A highly sealed valve with replaceable components

Abstract

The present invention discloses a highly sealed valve with replaceable components, which relates to the technical field of sealed valves. The present invention includes a valve body, a fixed disk fixedly connected to the valve body, a valve cover connected to the fixed disk through an installation mechanism, a valve stem threadedly connected to the valve cover, and a sealing gasket fixedly connected to the bottom end of the valve stem. A positioning mechanism is provided between the fixed disk and the valve cover, and the sealing gasket is located inside the valve body; the installation mechanism includes an installation seat fixedly connected to the outer side wall of the fixed disk, a sliding rod fixedly connected to the outer side wall of the installation seat, a locking hole opened on the outer side wall of the sliding rod, a movable block movably connected to the sliding rod, a handle fixedly connected to the outer side wall of the movable block, and a driving mechanism connected to the movable block. A plugging column is fixedly connected to the side of the movable block away from the handle. The present invention is a highly sealed valve with replaceable components. By separating all the plugging columns from the fixed disk and the valve cover, the valve cover can be detached and the sealing gasket can be replaced.

Description

Technical Field

[0001] The invention relates to the technical field of sealing valves, and in particular to a high-sealing valve with replaceable parts. Background Art

[0002] Valves are control components in fluid delivery systems, with functions such as shutoff, regulation, backflow prevention, pressure stabilization, diversion or overflow pressure relief. Valves used in fluid control systems, from the simplest shut-off valves to various valves used in extremely complex automatic control systems, have a wide variety of varieties and specifications. Valves can be used to control the flow of various types of fluids such as air, water, steam, various corrosive media, mud, oil, liquid metal and radioactive media. Therefore, valves are widely used in industrial and other fields. Among them, seals are an indispensable component in various valves. After long-term use in valves, seals are prone to wear, so it is necessary to regularly disassemble and replace the seals in the valve.

[0003] The valves currently on the market need to have their gaskets replaced during long-term use to avoid leakage. When replacing the gaskets, it is usually necessary to remove the bolts that fix the valve cover and the valve body one by one, which is time-consuming and labor-intensive, reduces the practicality of the valve, and is inconvenient for users to use. Summary of the invention

[0004] The main purpose of the present invention is to provide a high-sealing valve with replaceable parts, which can effectively solve the problem that when replacing the sealing gasket, the bolts fixing the valve cover and the valve body usually need to be removed one by one, which is time-consuming and labor-intensive, reduces the practicality of the valve, and is inconvenient for users to use.

[0005] To achieve the above-mentioned purpose, the technical solution adopted by the present invention is: a high-sealing valve with replaceable parts, comprising a valve body, a fixed disk fixedly connected to the valve body, a valve cover connected to the fixed disk through a mounting mechanism, a valve stem threadedly connected to the valve cover, and a sealing gasket fixedly connected to the bottom end of the valve stem, a positioning mechanism is provided between the fixed disk and the valve cover, and the sealing gasket is located inside the valve body;

[0006] The mounting mechanism comprises a mounting seat fixedly connected to the outer wall of the fixing plate, a sliding rod fixedly connected to the outer wall of the mounting seat, a locking hole provided on the outer wall of the sliding rod, a movable block movably connected to the sliding rod, a handle fixedly connected to the outer wall of the movable block, and a driving mechanism connected to the movable block, wherein a plug-in column is fixedly connected to a side of the movable block away from the handle;

[0007] The driving mechanism includes a movable groove formed in the outer side wall of the movable block, a push rod movably connected to the movable groove, a limiting groove formed in the inner side wall of the movable groove, a limiting block fixedly connected to the outer side wall of the push rod, and a spring groove formed in the bottom of the movable block. The spring groove communicates with the movable groove, and a locking mechanism is arranged inside the spring groove;

[0008] The locking mechanism includes a connecting spring fixedly connected to the bottom of the spring groove, a movable rod fixedly connected to the other end of the connecting spring, and a triangular groove formed in the outer side wall of the movable rod. The opening of the triangular groove faces the movable groove;

[0009] The positioning mechanism includes a first positioning hole formed in the top of the fixed disk, a first sliding groove formed in the outer side wall of the fixed disk, a first positioning rod fixedly connected to the top of the fixed disk, and a second sliding groove formed in the outer side wall of the first positioning rod. The first sliding groove communicates with the first positioning hole.

[0010] Preferably, a second positioning hole is formed in the bottom of the valve cover, a third sliding groove is formed in the outer side wall of the valve cover, a second positioning rod is fixedly connected to the bottom of the valve cover, and a fourth sliding groove is formed in the outer side wall of the second positioning rod. The third sliding groove communicates with the second positioning hole.

[0011] Preferably, the central axis of the fixed disk coincides with the central axis of the valve cover. The number of the first positioning holes, the first positioning rods, the second positioning holes and the second positioning rods is six groups, and they are evenly distributed in a ring shape.

[0012] Preferably, the inner diameter of the first positioning hole is equal to the outer diameter of the second positioning rod, the second positioning rod slides inside the first positioning hole, the outer diameter of the first positioning rod is equal to the inner diameter of the second positioning hole, and the first positioning rod slides inside the second positioning hole.

[0013] Preferably, two locking holes are formed in the outer side wall of a group of the sliding rods. The inner diameter of the locking holes is equal to the outer diameter of the movable rod, and the movable rod slides inside the locking holes.

[0014] Preferably, the push rod includes a cylinder, a semi-circular groove formed at one end of the cylinder, and an inclined surface formed at the other end of the cylinder. The inclined surface is attached to the hypotenuse of the triangular groove.

[0015] Preferably, the limiting block is a ring, and the longitudinal section of the limiting block matches the longitudinal section of the limiting groove.

[0016] Preferably, the connecting spring is a compression spring.

[0017] Preferably, two plugging columns are fixedly connected to the side of a group of the movable blocks away from the handle. The inner diameters of the two plugging columns are the same, but their lengths are different.

[0018] Compared with the prior art, the present invention has the following beneficial effects:

[0019] 1. In the present invention, when the gasket needs to be replaced, the push rod is pushed at this time, so that the hypotenuse of the push rod fits with the hypotenuse of the triangular groove, and then the push rod is continuously pushed, so that the push rod drives the movable rod to move upward, and the movable rod squeezes the connecting spring until the movable rod completely disengages from the locking hole. Then, the movable block is pulled by the handle. When the outer side wall of the movable block abuts against the side wall of the mounting seat, the movable rod will be directly above another locking hole at this time. Then, the push rod is released. At this time, the movable rod will move downward under the action of gravity and the elastic force of the connecting spring, so as to make the movable rod penetrate the locking hole and fix the movable block. At this time, the plug post will disengage from the fixed disk and the valve cover. Then, repeat the above operation to separate all the plug posts from the fixed disk, and thus the valve cover can be detached and the gasket can be replaced.

[0020] 2. In the present invention, by arranging the connecting spring, when the movable rod is inserted into the locking hole, under the action of the gravity of the movable rod itself and the elastic force of the connecting spring, the situation that the movable rod disengages from the locking hole without external force can be effectively prevented. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 is a schematic diagram of the overall structure of a high-sealing valve with replaceable components according to the present invention;

[0022] Figure 2 is a schematic diagram of the structure when the movable block of a high-sealing valve with replaceable components according to the present invention moves;

[0023] Figure 3 is a schematic diagram of the structure when the movable rod of a high-sealing valve with replaceable components according to the present invention is inserted into another locking hole;

[0024] Figure 4 is a schematic diagram of the fixed disk structure of a high-sealing valve with replaceable components according to the present invention;

[0025] Figure 5 is a top view schematic diagram of the fixed disk of a high-sealing valve with replaceable components according to the present invention;

[0026] Figure 6 is a high-sealing valve with replaceable components according to the present invention Figure 1 A structure enlarged schematic diagram;

[0027] Figure 7 is a schematic diagram of the structure of the fixed disk and the valve cover of a high-sealing valve with replaceable components according to the present invention.

[0028] In the figure: 1, valve body; 2, fixed disk; 21, first positioning hole; 22, first positioning rod; 3, valve cover; 4, valve stem; 5, gasket; 6, mounting seat; 7, slide bar; 8, locking hole; 9, movable block; 10, handle; 11, push rod; 12, limit groove; 13, limit block; 14, connecting spring; 15, movable rod; 16, triangular groove; 17, insertion column. Detailed implementation mode

[0029] In order to make the technical means, creative features, achieved purposes and functions of the present invention easy to understand, the present invention will be further described below in conjunction with specific implementation modes.

[0030] In the description of the present invention, it should be noted that the orientation or positional relationship indicated by the terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end", "the other end", etc. is based on the orientation or positional relationship shown in the drawings. It is 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 should not be construed as a limitation of the present invention. In addition, the terms "first" and "second" are only used for descriptive purposes and cannot be construed as indicating or implying relative importance.

[0031] In the description of the present invention, it should be noted that unless otherwise clearly specified and limited, the terms "installation", "provided with", "connection", etc. should be understood in a broad sense. For example, "connection" 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 directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific situations.

[0032] Please refer to Figure 1 As shown in Fig. 7, the present invention is a highly sealed valve with replaceable components, including a valve body 1, a fixed disk 2 fixedly connected to the valve body 1, a valve cover 3 connected to the fixed disk 2 through a mounting mechanism, a valve stem 4 threadedly connected to the valve cover 3, and a gasket 5 fixedly connected to the bottom end of the valve stem 4. A positioning mechanism is arranged between the fixed disk 2 and the valve cover 3, and the gasket 5 is located inside the valve body 1;

[0033] The mounting mechanism includes a mounting seat 6 fixedly connected to the outer side wall of the fixed disk 2, a slide bar 7 fixedly connected to the outer side wall of the mounting seat 6, a locking hole 8 opened on the outer side wall of the slide bar 7, a movable block 9 movably connected to the slide bar 7, a handle 10 fixedly connected to the outer side wall of the movable block 9, and a driving mechanism connected to the movable block 9. An insertion column 17 is fixedly connected to the side of the movable block 9 away from the handle 10;

[0034] The driving mechanism includes a movable groove formed on the outer sidewall of the movable block 9, a push rod 11 movably connected to the movable groove, a limiting groove 12 formed on the inner sidewall of the movable groove, a limiting block 13 fixedly connected to the outer sidewall of the push rod 11, and a spring groove formed at the bottom of the movable block 9. The spring groove is communicated with the movable groove, and a locking mechanism is arranged inside the spring groove;

[0035] The locking mechanism includes a connecting spring 14 fixedly connected to the bottom of the spring groove, a movable rod 15 fixedly connected to the other end of the connecting spring 14, and a triangular groove 16 formed on the outer sidewall of the movable rod 15. The opening of the triangular groove 16 faces the movable groove;

[0036] The positioning mechanism includes a first positioning hole 21 formed on the top of the fixed disk 2, a first sliding groove formed on the outer sidewall of the fixed disk 2, a first positioning rod 22 fixedly connected to the top of the fixed disk 2, and a second sliding groove formed on the outer sidewall of the first positioning rod 22. The first sliding groove is communicated with the first positioning hole 21.

[0037] A second positioning hole is formed at the bottom of the valve cover 3, a third sliding groove is formed on the outer sidewall of the valve cover 3, a second positioning rod is fixedly connected to the bottom of the valve cover 3, and a fourth sliding groove is formed on the outer sidewall of the second positioning rod. The third sliding groove is communicated with the second positioning hole.

[0038] The central axis of the fixed disk 2 coincides with the central axis of the valve cover 3. The number of the first positioning holes 21, the first positioning rods 22, the second positioning holes and the second positioning rods is six groups, and they are distributed at equal intervals in a ring shape.

[0039] The inner diameter dimension of the first positioning hole 21 is equal to the outer diameter dimension of the second positioning rod. The second positioning rod slides inside the first positioning hole 21. The outer diameter dimension of the first positioning rod 22 is equal to the inner diameter dimension of the second positioning hole, and the first positioning rod 22 slides inside the second positioning hole. By inserting the first positioning rod 22 into the second positioning hole and the second positioning rod into the first positioning hole 21, the positioning between the valve cover 3 and the fixed disk 2 is realized.

[0040] Two locking holes 8 are formed on the outer sidewall of a group of sliding rods 7. The inner diameter dimension of the locking holes 8 is equal to the outer diameter dimension of the movable rod 15. The movable rod 15 slides inside the locking holes 8. By inserting the movable rod 15 into the locking holes 8, the movable block 9 is fixed on the outer surface of the sliding rod 7.

[0041] The push rod 11 includes a cylinder, a semi-circular groove formed at one end of the cylinder, and an inclined surface formed at the other end of the cylinder. The inclined surface is attached to the hypotenuse of the triangular groove 16. By pushing the push rod 11, the movable rod 15 is driven to move.

[0042] The limiting block 13 is a ring, and the longitudinal section of the limiting block 13 matches the longitudinal section of the limiting groove 12. Through the cooperation of the limiting block 13 and the limiting groove 12, the movement of the push rod 11 becomes more stable.

[0043] The connecting spring 14 is a compression spring.

[0044] One side of a set of movable blocks 9 away from the handle 10 is fixedly connected with two sets of insertion columns 17. The inner diameter sizes of the two sets of insertion columns 17 are the same, but the lengths are different.

[0045] The working principle of the present invention is as follows: When it is necessary to replace the gasket 5, at this time, the push rod 11 is pushed, so that the hypotenuse of the push rod 11 fits with the hypotenuse of the triangular groove 16, and then the push rod 11 is continuously pushed, so that the push rod 11 drives the movable rod 15 to move upward, and the movable rod 15 squeezes the connecting spring 14 until the movable rod 15 completely disengages from the locking hole 8. After that, the handle 10 is used to pull the movable block 9. When the outer side wall of the movable block 9 abuts against the side wall of the mounting seat 6, at this time, the movable rod 15 will be directly above another locking hole 8. Then the push rod 11 is released. At this time, the movable rod 15 will move downward under the action of gravity and the elastic force of the connecting spring 14, so as to make the movable rod 15 penetrate through the locking hole 8 and fix the movable block 9 accordingly. And at this time, the insertion column 17 will disengage from the fixed disk 2 and the valve cover 3. After that, the above operation is repeated to separate all the insertion columns 17 from the fixed disk 2, thereby detaching the valve cover 3 and replacing the gasket 5.

[0046] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited by the above embodiments. What is described in the above embodiments and the specification only illustrates the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention will have various changes and improvements, and these changes and improvements all fall within the scope of the present invention claimed. The scope of protection claimed by the present invention is defined by the appended claims and their equivalents.

Claims

1. A highly sealed valve with replaceable components, Characterized in that: It includes a valve body (1), a fixed disk (2) fixedly connected to the valve body (1), a valve cover (3) connected to the fixed disk (2) through an installation mechanism, a valve stem (4) threadedly connected to the valve cover (3), and a gasket (5) fixedly connected to the bottom end of the valve stem (4). A positioning mechanism is provided between the fixed disk (2) and the valve cover (3), and the gasket (5) is located inside the valve body (1); The installation mechanism includes a mounting seat (6) fixedly connected to the outer side wall of the fixed disk (2), a sliding rod (7) fixedly connected to the outer side wall of the mounting seat (6), a locking hole (8) opened on the outer side wall of the sliding rod (7), a movable block (9) movably connected to the sliding rod (7), a handle (10) fixedly connected to the outer side wall of the movable block (9), and a driving mechanism connected to the movable block (9). A plugging column (17) is fixedly connected to the side of the movable block (9) away from the handle (10); The driving mechanism includes a movable groove opened on the outer side wall of the movable block (9), a push rod (11) movably connected to the movable groove, a limiting groove (12) opened on the inner side wall of the movable groove, a limiting block (13) fixedly connected to the outer side wall of the push rod (11), and a spring groove opened at the bottom of the movable block (9). The spring groove communicates with the movable groove, and a locking mechanism is provided inside the spring groove; The locking mechanism includes a connecting spring (14) fixedly connected to the bottom of the spring groove, a movable rod (15) fixedly connected to the other end of the connecting spring (14), and a triangular groove (16) opened on the outer side wall of the movable rod (15). The opening of the triangular groove (16) faces the movable groove; The positioning mechanism includes a first positioning hole (21) opened on the top of the fixed disk (2), a first sliding groove opened on the outer side wall of the fixed disk (2), a first positioning rod (22) fixedly connected to the top of the fixed disk (2), and a second sliding groove opened on the outer side wall of the first positioning rod (22). The first sliding groove communicates with the first positioning hole (21); A second positioning hole is opened at the bottom of the valve cover (3), a third sliding groove is opened on the outer side wall of the valve cover (3), a second positioning rod is fixedly connected to the bottom of the valve cover (3), and a fourth sliding groove is opened on the outer side wall of the second positioning rod. The third sliding groove communicates with the second positioning hole; The central axes of the fixed disk (2) and the valve cover (3) coincide. The number of the first positioning holes (21), the first positioning rods (22), the second positioning holes and the second positioning rods is six groups, and they are evenly distributed in a ring at equal intervals; The inner diameter dimension of the first positioning hole (21) is equal to the outer diameter dimension of the second positioning rod. The second positioning rod slides inside the first positioning hole (21). The outer diameter dimension of the first positioning rod (22) is equal to the inner diameter dimension of the second positioning hole, and the first positioning rod (22) slides inside the second positioning hole; On the outer sidewall of a set of the sliding rods (7), two sets of the locking holes (8) are formed. The inner diameter of the locking holes (8) is equal to the outer diameter of the movable rod (15), and the movable rod (15) slides inside the locking holes (8).

2. A highly-sealed valve with replaceable components according to claim 1, wherein: The push rod (11) includes a cylinder, a semi-circular groove formed at one end of the cylinder, and an inclined surface formed at the other end of the cylinder. The inclined surface is in contact with the hypotenuse of the triangular groove (16).

3. A highly-sealed valve with replaceable components according to claim 2, wherein: The limiting block (13) is a ring, and the longitudinal section of the limiting block (13) matches the longitudinal section of the limiting groove (12).

4. A highly-sealed valve with replaceable components according to claim 3, wherein: The connecting spring (14) is a compression spring.

5. A highly-sealed valve with replaceable components according to claim 4, wherein: On one side of a set of the movable blocks (9) away from the handle (10), two sets of the insertion columns (17) are fixedly connected. The inner diameters of the two sets of the insertion columns (17) are the same, but the lengths are different.

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