CN217301647U - Low flow resistance flow control valve - Google Patents
Low flow resistance flow control valve Download PDFInfo
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- CN217301647U CN217301647U CN202220876039.XU CN202220876039U CN217301647U CN 217301647 U CN217301647 U CN 217301647U CN 202220876039 U CN202220876039 U CN 202220876039U CN 217301647 U CN217301647 U CN 217301647U
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Abstract
The utility model relates to a low flow resistance flow control valve adopts Y type structure, and both ends runner center is off-center to the increase valve pocket adopts interior hexagonal valve gap, and the equal division curve section case, this kind of design make valve flow control's linearity good, can realize the accurate control to medium flow in the pipeline. The Y-shaped structural design is adopted, the centers of flow passages at two ends are offset, and a valve cavity is enlarged. The inner hexagonal valve cover limiting action element is adopted, action mechanism parts are simplified, the lower end of the valve is additionally provided with the extensible connecting hole, and the problems of poor flow resistance, complex structure and high cost of the traditional flow regulating valve in regulating and controlling precision are effectively solved.
Description
Technical Field
The utility model relates to the technical field of valves, concretely relates to low flow resistance flow control valve.
Background
In the field of production life and industrial control, flow regulating valves are particularly commonly used, which mainly utilize the area of a throttling opening between a valve core and a valve seat of a valve body and resistance generated by the structure of the valve body to regulate the flow of a medium so as to control the operation of other related mechanisms or elements.
The most of the flow control valves on the market at present have the following defects:
1. poor regulation curve, accurate control is difficult: at present, in industrial control and production, the flow of a medium in a pipeline needs to be accurately controlled so as to meet the use requirements of production or users, and if the flow is not accurately controlled or is not linearly adjusted, resource loss is caused or the use of the users is influenced.
2. Large flow resistance and large hydraulic loss: at present, most of the inner structures of the regulating valves circulating on the market adopt vertical structures and step-type flow channels, water can move in an L shape due to the structures, and pipeline blockage is easily caused because a flow regulating valve is frequently installed on a water inlet and a water outlet in actual use.
3. The inside is complicated, and is with high costs: in order to convert the rotary motion of a user end into up-and-down motion, a plurality of parts are required to be added between action mechanisms for conversion and limiting, and the parts are complex to process, increase the assembly time and bring about long-term use hidden troubles.
SUMMERY OF THE UTILITY MODEL
Utility model purpose: a low flow resistance flow regulating valve is provided to solve the above problems in the prior art.
The technical scheme is as follows: the low flow resistance flow regulating valve includes five parts of valve body, valve cover, valve core, valve rod and screw sleeve.
Wherein, be equipped with Y shape round platform in the valve body, inlet channel and outlet channel have been seted up respectively to its both ends, and wherein inlet channel's axis is less than outlet channel's axis can reduce the planar height of disk seat like this, and this kind of design not only can increase the flow area, also can reduce the flow resistance. The valve cover is arranged on the valve body. The middle part of the valve core is coated with a nut, and the lower end of the valve core is a curve with a preset radian. The valve rod penetrates through the center of the valve cover and is in transmission connection with the valve core through a threaded sleeve. The threaded sleeve is arranged in the valve body, is screwed at the bottom of the valve rod in a threaded manner, and is limited in radial rotation freedom.
When the valve works, the valve rod is rotated by rotating, and the valve core is driven to move up and down by the conversion of the threaded sleeve. By adjusting the valve stem and the threaded sleeve to match the thread pitch and options, the rotational lift efficiency ratio can be changed.
In a further embodiment, the top of the valve rod is provided with a screwing boss, the upper end of the screwing boss is provided with a first groove for mounting the elastic check ring, and the middle part of the screwing boss is provided with a first round table for preventing the valve rod from moving upwards. The function of pulling the twisting boss is convenient for use tools to pull and twist, and the function of the first round platform is to prevent the valve rod from moving upwards.
In a further embodiment, at least two second grooves for installing O-shaped rings are further formed between the first groove and the first circular truncated cone, and the O-shaped rings are installed for sealing and waterproofing.
In a further embodiment, the valve cover is made of metal, the valve cover is installed in a Y-shaped circular truncated cone in the valve body in a threaded mode, a hexagonal hole is formed in the lower end of the valve cover, the hexagonal hole is matched with the outer surface of the threaded sleeve in a hexagonal mode and is limited, the threaded sleeve cannot rotate radially, and the bottom of the hexagonal hole is rounded to reduce machining errors and improve installation accuracy.
In a further embodiment, the bottom of the valve body is provided with an inclined hole, and the inclined hole can be used for installing an extended function component according to actual requirements or can be blocked by a cap when the valve body is not used.
In a further embodiment, the lower end of the threaded sleeve is a circular table surface, which is provided with an annular groove for accommodating the valve core gasket and a cylindrical table, and the cylindrical table is tapped with threads for connecting the valve core. Tapping screw threads on the cylindrical table for connecting the valve core, wherein the valve core is made of plastic, and the middle of the valve core is wrapped with a plastic nut, so that the valve core is convenient to screw and attach to the upper end valve core pad.
Compared with the prior art, the utility model its effect that is showing is as follows:
(1) the adjustment linearity is good, and the precision is high: the valve core adopts the own special algorithm to carry out equal division optimization fitting on the valve core curve, the flow regulation linearity is good, stepless matching can be regulated, and the accurate control on the medium flow in the pipeline is realized,
(2) the flow resistance is small, the stroke is short, and the hydraulic loss is small: the main body adopts a Y-shaped structure, the centers of flow passages at two ends are offset, the valve cavity is enlarged, the valve seat is lowered, the stroke of the flow passage of the valve body shortened by the structure not only has small flow resistance in normal work and does not cut off under the condition of full opening,
(3) the performance is stable, and the service life is long; the valve core adopts the working of plastics, and the valve core pad adopts high strength rubber, and corrosion-resistant ageing, self-cleaning performance is good, still can maintain accurate flow regulation and control after long-time installation, and the screw thread spare selects for use the metal material, antifriction, durable.
(4) Compact structure, it is with low costs: according to the invention, the limiting mechanism at the threaded sleeve is simplified, and hexagonal direct limiting is dug in the valve cover, so that compared with the traditional regulating valve, parts are greatly reduced, and the cost is saved while the high performance is ensured.
(5) The expansion performance is good: the regulating valve is provided with the expansion interface in advance, so that a detector can be conveniently additionally arranged according to the field requirement in the later period.
Drawings
FIG. 1 is a cross-sectional view of the present low resistance flow regulator valve.
FIG. 2 is a valve stem profile of the present low flow resistance flow control valve.
FIG. 3 is an outline view of the valve cover of the low flow resistance flow regulating valve.
FIG. 4 is a valve body outline view of the low flow resistance flow regulating valve.
FIG. 5 is a thread bush outline drawing of the low flow resistance flow regulating valve.
FIG. 6 is a schematic diagram of curve fitting of the spool of the low flow resistance flow regulating valve.
The figures are numbered: the valve comprises a valve rod 1, a wrenching boss 1a, a first groove 1b, a second groove 1c, a first round table 1d, an O-shaped ring 2, a valve cover 3, a hexagonal hole 3a, a valve body 4, a water inlet flow passage 4a, a water outlet flow passage 4b, an inclined hole 4c, a threaded sleeve 5, a first concave table 5a, a cylindrical table 5b, a combining cap 6, a valve core pad 7, a valve core 8, a valve core nut 9 and an elastic retaining ring 10.
Detailed Description
In the following description, numerous specific details are set forth in order to provide a more thorough understanding of the present invention. It will be apparent, however, to one skilled in the art, that the present invention may be practiced without one or more of these specific details. In other instances, well-known features have not been described in order to avoid obscuring the present invention.
In order to solve the technical problems mentioned in the background technology, the applicant invents a low-flow-resistance flow regulating valve which integrally adopts a Y-shaped structure, the centers of flow passages at two ends are offset, a valve cavity is enlarged, an inner hexagonal valve cover and an equally-divided curve section valve core are adopted, and a port can be expanded. The flow regulating valve adopting the design performs equal division optimization fitting on the valve core curve through a unique algorithm of my department aiming at various opening degrees, has good linearity, and can realize accurate control on medium flow in a pipeline. The valve body main part adopts Y shape structure, and the both ends runner adopts the center biasing design for reduce the disk seat height, and increase the valve pocket, this kind of structure flow resistance is little in normal work, also does not damps under the full open condition, and the effectual traditional flow control valve flow resistance of having solved is big, and hydraulic loss is big problem, adopts the spacing action component of interior hexagonal valve gap, has simplified action mechanism part, and the effectual inside complicacy of traditional flow control valve of having solved, problem with high costs.
The utility model discloses a realize through following technical scheme: a low flow resistance flow regulating valve comprises a valve rod 1, an O-shaped ring 2, a valve cover 3, a valve body 4, a threaded sleeve 5, a combining cap 6, a valve core gasket 7, a valve core 8, a valve core nut 9 and an elastic retainer ring 10. A wrenching boss 1a, a first groove 1b, a second groove 1c and a first circular truncated cone 1d are arranged on a valve rod 1, a hexagonal hole 3a is formed in a valve cover 3, a water inlet flow passage 4a, a water outlet flow passage 4b and an inclined hole 4c are formed in a valve body 4, and a first concave table 5a and a cylindrical table 5b are arranged on a threaded sleeve 5.
Valve rod 1 is the metal material, the machine tooling shaping, its top is equipped with and pulls boss 1a and use the instrument of being convenient for pull and twist, valve rod 1 wears 3 central authorities of valve gap, the upper end is opened there is first recess 1b, so that it is spacing to install circlip 10, there is first round platform 1d in the middle part to prevent the valve rod upward movement, open at the valve rod middle part has two second recesses 1c, installation O shape circle 2 is used for sealing and waterproof, valve gap 3 is the metal material, the screw thread is installed in the Y shape round platform in valve body 4, valve gap 3 lower extreme is opened there is hexagonal hole 3a, it is spacing to be used for cooperating with 5 surface hexagons of thread bush, make 5 unable radial rotations of thread bush, the round car at the bottom of hexagonal hole 3a is used for reducing machining error and improving the installation accuracy. The left end and the right end of the valve body 4 are respectively provided with a water inlet flow passage 4a and a water outlet flow passage 4b, and the center of the water inlet flow passage 4a is lower than the water outlet flow passage 4b, so that the height of the plane of the valve seat can be reduced, the flow area can be increased, and the flow resistance can be reduced. The bottom of the valve body 4 is also provided with an inclined hole 4c for expanding functions, a temperature sensor and the like can be installed according to actual needs, the valve body is used when not used, the valve cap 6 is blocked, the threaded sleeve 5 is made of metal, threads are screwed at the bottom of the valve rod 1 and are installed in a hexagonal groove 3a at the lower end of the valve cap 3, the lower end of the valve body is a circular table surface and is provided with an annular groove 5a and a cylindrical table 5b for accommodating a valve core gasket 7 for strengthening sealing, threads are tapped on the cylindrical table 5b for connecting a valve core 8, the valve core 8 is made of plastic, a nut 9 is wrapped in the middle of the valve core to facilitate the valve core gasket 7 to be screwed and attached to the upper end, the lower end of the valve core is divided into equal parts according to 1mm by adopting a unique algorithm according to the height of the valve core, as shown in figure 6, the water equivalent surface integral of the outline of each section is solved, the arithmetic mean value is taken, single-point optimization is carried out according to linearity, and after the optimization is completed, and the points are summarized and approximately fitted according to a curve, so that the linearity of the obtained valve core is accurate.
When the valve works, the valve rod 1 is rotated by rotating, and the valve core 8 is driven to move up and down by the conversion of the threaded sleeve 5. By adjusting the thread pitch and the options of the valve rod 1 and the thread bush 5, the rotation lifting efficiency ratio can be changed.
As mentioned above, although the present invention has been shown and described with reference to certain preferred embodiments, it should not be construed as limiting the invention itself. Various changes in form and detail may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (6)
1. A low flow resistance flow control valve, comprising:
the valve body is internally provided with a Y-shaped circular truncated cone, and both ends of the valve body are respectively provided with a water inlet flow passage and a water outlet flow passage, wherein the central axis of the water inlet flow passage is lower than that of the water outlet flow passage;
the valve cover is arranged on the valve body;
the middle of the valve core is coated with a nut, and the lower end of the valve core is a curve with a preset radian;
the valve rod penetrates through the center of the valve cover and is in transmission connection with the valve core through a threaded sleeve;
and the thread sleeve is arranged in the valve body, is screwed at the bottom of the valve rod in a thread mode, and is limited in the degree of freedom of radial rotation.
2. A low flow resistance and flow regulation valve as claimed in claim 1, wherein the top of the valve stem is provided with a screwing boss, the upper end of the valve stem is provided with a first groove for installing the elastic collar, and the middle of the valve stem is provided with a first round table for preventing the valve stem from moving upwards.
3. The low flow resistance and flow regulation valve of claim 2, wherein at least two second grooves for mounting O-rings are further defined between the first groove and the first truncated cone.
4. A low flow resistance flow regulating valve according to claim 1, wherein the valve cover is mounted in the valve body in a Y-shaped circular truncated cone in a threaded manner, and a hexagonal hole is formed in the lower end of the valve cover and is limited by hexagonal matching with the outer surface of the threaded sleeve.
5. The low flow resistance flow regulating valve according to claim 1, wherein the bottom of the valve body is provided with an inclined hole, and the inclined hole can be used for installing an extended function component according to actual requirements or can be used and blocked by a cap when not used.
6. A low flow resistance and flow rate regulating valve according to claim 1, wherein the lower end of the threaded sleeve is a circular table surface provided with an annular groove for accommodating the valve core pad and a cylindrical table, and the cylindrical table is provided with threads for connecting the valve core.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220876039.XU CN217301647U (en) | 2022-04-15 | 2022-04-15 | Low flow resistance flow control valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220876039.XU CN217301647U (en) | 2022-04-15 | 2022-04-15 | Low flow resistance flow control valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217301647U true CN217301647U (en) | 2022-08-26 |
Family
ID=82938103
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220876039.XU Active CN217301647U (en) | 2022-04-15 | 2022-04-15 | Low flow resistance flow control valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217301647U (en) |
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2022
- 2022-04-15 CN CN202220876039.XU patent/CN217301647U/en active Active
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