Valve convenient to produce and machine

Abstract

The utility model relates to the field of valves, and discloses a valve convenient to produce and process, which structurally comprises a valve body, the valve body comprises a valve core port and two fluid ports, a partition wall is arranged in an inner cavity between the fluid ports and is provided with an opening area, a lining is fixedly mounted in the valve body, and the lining is fixedly connected with the fluid ports in a nested manner. The lining is arranged in the valve body and comprises a sleeve part and a partition part, the partition wall is formed by the partition part, the partition part is provided with a plane, a water passing opening is formed in the plane, the opening area is formed by the water passing opening, and the axis of the water passing opening points to the valve element opening. The separating wall of the valve body is formed through the separating part of the lining to separate water flow on the two sides, the opening area of the valve body is formed through the water passing opening of the separating part to abut against the valve element, the valve body can be cast through a simple die or formed through simple punching and forging, and an internal complex flow channel structure does not need to be dealt with.

Description

Technical Field

[0001] The utility model relates to the field of valves, in particular to a valve which is easy to produce and process. Background Art

[0002] Straight-through valves are commonly used valve components in water heating systems. For example, a straight-through gate valve has a gate inside the valve core on its valve body. The gate is offset from the opening on the partition wall of the valve body, and the flow or cutoff of the medium is achieved by raising and lowering the gate.

[0003] Casting and forging are the main methods for producing straight-through valves. However, since the partition wall corresponding to the valve core port is parallel to the axial direction of the fluid ports on both sides of the valve body, the internal flow channel structure is relatively uneven, which makes mold design more complicated and affects processing and production. Utility Model Content

[0004] In response to the above problems, the utility model provides a valve that is easy to produce and process, and its structure includes a valve body, the interior of the valve body is an inner cavity and has three through-port structures, the through-port structure includes a valve core port for installing a valve core and two fluid ports for supplying water to flow through, a partition wall is provided in the inner cavity between the two fluid ports to block the two fluid ports, the partition wall has an opening area for counteracting the valve core installed at the valve core port; an inner lining is fixedly installed in the valve body, the inner lining includes a sleeve and a partition portion extending from the sleeve to the middle of the inner cavity, the inner lining is nested and fixedly connected with the fluid ports, the sleeve is used to guide the water flow of the fluid port connected to the sleeve into the partition portion; the partition wall is formed by the partition portion, the partition portion has a plane and a water outlet is provided on the plane, the opening area is formed by the water outlet, and the axis of the water outlet points to the valve core port.

[0005] Furthermore, the sleeve and the valve body are fixedly connected by welding, and a seam is formed at the connection. The seam is located at the outer edge of the sleeve on the sleeve and at the fluid opening on the valve body.

[0006] Furthermore, a mounting portion is provided on the inner side of the fluid passage, the mounting portion is annular and arranged around the fluid passage, the sleeve is nested in the mounting portion, and the mounting portion is used to limit the freedom of the sleeve to move along the axial direction of the fluid passage at the fluid passage.

[0007] Furthermore, the mounting portion is in a stepped, outwardly flared or outwardly narrowed shape, and the sleeve portion is provided with a contoured portion having a shape similar to that of the mounting portion for cooperating with the mounting portion; the diameter of the mounting portion in a stepped shape is larger than the diameter of the fluid port, thereby forming a step at the place where it connects with the fluid port; the diameter of the mounting portion in an outwardly flared shape is the same as the diameter of the fluid port, while the diameter of the outer side is larger than the diameter of the inner side; the diameter of the mounting portion in an outwardly narrowed shape is the same as the diameter of the fluid port, while the diameter of the outer side is smaller than the diameter of the inner side.

[0008] Furthermore, a positioning block is provided on the outwardly expanded mounting portion, the positioning block is in a convex shape, and the sleeve is provided with a recessed mounting groove for engaging with the positioning block, and the positioning block is used to limit the sleeve's freedom of rotation around the fluid port axis at the fluid port.

[0009] Furthermore, the axes of the two fluid ports are located on the same straight line, and there is at most one mounting portion that is narrowed outward on the valve body.

[0010] Furthermore, at most two of the stepped mounting portions and the outwardly expanded mounting portions are provided on the valve body.

[0011] Furthermore, the distance between the connection point between the mounting portion and the fluid passage and the valve core opening is equal to the distance between the portion where the sleeve portion and the mounting portion have similar shapes and the axis of the water outlet.

[0012] Furthermore, the distance between the positioning block protruding from the mounting portion and the axis of the fluid through-hole is greater than or equal to the radius of the fluid through-hole.

[0013] Compared with the prior art, the present invention has the following beneficial effects:

[0014] The utility model opens the fluid passages on both sides of the valve body, and provides an inner liner in the valve body and welds and fixes the valve body, forms a partition wall of the valve body through the partition part of the inner liner to separate the water flows on both sides, forms an opening area of ​​the valve body and counteracts the valve core through the water outlet of the partition part, and the inner liner can be manufactured separately by casting or stamping, so that the valve body can be cast by a simple mold or simply forged, and there is no need to deal with the complex internal flow channel structure, thereby making the valve body processing more convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the overall structure of a valve that is easy to produce and process according to the present invention.

[0016] Figure 2 This is a schematic side sectional view of a valve that is easy to produce and process according to the present invention.

[0017] Figure 3Schematic side cross-sectional views of two embodiments of the installation portion at the fluid port of the present invention.

[0018] Figure 4 This is a three-dimensional structural diagram of an embodiment of the cooperation between the mounting portion and the liner at the fluid outlet of the present invention.

[0019] In the figure: 1. Valve body; 2. Lining; 3. Joint; 1a. Inner cavity; 1b. Valve core port; 1c. Fluid port; 1d. Mounting portion; 1e. Positioning block; 21. Sleeve; 22. Partition; 2a. Water outlet; 2b. Contoured portion; 2c. Mounting groove. DETAILED DESCRIPTION

[0020] The technical solution of the present invention will be clearly and completely described below in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments. Based on the embodiments in the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0021] Examples, such as Figure 1-Figure 4 As shown: The utility model provides a valve that is easy to produce and process. Its structure includes a valve body 1. The interior of the valve body 1 is an inner cavity 1a with three through-port structures. The through-port structure includes a valve core port 1b for installing a valve core and two fluid ports 1c for supplying water. In a traditional straight-through valve body 1, the axes of the two fluid ports 1c are located on the same straight line. A partition wall is provided in the inner cavity 1a between the two fluid ports 1c to block the two fluid ports 1c. The partition wall has an opening area for counteracting the valve core installed at the valve core port 1b. By opening the valve core, water flow on one side of the partition wall enters the other side through the opening area, and by closing the valve core, water flow is retained on one side of the partition wall.

[0022] In this embodiment, the partition wall and the opening area are separated from the valve body 1, so that the valve body 1 can be cast or simply forged by a simple mold, and there is no need to deal with the complex flow channel structure inside the valve body. To this end, a liner 2 is fixedly installed in the valve body 1. The liner 2 includes a sleeve 21 and a partition portion 22 extending from the sleeve 21 to the middle of the inner cavity 1a. The liner 2 can be formed by casting or stamping and stretching. The liner 2 is nested and fixedly connected to the fluid passage 1c. In this embodiment, the sleeve 21 is fixedly connected to the valve body 1 by welding, and a seam 3 is formed at the connection point by a weld. The joint 3 closes the gap between the sleeve 21 and the valve body 1 so that the sleeve 21 and the valve body 1 are connected to form a whole. The joint 3 is located on the outer edge of the sleeve 21 on the sleeve 21, and on the fluid port 1c on the valve body 1. The sleeve 21 is used to guide the water flow of the fluid port 1c connected to the sleeve 21 into the partition 22, so that the partition wall is formed by the partition 22. The partition 22 has a plane and a water outlet 2a is provided on the plane. The opening area is formed by the water outlet 2a. The axis of the water outlet 2a points to the valve core port 1b, so that the valve core installed in the valve core port 1b can be offset against the water outlet 2a.

[0023] In this embodiment, a mounting portion 1d is provided on the inner side of the fluid passage 1c. The mounting portion 1d is annular and arranged around the fluid passage 1c. The sleeve 21 is nested in the mounting portion 1d. The mounting portion 1d is used to limit the freedom of the sleeve 21 to move along the axial direction of the fluid passage 1c at the fluid passage 1c. To this end, the mounting portion 1d is stepped, outwardly expanded, or outwardly narrowed, and the sleeve 21 is provided with a contoured portion 2b having a similar shape to the mounting portion 1d for cooperating with the mounting portion 1d. In addition, the distance between the mounting portion 1d and the fluid passage 1c and the valve core port 1b is equal to the distance between the contoured portion 2b and the axis of the water outlet 2a, thereby positioning the installation depth of the liner 2 on the valve body 1 so that the water outlet 2a corresponds to the valve core port 1b.

[0024] Among them, the first type: the diameter of the stepped mounting portion 1d is larger than the diameter of the fluid passage 1c, so that a step is formed at the place where it connects with the fluid passage 1c. There are at most two stepped mounting portions 1d on the valve body 1, that is, they can be provided on the fluid passages 1c on both sides, which is convenient for processing and installation; the second type: the diameter of the inner side of the mounting portion 1d is the same as the diameter of the fluid passage 1c, and the diameter of the outer side is larger than the diameter of the inner side. There is at most one outwardly narrowed mounting portion 1d on the valve body 1, and the liner 2 is inserted into the valve body 1 from the side of the fluid passage 1c where the mounting portion 1d is not provided and abuts against the mounting portion 1d; the third type: the diameter of the inner side of the mounting portion 1d is the same as the diameter of the fluid passage 1c, and the diameter of the outer side is smaller than the diameter of the inner side. There are at most two outwardly narrowed mounting portions 1d on the valve body 1, that is, they can be provided on the fluid passages 1c on both sides, which is convenient for processing and installation.

[0025] In this embodiment, the mounting portion 1d is in an outwardly flared shape. A positioning block 1e is provided on the outwardly flared mounting portion 1d. The positioning block 1e is in a convex shape. A recessed mounting groove 2c is provided on the sleeve 21 for engaging with the positioning block 1e. The positioning block 1e is used to limit the freedom of rotation of the sleeve 21 around the axis of the fluid passage 1c at the fluid passage 1c, thereby positioning the installation depth of the liner 2 on the valve body 1.

[0026] It should be noted that the distance between the positioning block 1e protruding from the mounting portion 1d and the axis of the fluid port 1c is greater than or equal to the radius of the fluid port 1c, so that the positioning block 1e does not affect the demoulding of the fluid port 1c.

[0027] During specific implementation, the valve body 1 is cast by a core-pulling mold, or the heated metal block is extruded by red punching forging to form the valve body 1. Since there is no blocking structure in the valve body 1, the core-pulling form can be well designed to quickly manufacture and obtain the valve body 1. Then the hemispherical or plate-shaped iron sheet is extruded, stamped and stretched to form a bushing, and the hole is positioned to form the water outlet 2a. After the valve body 1 and the bushing are polished and other reprocessing steps, the bushing is inserted into the valve body 1, and the water outlet 2a is aligned with the valve core port 1b. The sleeve 21 of the bushing and the gap between the fluid port 1c of the valve body 1 are welded to obtain the required valve base. The valve core is installed on the valve core port 1b and abutted against the water outlet 2a to obtain the valve.

[0028] The technical features of the above embodiments can be combined arbitrarily. In order to make the description concise, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

Claims

1. A valve that is easy to produce and process, comprising a valve body (1), wherein the interior of the valve body (1) is an inner cavity (1a) having three through-port structures, and characterized in that: The port structure comprises a valve core port (1b) for installing a valve core and two fluid ports (1c) for allowing water to flow through; a partition wall is provided in the inner cavity (1a) between the two fluid ports (1c) for blocking the two fluid ports (1c); the partition wall has an opening area for abutting against the valve core installed at the valve core port (1b); An inner liner (2) is fixedly installed in the valve body (1), the inner liner (2) comprising a sleeve (21) and a partition (22) extending from the sleeve (21) toward the middle of the inner cavity (1a), the inner liner (2) being nested and fixedly connected to the fluid port (1c), the sleeve (21) being used to guide water flowing from the fluid port (1c) connected to the sleeve (21) into the partition (22); The partition wall is formed by a partition portion (22), the partition portion (22) has a plane and a water outlet (2a) is provided on the plane, the opening area is formed by the water outlet (2a), and the axis of the water outlet (2a) points to the valve core port (1b).

2. A valve that is easy to produce and process according to claim 1, characterized in that: The sleeve (21) and the valve body (1) are fixedly connected by welding, and a joint portion (3) is formed at the connection. The joint portion (3) is located at the outer edge of the sleeve (21) on the sleeve (21) and at the fluid passage (1c) on the valve body (1).

3. A valve that is easy to produce and process according to claim 1 or 2, characterized in that: A mounting portion (1d) is provided on the inner side of the fluid passage (1c); the mounting portion (1d) is annular and arranged around the fluid passage (1c); the sleeve (21) is nested in the mounting portion (1d); the mounting portion (1d) is used to limit the freedom of the sleeve (21) to move at the fluid passage (1c) along the axial direction of the fluid passage (1c).

4. A valve that is easy to produce and process according to claim 3, characterized in that: The mounting portion (1d) is in a stepped, outwardly expanded, or outwardly narrowed shape, and the sleeve portion (21) is provided with a contoured portion (2b) having a shape similar to that of the mounting portion (1d) for cooperating with the mounting portion (1d); The diameter of the stepped mounting portion (1d) is larger than the diameter of the fluid passage (1c), thereby forming a step at the location where it connects with the fluid passage (1c); The mounting portion (1d) is in an outwardly expanded shape, and its inner diameter is the same as the diameter of the fluid passage (1c), while its outer diameter is larger than the inner diameter; The mounting portion (1d) is narrowed outward, and its inner diameter is the same as the diameter of the fluid passage (1c), while its outer diameter is smaller than the inner diameter.

5. A valve that is easy to produce and process according to claim 4, characterized in that: A positioning block (1e) is provided on the outwardly expanded mounting portion (1d), the positioning block (1e) being convex, and a recessed mounting groove (2c) is provided on the sleeve (21) for engaging with the positioning block (1e), the positioning block (1e) being used to limit the freedom of the sleeve (21) to rotate around the axis of the fluid passage (1c) at the fluid passage (1c).

6. The valve according to claim 4, which is easy to produce and process, is characterized in that: The axes of the two fluid passages (1c) are located on the same straight line, and there is at most one mounting portion (1d) that is narrowed outward on the valve body (1).

7. The valve according to claim 4, which is easy to produce and process, is characterized in that: At most two of the step-shaped mounting portions (1d) and the outward-flashing mounting portions (1d) are provided on the valve body (1).

8. The valve according to claim 4, which is easy to produce and process, is characterized in that: The distance between the connection point between the mounting portion (1d) and the fluid passage (1c) and the valve core opening (1b) is equal to the distance between the contoured portion (2b) and the axis of the water outlet (2a).

9. The valve according to claim 5, which is easy to produce and process, is characterized in that: The distance between the positioning block (1e) protruding from the mounting portion (1d) and the axis of the fluid passage (1c) is greater than or equal to the radius of the fluid passage (1c).

Images