CN204001185U - A kind of pendulum model automatic control pollution cutting device - Google Patents
A kind of pendulum model automatic control pollution cutting device Download PDFInfo
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- CN204001185U CN204001185U CN201420456948.3U CN201420456948U CN204001185U CN 204001185 U CN204001185 U CN 204001185U CN 201420456948 U CN201420456948 U CN 201420456948U CN 204001185 U CN204001185 U CN 204001185U
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- valve plate
- gear
- rotating shaft
- pipe
- bearing support
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- 238000007667 floating Methods 0.000 claims abstract description 27
- 230000005540 biological transmission Effects 0.000 claims abstract description 26
- 230000007246 mechanism Effects 0.000 claims abstract description 10
- 238000007789 sealing Methods 0.000 claims description 6
- 230000015572 biosynthetic process Effects 0.000 claims description 4
- 230000001105 regulatory effect Effects 0.000 claims description 4
- 230000001154 acute effect Effects 0.000 claims description 3
- 239000010865 sewage Substances 0.000 abstract description 57
- 230000006872 improvement Effects 0.000 abstract description 6
- 238000012423 maintenance Methods 0.000 abstract description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 21
- 230000009471 action Effects 0.000 description 12
- 230000005484 gravity Effects 0.000 description 12
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 239000002689 soil Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 208000002925 dental caries Diseases 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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Abstract
The utility model discloses a kind of pendulum model automatic control pollution cutting device, comprise installing plate, valve plate, the mouth of pipe, transmission mechanism, ball float, described transmission mechanism comprises bearing support, rotating shaft, described bearing support is fixed on installing plate, described rotating shaft is flexibly connected with bearing support, one end of rotating shaft is near installing plate, the other end is away from installing plate, and rotating shaft two ends are equipped with internal gear, on described ball float, be fixed with floating ball rod, floating ball rod is provided with external gear away from one end of ball float, described outer gear sleeve is connected to rotating shaft away from the internal gear of bearing support one end, described valve plate is positioned at that the mouth of pipe is outer can the shutoff mouth of pipe, on described valve plate, be fixed with valve plate connecting rod, described valve plate connecting rod is provided with valve plate gear away from one end of valve plate, described floating ball rod and horizontal direction have certain angle.After having adopted this structure, improvement cost is low, and demolition and maintenance are convenient, protected ecological environment, reduced cost of sewage disposal.
Description
Technical field
The utility model relates to a kind of pendulum model automatic control pollution cutting device.
Background technology
Building pipeline comprises the balcony pipeline of resident family and is positioned at the storm sewer on roof, pipeline in community on balcony is directly to access storm sewer and be finally disposed to river course in design, but in actual life, the resident family that has community removes washing machine to balcony, causes washing machine discharge to send out sewage and directly enters storm sewer; Due to early-stage rainwater, dissolved the pollution gas such as airborne a large amount of sour gas, vehicle exhaust, plant gas, early-stage rainwater directly enters and is positioned at roof rain water pipeline final discharge river course, thereby pollutes.The employing interflow formula draining system of damming is that the current a kind of investment of China is relatively less, relatively easy better selection is built in transformation, the outlet of method Shi community storm sewer arranges catchpit, sewage is dammed to sewage conduct, but some catchpit is in manufacturing process, the absolute altitude at rainwater mouth of pipe ratio sewage critical point is low, thereby so just there will be sewage to enter the situation of rain pipe polluted river channel.
Utility model content
The purpose of this utility model is to solve catchpit in manufacturing process, and the absolute altitude at rainwater mouth of pipe ratio sewage critical point is low, thereby sewage enters the problem of rain pipe polluted river channel.
A kind of pendulum model automatic control pollution cutting device, comprise installing plate, valve plate, the mouth of pipe, transmission mechanism, ball float, the described mouth of pipe is arranged on installing plate sidewall and with it and is communicated with, described transmission mechanism comprises bearing support, rotating shaft, described bearing support is fixed on installing plate, described rotating shaft is flexibly connected with bearing support, one end of rotating shaft is near installing plate, the other end is away from installing plate, and rotating shaft two ends are equipped with internal gear, on described ball float, be fixed with floating ball rod, floating ball rod is provided with external gear away from one end of ball float, it is outer and be engaged with transmission away from the internal gear of bearing support one end that described outer gear sleeve is connected to rotating shaft, described valve plate is positioned at that the mouth of pipe is outer can the shutoff mouth of pipe, on described valve plate, be fixed with valve plate connecting rod, described valve plate connecting rod is provided with valve plate gear away from one end of valve plate, this valve plate gear can mesh with the internal gear near bearing support, described floating ball rod and horizontal direction have certain angle, this angle is acute angle, the initial position of ball float is positioned at outside the side of installing plate away from one end of valve plate.
As further improvement of the utility model, described valve plate connecting rod is also the external gear that is socketed on outside internal gear and is engaged with transmission away from the valve plate gear of one end of valve plate, thus rotating in same direction while making valve plate all be connected and rotate with rotating shaft flexible connection formation is coaxial with ball float.
As further improvement of the utility model, on described installing plate, be connected with adjustable plate, described adjustable plate and installing plate surround a cavity, one end of bearing support is positioned at this cavity, described adjustable plate is provided with through hole big or small and that external gear is suitable, described adjustable plate is provided with adjusting rod and the gear shaft being flexibly connected with adjustable plate near through hole, one end of described adjusting rod is positioned at outside cavity and is fixed with regulating handle, described adjusting rod is provided with the first gear with internal gear engagement near bearing support, described valve plate gear be movably connected on gear shaft and can with the first meshed transmission gear, described rotating shaft is fixed with the second gear near one end of bearing support, described installing plate is near the second detachable lock-screw that is fixed with in end, gear one end, on described installing plate, be fixed with gag lever post, the extended line of gag lever post length direction is positioned at valve plate gear towards a side of installing plate.
As further improvement of the utility model, in the described mouth of pipe, be provided with sealing ring.
The beneficial effects of the utility model are: after having adopted this structure; under the prerequisite of interflow formula draining system is dammed in employing; this pendulum model automatic control pollution cutting device is installed in catch basin; improvement cost is low; demolition and maintenance are convenient; and pendulum model automatic control pollution cutting device can make sewage enter the soil pipe in community, and when the rainy day, can avoid a large amount of rainwater to enter soil pipe, protect ecological environment, reduced cost of sewage disposal.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the utility model embodiment 1.
Fig. 2 is the internal construction schematic diagram of the lateral view of Fig. 1.
Fig. 3 is the partial enlarged drawing of Fig. 2.
Fig. 4 is is the schematic diagram of the utility model embodiment 2.
Fig. 5 is the internal construction schematic diagram of the lateral view of Fig. 4.
Fig. 6 is the partial enlarged drawing of Fig. 5.
Shown in figure: 1 installing plate, 2 valve plates, 3 mouths of pipe, 4 ball floats, 5 bearing supports, 6 rotating shafts, 7 internal gears, 8 floating ball rods, 9 external gears, 10 valve plate connecting rods, 11 valve plate gears, 12 adjustable plates, 13 cavitys, 14 adjusting rods, 15 gear shafts, 16 first gears, 17 second gears, 18 lock-screws, 19 gag lever posts, 20 sealing rings.
The specific embodiment
Below in conjunction with Fig. 1,2,3,4,5,6, the utility model is described further.
As Fig. 1, 2, shown in 3, the utility model embodiment 1: a kind of pendulum model automatic control pollution cutting device, comprise installing plate 1, valve plate 2, the mouth of pipe 3, transmission mechanism, ball float 4, the described mouth of pipe 3 is arranged on installing plate 1 sidewall and with it and is communicated with, described transmission mechanism comprises bearing support 5, rotating shaft 6, described bearing support 5 is fixed on installing plate 1, described rotating shaft 6 is flexibly connected with bearing support, one end of rotating shaft is near installing plate, the other end is away from installing plate, and rotating shaft two ends are equipped with internal gear 7, on described ball float, be fixed with floating ball rod 8, floating ball rod is provided with external gear 9 away from one end of ball float, it is outer and be engaged with transmission away from the internal gear of bearing support one end that described outer gear sleeve is connected to rotating shaft, described valve plate 2 is positioned at that the mouth of pipe is outer can the shutoff mouth of pipe, on described valve plate, be fixed with valve plate connecting rod 10, described valve plate connecting rod 10 is provided with valve plate gear 11 away from one end of valve plate, this valve plate gear can mesh with the internal gear near bearing support, described floating ball rod 8 has certain angle with horizontal direction, this angle is acute angle, the initial position of ball float 4 is positioned at outside the side of installing plate 1 away from one end of valve plate 2, described valve plate connecting rod 10 is also the external gear that is socketed on outside internal gear and is engaged with transmission away from the valve plate gear 11 of one end of valve plate, thereby rotating in same direction while making valve plate all be connected and rotate with rotating shaft flexible connection formation is coaxial with ball float.
As Fig. 4, 5, shown in 6, the utility model embodiment 2: a kind of pendulum model automatic control pollution cutting device, comprise installing plate 1, valve plate 2, the mouth of pipe 3, transmission mechanism, ball float 4, the described mouth of pipe 3 is arranged on installing plate 1 sidewall and with it and is communicated with, described transmission mechanism comprises bearing support 5, rotating shaft 6, described bearing support 5 is fixed on installing plate 1, described rotating shaft 6 is flexibly connected with bearing support, one end of rotating shaft is near installing plate, the other end is away from installing plate, and rotating shaft two ends are equipped with internal gear 7, on described ball float, be fixed with floating ball rod 8, floating ball rod is provided with external gear 9 away from one end of ball float, it is outer and be engaged with transmission away from the internal gear of bearing support one end that described outer gear sleeve is connected to rotating shaft, described valve plate 2 is positioned at that the mouth of pipe is outer can the shutoff mouth of pipe, on described valve plate, be fixed with valve plate connecting rod 10, described valve plate connecting rod 10 is provided with valve plate gear 11 away from one end of valve plate, this valve plate gear can mesh with the internal gear near bearing support, described floating ball rod 8 has certain angle with horizontal direction, the initial position of ball float 4 is positioned at outside the side of installing plate 1 away from one end of valve plate 2, on described installing plate, be connected with adjustable plate 12, described adjustable plate 12 surrounds a cavity 13 with installing plate 1, one end of bearing support 5 is positioned at this cavity, described adjustable plate 12 is provided with through hole big or small and that external gear 9 is suitable, described adjustable plate is provided with adjusting rod 14 and the gear shaft 15 being flexibly connected with adjustable plate near through hole, one end of described adjusting rod 14 is positioned at outside cavity 13 and is fixed with regulating handle, described adjusting rod 14 is provided with the first gear 16 with internal gear 7 engagement near bearing support 5, described valve plate gear 11 be movably connected on gear shaft 15 and can with the first gear 16 engaged transmission, described rotating shaft 6 is fixed with the second gear 17 near one end of bearing support 5, described installing plate 1 is near the second detachable lock-screw 18 that is fixed with in end, gear one end, on described installing plate, be fixed with gag lever post 19, the extended line of gag lever post 19 length directions is positioned at valve plate gear towards a side of installing plate, in the described mouth of pipe, be provided with sealing ring 20.
The dirty current divider of pendulum model rain in the utility model embodiment 1 is installed on the rainwater mouth of pipe of catchpit, before use, by installing plate be fixed in catchpit inwall the mouth of pipe 3 is communicated with the rainwater mouth of pipe, the initial position of ball float 4 is positioned at outside the side of installing plate 1 away from one end of valve plate 2, can according to the height of the catchpit sewage mouth of pipe, manufacture the floating ball rod 8 of corresponding length, guarantee that ball float height is higher than the sewage mouth of pipe of catch basin.During use, owing to being fixed with floating ball rod 8 on ball float, floating ball rod is provided with external gear 8 away from one end of ball float, it is outer and be engaged with transmission away from the internal gear of bearing support one end that outer gear sleeve is connected to rotating shaft, valve plate connecting rod 9 is provided with valve plate gear 10 away from one end of valve plate, this valve plate gear can mesh with the internal gear near bearing support, valve plate connecting rod 9 is also the external gear that is socketed on outside internal gear and is engaged with transmission away from the valve plate gear 10 of one end of valve plate, thereby while making valve plate all be connected and rotate with rotating shaft flexible connection formation is coaxial with ball float, (even floating ball rod drives ball float to rotate counterclockwise to rotating in same direction, valve plate connecting rod drives valve plate to rotate counterclockwise).When fine day, in water inlet, be all sanitary sewage, the water yield is less, and the water level in catchpit body is low, and ball float 4 makes valve plate 2 in closed condition under Action of Gravity Field, and now sewage all flows to sewage network via the sewage mouth of pipe of catchpit.During rainfall, the rainfall initial stage water yield is less, the pollution gas such as airborne a large amount of sour gas, vehicle exhaust, plant gas due to early-stage rainwater, have been dissolved, therefore design is upper more reasonable from the sewage mouth of pipe delivery ratio of catchpit, ball float 4 makes valve plate 2 in closed condition under Action of Gravity Field, and now sewage all flows to sewage network via the sewage mouth of pipe of catchpit; Along with rainfall increases, water level in catchpit well body also rises thereupon gradually, because rain pipe absolute altitude ratio sewage pipe length low and floating ball rod 8 is according to the height manufacture of the catchpit sewage mouth of pipe, ball float height is higher than the sewage mouth of pipe of catch basin, now ball float 4 raises gradually under the effect of buoyancy, drive valve plate 2 to open gradually, continuation along with rainfall, water level in well body further rises, until ball float drives valve plate 2 to open completely, so thereby rainwater has now avoided a large amount of rainwater to enter into sewage network via the discharge of storm-water drainage mouth mostly.
The dirty current divider of pendulum model rain in the utility model embodiment 2 both can be installed on the rainwater mouth of pipe of catchpit, also can be installed on the sewage mouth of pipe of catchpit.Lock-screw 17 locks in use and prevents that the second gear 10 is significantly movable, when needs are adjusted the second gear 10 position, pull down lock-screw 17, in the time of need to adjusting the first gear 15 position, be that the regulating handle that is positioned on adjusting rod 13 outside cavity 12 is realized by pulling, be that gag lever post 18 is used for locating the position after the second gear 10 is adjusted by pulling rotating shaft 6 away from the realization of bearing support one end need to adjust the second gear 10 position time.The sealing ring being provided with in the mouth of pipe, guarantees that sealing is water-tight.
The utility model embodiment 2 is according to different situation settings, when being installed on the sewage mouth of pipe of catchpit, if the absolute altitude at rainwater mouth of pipe ratio sewage critical point will be low catchpit, while being installed on the sewage mouth of pipe of catchpit, the sewage mouth of pipe of catchpit also needs to install one; If the absolute altitude at rainwater mouth of pipe ratio sewage critical point is wanted high catchpit, only need to install one, but must note while installing making ball float 4 one end that floating ball rod 8 is provided with towards catch basin bottom.
The absolute altitude at rainwater mouth of pipe ratio sewage critical point will be low catchpit: adjust each gear position and make: the catchpit that is arranged on the sewage mouth of pipe: during installation, must note making ball float 4 one end that floating ball rod 8 is provided with towards catch basin bottom, adjust the second gear 10 and valve plate gear 10 engaged transmission, make valve plate 2 and ball float 4 rotate backward that (even floating ball rod drives ball float to rotate counterclockwise, valve plate connecting rod drives valve plate to clockwise rotate, and this design, when initial, ball float 4 makes valve plate 2 in opening under Action of Gravity Field).Be arranged on the catchpit of the sewage mouth of pipe: the initial position of ball float 4 is positioned at outside the side of installing plate 1 away from one end of valve plate 2, according to the height of the catchpit sewage mouth of pipe, manufacture the floating ball rod 8 of corresponding length, guarantee that ball float height is higher than the sewage mouth of pipe of catch basin, adjust each gear position and make internal gear 7 and the first gear 15 engaged transmission, the first gear 15 and valve plate gear 10 engaged transmission, make valve plate 2 and ball float 4 rotating in same directions, it when fine day, in water inlet, is all sanitary sewage, the water yield is less, water level in catchpit body is low, the ball float 4 that is arranged on the catchpit of the sewage mouth of pipe makes valve plate 2 in opening under Action of Gravity Field, the ball float 4 of catchpit that is arranged on the rainwater mouth of pipe under Action of Gravity Field in making valve plate 2 closed conditions, now sewage all flows to sewage network via the sewage mouth of pipe of catchpit.During rainfall, the rainfall initial stage water yield is less, the ball float 4 that is arranged on the catchpit of the sewage mouth of pipe under Action of Gravity Field, make valve plate 2 in opening, be arranged on the rainwater mouth of pipe the ball float 4 of catchpit under Action of Gravity Field in making valve plate 2 closed conditions, now sewage all flows to sewage network via the sewage mouth of pipe of catchpit; Along with rainfall increases, water level in catchpit well body also rises thereupon gradually, now ball float 4 raises gradually under the effect of buoyancy, the ball float 4 that is arranged on the catchpit of the sewage mouth of pipe under Action of Gravity Field, make valve plate 2 in closed condition, be arranged on the rainwater mouth of pipe the ball float 4 of catchpit under Action of Gravity Field in making valve plate 2 openings, so thereby rainwater now mostly via storm-water drainage mouth, discharge and avoided a large amount of rainwater to enter into sewage network.
The absolute altitude at rainwater mouth of pipe ratio sewage critical point is wanted high catchpit: adjust each gear position and make the second gear 10 and valve plate gear 10 engaged transmission, make valve plate 2 and ball float 4 rotate backward that (even floating ball rod drives ball float to rotate counterclockwise, valve plate connecting rod drives valve plate to clockwise rotate, and this design, when initial, ball float 4 makes valve plate 2 in opening under Action of Gravity Field), it when fine day, in water inlet, is all sanitary sewage, the water yield is less, water level in catchpit body is low, ball float 4 makes valve plate 2 in opening under Action of Gravity Field, now sewage all flows to sewage network via the sewage mouth of pipe of catchpit.During rainfall, the rainfall initial stage water yield is less, and ball float 4 makes valve plate 2 in opening under Action of Gravity Field, and now sewage all flows to sewage network via the sewage mouth of pipe of catchpit; Along with rainfall increases, water level in catchpit well body also rises thereupon gradually, now ball float 4 raises gradually under the effect of buoyancy, drive valve plate 2 to close gradually, continuation along with rainfall, water level in well body further rises, until ball float drives valve plate 2 to close completely, so thereby rainwater has now avoided a large amount of rainwater to enter into sewage network via the discharge of storm-water drainage mouth mostly.
In the utility model, described floating ball rod 8 can not be right angle (otherwise cannot drive rotating shaft to rotate) with the angle of horizontal direction, can adopt various ways to guarantee the initial position of ball float valve rod, ball float valve rod backstay is for example set on installing plate 1, stop ball float valve rod to continue motion, can adopt the spacing of 1 of various ways assurance ball float valve rod and installing plate, for example in rotating shaft, be socketed float valve bar positioning sleeve outward to determine the position of rotating shaft one end internal gear, guarantee that ball float valve rod backstay can stop ball float valve rod.In order to guarantee the firm of bearing, can on installing plate 1, bearing supporting frame be set.
In sum; after having adopted this structure; under the prerequisite of interflow formula draining system is dammed in employing; this pendulum model automatic control pollution cutting device is installed in catch basin; improvement cost is low, and demolition and maintenance are convenient, and pendulum model automatic control pollution cutting device can make sewage enter the soil pipe in community; and when the rainy day, can avoid a large amount of rainwater to enter soil pipe, protect ecological environment, reduced cost of sewage disposal.
Those skilled in the art should know; protection scheme of the present utility model is not limited only to the above embodiments; can also on the basis of above-described embodiment, carry out various permutation and combination and conversion; under the prerequisite without prejudice to the utility model spirit, the various conversion that the utility model is carried out all drop in protection domain of the present utility model.
Claims (4)
1. a pendulum model automatic control pollution cutting device, it is characterized in that comprising installing plate (1), valve plate (2), the mouth of pipe (3), transmission mechanism, ball float (4), the described mouth of pipe (3) is arranged on installing plate (1) sidewall and with it and is communicated with, described transmission mechanism comprises bearing support (5), rotating shaft (6), described bearing support (5) is fixed on installing plate (1), described rotating shaft (6) is flexibly connected with bearing support, one end of rotating shaft is near installing plate, the other end is away from installing plate, and rotating shaft two ends are equipped with internal gear (7), on described ball float, be fixed with floating ball rod (8), floating ball rod is provided with external gear (9) away from one end of ball float, it is outer and be engaged with transmission away from the internal gear of bearing support one end that described outer gear sleeve is connected to rotating shaft, described valve plate (2) is positioned at that the mouth of pipe is outer can the shutoff mouth of pipe, on described valve plate, be fixed with valve plate connecting rod (10), described valve plate connecting rod (10) is provided with valve plate gear (11) away from one end of valve plate, this valve plate gear can mesh with the internal gear near bearing support, described floating ball rod (8) has certain angle with horizontal direction, this angle is acute angle, the initial position of ball float (4) is positioned at outside the side of installing plate (1) away from one end of valve plate (2).
2. a kind of pendulum model automatic control pollution cutting device according to claim 1, it is characterized in that described valve plate connecting rod (10) is also the external gear that is socketed on outside internal gear and is engaged with transmission away from the valve plate gear (11) of one end of valve plate, thus rotating in same direction while making valve plate all be connected and rotate with rotating shaft flexible connection formation is coaxial with ball float.
3. a kind of pendulum model automatic control pollution cutting device according to claim 1, it is characterized in that being connected with adjustable plate (12) on described installing plate, described adjustable plate (12) surrounds a cavity (13) with installing plate (1), one end of bearing support (5) is positioned at this cavity, described adjustable plate (12) is provided with through hole big or small and that external gear (9) is suitable, described adjustable plate is provided with adjusting rod (14) and the gear shaft (15) being flexibly connected with adjustable plate near through hole, one end of described adjusting rod (14) is positioned at outside cavity (13) and is fixed with regulating handle, described adjusting rod (14) is provided with the first gear (16) with internal gear (7) engagement near bearing support (5), described valve plate gear (11) be movably connected on gear shaft (15) upper and can with the first gear (16) engaged transmission, described rotating shaft (6) is fixed with the second gear (17) near one end of bearing support (5), described installing plate (1) is near the detachable lock-screw (18) that is fixed with in the second end, gear one end, on described installing plate, be fixed with gag lever post (19), the extended line of gag lever post (19) length direction is positioned at valve plate gear towards a side of installing plate.
4. according to a kind of pendulum model automatic control pollution cutting device described in any one in claims 1 to 3, it is characterized in that being provided with sealing ring (20) in the described mouth of pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420456948.3U CN204001185U (en) | 2014-08-14 | 2014-08-14 | A kind of pendulum model automatic control pollution cutting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420456948.3U CN204001185U (en) | 2014-08-14 | 2014-08-14 | A kind of pendulum model automatic control pollution cutting device |
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| Publication Number | Publication Date |
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| CN204001185U true CN204001185U (en) | 2014-12-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420456948.3U Expired - Lifetime CN204001185U (en) | 2014-08-14 | 2014-08-14 | A kind of pendulum model automatic control pollution cutting device |
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| CN (1) | CN204001185U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105971089A (en) * | 2016-06-24 | 2016-09-28 | 戴文平 | Double-door different-direction flow-limiting valve |
| CN107152072A (en) * | 2017-06-28 | 2017-09-12 | 中国市政工程中南设计研究总院有限公司 | A kind of waterpower control combined system channel cuts dirty method |
-
2014
- 2014-08-14 CN CN201420456948.3U patent/CN204001185U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105971089A (en) * | 2016-06-24 | 2016-09-28 | 戴文平 | Double-door different-direction flow-limiting valve |
| CN107152072A (en) * | 2017-06-28 | 2017-09-12 | 中国市政工程中南设计研究总院有限公司 | A kind of waterpower control combined system channel cuts dirty method |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
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| CX01 | Expiry of patent term |