CN212004318U - Accurate adjusting valve - Google Patents
Accurate adjusting valve Download PDFInfo
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- CN212004318U CN212004318U CN202020445574.0U CN202020445574U CN212004318U CN 212004318 U CN212004318 U CN 212004318U CN 202020445574 U CN202020445574 U CN 202020445574U CN 212004318 U CN212004318 U CN 212004318U
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Abstract
The utility model relates to the technical field of valve design and manufacture, and discloses an accurate adjusting valve, which comprises a valve body, a valve plate and a valve shaft, wherein the valve plate comprises a rectangular left valve plate and a rectangular right valve plate, and the inner side surfaces of the left valve plate and the right valve plate are attached and connected in a sliding manner; the positions, close to the outer side face, on the upper end faces of the left valve plate and the right valve plate are respectively and integrally provided with a straight rack in the sliding direction, tooth surfaces of the straight racks on the left valve plate and the right valve plate are oppositely arranged, and the right end face of the left valve plate and the left end face of the right valve plate are respectively provided with opposite V-shaped notches; the bottom end of the valve shaft is of a gear structure, and the valve shaft is respectively meshed with the straight racks on the left valve plate and the right valve plate through the gear structure at the bottom end; the valve body is provided with a rectangular cavity matched with the valve plate, and the front end face and the rear end face of the valve body are respectively provided with a connecting pipeline. The utility model has the advantages that: the flow regulating device is reasonable and compact in structure, high in stability, large in flow regulating range and high in regulating precision.
Description
Technical Field
The utility model relates to a valve design and manufacturing technical field especially relate to an accurate adjusting valve.
Background
At present, in a flow control system, a butterfly valve, a ball valve and the like are mostly adopted as a flow control valve, the butterfly valve controls flow through opening degree, the problem of control precision exists, particularly under the conditions of small flow and small opening degree, turbulence is easily caused, and flow monitoring is unstable.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects, the utility model provides an accurate regulating valve.
In order to realize the purpose, the technical scheme of the utility model is that: a precise regulating valve comprises a valve body, a valve plate and a valve shaft, wherein the valve plate comprises a rectangular left valve plate and a rectangular right valve plate, and the inner side surfaces of the left valve plate and the right valve plate are attached and connected in a sliding manner; the positions, close to the outer side face, on the upper end faces of the left valve plate and the right valve plate are respectively and integrally provided with a straight rack in the sliding direction, tooth surfaces of the straight racks on the left valve plate and the right valve plate are oppositely arranged, and the right end face of the left valve plate and the left end face of the right valve plate are respectively provided with opposite V-shaped notches; the bottom end of the valve shaft is of a gear structure, and the valve shaft is respectively meshed with the straight racks on the left valve plate and the right valve plate through the gear structure at the bottom end; the valve body is provided with a rectangular cavity matched with the valve plate, the front end face and the rear end face of the valve body are respectively provided with a connecting pipeline communicated with the cavity, and the axis of the connecting pipeline passes through the centers of two opposite V-shaped notches of the left valve plate and the right valve plate.
Preferably, the left side or the right side of valve body are equipped with the valve plate installing port, valve body top or bottom are equipped with the valve shaft installing port, and valve plate installing port and valve shaft installing port are provided with seal assembly respectively, and the installation seal assembly of valve plate and valve shaft is the conventional technological means in valve design field, realizes through rubber packing ring, rubber gasket jump ring, end cap usually, and this application does not carry out detailed description.
The working principle of this application does: the valve shaft is simultaneously meshed with straight gears on the left valve plate and the right valve plate through a gear, so that the valve shaft can rotate to drive the left valve plate and the right valve plate to move back to back or move in opposite directions, and then the rhombic flow ports formed by the two opposite V-shaped notches realize back-and-forth conversion from sealing to gradual expansion, and the opening and closing of the valve are realized.
The utility model has the advantages that: the flow regulating device is reasonable and compact in structure, high in stability, large in flow regulating range and high in regulating precision.
Drawings
Fig. 1 is the perspective structure schematic diagram of the precise regulating valve of the present invention.
Fig. 2 is a front view of the precise regulating valve of the present invention.
Fig. 3 is the schematic view of the valve plate and valve shaft connecting structure of the present invention.
Detailed Description
The present invention will be further described with reference to the following specific embodiments.
Example 1
The precise regulating valve shown in fig. 1-3 comprises a valve body 1, a valve plate 2 and a valve shaft 3, wherein the valve plate comprises a rectangular left valve plate 201 and a rectangular right valve plate 202, and the inner side surfaces of the left valve plate and the right valve plate are attached and connected in a sliding manner; the positions, close to the outer side face, on the upper end faces of the left valve plate and the right valve plate are respectively and integrally provided with a straight rack 203 in the sliding direction, tooth surfaces of the straight racks on the left valve plate and the right valve plate are oppositely arranged, and the right end face of the left valve plate and the left end face of the right valve plate are respectively provided with a V-shaped notch 204 which is opposite; the bottom end of the valve shaft 3 is provided with a gear structure 301, and the valve shaft is respectively meshed with the spur racks 203 on the left valve plate and the right valve plate through the gear structure 301 at the bottom end; the valve body is provided with a rectangular cavity 101 matched with the valve plate, the length of the rectangular cavity is that a spur rack on the rectangular cavity does not depart from a gear structure at the bottom end of the valve shaft when the left valve plate and the right valve plate move back to back, a connecting pipeline 4 communicated with the cavity is respectively arranged on the front end surface and the rear end surface of the valve body, and the axis of the connecting pipeline 4 passes through the centers of two opposite V-shaped notches of the left valve plate and the right valve plate.
For the convenience of production and installation, the left side or the right side of stating the valve body are equipped with valve plate installing port 5, valve body top or bottom are equipped with valve shaft installing port 6, and valve plate installing port and valve shaft installing port are provided with seal assembly respectively, and the installation seal assembly of valve plate and valve shaft is the conventional technological means in valve design field, realizes through rubber packing ring, rubber gasket jump ring, end cap usually, and this application does not describe in detail.
The working mode of the embodiment is as follows: the valve shaft simultaneously meshes with straight gears on the left valve plate and the right valve plate through a gear structure 301, so that the valve shaft can rotate to drive the left valve plate and the right valve plate to move back to back or move in opposite directions, and then the rhombic flow ports formed by the two opposite V-shaped notches realize back-and-forth conversion from sealing to gradual expansion, and the opening and closing of the valve are realized.
The technical scheme of the utility model is not limited to the restriction of above-mentioned specific embodiment, is not limited to the restriction in flow control hole, all according to the utility model discloses a technical deformation that technical scheme made all falls into within the protection scope of the utility model.
Claims (2)
1. The utility model provides an accurate adjusting valve, includes valve body, valve plate and valve shaft, its characterized in that: the valve plate comprises a rectangular left valve plate and a rectangular right valve plate, and the inner side surfaces of the left valve plate and the right valve plate are attached and connected in a sliding manner; the positions, close to the outer side face, on the upper end faces of the left valve plate and the right valve plate are respectively and integrally provided with a straight rack in the sliding direction, tooth surfaces of the straight racks on the left valve plate and the right valve plate are oppositely arranged, and the right end face of the left valve plate and the left end face of the right valve plate are respectively provided with opposite V-shaped notches; the bottom end of the valve shaft is of a gear structure, and the valve shaft is respectively meshed with the straight racks on the left valve plate and the right valve plate through the gear structure at the bottom end; the valve body is provided with a rectangular cavity matched with the valve plate, the front end face and the rear end face of the valve body are respectively provided with a connecting pipeline communicated with the cavity, and the axis of the connecting pipeline passes through the centers of two opposite V-shaped notches of the left valve plate and the right valve plate.
2. The precision modulating valve of claim 1, wherein: the left side or the right side of valve body are equipped with the valve plate installing port, valve body top or bottom are equipped with the valve shaft installing port, and valve plate installing port and valve shaft installing port are provided with seal assembly respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020445574.0U CN212004318U (en) | 2020-03-31 | 2020-03-31 | Accurate adjusting valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020445574.0U CN212004318U (en) | 2020-03-31 | 2020-03-31 | Accurate adjusting valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212004318U true CN212004318U (en) | 2020-11-24 |
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ID=73422091
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020445574.0U Active CN212004318U (en) | 2020-03-31 | 2020-03-31 | Accurate adjusting valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212004318U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115321720A (en) * | 2022-08-16 | 2022-11-11 | 广东益诺欧环保股份有限公司 | Electrolytic device for industrial wastewater resource treatment |
-
2020
- 2020-03-31 CN CN202020445574.0U patent/CN212004318U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115321720A (en) * | 2022-08-16 | 2022-11-11 | 广东益诺欧环保股份有限公司 | Electrolytic device for industrial wastewater resource treatment |
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