阅读说明：本技术 一种流量自动控制阀门 (Automatic flow control valve ) 是由 金生华 于 2019-08-01 设计创作，主要内容包括：本发明公开了一种流量自动控制阀门,与水箱固定连接,包括：阀门本体,阀门本体设有第一空间以及第二空间,第一空间以及第二空间通过第一通孔连通：阀芯,垂直于第一通孔设置,用于控制第一通孔的工作状态；驱动组件,用于控制所述阀芯的工作状态；水位控制组件,通过水位控制驱动组件的工作状态。本发明通过驱动组件配合水位控制组件控制阀芯与第一通孔的工作状态,降低操作难度,调控精度高,且随着水位的上升控制阀芯下降的高度,控制水流的流量。(The invention discloses an automatic flow control valve, which is fixedly connected with a water tank and comprises: the valve body, the valve body is equipped with first space and second space, and first space and second space are through first through-hole intercommunication: the valve core is arranged perpendicular to the first through hole and used for controlling the working state of the first through hole; the driving assembly is used for controlling the working state of the valve core; and the water level control assembly controls the working state of the driving assembly through the water level. The driving assembly is matched with the water level control assembly to control the working states of the valve core and the first through hole, so that the operation difficulty is reduced, the regulation and control precision is high, the descending height of the valve core is controlled along with the rising of the water level, and the flow of water flow is controlled.)

1. An automatic flow control valve, comprising:

the valve body, the valve body is equipped with first space and second space, first space and second space are through first through-hole intercommunication:

the valve core is arranged perpendicular to the first through hole and used for controlling the working state of the first through hole;

the driving assembly is used for controlling the working state of the valve core;

and the water level control assembly controls the working state of the driving assembly through the water level.

2. The automatic flow control valve of claim 1, wherein the drive assembly comprises: a driving disc and a supporting frame; a first groove part is arranged at the contact end of the valve core and the driving disc; the driving disc is provided with a second groove part matched with the first groove part, and the groove parts are provided with a plurality of high points and a plurality of low points; one end of the support frame is fixedly connected with the valve body, and the other end of the support frame is rotatably connected with the driving disc.

3. The automatic flow control valve according to claim 2, wherein the support frame is fixedly connected with a fixed cover, and the driving disc is rotatably arranged between the fixed cover and the support frame; the support frame and the driving disc are arranged on the inner side of the fixed cover.

4. The automatic flow control valve of claim 3, wherein the water level control assembly comprises: the device comprises a driving rope, a coil spring, a buoy, a balancing weight, a telescopic rod, an adjusting block and a bolt; the coil spring is arranged between the driving disc and the fixed cover; the buoy and the balancing weight are fixedly connected with the telescopic rod; the telescopic rod is provided with a sliding chute for sliding the adjusting block; the adjusting block is fixedly connected with the telescopic rod through a bolt; one end of the driving rope is connected with the adjusting block; the other end of the driving rope is fixedly connected with the side wall of the driving disk.

5. The automatic flow control valve of claim 1, wherein the valve element has a first sealing ring and a second sealing ring on the contact surface with the valve body.

6. The automatic flow control valve according to claim 2, wherein a telescopic sealing ring is sleeved between the outer side wall of the valve body and the first groove portion.

7. The automatic flow control valve according to claim 2, wherein the valve body is provided with a plurality of protrusions, and the support frame is provided with a plurality of third groove portions for sliding the protrusions.

8. The automatic flow control valve of claim 3, wherein the drive plate is fixed with a positioning rod, and the fixing cover is provided with a kidney-shaped hole for the positioning rod to pass through.

9. The automatic flow control valve of claim 4, further comprising: a guide block and a cover plate; the guide block is fixedly connected with the cover plate, and a semi-arc surface used for the driving rope to penetrate is arranged between the cover plate and the guide block.

Technical Field

The invention relates to a valve, in particular to an automatic flow control valve.

Background

At present, the water storage of a water tank is usually controlled by a solenoid valve or a hydraulic control valve, and basically, water is supplied at a low water level and is stopped at a high water level. The highest water level of the water tank needs to be controlled through an adjusting electromagnetic valve or a hydraulic valve, the operation difficulty is high, the adjusting and controlling precision is not high, and the electromagnetic valve primary hydraulic valve can only control the opening and closing of the valve and cannot control the flow of water flow in the working process of the valve.

Disclosure of Invention

The invention aims to provide an automatic flow control valve which can effectively solve the technical problems.

In order to achieve the purpose of the invention, the following technical scheme is adopted: an automatic flow control valve fixedly connected with a water tank comprises:

the valve body, the valve body is equipped with first space and second space, first space and second space are through first through-hole intercommunication:

the valve core is arranged perpendicular to the first through hole and used for controlling the working state of the first through hole;

the driving assembly is used for controlling the working state of the valve core;

and the water level control assembly controls the working state of the driving assembly through the water level.

Preferably, the drive assembly comprises: a driving disc and a supporting frame; a first groove part is arranged at the contact end of the valve core and the driving disc; the driving disc is provided with a second groove part matched with the first groove part, and the groove parts are provided with a plurality of high points and a plurality of low points; one end of the support frame is fixedly connected with the valve body, and the other end of the support frame is rotatably connected with the driving disc.

Preferably, the supporting frame is fixedly connected with a fixed cover, and the driving disc is rotatably arranged between the fixed cover and the supporting frame; the support frame and the driving disc are arranged on the inner side of the fixed cover.

Preferably, the water level control assembly comprises: the device comprises a driving rope, a coil spring, a buoy, a balancing weight, a telescopic rod, an adjusting block and a bolt; the coil spring is arranged between the driving disc and the fixed cover; the buoy and the balancing weight are fixedly connected with the telescopic rod; the telescopic rod is provided with a sliding chute for sliding the adjusting block; the adjusting block is fixedly connected with the telescopic rod through a bolt; one end of the driving rope is connected with the adjusting block; the other end of the driving rope is fixedly connected with the side wall of the driving disk.

Preferably, a first sealing ring and a second sealing ring are arranged on the contact surface of the valve core and the valve body.

Preferably, a telescopic sealing ring is sleeved between the outer side wall of the valve body and the first groove part.

Preferably, the valve core is provided with a plurality of protruding portions, and the support frame is provided with a plurality of third groove portions for the protruding portions to slide.

Preferably, a positioning rod is fixed on the driving disk, and the fixing cover is provided with a kidney-shaped hole for the positioning rod to pass through.

Preferably, the water tank is fixed with a guide block; the guide block is fixed with the apron, the apron and all be equipped with the half cambered surface that is used for the drive rope to pass between the guide block.

Compared with the prior art, the invention has the following beneficial effects:

1. the driving assembly is matched with the water level control assembly to control the working state of the valve core and the first through hole and control the flow velocity condition of liquid in the first space and the second space, the operation difficulty is low, the regulation and control precision is high, and the height of the valve core descending is controlled along with the rising of the water level to control the flow of water flow.

2. The positioning rod drives the rotating disc to rotate, so that the working state of the valve core is conveniently controlled manually, the valve is convenient to overhaul, and meanwhile, the valve is convenient for a technician to operate. The positioning rod is matched with the waist-shaped hole to control the rotating range of the rotating disc, so that the possibility of dislocation of the rotating disc in the rotating process is reduced, and the service life of the valve is prolonged.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the description of the embodiments are briefly introduced below.

FIG. 1 is a schematic view of an overall structure of an automatic flow control valve according to an embodiment of the present invention;

FIG. 2 is a sectional view of the entire structure of the automatic flow control valve according to the embodiment of the present invention;

FIG. 3 is an exploded view of the overall structure of the automatic flow control valve according to the embodiment of the present invention;

fig. 4 is a partially enlarged view of an automatic flow control valve a according to an embodiment of the present invention.

Description of the figures

1. Water tank 2, valve body 3, first space 4, second space 5, first through-hole

6. Valve core 7, driving disc 8, support frame 9, fixed cover 10 and first groove part

11. Second groove portion 12, driving rope 13, coil spring 14, buoy 15 and balancing weight

16. Telescopic link 17, regulating block 18, bolt 19, spout 20, first sealing washer

21. Second seal ring 22, telescopic seal ring 23, boss 24 and third groove part

25. Positioning rod 26, cover plate 27, buffer sealing ring 28, waist-shaped hole 29 and guide block.

Detailed Description

The technical solution of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

As shown in fig. 1, an automatic flow control valve is fixedly connected to a water tank 1, the water tank 1 is provided with a water outlet and a water inlet, and the water inlet is connected to a valve body 2.

As shown in fig. 2, the valve body 2 is provided with a first space 3 and a second space 4, the first space 3 and the second space 4 are communicated through a first through hole 5, water passes through the first through hole 5 from the first space 3, then enters the second space 4 from the first through hole, and finally flows into the water tank 1 from the second space 4.

As shown in fig. 4, a first seal ring 20 and a second seal ring 21 are provided on the contact surface of the valve body 2 with the valve body 6, to reduce water leakage.

As shown in FIG. 2, the first through hole 5 controls the working state through the valve core 6, a buffer sealing ring 27 is arranged at the contact end of the valve core 6 and the first through hole 5, and the buffer sealing ring 27 reduces the rigid impact between the valve core 6 and the third through hole and plays a role in sealing. The valve core 6 is arranged perpendicular to the first through hole 5, and the valve core 6 controls the working state through the driving assembly.

As shown in fig. 4, the driving assembly includes: driving disc 7, support frame 8. The contact end of the valve core 6 and the driving disk 7 is provided with a first groove portion 10, and the driving disk 7 is provided with a second groove portion 11 matched with the first groove portion 10. The first groove portion 10 and the second groove portion 11 are both provided with two high points and two low points. The telescopic sealing ring 22 is sleeved between the outer side wall of the valve body 2 and the first groove portion 10, two ends of the telescopic sealing ring 22 are fixedly connected with the valve body 2 and the first groove portion 10 respectively, and the telescopic sealing ring 22 goes up and down along with the valve core 6 and further seals the valve core 6 and the valve body 2.

As shown in fig. 2 and 4, the driving disc 7 rotates around the axis of the valve core 6, and when the high point of the first groove 10 contacts the low point of the second groove, the valve core 6 blocks the first through hole 5, and the water tank 1 stops feeding water. When the driving disc 7 drives the low point of the second groove portion 11 to move from the high point of the first groove portion 10 to the low point, the valve core 6 continuously moves upwards under the action of water pressure, and the flow rate of water at the moment is increased along with the rotation of the driving disc 7.

Support frame 8 fixedly connected with fixed lid 9, driving-disc 7 rotate locate between fixed lid 9 and support frame 8, and the inboard of fixed lid 9 is all located to support frame 8 and driving-disc 7. When the driving disk 7 drives the low point of the second groove portion 11 to move to the high point of the first groove portion 10, the valve core 6 is completely separated from the first through hole 5, and the flow rate of water at this time is in a maximum state. The drive plate 7 is fixed with a positioning rod 25, and the fixing cover 9 is provided with a kidney-shaped hole 28 for the positioning rod 25 to pass through. The positioning rod 25 is matched with the waist-shaped hole 28 to limit the driving disc 7, so that the phenomenon of dislocation in the motion process of the driving disc 7 is reduced. Meanwhile, the positioning rod 25 can manually rotate the driving disk 7 to drive the valve core 6 to move upwards to open the first through hole 5, so that the flow of water is controlled.

8 bottom and the 2 fixed connection of valve body of support frame, 8 tops of support frame are connected with driving-disc 7 rotation, and driving-disc 7 rotates and locates between fixed lid 9 and the support frame 8. Support frame 8 and driving-disc 7 all locate the inboard of fixed lid 9, and fixed lid 9 and support frame 8 fixed connection. In order to avoid that the valve element 6 rotates together with the drive disc 7, the valve element 6 is provided with a plurality of protrusions 23 and the support 8 is provided with a plurality of third groove portions 24 for the protrusions 23 to slide.

As shown in fig. 2 and 3, the driving assembly adjusts the rotation angle by a water level control assembly, which includes: driving rope 12, coil spring 13, buoy 14, balancing weight 15, telescopic rod 16, adjusting block 17 and bolt 18. The coil spring 13 is arranged between the driving disc 7 and the fixing cover 9, the coil spring 13 is provided with two matching ends, the driving disc 7 is provided with a first fixing frame matched with one end of the coil spring 13, and the fixing cover 9 is provided with a second fixing frame matched with the other end of the coil spring 13. When the driving disc 7 needs to reset, the coil spring 13 drives the driving disc 7 to reset through the contraction force.

As shown in fig. 3, the buoy 14 and the weight block 15 are both fixedly connected to the telescopic rod 16, the buoyancy of the buoy 14 is greater than the gravity of the weight block 15, the telescopic rod 16 is provided with a sliding groove 19 for adjusting the sliding block, and the adjusting block 17 is fixedly connected to the telescopic rod 16 through a bolt 18. One end of the driving rope 12 is fixedly connected with the adjusting block 17, the other end of the driving rope 12 is fixedly connected with the side wall of the driving disc 7, and the driving disc 7 drives the driving rope 12 to wind along the outer side wall of the driving disc 7 when rotating.

The adjusting block 17 is matched with the telescopic rod 16 through a bolt 18 to control a warning line of the water level and control the working state of the driving disk 7. A guide block 29 is fixed on the water tank 1, a cover plate 26 is fixed on the guide block 29, and a semi-arc surface for the driving rope 12 to pass through is arranged between the cover plate 26 and the guide block 29. The water tank 1 is further fixed with a guide wheel, the guide wheel is arranged between the telescopic rod 16 and the guide block 29, the guide wheel is matched with the guide block 29 to reduce abrasion of the driving rope 12, and the service life of the driving rope 12 is prolonged.

As shown in fig. 2 to 4, during operation, when the water level of the water tank 1 is lowered, the counterweight 15 drives the telescopic rod 16 to move downwards, the telescopic rod 16 drives the adjusting block 17 to move downwards, the adjusting block 17 is fixedly connected with the driving rope 12, the driving rope 12 moves downwards along with the adjusting block 17, the driving rope 12 moves along the guide wheel and the guide block 29 to drive the driving disc 7 to rotate, the low point of the driving disc 7 moves from the high point of the valve core 6 to the low point of the valve core 6, the valve core 6 is gradually opened, water enters the first through hole 5 from the first space 3 of the valve body 2, enters the second space 4 from the first through hole 5, and finally enters the water tank 1 from the second space 4.

When the water inflow of the water tank 1 is smaller than the water outflow, the telescopic rod 16 continues to move downwards, the driving rope 12 drives the high point of the driving disc 7 to move to the low point of the valve core 6, the first through hole 5 is completely opened, and the flow of water is maximum at the moment.

When the water inflow of the water tank 1 is greater than the water outflow of the water tank 1, the telescopic rod 16 starts to move upwards, the coil spring 13 drives the low point of the second groove portion 11 to move from the low point of the first groove portion 10 to the high point of the first groove portion 10, and the driving rope 12 is wound along the outer side wall of the driving disc 7. When the water level has passed the safety line, the coil spring 13 brings the low point of the second groove portion 11 into contact with the high point of the first groove portion 10, the valve core 6 is completely blocked, and the water tank 1 stops water inflow.

Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention.