CN210196488U

CN210196488U - Rotary blade valve

Info

Publication number: CN210196488U
Application number: CN201920992241.7U
Authority: CN
Inventors: Bin Huang; 黄彬; Yu Tang; 唐宇; Shunqiang Que; 阙顺强; Jianmin Xu; 许建民
Original assignee: Xiamen University of Technology
Current assignee: Xiamen University of Technology
Priority date: 2019-06-28
Filing date: 2019-06-28
Publication date: 2020-03-27
Anticipated expiration: 2029-06-28

Abstract

The utility model discloses a rotary vane valve, which comprises a valve body, the inside valve pocket that is formed with of valve body, the both ends of valve body form feed inlet and discharge gate respectively, be equipped with the relative valve body pivoted blade of ability in the valve pocket, be equipped with on the valve body and enable actuating mechanism, the drive through actuating mechanism enables the relative valve body rotation of blade, and make the blade form closely to cooperate or break away from closely and cooperate and then form ending or the on-state of feed inlet and discharge gate with the valve body inner wall, actuating mechanism includes threaded connection and has the screw rod, be equipped with on the valve body outside with screw rod complex hand wheel, make and to drive screw rod axial seesaw when rotary hand wheel, be equipped with a link assembly in the valve pocket and drive the blade rotation with link assembly. The utility model discloses its leakproofness is good reliable, and the blade rotates freely and does not block puckery.

Description

Rotary blade valve

Technical Field

The utility model relates to the technical field of valves, concretely relates to rotating vane valve.

Background

When the gate valve is used, the structure of the gate valve determines that friction is generated at the sealing rubber strip of the valve body, long-time friction necessarily causes untight sealing of the rubber strip, so that dust in the cavity is easy to leak out of the valve body, the production construction environment is polluted, and particularly in a workshop with high production environment requirements, higher requirements are provided for the sealing and other characteristics of the gate valve. And after the gate valve is used for a long time, the problems of unsmooth opening and closing and blockage caused by dust accumulation in the using process are solved.

SUMMERY OF THE UTILITY MODEL

The utility model provides a not enough to prior art, the utility model provides a rotating vane valve, its leakproofness is good reliable, and the blade rotates freely and does not block puckery.

In order to achieve the purpose, the utility model is realized by the following technical proposal:

a rotary blade valve comprises a valve body, a valve cavity is formed in the valve body, a feed inlet and a discharge outlet are formed at two ends of the valve body respectively, at least one blade capable of rotating relative to the valve body is arranged in the valve cavity, a driving mechanism capable of driving the blade to rotate is arranged on the valve body, the blade can rotate relative to the valve body through the driving of the driving mechanism, the blade can be in close fit with or separated from the close fit with the inner wall of the valve body to form a cut-off or conduction state of the feed inlet and the discharge outlet, the driving mechanism comprises a screw rod which is in threaded connection with the side surface of the valve body, one end of the screw rod extends into the valve cavity, a hand wheel in threaded fit with the screw rod is arranged on the outer side of the valve body, the screw rod can be driven to axially move back and forth when the hand wheel is rotated, a connecting rod assembly is arranged in the valve cavity and, and the other end of the first connecting rod is hinged at the tail end of the screw rod, the other end of the second connecting rod is hinged on the inner wall of the valve cavity, and the other end of the third connecting rod is hinged on the blade.

Further, the valve body includes last valve body and lower valve body that can mutually support and form the valve pocket, and the feed inlet is seted up on last valve body, and the discharge gate is seted up on valve body down, and the blade rotates and is connected in valve body down, and actuating mechanism sets up on valve body down and is connected with the blade in the valve body down in order to drive the relative valve body rotation down of blade, is equipped with the backstop portion that can stretch into in the valve body down and correspond the setting with the blade on last valve body, and the blade can form closely to cooperate and then make feed inlet and discharge gate form the off-state under actuating mechanism's drive with the backstop portion.

Further, be equipped with three blade in the valve body down, three blade is arranged along the direction of motion equidistance of screw rod, goes up to be equipped with three backstop portion that can correspond the setting with each blade respectively on the valve body, and the upper end both sides of each blade are rotated through the pivot and are connected in the valve body down, and the lower extreme both sides of three blade respectively are connected through a gangbar, make each blade can rotate in step so that form closely to cooperate or break away from closely to cooperate with the backstop portion that corresponds respectively under actuating mechanism's drive through the gangbar.

Further, the blade is square plate-shaped, and the upper end both sides of blade are rotated through the pivot and are connected in lower valve body, and backstop portion corresponds the setting with the blade, and backstop portion includes preceding baffle, backplate and two side shields of an organic whole connection, and preceding baffle, backplate and two side shields enclose to establish and form a feedstock channel, and the lower extreme of backstop portion forms one can with blade matched with sealed inclined plane.

Furthermore, a sealing ring groove is formed in the sealing inclined plane at the lower end of the stopping part, and a sealing ring is clamped in the sealing ring groove to improve the sealing performance when the blade is matched with the sealing inclined plane of the stopping part.

Further, the stopper portion is integrally formed with the upper valve body.

Rotary vane valve, have following advantage:

1. through set up the blade that can valve body pivoted relatively in the valve pocket, the blade can form closely cooperating or break away from closely cooperating and then form the end or the on-state of feed inlet and discharge gate with the valve body inner wall, use the blade of rotation type to avoid the friction problem between picture peg and the adhesive tape among the prior art from the structure, the whole sealing performance of valve body has been improved, avoid the dust to spill the valve body, and the blade rotates freely and can not produce the bite phenomenon, can swiftly conveniently easily take the blade motion and then realize the end or the on-state of feed inlet and discharge gate through the actuating mechanism on the valve body.

2. The blade is the slope setting, and its atress angle is littleer, can effectively reduce the drive power of changeing the blade through actuating mechanism, has improved the convenience of operation and use. And the inclined blades can reduce the whole size of the valve body, reduce the occupied area and save the use space.

3. The plurality of blades are arranged in the valve cavity for combined use, so that pressure can be effectively dispersed during working, stress concentration is avoided, and the pressure born by each blade is reduced.

Drawings

Fig. 1 is a schematic perspective view of an embodiment of the present invention.

Fig. 2 is an exploded view of the three-dimensional structure of the embodiment of the present invention.

Fig. 3 is an exploded view of another angle of the three-dimensional structure according to the embodiment of the present invention.

Fig. 4 is a structural sectional view of the feed inlet and the discharge outlet when the feed inlet and the discharge outlet are formed.

Fig. 5 is a structural section view of the feed inlet and the discharge outlet in the conduction state of the embodiment of the present invention.

Fig. 6 is a schematic view of a partial structure of the feed inlet and the discharge outlet of the embodiment of the present invention when they are connected.

Fig. 7 is a schematic view of a partial structure of a feed inlet and a discharge outlet when the feed inlet and the discharge outlet are formed.

Description of reference numerals:

1. the valve comprises a valve body, 2, blades, 3, a driving mechanism, 4, a linkage rod, 11, an upper valve body, 12, a lower valve body, 31, a screw rod, 32, a hand wheel, 33, a connecting rod assembly, 111, a feeding hole, 112, a stopping part, 121, a discharging hole, 331, a first connecting rod, 332, a second connecting rod, 333, a third connecting rod, 1121, a front baffle, 1122, a rear baffle, 1123, a side baffle and a 1124 sealing ring.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and examples.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1 to 7, in the present embodiment, a rotary vane valve includes a valve body 1, a valve cavity is formed inside the valve body 1, a feed port 111 and a discharge port 121 are respectively formed at two ends of the valve body 1, at least one vane 2 capable of rotating relative to the valve body 1 is disposed in the valve cavity, a driving mechanism 3 capable of driving the vane 2 to rotate is disposed on the valve body 1, the driving mechanism 3 can drive the vane 2 to rotate relative to the valve body 1, and the vane 2 can form a close fit or a separation fit with an inner wall of the valve body 1 to form a cut-off or a conduction state of the feed port 111 and the discharge port 121, the driving mechanism 3 includes a screw rod 31 which is in threaded connection with a side surface of the valve body 1, a hand wheel 32 which is in threaded connection with the screw rod 31 is disposed on an outer side of the valve body 1, so that the screw rod 31 can be driven to move, the connecting rod assembly 33 comprises a first connecting rod 331, a second connecting rod 332 and a third connecting rod 333, one ends of the first connecting rod 331, the second connecting rod 332 and the third connecting rod 333 are hinged on the same hinge shaft, the other end of the first connecting rod 331 is hinged at the tail end of the screw rod 31, the other end of the second connecting rod 332 is hinged on the inner wall of the valve cavity, and the other end of the third connecting rod is hinged on the blade 2.

The rotary vane valve of this embodiment compares in the push-pull valve among the prior art, through set up the relative valve body 1 pivoted blade 2 of ability in the valve pocket, blade 2 can form closely with 1 inner wall of valve body and closely cooperate or break away from closely cooperating and then form ending or the on-state of feed inlet 111 with discharge gate 121, use the blade of rotation type to follow the friction problem between the picture peg and the adhesive tape among the structural prior art of having avoided, the whole sealing performance of valve body has been improved, avoid the dust to spill valve body 1, and blade 2 rotates and can not produce the bite phenomenon freely, can swiftly conveniently take the motion of blade 2 and then realize ending or the on-state of feed inlet 111 with discharge gate 121 through actuating mechanism 3 on the valve body 1.

Referring to fig. 2 to 5, in the embodiment, preferably, the valve body 1 includes an upper valve body 11 and a lower valve body 12 that can cooperate with each other to form a valve cavity, the feed port 111 is disposed on the upper valve body 11, the discharge port 121 is disposed on the lower valve body 12, the blade 2 is rotatably connected in the lower valve body 12, the driving mechanism 3 is disposed on the lower valve body 12 and connected to the blade 2 in the lower valve body 12 to drive the blade 2 to rotate relative to the lower valve body 12, the upper valve body 11 is provided with a stop portion 112 that can extend into the lower valve body 12 and is disposed corresponding to the blade 2, and the lower blade 2 driven by the driving mechanism 3 can form a close fit with the stop portion 112 to enable the feed port 111 and the discharge port 121 to form a stop state. In this embodiment, blade 2 is the slope setting, and its atress angle is littleer, can effectively reduce the drive power through 3 rotor blade 2 of actuating mechanism, has improved the convenience of operation and use. And the inclined blades 2 can reduce the whole size of the valve body 1, reduce the occupied area and save the use space.

Referring to fig. 2 to 7, in the embodiment, preferably, three blades 2 are disposed in the lower valve body 12, the three blades 2 are equidistantly arranged along the moving direction of the screw 31, three stopping portions 112 capable of being respectively disposed corresponding to each blade 2 are disposed on the upper valve body 11, two sides of an upper end of each blade 2 are rotatably connected in the lower valve body 12 through a rotating shaft, two sides of a lower end of each blade 2 are respectively connected through a linkage rod 4, so that each blade 2 can synchronously rotate through the linkage rods 4 to respectively form a close fit or a loose fit with the corresponding stopping portions 112 under the driving of the driving mechanism 3. In the embodiment, the plurality of blades 2 are arranged in the valve cavity for combined use, so that pressure can be effectively dispersed during working, stress concentration is avoided, and the pressure born by each blade 2 is reduced.

Referring to fig. 2 to 7, in the embodiment, preferably, the blade 2 is in a square plate shape, two sides of the upper end of the blade 2 are rotatably connected in the lower valve body 12 through a rotating shaft, the stopping portion 112 is disposed corresponding to the blade 2, the stopping portion 112 includes a front baffle 1121, a rear baffle 1122 and two side baffles 1123 which are integrally connected, the front baffle 1121, the rear baffle 1122 and the two side baffles 1123 surround to form a feeding channel, and the lower end of the stopping portion 112 forms a sealing inclined surface which can be matched with the blade 2. In this embodiment, a sealing ring groove is preferably formed on the sealing inclined surface of the lower end of the stopping portion 112, and a sealing ring 1124 is clamped in the sealing ring groove to improve the sealing performance when the blade 2 is matched with the sealing inclined surface of the stopping portion 112. In the present embodiment, the stopper portion 112 is preferably integrally formed with the upper valve body 11. In this embodiment, there is no friction between the blade 2 and the sealing ring 1124, which can improve the service life and sealing reliability of the sealing ring.

The above-mentioned embodiments are only used for illustrating the technical solution of the present invention, and not for limiting the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; these modifications and substitutions do not depart from the spirit and scope of the embodiments of the present invention, and therefore, all other embodiments obtained by those skilled in the art without any creative effort fall within the protection scope of the present invention.

Claims

1. A rotary vane valve characterized by: comprises a valve body (1), a valve cavity is formed inside the valve body (1), a feed inlet (111) and a discharge outlet (121) are respectively formed at two ends of the valve body (1), at least one blade (2) which can rotate relative to the valve body (1) is arranged in the valve cavity, a driving mechanism (3) which can drive the blade (2) to rotate is arranged on the valve body (1), the blade (2) can rotate relative to the valve body (1) through the driving energy of the driving mechanism (3), and the blade (2) can form close fit or separate from close fit with the inner wall of the valve body (1) so as to form the stop or conduction state of the feed inlet (111) and the discharge outlet (121), the driving mechanism (3) comprises a screw rod (31) which is in threaded connection with the side surface of the valve body (1) and one end of which extends into the valve cavity, a hand wheel (32) which is in threaded fit with the screw rod (31) is arranged on the outer side of the valve body, the valve cavity is internally provided with a connecting rod assembly (33), the connecting rod assembly (33) comprises a first connecting rod (331), a second connecting rod (332) and a third connecting rod (333), one ends of the first connecting rod (331), the second connecting rod (332) and the third connecting rod (333) are hinged to the same hinge shaft, the other end of the first connecting rod (331) is hinged to the tail end of the screw rod (31), the other end of the second connecting rod (332) is hinged to the inner wall of the valve cavity, and the other end of the third connecting rod is hinged to the blade (2).

2. The rotary vane valve according to claim 1, wherein: the valve body (1) comprises an upper valve body (11) and a lower valve body (12) which can be mutually matched and form a valve cavity, a feed inlet (111) is formed in the upper valve body (11), a discharge outlet (121) is formed in the lower valve body (12), blades (2) are rotatably connected in the lower valve body (12), a driving mechanism (3) is arranged on the lower valve body (12) and is connected with the blades (2) in the lower valve body (12) to drive the blades (2) to rotate relative to the lower valve body (12), a stopping portion (112) which can stretch into the lower valve body (12) and is correspondingly arranged with the blades (2) is arranged on the upper valve body (11), and the blades (2) can be tightly matched with the stopping portion (112) under the driving of the driving mechanism (3) to further enable the feed inlet (111) and the discharge outlet (121) to form a stopping state.

3. The rotary vane valve of claim 2 wherein: be equipped with three blade (2) down in valve body (12), three blade (2) are arranged along the direction of motion equidistance of screw rod (31), it can correspond backstop portion (112) that set up with each blade (2) respectively to be equipped with three on last valve body (11), the upper end both sides of each blade (2) are rotated through the pivot and are connected in valve body (12) down, the lower extreme both sides of three blade (2) respectively are connected through a gangbar (4), make each blade (2) can rotate in step through gangbar (4) so that form closely to cooperate or break away from closely to cooperate with backstop portion (112) that correspond respectively under the drive of actuating mechanism (3).

4. The rotary vane valve of claim 3, wherein: blade (2) are square plate-like, the upper end both sides of blade (2) are rotated through the pivot and are connected in lower valve body (12), backstop portion (112) correspond the setting with blade (2), backstop portion (112) are including preceding baffle (1121), backplate (1122) and two side shields (1123) of an organic whole connection, preceding baffle (1121), backplate (1122) and two side shields (1123) enclose and establish and form a feedstock channel, the lower extreme of backstop portion (112) forms one can with blade (2) matched with sealed inclined plane.

5. The rotary vane valve of claim 4, wherein: a sealing ring groove is formed in the sealing inclined plane at the lower end of the stopping part (112), and a sealing ring (1124) is clamped in the sealing ring groove to improve the sealing performance when the blade (2) is matched with the sealing inclined plane of the stopping part (112).

6. The rotary vane valve of claim 5, wherein: the stop part (112) is integrally formed with the upper valve body (11).