CN215214739U - Anti-corrosion micro flow regulating valve - Google Patents
Anti-corrosion micro flow regulating valve Download PDFInfo
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- CN215214739U CN215214739U CN202121167365.5U CN202121167365U CN215214739U CN 215214739 U CN215214739 U CN 215214739U CN 202121167365 U CN202121167365 U CN 202121167365U CN 215214739 U CN215214739 U CN 215214739U
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Abstract
The utility model provides a little flow control valve prevents corrosion which characterized in that: an anticorrosive lining is arranged in the channel of the valve body, an inlet channel and an outlet channel are formed on the anticorrosive lining, and a lower filling groove for communicating the inlet channel and the outlet channel is also formed on the valve body; a first lower packing group, a sleeve, a second lower packing group and a spacer ring are sequentially arranged in the lower packing groove from bottom to top, the first lower packing group, the sleeve and the second lower packing group are made of corrosion-resistant materials, and a through hole communicated with the outlet channel is formed in the side wall of the sleeve; the valve cover is arranged at the upper end of the valve body and tightly presses the spacer ring; the valve rod stretches into the valve cover and is connected with the valve core, the valve core is made of corrosion-resistant metal materials and stretches into the inlet channel after sequentially penetrating through the spacer ring, the second lower packing group, the sleeve and the first lower packing group, and an adjusting groove which is gradually reduced along the water inlet direction is formed in the side wall of the lower portion of the valve core. The advantages are that: the flow regulator has the advantages of corrosion resistance, long service life, stable and accurate flow regulation and capability of meeting the requirement of micro flow regulation.
Description
Technical Field
The utility model relates to a small flow control valve, concretely relates to small flow control valve anticorrosives.
Background
The micro flow regulating valve is suitable for regulating smaller flow and has the characteristics of compact structure, small volume, light weight, convenient installation and maintenance and high flow characteristic control in high-precision occasions.
Along with the more and more pluralism of industrial production, the application scope of little flow control valve is wider and wider, and in some little flow control valve practical operating mode, have corrosivity media such as acid, alkali in its medium, under the corrosivity effect of medium, lead to little flow control valve to reveal, life is low easily.
SUMMERY OF THE UTILITY MODEL
In order to overcome the not enough of background art, the utility model provides a small flow control valve anticorrosives.
The utility model discloses the technical scheme who adopts: an anti-corrosion micro flow regulating valve comprises a valve body, a valve cover, a valve rod and a valve core, wherein a channel is formed in the valve body; an anticorrosive lining is arranged in the channel of the valve body, an inlet channel and an outlet channel are formed on the anticorrosive lining, and a lower packing groove communicated with the inlet channel and the outlet channel is also formed on the valve body; a first lower packing group, a sleeve, a second lower packing group and a spacer ring are sequentially arranged in the lower packing groove from bottom to top, the first lower packing group, the sleeve and the second lower packing group are made of corrosion-resistant materials, and the side wall of the sleeve is provided with a through hole communicated with the outlet channel; the valve cover is arranged at the upper end of the valve body and tightly presses the spacer ring; the valve rod extends into the valve cover and is connected with the valve core, the valve core is made of corrosion-resistant metal materials and extends into the inlet channel after sequentially penetrating through the spacer ring, the second lower packing group, the sleeve and the first lower packing group, and an adjusting groove which is gradually reduced along the water inlet direction is formed in the side wall of the lower portion of the valve core.
The side wall of the channel is provided with a limiting groove, the outer side wall of the anticorrosive lining is provided with a limiting boss, and the anticorrosive lining and the channel are in circumferential limiting fit through the limiting boss and the limiting groove.
The adjusting groove is a triangular groove.
The valve rod and the valve core are integrally formed.
The valve cover is fixedly connected with the valve body through threads.
An upper packing groove is formed between the valve cover and the valve rod, an upper packing group, a lantern ring and a packing gland are sequentially arranged in the upper packing groove, and the packing gland is fixedly connected with the valve cover and compresses the lantern ring.
The packing gland is fixedly connected with the valve cover through threads.
The valve body is provided with a plurality of connecting holes which are circumferentially and uniformly distributed by taking the channel as the center.
The first lower packing group, the sleeve, the second lower packing group and the anticorrosive lining are all made of PTFE materials.
The valve core and the valve rod are made of N10276 corrosion-resistant alloy materials.
The utility model has the advantages that: by adopting the scheme, the flow regulator not only has corrosion resistance and long service life, but also is stable and accurate in flow regulation, and can meet the requirement of micro flow regulation.
Drawings
Fig. 1 is a schematic view of a cross-sectional structure of an anti-corrosion small flow control valve according to an embodiment of the present invention.
Fig. 2 is a schematic side view of the small flow control valve with anti-corrosion of the embodiment of the present invention.
Fig. 3 is a schematic structural view of the valve rod and the valve core according to the embodiment of the present invention.
Fig. 4 is an enlarged schematic view of a portion a of fig. 3.
Detailed Description
The embodiments of the present invention will be further explained with reference to the accompanying drawings:
as shown in the figure, the anti-corrosion micro flow regulating valve comprises a valve body 1, a valve cover 2, a valve rod 3 and a valve core 4.
A channel 11 is formed in the valve body 1, an anticorrosive lining 12 is arranged in the channel 11 of the valve body 1, an inlet channel 13 and an outlet channel 14 are formed on the anticorrosive lining 12, and a lower packing groove 15 for communicating the inlet channel 13 and the outlet channel 14 is also formed on the valve body 1; a first lower packing group 51, a sleeve 6, a second lower packing group 52 and a spacer ring 53 are sequentially arranged in the lower packing groove 15 from bottom to top, and a through hole 61 communicated with the outlet channel 14 is formed in the side wall of the sleeve 6; the valve cover 2 is arranged at the upper end of the valve body 1, and the spacing ring 53 is pressed by the valve cover 2; the valve rod 3 extends into the valve cover 2 and is connected with the valve core 4, the valve core 4 passes through the spacer ring 53, the second lower packing group 52, the sleeve 6 and the first lower packing group 51 and then extends into the inlet channel 13, and the side wall of the lower part of the valve core 2 is provided with an adjusting groove 41 which is gradually reduced along the water inlet direction.
When the anti-corrosion micro flow control valve is assembled, the anti-corrosion lining 12 is firstly installed in the channel 11 of the valve body 1, then the first lower packing group 51, the sleeve 6, the second lower packing group 52 and the spacer ring 53 are sequentially placed in the lower packing groove 15, then the valve core 4 is inserted, finally the valve cover 2 is fixedly installed at the upper end of the valve body 1, the spacer ring 53 is tightly pressed through the valve cover 2, the first lower packing group 51 and the second lower packing group 52 are forced to be tightly pressed and expanded, the side walls of the valve core 4 are tightly attached, and sealing is guaranteed.
Wherein, the 11 lateral walls of passageway are formed with spacing groove 16, the lateral wall of anticorrosive inside lining 12 is formed with spacing boss 17, constitute the spacing cooperation of circumference through spacing boss 17 and spacing groove 16 between anticorrosive inside lining 12 and the passageway 11, of course, also can correspond passageway 11 and anticorrosive inside lining 12 and constitute other non-circular structures, through spacing boss 17 and spacing groove 16's location fit, not only the structure is more reliable and more stable, and when packing into anticorrosive inside lining 12 in the passageway 11 of valve body 1 in addition, provide an installation location, the mounted position is more accurate, and the equipment operation is also more convenient.
The valve rod 3 and the valve core 4 are directly and integrally formed, so that the connection operation between the valve rod 3 and the valve core 4 is omitted, the processing and the manufacturing are more convenient, and the structure is more stable.
The valve cover 2 is fixedly connected with the valve body 1 through threads, and the valve cover 2 is very convenient to install.
The first lower packing group 51, the sleeve 6, the second lower packing group 52 and the anticorrosive lining 12 are made of PTFE materials, the valve core 4 is made of N10276 corrosion-resistant alloy materials, and the PTFE materials and the N10276 corrosion-resistant alloy materials have good corrosion resistance, so that the inside of the valve body 1 has a comprehensive corrosion resistance effect, the problems of leakage and damage caused by corrosion are effectively solved, and the service life is prolonged.
Normally, the medium flows from the inlet channel 13 to the outlet channel 14, when the corrosion-resistant micro flow control valve is closed, the adjusting groove 41 of the valve core 4 is located below the first lower packing set 51, the outer wall of the valve core 4 is tightly attached to the first lower packing set 51 to maintain sealing, when the corrosion-resistant micro flow control valve is opened, the valve core 4 moves upwards, so that the adjusting groove 41 is higher than the bottom of the through hole 61, and the medium can flow from the inlet channel 13 to the outlet channel 14 through the adjusting groove 41 and the through hole 61. Because the adjustment tank 41 diminishes gradually along the direction of intaking, consequently through the position that changes case 4, and then change the position of adjustment tank 41 relative through-hole 61, can realize small flow control, carry out flow control through adjustment tank 41, not only flow control precision is high, and the structural design of adjustment tank 41 gradual change formula realizes the effect that the medium acceleration rate erodees moreover, avoids appearing the problem of jam, and flow control is more reliable and more stable.
The adjusting groove 41 is a triangular groove.
In addition, an upper packing groove 21 is formed between the valve cap 2 and the valve rod 3, an upper packing group 71, a lantern ring 72 and a packing gland 73 are sequentially arranged in the upper packing groove 21, the packing gland 73 is fixedly connected with the valve cap 2 and compresses the lantern ring 72, and a packing sealing structure between the valve rod 3 and the valve cap 2 further improves the sealing performance between the valve rod 3 and the valve cap 2. The packing gland 73 and the valve cover 2 are also fixed through threaded connection, and the installation is very convenient.
The valve body 1 is further provided with a plurality of connecting holes 18, the connecting holes 18 are circumferentially and uniformly distributed by taking the channel 11 as a center, when the anti-corrosion micro flow regulating valve is assembled on a pipeline, the length is shortened, the size is reduced, the circulation time of a corrosion medium in the valve is reduced by a butt-clamping type installation mode, and during installation, two ends of the valve body 1 can use flange adaptive gaskets made of PTFE materials, so that sealing is further ensured.
In the description of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art. In addition, in the description of the present invention, "a plurality" means two or more unless otherwise specified.
The skilled person should understand that: although the present invention has been described in accordance with the above embodiments, the inventive concept is not limited to this embodiment, and any modification of the inventive concept will be included in the scope of the patent claims.
Claims (10)
1. An anti-corrosion micro flow regulating valve comprises a valve body (1), a valve cover (2), a valve rod (3) and a valve core (4), wherein a channel (11) is formed in the valve body (1);
the method is characterized in that: an anticorrosion lining (12) is arranged in the channel (11) of the valve body (1), an inlet channel (13) and an outlet channel (14) are formed on the anticorrosion lining (12), and a lower packing groove (15) for communicating the inlet channel (13) with the outlet channel (14) is also formed on the valve body (1);
a first lower packing group (51), a sleeve (6), a second lower packing group (52) and a spacer ring (53) are sequentially arranged in the lower packing groove (15) from bottom to top, the first lower packing group (51), the sleeve (6) and the second lower packing group (52) are made of corrosion-resistant materials, and a through hole (61) communicated with the outlet channel (14) is formed in the side wall of the sleeve (6);
the valve cover (2) is arranged at the upper end of the valve body (1) and tightly presses the spacer ring (53);
the valve rod (3) stretches into the valve cover (2) and is connected with the valve core (4), the valve core (4) is made of corrosion-resistant metal materials and stretches into the inlet channel (13) after sequentially penetrating through the spacer ring (53), the second lower packing group (52), the sleeve (6) and the first lower packing group (51), and an adjusting groove (41) which is gradually reduced along the water inlet direction is formed in the side wall of the lower portion of the valve core (2).
2. The anti-corrosion micro flow control valve according to claim 1, characterized in that: the side wall of the channel (11) is provided with a limiting groove (16), the outer side wall of the anticorrosive lining (12) is provided with a limiting boss (17), and the anticorrosive lining (12) and the channel (11) are in circumferential limiting fit through the limiting boss (17) and the limiting groove (16).
3. The anti-corrosion micro flow control valve according to claim 1, characterized in that: the adjusting groove (41) is a triangular groove.
4. The anti-corrosion micro flow control valve according to claim 1, characterized in that: the valve rod (3) and the valve core (4) are integrally formed.
5. The anti-corrosion micro flow control valve according to claim 1, characterized in that: the valve cover (2) is fixedly connected with the valve body (1) through threads.
6. The anti-corrosion micro flow control valve according to claim 1, characterized in that: an upper packing groove (21) is formed between the valve cover (2) and the valve rod (3), an upper packing group (71), a sleeve ring (72) and a packing gland (73) are sequentially arranged in the upper packing groove (21), and the packing gland (73) is fixedly connected with the valve cover (2) and compresses the sleeve ring (72).
7. The anti-corrosion micro flow control valve according to claim 6, characterized in that: the packing gland (73) is fixedly connected with the valve cover (2) through threads.
8. The anti-corrosion micro flow control valve according to claim 1, characterized in that: a plurality of connecting holes (18) are formed in the valve body (1), and the connecting holes (18) are circumferentially and uniformly distributed by taking the channel (11) as a center.
9. The anti-corrosion micro flow control valve according to claim 1, characterized in that: the first lower packing group (51), the sleeve (6), the second lower packing group (52) and the anticorrosive lining (12) are all made of PTFE materials.
10. The anti-corrosion micro flow control valve according to claim 1, characterized in that: the valve core (4) and the valve rod (3) are made of N10276 corrosion-resistant alloy materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121167365.5U CN215214739U (en) | 2021-05-28 | 2021-05-28 | Anti-corrosion micro flow regulating valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121167365.5U CN215214739U (en) | 2021-05-28 | 2021-05-28 | Anti-corrosion micro flow regulating valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215214739U true CN215214739U (en) | 2021-12-17 |
Family
ID=79421530
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121167365.5U Active CN215214739U (en) | 2021-05-28 | 2021-05-28 | Anti-corrosion micro flow regulating valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215214739U (en) |
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2021
- 2021-05-28 CN CN202121167365.5U patent/CN215214739U/en active Active
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