CN219388695U - Adjustable ultra-small flow self-operated regulating valve - Google Patents
Adjustable ultra-small flow self-operated regulating valve Download PDFInfo
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- CN219388695U CN219388695U CN202223522142.3U CN202223522142U CN219388695U CN 219388695 U CN219388695 U CN 219388695U CN 202223522142 U CN202223522142 U CN 202223522142U CN 219388695 U CN219388695 U CN 219388695U
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- valve
- cover
- valve body
- lower valve
- rod
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
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Abstract
The utility model discloses an adjustable ultra-small flow self-operated regulating valve which comprises a valve body, a valve cover and a valve seat which are arranged on the valve body, an actuating mechanism arranged on the valve cover and a valve rod which is arranged in the valve body and driven by the actuating mechanism, and is characterized in that the valve body is of a three-way structure, the valve cover comprises an upper valve cover and a lower valve cover which are arranged on the valve body, an upper sleeve which is in sealing connection with the valve rod is arranged on the valve seat, an auxiliary structure is arranged on the lower valve cover, and the auxiliary structure comprises a lower valve rod which is arranged on the lower valve cover and a lower sleeve which is arranged on the lower valve cover and in sealing connection with the lower valve rod; by arranging the auxiliary structure, the integral adjustable range of the valve body is improved, namely, the application range of the pressure fluctuation of the pipeline system is enlarged, and the service life of the valve body is prolonged.
Description
Technical Field
The utility model relates to the technical field of valves, in particular to an adjustable ultra-small flow self-operated regulating valve.
Background
The self-operated regulating valve in the prior art has the structural defects that the flow deviation caused by the residual pressure head and pressure fluctuation of a pipeline system cannot be eliminated, the structural defects of serious pressure fluctuation, low control precision and the like generally exist, particularly in the high pressure difference occasion with large flow and pressure difference change, when the pressure clearance change of the pipeline system is large, the valve core cannot be directly regulated, or when the opening and closing actions are frequent and serious, the accurate regulation control is difficult to realize, and the service life of the valve body is low; therefore, it is necessary to provide an adjustable ultra-small flow self-operated regulating valve.
Disclosure of Invention
The utility model aims to solve the problems and provides an adjustable ultra-small flow self-operated regulating valve.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the valve cover comprises an upper valve cover and a lower valve cover which are arranged on the valve body, an upper sleeve which is in sealing connection with the valve rod is arranged on the valve seat, an auxiliary structure is arranged on the lower valve cover, and the auxiliary structure comprises a lower valve rod arranged on the lower valve cover, a lower sleeve which is arranged on the lower valve cover and is in sealing connection with the lower valve rod.
Preferably, the valve seat comprises an upper valve seat arranged on the valve body and connected with the upper sleeve and a lower valve seat arranged on the valve body and connected with the lower sleeve, a filler is arranged between the lower valve cover and the lower valve rod, and a filler pressing nail is further arranged on the lower valve cover.
Preferably, the connecting section of the upper valve seat and the lower valve seat of the lower valve rod is provided with a spiral groove.
Preferably, the spiral groove has a trapezoid structure.
Preferably, the packing press nail is provided with a lower pressing plate connected with a lower valve cover, and the lower valve cover is also provided with a dust cover.
The utility model has the beneficial effects that: through the arrangement of the auxiliary structure, the three-way valve body is adopted, the lower valve rod is arranged on the lower valve cover, the rough adjustment function is realized by adjusting the flow area between the lower valve rod and the lower valve seat, when the pressure clearance of the pipeline system is changed greatly, the upper valve rod and the upper valve seat cannot be directly adjusted, or when the opening and closing actions are frequent and the vibration is serious, the flow area between the lower valve rod and the lower valve seat can be adjusted, so that the medium pressure born by the upper valve rod is in a precisely adjustable range, the integral adjustable range of the valve body is improved, namely the application range of the pressure fluctuation of the pipeline system is enlarged, and the service life of the valve is prolonged;
by arranging the spiral grooves, the trapezoid spiral grooves are arranged on the lower valve rod, so that the flow resistance of the medium can be effectively increased, and the functions of pressure reduction and noise reduction are realized;
through the arrangement of the dust cover, the lower valve rod can be protected, dust is prevented from entering or external force is prevented from striking the lower valve rod, and the service life is prolonged;
through the structure of directly taking pressure in the valve body valve cavity, the product can be directly put into use after being installed on a pipeline system, and the installation is convenient.
Drawings
FIG. 1 is a schematic view of the overall structure of the present utility model;
fig. 2 is an enlarged view of the structure at a of the present utility model.
The marks in the figure are as follows: 1 valve body, 2 valve gap, 21 upper valve gap, 22 lower valve gap, 3 disk seat, 31 upper disk seat, 32 lower disk seat, 33 upper sleeve, 4 actuating mechanism, 5 valve rod, 6 auxiliary structure, 61 lower valve rod, 62 lower sleeve, 63 packing, 64 packing press nail, 65 helicla flute, 66 holding down plate, 67 dust cover.
Detailed Description
The adjustable ultra-small flow self-operated regulating valve is further described below by means of embodiments and with reference to the accompanying drawings.
Referring to fig. 1, the utility model provides an adjustable ultra-small flow self-operated regulating valve, which comprises a valve body 1, a valve cover 2 and a valve seat 3 which are arranged on the valve body 1 through bolts, an actuating mechanism 4 which is arranged on the valve cover 2 through bolts, and a valve rod 5 which is movably arranged in the valve body 1 and is driven by the actuating mechanism 4, and is characterized in that the valve body 1 is of a three-way structure, the valve cover 2 comprises an upper valve cover 21 and a lower valve cover 22 which are arranged on the valve body 1 through bolts, an upper sleeve 33 which is in sealing connection with the valve rod 5 is arranged on the valve seat 3, an auxiliary structure is arranged on the lower valve cover 22 through bolts, the auxiliary structure comprises a lower valve rod 61 which is movably arranged on the lower valve cover 22, a lower sleeve 62 which is arranged on the lower valve cover 22 and is in sealing connection with the lower valve rod 61 through bolts, the valve seat 3 comprises an upper valve seat 31 which is arranged on the valve body 1 and is connected with the lower sleeve 62, the upper sleeve 33 is arranged between the upper sleeve 21 and the upper sleeve 62, the lower sleeve 33 is arranged on the valve cover 21 and the upper sleeve 62, the lower sleeve 22 is arranged on the lower sleeve 22 is provided with a screw cap 64 which is arranged between the lower sleeve 22 and is provided with a screw cap 64 which is arranged between the lower valve seat 22 and the lower sleeve 22 through bolts, and the lower sleeve 64 is provided with a screw groove which is arranged between the lower valve seat 64 and the lower sleeve 61 and the valve seat 22 and the valve seat 64, and the valve seat 64 is provided with a sealing sleeve groove which is connected with a groove and the valve seat 65; through the arrangement of the auxiliary structure, the valve body 1 adopts the three-way valve body 1, a lower valve rod 61, a lower sleeve 62 and a lower valve seat 32 which are matched with the lower valve rod 61 are movably arranged on a lower valve cover 22 at the bottom of the valve body 1, when the pressure clearance of a pipeline system is changed greatly, the valve rod 5 and the upper valve seat 31 cannot be directly adjusted, or when the opening and closing actions are frequent and the vibration is serious, the flow area between the lower valve rod 61 and the lower valve seat 31 can be adjusted, so that the medium pressure born by the valve rod 5 is in a precisely adjustable range, the overall adjustable range of the valve body 1 is improved, namely, the application range of the pressure fluctuation of the pipeline system is enlarged, and the service life of the valve is prolonged; by arranging the spiral groove 65, the lower valve rod 61 is provided with the trapezoid spiral groove 65, so that the flow resistance of the medium can be effectively increased through the spiral groove 65 when the medium flows into the lower part of the valve body 1 from the upper part of the valve body 1, and the functions of pressure reduction and noise reduction are realized; the valve cavity of the valve body 1 can be directly pressurized, and a product can be directly put into use after being mounted on a pipeline system, so that the valve is convenient to mount; through the setting of dust cover 67, can protect lower valve rod 61, prevent that the dust from getting into valve body 1 or protecting lower valve rod 61 from external force striking from the clearance of lower valve rod 61 and lower valve gap 22, promote the life of valve body 1.
In the use of the utility model, firstly, the valve body 1 is connected to a pipeline, a medium flows in from the left side of the valve body 1, flows into the upper valve seat 31 from the upper sleeve 33 and then downwards enters the lower valve seat 32, and the medium flows out from the right side of the valve body 1 after spirally downwards entering the lower sleeve 62 from the spiral groove 65 on the lower valve rod 61, so that the flow of the medium is realized; when the system pressure clearance at the front end of the pipeline is greatly changed, the valve rod 5 and the upper valve seat 31 cannot be directly adjusted, or the dust cover 67 can be removed and separated from the lower valve cover 22 by rotating the dust cover 67, and the tool is used for rotating and adjusting the flow area between the spiral groove 65 on the lower valve rod 61 and the lower valve seat 31, so that the pressure of the medium borne by the valve rod 5 is in a precise adjustment range, the dust cover 67 is installed back through threaded connection, and the service life of the valve is further prolonged.
The above embodiments are illustrative of the present utility model, and not limiting, and any simple modifications of the present utility model fall within the scope of the present utility model.
Claims (5)
1. The utility model provides an ultra-small flow self-operated regulating valve with adjustable, includes valve body (1), installs valve gap (2) and disk seat (3) on valve body (1), installs actuating mechanism (4) on valve gap (2) and installs in valve body (1) by actuating mechanism (4) driven valve rod (5), characterized by valve body (1) be three-way structure, valve gap (2) including installing upper valve gap (21) and lower valve gap (22) on valve body (1), disk seat (3) on install upper sleeve (33) with valve rod (5) sealing connection, lower valve gap (22) on install auxiliary structure, auxiliary structure including install lower valve rod (61) on lower valve gap (22), install on lower valve gap (22) and with lower valve rod (61) sealing connection's lower sleeve (62).
2. The adjustable ultra-small flow self-operated regulating valve as set forth in claim 1, wherein: the valve seat (3) comprises an upper valve seat (31) which is arranged on the valve body (1) and connected with the upper sleeve (33) and a lower valve seat (32) which is arranged on the valve body (1) and connected with the lower sleeve (62), a filler (63) is arranged between the lower valve cover (22) and the lower valve rod (61), and a filler pressing nail (64) is also arranged on the lower valve cover (22).
3. The adjustable ultra-small flow self-operated regulating valve according to claim 2, wherein: the connecting section of the upper valve rod (61) and the lower valve seat (32) is provided with a spiral groove (65).
4. An adjustable ultra-small flow self-operated regulator valve according to claim 3, wherein: the spiral groove (65) is of a trapezoid structure.
5. The adjustable ultra-small flow self-operated regulating valve according to claim 2, wherein: the packing press nail (64) is provided with a lower pressing plate (66) connected with the lower valve cover (22), and the lower valve cover (22) is also provided with a dust cover (67).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223522142.3U CN219388695U (en) | 2022-12-29 | 2022-12-29 | Adjustable ultra-small flow self-operated regulating valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223522142.3U CN219388695U (en) | 2022-12-29 | 2022-12-29 | Adjustable ultra-small flow self-operated regulating valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219388695U true CN219388695U (en) | 2023-07-21 |
Family
ID=87172172
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223522142.3U Active CN219388695U (en) | 2022-12-29 | 2022-12-29 | Adjustable ultra-small flow self-operated regulating valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219388695U (en) |
-
2022
- 2022-12-29 CN CN202223522142.3U patent/CN219388695U/en active Active
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