CN212506162U

CN212506162U - Flow-regulating water-filling valve

Info

Publication number: CN212506162U
Application number: CN202021074458.9U
Authority: CN
Inventors: 贺高年; 刘细龙; 黄峻
Original assignee: Guangdong Hydropower Planning & Design Institute
Current assignee: Guangdong Hydropower Planning & Design Institute
Priority date: 2020-06-11
Filing date: 2020-06-11
Publication date: 2021-02-09
Anticipated expiration: 2030-06-11

Abstract

The utility model discloses a flow-regulating water filling valve, including valve body, disk seat, case, valve gap, valve rod and direction, the valve body have with case sliding connection's valve pocket, the valve body top has the disk seat is equipped with the opening with the valve pocket intercommunication on the disk seat, the valve gap is used for this opening of closing cap, and valve gap, valve rod and case top are fixed, and axial slip can be done along the direction to case and valve rod, and the case extends in the valve pocket along the slip direction of case, and the lateral part of case is opened has the bar groove that extends along the slip direction of valve body, and this bar groove side direction link up the case, sets up the length, width and the quantity of each other bar groove of each group according to the required rate of filling water of each. The utility model discloses can improve flow control precision to each position of adaptation tunnel is different, the big rate control requirement that fills of difference.

Description

Flow-regulating water-filling valve

Technical Field

The utility model relates to a water and electricity engineering technology, concretely relates to flow control water filling valve device.

Background

In hydroelectric engineering, a water filling valve installed on a gate is often used to fill a tunnel behind the gate with water. The water filling valve is generally connected with a hoist of the hoist through a stretcher beam, and is operated in a linkage manner through a winch to open and close the water filling valve.

The defects of the existing commonly used water filling valve are as follows: the overflow area is large, the opening travel is short, and only the water filling valve can be operated to be fully opened or fully closed. However, the water filling valve for the high-pressure diversion tunnel needs to adjust the flow according to different water filling flow requirements of various parts of the tunnel, and the gate linked with the water filling valve is generally opened and closed by operating the gate by a winch, so that the speed is high, and the valve cannot be accurately adjusted.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model aims to provide a flow-regulating water-filling valve which can improve the flow control precision so as to adapt to the different water filling rate control requirements of all parts of a tunnel.

The purpose of the utility model is realized through the following technical scheme:

the utility model provides a flow-regulating water filling valve, includes valve body, disk seat, case, valve gap, valve rod and guide part, the valve body have with case sliding connection's valve pocket, the guide part is fixed in the valve pocket inner wall, the valve body top has the disk seat is equipped with the opening with the valve pocket intercommunication on the disk seat, the valve gap is used for this opening of closing cap, and the valve gap is fixed with the case top, the valve rod is fixed in the valve gap top and upwards stretches out, the case is guided by the guide part and is made the axial slip, the valve rod is at the case drive down linkage axial slip, the case extends in the valve pocket along the slip direction of case, the lateral part of case is opened has the bar groove that extends along the slip direction.

Further, the strip-shaped groove extends from the top of the valve core to the bottom of the valve core.

Furthermore, a through groove is formed in the side portion of the valve core, and the length of the through groove is smaller than that of the strip-shaped groove.

Further, the through groove is located at the lower half part of the valve core.

Further, the strip-shaped grooves and the through grooves are multiple and are distributed around the periphery of the valve core respectively.

Further, the strip-shaped grooves and the through grooves are arranged at intervals.

Furthermore, the valve cover is matched with the opening through a conical surface, and an elastic sealing piece is arranged on the conical surface.

Compared with the prior art, the utility model discloses following beneficial effect has:

the utility model discloses a configuration case's slip, when making the case slide for the valve body, it stretches out and can be used to intake in open-ended part, and the configuration in bar groove makes the slip of case remove can more accurate control inflow to realize the regulation flow, adopt case, two direction of valve rod, make the case more stable.

Drawings

Fig. 1 is a schematic structural view of the flow-regulating water-filling valve of the present invention;

FIG. 2 is a schematic view of the sectional view of the flow regulating water filling valve of the present invention;

fig. 3 is a schematic view of an installation elevation of the flow regulating water filling valve of the present invention;

fig. 4 is a schematic view of the flow regulating water filling valve of the present invention in a closed state;

fig. 5 is a schematic view of the flow regulating water filling valve of the present invention in an open state.

In the figure: 1. a valve body; 2. a valve seat; 3. a valve core; 4. a valve cover; 5. a valve cavity; 6. an opening; 7. a strip-shaped groove; 8. a through groove; 9. a stretcher bar; 10. a valve stem; 11. a gate; 12. a hanger plate; 13. a hanging shaft; 14. a strip-shaped hanging hole; 15. a guide portion; 16. and (5) sealing rings.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

As shown in fig. 1, the flow-regulating water-filling valve comprises a valve body 1, a valve seat 2, a valve core 3, a valve cover 4, a valve rod 10 and a guide part 15, wherein the valve body 1 is provided with a valve cavity 5 connected with the valve core 3 in a sliding manner, the guide part 15 is fixed on the inner wall of the valve cavity 5, the valve seat 2 is arranged at the top of the valve body 1, an opening 6 communicated with the valve cavity 5 is arranged on the valve seat 2, the valve cover 4 is used for sealing the opening 6, the valve cover 4 is fixed with the top of the valve core 3, the valve rod 10 is fixed with the top of the valve cover 4 and extends upwards, the valve core 3 is guided by the guide part 15 to slide axially, the valve rod 10 is driven by the valve core 3 to slide axially in a linkage manner, the valve core 3 extends in the valve cavity 5 along the sliding direction of the valve core 3, the side part of the valve core 3 is provided with a strip-shaped groove 7 extending along the sliding direction of the valve body 1, the strip-shaped groove 7 laterally penetrates through the valve core 3, and the length, the width and the number of the strip-shaped groove 7 are set according to the required water filling rate of each part of the tunnel.

Through the sliding of the valve core 3, when the valve core 3 slides relative to the valve body 1, the part of the valve core 3 extending out of the opening 6 can be used for water inflow, and due to the arrangement of the strip-shaped groove 7, the sliding movement of the valve core 3 can more accurately control the water inflow, so that the flow can be adjusted, and the problem that the flow cannot be accurately controlled due to full opening or full closing of a conventional water filling valve is effectively solved. The guide portion 15 may be made of wear-resistant material to form a guide ring.

As shown in fig. 4 and 5, the valve cover 4 is switched between positions for closing the opening 6 and opening the opening 6 in accordance with the sliding reciprocation of the valve body 1. When between the state of closing opening 6 and opening 6, bar groove 7 exposes this moment, and the volume that case 3 slided corresponds the exposed how much of bar groove 7 to reach the purpose of accurate control inflow flow. The number of the strip-shaped grooves 7 can be one or more. Of course, the length and the width of the strip-shaped groove 7 are not limited to the above, the strip-shaped grooves 7 with different widths, lengths and numbers are arranged on the valve core 3, and the lifting of the valve core 3 can control the flow area of the strip-shaped groove on the valve core 3, so that the flow can be adjusted to meet the water filling flow requirements of different parts of the high-pressure tunnel. The valve cover 4 and the opening 6 are engaged with each other by a tapered surface, and when they are brought into contact with each other, the flow is blocked, and an elastic seal member is provided on the tapered surface, and preferably, a seal ring 16 is provided on the inner side of the valve cover 4, so that the flow is further blocked when the opening 6 is brought into close contact with each other.

Preferably, the strip-shaped grooves 7 and the through grooves 8 are distributed around the periphery of the valve core 3, and when the strip-shaped grooves 7 and the through grooves 8 are combined to form groups with different lengths or widths, the groups are uniformly, alternately and symmetrically arranged, so that the flow regulation and control are more uniform, and the energy dissipation is more sufficient.

As shown in fig. 2 to 5, the flow regulating control device of the present embodiment includes a load beam 9, a gate 11, a hanging plate 12, a hanging shaft 13 and the flow regulating water charging valve, wherein the load beam 9, the gate 11, the hanging plate 12, the hanging shaft 13 are linked with an opening and closing machine, one end of a valve rod 10 is fixed to the load beam 9, the other end of the valve rod 10 is fixed to the valve cap 4, one end of the hanging plate 12 is fixed to the load beam 9, the other end of the hanging plate 12 is provided with a strip-shaped hanging hole 14, one end of the hanging shaft 13 is fixed to the gate 11, and the other end of the hanging. Wherein, the hanger plates 12 are symmetrically arranged below the stretcher beam 9 to form stable guiding.

The load beam 9 is connected with the hoist through a sling, and the hoist operates the lifting of the valve core 3 through the wire rope. The stretcher beam 9 of the embodiment is respectively connected with the gate 11 and the valve core 3 through the hanging plate 12 and the valve rod 10, and the hanging shaft 13 is arranged in a strip-shaped hanging hole 14 on the hanging plate 12, so that the hanging plate 12 can slide in the range of the long circular hanging hole before the hoist lifts the gate 11, and the hoist can control the lifting and the opening of the valve core 3 in the range.

The embodiments of the present invention are not limited to the above embodiments, and according to the contents of the above embodiments of the present invention, the above preferred embodiments can also make modifications, replacements or combinations in various forms without departing from the basic technical idea of the present invention and without conflict, and the obtained other embodiments all fall within the scope of the present invention.

Claims

1. The utility model provides a flow-regulating water filling valve, its characterized in that includes valve body, disk seat, case, valve gap, valve rod and guide part, the valve body have with case sliding connection's valve pocket, the guide part is fixed in the valve pocket inner wall, the valve body top has the disk seat is equipped with the opening with the valve pocket intercommunication on the disk seat, the valve gap is used for the closing cap this opening, and the valve gap is fixed with the case top, the valve rod is fixed in the valve gap top and upwards stretches out, the case is guided by the guide part and is made the axial slip, the valve rod is the linkage axial slip under the case drives, the case extends in the valve pocket along the slip direction of case, the lateral part of case is opened has the bar groove that extends along the slip direction.

2. The flow regulating fill valve of claim 1, wherein the strip groove extends from the top of the valve core to the bottom of the valve core.

3. The flow-regulating water filling valve according to claim 1 or 2, wherein the side of the valve core is further provided with a through groove, and the length of the through groove is smaller than that of the strip-shaped groove.

4. The flow regulating fill valve of claim 3, wherein the channel is located on a lower half of the poppet.

5. The flow regulating water filling valve of claim 3, wherein the plurality of strip-shaped grooves and the plurality of through grooves are distributed around the periphery of the valve core respectively.

6. A flow regulating water filling valve as claimed in claim 5 wherein the strip-shaped grooves and the through grooves are arranged alternately.

7. A flow regulating water filling valve as claimed in claim 1 wherein the valve cover engages the opening with a conical surface and the conical surface is provided with a resilient seal.