Brass ball valve

Abstract

The utility model relates to a brass ball valve, and belongs to the technical field of ball valves. The valve mainly comprises a valve body, a fixing sleeve, a mounting seat, a shifting gear, a valve rod, a valve core and a gland, a worker adjusts the shifting gear to drive the valve element to rotate, opening or closing of the valve body is achieved, opening and closing are rapid and light, internal threads are arranged on the two sides of the valve body, installation or use is easy and convenient, the valve body can be conveniently connected with steel pipes with threads and pipelines of other metal pipes, the pipelines of the metal pipes can be prevented from sliding outwards, and the service life of the valve body is prolonged. And through threaded connection, the sealing effect is improved, the universality and practicability of the sealing device are improved, and the sealing device is convenient to popularize and use in the market.

Description

Technical Field

[0001] The utility model belongs to the technical field of ball valves, and in particular relates to a brass ball valve. Background Art

[0002] A ball valve is a valve whose opening and closing part (ball) is driven by the valve stem and rotates around the axis of the ball valve. In my country, ball valves are widely used in oil refining, long-distance pipelines, chemicals, papermaking, pharmaceuticals, water conservancy, electricity, municipal administration, steel and other industries, and they occupy a pivotal position in the national economy.

[0003] At present, most of the ball valve connections commonly used in the market are flange connections. For threaded steel pipes and other metal pipes, flanges cannot be directly used for connection, which makes it inconvenient to use or install, and the applicability of the product is low. Summary of the invention

[0004] In order to overcome the problem that most of the ball valves currently used in the market are connected by flanges, and flanges cannot be used to connect threaded steel pipes and other metal pipes, resulting in low product applicability, the utility model provides a brass ball valve; the staff adjusts the toggle gear to drive the valve core to rotate, thereby opening or closing the valve body, and internal threads are provided on both sides of the valve body, which can facilitate the connection of the valve body with threaded steel pipes and other metal pipes, thereby improving the versatility and practicality of this ball valve.

[0005] To achieve the above-mentioned purpose, the utility model is realized through the following technical scheme: a brass ball valve mainly includes a valve body, a fixed sleeve, a mounting seat, a toggle gear, a valve stem, a valve core, and a pressure cover. The interior of the valve body is a cavity structure. Internal threads are arranged on both sides of the valve body. The fixed sleeve is installed on the top of the valve body. A through groove is opened on the fixed sleeve. The through groove connects the fixed sleeve with the valve body. The mounting seat is installed on the fixed sleeve. The toggle gear is rotatably installed on the through groove. A strip-shaped straight groove is arranged on the side wall of the mounting seat for facilitating the adjustment of the toggle gear. One end of the valve stem is connected to the toggle gear, and the other end extends to the interior of the valve body. The valve core is installed at the bottom of the valve stem. The pressure cover is installed on the top of the mounting seat by fastening bolts. A cavity interlayer is formed between the mounting seat and the pressure cover, and the toggle gear is installed inside the cavity interlayer.

[0006] The valve body is composed of an upper arc-shaped valve body and a lower arc-shaped valve body, and the upper arc-shaped valve body and the lower arc-shaped valve body are installed by fastening bolts.

[0007] A limit ring is installed inside the valve body, and the valve core is installed in the limit ring.

[0008] The central axes of the fixed sleeve and the shifting gear are in the same straight line with the central axis of the valve stem.

[0009] Beneficial effects of the utility model:

[0010] The staff adjusts the toggle gear to drive the valve core to rotate, thereby opening or closing the valve body. The opening and closing are quick and easy. Internal threads are provided on both sides of the valve body, which is simple and convenient to install or use. The valve body can be conveniently connected to a threaded steel pipe and other metal pipes. It can not only prevent the metal pipe from slipping outward, but also increase the sealing effect through the threaded connection, thereby improving the versatility and practicality of the utility model, so as to facilitate market promotion and use. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 It is an isometric schematic diagram of the utility model.

[0012] Figure 2 It is a three-dimensional schematic diagram of the utility model.

[0013] Figure 3 This is a partial cutaway diagram of the utility model. Figure 1 .

[0014] Figure 4 This is a partial cutaway diagram of the utility model. Figure 2 . DETAILED DESCRIPTION

[0015] In order to make the purpose, technical solution and beneficial effects of the present invention clearer, the preferred embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings to facilitate understanding by technicians.

[0016] The utility model discloses a brass ball valve, comprising a valve body 1, a fixed sleeve 2, a mounting seat 3, a toggle gear 4, a valve stem 5, a valve core 6, and a pressure cover 7. The interior of the valve body 1 is a cavity structure. Internal threads 11 are provided on both sides of the valve body 1. The fixed sleeve 2 is installed at the top of the valve body 1. A through groove 21 is provided on the fixed sleeve 2. The through groove 21 connects the fixed sleeve 2 with the valve body 1. The mounting seat 3 is installed on the fixed sleeve 2. The toggle gear 4 can be rotatably installed on the through groove 21. A strip straight notch 31 is provided on the side wall of the mounting seat 3 for facilitating the adjustment of the toggle gear 4. One end of the valve stem 5 is connected with the toggle gear 4, and the other end extends to the interior of the valve body 1. The valve core 6 is installed at the bottom end of the valve stem 5. The pressure cover 7 is installed at the top of the mounting seat 3 by fastening bolts. A cavity interlayer is formed between the mounting seat 3 and the pressure cover 7, and the toggle gear 4 is installed inside the cavity interlayer.

[0017] During operation, the staff turns the toggle gear 4 clockwise, and the toggle gear 4 drives the valve stem to rotate 5, and the valve stem 5 drives the valve core 6 to rotate, and the valve core 6 blocks the valve body 1 to achieve the closing of the valve body 1, and turns the toggle gear 4 counterclockwise, and the toggle gear 4 drives the valve stem 5 to rotate, and the valve stem 5 drives the valve core 6 to rotate, and the valve core 6 is connected with the valve body 1 to achieve the opening of the valve body 1. The staff constantly turns the toggle gear 4 to adjust the flow rate, and the opening and closing are quick and easy. When cleaning is needed, the fastening bolts can be removed to separate the upper arc valve body 12 and the lower arc valve body 13, and then the internal parts can be disassembled for cleaning. The structure is simple and cleaning is convenient. After long-term use, it is convenient to replace the internal parts, which reduces the production cost.

[0018] like Figure 2 , Figure 3 , Figure 4 As shown, the valve body 1 is composed of an upper arc valve body 12 and a lower arc valve body 13, and the upper arc valve body 12 and the lower arc valve body 13 are installed by fastening bolts; when cleaning is required, the lower fastening bolts can be removed to separate the upper arc valve body 12 and the lower arc valve body 13, and then the internal parts can be removed for cleaning. The structure is simple and cleaning is convenient. After long-term use, it is convenient to replace the internal parts, which reduces the production cost.

[0019] like Figure 1 , Figure 2 , Figure 3 , Figure 4 As shown, a limit ring 8 is installed inside the valve body 1, and the valve core 6 is installed in the limit ring 8; this is convenient for limiting the valve core 6 to prevent the installation position of the valve core 6 from deviating, resulting in poor sealing.

[0020] like Figure 3 , Figure 4 As shown, the central axes of the fixing sleeve 2 and the shifting gear 4 are in the same straight line with the central axis of the valve stem 5; the valve stem 5 and the valve core 6 are easy to position, stabilize, assemble, disassemble and adjust, reduce stress concentration and improve strength.

[0021] Working process:

[0022] Before using the utility model, first install the valve core 6 at the bottom end of the valve stem 5. After the installation is completed, the valve core 6 is clamped in the lower arc valve body 13 and the limit ring 8, and then the upper arc valve body 12 and the through groove 21 of the fixed sleeve 2 pass through the valve stem 5 and are installed on the top of the lower arc valve body 13. The upper arc valve body 12 and the lower arc valve body 13 are tightly connected by fastening bolts. After the connection is completed, the toggle gear 4 is connected to the valve stem 5, and then the pressure cover 7 is installed on the top of the mounting seat 3 by fastening bolts, and the toggle gear 4 is installed in the cavity sandwich composed of the mounting seat 3 and the pressure cover 7. After the installation is completed, the entire device is installed to the working position. Internal threads 11 are provided on both sides of the valve body 1, which are simple and convenient to install or use. It can facilitate the connection of the valve body 1 with threaded steel pipes and other metal pipes, which can not only prevent the metal pipe from slipping outward, but also can prevent the metal pipe from slipping outward through the screws. The groove connection increases the sealing effect, improves the versatility and practicality of the utility model, so as to facilitate the market promotion and use. When working, the staff turns the toggle gear 4 clockwise, the toggle gear 4 drives the valve stem to rotate 5, the valve stem 5 drives the valve core 6 to rotate, the valve core 6 blocks the valve body 1, and the valve body 1 is closed, and the toggle gear 4 is turned counterclockwise, the toggle gear 4 drives the valve stem 5 to rotate, the valve stem 5 drives the valve core 6 to rotate, the valve core 6 is connected with the valve body 1, and the valve body 1 is opened. The staff constantly turns the toggle gear 4 to adjust the flow rate, and the opening and closing are quick and easy. When cleaning is needed, the fastening bolts can be removed to separate the upper arc valve body 12 and the lower arc valve body 13, and then the internal parts can be disassembled for cleaning. The structure is simple and easy to clean. After long-term use, it is convenient to replace the internal parts, which reduces the production cost.

[0023] Finally, it should be noted that the above preferred embodiments are only used to illustrate the technical solution of the utility model rather than to limit it. Although the utility model has been described in detail through the above preferred embodiments, those skilled in the art should understand that various changes can be made in form and details without departing from the scope defined by the claims of the utility model.

Claims

1. A brass ball valve, characterized in that: The invention comprises a valve body (1), a fixing sleeve (2), a mounting seat (3), a toggle gear (4), a valve stem (5), a valve core (6), and a gland (7); the interior of the valve body (1) is a hollow structure; both sides of the valve body (1) are provided with internal threads (11); the fixing sleeve (2) is mounted on the top of the valve body (1); a through groove (21) is provided on the fixing sleeve (2); the through groove (21) connects the fixing sleeve (2) with the valve body (1); the mounting seat (3) is mounted on the fixing sleeve (2); the toggle gear (4) is connected to the valve stem (5), and the valve core (6) is connected to the valve stem (7); 4) is rotatably mounted on the through groove (21), a strip-shaped straight groove (31) is provided on the side wall of the mounting seat (3) for facilitating the adjustment of the toggle gear (4), one end of the valve stem (5) is connected to the toggle gear (4), and the other end extends to the inside of the valve body (1), the valve core (6) is mounted on the bottom end of the valve stem (5), the pressure cover (7) is mounted on the top of the mounting seat (3) by means of fastening bolts, a cavity interlayer is formed between the mounting seat (3) and the pressure cover (7), and the toggle gear (4) is mounted inside the cavity interlayer.

2. A brass ball valve as claimed in claim 1, characterized in that: The valve body (1) is composed of an upper arc-shaped valve body (12) and a lower arc-shaped valve body (13), and the upper arc-shaped valve body (12) and the lower arc-shaped valve body (13) are installed by fastening bolts.

3. A brass ball valve as claimed in claim 1 or 2, characterized in that: A limit ring (8) is installed inside the valve body (1), and the valve core (6) is installed inside the limit ring (8).

4. A brass ball valve as claimed in claim 1 or 2, characterized in that: The central axes of the fixed sleeve (2) and the shifting gear (4) are on the same straight line as the central axis of the valve stem (5).

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