CN111306332B - Valve type safety pressure relief device for water delivery pipeline - Google Patents
Valve type safety pressure relief device for water delivery pipeline Download PDFInfo
- Publication number
- CN111306332B CN111306332B CN202010097941.7A CN202010097941A CN111306332B CN 111306332 B CN111306332 B CN 111306332B CN 202010097941 A CN202010097941 A CN 202010097941A CN 111306332 B CN111306332 B CN 111306332B
- Authority
- CN
- China
- Prior art keywords
- valve
- valve body
- arc
- fixedly connected
- annular
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 13
- 230000006835 compression Effects 0.000 claims description 20
- 238000007906 compression Methods 0.000 claims description 20
- 230000000087 stabilizing effect Effects 0.000 claims description 18
- 230000007246 mechanism Effects 0.000 claims description 17
- 238000007789 sealing Methods 0.000 claims description 17
- 230000000694 effects Effects 0.000 claims description 4
- 239000012535 impurity Substances 0.000 abstract description 29
- 239000007788 liquid Substances 0.000 abstract description 29
- 230000035945 sensitivity Effects 0.000 abstract description 4
- 238000000926 separation method Methods 0.000 abstract 1
- 238000001914 filtration Methods 0.000 description 29
- 238000003825 pressing Methods 0.000 description 8
- 238000000034 method Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 230000002708 enhancing effect Effects 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
Classifications
-
- 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
- F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
- F16K17/02—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/01—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with flat filtering elements
- B01D29/014—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with flat filtering elements with curved filtering elements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D35/00—Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
- B01D35/02—Filters adapted for location in special places, e.g. pipe-lines, pumps, stop-cocks
- B01D35/04—Plug, tap, or cock filters filtering elements mounted in or on a faucet
Abstract
The invention relates to the technical field of safety pressure relief devices, and discloses a valve type safety pressure relief device for a water delivery pipeline. This a valve type safety pressure relief device for conduit, when the inside liquid of pipeline contains impurity and flows, annular valve piece and valve port separation, left side pipeline liquid removes to the right side, then impurity in the inside liquid in right side filters the left side at filter equipment, filter equipment contracts, then make accumulational impurity along with liquid rush into the right side of valve port, then can effectively avoid impurity adhesion between annular valve piece and valve port, cause the valve to open too late, thereby can effectively strengthen the sensitivity that the valve was opened.
Description
Technical Field
The invention relates to the technical field of safety pressure relief devices, in particular to a valve type safety pressure relief device for a water pipeline.
Background
A valve type safety relief device, which is one of the conventional safety valves and discharges gas through the opening of a valve to reduce the pressure in a container, is characterized in that it discharges only a part of the pressure in the pressure container higher than a predetermined pressure, and automatically closes when the pressure in the container is reduced to a normal operation pressure, so that it can prevent the container from discharging all gas once overpressure occurs, thereby causing waste and production interruption, and thus, the valve type safety relief device is widely used in boilers, pressure containers, and pipelines.
However, current valve type safety pressure relief device does not install at good anti-clogging device, when some unclean gas or the liquid that contains some impurity passes through the valve port, easy adhesion of accumulational impurity or clamping are in valve port department, and then cause the too hysteretic consequence of valve port easily, and when the valve plug was closed, the easy joint of impurity in the pipeline is in valve port department, then cause impurity joint in valve plug and valve port department, thereby the unable complete joint of valve plug is in the inside of valve port, cause to have the clearance between valve plug and the valve port, sealing performance is relatively poor, especially on water pipe, then lead to also often having slight leakage under normal operating pressure.
Disclosure of Invention
The invention provides a valve type safety pressure relief device for a water delivery pipeline, which has the advantages of preventing the valve from being opened too late, effectively enhancing the sensitivity of the valve opening and effectively enhancing the sealing effect between the valve port of an annular valve block and the valve port, solves the problem that the existing valve type safety pressure relief device is not provided with a good anti-blocking device, when some unclean gas or liquid containing some impurities passes through the valve opening, the accumulated impurities are easy to adhere to or clamp at the valve opening, thereby easily causing the result of over-lagging valve port, and when the valve plug is closed, impurities in the pipeline are easily clamped at the valve port, and then the impurities are clamped at the valve plug and the valve port, thereby the unable complete joint of valve plug causes to have the clearance between valve plug and the valve port in the inside of valve port, and sealing performance is relatively poor, especially on water pipe, leads to then also often having slight problem of leaking under normal operating pressure.
In order to achieve the above purpose, the invention provides the following technical scheme to realize: a valve type safety pressure relief device for a water delivery pipeline comprises a valve body, a vertical rod fixedly installed inside the valve body and a pressure stabilizing mechanism located above the valve body, wherein an annular valve block is fixedly installed in the middle of the upper surface of the valve body, a valve port is formed in the middle of the inner side of the valve body, the bottom of a pushing device is movably sleeved with the annular valve block, the bottom of the annular valve block penetrates through the valve body and is movably sleeved with the inside of the valve port, a flat pressing device is fixedly installed at the bottom of the pressure stabilizing mechanism, the bottom of the flat pressing device is fixedly connected with the top of the pushing device through a connecting pipe, the left side of the upper surface of the valve body is fixedly connected with the left side of the pressure stabilizing mechanism, the right side of the valve body is fixedly connected with a connecting pipe, and the upper surface of the connecting pipe is fixedly connected with the right side of the flat pressing device through a right connecting pipe;
the middle part of the vertical rod is fixedly sleeved with a filtering device through a fixed block, the filtering device comprises a transverse rod, the left side of the outer surface of the transverse rod is fixedly sleeved with a conical filter screen, the middle part of the outer surface of the transverse rod is movably sleeved with an annular sleeve, a support rod is fixedly arranged on the right side of the conical filter screen, the support rod is fixedly connected with the annular sleeve through a linkage rod, the outer surface of the transverse rod is movably sleeved with an elastic compression part, the number of the supporting rods is four, every two adjacent supporting rods are fixedly connected through a forming device, the forming device comprises arc pipes, arc rods and clamping plates, the arc pipes are fixedly connected to one sides of two adjacent support rods, the clamping plates are movably sleeved inside the two arc pipes, and two ends of the arc-shaped rod respectively penetrate through the interiors of the two corresponding arc-shaped tubes and are fixedly connected with the corresponding clamping plates.
Optionally, the left side fixedly connected with sealing ring of valve body inner wall, the sealing ring is located the left side of montant, the inboard of sealing ring is connected with the surface of toper filter screen.
Optionally, the elastic compression part is located between the fixed block and the annular sleeve, the left end of the elastic compression part is fixedly connected with the right side of the annular sleeve, and the right end of the elastic compression part is fixedly connected with the left side of the fixed block.
Optionally, a pressure gauge is fixedly mounted on the left side of the upper surface of the valve body and is located on the left side of the left connecting pipe.
Optionally, the arc length of the curved rod is twice the arc length of the inner wall of the curved tube.
Optionally, the tapered filter screen is conical in an open state, and the inner diameter of the right cross section of the tapered filter screen in the open state is equal to the inner diameter of the transverse pipe of the valve body.
The invention provides a valve type safety pressure relief device for a water delivery pipeline, which has the following beneficial effects:
1. when the liquid in the pipeline contains impurities and flows, through the matching among the filtering device, the fixed block, the pushing device, the annular valve block, the pressure stabilizing mechanism and the flat pressing device, when the liquid pressure in the left pipeline of the valve type safety pressure relief device is increased, the annular valve block is separated from the valve port, the left pipeline liquid moves to the right side, then impurities in the right internal liquid are filtered on the left side of the filtering device, the impurities on the left side of the filtering device are continuously accumulated, and the thrust of the filtering device to the right side is greater than the thrust of the elastic compression component to the left side of the filtering device, filter equipment contracts, makes accumulational impurity rush into the right side of valve port along with liquid then, can effectively avoid impurity adhesion between annular valve piece and valve port then, causes the valve to open too laggard to the sensitivity that can effectively strengthen the valve and open.
2. When the liquid in the pipeline contains impurities and flows, through the matching between the filtering device, the fixed block, the pushing device, the annular valve block, the pressure stabilizing mechanism and the flat pressing device, the pressure intensity of the liquid at the left side and the right side of the valve type safety pressure relief device tends to be equal, the thrust force of the liquid in the pipeline at the left side of the filtering device towards the right side is smaller than the component force of the elastic compression part for pushing the filtering device towards the left side, at the moment, the edge of the circumference at the outer side of the conical filter screen on the filtering device is hermetically connected with the inner side of the sealing ring, and then the liquid flowing in the valve type safety pressure relief device is filtered, so that the impurities in the pipeline at the left side are prevented from being positioned between the annular valve block and the valve port while the annular valve block and the valve port are closed, and the annular valve block and the valve port are not easy to be completely closed, and then the problem that the slight leakage is often caused under the normal working pressure is solved, therefore, the valve type safety pressure relief device for the water pipeline can effectively enhance the sealing effect between the annular valve block and the valve port.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged schematic view of the filter apparatus of FIG. 1;
FIG. 3 is a side schematic view of the molding apparatus of FIG. 1.
In the figure: 1. a valve body; 2. a connecting pipe; 3. a vertical rod; 4. a seal ring; 5. a filtration device; 51. a transverse bar; 52. a conical filter screen; 53. an annular sleeve; 54. a linkage rod; 55. a support bar; 6. a fixed block; 7. a molding device; 71. an arc tube; 72. an arcuate bar; 73. a clamping and connecting plate; 8. an elastic compression member; 9. a pressure gauge; 10. a pushing device; 11. an annular valve block; 12. a right connecting pipe; 13. a left connecting pipe; 14. a pressure stabilizing mechanism; 15. a flat pressing device; 16. connecting a pressure pipe; 17. and (4) valve ports.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-3, a valve type safety pressure relief device for a water pipeline comprises a valve body 1, a vertical rod 3 fixedly installed inside the valve body 1 and a pressure stabilizing mechanism 14 located above the valve body 1, wherein an annular valve block 11 is fixedly installed in the middle of the upper surface of the valve body 1, a sealing ring 4 is fixedly connected to the left side of the inner wall of the valve body 1, the sealing ring 4 is located on the left side of the vertical rod 3, the inner side of the sealing ring 4 is connected to the outer surface of a conical filter screen 52, a pressure gauge 9 is fixedly installed on the left side of the upper surface of the valve body 1, the pressure gauge 9 is located on the left side of a left connecting pipe 13, a valve port 17 is formed in the middle of the inner side of the valve body 1, the annular valve block 11 is movably sleeved at the bottom of a pushing device 10, the bottom of the annular valve block 11 penetrates through the valve body 1 and is movably sleeved with the inside of the valve port 17, a pressure stabilizing mechanism 15 is fixedly installed at the bottom of the pressure stabilizing mechanism 14, the bottom of the pressure stabilizing device 15 is fixedly connected to the top of the pushing device 10 through a connecting pipe 16, the left side of the upper surface of the valve body 1 is fixedly connected with the left side of the pressure stabilizing mechanism 14, a baffle is arranged at the top of the inner cavity of the transverse pipe of the valve body 1 and is positioned at the left side of the bottom end of the left connecting pipe 13, so that impurities are prevented from being adsorbed into the left connecting pipe 13 when flowing through to block the left connecting pipe 13, the right side of the valve body 1 is fixedly connected with the connecting pipe 2, and the upper surface of the connecting pipe 2 is fixedly connected with the right side of the flat pressing device 15 through the right connecting pipe 12;
the middle part of the vertical rod 3 is fixedly sleeved with a filtering device 5 through a fixing block 6, the thrust of liquid in a left pipeline of the filtering device 5 towards the right side is smaller than the component force of the elastic compression component 8 for pushing the filtering device 5 towards the left side, at the moment, the edge of the outer circumference of a conical filtering net 52 on the filtering device 5 is in sealing connection with the inner side of a sealing ring 4, and then the liquid flowing by the valve type safety pressure relief device is filtered, so that impurities in the left pipeline are positioned between the annular valve block 11 and a valve port 17 while the annular valve block 11 and the valve port 17 are closed, and then the annular valve block 11 and the valve port 17 are not easy to be completely closed, and the problem that slight leakage is often caused under normal working pressure is also caused, the filtering device 5 comprises a transverse rod 51, the conical filtering net 52 is fixedly sleeved on the left side of the outer surface of the transverse rod 51, the conical filtering net 52 is in a conical shape under an open state, and the inner diameter of the right cross section of the conical filtering net 52 under an open state is equal to the inner diameter of the transverse pipe of the valve body 1, then, the conical filter screen 52 in the fully extended state is ensured to be hermetically connected with the inner diameter of the transverse pipe of the valve body 1, impurities in a left pipeline are prevented from being mixed between the conical filter screen 52 in the fully extended state and the inner cavity of the transverse pipe of the valve body 1, the middle part of the outer surface of the transverse rod 51 is movably sleeved with the annular sleeve 53, the right side of the conical filter screen 52 is fixedly provided with the support rod 55, the support rod 55 is fixedly connected with the annular sleeve 53 through the linkage rod 54, the outer surface of the transverse rod 51 is movably sleeved with the elastic compression part 8, the component force of the elastic compression part 8 pushing the filter device 5 leftwards is larger than the thrust of the left maximum water flow to the filter device 5, the elastic compression part 8 is positioned between the fixed block 6 and the annular sleeve 53, the left end of the elastic compression part 8 is fixedly connected with the right side of the annular sleeve 53, and the right end of the elastic compression part 8 is fixedly connected with the left side of the fixed block 6, the number of the supporting rods 55 is four, the four supporting rods 55 are fixedly connected with each other by the forming device 7, when the impurities on the left side of the filtering device 5 are continuously accumulated, and the thrust force of the filtering device 5 towards the right side is greater than the thrust force of the elastic compression part 8 to the filtering device 5 towards the left side, the filtering device 5 is contracted, so that the accumulated impurities are flushed into the right side of the valve port 17 along with liquid, the impurities can be effectively prevented from being adhered between the annular valve block 11 and the valve port 17, the valve is opened too late, and the sensitivity of the valve in opening can be effectively enhanced, the forming device 7 comprises an arc-shaped pipe 71, an arc-shaped rod 72 and a clamping plate 73, the arc-shaped pipes 71 are fixedly connected with the adjacent sides of the two supporting rods 55, the clamping plates 73 are movably sleeved in the two arc-shaped pipes 71, two ends of the arc-shaped rod 72 respectively penetrate through the interiors of the two corresponding arc-shaped pipes 71 and are fixedly connected with the corresponding clamping plates 73, the arc length value of arc pole 72 is the twice of arc length value of the inner wall of arc pipe 71, then when filter equipment 5 contracts, can make the both ends of arc pole 72 evenly contract respectively in the arc pipe 71 that corresponds both sides, avoid arc pole 72 both sides arc pipe 71 length inequality then, be not convenient for stretch out and draw back it to prevent to influence filter equipment 5 and carry out the smoothness nature of the state of stretching out and drawing back.
When the valve type safety pressure relief device works, when the pressure intensity of liquid in a left pipeline of the valve type safety pressure relief device is increased, the annular valve block 11 is separated from the valve port 17, the liquid in the left pipeline moves towards the right side to drive the transverse plug in the pressure stabilizing mechanism 14 to move upwards, the thrust of the liquid in the left pipeline towards the right side to the filtering device 5 is smaller than the component force of the elastic compression component 8 pushing the filtering device 5 towards the left side, the elastic expansion component in the pressure stabilizing mechanism 14 is downward elastic, the filtering device 5 is in a fully extended state, impurities in the liquid in the right pipeline are filtered on the left side of the filtering device 5, so that the liquid in the left connecting pipe 13 and the liquid in the pressure stabilizing mechanism 14 are communicated through the flat pressing device 15 to drive the pressure stabilizing mechanism 14 to be separated from the valve port 17, the liquid in the left pipeline of the valve type safety pressure relief device moves towards the right side, then the impurities support the conical, and consequently no impurities can accumulate or adhere between the annular valve block 11 and the valve port 17 in the closed state.
When the annular valve block 11 is separated from the valve port 17, the liquids on both sides are communicated, when the pressures of the liquids on the left and right sides of the valve type safety pressure relief device tend to be equal, the thrust force of the liquid in the left pipeline of the filter device 5 towards the right side is smaller than the component force of the elastic compression part 8 pushing the filter device 5 towards the left side, the edge of the outer circumference of the conical filter screen 52 on the filter device 5 is hermetically connected with the inner side of the sealing ring 4 at the moment, and then the liquid flowing through the valve type safety pressure relief device is filtered, so that the impurities in the left pipeline are prevented from being located between the annular valve block 11 and the valve port 17 while the annular valve block 11 and the valve port 17 are closed, and the annular valve block 11 and the valve port 17 are not easy to be completely closed.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (2)
1. The utility model provides a valve type safety pressure relief device for conduit, includes valve body (1), fixed mounting at inside montant (3) of valve body (1) and be located pressure stabilizing mechanism (14) of valve body (1) top, its characterized in that: the middle of the upper surface of the valve body (1) is fixedly provided with an annular valve block (11), the middle of the inner side of the valve body (1) is provided with a valve port (17), the bottom of the pushing device (10) is movably sleeved with the annular valve block (11), the bottom of the annular valve block (11) penetrates through the valve body (1) and is movably sleeved with the inside of the valve port (17), the bottom of the pressure stabilizing mechanism (14) is fixedly provided with a pressure equalizing device (15), the bottom of the pressure equalizing device (15) is fixedly connected with the top of the pushing device (10) through a connecting pipe (16), the left side of the upper surface of the valve body (1) is fixedly connected with the left side of the pressure stabilizing mechanism (14), the right side of the valve body (1) is fixedly connected with a connecting pipe (2), and the upper surface of the connecting pipe (2) is fixedly connected with the right side of the pressure equalizing device (15) through a right connecting pipe (12);
the middle part of montant (3) has fixedly cup jointed filter equipment (5) through fixed block (6), filter equipment (5) are including horizontal pole (51), the left side of horizontal pole (51) surface is fixed and has been cup jointed toper filter screen (52), the middle part activity of horizontal pole (51) surface has been cup jointed annular cover (53), the right side fixed mounting of toper filter screen (52) has bracing piece (55), through trace (54) fixed connection between bracing piece (55) and annular cover (53), the surface activity of horizontal pole (51) has cup jointed elastic compression part (8), the quantity of bracing piece (55) is four, four through forming device (7) fixed connection between two liang of adjacent bracing piece (55), forming device (7) are including arc pipe (71), arc pole (72) and joint board (73), arc-shaped pipes (71) are fixedly connected to one adjacent side of each of the two support rods (55), clamping plates (73) are movably sleeved inside the two arc-shaped pipes (71), and two ends of each arc-shaped rod (72) penetrate through the corresponding two arc-shaped pipes (71) respectively and are fixedly connected with the corresponding clamping plates (73); the arc length value of the arc rod (72) is twice of the arc length value of the inner wall of the arc pipe (71); the conical filter screen (52) is conical in an open state, and the inner diameter of the right cross section of the conical filter screen (52) in the open state is equal to the inner diameter of the transverse pipe of the valve body (1);
the left side of the inner wall of the valve body (1) is fixedly connected with a sealing ring (4), the sealing ring (4) is positioned on the left side of the vertical rod (3), and the inner side of the sealing ring (4) is connected with the outer surface of the conical filter screen (52);
elastic compression part (8) are located between fixed block (6) and annular cover (53), the left end of elastic compression part (8) and the right side fixed connection of annular cover (53), the right-hand member of elastic compression part (8) and the left side fixed connection of fixed block (6).
2. The valve type safety pressure relief device for water pipe according to claim 1, wherein: the left side fixed mounting of valve body (1) upper surface has manometer (9), manometer (9) are located the left side of left connecting pipe (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010097941.7A CN111306332B (en) | 2019-01-15 | 2019-01-15 | Valve type safety pressure relief device for water delivery pipeline |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010097941.7A CN111306332B (en) | 2019-01-15 | 2019-01-15 | Valve type safety pressure relief device for water delivery pipeline |
| CN201910035401.3A CN109707882B (en) | 2019-01-15 | 2019-01-15 | Valve type safety pressure relief device for water delivery pipeline |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910035401.3A Division CN109707882B (en) | 2019-01-15 | 2019-01-15 | Valve type safety pressure relief device for water delivery pipeline |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111306332A CN111306332A (en) | 2020-06-19 |
| CN111306332B true CN111306332B (en) | 2021-09-21 |
Family
ID=66260127
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910035401.3A Active CN109707882B (en) | 2019-01-15 | 2019-01-15 | Valve type safety pressure relief device for water delivery pipeline |
| CN202010097941.7A Active CN111306332B (en) | 2019-01-15 | 2019-01-15 | Valve type safety pressure relief device for water delivery pipeline |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910035401.3A Active CN109707882B (en) | 2019-01-15 | 2019-01-15 | Valve type safety pressure relief device for water delivery pipeline |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN109707882B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4360037A (en) * | 1981-01-05 | 1982-11-23 | Anthony Manufacturing Corp. | Self-cleaning filter assembly for solenoid-actuated valve |
| CN204226806U (en) * | 2013-08-02 | 2015-03-25 | 丹尼尔测量和控制公司 | Flow system closes auxiliary control valve with having |
| CN105536321A (en) * | 2015-12-09 | 2016-05-04 | 青岛高校重工机械制造有限公司 | Bend pipe with cushion body |
| CN106582082A (en) * | 2016-12-30 | 2017-04-26 | 中盐东兴盐化股份有限公司 | Novel salt solution impurity removing box |
| CN107261593A (en) * | 2017-06-22 | 2017-10-20 | 嘉兴三乐实业有限公司 | A kind of quick change filter |
| CN107543000A (en) * | 2017-09-08 | 2018-01-05 | 贵州联创管业有限公司 | A kind of HDPE Water supplying tube joints with filtering function |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3626728A1 (en) * | 1986-08-07 | 1988-02-18 | Leistritz Ag | Exhaust-purifying device for motor vehicles |
| DE3834997A1 (en) * | 1988-10-14 | 1990-04-19 | Danfoss As | WATER SPOUT ARMATURE WITH MUFFLER INSERT |
| CN2532904Y (en) * | 2002-02-20 | 2003-01-29 | 闻长庆 | Filter |
| CN202812344U (en) * | 2012-09-11 | 2013-03-20 | 天津市易泰柯自动控制设备有限公司 | Pressure-relief safety valve |
| CN106731107A (en) * | 2017-03-15 | 2017-05-31 | 南京谷牛智能科技有限公司 | A kind of pressure difference automatic flushing filtering system |
| RU2666403C1 (en) * | 2018-01-22 | 2018-09-07 | Марина Зиевна Цинцадзе | Conical jet scrubber |
-
2019
- 2019-01-15 CN CN201910035401.3A patent/CN109707882B/en active Active
- 2019-01-15 CN CN202010097941.7A patent/CN111306332B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4360037A (en) * | 1981-01-05 | 1982-11-23 | Anthony Manufacturing Corp. | Self-cleaning filter assembly for solenoid-actuated valve |
| CN204226806U (en) * | 2013-08-02 | 2015-03-25 | 丹尼尔测量和控制公司 | Flow system closes auxiliary control valve with having |
| CN105536321A (en) * | 2015-12-09 | 2016-05-04 | 青岛高校重工机械制造有限公司 | Bend pipe with cushion body |
| CN106582082A (en) * | 2016-12-30 | 2017-04-26 | 中盐东兴盐化股份有限公司 | Novel salt solution impurity removing box |
| CN107261593A (en) * | 2017-06-22 | 2017-10-20 | 嘉兴三乐实业有限公司 | A kind of quick change filter |
| CN107543000A (en) * | 2017-09-08 | 2018-01-05 | 贵州联创管业有限公司 | A kind of HDPE Water supplying tube joints with filtering function |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109707882B (en) | 2020-04-17 |
| CN111306332A (en) | 2020-06-19 |
| CN109707882A (en) | 2019-05-03 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN211525090U (en) | Pump head for self-balancing multistage heart pump | |
| CN111306332B (en) | Valve type safety pressure relief device for water delivery pipeline | |
| CN217854801U (en) | High-airtightness filter | |
| CN208320100U (en) | A kind of modified form Vacuum filtration device | |
| CN212839725U (en) | Valve with filtering capability | |
| CN212383293U (en) | Water purification unit convenient to change and strain a section of thick bamboo | |
| CN112717521A (en) | Liquid filter | |
| CN215654197U (en) | Large-flux pollution discharge pre-filter | |
| CN220633238U (en) | Drinking water purifying device | |
| CN214327107U (en) | Detachable stainless steel funnel | |
| CN209735090U (en) | Chemical filtering device | |
| CN219013433U (en) | Automatic recirculation flow dividing valve | |
| CN211270120U (en) | Multifunctional household tap water purifying device | |
| CN215842009U (en) | Combined multi-core glass fiber reinforced plastic filter | |
| CN210214882U (en) | Butterfly tube type reverse osmosis water purifier | |
| CN210699097U (en) | Full copper filter | |
| CN215559992U (en) | A quick extraction element for antibody production | |
| CN219502161U (en) | Adjustable Y-shaped filter | |
| CN208519307U (en) | A kind of pipeline valve anti-block apparatus | |
| CN216934958U (en) | Household water purifier | |
| CN214389166U (en) | Launching control module | |
| CN211435289U (en) | Sample water filter for water treatment | |
| CN219539571U (en) | Water quality filtering and purifying device for rural water supply engineering | |
| CN210964143U (en) | Six ally oneself with suction filter devices | |
| CN219077559U (en) | Quantitative filling structure of immunoglobulin oral liquid |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20210902 Address after: Room 301, floor 3, building 6, Hongkun financial Valley, Shoubaozhuang, Xihongmen Town, Daxing District, Beijing 100162 Applicant after: BEIJING DAFENG TAIHAO ENVIRONMENTAL PROTECTION ENGINEERING Co.,Ltd. Address before: 325300 Zhoucun three hundred Lane 17, Dazhen Town, Wencheng County, Wenzhou, Zhejiang Applicant before: Hu Haichao |
|
| TA01 | Transfer of patent application right | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |