Self-sealing valve convenient to control and maintain

Abstract

The self-sealing valve convenient to control and maintain relates to the technical field of valves and comprises a valve body and a cover plate, an access hole is formed in the middle of the front side of the valve body, the cover plate abuts against the outer side of the access hole, and a plurality of fixing blocks are fixedly arranged on the surface of the cover plate in an annular array mode. Through holes are formed in the middles of the multiple fixing blocks correspondingly, inserting rods are arranged in the through holes in a sliding mode, limiting rings are fixedly arranged at the positions, corresponding to the multiple fixing blocks, of the edge of the access hole correspondingly, the multiple inserting rods are connected with the corresponding limiting rings in an inserted mode correspondingly, and a rotating rod is rotationally arranged on the front side of the cover plate. The rod wall of the rotating rod is fixedly sleeved with a rotating disc, a transmission mechanism for driving the inserting rods to move is arranged on the front side of the rotating disc, and a limiting mechanism for limiting rotation of the rotating disc is arranged on the front side of the upper end of the cover plate. The valve is provided with the access hole, so that the access hole can be conveniently opened to maintain and repair internal elements of the valve.

Description

Technical Field

[0001] The utility model relates to the technical field of valves, in particular to a self-sealing valve which is easy to control and maintain. Background Art

[0002] With the rapid development of social economy, valves are pipeline accessories used to open and close pipelines, control flow direction, adjust and control the parameters (temperature, pressure and flow) of the conveying medium. They are control components in fluid conveying systems.

[0003] The valve housing of traditional self-sealing valves that are easy to control and maintain is usually an integrated design. Therefore, when the internal components of the valve are damaged or aged and need maintenance and repair, it is necessary to go through tedious disassembly steps to remove the components, which is very time-consuming and labor-intensive. Utility Model Content

[0004] In view of the above problems existing in the existing self-sealing valves that are easy to control and maintain, the present utility model is proposed.

[0005] Therefore, the purpose of the present invention is to provide a self-sealing valve that is easy to control and maintain, which solves the problem that the valve housing of the self-sealing valve that is easy to control and maintain in the prior art is usually an integrated design. Therefore, when the internal components of the valve are damaged or aged and need maintenance and repair, it is necessary to go through cumbersome disassembly steps to remove the components, which is very time-consuming and labor-intensive.

[0006] In order to achieve the above purpose, the present invention provides the following technical solutions:

[0007] A self-sealing valve that is easy to control and maintain, includes a valve body and a cover plate, an inspection port is provided in the middle of the front side of the valve body, the cover plate is arranged to abut against the outside of the inspection port, the surface of the cover plate is distributed in a circular array and fixedly arranged due to a plurality of fixed blocks, a through hole is provided in the middle of the plurality of fixed blocks, a plug rod is slidingly provided inside the through hole, a limit ring is fixedly provided at the edge of the inspection port and at the position corresponding to the plurality of fixed blocks, a plurality of the plug rods are plugged into the corresponding limit rings, a rotating rod is rotatably provided on the front side of the cover plate, a turntable is fixedly sleeved on the rod wall of the rotating rod, a transmission mechanism for driving the movement of the plurality of plug rods is provided on the front side of the turntable, and a limiting mechanism for limiting the rotation of the turntable is provided on the front side of the upper end of the cover plate.

[0008] Preferably, the transmission mechanism includes a plurality of round pins, and a plurality of strip grooves are distributed in a circular array on the surface of the turntable, one end of each of the plurality of insertion rods extends to the front side of the corresponding strip groove, and the plurality of round pins are fixedly arranged on the rear side of one end of the corresponding insertion rod located on the front side of the strip groove, and one end of each of the plurality of round pins extends to the inside of the corresponding strip groove.

[0009] Preferably, the limiting mechanism includes a limiting rod and a limiting tube, a fixed shell is fixedly provided in the middle part of the front side of the upper end of the cover plate, a slider is slidably provided inside the fixed shell, the limiting rod is fixedly sleeved on the middle part of the slider, both ends of the limiting rod extend to the outside of the fixed shell, the limiting tube is fixedly provided on one side of the turntable, and one end of the limiting rod is plugged into the limiting tube.

[0010] Preferably, the longitudinal sections of the insertion rod and the through hole are both rectangular.

[0011] Preferably, a spring is fixedly provided on the upper side of the sliding block, and the other end of the spring is fixedly connected to the inner wall of the fixed shell.

[0012] Preferably, a sealing gasket is provided on one side of the cover plate close to the inspection opening.

[0013] In the above technical solution, the technical effects and advantages provided by the utility model are:

[0014] The utility model can release the limit on the turntable by pulling the limit rod to separate the limit rod from the limit tube, and then rotate the turntable to make the strip groove push the multiple round pins to move, and then make the multiple round pins drive the corresponding plug rods to move, so that the multiple plug rods are separated from the corresponding limit rings, and then the limit between the cover plate and the valve body can be released, and the cover plate can be removed to expose the inspection port, which is convenient for maintenance and repair of the internal parts of the valve body. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments. Obviously, the drawings described below are only some embodiments recorded in the present invention. For ordinary technicians in this field, other drawings can also be obtained based on these drawings.

[0016] Figure 1 This is a schematic diagram of the structure of the self-sealing valve proposed by the utility model that is easy to control and maintain;

[0017] Figure 2 for Figure 1 A schematic diagram of the structure of the partial A in the middle part;

[0018] Figure 3 for Figure 1 A three-dimensional diagram of the connection structure between the middle plug rod and the limiting ring.

[0019] Description of reference numerals:

[0020] 1. Valve body; 2. Cover plate; 3. Rotating rod; 4. Rotating plate; 5. Fixed block; 6. Round pin; 7. Limiting ring; 8. Insert rod; 9. Fixed shell; 10. Slider; 11. Limiting tube; 12. Limiting rod; 13. Spring. DETAILED DESCRIPTION

[0021] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention will be further described in detail below with reference to the accompanying drawings.

[0022] The embodiment of the utility model discloses a self-sealing valve which is convenient for control and maintenance.

[0023] Example 1

[0024] Reference Figure 1-3 , a self-sealing valve that is easy to control and maintain, includes a valve body 1 and a cover plate 2. An inspection port is provided in the middle of the front side of the valve body 1, and the cover plate 2 is arranged against the outside of the inspection port. A sealing gasket is provided on the side of the cover plate 2 close to the inspection port to improve the sealing between the cover plate 2 and the inspection port. The surface of the cover plate 2 is distributed in an annular array and is fixed due to multiple fixing blocks 5. The middle parts of the multiple fixing blocks 5 are provided with through holes, and a plug rod 8 is slidingly provided inside the through hole. The edge of the inspection port and the positions corresponding to the multiple fixing blocks 5 are fixedly provided with limit rings 7, and multiple plug rods 8 are plugged into the corresponding limit rings 7. The longitudinal sections of the plug rod 8 and the through hole are both rectangular, so that the plug rod 8 cannot rotate, that is, it can slide stably. A rotating rod 3 is rotatably provided on the front side of the cover plate 2, and a turntable 4 is fixedly sleeved on the rod wall of the rotating rod 3.

[0025] Example 2

[0026] Reference Figure 1-3 A transmission mechanism for driving the movement of multiple insertion rods 8 is provided on the front side of the turntable 4. The transmission mechanism includes multiple round pins 6. The surface of the turntable 4 is provided with multiple strip grooves distributed in a ring array. One end of the multiple insertion rods 8 extends to the front side of the corresponding strip groove. Multiple round pins 6 are fixed to the rear side of one end of the corresponding insertion rod 8 located on the front side of the strip groove, and one end of the multiple round pins 6 extends to the inside of the corresponding strip groove.

[0027] Example 3

[0028] Reference Figure 1-3 A limiting mechanism for limiting the rotation of the turntable 4 is provided on the front side of the upper end of the cover plate 2. The limiting mechanism includes a limiting rod 12 and a limiting tube 11. A fixed shell 9 is fixedly provided in the middle of the front side of the upper end of the cover plate 2. A slider 10 is slidingly provided inside the fixed shell 9. The limiting rod 12 is fixedly sleeved on the middle part of the slider 10. Both ends of the limiting rod 12 extend to the outside of the fixed shell 9. The limiting tube 11 is fixedly provided on one side of the turntable 4. One end of the limiting rod 12 is plugged into the limiting tube 11. A spring 13 is fixedly provided on the upper side of the slider 10. The other end of the spring 13 is fixedly connected to the inner wall of the fixed shell 9, so that the limiting rod 12 and the limiting tube 11 are more firmly plugged.

[0029] In the present invention, when in use, the limit rod 12 is pulled to separate the limit rod 12 from the limit tube 11, which can release the limit on the turntable 4, and then the turntable 4 is rotated to make the strip grooves push the multiple round pins 6 to move, and then the multiple round pins 6 drive the corresponding plug rods 8 to move, so that the multiple plug rods 8 are separated from the corresponding limit rings 7, and then the limit between the cover plate 2 and the valve body 1 can be released, and the cover plate 2 can be removed to expose the inspection port, which is convenient for maintenance and repair of the internal parts of the valve body 1.

[0030] The above description is merely illustrative of certain exemplary embodiments of the present invention. It goes without saying that those skilled in the art will be able to modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the above drawings and description are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.

Claims

1. A self-sealing valve that is easy to control and maintain, comprising a valve body (1) and a cover plate (2), characterized in that: An inspection port is provided in the middle of the front side of the valve body (1), and the cover plate (2) is arranged against the outside of the inspection port. The surface of the cover plate (2) is fixedly provided with a plurality of fixed blocks (5) distributed in an annular array. A through hole is provided in the middle of each of the plurality of fixed blocks (5), and a plug rod (8) is slidably provided inside the through hole. A limiting ring (7) is fixedly provided at the edge of the inspection port and at positions corresponding to the plurality of fixed blocks (5). The plurality of plug rods (8) are plugged into the corresponding limiting rings (7). A rotating rod (3) is rotatably provided on the front side of the cover plate (2), and a turntable (4) is fixedly sleeved on the rod wall of the rotating rod (3). A transmission mechanism for driving the movement of the plurality of plug rods (8) is provided on the front side of the turntable (4), and a limiting mechanism for limiting the rotation of the turntable (4) is provided on the front side of the upper end of the cover plate (2).

2. The self-sealing valve for easy control and maintenance according to claim 1, characterized in that: The transmission mechanism includes a plurality of round pins (6), a plurality of strip grooves are distributed in a circular array on the surface of the turntable (4), one end of each of the plurality of insertion rods (8) extends to the front side of the corresponding strip groove, and the plurality of round pins (6) are fixedly arranged on the rear side of one end of the corresponding insertion rod (8) located on the front side of the strip groove, and one end of each of the plurality of round pins (6) extends to the inside of the corresponding strip groove.

3. The self-sealing valve for easy control and maintenance according to claim 1, characterized in that: The limiting mechanism comprises a limiting rod (12) and a limiting tube (11); a fixed shell (9) is fixedly provided at the middle of the front side of the upper end of the cover plate (2); a slider (10) is slidably provided inside the fixed shell (9); the limiting rod (12) is fixedly sleeved on the middle of the slider (10); both ends of the limiting rod (12) extend to the outside of the fixed shell (9); the limiting tube (11) is fixedly provided on one side of the turntable (4); and one end of the limiting rod (12) is plugged into the limiting tube (11).

4. The self-sealing valve for easy control and maintenance according to claim 1, characterized in that: The longitudinal sections of the insertion rod (8) and the through hole are both rectangular.

5. The self-sealing valve for easy control and maintenance according to claim 3, characterized in that: A spring (13) is fixedly provided on the upper side of the slider (10), and the other end of the spring (13) is fixedly connected to the inner wall of the fixed shell (9).

6. The self-sealing valve for easy control and maintenance according to claim 1, characterized in that: A sealing gasket is provided on one side of the cover plate (2) close to the inspection opening.

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