Leakage-proof gate valve with elastic sealing function

Abstract

The utility model relates to the technical field of leakproof gate valve sealing, in particular to a leakproof gate valve with an elastic sealing function, which is provided with a sealing mechanism and a movable mechanism, so that in the sealing process of the leakproof gate valve, the leakproof gate valve can be sealed by water pressure in a more saturated manner, and the higher the water pressure is, the stronger the sealing effect is; comprising a main valve mechanism; the sealing mechanism is installed at the right end of the main valve mechanism, the two water guiding mechanisms are installed on the main valve mechanism, the plugging mechanism is installed at the right end of the main valve mechanism, and the movable mechanism is installed in the sealing mechanism; the main valve mechanism is used for guiding flow, the sealing mechanism is used for sealing, the water guiding mechanism is used for guiding flow, the plugging mechanism is used for plugging, and the movable mechanism is used for sealing.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of leakproof gate valve sealing, in particular to a leakproof gate valve with elastic sealing function. BACKGROUND

[0002] The opening and closing part of the gate valve is the gate plate, the movement direction of the gate plate is perpendicular to the fluid direction, and the gate valve can only be fully opened and closed and cannot be adjusted and throttled.

[0003] In the existing leakproof gate valve with elastic sealing function, for example, the leakproof gate valve disclosed in the utility model patent with the application number 201520018277.7, the utility model avoids stress fatigue caused by passive compression, thereby enhancing the sealing performance between the valve cover and the valve body, and through the setting of the bellows, the cavity vacuum degree is monitored and alarmed, the sealing performance between the valve cover and the valve body is guaranteed, and the gate is suitable for various pipelines with high sealing requirements such as coal gas and petroleum.

[0004] However, during the sealing process of the leakproof gate valve, excessive water pressure can cause slow water seepage at the valve body connection, thereby causing the sealing performance to become worse and worse. UTILITY MODEL CONTENTS

[0005] To solve the above technical problems, the utility model provides a leakproof gate valve with elastic sealing function by setting a sealing mechanism and a movable mechanism, so that during the sealing process of the leakproof gate valve, the water pressure itself can be used to achieve a more saturated sealing effect on the gate valve, and the higher the water pressure, the stronger the sealing effect.

[0006] The utility model discloses a leakproof gate valve with elastic sealing function, which comprises a main valve mechanism, a sealing mechanism, two groups of water guide mechanisms, a plugging mechanism and a movable mechanism, the sealing mechanism is installed at the right end of the main valve mechanism, the two groups of water guide mechanisms are installed on the main valve mechanism, the plugging mechanism is installed at the right end of the main valve mechanism, and the movable mechanism is installed in the sealing mechanism.

[0007] The main valve mechanism guides water, the sealing mechanism seals, the water guide mechanism guides water, the plugging mechanism blocks, and the movable mechanism is closed; the main valve mechanism cooperates with the sealing mechanism and the plugging mechanism to form complete water passing, the water flow is normally circulated by water pressure extrusion of the movable mechanism, the water flow enters the sealing mechanism by closing the main valve mechanism and opening the water guide mechanism, the movable mechanism extrudes and seals the plugging mechanism, so that during the sealing process of the leakproof gate valve, the water pressure itself can be used to achieve a more saturated sealing effect on the gate valve, and the higher the water pressure, the stronger the sealing effect.

[0008] Preferably, the main valve mechanism comprises a valve body, a valve core I and a rotating wheel, the valve core I is rotatably installed in the valve body, and an input end of the valve core I extends to an upper side of the valve body, and the rotating wheel is connected with the input end of the valve core I; the valve core I is driven to rotate by rotating the rotating wheel, so that the valve core I is rotated to control the opening and closing of water flow.

[0009] Preferably, the sealing mechanism comprises a pressure chamber and a valve cover, the pressure chamber is installed at a right end of the valve body, and the valve cover is installed at a right end of the pressure chamber; water pressure is stored through the pressure chamber, and water flow is guided through the valve cover.

[0010] Preferably, the water guiding mechanism comprises a water distribution pipe, a valve core II and a wrench, the water distribution pipe is connected with the pressure chamber and the valve body, the valve core II is rotatably installed in the water distribution pipe, and an input end of the valve core II extends to an upper side of the water distribution pipe, and the wrench is connected with the input end of the valve core II; the valve core II is driven to rotate by rotating the wrench, so that the valve core II is rotated to control the direction of water flow.

[0011] Preferably, the plugging mechanism comprises a water outlet cone and a plurality of plugs, the water outlet cone is installed at a right end of the valve body, and the plurality of plugs are installed at a right end of the water outlet cone; water flow is guided through the water outlet cone, and the plugs are used in cooperation with the movable mechanism to plug.

[0012] Preferably, the movable mechanism comprises a movable part, a spring and a water passing cone, the movable part is slidably installed in the pressure chamber through the spring, and the water passing cone is installed on the movable part; the movable part is slid to the right to release water flow by water pressure, and the movable part is supported by the spring while the water pressure in the pressure chamber extrudes the movable part, so that the water passing cone cooperates with the plugs to seal.

[0013] Compared with the prior art, the utility model has the advantages that: the main valve mechanism cooperates with the sealing mechanism and the plugging mechanism to form complete water passing, the movable mechanism is extruded by water pressure to make water flow normally, the main valve mechanism is closed and the water guiding mechanism is opened at the same time, so that water flow enters the sealing mechanism to extrude the movable mechanism, and the movable mechanism extrudes the plugging mechanism to seal, so that the leakage prevention gate valve can be more saturatedly sealed by water pressure itself in the sealing process, and the higher the water pressure, the stronger the sealing effect. BRIEF DESCRIPTION OF DRAWINGS

[0014] Fig. 1 is the isometric structure schematic diagram of the utility model;

[0015] Fig. 2 is the lower view cross section isometric structure schematic diagram of the utility model;

[0016] Fig. 3 is the upper view cross section isometric structure schematic diagram of the utility model;

[0017] Fig. 4 is the front view cross section isometric structure schematic diagram of the utility model;

[0018] Marked in the drawing: 1, main valve mechanism; 11, valve body; 12, valve core one; 13, rotating wheel; 2, sealing mechanism; 21, pressure chamber; 22, valve cover; 3, water guide mechanism; 31, water distribution pipe; 32, valve core two; 33, wrench; 4, plugging mechanism; 41, water outlet cone; 42, plug; 5, movable mechanism; 51, movable part; 52, spring; 53, water passing cone. DETAILED DESCRIPTION

[0019] In order to facilitate the understanding of the present application, the present application will be described more fully below with reference to the accompanying drawings. The present application can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the present application more thorough and comprehensive.

[0020] EMBODIMENT

[0021] As Figs. 1 to 4 shown, a leak-proof gate valve with elastic sealing function, comprising a main valve mechanism 1, further comprising a sealing mechanism 2, two groups of water guide mechanism 3, a plugging mechanism 4 and a movable mechanism 5, the sealing mechanism 2 is installed at the right end of the main valve mechanism 1, the two groups of water guide mechanism 3 are installed on the main valve mechanism 1, the plugging mechanism 4 is installed at the right end of the main valve mechanism 1, and the movable mechanism 5 is installed in the sealing mechanism 2;

[0022] The main valve mechanism 1 guides the flow, the sealing mechanism 2 seals, the water guide mechanism 3 guides the flow, the plugging mechanism 4 blocks, and the movable mechanism 5 seals;

[0023] The main valve mechanism 1 comprises a valve body 11, a valve core one 12 and a rotating wheel 13, the valve core one 12 is rotatably installed in the valve body 11, and the input end of the valve core one 12 extends to the upper side of the valve body 11, and the rotating wheel 13 is connected with the input end of the valve core one 12;

[0024] The sealing mechanism 2 comprises a pressure chamber 21 and a valve cover 22, the pressure chamber 21 is installed at the right end of the valve body 11, and the valve cover 22 is installed at the right end of the pressure chamber 21;

[0025] The water guide mechanism 3 comprises a water distribution pipe 31, a valve core two 32 and a wrench 33, the water distribution pipe 31 communicates the valve body 11 with the pressure chamber 21, the valve core two 32 is rotatably installed in the water distribution pipe 31, and the input end of the valve core two 32 extends to the upper side of the water distribution pipe 31, and the wrench 33 is connected with the input end of the valve core two 32;

[0026] The plugging mechanism 4 comprises a water outlet cone 41 and a plurality of plugs 42, the water outlet cone 41 is installed at the right end of the valve body 11, and the plurality of plugs 42 are installed at the right end of the water outlet cone 41;

[0027] The movable mechanism 5 comprises a movable part 51, a spring 52 and a water passing cone 53, the movable part 51 is slidably installed in the pressure chamber 21 through the spring 52, and the water passing cone 53 is installed on the movable part 51;

[0028] The valve body 11 cooperates with the pressure chamber 21 and the water outlet cone 41 to form complete water passing, the movable part 51 is slid to the right by water pressure to release water flow, the valve core one 12 is driven to rotate by rotating the rotating wheel 13 to control water flow cut-off, the valve core two 32 is driven to rotate by pulling the wrench 33 to control water flow direction so that water flow enters the pressure chamber 21 to extrude the movable part 51, the movable part 51 is supported by the spring 52, and the water passing cone 53 cooperates with the plug 42 to seal, so that the leakage prevention gate valve can be more saturatedly sealed by water pressure itself in the sealing process, and the higher the water pressure is, the stronger the sealing effect is.

[0029] As Figs. 1 to 4 shown, the leakage prevention gate valve with the elastic sealing function is used, the valve body 11 cooperates with the pressure chamber 21 and the water outlet cone 41 to form complete water passing, the movable part 51 is slid to the right by water pressure to release water flow, the valve core one 12 is driven to rotate by rotating the rotating wheel 13 to control water flow cut-off, the valve core two 32 is driven to rotate by pulling the wrench 33 to control water flow direction so that water flow enters the pressure chamber 21 to extrude the movable part 51, and the movable part 51 is supported by the spring 52, and the water passing cone 53 cooperates with the plug 42 to seal.

[0030] The main function realized by the utility model is that: in the sealing working process of the leakage prevention gate valve, the sealing mechanism and the movable mechanism are arranged, so that the leakage prevention gate valve can be more saturatedly sealed by water pressure itself in the sealing process, and the higher the water pressure is, the stronger the sealing effect is.

[0031] The preferred embodiments of the utility model are described above, and it should be noted that, for ordinary skilled persons in the technical field, some improvements and modifications can be made without departing from the technical principles of the utility model, and these improvements and modifications should be regarded as the protection scope of the utility model.

Claims

1. A leak-proof gate valve with elastic sealing function, comprising a main valve mechanism (1); characterized in that: It also includes a sealing mechanism (2), two sets of water guide mechanisms (3), a blocking mechanism (4) and a movable mechanism (5), wherein the sealing mechanism (2) is mounted on the right end of the main valve mechanism (1), the two sets of water guide mechanisms (3) are mounted on the main valve mechanism (1), the blocking mechanism (4) is mounted on the right end of the main valve mechanism (1), and the movable mechanism (5) is mounted in the sealing mechanism (2); The main valve mechanism (1) performs flow diversion, the sealing mechanism (2) performs sealing, the water diversion mechanism (3) performs flow diversion, the blocking mechanism (4) performs blocking, and the movable mechanism (5) performs airtightness.

2. The leak-proof gate valve with elastic sealing function according to claim 1, characterized in that: The main valve mechanism (1) comprises a valve body (11), a valve core (12) and a runner (13), wherein the valve core (12) is rotatably mounted in the valve body (11), and an input end of the valve core (12) extends to the upper side of the valve body (11), and the runner (13) is connected to the input end of the valve core (12).

3. The leak-proof gate valve with elastic sealing function according to claim 2, characterized in that: The sealing mechanism (2) comprises a pressure chamber (21) and a valve cover (22), wherein the pressure chamber (21) is mounted on the right end of the valve body (11), and the valve cover (22) is mounted on the right end of the pressure chamber (21).

4. The leak-proof gate valve with elastic sealing function according to claim 3, characterized in that: The water guide mechanism (3) includes a water distribution pipe (31), a second valve core (32) and a wrench (33). The water distribution pipe (31) connects the valve body (11) with the pressure chamber (21). The second valve core (32) is rotatably installed in the water distribution pipe (31), and the input end of the second valve core (32) extends to the upper side of the water distribution pipe (31). The wrench (33) is connected to the input end of the second valve core (32).

5. The leak-proof gate valve with elastic sealing function according to claim 2, characterized in that: The blocking mechanism (4) comprises a water outlet cone (41) and multiple sets of plugs (42), wherein the water outlet cone (41) is mounted on the right end of the valve body (11), and the multiple sets of plugs (42) are mounted on the right end of the water outlet cone (41).

6. The leak-proof gate valve with elastic sealing function according to claim 3, characterized in that: The movable mechanism (5) comprises a movable part (51), a spring (52) and a water cone (53). The movable part (51) is slidably mounted in the pressure chamber (21) via the spring (52), and the water cone (53) is mounted on the movable part (51).

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