All-welded forged steel fixed ball valve

Abstract

The utility model discloses an all-welded forged steel fixed ball valve, and relates to the technical field of mechanical engineering. The all-welded forged steel fixed ball valve is provided. The all-welded forged steel fixing ball valve comprises a ball valve sleeve, a ball body is arranged in the ball valve sleeve, a pipeline is fixedly connected to the ball valve sleeve, a fixing column is fixedly connected to the ball body, a fixing plate is fixedly connected to the pipeline, a limiting assembly is arranged between the fixing column and the fixing plate, and the limiting assembly comprises a cavity and a spring. The cavity is formed in the fixing column, the spring is fixed in the cavity, the end, away from the cavity, of the spring is fixedly connected with a sliding block, and the front face of the sliding block is fixedly connected with a clamping block. According to the all-welded forged steel fixed ball valve, the limiting assembly is adopted for limiting the ball body, so that the ball body only has two states of complete opening and complete closing, and it is guaranteed that the through hole in the ball body and the axis of the pipeline can only be in the coincident or perpendicular position relation.

Description

TECHNICAL FIELD

[0001] The utility model relates to mechanical engineering technical field, concretely is a kind of all-welded forged steel fixed ball valve. BACKGROUND

[0002] With the continuous development of global oil and gas resources and the increase of transportation demand, the safety and reliability of pipeline transportation system are extremely high. All-welded forged steel fixed ball valve can withstand high pressure, high temperature and corrosion of corrosive medium, effectively control the flow and cut-off of oil and gas, and ensure the safety and stability of oil and gas transportation.

[0003] The existing all-welded forged steel fixed ball valve is mostly controlled by rotating the rotating wheel to realize the opening and closing of the ball, when the rotating disc is opened, the through hole on the ball may not be completely coincident with the pipeline axis, when the through hole on the ball is not completely coincident with the pipeline axis, the flowing liquid will produce force on the inner wall of the ball, which will cause damage to the ball and increase the maintenance cost of the ball. In view of the deficiency of prior art, the utility model provides an all-welded forged steel fixed ball valve to solve the above problems. UTILITY MODEL CONTENTS

[0004] In view of the deficiency of prior art, the utility model provides an all-welded forged steel fixed ball valve to solve the problem that the through hole on the ball is not completely coincident with the pipeline axis.

[0005] To achieve the above purpose, the utility model is realized by the following technical scheme: an all-welded forged steel fixed ball valve, comprising a ball valve sleeve, a ball body is arranged in the ball valve sleeve, a pipeline is fixedly connected to the ball valve sleeve, a fixed column is fixedly connected to the ball body, a fixed plate is fixedly connected to the pipeline, a protection box is fixedly connected to the fixed plate, and a limiting assembly is arranged between the fixed column and the fixed plate.

[0006] The limiting assembly comprises a cavity and a spring, the cavity is arranged in the fixed column, the spring is fixed in the cavity, one end of the spring away from the cavity is fixedly connected with a sliding block, the front surface of the sliding block is fixedly connected with a clamping block, and the clamping block is slidingly connected in the fixed column.

[0007] Preferably, a cover plate is rotatably connected to the protection box.

[0008] Preferably, a first slot and a second slot corresponding to the clamping block are arranged in the fixed plate.

[0009] Preferably, a second handle is fixedly connected to the fixed column.

[0010] Preferably, a first handle is fixedly connected to the cover plate.

[0011] Preferably, the sliding block is slidingly connected in the fixed column.

[0012] The utility model discloses a kind of full-welded forged steel fixed ball valves, it has the beneficial effects as follows: the full-welded forged steel fixed ball valve, using limiting component, ball is positioned, so that ball only has two states of complete opening and complete closing, ensure that the through hole on ball and pipeline axis can only be in coincident or perpendicular positional relationship, so it can well reduce the impact force of flow liquid in pipeline to the inner wall of ball, can increase the service life of ball. BRIEF DESCRIPTION OF DRAWINGS

[0013] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or prior art, the drawings needed to be used in the embodiment or prior art description will be simply introduced below, and obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can also be obtained according to these drawings without creative labor.

[0014] Figure 1 It is the whole structure schematic diagram of the utility model;

[0015] Figure 2 It is the pipeline structure schematic diagram of the utility model;

[0016] Figure 3 It is the ball structure schematic diagram of the utility model;

[0017] Figure 4 It is the fixed plate structure schematic diagram of the utility model;

[0018] Figure 5 It is the limiting component structure schematic diagram of the utility model.

[0019] In the drawing: 1, ball valve sleeve;11, pipeline;2, fixed plate;21, first notch;22, second notch;3, protection box;31, cover plate;32, first handle;4, second handle;5, ball;51, fixed column;6, limiting component;61, sliding block;62, clamping block;63, cavity;64, spring. DETAILED DESCRIPTION

[0020] In order to make the purpose, technical scheme and advantage of the embodiment of the utility model more clear, the technical scheme in the embodiment of the utility model is clearly and completely described, obviously, the described embodiment is a part of embodiment of the utility model, not all embodiments. Based on the embodiment in the utility model, all other embodiments obtained by those skilled in the art without creative labor are within the protection scope of the utility model.

[0021] The embodiment of the application provides a full-welding forged steel fixed ball valve, solves the problem that a through hole on a ball body does not completely coincide with a pipeline axis, and realizes that the through hole on the ball body and the pipeline axis can only be in a coinciding or perpendicular position relationship.

[0022] In order to better understand the above technical solutions, the above technical solutions will be described in detail below in combination with the drawings of the specification and specific embodiments.

[0023] The embodiment of the utility model discloses a full-welding forged steel fixed ball valve, according to the attached Figures 1-5 As shown in the figure, including the ball valve cover 1, the ball valve cover 1 protects the ball body 5, prevents the article of outside damage ball body 5, be equipped with ball body 5 in the ball valve cover 1, when the through hole opened on ball body 5 coincides with the axis of pipeline 11, can allow the flow liquid to pass through pipeline 11 smoothly, when the through hole opened on ball body 5 is perpendicular to the axis of pipeline 11, the flow liquid in pipeline 11 is cut off in pipeline 11, the ball valve cover 1 is fixedly connected with pipeline 11, the flow liquid in pipeline 11 can reach the required position through ball body 5, ball body 5 is fixedly connected with fixed column 51, fixed column 51 is fixedly connected with ball body 5, can pass through the rotation of fixed plate 2 to control, thereby control ball body 5 rotates, realize the opening and closing of ball body 5 valve, pipeline 11 is fixedly connected with fixed plate 2, fixed plate 2 is fixedly connected with protection box 3, protection box 3 is to protect the full-welding forged steel fixed ball valve buried in the ground, limit assembly 6 is arranged between fixed column 51 and fixed plate 2, limit assembly 6 is the limit of fixed column 51;

[0024] Limit assembly 6 includes cavity 63 and spring 64, cavity 63 is arranged in fixed column 51, spring 64 is fixed in cavity 63, spring 64 controls the reset of sliding block 61, one end of spring 64 away from cavity 63 is fixedly connected with sliding block 61, the upper half of sliding block 61 is convenient for user to release limit assembly 6, the lower half is fixedly connected with spring 64, which is convenient for realizing the compression of spring 64, the front surface of sliding block 61 is fixedly connected with clamping block 62, clamping block 62 is clamped with corresponding first notch 21 and second notch 22 to limit fixed column 51, fixed column 51 is fixedly connected with ball body 5, fixed column 51 is limited, and thus the limitation of ball body 5 is realized, clamping block 62 is slidingly connected in fixed column 51, which is convenient for realizing the limitation of fixed column 51.

[0025] The cover plate 31 is rotatably connected to the protection box 3, and the cover plate 31 is connected to the protection box 3 through a rotating shaft. Opening the cover plate 31 facilitates controlling the position of the fixed column 51 through the second handle 4. Closing the cover plate 31 protects the limit assembly 6 from external debris.

[0026] The fixed plate 2 is provided with a first notch 21 and a second notch 22 corresponding to the clamping block 62, when the fixed plate 2 is clamped in the first notch 21, the ball valve 5 is in an open state, when the fixed plate 2 is clamped in the second notch 22, the ball valve 5 is in a closed state, when the adjacent pipeline 11 needs to be maintained, the ball valve 5 can be quickly closed.

[0027] The second handle 4 is fixedly connected to the fixed column 51, and rotating the second handle 4 can control the rotation of the fixed column 51.

[0028] The first handle 32 is fixedly connected to the cover plate 31, and the first handle 32 is convenient for opening and closing the cover plate 31 and changing the working state of the full-welding forged steel fixed ball valve.

[0029] The sliding block 61 is slidingly connected in the fixed column 51, the sliding block 61 is clamped in the corresponding first notch 21 and second notch 22, the sliding block 61 is limited, and the sliding block 61 is slidingly connected in the fixed column 51, so as to fix the fixed column 51.

[0030] When the pipeline 11 needs to be maintained, the full-welding forged steel fixed ball valve device connected with the pipeline 11 is used to control the flow of liquid in the pipeline 11, first, the second handle 4 is pulled to open the cover plate 31, then the sliding block 61 is pushed backward, the sliding block 61 extrudes the spring 64 and drives the clamping block 62 to move into the cavity 63, the clamping block 62 clamped in the notch is pulled out, the second handle 4 is rotated to drive the fixed column 51 to rotate, and then the ball 5 is rotated, so that the through hole on the ball 5 is in a coincident or perpendicular position relationship with the axis of the pipeline 11, and the flow of liquid in the pipeline 11 can be adjusted.

[0031] The basic principle and main features of the utility model and the advantages of the utility model are shown and described. It should be understood by those skilled in the art that the utility model is not limited by the above-mentioned embodiments, and the above-mentioned embodiments and the description in the specification are only to illustrate the principle of the utility model, and various changes and improvements can be made to the utility model without departing from the spirit and scope of the utility model, and these changes and improvements all fall within the scope of the utility model claimed. The protection scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A fully welded forged steel fixed ball valve, comprising a ball valve sleeve (1), wherein a ball (5) is disposed inside the ball valve sleeve (1), and a pipe (11) is fixedly connected to the ball valve sleeve (1), characterized in that, A fixed column (51) is fixedly connected to the sphere (5), a fixed plate (2) is fixedly connected to the pipe (11), a protective box (3) is fixedly connected to the fixed plate (2), and a limiting component (6) is provided between the fixed column (51) and the fixed plate (2). The limiting component (6) includes a cavity (63) and a spring (64). The cavity (63) is located inside the fixed post (51). The spring (64) is fixed inside the cavity (63). A slider (61) is fixedly connected to one end of the spring (64) away from the cavity (63). A locking block (62) is fixedly connected to the front of the slider (61). The locking block (62) is slidably connected inside the fixed post (51).

2. The all-welded forged steel fixed ball valve according to claim 1, characterized in that, A cover plate (31) is rotatably connected to the protective box (3).

3. The all-welded forged steel fixed ball valve according to claim 1, characterized in that, The fixing plate (2) is provided with a first slot (21) and a second slot (22) corresponding to the card block (62).

4. A fully welded forged steel fixed ball valve according to claim 3, characterized in that, A second handle (4) is fixedly connected to the fixed column (51).

5. A fully welded forged steel fixed ball valve according to claim 2, characterized in that, A first handle (32) is fixedly connected to the cover plate (31).

6. A fully welded forged steel fixed ball valve according to claim 1, characterized in that, The slider (61) is slidably connected to the fixed column (51).

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