Low-load self-cleaning flat plate sliding plate valve

Abstract

The low-load self-cleaning flat plate sliding plate valve comprises a shell, connecting pipes symmetrically penetrate through the outer side face of the shell, a connecting box is movably connected to the upper surface of the shell, a supporting rod is fixedly connected to the outer surface of the connecting box, and a fixing block is fixedly connected to the top end of the supporting rod; a first threaded ring is fixedly connected to the side, away from the supporting rod, of the fixing block, a sealing mechanism is arranged at an inner cavity of the first threaded ring and comprises a first threaded rod and a sliding plate, the first threaded rod is in threaded connection to the inner cavity of the first threaded ring, and the sliding plate is slidably connected to an inner cavity of the connecting box; the lower surface of the sliding plate is fixedly connected with a blocking plate, and the blocking plate is located in the inner cavity of the shell. The low-load self-cleaning flat plate sliding plate valve has the effect of cleaning dirt attached to the outer surface of the blocking plate.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of flat plate slide valve, especially to a low load self -cleaning flat plate slide valve. BACKGROUND

[0002] Flat plate slide valve is one of the key equipment in the field of industrial fluid control. Its main structure includes valve body, flat plate slide and driving device. The valve body is provided with accurately designed flow channel, and the flat plate slide is closely attached to the inside of the valve body, and linear sliding of the slide in the valve body can be realized through the driving device. In work, different positions of the slide correspond to different flow channel conduction states, when the slide is completely opened, the fluid can pass through the valve body smoothly without obstruction, and with the slide gradually closing, the flow channel area gradually reduces, thereby accurately controlling the flow of the fluid until completely cutting off.

[0003] The utility model discloses a flat plate slide valve, including: valve body, valve rod and valve seat, the valve body includes left valve body and right valve body, left valve body is connected with right valve body, and the connecting place of left valve body and right valve body is equipped with valve hole, and the valve hole is equipped with slide plate;The slide plate includes sliding slide plate and fixed slide plate, the upper end of sliding slide plate is connected with valve rod, and sliding slide plate can slide up and down in valve hole along with valve rod, and sliding slide plate includes left side and right side, and fixed slide plate includes left side and right side, and the right side of sliding slide plate is connected with the left side of fixed slide plate, and the right side of fixed slide plate is fixed on right valve body;Valve seat is located between left valve body and right valve body, and is connected with the lower end surface of fixed slide plate, one side of valve seat is connected with left valve body, and the side of valve seat away from left valve body is connected with right valve body;The side of left valve body close to sliding slide plate is also equipped with spring system. The flat plate slide valve made by the above technical scheme can accurately, quickly and effectively control liquid, steam and gas medium.

[0004] The above-mentioned application still has the following deficiencies:

[0005] After long time work, the outer surface of the blocking plate will be attached with dirt, which will affect the sealing. UTILITY MODEL CONTENTS

[0006] The utility model discloses a low load self -cleaning flat plate slide valve, aims at solving the technical problem that the outer surface of the blocking plate will be attached with dirt after long time work, which will affect the sealing.

[0007] In order to realize the above-mentioned purpose, the utility model has adopted the following technical scheme:

[0008] The utility model provides a low load self -cleaning flat slide valve, including the shell, the outer side of shell is symmetrically penetrated with the connecting pipe, the upper surface of shell is connected with the connecting box, the outer surface of connecting box is fixedly connected with the support rod, the top of support rod is fixedly connected with the fixed block, the side of fixed block away from support rod is fixedly connected with the first threaded ring, the inner chamber of first threaded ring is provided with the sealing mechanism, the sealing mechanism includes the first threaded rod and the sliding plate, the inner chamber of first threaded ring is threadedly connected with the first threaded rod, the inner chamber of connecting box is connected with the sliding plate, the lower surface of sliding plate is fixedly connected with the stop board, the stop board is located in the inner chamber of shell.

[0009] Through setting up connecting pipe, water flow in the inner chamber of shell can be circulated, through setting up first threaded ring, the sealing mechanism can be limited, through setting up sealing mechanism, the shell can be closed when working, so that water flow cannot be connected in the inner chamber of shell, and the dirt attached to the outer surface of stop board can be removed when the stop board moves, through setting up first threaded rod, the inner chamber of first threaded ring can be moved, and vertical up and down movement effect can be generated when rotating.

[0010] In a preferred scheme, the inner wall of the shell is fixedly connected with a sealing strip, the inner ring of the sealing strip is fixedly connected with a rubber pad, the rubber pad is in extrusion fit with the stop board, the sealing ring is fixedly connected with the sealing ring at one end of the inner chamber of the shell, and the sealing ring is in friction fit with the stop board.

[0011] Through the sealing strip and the rubber pad, the inner chamber of the shell can be sealed when the stop board is in the inner chamber of the shell, and through the sealing ring, the sealing ring can cooperate with the stop board to seal the inner chamber of the shell.

[0012] In a preferred scheme, the outer side of the shell is fixedly connected with a second threaded ring, the outer side of the connecting box is fixedly connected with a limiting ring, the inner chamber of the limiting ring is rotatably connected with a second threaded rod, the second threaded rod is threadedly connected in the inner chamber of the second threaded ring, the top of the first threaded rod is fixedly connected with a handle, the bottom of the first threaded rod is fixedly connected with a rotating rod, the outer surface of the rotating rod is sleeved with a limiting tube, the limiting tube is fixedly connected to the upper surface of the sliding plate, the inner wall of the connecting box is fixedly connected with a scraper, and the scraper is in friction fit with the stop board.

[0013] By setting the limiting ring, the second threaded rod can be limited, so that the second threaded rod can stably rotate in the inner cavity of the limiting ring and cooperate with the second threaded ring, thereby enabling the connecting box to be connected together with the shell. By setting the handle, the rotation of the first threaded rod can be conveniently operated by the operator. By setting the limiting tube, the rotating rod can be limited to stably rotate in the inner cavity of the limiting tube. By setting the scraper, the scraper can scrape off the dirt on the outer surface of the blocking plate when the blocking plate moves up and down.

[0014] As can be seen from the above, the low-load self-cleaning flat slide valve has the following improvements and advantages compared with the prior art.

[0015] Firstly, by setting the connecting pipe, the water flow in the inner cavity of the shell can be circulated. By setting the first threaded ring, the closing mechanism can be limited.

[0016] Secondly, by setting the closing mechanism, the shell can be closed during work, so that the water flow cannot be communicated in the inner cavity of the shell, and the dirt attached to the outer surface of the blocking plate can be removed when the blocking plate moves. By setting the first threaded rod, the first threaded ring can move in the inner cavity and vertically move up and down when rotating. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 A structure schematic view of the low-load self-cleaning flat slide valve is provided.

[0018] Figure 2 A structure side view of the low-load self-cleaning flat slide valve is provided.

[0019] Figure 3 A partial sectional view of the low-load self-cleaning flat slide valve is provided.

[0020] Figure 4 A closing mechanism schematic view of the low-load self-cleaning flat slide valve is provided.

[0021] Figure 5 A closing mechanism partial schematic view of the low-load self-cleaning flat slide valve is provided.

[0022] In the drawings: 1, shell; 2, connecting pipe; 3, connecting box; 4, support rod; 5, fixed block; 6, first threaded ring; 7, closing mechanism; 8, second threaded ring; 9, sealing ring; 10, sealing strip; 11, rubber pad; 71, first threaded rod; 72, handle; 73, rotating rod; 74, limiting tube; 75, sliding plate; 76, limiting ring; 77, second threaded rod; 78, blocking plate; 79, scraper. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0024] In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, they cannot be understood as limitations on the present invention.

[0025] The low-load self-cleaning flat plate slide valve disclosed by the utility model is mainly used in the scenario where dirt adheres to the outer surface of the blockage plate after long-term work, thereby affecting the sealing.

[0026] Reference Figure 1 - Figure 4 , a low-load self-cleaning flat slide valve, comprising a shell 1, the outer side of the shell 1 is symmetrically penetrated by a connecting pipe 2, the upper surface of the shell 1 is movably connected to a connecting box 3, the outer surface of the connecting box 3 is fixedly connected to a support rod 4, the top of the support rod 4 is fixedly connected to a fixing block 5, the side of the fixing block 5 away from the support rod 4 is fixedly connected to a first threaded ring 6, the inner cavity of the first threaded ring 6 is provided with a closing mechanism 7, the closing mechanism 7 comprises a first threaded rod 71 and a sliding plate 75, the first threaded rod 71 is threadedly connected to the inner cavity of the first threaded ring 6, the sliding plate 75 is slidably connected to the inner cavity of the connecting box 3, A blocking plate 78 is fixedly connected to the lower surface of the sliding plate 75. The blocking plate 78 is located in the inner cavity of the shell 1. By setting the connecting pipe 2, the water flow in the inner cavity of the shell 1 can be circulated. By setting the first threaded ring 6, the closing mechanism 7 can be limited. By setting the closing mechanism 7, the shell 1 can be closed during operation, so that the water flow will not be connected in the inner cavity of the shell 1, and the dirt attached to the outer surface of the blocking plate 78 can be cleared when the blocking plate 78 moves. By setting the first threaded rod 71, it can move in the inner cavity of the first threaded ring 6 and produce a vertical up and down movement effect when rotating.

[0027] Reference Figure 1 、 Figure 2 and Figure 3In a preferred implementation form, the inner wall of the shell 1 is fixedly connected with a sealing strip 10, the inner ring of the sealing strip 10 is fixedly connected with a rubber pad 11, the rubber pad 11 is in abutting fit with the plug plate 78, the sealing strip 10 and the rubber pad 11 are arranged to enable the shell 1 to be in a sealed state when the plug plate 78 is located in the inner cavity of the shell 1, the one end of the connecting pipe 2 located in the inner cavity of the shell 1 is fixedly connected with a sealing ring 9, the sealing ring 9 is in friction fit with the plug plate 78, and the sealing ring 9 is arranged to cooperate with the plug plate 78 to enable the inner cavity of the shell 1 to be sealed.

[0028] Referring to Figure 1 , Figure 4 and Figure 5 In a preferred implementation form, the outer side of the shell 1 is fixedly connected with a second threaded ring 8 in a symmetrical manner, the outer side of the connecting box 3 is fixedly connected with a limiting ring 76 in a symmetrical manner, the inner cavity of the limiting ring 76 is rotatably connected with a second threaded rod 77, the second threaded rod 77 is threadedly connected at the inner cavity of the second threaded ring 8, the limiting ring 76 is arranged to limit the second threaded rod 77, so that the second threaded rod 77 can stably rotate in the inner cavity of the limiting ring 76 and cooperate with the second threaded ring 8, thereby enabling the connecting box 3 to be connected with the shell 1, the top end of the first threaded rod 71 is fixedly connected with a handle 72, the handle 72 is arranged to facilitate an operator to rotate the first threaded rod 71, the bottom end of the first threaded rod 71 is fixedly connected with a rotating rod 73, the outer surface of the rotating rod 73 is sleeved with a limiting tube 74, the limiting tube 74 is fixedly connected to the upper surface of a sliding plate 75, the limiting tube 74 is arranged to limit the rotating rod 73, so that the rotating rod 73 can stably rotate in the inner cavity of the limiting tube 74, the inner wall of the connecting box 3 is fixedly connected with a scraper 79, the scraper 79 is in friction fit with the plug plate 78, and the scraper 79 is arranged to scrape off the dirt on the outer surface of the plug plate 78 when the plug plate 78 moves up and down.

[0029] Working principle: in use, an operator connects the connecting pipe 2 with a water pipe, when it is needed to close the water pipe, the operator rotates the first threaded rod 71, so that the first threaded rod 71 rotates in the inner cavity of the first threaded ring 6 and moves downward, thereby causing the sliding plate 75 to move downward in the inner cavity of the connecting box 3, and finally causing the plug plate 78 to contact the rubber pad 11, so that the shell 1 is blocked, and the scraper 79 cleans the dirt on the outer surface of the plug plate 78 when the plug plate 78 moves.

[0030] The above merely describes a preferred embodiment of the present application, and the protection scope of the present application is not limited thereto. The replacement can be a replacement of part of the structure, device, method step, or a complete technical solution. According to the technical solution and the inventive concept of the present application, equivalent replacement or change should be covered in the protection scope of the present application.

Claims

1. A low-load self-cleaning flat slide valve, comprising a housing (1), wherein a connecting pipe (2) is symmetrically passed through the outer side of the housing (1), characterized in that: The upper surface of the shell (1) is movably connected to a connection box (3), the outer surface of the connection box (3) is fixedly connected to a support rod (4), the top end of the support rod (4) is fixedly connected to a fixed block (5), the side of the fixed block (5) away from the support rod (4) is fixedly connected to a first threaded ring (6), the inner cavity of the first threaded ring (6) is provided with a closing mechanism (7), the closing mechanism (7) comprises a first threaded rod (71) and a sliding plate (75), the first threaded rod (71) is threadedly connected to the inner cavity of the first threaded ring (6), the sliding plate (75) is slidably connected to the inner cavity of the connection box (3), the lower surface of the sliding plate (75) is fixedly connected to a blocking plate (78), and the blocking plate (78) is located in the inner cavity of the shell (1).

2. A low-load self-cleaning flat slide valve according to claim 1, characterized in that: A sealing strip (10) is fixedly connected to the inner wall of the housing (1), a rubber pad (11) is fixedly connected to the inner ring of the sealing strip (10), and the rubber pad (11) is extruded and adapted to the blocking plate (78).

3. A low-load self-cleaning flat slide valve according to claim 1, characterized in that: One end of the connecting pipe (2) located in the inner cavity of the housing (1) is fixedly connected to a sealing ring (9), and the sealing ring (9) is frictionally matched with the blocking plate (78).

4. A low-load self-cleaning flat slide valve according to claim 1, characterized in that: The outer side surface of the housing (1) is symmetrically fixedly connected to a second threaded ring (8), the outer side surface of the connection box (3) is symmetrically fixedly connected to a limiting ring (76), the inner cavity of the limiting ring (76) is rotatably connected to a second threaded rod (77), and the second threaded rod (77) is threadedly connected to the inner cavity of the second threaded ring (8).

5. The low-load self-cleaning flat slide valve according to claim 1, characterized in that: The top end of the first threaded rod (71) is fixedly connected to a handle (72).

6. The low-load self-cleaning flat plate slide valve according to claim 1, characterized in that: The bottom end of the first threaded rod (71) is fixedly connected to a rotating rod (73), the outer surface of the rotating rod (73) is sleeved with a limiting tube (74), and the limiting tube (74) is fixedly connected to the upper surface of the sliding plate (75).

7. The low-load self-cleaning flat slide valve according to claim 1, characterized in that: A scraper (79) is fixedly connected to the inner wall of the connection box (3), and the scraper (79) is frictionally matched with the blocking plate (78).

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