Gate valve capable of being quickly opened and closed

Abstract

The gate valve capable of being opened and closed rapidly comprises a valve body, the top of the valve body is fixedly connected with a shell, an inner cavity of the shell is provided with a groove, an inner cavity of the groove is movably connected with a valve plate, an inner cavity of the valve plate is provided with a threaded groove, and the top of the inner cavity of the groove is rotationally connected with a valve rod through a bearing. The bottom of the valve rod is fixedly connected with a threaded rod, the threaded rod is in threaded connection with an inner cavity of the threaded groove, the upper portion of the outer surface of the valve rod is fixedly connected with a driven gear, the right side of the shell is fixedly connected with a motor, and an output shaft of the motor is fixedly connected with a driving gear. Through mutual cooperation of the valve body, the motor, the movable sleeve, the guide groove, the guide block, the valve plate, the threaded groove, the threaded rod, the annular sliding plate, the annular sliding groove, the driven gear, the valve rod and the driving gear, the problems that an existing gate valve is manually opened and closed, the opening and closing speed is low, and use of people is affected are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of gate valves, in particular to a gate valve which can be opened and closed quickly. Background Art

[0002] The gate valve is a gate plate of an opening and closing part. The movement direction of the gate plate is perpendicular to the direction of the fluid. The gate valve can only be fully opened and fully closed, and cannot be adjusted or throttled. The gate valve is sealed by the contact between the valve seat and the gate plate. Usually, the sealing surface will be welded with metal materials to increase wear resistance, such as 1Cr13, STL6, stainless steel, etc. The gate plate has a rigid gate plate and an elastic gate plate. According to the difference in the gate plate, the gate valve is divided into a rigid gate valve and an elastic gate valve. However, the current gate valves are manually opened and closed, resulting in a slow opening and closing speed, which affects people's use. For this reason, we propose a gate valve that can be opened and closed quickly. Utility Model Content

[0003] The utility model aims to provide a gate valve which can be opened and closed quickly, has the advantage of quick opening and closing, and solves the problem that the existing gate valves are all opened and closed manually, resulting in slow opening and closing speed and affecting people's use.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a gate valve that can be opened and closed quickly, comprising a valve body, the top of the valve body is fixedly connected to a shell, the inner cavity of the shell is provided with a groove, the inner cavity of the groove is movably connected to a valve plate, the inner cavity of the valve plate is provided with a threaded groove, the top of the inner cavity of the groove is rotatably connected to a valve stem through a bearing, the bottom of the valve stem is fixedly connected to a threaded rod, the threaded rod is threadedly connected to the inner cavity of the threaded groove, the upper part of the outer surface of the valve stem is fixedly connected to a driven gear, the right side of the shell is fixedly connected to a motor, the output shaft of the motor is fixedly connected to a driving gear, the driving gear is meshedly connected to the driven gear, and the left and right ends of the valve body are both provided with movable sleeves, and the movable sleeves are provided with mounting holes.

[0005] Preferably, a battery box is fixedly connected to the back side of the shell, and a storage battery is fixedly connected to the inner cavity of the battery box.

[0006] Preferably, a charging port is provided on the right side of the battery box, and an output end of the charging port is electrically connected to an input end of the battery.

[0007] Preferably, both left and right ends of the valve body are provided with annular grooves, the inner wall of the movable sleeve is fixedly connected with an annular slide plate, the annular slide plate is slidably connected with the inner cavity of the annular groove, and a sealing gasket is arranged on the annular slide plate.

[0008] Preferably, guide grooves are provided on both left and right sides of the inner cavity of the groove, and guide blocks are fixedly connected to the upper parts of the left and right sides of the valve plate, and the guide blocks are slidably connected to the inner cavity of the guide grooves.

[0009] Preferably, a PLC controller is fixedly connected to the front side of the shell, and an output end of the PLC controller is electrically connected to an input end of the motor.

[0010] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0011] The utility model can drive the driving gear to rotate through the motor, and under the action of the driven gear, can drive the valve stem to rotate, thereby can drive the threaded rod to rotate, and by utilizing the guide groove, the guide block and the threaded groove, the valve plate can move up and down with the rotation of the threaded rod, thereby can play the role of opening and closing, and does not need manual opening and closing, can improve the opening and closing speed, and by utilizing the movable sleeve, the annular slide plate and the annular slide groove, can expand the length of the valve body, convenient for people to properly adjust the position of the movable sleeve according to the installation environment of the fluid conveying pipe, can overcome the problem that the valve body cannot be connected and used due to the error of measuring size and the limitation of the installation environment of the fluid conveying pipe, and solves the problem that the existing gate valves are all opened and closed manually, resulting in slow opening and closing speed, which affects people's use. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a schematic diagram of the structure of the utility model;

[0013] Figure 2 This is a schematic diagram of the main cross-sectional structure of the utility model;

[0014] Figure 3 It is a schematic diagram of the enlarged structure of point A of the utility model.

[0015] In the figure: 1. valve body; 2. shell; 3. battery box; 4. charging port; 5. motor; 6. PLC controller; 7. movable sleeve; 8. mounting hole; 9. groove; 10. guide groove; 11. guide block; 12. valve plate; 13. threaded groove; 14. threaded rod; 15. annular slide plate; 16. annular slide groove; 17. driven gear; 18. valve stem; 19. driving gear. DETAILED DESCRIPTION

[0016] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0017] In the description of the present invention, unless otherwise specified, "multiple" means two or more; the terms "upper", "lower", "left", "right", "inner", "outer", "front end", "rear end", "head", "tail" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the present invention and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", "third" and the like are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0018] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "connected" and "connection" 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 an indirect connection through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0019] See also Figure 1-3 A gate valve that can be opened and closed quickly includes a valve body 1, the top of the valve body 1 is fixedly connected to a shell 2, the inner cavity of the shell 2 is provided with a groove 9, the inner cavity of the groove 9 is movably connected to a valve plate 12, the inner cavity of the valve plate 12 is provided with a threaded groove 13, the top of the inner cavity of the groove 9 is rotatably connected to a valve stem 18 through a bearing, the bottom of the valve stem 18 is fixedly connected to a threaded rod 14, the threaded rod 14 is threadedly connected to the inner cavity of the threaded groove 13, the upper part of the outer surface of the valve stem 18 is fixedly connected to a driven gear 17, the right side of the shell 2 is fixedly connected to a motor 5, the output shaft of the motor 5 is fixedly connected to a driving gear 19, the driving gear 19 is meshedly connected to the driven gear 17, the left and right ends of the valve body 1 are sleeved with movable sleeves 7, the movable sleeve 7 is provided with a mounting hole 8, the shell 2 is fixedly connected to the back of the housing 1, and the inner cavity of the battery box 3 is fixedly connected to the battery. A charging port 4 is provided on the right side of the battery box 3, and the output end of the charging port 4 is electrically connected to the input end of the battery. Annular grooves 16 are provided at both ends of the valve body 1, and an annular slide 15 is fixedly connected to the inner wall of the movable sleeve 7. The annular slide 15 is slidably connected to the inner cavity of the annular slide 16. A sealing gasket is provided on the annular slide 15. Guide grooves 10 are provided on the left and right sides of the inner cavity of the groove 9. Guide blocks 11 are fixedly connected to the upper parts of the left and right sides of the valve plate 12, and the guide blocks 11 are slidably connected to the inner cavity of the guide groove 10. A PLC controller 6 is fixedly connected to the front of the housing 2, and the output end of the PLC controller 6 is electrically connected to the input end of the motor 5.

[0020] When in use, the motor 5 can drive the driving gear 19 to rotate, and under the action of the driven gear 17, the valve stem 18 can be driven to rotate, thereby driving the threaded rod 14 to rotate. The guide groove 10, the guide block 11 and the threaded groove 13 can be used to make the valve plate 12 move up and down with the rotation of the threaded rod 14, thereby playing the role of opening and closing, and no manual opening and closing is required, which can increase the opening and closing speed. The movable sleeve 7, the annular slide plate 15 and the annular slide groove 16 can be used to expand the length of the valve body 1, so that people can adjust the position of the movable sleeve 7 according to the installation environment of the fluid delivery pipe. The problem that the valve body 1 cannot be connected and used due to the error in measuring the size and the limitation of the installation environment of the fluid delivery pipe can be overcome, and the problem that the current gate valves are all opened and closed manually, resulting in slow opening and closing speeds and affecting people's use is solved.

[0021] 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. A gate valve capable of rapid opening and closing, comprising a valve body (1), characterized in that: The top of the valve body (1) is fixedly connected to a housing (2), the inner cavity of the housing (2) is provided with a groove (9), the inner cavity of the groove (9) is movably connected to a valve plate (12), the inner cavity of the valve plate (12) is provided with a threaded groove (13), the top of the inner cavity of the groove (9) is rotatably connected to a valve stem (18) via a bearing, the bottom of the valve stem (18) is fixedly connected to a threaded rod (14), the threaded rod (14) is threadedly connected to the inner cavity of the threaded groove (13), the upper part of the outer surface of the valve stem (18) is fixedly connected to a driven gear (17), the right side of the housing (2) is fixedly connected to a motor (5), the output shaft of the motor (5) is fixedly connected to a driving gear (19), the driving gear (19) is meshingly connected to the driven gear (17), and the left and right ends of the valve body (1) are sleeved with movable sleeves (7), and the movable sleeves (7) are provided with mounting holes (8).

2. A gate valve capable of rapid opening and closing according to claim 1, characterized in that: A battery box (3) is fixedly connected to the back of the housing (2), and a storage battery is fixedly connected to the inner cavity of the battery box (3).

3. A gate valve capable of rapid opening and closing according to claim 2, characterized in that: A charging port (4) is provided on the right side of the battery box (3), and an output end of the charging port (4) is electrically connected to an input end of a storage battery.

4. A gate valve capable of rapid opening and closing according to claim 1, characterized in that: The left and right ends of the valve body (1) are both provided with an annular sliding groove (16); the inner wall of the movable sleeve (7) is fixedly connected with an annular slide plate (15); the annular slide plate (15) is slidably connected to the inner cavity of the annular sliding groove (16); and a sealing gasket is provided on the annular slide plate (15).

5. A gate valve capable of rapid opening and closing according to claim 1, characterized in that: Guide grooves (10) are provided on both left and right sides of the inner cavity of the groove (9), and guide blocks (11) are fixedly connected to the upper parts of both left and right sides of the valve plate (12), and the guide blocks (11) are slidably connected to the inner cavity of the guide groove (10).

6. A gate valve capable of rapid opening and closing according to claim 1, characterized in that: A PLC controller (6) is fixedly connected to the front side of the housing (2), and an output end of the PLC controller (6) is electrically connected to an input end of the motor (5).

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