary network structure according to claim 1, characterized in that: The main tube (1) and the capillary branch tube (2) are connected by hot-melt heating and extrusion molding.

6. The capillary network structure according to claim 1, characterized in that: The main tube (1) and the capillary branch tube (2) are both made of thermoplastic plastics, including thermoplastic polyester, polypropylene, and heat-resistant polyethylene.

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