An antibiotic gate valve

Abstract

The present invention discloses an antibiotic gate valve, comprising a valve body, a gate valve plate and a gate valve rod, wherein a medium inflow channel and a medium outflow channel are respectively arranged on both sides of the valve body, a valve is arranged between the medium inflow channel and the medium outflow channel, the gate valve rod is fixedly connected to the gate valve plate by a rod nut, the gate valve plate is adapted to the valve, and a guide plate is arranged in the valve body; a cleaning liquid channel is embedded in the center of the gate valve rod, and the cleaning liquid channel is communicated with a plurality of cleaning ports axially distributed on the gate valve rod; the present invention can clean the movable channel without disassembling the gate valve by means of the cleaning liquid channel and the cleaning port arranged on the gate valve rod, thereby saving time and effort and being beneficial to maintaining the sanitary condition in the gate valve; and the guide plate, the arc-shaped guide block and the arc-shaped guide groove are arranged to have a guiding function, so that the gate valve plate can accurately cover the valve to seal the medium inflow channel and the medium outflow channel.

Description

Technical Field

[0001] The invention relates to the technical field of gate valves, in particular to an antibiotic gate valve. Background Art

[0002] The gate valve is the most common on-off valve. The gate of the gate valve moves linearly with the valve stem. It is also called a rising stem gate valve. The gate is used to connect or cut off the medium in the pipeline. The traditional gate valve can only clean the medium inflow channel and the medium outflow channel, but cannot clean the moving channel where the gate and valve stem move up and down. When it is necessary to clean the moving channel, the gate valve must be disassembled, which is troublesome, time-consuming and labor-intensive. Summary of the invention

[0003] The object of the present invention is to provide an antibiotic gate valve to solve the problems raised in the above background technology.

[0004] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: an antibiotic gate valve, comprising a valve body, a gate valve plate, a gate valve stem, an upper cover, a lower cover and a hand wheel, a medium inflow channel and a medium outflow channel are respectively arranged on both sides of the valve body, a valve is arranged between the medium inflow channel and the medium outflow channel, a moving channel is distributed above the valve, the gate valve stem passes through the upper cover, the lower cover and the moving channel in sequence and is fixedly connected to the gate valve plate through a rod nut, the gate valve plate is adapted to the valve, the valve body is provided with a guide plate at the valve, one end of the guide plate is fixedly mounted on the valve body, and the other end is a free end extending into the valve, and the guide plate is a guide plate arranged to be inclined from top to bottom and inward;

[0005] A cleaning liquid channel is embedded in the center of the gate valve stem, the cleaning liquid channel is connected to a plurality of cleaning ports axially distributed on the gate valve stem, and is connected to the moving channel through the plurality of cleaning ports;

[0006] A convex block is arranged on the upper part of the gate valve plate, and a ball bearing is installed at the connection between the convex block and the guide plate;

[0007] An arc-shaped guide block is installed at the bottom of the valve, and the arc-shaped guide block is movably connected to the arc-shaped guide groove embedded in the bottom of the gate valve plate;

[0008] The gate valve stem and the hand wheel are welded to each other, the cleaning fluid channel passes through the center of the gate valve stem and extends to the middle of the hand wheel, and a No. 1 cleaning plug adapted to the cleaning fluid channel is installed in the middle of the hand wheel;

[0009] The upper cover and the lower cover are fixedly connected as one body, the lower cover is installed on the valve body by means of positioning bolts, and sealing rings are arranged between the upper cover, the lower cover and the gate valve stem;

[0010] A No. 2 cleaning plug and a No. 3 cleaning plug are both provided on the medium inflow channel and the medium outflow channel.

[0011] Compared with the prior art, the beneficial effects of the present invention are as follows: the antibiotic gate valve of the present invention can clean the movable channel without disassembling the gate valve by means of the cleaning liquid channel and the cleaning port provided on the gate valve stem, which saves time and effort and is conducive to maintaining the sanitary condition inside the gate valve;

[0012] The guide plate, arc-shaped guide block and arc-shaped guide groove are provided to guide the gate valve plate, so that the gate valve plate can accurately cover the valve to seal the medium inflow channel and the medium outflow channel. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a structural schematic diagram of the present invention;

[0014] Figure 2 It is a schematic diagram of the side structure of the present invention;

[0015] Figure 3 It is a schematic diagram of the enlarged structure of b of the present invention;

[0016] Figure 4 It is a schematic diagram of the enlarged structure of d of the present invention.

[0017] In the figure: 1. valve body; 2. gate valve plate; 3. gate valve stem; 4. stem nut; 5. positioning bolt; 6. sealing ring; 7. upper cover; 8. lower cover; 9. hand wheel; 10. No. 1 cleaning plug; 11. No. 2 cleaning plug; 12. No. 3 cleaning plug; 13. medium inflow channel; 14. medium outflow channel; 15. valve; 16. moving channel; 17. guide plate; 18. cleaning liquid channel; 19. cleaning port; 20. bump; 21. arc guide block; 22. arc guide groove. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0019] In the description of the present invention, it should be noted that the terms "vertical", "up", "down", "horizontal", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are 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 cannot be understood as a limitation on the present invention.

[0020] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" should be understood in a broad sense, for example, it 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 a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0021] See also Figure 1-4 The present invention provides a technical solution: an antibiotic gate valve, comprising a valve body 1, a gate valve plate 2, a gate valve rod 3, an upper cover 7, a lower cover 8 and a hand wheel 9, a medium inflow channel 13 and a medium outflow channel 14 are respectively arranged on both sides of the valve body 1, a valve 15 is arranged between the medium inflow channel 13 and the medium outflow channel 14, a moving channel 16 is distributed above the valve 15, the gate valve rod 3 passes through the upper cover 7, the lower cover 8 and the moving channel 16 in sequence and is fixedly connected to the gate valve plate 2 through a rod nut 4, the gate valve plate 2 is adapted to the valve 15, the valve body 1 is provided with a guide plate 17 at the valve 15, one end of the guide plate 17 is fixedly mounted on the valve body 1, and the other end is a free end extending into the valve 15, and the guide plate 17 is a guide plate 17 arranged in an inwardly inclined manner from top to bottom;

[0022] A cleaning liquid channel 18 is embedded in the center of the gate valve stem 3, and the cleaning liquid channel 18 is connected to a plurality of cleaning ports 19 axially distributed on the gate valve stem 3, and is connected to the moving channel 16 through the plurality of cleaning ports 19, so that the cleaning liquid can be introduced into the moving channel 16 to clean the moving channel 16, the gate valve stem 3, and the gate valve plate 2. The cleaning liquid after cleaning flows along the moving channel 16 into the medium inflow channel 13 and the medium outflow channel 14, and then the sewage is discharged through the No. 2 cleaning plug 11 and the No. 3 cleaning plug 12 provided on the medium inflow channel 13 and the medium outflow channel 14;

[0023] A protrusion 20 is provided on the upper part of the gate valve plate 2, and a ball bearing is installed at the connection between the protrusion 20 and the guide plate 17, which can reduce the friction between the gate valve plate 2 and the guide plate 17, so that the gate valve plate 2 can move up and down more smoothly;

[0024] An arc-shaped guide block 21 is installed at the bottom of the valve 15, and the arc-shaped guide block 21 is movably connected to the arc-shaped guide groove 22 embedded in the bottom of the gate valve plate 2, and has a guiding function;

[0025] The gate valve stem 3 and the hand wheel 9 are welded to each other, and the cleaning liquid channel 18 passes through the center of the gate valve stem 3 and extends to the middle of the hand wheel 9. A No. 1 cleaning plug 10 adapted to the cleaning liquid channel 18 is installed in the middle of the hand wheel 9;

[0026] The upper cover 7 and the lower cover 8 are fixedly connected as a whole, the lower cover 8 is installed on the valve body 1 through the positioning bolts 5, and a sealing ring 6 is provided between the upper cover 7 and the lower cover 8 and the gate valve stem 3;

[0027] A second cleaning plug 11 and a third cleaning plug 12 are provided on the medium inflow channel 13 and the medium outflow channel 14 .

[0028] Working principle:

[0029] When cleaning the antibiotic gate valve, the operator introduces the cleaning liquid into the medium inlet channel 13, the medium outlet channel 14, the valve 15 and the moving channel 16. When the cleaning liquid passes through the cleaning liquid channel 18, the cleaning liquid can flow into the moving channel 16 along the cleaning port 19 to clean the moving channel 16 and the gate valve stem 3 and the gate valve plate 2. The cleaning liquid after cleaning flows into the medium inlet channel 13 and the medium outlet channel 14 along the moving channel 16, and together with the cleaning liquid in the medium inlet channel 13 and the medium outlet channel 14, the sewage is discharged through the No. 2 cleaning plug 11 and the No. 3 cleaning plug 12.

[0030] It is worth noting that the entire device is controlled by a main control button. Since the device matched with the control button is a common device and belongs to the existing common technology, its electrical connection relationship and specific circuit structure will not be described in detail here.

[0031] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An antibiotic gate valve, characterized in that: The valve body (1) comprises a valve body (1), a gate valve plate (2), a gate valve stem (3), an upper cover (7), a lower cover (8) and a hand wheel (9), wherein a medium inflow channel (13) and a medium outflow channel (14) are respectively arranged on both sides of the valve body (1), a valve (15) is arranged between the medium inflow channel (13) and the medium outflow channel (14), a moving channel (16) is arranged above the valve (15), the gate valve stem (3) passes through the upper cover (7), the lower cover (8) and the moving channel (16) in sequence, and is fixedly connected to the gate valve plate (2) through a stem nut (4), the gate valve plate (2) and the valve (15) are matched, and a guide plate (17) is arranged at the valve (15) of the valve body (1), one end of the guide plate (17) is fixedly mounted on the valve body (1), and the other end is a free end extending into the valve (15), and the guide plate (17) is arranged to be inclined from top to bottom and inward; A cleaning liquid channel (18) is embedded in the center of the gate valve stem (3), the cleaning liquid channel (18) is connected to a plurality of cleaning ports (19) axially distributed on the gate valve stem (3), and is connected to the moving channel (16) through the plurality of cleaning ports (19); A protrusion (20) is provided on the upper part of the gate valve plate (2), and a ball bearing is installed at the connection between the protrusion (20) and the guide plate (17); An arc-shaped guide block (21) is installed at the bottom of the valve (15), and the arc-shaped guide block (21) is movably connected to an arc-shaped guide groove (22) embedded in the bottom of the gate valve plate (2); The gate valve stem (3) and the hand wheel (9) are welded to each other, a cleaning liquid passage (18) passes through the center of the gate valve stem (3) and extends to the middle of the hand wheel (9), and a No. 1 cleaning plug (10) adapted to the cleaning liquid passage (18) is installed in the middle of the hand wheel (9); The upper cover (7) and the lower cover (8) are fixedly connected as one body, the lower cover (8) is mounted on the valve body (1) via positioning bolts (5), and sealing rings (6) are provided between the upper cover (7) and the lower cover (8) and the gate valve stem (3); A second cleaning plug (11) and a third cleaning plug (12) are provided on the medium inflow channel (13) and the medium outflow channel (14).

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