Ball valve convenient to maintain

Abstract

The utility model belongs to the technical field of ball valves, and particularly relates to a ball valve convenient to maintain, which comprises a valve body, a valve core and a valve rod, the valve rod is connected with the valve element in an inserted mode so as to drive the valve element to rotate. The sealing rings are arranged on the two sides of the valve element and used for limiting the valve element; according to the ball valve convenient to maintain, the valve element is limited through the two sealing rings, then the valve element is movably connected with the valve body through the flange pipelines so that the sealing rings can be tightly pressed, when the valve element and the sealing rings need to be maintained, only the flange pipelines need to be detached, and the maintenance cost is reduced. Therefore, the effect of convenient disassembly and maintenance is achieved.

Description

Technical Field

[0001] The utility model belongs to the technical field of ball valves, and in particular relates to a ball valve which is easy to maintain. 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. It can be used for fluid regulation and control. When the ball valve is in use, since the ball is a frequently moving part, it is prone to wear, causing the internal gap to become larger, resulting in a loose closure, so the ball valve needs to be maintained.

[0003] Traditional ball valves are usually connected by welding, which makes it inconvenient to disassemble the ball and its related parts during daily maintenance.

[0004] Therefore, in order to solve the above problems, it is necessary to design a ball valve that is easy to maintain. Utility Model Content

[0005] The utility model aims to provide a ball valve which is easy to maintain, so as to solve the technical problem that the existing ball valve is inconvenient to disassemble.

[0006] In order to solve the above technical problems, the utility model provides a ball valve that is easy to maintain, including:

[0007] The valve body has a valve core and a valve stem inside.

[0008] The valve stem is plugged into the valve core to drive the valve core to rotate;

[0009] Sealing rings are arranged on both sides of the valve core to limit the position of the valve core;

[0010] The flange pipes arranged on both sides of the valve body are movably connected to the valve body to limit the sealing ring.

[0011] Furthermore, the two side surfaces of the valve body are provided with placement parts;

[0012] The placement portion is suitable for placing a sealing ring.

[0013] Furthermore, a lower rotating seat is provided inside the valve body;

[0014] The lower rotating seat is arranged between two sealing rings; and

[0015] The lower rotating seat is arranged at the bottom of the valve core.

[0016] Furthermore, an upper rotating seat is provided inside the valve body;

[0017] The upper rotating seat is arranged on the top of the valve core; and

[0018] The upper rotating seat is arranged between the two sealing rings; and

[0019] The valve stem penetrates through the upper rotating seat and is plugged into the valve core.

[0020] Furthermore, a hollow screw is engaged with the top of the valve body;

[0021] The hollow screw is arranged on the top of the upper rotating seat; and

[0022] The hollow screw abuts against the top of the upper rotating seat.

[0023] Furthermore, a filling sleeve is provided on the outer side of the valve stem;

[0024] The valve stem and the filling sleeve are located in the middle of the hollow screw; and

[0025] The hollow screw is suitable for limiting the position of the valve stem and the filling sleeve.

[0026] Furthermore, a wrench is connected to the top of the valve stem;

[0027] The wrench is suitable for driving the valve stem to rotate when rotating.

[0028] Furthermore, a mounting position is provided on the side of the flange pipe;

[0029] A filter is provided in the installation position; and

[0030] The filter screen is in contact with the sealing ring.

[0031] The beneficial effects of the utility model are:

[0032] (I) The utility model limits the valve core by two sealing rings, and then flexibly connects with the valve body through a flange pipe to press the sealing rings tightly. When the valve core and the sealing ring need to be maintained, only the flange pipe needs to be disassembled, thereby achieving the effect of easy disassembly and maintenance.

[0033] (ii) The utility model provides a filter screen to reduce the entry of impurities between the valve core and the sealing ring, thereby reducing wear and tear and reducing the frequency of maintenance and replacement.

[0034] Other features and advantages of the utility model will be described in the following description, and partly become apparent from the description, or understood by practicing the utility model. The purpose and other advantages of the utility model are realized and obtained by the structures particularly pointed out in the description and the drawings.

[0035] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, preferred embodiments are given below and described in detail with reference to the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0036] In order to more clearly illustrate the specific implementation methods of the utility model or the technical solutions in the prior art, the drawings required for use in the specific implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some implementation methods of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0037] Figure 1 It is a cross-sectional view of a preferred embodiment of the utility model as a whole;

[0038] Figure 2 It is an exploded view of the preferred embodiment of the utility model as a whole;

[0039] Figure 3 It is an assembly stereogram of the preferred embodiment of the whole of the utility model.

[0040] In the figure:

[0041] Valve body 1, placement part 101, valve core 2, valve stem 3, sealing ring 4, flange pipe 5, installation position 501, lower swivel seat 6, upper swivel seat 7, hollow screw 8, filling sleeve 9, wrench 10, filter screen 11. DETAILED DESCRIPTION

[0042] In order to make the purpose, technical solution and advantages of the embodiments of the utility model clearer, the technical solution of the utility model will be clearly and completely described below in conjunction with the accompanying drawings. 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. Example

[0043] like Figures 1 to 3 As shown, this embodiment provides a ball valve that is easy to maintain, including:

[0044] A valve body 1 is provided with a valve core 2 and a valve stem 3 inside; wherein the valve stem 3 is plugged into the valve core 2 to drive the valve core 2 to rotate; a sealing ring 4 is arranged on both sides of the valve core 2 to limit the valve core 2; a flange pipe 5 is arranged on both sides of the valve body 1 and is movably connected to the valve body 1 to limit the sealing ring 4; wherein the sealing ring 4 is most preferably made of rubber material to seal the valve body 1 and the valve core 2.

[0045] The two side surfaces of the valve body 1 are provided with placement portions 101 ; wherein the placement portions 101 are suitable for placing the sealing ring 4 ; by providing the placement portions 101 , the effect of limiting the position of the sealing ring 4 is achieved.

[0046] A lower rotating seat 6 is provided inside the valve body 1; wherein the lower rotating seat 6 is arranged between the two sealing rings 4; and the lower rotating seat 6 is arranged at the bottom of the valve core 2; by providing the lower rotating seat 6, the effect of ensuring the stable rotation of the valve core 2 is achieved.

[0047] An upper rotating seat 7 is provided inside the valve body 1; wherein the upper rotating seat 7 is arranged on the top of the valve core 2; and the upper rotating seat 7 is arranged between the two sealing rings 4; and the valve stem 3 passes through the upper rotating seat 7 and is plugged into the valve core 2; wherein the upper rotating seat 7 is provided so as to achieve the joint rotation with the lower rotating seat 6.

[0048] A hollow screw 8 is engaged at the top of the valve body 1; wherein the hollow screw 8 is arranged at the top of the upper rotating seat 7; and the hollow screw 8 abuts against the top of the upper rotating seat 7; by setting the hollow screw 8, the upper rotating seat 7 is limited to prevent the upper rotating seat 7 from moving and affecting the normal rotation of the valve core 2.

[0049] The outer side of the valve stem 3 is provided with a filling sleeve 9; wherein the valve stem 3 and the filling sleeve 9 are located in the middle of the hollow screw 8; and the hollow screw 8 is suitable for limiting the valve stem 3 and the filling sleeve 9; by providing the filling sleeve 9, the effect of preventing external or internal liquid or gas from leaking from between the hollow screw 8 and the valve stem 3 is achieved; wherein the filling sleeve 9 is made of but not limited to rubber material; by providing the hollow screw 8, the effect of limiting the valve stem 3 is achieved.

[0050] A wrench 10 is connected to the top of the valve stem 3; wherein the wrench 10 is suitable for driving the valve stem 3 to rotate when rotating.

[0051] A mounting position 501 is provided on the side of the flange pipe 5; a filter screen 11 is provided in the mounting position 501; and the filter screen 11 is in contact with the sealing ring 4; by providing the filter screen 11, impurities are reduced from entering between the valve core 2 and the sealing ring 4, thereby reducing wear and reducing the frequency of maintenance and replacement.

[0052] In this embodiment, the valve core 2 is limited by two sealing rings 4, and then movably connected to the valve body 1 through a flange pipe 5 to tighten the sealing ring 4. When the valve core 2 and the sealing ring 4 need to be maintained, it is only necessary to remove the flange pipe 5, thereby achieving the effect of easy disassembly and maintenance.

[0053] The various devices selected in this application (components whose specific structures are not described) are all universal standard parts or components known to those skilled in the art, and their structures and principles can be known to those skilled in the art through technical manuals or conventional experimental methods.

[0054] In the description of the embodiments of the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0055] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0056] Based on the above ideal embodiments of the utility model, the relevant staff can make various changes and modifications without deviating from the technical concept of the utility model through the above description. The technical scope of the utility model is not limited to the content of the specification, and its technical scope must be determined according to the scope of the claims.

Claims

1. A ball valve that is easy to maintain, characterized in that: include: A valve body (1) having a valve core (2) and a valve stem (3) disposed therein; in The valve stem (3) is plugged into the valve core (2) to drive the valve core (2) to rotate; Sealing rings (4) are arranged on both sides of the valve core (2) to limit the position of the valve core (2); Flange pipes (5) are arranged on both sides of the valve body (1) and are movably connected to the valve body (1) to limit the position of the sealing ring (4); The side of the flange pipe (5) is provided with a mounting position (501); wherein A filter screen (11) is provided in the installation position (501); and The filter screen (11) abuts against the sealing ring (4).

2. The ball valve for easy maintenance according to claim 1, characterized in that: The valve body (1) is provided with placement portions (101) on both side surfaces; The placement portion (101) is suitable for placing a sealing ring (4).

3. The ball valve for easy maintenance according to claim 2, characterized in that: A lower rotating seat (6) is provided inside the valve body (1); wherein The lower rotating seat (6) is arranged between the two sealing rings (4); and The lower rotating seat (6) is arranged at the bottom of the valve core (2).

4. The ball valve for easy maintenance according to claim 3, characterized in that: An upper rotating seat (7) is provided inside the valve body (1); wherein The upper rotating seat (7) is arranged on the top of the valve core (2); and The upper rotating seat (7) is arranged between the two sealing rings (4); and The valve stem (3) passes through the upper rotating seat (7) and is plugged into the valve core (2).

5. The ball valve for easy maintenance according to claim 4, characterized in that: The top of the valve body (1) is engaged with a hollow screw (8); wherein The hollow screw (8) is arranged on the top of the upper rotating seat (7); and The hollow screw (8) abuts against the top of the upper rotating seat (7).

6. The ball valve for easy maintenance according to claim 5, characterized in that: The outer side of the valve stem (3) is provided with a filling sleeve (9); wherein The valve stem (3) and the filling sleeve (9) are located in the middle of the hollow screw (8); and The hollow screw (8) is suitable for limiting the position of the valve stem (3) and the filling sleeve (9).

7. The ball valve for easy maintenance according to claim 6, characterized in that: The top of the valve stem (3) is connected to a wrench (10); The wrench (10) is suitable for driving the valve stem (3) to rotate when it is rotated.

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