CN117345889A

CN117345889A - Flat gate valve with diversion adjusting function

Info

Publication number: CN117345889A
Application number: CN202311354473.7A
Authority: CN
Inventors: 苏浩杰; 阮昶; 向常金; 张军克; 苏汇子; 苏永进
Original assignee: Zhejiang Advanced Technology Valve Co ltd
Current assignee: Zhejiang Advanced Technology Valve Co ltd
Priority date: 2023-10-19
Filing date: 2023-10-19
Publication date: 2024-01-05

Abstract

The invention discloses a flat gate valve with a diversion adjusting function, which relates to the technical field of gate valves and comprises a control part, a valve body, a valve rod, a gate, an input end and an output end, wherein the control part is fixedly connected with the top of the valve body, one end of the valve rod is arranged in the valve body, the other end of the valve rod is fixedly connected with the control part, one end of the valve rod, which is far away from the control part, is fixedly connected with the gate, the gate is arranged in the valve body, the gate is slidably connected with the valve body, the valve rod is fixedly connected with the gate, one side of the valve body is fixedly connected with the input end, and the other side of the valve body is fixedly connected with the output end. According to the buffer unit, the working states of the reverse folding cavities are controlled through the movement of the gate, in the process of increasing the closing degree, a plurality of groups of reverse folding cavities generate a plurality of groups of reverse flushing fluid in the input pipe, so that layered blocking is formed on the input fluid, the impact force on the gate is greatly reduced, the damage degree of the gate is reduced, and the service life of the valve is prolonged.

Description

Flat gate valve with diversion adjusting function

Technical Field

The invention relates to the technical field of gate valves, in particular to a flat gate valve with a diversion adjusting function.

Background

The flat gate valve is a common fluid control valve, and mainly consists of a valve body, a gate plate, a sealing element and an operating mechanism. The flat gate valve has the characteristics of simple structure, small volume and reliable operation, and is widely applied to cutting off and regulating the flow of fluid in a pipeline. The valve body channel of the flat gate valve is designed into a rectangular shape or a parallel groove shape, and the opening and closing of the fluid are controlled by rotating the flashboard. The flashboard is provided with a sealing element, and when the flashboard is closed, the sealing element is tightly attached to the sealing surface of the valve body, so that reliable sealing performance is realized. However, the existing flat gate valve has many defects and cannot meet the use requirements.

In the process of closing the flat gate valve, the circulation space of the fluid is compressed, the bottom of the gate can bear larger load, the relative friction between the bottom of the gate and the fluid can be increased, on one hand, the situation can lead to the abrasion of the gate to be aggravated, and the service life of the gate valve is shortened. On the other hand, the increase of relative friction also increases the noise generated by the gate valve. In the process that the gate is closed, the conventional flat gate valve is fast cut off, more impact can be generated to the gate valve body, and the long-term impact force effect can influence the strength of the gate valve, so that potential safety hazards are caused.

Disclosure of Invention

The invention aims to provide a flat gate valve with a diversion adjusting function, so as to solve the problems in the background art.

In order to solve the technical problems, the invention provides the following technical scheme: the utility model provides a flat gate valve of subsidiary water conservancy diversion regulatory function, includes control part, valve body, valve rod, gate, input, output, control part and valve body top fastening connection, valve rod one end setting are inside the valve body, valve rod other end and control part fastening connection, and control part's one end and gate fastening connection are kept away from to the valve rod, and the gate setting is inside the valve body, gate and valve body sliding connection, valve rod and gate fastening connection, valve body one side and input fastening connection, valve body opposite side and output fastening connection. Fluid enters the valve body from the input end, and is discharged from the output end, the control part adjusts the height of the valve rod, and the valve rod drives the gate to move up and down, so that the regulation of the open and close states is realized.

Further, the control part comprises a control cavity, a control panel, a connecting unit, a lifting screw rod, a fixing nut and an adjusting wheel, wherein the control cavity is fixedly connected with the top of the valve body, the control panel is rotatably connected with the control cavity, the control panel is fixedly connected with the connecting unit, the lifting screw rod is fixedly connected with the valve rod, the fixing nut is sleeved on the lifting screw rod, the fixing nut is meshed with the lifting screw rod, the control panel is fixedly connected with the fixing nut, the adjusting wheel is arranged on the side edge of the control cavity, and the adjusting wheel is fixedly connected with the connecting unit. When the open-close state needs to be regulated, the regulating wheel is rotated, the regulating wheel drives the connecting unit, the connecting unit drives the fixing nut to rotate, the fixing nut is meshed with the lifting screw rod, the lifting screw rod is driven to move up and down, and the lifting screw rod drives the gate to move up and down.

Further, the connecting unit comprises a worm, a worm wheel, a first bevel gear, a second bevel gear, a connecting frame and a fixed shaft, wherein the worm, the fixed shaft and the control cavity are rotationally connected, the adjusting wheel is in fastening connection with the worm, the worm wheel, the first bevel gear and the fixed shaft are in fastening connection, the worm is meshed with the worm wheel, the first bevel gear is meshed with the second bevel gear, the second bevel gear is in fastening connection with the connecting frame, and one end of the connecting frame, far away from the second bevel gear, is in fastening connection with the control panel. When the regulating wheel rotates, the regulating wheel drives the worm to rotate, the worm is meshed with the worm wheel to drive the worm wheel to rotate, the worm wheel drives the first bevel gear to rotate, the first bevel gear is meshed with the second bevel gear, the first bevel gear drives the second bevel gear to rotate, the second bevel gear drives the connecting frame to rotate, and the connecting frame drives the control panel to rotate. The connecting unit realizes unidirectional transmission, avoids the feedback of the stress state of the gate to the regulating wheel, and completes the self-locking of state regulation.

Further, the input end comprises an input flange, an input pipe and a buffer unit, the input flange is fixedly connected with the input pipe, one end, far away from the input flange, of the input pipe is fixedly connected with the valve body, and the buffer unit is arranged inside the input pipe. The input flange is connected with an external pipeline, fluid flows through the input pipe, and the buffer unit conducts diversion adjustment on the change of the fluid state so as to realize fluid buffer.

Further, the buffer unit includes adjustment channel, the telescopic link, the water conservancy diversion part, the go-between, the arc chamber, the adjustment channel is provided with the multiunit, multiunit adjustment channel centers on buffer unit evenly distributed, adjacent adjustment channel passes through arc chamber intercommunication, the telescopic link sets up inside the adjustment channel, telescopic link one end and adjustment channel fastening connection, telescopic link inside is provided with pulls the spring, it is inside both ends fastening connection to pull the spring and the telescopic link, the expansion link's inside telescopic link's that is located the uppermost adjustment channel movable end is provided with the connecting rope, the one end and the gate fastening connection of telescopic link are kept away from to the connecting rope, the water conservancy diversion part is provided with the multiunit, multiunit water conservancy diversion part is close to gate one side along the adjustment channel and arranges, be located adjacent adjustment channel's telescopic link movable end and pass through go-between fastening connection, go-between and arc chamber sliding connection, the water conservancy diversion part includes the telescopic channel, the return chamber, lifting block, ejecting spring, telescopic channel and adjustment channel intercommunication, the return chamber passes from the middle, both sides all with the input tube inner wall intercommunication, return chamber setting direction and input tube direction are the same, return chamber both ends set up towards one side of keeping away from the gate, lifting block and lifting block sliding connection, lifting block fastening connection, lifting block top is provided with the top of the guide channel fastening connection. The connecting rope can gradually pull the telescopic rod to stretch out in the process that the gate is gradually closed, and the telescopic rod pulls other telescopic rods to stretch out through the connecting ring. In the extending process of the telescopic rod, the telescopic rod can sequentially contact with the guide inclined planes of the lifting blocks, the lifting blocks are pressed by the telescopic rod, the ejection springs shrink, after the lifting blocks are pressed into the telescopic channel, the guide channel and the reverse-folding cavity are communicated, fluid close to the inner wall in the input pipe can be guided by the reverse-folding cavity, the fluid can form reverse impact on fluid in the input pipe under the guiding of the reverse-folding cavity, and the number of layers for forming reverse impact can be increased in the closing process of the gate. According to the buffer unit, the working states of the reverse folding cavities are controlled through the movement of the gate, in the process of increasing the closing degree, a plurality of groups of reverse folding cavities generate a plurality of groups of reverse flushing fluid in the input pipe, so that layered blocking is formed on the input fluid, the impact force on the gate is greatly reduced, the damage degree of the gate is reduced, and the service life of the valve is prolonged. On the other hand, to the guide recoil of gate top layer water for the top layer water is to fluid center input, makes pipeline inner and outer layer water mix, has avoided pipeline heat transfer to lead to the inner and outer layer water to appear great difference in temperature, and water temperature's evenly distributed can reduce water local pressure differential, makes whole gate valve atress more even, in order to prolong its holistic life.

Further, the bottom of the gate is provided with an arc edge, the radius of the arc edge is the same as that of the circulating channel of the valve body, the arc edge is provided with drainage units, the drainage units are provided with a plurality of groups, and the drainage units of the plurality of groups are uniformly distributed around the arc edge. The arc edge of the gate can be overlapped with the upper side of the flow passage of the valve body when the gate is opened, and the drainage unit can reduce friction between water and the bottom of the gate, noise and abrasion.

Further, the drainage unit includes the mounting groove, rotate the wheel, push away the flow board, concentrate the cavity, the guide tube, the input hole, the mounting groove sets up in arc limit department, the mounting groove sets up to convex, rotate wheel and mounting groove lateral wall rotation connection, the mounted position of rotating the wheel is close to input one side eccentric to the mounting groove, push away flow board and rotate wheel fastening connection, push away the flow board and be provided with the multiunit, multiunit push away the flow board and enclose around rotating round evenly distributed, concentrate the cavity setting inside the gate, guide tube one end and concentrate the cavity intercommunication, the guide tube other end and arc limit are close to one side intercommunication of input, input hole one end and concentrate the cavity intercommunication, the input hole other end and gate are close to one side bottom intercommunication of input. When the fluid flows through the bottom of the gate, the fluid can be contacted with the plug flow plate, the plug flow plate is pushed by the fluid to drive the rotating wheel to rotate, a wedge-shaped space is formed between the rotating wheel and the mounting groove due to the eccentric arrangement of the rotating wheel, the plug flow plate can drive the fluid to rush into the wedge-shaped space in the rotating process of the rotating wheel, the fluid to rush into the guide pipe along with the space shrinkage, the guide pipe inputs the fluid into the centralized cavity, and the fluid in the centralized cavity is discharged through the input hole. The drainage unit moves along with the fluid passing through the gate through the rotating wheel, so that the relative flow velocity of the fluid and the bottom of the gate is reduced, on one hand, the abrasion of the fluid to the bottom of the gate is reduced, and on the other hand, the noise of the gate valve is also reduced. The drainage unit outputs cloth-type jet flow on one side of the gate close to the input end through a plurality of groups of input holes so as to realize impact on mixed impurities in fluid, so that the impurities in the fluid are prevented from sliding over the surface of the gate when the fluid passes through the gate, and the sealing precision and the service life of the gate are greatly improved.

Further, the output end comprises an output flange and an output pipe, the output flange is fixedly connected with the output pipe, and one end, far away from the output flange, of the output pipe is fixedly connected with the valve body. The output flange is used for connecting with an external pipeline, and fluid flows through the output pipeline.

Compared with the prior art, the invention has the following beneficial effects: the connecting unit realizes unidirectional transmission, avoids the feedback of the stress state of the gate to the regulating wheel, and completes the self-locking of state regulation. According to the buffer unit, the working states of the reverse folding cavities are controlled through the movement of the gate, in the process of increasing the closing degree, a plurality of groups of reverse folding cavities generate a plurality of groups of reverse flushing fluid in the input pipe, so that layered blocking is formed on the input fluid, the impact force on the gate is greatly reduced, the damage degree of the gate is reduced, and the service life of the valve is prolonged. On the other hand, to the guide recoil of gate top layer water for the top layer water is to fluid center input, makes pipeline inner and outer layer water mix, has avoided pipeline heat transfer to lead to the inner and outer layer water to appear great difference in temperature, and water temperature's evenly distributed can reduce water local pressure differential, makes whole gate valve atress more even, in order to prolong its holistic life. The drainage unit moves along with the fluid passing through the gate through the rotating wheel, so that the relative flow velocity of the fluid and the bottom of the gate is reduced, on one hand, the abrasion of the fluid to the bottom of the gate is reduced, and on the other hand, the noise of the gate valve is also reduced. The drainage unit outputs cloth-type jet flow on one side of the gate close to the input end through a plurality of groups of input holes so as to realize impact on mixed impurities in fluid, so that the impurities in the fluid are prevented from sliding over the surface of the gate when the fluid passes through the gate, and the sealing precision and the service life of the gate are greatly improved.

Drawings

The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate the invention and together with the embodiments of the invention, serve to explain the invention. In the drawings:

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a partial cross-sectional view of the input end of the present invention;

FIG. 3 is an enlarged view of a portion of FIG. 2 at A;

FIG. 4 is a side cross-sectional view of the drainage unit of the present invention;

FIG. 5 is a telescopic rod distribution diagram of the present invention;

FIG. 6 is a schematic diagram of the control component structure of the present invention;

FIG. 7 is a schematic diagram of a control component drive of the present invention;

FIG. 8 is a diagram of a rotating wheel profile of the present invention;

in the figure: 1-control part, 11-control cavity, 12-control disk, 13-connection unit, 131-worm, 132-worm wheel, 133-first bevel gear, 134-second bevel gear, 135-connection rack, 136-fixed shaft, 14-lifting screw, 15-fixed nut, 16-adjusting wheel, 2-valve body, 3-valve rod, 4-gate, 41-drainage unit, 411-mounting groove, 412-rotating wheel, 413-drainage plate, 414-concentration cavity, 415-guiding pipe, 416-input hole, 5-input end, 51-input flange, 52-input pipe, 53-buffer unit, 531-telescopic rod, 532-guiding part, 5321-telescopic channel, 5322-reverse-folded cavity, 5323-lifting block, 5324-ejection spring, 533-connecting ring, 6-output end, 61-output flange, 62-output pipe.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

As shown in FIG. 1, the flat gate valve with the diversion adjusting function comprises a control part 1, a valve body 2, a valve rod 3, a gate 4, an input end 5 and an output end 6, wherein the control part 1 is fixedly connected with the top of the valve body 2, one end of the valve rod 3 is arranged inside the valve body 2, the other end of the valve rod 3 is fixedly connected with the control part 1, one end of the valve rod 3, which is far away from the control part 1, is fixedly connected with the gate 4, the gate 4 is arranged inside the valve body 2, the gate 4 is slidably connected with the valve body 2, the valve rod 3 is fixedly connected with the gate 4, one side of the valve body 2 is fixedly connected with the input end 5, and the other side of the valve body 2 is fixedly connected with the output end 6. Fluid enters the valve body 2 from the input end 5, and is discharged from the output end 6, the control part 1 adjusts the height of the valve rod 3, and the valve rod 3 drives the gate 4 to move up and down, so that the regulation of the open and close states is realized.

As shown in fig. 1, 6 and 7, the control part 1 comprises a control cavity 11, a control panel 12, a connecting unit 13, a lifting screw rod 14, a fixing nut 15 and an adjusting wheel 16, wherein the control cavity 11 is fixedly connected with the top of the valve body 2, the control panel 12 is rotatably connected with the control cavity 11, the control panel 12 is fixedly connected with the connecting unit 13, the lifting screw rod 14 is fixedly connected with the valve rod 3, the fixing nut 15 is sleeved on the lifting screw rod 14, the fixing nut 15 is meshed with the lifting screw rod 14, the control panel 12 is fixedly connected with the fixing nut 15, the adjusting wheel 16 is arranged on the side edge of the control cavity 11, and the adjusting wheel 16 is fixedly connected with the connecting unit 13. When the open-close state needs to be regulated, the regulating wheel 16 is rotated, the connecting unit 13 is driven by the regulating wheel 16, the fixing nut 15 is driven by the connecting unit 13 to rotate, the fixing nut 15 is meshed with the lifting screw rod 14, the lifting screw rod 14 is driven to move up and down, and the gate 4 is driven to move up and down by the lifting screw rod 14.

As shown in fig. 6, the connection unit 13 includes a worm 131, a worm wheel 132, a first bevel gear 133, a second bevel gear 134, a connection frame 135, and a fixed shaft 136, the worm 131, the fixed shaft 136, and the control chamber 11 are rotatably connected, the adjustment wheel 16 and the worm 131 are fixedly connected, the worm wheel 132, the first bevel gear 133, and the fixed shaft 136 are fixedly connected, the worm 131 and the worm wheel 132 are engaged, the first bevel gear 133 and the second bevel gear 134 are engaged, the second bevel gear 134 and the connection frame 135 are fixedly connected, and one end of the connection frame 135, which is far from the second bevel gear 134, is fixedly connected with the control panel 12. When the adjusting wheel 16 rotates, the adjusting wheel 16 drives the worm 131 to rotate, the worm 131 is meshed with the worm wheel 132 to drive the worm wheel 132 to rotate, the worm wheel 132 drives the first bevel gear 133 to rotate, the first bevel gear 133 is meshed with the second bevel gear 134, the first bevel gear 133 drives the second bevel gear 134 to rotate, the second bevel gear 134 drives the connecting frame 135 to rotate, and the connecting frame 135 drives the control panel 12 to rotate. The connecting unit 13 realizes unidirectional transmission, avoids the state feedback of the stress of the gate 4 to the regulating wheel 16, and completes the self-locking of state regulation.

As shown in fig. 2, the input end 5 includes an input flange 51, an input pipe 52, and a buffer unit 53, the input flange 51 and the input pipe 52 are fastened and connected, one end of the input pipe 52 away from the input flange 51 is fastened and connected with the valve body 2, and the buffer unit 53 is disposed inside the input pipe 52. The input flange 51 is connected with an external pipeline, fluid flows through the input pipe 52, and the buffer unit 53 performs diversion adjustment on the change of the fluid state so as to realize fluid buffer.

As shown in fig. 2, fig. 3, fig. 5, the buffer unit 53 includes adjustment channel, telescopic link 531, water conservancy diversion part 532, the go-between 533, the arc chamber, the adjustment channel is provided with the multiunit, multiunit adjustment channel is around buffer unit 53 evenly distributed, adjacent adjustment channel passes through the arc chamber intercommunication, telescopic link 531 sets up inside the adjustment channel, telescopic link 531 one end and adjustment channel fastening connection, telescopic link 531 inside is provided with and pulls the spring, the inside both ends fastening connection of telescopic link 531, the expansion end of telescopic link 531 that is located the inside of the most side adjustment channel is provided with the connecting rope, the one end that the connecting rope kept away from telescopic link 531 and gate 4 fastening connection, water conservancy diversion part 532 is provided with the multiunit, the multiunit water conservancy diversion part 532 is arranged along adjustment channel and is close to gate 4 one side, the telescopic link 531 expansion end that is located adjacent adjustment channel inside passes through go-between 533 fastening connection, go-between 533 and arc chamber sliding connection, water conservancy diversion part 533 includes telescopic link 5321, the time 5322, lifting block 5323, ejection spring 5324, telescopic link 5321 and adjustment channel intercommunication, time 5322 pass from the middle of telescopic link 5321, the telescopic link 5322, the both ends that are located the inside of the most side adjustment channel, the lifting block 5323, lifting block 5324, the both ends are located the same, lifting block 5323 and the top of lifting block 5324 are set up towards the top of the jack-off, the jack-off 5324 is set up, the jack-off, the same side is set up, the jack-down channel 5322, the top is set up, and the jack-down side is set up down, and the jack-down, and the jack is located down, and has. The connecting rope gradually pulls the telescopic rods 531 to extend in the process of gradually closing the gate 4, and the telescopic rods 531 pull the other telescopic rods 531 to extend through the connecting rings 533. In the process that the telescopic rod 531 stretches out, the telescopic rod 531 can sequentially contact with the guide inclined planes of the lifting blocks 5323, the lifting blocks 5323 are pressed by the telescopic rod 531, the ejection springs 5324 shrink, after the lifting blocks 5323 are pressed into the telescopic channel, the flow guide channel is conducted with the reverse-folded cavity 5322, fluid close to the inner wall in the input pipe 52 can be guided by the reverse-folded cavity 5322, the fluid can form reverse impact on fluid in the input pipe under the guidance of the reverse-folded cavity, and the number of layers for forming reverse impact can be increased in the process that the gate is closed. According to the invention, the buffer unit 53 controls the working state of each reverse-folding cavity through the movement of the gate 4, and in the process of increasing the closing degree, a plurality of groups of reverse-folding cavities generate a plurality of groups of reverse-flushing fluid in the input pipe, so that layered blocking is formed on the input fluid, the impact force on the gate is greatly reduced, the damage degree of the gate is reduced, and the service life of the valve is prolonged. On the other hand, to the guide recoil of gate top layer water for the top layer water is to fluid center input, makes pipeline inner and outer layer water mix, has avoided pipeline heat transfer to lead to the inner and outer layer water to appear great difference in temperature, and water temperature's evenly distributed can reduce water local pressure differential, makes whole gate valve atress more even, in order to prolong its holistic life.

As shown in fig. 4 and 8, the bottom of the gate 4 is provided with an arc edge, the radius of the arc edge is the same as that of the flow passage of the valve body 2, the arc edge is provided with drainage units 41, the drainage units 41 are provided with a plurality of groups, and the drainage units 41 of the plurality of groups are uniformly distributed around the arc edge. The arc edge of the gate 4 can coincide with the upper side of the flow passage of the valve body 2 when the gate 4 is opened, and the drainage unit 41 can reduce friction between water and the bottom of the gate 4, noise and abrasion.

As shown in fig. 4, the drainage unit 41 includes a mounting slot 411, a rotating wheel 412, a flow pushing plate 413, a centralized cavity 414, a guide tube 415, and an input hole 416, wherein the mounting slot 411 is disposed at an arc edge, the mounting slot 411 is configured as an arc, the rotating wheel 412 is rotationally connected with a side wall of the mounting slot 411, a mounting position of the rotating wheel 412 is eccentric to one side of the mounting slot 411 near the input end, the flow pushing plate 413 is fixedly connected with the rotating wheel 412, the flow pushing plate 413 is provided with a plurality of groups, the plurality of groups of flow pushing plates 413 are uniformly distributed around the rotating wheel 412, the centralized cavity 414 is disposed inside the gate 4, one end of the guide tube 415 is communicated with the centralized cavity 414, the other end of the guide tube 415 is communicated with one side of the arc edge near the input end 5, one end of the input hole 416 is communicated with the centralized cavity 414, and the other end of the input hole 416 is communicated with the bottom of one side of the gate 4 near the input end 5. When fluid flows through the bottom of the gate 4, the fluid contacts with the plug flow plate 413, the plug flow plate 413 is pushed by the fluid to drive the rotating wheel 412 to rotate, a wedge-shaped space is formed between the rotating wheel 412 and the mounting groove 411 due to the eccentric arrangement of the rotating wheel 412, the plug flow plate 413 can drive the fluid to rush into the wedge-shaped space in the rotating process of the rotating wheel 412, the fluid is extruded into the guide tube 415 along with the space shrinkage, the guide tube 415 inputs the fluid into the collecting cavity 414, and the fluid in the collecting cavity 414 is discharged through the input hole 416. The flow guiding unit 41 of the present invention follows the movement of the fluid passing through the gate 4 by means of the rotating wheel 412, reducing the relative flow velocity of the fluid and the bottom of the gate 4, on the one hand reducing the wear of the fluid on the bottom of the gate 4, and on the other hand reducing the noise of the gate valve. The drainage unit 41 outputs cloth-type jet flow on one side of the gate 4 close to the input end through a plurality of groups of input holes so as to impact mixed impurities in fluid, so that the impurities in the fluid are prevented from sliding over the surface of the gate 4 when the fluid passes through the gate 4, and the sealing precision and the service life of the gate 4 are greatly improved.

As shown in fig. 1, the output end 6 comprises an output flange 61 and an output pipe 62, the output flange 61 is fixedly connected with the output pipe 62, and one end of the output pipe 62 away from the output flange 61 is fixedly connected with the valve body 2. The output flange 61 is adapted to be connected to an external pipe through which fluid flows from the output pipe 62.

The working principle of the invention is as follows: when fluid enters the valve body 2 from the input end 5 and the open and close state needs to be regulated, the regulating wheel 16 is rotated, the regulating wheel 16 drives the connecting unit 13, the connecting unit 13 drives the fixing nut 15 to rotate, the fixing nut 15 is meshed with the lifting screw rod 14, the lifting screw rod 14 is driven to move up and down, and the lifting screw rod 14 drives the gate 4 to move up and down. The connecting rope gradually pulls the telescopic rods 531 to extend in the process of gradually closing the gate 4, and the telescopic rods 531 pull the other telescopic rods 531 to extend through the connecting rings 533. In the process that the telescopic rod 531 stretches out, the telescopic rod 531 can sequentially contact with the guide inclined planes of the lifting blocks 5323, the lifting blocks 5323 are pressed by the telescopic rod 531, the ejection springs 5324 shrink, after the lifting blocks 5323 are pressed into the telescopic channel, the flow guide channel is conducted with the reverse-folded cavity 5322, fluid close to the inner wall in the input pipe 52 can be guided by the reverse-folded cavity 5322, the fluid can form reverse impact on fluid in the input pipe under the guidance of the reverse-folded cavity, and the number of layers for forming reverse impact can be increased in the process that the gate is closed. When fluid flows through the bottom of the gate 4, the fluid contacts with the plug flow plate 413, the plug flow plate 413 is pushed by the fluid to drive the rotating wheel 412 to rotate, a wedge-shaped space is formed between the rotating wheel 412 and the mounting groove 411 due to the eccentric arrangement of the rotating wheel 412, the plug flow plate 413 can drive the fluid to rush into the wedge-shaped space in the rotating process of the rotating wheel 412, the fluid flowing into the guide tube 415 can be extruded into the guide tube 415 along with the space shrinkage, the guide tube 415 inputs the fluid into the collecting cavity 414, the fluid in the collecting cavity 414 is discharged through the input hole 416, and the fluid passing through the gate is discharged from the output end 6 to the valve body 2.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

The foregoing description is only a preferred embodiment of the present invention, and the present invention is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present invention has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides an attach flat gate valve of water conservancy diversion regulatory function which characterized in that: the flat gate valve comprises a control part (1), a valve body (2), a valve rod (3), a gate (4), an input end (5) and an output end (6), wherein the control part (1) is fixedly connected with the top of the valve body (2), one end of the valve rod (3) is arranged inside the valve body (2), the other end of the valve rod (3) is fixedly connected with the control part (1), the valve rod (3) is far away from one end of the control part (1) and the gate (4) and is fixedly connected with the gate, the gate (4) is arranged inside the valve body (2), the gate (4) is slidably connected with the valve body (2), one side of the valve body (2) is fixedly connected with the input end (5), and the other side of the valve body (2) is fixedly connected with the output end (6).

2. The flat gate valve with a diversion adjusting function according to claim 1, wherein: the control part (1) comprises a control cavity (11), a control disc (12), a connecting unit (13), a lifting screw (14), a fixing nut (15) and an adjusting wheel (16), wherein the control cavity (11) is fixedly connected with the top of the valve body (2), the control disc (12) is rotationally connected with the control cavity (11), the control disc (12) is fixedly connected with the connecting unit (13), the lifting screw (14) is fixedly connected with the valve rod (3), the fixing nut (15) is sleeved on the lifting screw (14), the fixing nut (15) is meshed with the lifting screw (14), the control disc (12) is fixedly connected with the fixing nut (15), and the adjusting wheel (16) is arranged on the side edge of the control cavity (11) and is fixedly connected with the connecting unit (13).

3. The flat gate valve with a diversion adjusting function according to claim 2, wherein: the connecting unit (13) comprises a worm (131), a worm wheel (132), a first bevel gear (133), a second bevel gear (134), a connecting frame (135) and a fixed shaft (136), wherein the worm (131), the fixed shaft (136) and the control cavity (11) are rotationally connected, the adjusting wheel (16) is fixedly connected with the worm (131), the worm wheel (132), the first bevel gear (133) and the fixed shaft (136) are fixedly connected, the worm (131) is meshed with the worm wheel (132), the first bevel gear (133) is meshed with the second bevel gear (134), the second bevel gear (134) is fixedly connected with the connecting frame (135), and one end, far away from the second bevel gear (134), of the connecting frame (135) is fixedly connected with the control disc (12).

4. A flat gate valve with a diversion adjustment function according to claim 3, wherein: the input end (5) comprises an input flange (51), an input pipe (52) and a buffer unit (53), wherein the input flange (51) is fixedly connected with the input pipe (52), one end, far away from the input flange (51), of the input pipe (52) is fixedly connected with the valve body (2), and the buffer unit (53) is arranged inside the input pipe (52).

5. The flat gate valve with a diversion adjusting function according to claim 4, wherein: the buffer unit (53) comprises a regulating channel, a telescopic rod (531), a guide component (532), a connecting ring (533) and an arc-shaped cavity, wherein a plurality of groups of regulating channels are arranged, the regulating channels are uniformly distributed around the buffer unit (53), adjacent regulating channels are communicated through the arc-shaped cavity, the telescopic rod (531) is arranged inside the regulating channel, one end of the telescopic rod (531) is fixedly connected with the regulating channels, a pulling spring is arranged inside the telescopic rod (531), the pulling spring is fixedly connected with two ends inside the telescopic rod (531), a connecting rope is arranged at the movable end of the telescopic rod (531) inside the uppermost regulating channel, one end of the connecting rope, far away from the telescopic rod (531), is fixedly connected with the gate (4), a plurality of groups of guide component (532) are arranged at one side, close to the gate (4) along the regulating channel, the telescopic rod (531) inside the adjacent regulating channels is fixedly connected with the connecting ring (533), the connecting ring (533) and the arc-shaped cavity are slidingly connected, the guide component (5321) comprises a folding channel (5321), a folding cavity (5322) and a lifting cavity (5322) are respectively pushed out from the two sides of the regulating channel, the folding channel (5322) are communicated with each other, the folding channel (5322) and the two sides of the folding channel (53) are communicated with each other, the utility model discloses a gate, including gate (4) and lift piece (5323), lift piece (5323) and flexible passageway (5321), lift piece (5323) and lift piece (5323) fixed connection, lift piece (5324) other end and flexible passageway (5321) inner wall fixed connection, lift piece (5323) top is provided with the guide slope, lift piece (5323) intermediate position is provided with the water conservancy diversion passageway.

6. The flat gate valve with a diversion adjusting function according to claim 5, wherein: the bottom of the gate (4) is provided with an arc edge, the radius of the arc edge is the same as that of a circulating channel of the valve body (2), the arc edge is provided with drainage units (41), the drainage units (41) are provided with a plurality of groups, and the drainage units (41) are uniformly distributed around the arc edge.

7. The flat gate valve with a diversion adjustment function according to claim 6, wherein: the drainage unit (41) comprises a mounting groove (411), a rotating wheel (412), a plug flow plate (413), a concentrated cavity (414), a guide tube (415) and an input hole (416), wherein the mounting groove (411) is arranged at the arc side, the mounting groove (411) is arranged to be circular arc, the rotating wheel (412) and the side wall of the mounting groove (411) are rotationally connected, the mounting position of the rotating wheel (412) is eccentric towards one side of the mounting groove (411) close to the input end (5), the plug flow plate (413) and the rotating wheel (412) are in fastening connection, the plug flow plate (413) is provided with a plurality of groups, the plug flow plates (413) are evenly distributed around the rotating wheel (412), the concentrated cavity (414) is arranged inside the gate (4), one end of the guide tube (415) is communicated with the concentrated cavity (414), the other end of the guide tube (415) is communicated with one side of the arc side, close to the input end (5), and one end of the input hole (416) is communicated with the concentrated cavity (414), and the other end of the gate (416) is communicated with one side, close to the bottom, close to the input end (5).

8. The flat gate valve with a diversion adjustment function according to claim 7, wherein: the output end (6) comprises an output flange (61) and an output pipe (62), the output flange (61) is fixedly connected with the output pipe (62), and one end, far away from the output flange (61), of the output pipe (62) is fixedly connected with the valve body (2).