Corrosion-resistant ball valve

Abstract

The utility model discloses a corrosion-resistant ball valve, and relates to the field of ball valves. The corrosion-resistant ball valve comprises a ball valve body, an anti-rust coating is arranged on the outer side of the ball valve body, external pipelines are fixedly connected to the two ends of the ball valve body, the outer side of the ball valve body is sleeved with paired protective covers, the protective covers are connected in a clamped mode, and drying assemblies are arranged in the protective covers. When the corrosion-resistant ball valve is used, the rust-proof coating is used for forming primary corrosion-resistant protection of the ball valve body, the protective cover is synchronously installed on the outer side of the ball valve body in the installation process, secondary protection is provided, the protective cover is convenient to install, meanwhile, the drying assembly is arranged in the protective cover, moisture in the inner space of the protective cover is absorbed, and the service life of the protective cover is prolonged. And the surface of the ball valve body is kept dry, and the corrosion-resistant effect of the ball valve body is further improved.

Description

Technical Field

[0001] The utility model relates to the technical field of ball valves, in particular to a corrosion-resistant ball valve. Background Art

[0002] The pneumatic ball valve has a simple and compact structure, reliable sealing, easy maintenance, the sealing surface and the spherical surface are often in a closed state, not easily eroded by the medium, easy to operate and maintain, and is suitable for general working media such as water, solvents, acids and natural gas.

[0003] On the outside of the ball valve, due to the influence of the use environment, if the humidity is high, it is easy to cause surface corrosion. The corrosion resistance method in the prior art is mainly to provide a layer of anti-corrosion protective paint surface layer on the surface of the ball valve, and use the surface layer to provide corrosion protection. However, the protective paint also has a service life and may be damaged by bumps, thereby losing its effectiveness and still causing the ball valve to be corroded. This single anti-corrosion method cannot meet the needs of use in an environment with high humidity. In view of the shortcomings of the prior art, the utility model provides a corrosion-resistant ball valve to solve the above problems. Utility Model Content

[0004] In view of the deficiencies in the prior art, the utility model provides a corrosion-resistant ball valve, which utilizes an anti-rust coating to form preliminary corrosion-resistant protection for the ball valve body during use, and simultaneously installs a protective cover on the outside of the ball valve body during the installation process to provide secondary protection. The protective cover is easy to install. At the same time, a drying component is arranged inside the protective cover to absorb moisture in the internal space of the protective cover, thereby keeping the surface of the ball valve body dry, and further enhancing the corrosion resistance of the ball valve body.

[0005] To achieve the above purpose, the utility model is implemented through the following technical solutions: a corrosion-resistant ball valve, comprising a ball valve body, the outer side of the ball valve body is provided with an anti-rust coating, both ends of the ball valve body are fixedly connected with external pipes, the outer side of the ball valve body is sleeved with a pair of protective covers, and the protective covers are clamped;

[0006] A drying component is provided inside the protective cover, and the drying component comprises:

[0007] A positioning cover, arranged inside the protective cover;

[0008] The activated carbon plate is movably clamped inside the positioning cover.

[0009] Preferably, a screw rod is threadedly connected to the positioning cover, a clamping plate is rotatably connected to the screw rod, and the clamping plate is pressed tightly against the side surface of the activated carbon plate.

[0010] Preferably, a sliding block is fixedly connected to the clamping plate, a sliding groove is provided on the positioning cover, and the sliding block is slidably connected in the sliding groove.

[0011] Preferably, a rotating handle is provided on the screw rod.

[0012] Preferably, a plurality of overhead bars are fixedly connected inside the positioning cover.

[0013] Preferably, the protective cover is provided with a fixing strip for installation on the outside of the ball valve body.

[0014] The utility model discloses a corrosion-resistant ball valve, which has the following beneficial effects:

[0015] The corrosion-resistant ball valve utilizes the anti-rust coating to form the initial corrosion-resistant protection of the ball valve body during use. During the installation process, a protective cover is simultaneously installed on the outside of the ball valve body to provide secondary protection. The protective cover is easy to install. At the same time, a drying component is arranged inside the protective cover to absorb moisture in the internal space of the protective cover, thereby keeping the surface of the ball valve body dry, and further enhancing the corrosion resistance of the ball valve body. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0018] Figure 2 This is the internal structure diagram of the protective cover of the utility model;

[0019] Figure 3 This is a schematic diagram of the installation of the activated carbon plate of the utility model;

[0020] Figure 4 This is the internal structure diagram of the positioning cover of the utility model.

[0021] In the figure: 1. ball valve body; 101. anti-rust coating; 2. external pipe; 3. protective cover; 301. fixing bar; 4. positioning cover; 401. screw rod; 4011. turning handle; 402. clamping plate; 403. slider; 404. slide groove; 405. overhead bar; 5. activated carbon plate. DETAILED DESCRIPTION

[0022] In order to make the purpose, technical solution and advantages of the embodiments of the utility model clearer, the technical solution in the embodiments of the utility model is described clearly and completely. Obviously, the described embodiments are 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.

[0023] The embodiment of the present application provides a corrosion-resistant ball valve, which solves the problem that the corrosion-resistant method in the prior art is mainly to provide a layer of anti-corrosion protective paint surface layer on the surface of the ball valve, and use the surface layer to provide corrosion protection. However, the protective paint also has a service life and may be damaged by bumps, thereby losing its effectiveness and still causing the ball valve to be corroded. This single anti-corrosion method cannot meet the needs of use in environments with high humidity.

[0024] In order to better understand the above technical solution, the above technical solution will be described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0025] The utility model embodiment discloses a corrosion-resistant ball valve. Figure 1-4 As shown, it includes a ball valve body 1, the outer side of the ball valve body 1 is provided with an anti-rust coating 101, both ends of the ball valve body 1 are fixedly connected with external pipes 2, and the outer side of the ball valve body 1 is sleeved with a pair of protective covers 3, and the protective covers 3 are clamped;

[0026] A drying component is provided inside the protective cover 3, and the drying component includes:

[0027] A positioning cover 4 is arranged inside the protective cover 3;

[0028] The activated carbon plate 5 is movably clamped inside the positioning cover 4.

[0029] Furthermore, a screw rod 401 is threadedly connected to the positioning cover 4, and a clamping plate 402 is rotatably connected to the screw rod 401. The clamping plate 402 is pressed against the side of the activated carbon plate 5. The arranged screw rod 401 facilitates the position adjustment of the clamping plate 402, and the clamping plate 402 is utilized to clamp and limit the activated carbon plate 5, so that the activated carbon plate 5 is convenient to disassemble and assemble, and easy to replace and maintain.

[0030] Furthermore, a slider 403 is fixedly connected to the clamping plate 402, a slide groove 404 is provided on the positioning cover 4, and the slider 403 is slidably connected in the slide groove 404. The cooperation between the slider 403 and the slide groove 404 can provide support and limit for the clamping plate 402, thereby ensuring that the force on the clamping plate 402 is stable, and driving the slider 403 to move along the slide groove 404 when the clamping plate 402 moves.

[0031] A rotating handle 4011 is provided on the screw rod 401 , and the rotating handle 4011 is provided to facilitate the rotation of the screw rod 401 .

[0032] It is particularly disclosed that a plurality of overhead bars 405 are fixedly connected inside the positioning cover 4. The overhead bars 405 are convenient for isolating the activated carbon plate 5, so that the contact area between the activated carbon plate 5 and the internal air of the protective cover 3 is large, thereby improving the moisture adsorption capacity.

[0033] The protective cover 3 is provided with fixing strips 301 for installation on the outside of the ball valve body 1 . The fixing strips 301 are fixed with bolts, so the protective cover 3 is easy to install on the outside of the ball valve body 1 and the external pipe 2 .

[0034] The corrosion-resistant ball valve utilizes the anti-rust coating 101 to form preliminary corrosion-resistant protection for the ball valve body 1 during use. During the installation process, a protective cover 3 is simultaneously installed on the outside of the ball valve body 1 to provide secondary protection. The protective cover 3 is easy to install. At the same time, a drying component is arranged inside the protective cover 3 to absorb moisture in the internal space of the protective cover 3, thereby keeping the surface of the ball valve body 1 dry, and further enhancing the corrosion resistance of the ball valve body 1.

[0035] When installing the protective cover 3 , the paired protective covers 3 are directly aligned with the sides of the ball valve body 1 and the external pipe 2 , and the fixing strips 301 are aligned, and the protective covers 3 are locked in position by passing bolts through the fixing strips 301 .

[0036] The activated carbon plate 5 inside the protective cover 3 is convenient to disassemble and assemble, and easy to replace. When installing the activated carbon plate 5, first clamp the activated carbon plate 5 inside the positioning cover 4, then rotate the handle 4011 to drive the screw 401 to rotate, and the screw 401 pushes the clamping plate 402 to move, so that the clamping plate 402 is clamped with the side of the activated carbon plate 5 to fix the activated carbon plate 5.

[0037] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A corrosion-resistant ball valve, comprising a ball valve body (1), the outer side of the ball valve body (1) is provided with an anti-rust coating (101), both ends of the ball valve body (1) are fixedly connected to external pipes (2), characterized in that: A pair of protective covers (3) are sleeved on the outer side of the ball valve body (1), and the protective covers (3) are snap-fitted; A drying component is provided inside the protective cover (3), and the drying component comprises: A positioning cover (4) is arranged inside the protective cover (3); An activated carbon plate (5) is movably clamped inside the positioning cover (4).

2. A corrosion-resistant ball valve according to claim 1, characterized in that: The positioning cover (4) is threadedly connected to a screw rod (401), the screw rod (401) is rotatably connected to a clamping plate (402), and the clamping plate (402) is tightly pressed against the side surface of the activated carbon plate (5).

3. A corrosion-resistant ball valve according to claim 2, characterized in that: The clamping plate (402) is fixedly connected with a sliding block (403), the positioning cover (4) is provided with a sliding groove (404), and the sliding block (403) is slidably connected in the sliding groove (404).

4. A corrosion-resistant ball valve according to claim 2, characterized in that: The screw rod (401) is provided with a rotating handle (4011).

5. The corrosion-resistant ball valve according to claim 1, characterized in that: A plurality of groups of overhead bars (405) are fixedly connected inside the positioning cover (4).

6. The corrosion-resistant ball valve according to claim 1, characterized in that: The protective cover (3) is provided with a fixing strip (301) for being installed on the outside of the ball valve body (1).

Images