Leak-proof high-temperature and high-pressure electric valve

Abstract

The utility model discloses a leakproof high-temperature and high-pressure electric valve which comprises a valve body. The outer wall of the cut-off mechanism is rotationally connected with the inner wall of the valve body; the inner wall of the leakage-proof mechanism is fixedly connected with the outer wall of the valve body; the leakage-proof mechanism comprises a fixing ring, the top of the fixing ring is fixedly connected with an observation shell through a connecting pipe, the top of the connecting pipe is fixedly connected with the bottom of the observation shell, and the inner wall of the observation shell is slidably connected with a sliding plate. A leaked medium flows into a fixed ring, the medium in the fixed ring flows into an observation shell through a connecting pipe, and a sliding plate in the observation shell slides upwards under the ejection of the medium, so that a worker can see the position of the sliding plate through an observation window to know the leakage amount; the purpose of preventing leakage of the high-temperature and high-pressure electric valve is achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to valve technical field, concretely relates to a high temperature and high pressure electric valve of anti -leakage. BACKGROUND

[0002] Electric valve action moment is bigger than ordinary valve, electric valve switch action speed can adjust, simple structure, easy maintenance, can be used for controlling air, water, steam, various corrosive medium, slurry, oil product, liquid metal and radioactive medium and so on various types fluid flow.

[0003] But in prior art, when conveying water, oil product and so on medium, leak, staff can observe the leakage by observing the characteristics of medium, and when conveying gas and so on medium colorless and odorless medium, traditional equipment cannot show the leaked medium, thereby leading to staff cannot observe in time after leakage, thereby leading to medium continuous leakage, in addition, after leakage, staff needs to go to the main control of pipeline, cut off medium, and then go to the valve for repair, thereby affecting the repair efficiency of staff. UTILITY MODEL CONTENT

[0004] In view of the deficiency of prior art, the utility model solves technical scheme that technical problem thereof adopts: a high temperature and high pressure electric valve of anti -leakage, including,

[0005] Valve body;

[0006] Cutting mechanism, the outer wall of cutting mechanism is rotatably connected with the inner wall of valve body, and the cutting mechanism is used for cutting off medium;

[0007] Leakage prevention mechanism, the inner wall of leakage prevention mechanism is fixedly connected with the outer wall of valve body, and the leakage prevention mechanism is used for showing leaked medium;

[0008] The leakage prevention mechanism includes a fixed ring, the top of the fixed ring is fixedly connected with an observation shell through a connecting pipe, the top of the connecting pipe is fixedly connected with the bottom of the observation shell, the inner wall of the observation shell is slidably connected with a sliding plate, the bottom of the observation shell is slidably connected with a pull bolt, the outer wall of the observation shell is fixedly connected with a connecting frame, and the inner wall of the fixed ring is fixedly connected with a soft pad.

[0009] Preferably, the wall of the fixed ring is provided with a gas permeable groove, which is arranged in a ring shape along the central axis of the fixed ring, the wall of the observation shell is provided with an observation window, and a scale line is fixedly connected to the outer wall of the observation shell, the inner wall of the fixed ring is fixedly connected with the outer wall of the valve body, and the outer wall of the connecting frame is fixedly connected with the outer wall of the fixed ring.

[0010] Preferably, the cutting mechanism comprises a cutting ball, an outer wall of the cutting ball is fixedly connected with a handle, an outer portion of the handle is provided with a fixed seat, a circular groove is formed in a wall of the fixed seat, an inner wall of the fixed seat is slidably connected with a limiting column, an outer wall of the limiting column is fixedly connected with a torsion spring through a fixed block, and the outer wall of the torsion spring is fixedly connected with the outer wall of the fixed block.

[0011] Preferably, an outer wall of the fixed seat is fixedly connected with an outer wall of a fixed ring, an outer wall of the cutting ball is rotatably connected with an inner wall of a valve body, the inner wall of the valve body is rotatably connected with the outer wall of the handle, an inclined surface is formed in the outer wall of the handle, and the outer wall of the handle is in contact with the outer wall of the fixed seat.

[0012] Preferably, a flow guide groove is formed in a wall of the cutting ball, the outer wall of the fixed seat is fixedly connected with a positioning frame, the outer wall of the positioning frame is in contact with the outer wall of the fixed block, and the positioning frame limits the position of the fixed block.

[0013] Preferably, one end of the torsion spring away from the fixed block is fixedly connected with the outer wall of the fixed seat, the inner wall of the handle is slidably connected with the outer wall of the limiting column through a limiting hole, a pull ring is fixedly connected with the outer wall of the limiting column, and the limiting hole is formed in a wall of the handle.

[0014] The utility model discloses beneficial effects as follows:

[0015] 1. The utility model discloses a leakproof mechanism, and the leaked medium flows into the fixed ring, the medium in the fixed ring flows into the observation shell through the connecting pipe, the sliding plate in the observation shell slides up under the impetus of the medium, so that the staff can see the position of the sliding plate through the observation window, thereby knowing the leakage amount, achieving the purpose of reminding the staff to overhaul the leakage amount, and solving the problem that the traditional equipment cannot observe the leakage amount.

[0016] 2. The utility model discloses a cutting mechanism, rotates the cutting ball, so that the medium cannot pass through the flow guide groove, thereby cutting off the circulation of the medium, and the limiting column penetrates the handle, thereby limiting the position of the handle, keeping the position of the cutting ball, achieving the purpose of quickly cutting off the circulation of the medium, and solving the problem that the traditional equipment cannot quickly cut off the medium. ACCURACY OF DRAWINGS

[0017] Figure 1 It is the front view of the utility model;

[0018] Figure 2 It is the sectional view of the utility model;

[0019] Figure 3 It is the structure schematic view of the leakproof mechanism of the utility model;

[0020] Figure 4It is the structure schematic view of the A place of the utility model;

[0021] Figure 5 It is the structure schematic view of the cutting mechanism of the utility model.

[0022] In the figure: 1, valve body; 2, leakage prevention mechanism; 21, fixed ring; 22, connecting pipe; 23, pull bolt; 24, connecting frame; 25, observation shell; 26, sliding plate; 27, observation window; 28, soft pad; 29, air vent groove; 3, cutting mechanism; 31, cutting ball; 32, flow guide groove; 33, rotating handle; 34, limiting hole; 35, fixed seat; 36, positioning frame; 37, limiting column; 38, torsion spring; 39, fixed block. DETAILED DESCRIPTION

[0023] The utility model will be further explained in detail in combination with the drawings and specific embodiment. The embodiment of the utility model is given for example and description, and is not exhaustive or limit the utility model to the disclosed form. Many modifications and changes are obvious to those skilled in the art. The embodiment is selected and described to better illustrate the principle and practical application of the utility model, and enable those skilled in the art to understand the utility model so as to design various embodiments with various modifications suitable for specific use. EMBODIMENT

[0024] Please refer to Figure 1 - Figure 5 The utility model provides a technical scheme: a high temperature and high pressure electric valve of leakage prevention, comprising,

[0025] Valve body 1;

[0026] Cutting mechanism 3, the outer wall of cutting mechanism 3 is rotationally connected with the inner wall of valve body 1;

[0027] Leakage prevention mechanism 2, the inner wall of leakage prevention mechanism 2 is fixedly connected with the outer wall of valve body 1;

[0028] The leakage prevention mechanism 2 comprises a fixed ring 21, the top of the fixed ring 21 is fixedly connected with an observation shell 25 through a connecting pipe 22, the top of the connecting pipe 22 is fixedly connected with the bottom of the observation shell 25, the inner wall of the observation shell 25 is slidably connected with a sliding plate 26, the bottom of the observation shell 25 is slidably connected with a pull bolt 23, the outer wall of the observation shell 25 is fixedly connected with a connecting frame 24, the inner wall of the fixed ring 21 is fixedly connected with a soft pad 28, the soft pad 28 is deformed to increase the contact area between the fixed ring 21 and the outer wall of the pipeline, thereby increasing the sealing performance of the pipeline, the wall of the fixed ring 21 is provided with air permeation grooves 29 which are arranged in a ring shape along the central axis of the fixed ring 21, the wall of the observation shell 25 is provided with an observation window 27, the inner wall of the fixed ring 21 is fixedly connected with the outer wall of the valve body 1, and the outer wall of the connecting frame 24 is fixedly connected with the outer wall of the fixed ring 21.

[0029] The cutting mechanism 3 comprises a cutting ball 31, the outer wall of the cutting ball 31 is fixedly connected with a rotating handle 33, the outer part of the rotating handle 33 is provided with a fixed seat 35, the inner wall of the fixed seat 35 is slidably connected with a limiting column 37, the outer wall of the limiting column 37 is fixedly connected with a torsion spring 38 through a fixed block 39, the torsion spring 38 can rotate the angle of the limiting column 37 in the sliding process, the outer wall of the torsion spring 38 is fixedly connected with the outer wall of the fixed block 39, the outer wall of the fixed seat 35 is fixedly connected with the outer wall of the fixed ring 21, the outer wall of the cutting ball 31 is rotatably connected with the inner wall of the valve body 1, the inner wall of the valve body 1 is rotatably connected with the outer wall of the rotating handle 33, and the outer wall of the rotating handle 33 is in contact with the outer wall of the fixed seat 35.

[0030] The wall of the cutting ball 31 is provided with a flow guide groove 32, the outer wall of the fixed seat 35 is fixedly connected with a positioning frame 36, the outer wall of the positioning frame 36 is in contact with the outer wall of the fixed block 39, one end of the torsion spring 38 away from the fixed block 39 is fixedly connected with the outer wall of the fixed seat 35, the inner wall of the rotating handle 33 is slidably connected with the outer wall of the limiting column 37 through a limiting hole 34, the limiting column 37 is inserted into the rotating handle 33 to limit the position of the rotating handle 33, and the limiting hole 34 is arranged in the wall of the rotating handle 33.

[0031] Working principle:

[0032] In use, first of all, the two ends of the valve body 1 are installed on the pipeline, and during the installation process, it needs to be noted that although the two ends of the valve body 1 are fixed with the leakage prevention mechanism 2, only one side of the valve body 1 is fixed with the cut-off mechanism 3, and the cut-off mechanism 3 must be installed at the liquid inlet end of the pipeline, and the end without the cut-off mechanism 3 needs to be installed at the liquid outlet end of the valve body 1, so that during the conveying process of the medium, the medium first passes through the leakage prevention mechanism 2 at the end with the cut-off mechanism 3, and then passes through the end without the cut-off mechanism 3. During the use of the valve body 1, if leakage occurs at the interface between the valve body 1 and the pipeline, since the interface is located in the leakage prevention mechanism 2, the medium in the pipeline passes through the leakage prevention mechanism 2 into the observation shell 25 at the top, so that the working personnel can observe the amount of medium leakage through the observation shell 25, thereby carrying out maintenance treatment on the connection of the valve body 1. When the medium leakage is observed, the cut-off mechanism 3 can be used to cut off the flow of the medium, thereby reducing the amount of medium leakage.

[0033] When the valve body 1 is installed on the pipeline, the valve body 1 is first inserted on the pipeline, so that the pipeline slides into the leakage prevention mechanism 2. A soft pad 28 is arranged at the interface between the leakage prevention mechanism 2 and the pipeline. The soft pad 28 is deformed by being extruded by the pipeline, thereby increasing the contact area between the soft pad 28 and the pipeline and the leakage prevention mechanism 2, and further increasing the sealing performance of the pipeline interface. When leakage occurs at the interface, the medium in the pipeline flows into the fixed ring 21 through the air passage 29. Under the condition of continuous medium leakage, the medium in the fixed ring 21 flows into the observation shell 25 through the connecting pipe 22. The observation shell 25 is fixed on the fixed ring 21 through the connecting frame 24, and the position of the observation shell 25 is fixed under the support of the connecting frame 24. A sliding plate 26 is arranged in the observation shell 25, so that as the medium flows into the observation shell 25, the sliding plate 26 slides upward under the push of the medium. The working personnel can observe the position of the sliding plate 26 through the observation window 27 on the observation shell 25. The higher the height position of the sliding plate 26 in the observation shell 25, the greater the amount of leakage.

[0034] When the working personnel observes the leakage, the cut-off mechanism 3 can be used to cut off the medium in the valve body 1, so that the medium cannot flow. During the use of the cut-off mechanism 3, only the vertical handle 33 needs to be rotated in the direction of the fixed seat 35, so that the handle 33 is rotated into the fixed seat 35. The handle 33 is rotated synchronously to rotate the cut-off ball 31, so that the flow guide groove 32 in the cut-off ball 31 is rotated to the valve wall of the valve body 1, thereby blocking the medium passing through the cut-off ball 31, and cutting off the flow of the medium.

[0035] When the knob 33 rotates to the fixed seat 35, the knob 33 first contacts the limiting column 37, and the limiting column 37 and the knob 33 are both provided with inclined surfaces, so that the limiting column 37 first slides away from the knob 33 under the mutual sliding of the inclined surfaces, and in the process of sliding, the fixed block 39 on the limiting column 37 is separated from the positioning frame 36, then under the elastic action of the torsion spring 38, the limiting column 37 first rotates an angle and then slides in the process of sliding, and under the elastic action of the torsion spring 38, the limiting column 37 is pulled to the direction of the knob 33, so that the limiting column 37 is inserted into the knob 33 through the limiting hole 34, and the position of the knob 33 is fixed under the fixation of the limiting column 37, so as to prevent the cutting ball 31 from being offset under the impact of the medium.

[0036] After the maintenance work is completed, the limiting column 37 is only pulled away from the knob 33, so that the limiting column 37 exits the knob 33, and in the process of pulling the knob 33, the knob 33 needs to be rotated, so that the torsion spring 38 has a torsion force for the next cutting work, and then the fixed block 39 is clamped on the positioning frame 36, so that the positioning frame 36 fixes the fixed block 39, after the knob 33 is fixed without the limiting column 37, the horizontal knob 33 is rotated upward, so that the knob 33 is in a vertical state, and the guide groove 32 in the cutting ball 31 is rotated to the center of the valve wall again, so that the medium can flow into the valve body 1 through the guide groove 32, and before resetting the cutting mechanism 3, the pull bolt 23 at the bottom of the observation shell 25 needs to be pulled, so that the medium in the observation shell 25 flows out of the outside through the opening at the pull bolt 23, so as to reset the sliding plate 26 to the bottom of the observation shell 25.

[0037] Obviously, the described embodiments are only part of the embodiments of the present application, not all. Based on the embodiments in the present application, all other embodiments obtained by ordinary skilled in the art and related fields without creative labor should belong to the scope of protection of the present application. The structures, devices and operation methods not specifically described and explained in the present application, such as without special description and limitation, are implemented according to the conventional means in the art.

Claims

1. A leak-proof high-temperature and high-pressure electric valve, comprising: Valve body (1); The cutting mechanism (3) is rotatably connected to the inner wall of the valve body (1); Leakage prevention mechanism (2), the inner wall of the leakage prevention mechanism (2) is fixedly connected to the outer wall of the valve body (1), and the leakage prevention mechanism (2) is symmetrically arranged at both ends of the valve body (1); Its features are: The leak-proof mechanism (2) includes a fixing ring (21), the top of which is fixedly connected to an observation shell (25) via a connecting pipe (22), and the top of the connecting pipe (22) is fixedly connected to the bottom of the observation shell (25). A sliding plate (26) is slidably connected to the inner wall of the observation shell (25), a pull bolt (23) is slidably connected to the bottom of the observation shell (25), a connecting frame (24) is fixedly connected to the outer wall of the observation shell (25), and a soft pad (28) is fixedly connected to the inner wall of the fixing ring (21).

2. The leak-proof high-temperature and high-pressure electric valve according to claim 1, characterized in that: The wall of the fixed ring (21) is provided with a ventilation groove (29) and is arranged in a ring along the central axis of the fixed ring (21). The wall of the observation shell (25) is provided with an observation window (27). The inner wall of the fixed ring (21) is fixedly connected to the outer wall of the valve body (1). The outer wall of the connecting frame (24) is fixedly connected to the outer wall of the fixed ring (21).

3. The leak-proof high-temperature and high-pressure electric valve according to claim 1, characterized in that: The cutting mechanism (3) includes a cutting ball (31), a handle (33) is fixedly connected to the outer wall of the cutting ball (31), a fixed seat (35) is provided on the outside of the handle (33), a limit post (37) is slidably connected to the inner wall of the fixed seat (35), and a torsion spring (38) is fixedly connected to the outer wall of the limit post (37) through a fixed block (39), and the outer wall of the torsion spring (38) is fixedly connected to the outer wall of the fixed block (39).

4. The leak-proof high-temperature and high-pressure electric valve according to claim 3, characterized in that: The outer wall of the fixed seat (35) is fixedly connected to the outer wall of the fixed ring (21), the outer wall of the cutting ball (31) is rotatably connected to the inner wall of the valve body (1), the inner wall of the valve body (1) is rotatably connected to the outer wall of the handle (33), and the outer wall of the handle (33) is in contact with the outer wall of the fixed seat (35).

5. A leak-proof high-temperature and high-pressure electric valve according to claim 4, characterized in that: A guide groove (32) is provided in the wall of the cutting ball (31), and a positioning frame (36) is fixedly connected to the outer wall of the fixed seat (35). The outer wall of the positioning frame (36) is in contact with the outer wall of the fixed block (39).

6. A leak-proof high-temperature and high-pressure electric valve according to claim 3, characterized in that: The end of the torsion spring (38) away from the fixed block (39) is fixedly connected to the outer wall of the fixed seat (35). The inner wall of the throttle (33) is slidably connected to the outer wall of the limiting post (37) through the limiting hole (34), and the limiting hole (34) is opened in the wall of the throttle (33).

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