Turnover plate opening and closing structure of valve

Abstract

The utility model discloses a turning plate opening and closing structure of a valve, and relates to the technical field of valves. According to the technical scheme, the valve is characterized by comprising a valve body, a movable plug assembly is arranged in the valve body and comprises a baffle used for controlling opening and closing of the valve body, a groove is formed in the top of the valve body, and a connecting plate perpendicular to the baffle is arranged on the surface of the side, facing the inlet end of the valve body, of the baffle; the top of the connecting plate is rotationally connected into the groove through a hinge shaft, and the device further comprises a driving assembly used for driving the connecting plate to rotate. The utility model aims to provide a turning plate opening and closing structure of a valve.

Description

TECHNICAL FIELD

[0001] The utility model relates to valve technical field more specifically, it relates to a valve's flap opening and closing structure. BACKGROUND

[0002] In industrial pipeline system, as the core component of fluid control, the sealing, durability and maintenance convenience of valve directly affect the operation efficiency and safety of system. The traditional valve (such as plug valve, ball valve, gate valve etc.) usually adopts fixed valve core structure, and the valve core and valve body realize opening and closing function through rotation or lifting movement.

[0003] The existing valve even if in the completely open state, the valve core (such as the plug of plug valve, the ball of ball valve) still partly stays in the fluid passage, so in routine maintenance, it cannot directly enter the valve interior from the pipeline to carry out cleaning work, leads to the interior of valve to be easy to accumulate impurities, affects its normal use.

[0004] Therefore, a new technical scheme is needed to solve the above technical problems. UTILITY MODEL CONTENTS

[0005] In view of the deficiencies of the prior art, the utility model aims at providing a valve's flap opening and closing structure.

[0006] The above technical purpose of the utility model is realized through the following technical scheme: a valve's flap opening and closing structure, including valve body, the movable plug assembly is arranged in the valve body, the movable plug assembly includes the baffle for controlling the opening and closing of valve body, the recess is set up in the top of valve body, the side surface of the baffle towards the inlet end of valve body is provided with the connecting plate perpendicular to the baffle, the top of connecting plate is rotatably connected in the recess through the hinged shaft, and it further includes the driving assembly for driving the rotation of connecting plate.

[0007] The utility model is further provided with: the top of valve body is provided with the guide sleeve communicated with the recess, the driving assembly includes the guide plate slidably connected in the guide sleeve along the vertical direction, the bottom of guide plate is fixedly connected with the vertically arranged connecting rod, the bottom end of connecting rod is hinged with the hinged rod, the bottom end of hinged rod is hinged to the middle part of connecting plate, and it further includes the driving piece for driving the lifting of guide plate.

[0008] The utility model is further provided with: the top of guide sleeve is sealingly arranged, and the driving piece is specifically electric push cylinder arranged on the inner wall of the top of guide sleeve, the piston rod of electric push cylinder is vertically downward, and the end portion thereof is fixedly connected to the guide plate.

[0009] The utility model is further provided with: the circumferential side wall of guide plate is provided with annular groove, and the sealing ring is sleeved in the annular groove.

[0010] The utility model further sets up: the valve body has the abutment along and is integrally formed along its circumferential inner wall, when the baffle is in the vertical closed state, the circumferential side of the one side surface of the baffle abuts on the abutment along.

[0011] The utility model further sets up: the baffle is provided with the first inclined plane on the circumferential side of one side surface towards the abutment along, the end of the abutment along is provided with the second inclined plane parallel to the first inclined plane along its circumferential side, when the valve body is in the closed state, the first inclined plane of the circumferential side of the baffle abuts on the second inclined plane of the abutment along.

[0012] The utility model further sets up: the top of the guide sleeve is sealed and sets up, the driving part is the motor set up in the top of guide sleeve, the output shaft of motor stretches into to guide sleeve and is fixedly connected with threaded rod, the top of the guide plate is provided with the vertical connecting sleeve, the connecting sleeve is seted up with the threaded groove for threaded rod and is threadedly connected.

[0013] The utility model has the following beneficial effects: when the valve body is in the closed state, the driving assembly is deflected downward through the driving connecting plate, and finally makes the baffle be in the vertical state, to play the closing effect to the valve body, when needing to open the valve body, can drive the connecting plate to rotate along the hinged shaft through the driving assembly, so that the baffle opens, and the opening angle of the connecting plate is controlled through the driving assembly, to control the opening angle of the baffle, thereby control the flow size, when the driving assembly drives the connecting plate to rotate until the baffle is in the horizontal state and is completely placed in the recess, makes the inlet end and the outlet end of the valve body form the unobstructed straight-through flow channel, thereby can conveniently clean the inside of the pipeline and the valve body, prevent the excessive impurities remaining on the baffle surface, cause the blockage of valve and the pollution of flow medium. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is the half cut structure schematic view of specific embodiment 1;

[0015] Figure 2 It is the structure schematic view of movable plug assembly;

[0016] Figure 3 It is Figure 1 It is the local enlarged schematic view of A portion in middle;

[0017] Figure 4 It is the half cut structure schematic view of specific embodiment 2.

[0018] BRIEF DESCRIPTION OF DRAWINGS: 1, valve body; 2, baffle; 3, groove; 4, connecting plate; 5, guide sleeve; 6, guide plate; 7, connecting rod; 8, hinged rod; 9, hinged shaft; 10, electric push cylinder; 11, sealing ring; 12, abutting edge; 13, first inclined surface; 14, second inclined surface; 15, motor; 16, threaded rod; 17, connecting sleeve. DETAILED DESCRIPTION

[0019] The utility model will be made further detailed description in combination with the drawings.

[0020] Wherein same part is indicated with same reference numerals. It is explained that, the words "front", "back", "left", "right", "up" and "down" used in the following description refer to the direction in the drawings, and the words "bottom surface" and "top surface", "inner" and "outer" refer to the direction towards or away from the geometric center of a particular component. Specific embodiment 1:

[0022] As shown in the figure, a kind of valve flap opening and closing structure, including valve body 1, movable plug assembly is provided in valve body 1, movable plug assembly includes the baffle 2 for controlling the opening and closing of valve body 1, the top of valve body 1 is provided with the connecting plate 4 perpendicular to baffle 2 on the side surface towards the inlet end of valve body 1, the top of connecting plate 4 is rotationally connected in groove 3 by hinged shaft 9, further include the driving assembly for driving connecting plate 4 rotation.

[0023] When valve body 1 is in closed state, driving assembly deflects downward by driving connecting plate 4, and finally makes baffle 2 in vertical state, to play the closing effect to valve body 1, when needing to open valve body 1, connecting plate 4 can be rotated along hinged shaft by driving assembly, so that baffle 2 is opened, the opening angle of connecting plate 4 is controlled by driving assembly, to control the opening angle of baffle 2, to control the flow size, when driving assembly drives connecting plate 4 to rotate until baffle 2 is in horizontal state and is completely placed in groove 3, so that the inlet end and the outlet end of valve body 1 form unobstructed straight-through flow channel, to facilitate the cleaning work of pipeline and the inside of valve body 1, prevent too many impurities from remaining on the surface of baffle 2, cause the blockage of valve and the pollution of flow medium.

[0024] The top of valve body 1 is provided with guide sleeve 5 connected to groove 3, and driving assembly includes guide plate 6 slidably connected in guide sleeve 5 along vertical direction, the bottom of guide plate 6 is fixedly connected with vertically arranged connecting rod 7, the bottom end of connecting rod 7 is hinged with hinged rod 8, the bottom end of hinged rod 8 is hinged to the middle part of connecting plate 4, further include driving member for driving guide plate 6 to ascend and descend.

[0025] The top of the guide sleeve 5 is sealingly arranged, and the driving member is specifically an electric push cylinder 10 arranged on the inner wall of the top of the guide sleeve 5, the piston rod of the electric push cylinder 10 is vertically downward and the end thereof is fixedly connected to the guide plate 6, the guide plate 6 is driven to ascend and descend along the guide groove by the electric push cylinder 10, so as to control the opening and closing and opening angle of the baffle 2.

[0026] The guide plate 6 is provided with an annular groove on the circumferential side wall, and a sealing ring 11 is arranged in the annular groove, so as to ensure the sealing effect of the valve body 1 and prevent the medium from entering the space above the guide plate 6, thereby affecting the normal work of the valve.

[0027] The valve body 1 is integrally formed with an abutting edge 12 on the circumferential inner wall, and the circumferential side of one side surface of the baffle 2 is abutted to the abutting edge 12 when the baffle 2 is in the vertical closed state. The circumferential side of one side surface of the baffle 2 is provided with a first inclined surface 13 facing the abutting edge 12, and the end of the abutting edge 12 is provided with a second inclined surface 14 parallel to the first inclined surface 13 along the circumferential side, and the first inclined surface 13 of the baffle 2 is abutted to the second inclined surface 14 of the abutting edge 12 when the valve body 1 is in the closed state.

[0028] Therefore, the sealing effect of the baffle 2 on the valve body 1 is ensured when the valve body 1 is in the closed state. Specific embodiment 2:

[0030] Different from the specific embodiment 1, the driving member is specifically an electric machine 15 arranged on the top of the guide sleeve 5, the output shaft of the electric machine 15 extends into the guide sleeve 5 and is fixedly connected with a threaded rod 16, and the top of the guide plate 6 is provided with a vertical connecting sleeve 17, the connecting sleeve 17 is provided with a threaded groove for the threaded rod 16 to pass through and threadedly connect.

[0031] The electric machine 15 controls the rotating direction of the threaded rod 16, and drives the guide plate 6 to ascend and descend under the action of the connecting sleeve 17, so as to control the opening and closing and opening angle of the baffle 2.

[0032] The specific embodiment is only an explanation of the utility model, and is not a limitation of the utility model, and those skilled in the art can make modifications without creative contribution according to the needs after reading the specification, but as long as it is within the scope of the claims of the utility model, it is protected by the patent law.

Claims

1. A flap opening and closing structure of a valve, characterized by: The utility model provides a valve body (1) is provided with movable plug assembly in, movable plug assembly includes the baffle (2) for controlling the opening and closing of valve body (1), the recess (3) is seted up in the top of valve body (1), the one side surface of baffle (2) towards the import end of valve body (1) is provided with the connecting plate (4) perpendicular to baffle (2), the top of connecting plate (4) is rotatably connected in recess (3) through hinged shaft (9), still include the drive assembly for driving connecting plate (4) rotation; The top of valve body (1) is provided with the guide sleeve (5) that is connected to the recess (3), the drive assembly includes the guide plate (6) that is slidably connected in the guide sleeve (5) along the vertical direction, the bottom of guide plate (6) is fixedly connected with the vertically arranged connecting rod (7), the bottom end of connecting rod (7) is hinged with the hinged rod (8), the bottom end of hinged rod (8) is hinged to the middle part of connecting plate (4), further including the drive piece for driving the lifting of guide plate (6).

2. The flap opening and closing structure of a valve according to claim 1, characterized in that: The top of guide sleeve (5) is sealingly arranged, and the drive piece is an electric push cylinder (10) arranged on the inner wall of the top of guide sleeve (5), the piston rod of electric push cylinder (10) is vertically downward, and the end thereof is fixedly connected to guide plate (6).

3. The flap opening and closing structure of a valve according to claim 2, characterized in that: The circumferential side wall of guide plate (6) is provided with an annular groove, and a sealing ring (11) is arranged in the annular groove.

4. The flap opening and closing structure of a valve according to claim 3, characterized in that: The valve body (1) is integrally formed with an abutting rib (12) along the circumferential inner wall thereof, when the baffle (2) is in a vertical closed state, the circumferential side of one side surface of the baffle (2) abuts against the abutting rib (12).

5. The flap opening and closing structure of a valve according to claim 4, characterized in that: The circumferential side of one side surface of the baffle (2) towards the abutting rib (12) is provided with a first inclined surface (13), and the end of the abutting rib (12) is provided with a second inclined surface (14) parallel to the first inclined surface (13) along the circumferential side thereof, when the valve body (1) is in a closed state, the first inclined surface of the circumferential side of the baffle (2) abuts against the second inclined surface of the abutting rib (12).

6. The flap opening and closing structure of a valve according to claim 1, characterized in that: The top of guide sleeve (5) is sealingly arranged, and the drive piece is an electric motor (15) arranged on the top of guide sleeve (5), the output shaft of electric motor (15) extends into guide sleeve (5) and is fixedly connected with a threaded rod (16), the top of guide plate (6) is provided with a vertical connecting sleeve (17), the connecting sleeve (17) is provided with a threaded groove for the threaded rod (16) to pass through and be screw-connected.

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