Four-way ball valve

Abstract

The utility model provides a four-way ball valve, and belongs to the technical field of valves. The four-way valve solves the problem that in the working process of an existing four-way valve, due to the fact that a steel ball serving as a valve element rotates for a long time, abrasion is generated between the steel ball and a valve seat, and the sealing performance is poor. The four-way ball valve comprises a ball valve body, a valve ball is arranged in the ball valve body, a valve rod for controlling the valve ball to rotate is arranged at the upper end of the valve ball, four openings are formed in the valve ball, and every two adjacent openings are communicated with each other to form two circulation pipelines allowing liquid to circulate respectively. Four mounting seats are arranged on the ball valve main body, the mounting seats are respectively communicated with four openings of the valve ball, connecting seats are arranged between the mounting seats and the valve ball, and circulating channels for liquid to circulate are arranged in the connecting seats. The utility model has the advantages of split type and good sealing performance.

Description

Technical Field

[0001] This utility model belongs to the field of valve technology, and specifically relates to a four-way ball valve. Background Technology

[0002] The four-way ball valve allows for simultaneous switching of the flow direction of two media by simply operating a wrench or driving mechanism to rotate the ball 90 degrees. It is convenient and quick, achieving the effect of one valve for multiple uses, and features low fluid resistance, good sealing performance, and long service life.

[0003] However, during the operation of the four-way valve, the steel ball, which serves as the valve core, rotates for a long time, causing wear between it and the valve seat. This leads to wear on the spherical seal, resulting in significant internal leakage and affecting the performance of the four-way ball valve. Summary of the Invention

[0004] The purpose of this invention is to address the aforementioned problems in the existing technology by providing a split-type four-way ball valve with good sealing performance.

[0005] The objective of this utility model can be achieved through the following technical solution: A four-way ball valve, comprising a ball valve body, a valve ball disposed inside the ball valve body, and a valve stem disposed at the upper end of the valve ball for controlling the rotation of the valve ball, characterized in that the valve ball has four openings, and two adjacent openings are connected to each other to form two flow channels for liquid flow, the ball valve body is provided with four mounting seats, and the mounting seats are respectively connected to the four openings of the valve ball, a connecting seat is provided between the mounting seat and the valve ball, the connecting seat has a flow channel for liquid flow, one end of the connecting seat is in contact with the outer end face of the valve ball, and the other end of the connecting seat is connected to the mounting seat, and the connecting surface connecting two adjacent openings has an inclination.

[0006] In the aforementioned four-way ball valve, the mounting base is threadedly connected to the ball valve body.

[0007] In the aforementioned four-way ball valve, the angle between adjacent openings on the valve ball is 90 degrees, and the angle between adjacent mounting seats on the ball valve body is 90 degrees.

[0008] In the aforementioned four-way ball valve, a sealing ring one is provided between the valve stem and the ball valve body, a sealing ring two is provided between the mounting seat and the sealing part, and a sealing ring three is provided between the mounting seat and the ball valve body.

[0009] Compared with existing technologies, this four-way ball valve has a connecting seat between the valve ball and the mounting seat, which allows the valve ball to be in contact with the connecting seat to form a water inlet or outlet passage. Both the connecting seat and the mounting seat are separate structures, so only the connecting seat needs to be replaced after long-term use. Attached Figure Description

[0010] Figure 1 This is a schematic diagram of the structure of this utility model.

[0011] Figure 2 This is a cross-sectional structural diagram of the present invention.

[0012] Figure 3 This is a cross-sectional structural diagram of the present invention from another angle.

[0013] In the diagram, 1 is the ball valve body; 2 is the valve ball; 3 is the valve stem; 4 is the flow pipe; 5 is the mounting base; 6 is the connecting base; and 7 is the flow passage. Detailed Implementation

[0014] The following are specific embodiments of the present invention, which are described in conjunction with the accompanying drawings. However, the present invention is not limited to these embodiments.

[0015] like Figure 1 , Figure 2 , Figure 3 As shown, this four-way ball valve includes a ball valve body 1, on which a ball 2 is disposed. A valve stem 3 is disposed at the upper end of the ball 2 to control its rotation. The ball 2 has four openings, and two adjacent openings are connected to each other to form two flow channels 4 for liquid flow. The ball valve body 1 is provided with four mounting seats 5, which are respectively connected to the four openings of the ball 2. A connecting seat 6 is provided between the mounting seat 5 and the ball 2. The connecting seat 6 has a flow channel 7 for liquid flow. One end of the connecting seat 6 is in contact with the outer end face of the ball 2, and the other end of the connecting seat 6 is connected to the mounting seat 5. The connecting surface connecting two adjacent openings has an inclination.

[0016] To elaborate further, the four mounting seats 5 on the ball valve body 1 are divided into mounting seat 5-1 (located in...) Figure 2 (Upper end), Mounting base 5 (located in) Figure 2 Right end), Mounting base 5 (located at the right end) Figure 2 (lower end) and mounting base 5 (located in) Figure 2 (Left end), liquid flows in from mounting seat 51 and out from mounting seat 52, and liquid can also flow in from mounting seat 54 and out from mounting seat 53. When valve ball 2 rotates 90 degrees, liquid flows in from mounting seat 51 and out from mounting seat 54, and liquid can also flow in from mounting seat 52 and out from mounting seat 53.

[0017] To elaborate further, the mounting base 5 is threadedly connected to the ball valve body 1.

[0018] To elaborate further, the angle between adjacent openings on the valve ball 2 is 90 degrees, and the angle between adjacent mounting seats 5 on the ball valve body 1 is 90 degrees.

[0019] To elaborate further, a sealing ring one is provided between the valve stem 3 and the ball valve body 1, a sealing ring two is provided between the mounting seat 5 and the sealing part, and a sealing ring three is provided between the mounting seat 5 and the ball valve body 1. The multiple sealing rings enhance the sealing performance between the valve stem 3 and the ball valve body 1, between the mounting seat 5 and the sealing part, and between the mounting seat 5 and the ball valve body 1.

[0020] The specific embodiments described herein are merely illustrative examples illustrating the spirit of this utility model. Those skilled in the art to which this utility model pertains may make various modifications or additions to the described specific embodiments or use similar methods to substitute them, without departing from the spirit of this utility model or exceeding the scope defined by the appended claims.

[0021] Although this document frequently uses terms such as ball valve body 1, valve ball 2, valve stem 3, flow pipe 4, mounting base 5, connecting base 6, and flow channel 7 as shown in the figures, the possibility of using other terms is not excluded. These terms are used merely for the convenience of describing and explaining the essence of this utility model; interpreting them as any additional limitation would contradict the spirit of this utility model.

Claims

1. A four-way ball valve comprising a ball valve body (1) in which a valve ball (2) is arranged, an upper end portion of the valve ball (2) being provided with a valve stem (3) for controlling rotation of the valve ball (2), characterized in that, The valve ball (2) is provided with four openings, two adjacent openings are communicated with each other to form two flow channels (4) for liquid flow, the ball valve body (1) is provided with four mounting seats (5), the mounting seat (5) is communicated with the four openings of the valve ball (2), the mounting seat (5) and the valve ball (2) are provided with a connecting seat (6), the connecting seat (6) is provided with a flow channel (7) for liquid flow, one end of the connecting seat (6) is attached to the outer end surface of the valve ball (2), and the other end of the connecting seat (6) is connected to the mounting seat (5), the connecting surface of the two adjacent openings communicated with each other has an inclination.

2. A four-way ball valve according to claim 1, characterized in that The mounting seat (5) is connected to the ball valve body (1) through threads.

3. A four-way ball valve according to claim 1, characterized in that The angle between the adjacent openings of the valve ball (2) is 90 degrees, and the angle between the adjacent mounting seats (5) of the ball valve body (1) is 90 degrees.

4. A four-way ball valve according to claim 1, characterized in that The valve rod (3) and the ball valve body (1) are provided with a sealing ring one, the mounting seat (5) and the sealing part are provided with a sealing ring two, and the mounting seat (5) and the ball valve body (1) are provided with a sealing ring three.

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