CN108561576B - Accurate control valve and control method for air quantity of plastic product - Google Patents
Accurate control valve and control method for air quantity of plastic product Download PDFInfo
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- CN108561576B CN108561576B CN201810586089.2A CN201810586089A CN108561576B CN 108561576 B CN108561576 B CN 108561576B CN 201810586089 A CN201810586089 A CN 201810586089A CN 108561576 B CN108561576 B CN 108561576B
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- 229920003023 plastic Polymers 0.000 title claims abstract description 20
- 238000000034 method Methods 0.000 title claims abstract description 15
- 230000007246 mechanism Effects 0.000 claims abstract description 49
- 230000001788 irregular Effects 0.000 claims abstract description 15
- 238000007789 sealing Methods 0.000 claims abstract description 8
- 210000000078 claw Anatomy 0.000 claims description 5
- 230000008569 process Effects 0.000 claims description 4
- 230000009471 action Effects 0.000 claims description 3
- 239000012943 hotmelt Substances 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims description 3
- 238000013461 design Methods 0.000 abstract description 2
- 239000007789 gas Substances 0.000 description 9
- 239000010865 sewage Substances 0.000 description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 5
- 230000001105 regulatory effect Effects 0.000 description 3
- 238000005273 aeration Methods 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 230000001276 controlling effect Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 229920011532 unplasticized polyvinyl chloride Polymers 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K5/00—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary
- F16K5/02—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary with plugs having conical surfaces; Packings therefor
- F16K5/0207—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary with plugs having conical surfaces; Packings therefor with special plug arrangement, e.g. special shape or built in means
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K5/00—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary
- F16K5/08—Details
- F16K5/12—Arrangements for modifying the way in which the rate of flow varies during the actuation of the valve
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K5/00—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary
- F16K5/08—Details
- F16K5/14—Special arrangements for separating the sealing faces or for pressing them together
- F16K5/16—Special arrangements for separating the sealing faces or for pressing them together for plugs with conical surfaces
Abstract
The invention discloses an accurate air quantity control valve for plastic products, which is characterized by comprising a valve body, a control mechanism, a valve core, an annular sealing piece and a compensation pad which are sequentially connected; the valve body is sequentially provided with an air inlet pipe, an air outlet pipe, an embedded frustum, a rotation limiting plate, a strip fixed circulation port and a round hole-shaped bearing table, and the interior of the valve body is in an inverted cone frustum shape; the control mechanism is provided with a convex positioning three-jaw, an inner clamping buckle and a limiting piece; the valve core is in an inverted cone truncated cone shape, an irregular concave arc-shaped surface concave table is arranged on the valve core, an inner concave embedded three-jaw pit is arranged on the end face of the valve core, and an air inlet slot is arranged at the bottom of the valve core; the air stripping overflow area is changed by a method of controlling the rotation scale value of the mechanism, so that the air inflow is accurate; the invention fundamentally and accurately controls the air quantity through a unique structural innovation design and control method, is convenient and simple, fills the blank of the air stripping accurate control valve of the plastic products in the market, and has great practical application and popularization values.
Description
Technical Field
The invention belongs to the technical field of sewage treatment, and particularly relates to an accurate air quantity control valve and an accurate air quantity control method for plastic products.
Background
In recent years, the water environment problem of vast rural areas and village and town areas becomes a hot topic of society. With the development of urban and rural two-stage, regional imbalance and town, some villages and towns develop towards urban development, villages and towns develop into small cities, and some villages and towns develop into the formats of different cities such as tourism industry, business and the like. The population density reaches a certain degree, the environment capacity is saturated, the pollution of the environment exceeds the self-cleaning capability of the ecological environment, and the whole environment is deteriorated.
The rural sewage has large water quality and water quantity change, small scale and dispersion, and vast rural areas lack corresponding technical management staff, so that the technology is applicable to the sewage treatment technology in the rural areas, the technology is required to be applicable to the impact of water quality and water quantity, the operation and the management are easy, the operation is stable, and meanwhile, the ecological requirements in the rural areas can be met; in order to meet the sewage treatment demands of villages and towns, rural areas, household connection and household separation, an integrated sewage treatment device is often adopted, wherein the integrated sewage treatment device comprises aeration oxygen supply and gas lifting technologies so as to fully meet the rural sewage treatment demands, but only a UPVC ball valve and an internal thread stop valve are arranged on the current market; in the use of aeration to regulate oxygen supply or gas lift techniques: in the first scheme, when the plastic elbow and the UPVC ball valve are adopted for the compound use scheme, the air supply quantity cannot be accurately regulated; the scheme II adopts a compound use scheme of a plastic elbow and an internal thread stop valve, and although the air supply quantity can be accurately regulated, the following problems exist: if the elbow and the internal and external thread joint materials are required to be additionally used, the internal thread stop valve has short service life, is easy to corrode and has higher use cost. Therefore, there is an urgent need in the market to develop a multifunctional integrated air quantity accurate control plastic valve product which integrates elbow, saves internal and external wires, is simple to use and has low cost, so as to fill the application blank.
Disclosure of Invention
Aiming at the defects of the prior art and the blank of the product technology, the invention provides a precise control valve and a control method for the air quantity of a plastic product.
The aim of the invention can be achieved by the following technical scheme:
the air quantity accurate control valve for the plastic product is characterized by comprising a valve body, a control mechanism, a valve core, an annular sealing piece and a compensation pad which are sequentially connected; the valve body is sequentially provided with an air inlet pipe, an air outlet pipe, an embedded frustum, a rotation limiting plate, a strip fixed circulation port and a round hole-shaped bearing table, and the interior of the valve body is in an inverted cone frustum shape; the control mechanism is provided with a convex positioning three-jaw, an inner clamping buckle and a limiting piece; the valve core is in an inverted cone truncated cone shape, an irregular concave arc-shaped surface concave table is arranged on the valve core, an inner concave embedded three-jaw pit is arranged on the end face of the valve core, an air inlet seam is arranged at the bottom of the valve core, and the irregular concave arc-shaped surface concave table is formed by connecting and enclosing a horizontal concave edge, a vertical concave edge, a spiral line concave edge and a vertical edge seam; the vertical height of the spiral line is gradually reduced from the vertical edge seam to the vertical concave edge; the valve core back taper truncated cone is placed in the valve body in the direction of the valve core back taper truncated cone, the outer part of the valve core back taper truncated cone is just tightly attached to the inner part of the valve body back taper truncated cone, and the bottom of the valve core is placed on a round hole-shaped supporting table of the valve body; the three-jaw positioning protrusions on the control mechanism are fixedly connected with the three-jaw pit socket by embedding the three-jaw positioning protrusions into the inner concave grooves on the end face of the valve core, and the inner buckle on the control mechanism is connected with the embedded frustum of the valve body assembly and the annular sealing piece to form fixed end face connection; the convex positioning three claws of the control mechanism are tightly attached to the tangential surfaces of the valve body and the valve core under the action of the elastic surface pressure of the compensating pad which is embedded into the three claw pits after being inserted with the inner concave arranged on the end surface of the valve core.
The valve body is connected with the control mechanism by at least one of threads, plugging, clamping, sleeving, embedding, hot-melt welding and bonding.
The pipe diameter of an air inlet pipe and an air outlet pipe of the valve body is 8-50 mm; the top of the control mechanism is provided with a rotary scale.
The upper spiral line concave edge of the concave table with the irregular concave arc surface in the valve core and the strip fixed flow port bottom can form a defined accurate adjusting and controlling overcurrent inner cavity when the rotating degrees of the control mechanisms are different.
The limiting piece on the control mechanism is matched with the wall body of the limiting plate on the valve body to limit the circumferential rotation range of the control mechanism; and the central line of the flow passage of the inner cavity of the air inlet pipe is perpendicularly intersected with the central line of the flow passage of the inner cavity of the water outlet pipe.
A control method for an accurate control valve of the air quantity of a plastic product is characterized by comprising the following steps:
control linkage principle: through the rotation scale of accurate control mechanism for protruding location three-jaw on the control mechanism forms the rotation with the rotation degree with the sunken three-jaw hole socket joint formation fixed connection piece on the terminal surface of case and rotates, with the control volume inner chamber that the horizontal line that the concave limit of regulation control helix and irregular indent arcwall face concave station enclosed, forms the gas overflow volume space of equidimension, changes the accurate regulation control overflow inner chamber of flow channel, makes the air inlet loop through intake pipe inner chamber, accurate control inner chamber, rectangular fixed circulation mouth, outlet duct, reaches accurate control tolerance purpose.
(2) And (3) closing a valve: when the rotation scale of the control mechanism is 0%, the area of a control overcurrent inner cavity where the concave edge of the valve spiral line is intersected with the bottom of the upper fixed flow port is 0, and gas cannot pass through the control overcurrent inner cavity;
(3) The valve opening process comprises the following steps: the rotating scale of the control mechanism is increased from 0% to 100%, the area of the overcurrent cavity is controlled to be gradually increased, and the gas is controlled to be gradually increased by controlling the quantity of the overcurrent cavity;
(4) The valve opening is maximum: when the rotation scale of the control mechanism is 100%, the area of the control over-flow inner cavity is maximum, and the gas passing through the control over-flow inner cavity is maximum.
The invention fundamentally and accurately controls the air quantity through a unique structural innovation design and control method, is convenient and simple, fills the blank of the air stripping accurate control valve of the plastic products in the market, and has great practical application and popularization values.
Drawings
Fig. 1: an air quantity accurate control valve for plastic products; fig. 2: a control mechanism; fig. 3 and 4: a valve core; fig. 5 and 6: a valve body; fig. 7: 6 accurate adjustment control overcurrent inner chamber states when the valve control mechanism rotates 0% scale, fig. 8: 6 accurate adjustment control overcurrent lumen states when the valve control mechanism rotates 50% of the scale, fig. 9: 6 accurate adjustment control overflow inner chamber states when the valve control mechanism rotates 100% scale. The valve comprises a valve body 1, a control mechanism 2, a valve core 3, a ring-shaped sealing element 4, a compensation pad 5 and an overflow inner cavity 6, wherein the overflow inner cavity is accurately regulated and controlled; the device comprises a 101 air inlet pipe, a 102 air outlet pipe, a 103 embedded frustum, a 104 rotation limiting plate, a 105 strip fixed circulation port and a 106 round hole-shaped bearing table; the protrusion 201 is used for positioning three claws, the inner buckle 202 and the limiting piece 203; the irregular concave arc-shaped surface concave platform 301 is provided with a concave embedded three-jaw pit at the end face of the concave arc-shaped surface platform 302, an air inlet seam is arranged at the bottom of the concave arc-shaped surface concave platform 303, the irregular concave arc-shaped surface concave platform 301-1 is formed by a horizontal concave edge, a 301-2 vertical concave edge, a 301-3 spiral concave edge and a 301-4 vertical edge seam.
Detailed Description
Referring to fig. 1-9, the air quantity accurate control valve of the plastic product comprises a valve body (1), a control mechanism (2), a valve core (3), an annular sealing piece (4) and a compensation pad (5) which are sequentially connected; the valve body (1) is sequentially provided with an air inlet pipe (101), an air outlet pipe (102), an assembly embedded frustum (103), a rotation limiting plate (104), a long fixed circulation port (105) and a round hole-shaped bearing table (106), and the inside of the valve body (1) is in an inverted cone frustum shape; the control mechanism (2) is provided with a convex positioning three-jaw (201), an inner clamping buckle (202) and a limiting piece (203); the valve core (3) is in an inverted cone truncated cone shape, the valve core (3) is provided with an irregular concave arc-shaped surface concave table (301), the end face of the valve core is provided with an inner concave embedded three-jaw pit (302), the bottom of the valve core is provided with an air inlet slot (303), and the irregular concave arc-shaped surface concave table is formed by connecting and enclosing a horizontal concave edge (301-1), a vertical concave edge (301-2), a spiral line concave edge (301-3) and a vertical edge slot (301-4); the spiral line concave edge (301-3) starts to gradually reduce the vertical height of the spiral line from the vertical side seam (301-4) to the vertical concave edge (301-2); the valve core (3) is placed in the valve body (1) in the reverse taper truncated cone direction, the outer part of the valve core (3) is just tightly attached to the inner part of the reverse taper truncated cone of the valve body (1), and the bottom of the valve core (3) is placed on a round hole-shaped supporting table (106) of the valve body (1); the three-jaw positioning device comprises a valve body (1), a valve core (3) and a three-jaw positioning three-jaw (201) arranged on the valve body (2), wherein the three-jaw positioning three-jaw is fixedly connected with an inner concave embedded three-jaw pit (302) on the end face of the valve core (3) in a socket joint manner, and an inner clamping buckle (202) on the valve body (2) is connected with an embedded frustum (103) assembled by the valve body (1) and an annular sealing piece (4) to form fixed end face connection; the protruding positioning three-jaw (201) of the control mechanism (2) is tightly attached to the tangential surface of the valve body (1) and the valve core (3) under the action of the elastic surface pressure of the compensating pad (5) which is embedded into the three-jaw pit (302) after being inserted with the inner recess arranged on the end surface of the valve core (3).
The valve body (1) is connected with the control mechanism (2) through at least one of threads, insertion, clamping, sleeving, embedding, hot-melt welding and bonding.
The pipe diameters of an air inlet pipe (101) and an air outlet pipe (102) of the valve body (1) are 8-50 mm; the top of the control mechanism (2) is provided with a rotary scale.
The upper spiral line concave edge (301-3) of the irregular concave arc-shaped surface concave table (301) in the valve core (3) and the bottom of the strip fixed circulation port (105) can form a precise adjustment control overcurrent inner cavity (6) when different control mechanism rotation degrees are formed
A limiting piece (203) on the control mechanism (2) is matched with the wall body of a limiting plate (104) on the valve body (1) to limit the circumferential rotation range of the control mechanism (2); the flow passage of the inner cavity of the air inlet pipe (101) is perpendicularly intersected with the center line of the flow passage of the inner cavity of the water outlet pipe (102).
A control method for an accurate control valve of the air quantity of a plastic product is characterized by comprising the following steps:
(1) Control linkage principle: through the rotation scale of accurate control mechanism (2), protruding location three-jaw (201) on control mechanism (2) and the indent embedding three-jaw hole (302) socket joint on the terminal surface of case (3) form fixed connection and rotate with the rotation degree together, with the control volume inner chamber that the horizontal line that concave limit (301-3) and the concave platform of irregular indent arcwall face surrounded in the regulation control helix, form not gaseous overflow volume space of equidimension, change and pass through accurate regulation control overflow inner chamber (6) of flow channel, make the air inlet loop through intake pipe (101) inner chamber, accurate control inner chamber (6), rectangular fixed flow mouth (105), outlet duct (102), reach accurate control tolerance purpose.
(2) And (3) closing a valve: as shown in fig. 7, when the rotation scale of the control mechanism (2) is 0%, the area of the control flow-through inner cavity (6) where the concave edge (301-3) of the valve spiral line is intersected with the bottom of the upper fixed flow port (105) is 0, and gas cannot pass through the control flow-through inner cavity (6);
(3) The valve opening process comprises the following steps: as shown in fig. 8, in the process that the rotation scale of the control mechanism (2) is increased from 0% to 100%, the area of the control flow-through inner cavity (6) is gradually increased, and the amount of gas passing through the control flow-through inner cavity (6) is gradually increased;
(4) The valve opening is maximum: as shown in fig. 9, when the rotation scale of the control mechanism (2) is 100%, the area of the control flow-through cavity (6) is maximum, and the amount of gas passing through the control flow-through cavity (6) is maximum.
The above embodiments are only for illustrating the technical concept and features of the present invention, and are intended to enable those skilled in the art to understand the content of the present invention and implement the same according to the content of the present invention, and are not intended to limit the scope of the present invention. All equivalent changes or modifications made in accordance with the spirit of the present invention should be covered by the scope of the invention.
Claims (5)
1. The air quantity accurate control valve for the plastic product is characterized by comprising a valve body (1), a control mechanism (2), a valve core (3), an annular sealing piece (4) and a compensation pad (5) which are sequentially connected; the valve body (1) is sequentially provided with an air inlet pipe (101), an air outlet pipe (102), an assembly embedded frustum (103), a rotation limiting plate (104), a long fixed circulation port (105) and a round hole-shaped bearing table (106), and the inside of the valve body (1) is in an inverted cone frustum shape; the control mechanism (2) is provided with a convex positioning three-jaw (201), an inner clamping buckle (202) and a limiting piece (203); the valve core (3) is in an inverted cone truncated cone shape, the valve core (3) is provided with an irregular concave arc-shaped surface concave table (301), the end face of the valve core is provided with an inner concave embedded three-jaw pit (302), the bottom of the valve core is provided with an air inlet slot (303), and the irregular concave arc-shaped surface concave table is formed by connecting and enclosing a horizontal concave edge (301-1), a vertical concave edge (301-2), a spiral line concave edge (301-3) and a vertical edge slot (301-4); the valve core (3) is placed in the valve body (1) in the reverse taper truncated cone direction, the outer part of the valve core (3) is just tightly attached to the inner part of the reverse taper truncated cone of the valve body (1), and the bottom of the valve core (3) is placed on a round hole-shaped supporting table (106) of the valve body (1); the three-jaw positioning device comprises a valve body (1), a valve core (3) and a three-jaw positioning three-jaw (201) arranged on the valve body (2), wherein the three-jaw positioning three-jaw is fixedly connected with an inner concave embedded three-jaw pit (302) on the end face of the valve core (3) in a socket joint manner, and an inner clamping buckle (202) on the valve body (2) is connected with an embedded frustum (103) assembled by the valve body (1) and an annular sealing piece (4) to form fixed end face connection; the convex positioning three-jaw (201) of the control mechanism (2) is tightly attached to the tangential surface of the valve body (1) and the valve core (3) under the action of the elastic surface pressure of the compensating pad (5) which is embedded into the three-jaw pit (302) after being inserted with the inner concave arranged on the end surface of the valve core (3);
the spiral line concave edge (301-3) starts from the vertical side seam (301-4) to the vertical concave edge (301-2), and the vertical height of the spiral line is gradually reduced;
the upper spiral line inner concave edge (301-3) of the irregular inner concave arc-shaped surface concave table (301) in the valve core (3) and the strip fixed circulation port (105) can form an accurate adjusting and controlling overcurrent inner cavity (6) when the rotation degrees of different control mechanisms are different.
2. The precise air quantity control valve for plastic products according to claim 1, wherein the valve body (1) and the control mechanism (2) are connected by at least one of threads, plugging, clamping, sleeving, embedding, hot-melt welding and bonding.
3. The precise air quantity control valve for the plastic product according to claim 1 is characterized in that the pipe diameters of an air inlet pipe (101) and an air outlet pipe (102) of the valve body (1) are 8-50 mm; the top of the control mechanism (2) is provided with a rotary scale.
4. The precise control valve for the air quantity of the plastic product according to claim 1, wherein a limiting piece (203) on the control mechanism (2) is matched with a wall body of a rotation limiting plate (104) of the valve body (1) to limit the circumferential rotation range of the control mechanism (2); the flow passage of the inner cavity of the air inlet pipe (101) is perpendicularly intersected with the center line of the flow passage of the inner cavity of the air outlet pipe (102).
5. The control method for the precise control valve for the air quantity of the plastic product according to claim 1, which is characterized in that:
(1) Control linkage principle: through the rotation scale of the accurate control mechanism (2), the protruding positioning three claws (201) on the control mechanism (2) and the inner concave embedded three claw pits (302) on the end surface of the valve core (3) are socket-jointed to form a fixed connecting piece to rotate together with the rotation degree, so that the control volume inner cavities surrounded by the inner concave edges (301-3) of the control spiral line and the horizontal lines of the concave platforms of the irregular concave arc surfaces are adjusted to form gas overflow volume spaces with different sizes, the accurate adjustment control overflow inner cavities (6) of the variable overflow channels are formed, and air inlet sequentially passes through the inner cavities of the air inlet pipes (101), the control overflow inner cavities (6), the strip fixed flow openings (105) and the air outlet pipes (102), thereby achieving the aim of accurate control of air quantity;
(2) And (3) closing a valve: when the rotation scale of the control mechanism (2) is 0%, the area of a control flow cavity (6) where the concave edge (301-3) of the spiral line is intersected with the bottom of the strip fixed flow port (105) is 0, and gas cannot pass through the control flow cavity (6);
(3) The valve opening process comprises the following steps: the rotation scale of the control mechanism (2) is increased to 100 percent, the area of the control overflow cavity (6) is gradually increased, and the gas is gradually increased by controlling the quantity of the overflow cavity (6);
(4) The valve opening is maximum: when the rotation scale of the control mechanism (2) is 100%, the area of the control overflow cavity (6) is maximum, and the quantity of gas passing through the control overflow cavity (6) is maximum.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810586089.2A CN108561576B (en) | 2018-06-08 | 2018-06-08 | Accurate control valve and control method for air quantity of plastic product |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810586089.2A CN108561576B (en) | 2018-06-08 | 2018-06-08 | Accurate control valve and control method for air quantity of plastic product |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108561576A CN108561576A (en) | 2018-09-21 |
| CN108561576B true CN108561576B (en) | 2023-11-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810586089.2A Active CN108561576B (en) | 2018-06-08 | 2018-06-08 | Accurate control valve and control method for air quantity of plastic product |
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| Country | Link |
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| CN (1) | CN108561576B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1105110A (en) * | 1993-11-13 | 1995-07-12 | 张桂芝 | Screw type hydraulic automatic valve |
| JP2008185157A (en) * | 2007-01-30 | 2008-08-14 | Inax Corp | Assembly structure for packing in cylinder valve |
| CN103629383A (en) * | 2011-04-30 | 2014-03-12 | 张其明 | Temperature adjusting switch |
| CN204153374U (en) * | 2014-10-22 | 2015-02-11 | 温州金业气动科技有限公司 | Novel pneumatic joint |
| CN205101632U (en) * | 2015-11-17 | 2016-03-23 | 佛山市樱顺卫厨用品有限公司 | Fresh water system |
| CN208519210U (en) * | 2018-06-08 | 2019-02-19 | 安徽华骐环保科技股份有限公司 | A kind of tolerance of plastic products is precisely controlled valve |
-
2018
- 2018-06-08 CN CN201810586089.2A patent/CN108561576B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1105110A (en) * | 1993-11-13 | 1995-07-12 | 张桂芝 | Screw type hydraulic automatic valve |
| JP2008185157A (en) * | 2007-01-30 | 2008-08-14 | Inax Corp | Assembly structure for packing in cylinder valve |
| CN103629383A (en) * | 2011-04-30 | 2014-03-12 | 张其明 | Temperature adjusting switch |
| CN204153374U (en) * | 2014-10-22 | 2015-02-11 | 温州金业气动科技有限公司 | Novel pneumatic joint |
| CN205101632U (en) * | 2015-11-17 | 2016-03-23 | 佛山市樱顺卫厨用品有限公司 | Fresh water system |
| CN208519210U (en) * | 2018-06-08 | 2019-02-19 | 安徽华骐环保科技股份有限公司 | A kind of tolerance of plastic products is precisely controlled valve |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108561576A (en) | 2018-09-21 |
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