CN211288099U - Horizontal centrifugal sand pump of stable form - Google Patents
Horizontal centrifugal sand pump of stable form Download PDFInfo
- Publication number
- CN211288099U CN211288099U CN201922445313.9U CN201922445313U CN211288099U CN 211288099 U CN211288099 U CN 211288099U CN 201922445313 U CN201922445313 U CN 201922445313U CN 211288099 U CN211288099 U CN 211288099U
- Authority
- CN
- China
- Prior art keywords
- fixedly arranged
- fixed
- magnetic rotor
- plate
- inlet pipe
- 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.)
- Expired - Fee Related
Links
Images
Landscapes
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model discloses a horizontal centrifugal sand pump of stable form, include: the motor shaft penetrates through the pump shell, the outer magnetic rotor is fixedly arranged at one end of the motor shaft, the isolating sleeve is arranged in the outer magnetic rotor, the inner magnetic rotor is arranged in the isolating sleeve, the transmission shaft is arranged at one end of the inner magnetic rotor, the impeller is arranged at one end of the transmission shaft, and the end cover is sleeved outside the impeller; the end cover is provided with a feed inlet and a discharge outlet, and a flow stabilizer is arranged in the discharge outlet; also includes a stabilizing base; utilize the current stabilizer to absorb pulse pressure on the one hand, convert pulse kinetic energy into static pressure energy for equipment output is stable, has improved the operating mass of equipment, has protected sand pump and relevant connected device, and on the other hand has optimized the fixed knot of equipment and has constructed, has both stabilized equipment, reduces vibrations and slope, can adjust equipment height again, and the flexibility is strong.
Description
Technical Field
The utility model belongs to the centrifugal pump field, in particular to horizontal centrifugal sand pump of stable form.
Background
The centrifugal sand pump is mainly used for matching with a circulating solid control system of an oil field drilling machine and has the function of providing drilling fluid with certain discharge capacity and pressure for a sand remover, a mud remover, a mixer and the like so as to ensure the high-efficiency work of the devices. Since the advent of centrifugal pumps in the thirty-four decades of the 20 th century, there has been a continuing development and a constant demand in the market. At present, more than 600 pump manufacturing enterprises in China exist, the annual output value is nearly 200 hundred million, and the pump manufacturing enterprises are continuously rising. Therefore, the centrifugal sand pump is indispensable equipment in modern industrial production.
However, due to the large market, while research on centrifugal sand pumps has never been stopped, there is still no development to the top of the technology and centrifugal sand pumps still have many points to be improved. For example, the medium is output by the impeller of the existing centrifugal sand pump, the output medium has pulse property, the output is not stable, the equipment is easily damaged, the service life of the related equipment is influenced, and meanwhile, the existing centrifugal sand pump has poor stability, is easy to vibrate and incline, influences the working process of the equipment and has low safety performance. Therefore, the centrifugal sand pump is innovated and improved in terms of the above problems.
The prior centrifugal sand pump mainly has the following problems:
1. the existing centrifugal sand pump adopts an impeller to output media, the output media have pulse properties, the output is not stable, the equipment is easily damaged, and the service life of the related equipment is influenced.
2. The existing centrifugal sand pump is poor in stability, easy to vibrate and incline, low in safety performance and capable of influencing the working process of equipment.
Disclosure of Invention
The purpose of the invention is as follows: in order to overcome not enough above, the utility model aims at providing a horizontal centrifugal sand pump of stable form utilizes the current stabilizer to absorb pulse pressure on the one hand, turns into the static pressure energy with pulse kinetic energy for equipment output is stable, has improved the operating mass of equipment, has protected sand pump and relevant connecting device, and on the other hand has optimized the fixed knot who installs and has constructed, has both stabilized equipment, reduces vibrations and slope, can adjust the equipment height again, and the flexibility is strong.
The technical scheme is as follows: in order to realize the above-mentioned purpose, the utility model provides a horizontal centrifugal sand pump of stable form, include: the motor shaft penetrates through the pump shell, the outer magnetic rotor is fixedly arranged at one end, located in the pump shell, of the motor shaft, the isolating sleeve is arranged in the outer magnetic rotor, the isolating sleeve is fixedly arranged on the inner surface of the pump shell, the inner magnetic rotor is arranged inside the isolating sleeve, the transmission shaft is fixedly arranged at one end of the inner magnetic rotor, the transmission shaft is arranged on the isolating sleeve through a bearing, the impeller is fixedly arranged at one end, away from the inner magnetic rotor, of the transmission shaft, the end cover is sleeved on the outer side of the impeller, and the end cover is fixedly arranged on the pump shell; the end cover is characterized in that a feeding hole is formed in the center of the end cover, a discharging hole is formed in the side edge of the end cover, and a current stabilizer is arranged in the discharging hole.
The utility model discloses in centrifugal sand pump's setting, it utilizes the current stabilizer to absorb pulse pressure, turns into the static pressure energy with pulse kinetic energy for equipment output is stable, has improved the operating mass with equipment, has protected sand pump and relevant connected device.
The flow stabilizer in the utility model comprises a liquid inlet pipe, a flow-slowing plate, a flow-slowing spring, a fixed plate and a backflow sleeve, wherein the liquid inlet pipe is fixedly arranged on the inner surface of the discharge port; a backflow sleeve is fixedly arranged on one side of the slow flow plate close to the liquid inlet pipe, and the backflow sleeve is sleeved on the liquid inlet pipe; the radial size of the backflow sleeve is larger than that of the liquid inlet pipe, a gap is formed between the backflow sleeve and the liquid inlet pipe, the radial size of the backflow sleeve is smaller than that of the inner surface of the discharge port, and a gap is formed between the backflow sleeve and the discharge port.
The utility model discloses in the setting of current regulator, it absorbs the kinetic energy in the pulse medium through the spring to change static pressure energy, steady medium output has on the one hand, and on the other hand has improved medium pressure.
The utility model discloses in the fixed plate adopt hollow out construction.
The utility model discloses in pump case bottom be provided with stable base, stable base includes fixed base plate, adjusting screw, regulating plate, driving sprocket, driving chain and driving motor, be provided with adjusting screw through the bearing on the fixed base plate, adjusting screw is provided with a plurality ofly, be provided with the regulating plate on the adjusting screw, the regulating plate is with adjusting screw thread contact; the adjusting screw is characterized in that a transmission chain wheel is fixedly arranged at the bottom of the adjusting screw, a transmission chain is connected to the transmission chain wheel, a driving motor is connected to one side of the transmission chain, and the driving motor is fixedly arranged on the fixed base plate.
The utility model discloses in the fixed knot who stabilizes the base constructs, has optimized equipment, has both stabilized equipment, reduces vibrations and slope, can adjust the equipment height again, and the flexibility is strong.
The utility model discloses in the driving chain be provided with one, all adjusting screw are connected to the driving chain.
The bottom of the fixed base plate is provided with a fixed seat, the fixed seat comprises a fixed support rod, a sealing sucker, a sealing piston end and a fixed electric cylinder, the bottom of the fixed base plate is fixedly provided with the fixed support rod, and one end of the fixed support rod, which is far away from the fixed base plate, is provided with the sealing sucker; the fixed support rod is hollow, a sealing piston end is arranged in the fixed support rod in a sliding mode, a fixed electric cylinder is fixedly arranged on one side of the sealing piston end, and the fixed electric cylinder is fixedly arranged on the fixed base plate.
The utility model discloses in the setting of fixing base, it utilizes the fixed stable base of negative pressure, and the fixity is good, has reduced the slope and the vibration of equipment, and it is fixed not need punch simultaneously, simple to operate, the flexibility is strong.
The utility model discloses in the inside filter screen that is provided with of fixed stay bar, filter screen separates fixed stay bar.
Above-mentioned technical scheme can find out, the utility model discloses following beneficial effect has:
1. the utility model discloses in a horizontal centrifugal sand pump of stable form, it utilizes the current stabilizer to absorb pulse pressure, turns into the static pressure energy with pulse kinetic energy for equipment output is stable, has improved the operating mass with equipment, has protected sand pump and relevant connected device.
2. The utility model discloses in a horizontal centrifugal sand pump of stable form, optimized the fixed knot of equipment and constructed, both stabilized equipment, reduce vibrations and slope, can adjust the equipment height again, the flexibility is strong.
3. The utility model discloses in a horizontal centrifugal sand pump of stable form, it utilizes the fixed stable base of negative pressure, the fixity is good, has reduced the slope and the vibration of equipment, need not punch simultaneously fixedly, simple to operate, the flexibility is strong.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is a schematic structural view of the current regulator of the present invention;
FIG. 3 is a schematic structural view of the stabilizing base of the present invention;
FIG. 4 is a schematic structural diagram of the transmission chain of the present invention;
FIG. 5 is a schematic structural view of the fixing base of the present invention;
in the figure: the device comprises a pump shell-1, a motor shaft-2, an outer magnetic rotor-3, an isolation sleeve-4, an inner magnetic rotor-5, a transmission shaft-6, an impeller-7, an end cover-8, a feed inlet-9, a discharge outlet-10, a flow stabilizer-11, a liquid inlet pipe-111, a slow flow plate-112, a slow flow spring-113, a fixed plate-114, a backflow sleeve-115, a stable base-12, a fixed base plate-121, an adjusting screw-122, an adjusting plate-123, a transmission chain wheel-124, a transmission chain-125, a driving motor-126, a fixed seat-127, a fixed support rod-1271, a sealing sucker-1272, a sealing piston end-1273, a fixed electric cylinder-1274 and a filtering screen-1275.
Detailed Description
The invention will be further elucidated with reference to the drawings and the specific embodiments.
Example 1
A stabilized horizontal centrifugal sand pump as shown in fig. 1-5, comprising: the motor comprises a pump shell 1, a motor shaft 2, an outer magnetic rotor 3, an isolation sleeve 4, an inner magnetic rotor 5, a transmission shaft 6, an impeller 7, an end cover 8, a feed inlet 9, a discharge outlet 10 and a current stabilizer 11, wherein the motor shaft 2 penetrates through the pump shell 1, the outer magnetic rotor 3 is fixedly arranged at one end of the motor shaft 2, which is positioned in the pump shell 1, the isolation sleeve 4 is arranged in the outer magnetic rotor 3, the isolation sleeve 4 is fixedly arranged on the inner surface of the pump shell 1, the inner magnetic rotor 5 is arranged in the isolation sleeve 4, the transmission shaft 6 is fixedly arranged at one end of the inner magnetic rotor 5, is arranged on the isolation sleeve 4 through a bearing, the impeller 7 is fixedly arranged at one end of the transmission shaft 6, which is far away from the inner magnetic rotor 5, the end cover 8 is sleeved; the center of the end cover 8 is provided with a feeding hole 9, the side edge of the end cover 8 is provided with a discharging hole 10, and a current stabilizer 11 is arranged in the discharging hole 10.
The flow stabilizer 11 in this embodiment includes a liquid inlet pipe 111, a flow buffering plate 112, a flow buffering spring 113, a fixing plate 114 and a return casing 115, the liquid inlet pipe 111 is fixedly disposed on the inner surface of the discharge port 10, the flow buffering plate 112 is disposed at one end of the liquid inlet pipe 111, one side of the flow buffering plate 112 away from the liquid inlet pipe 111 is connected to the flow buffering spring 113, one end of the flow buffering spring 113 away from the flow buffering plate 112 is connected to the fixing plate 114, and the fixing plate 114 is fixedly disposed on the inner surface of the discharge port 10; a backflow sleeve 115 is fixedly arranged on one side of the flow buffering plate 112 close to the liquid inlet pipe 111, and the backflow sleeve 115 is sleeved on the liquid inlet pipe 111; the radial size of the backflow sleeve 115 is larger than that of the liquid inlet pipe 111, a gap is formed between the backflow sleeve 115 and the liquid inlet pipe 111, the radial size of the backflow sleeve 115 is smaller than that of the inner surface of the discharge hole 10, and a gap is formed between the backflow sleeve 115 and the discharge hole 10.
The fixing plate 114 in this embodiment is a hollow structure.
The bottom of the pump shell 1 in this embodiment is provided with a stabilizing base 12, the stabilizing base 12 includes a fixed base plate 121, an adjusting screw 122, an adjusting plate 123, a transmission chain wheel 124, a transmission chain 125 and a driving motor 126, the fixed base plate 121 is provided with the adjusting screw 122 through a bearing, the adjusting screws 122 are provided with a plurality of adjusting plates 123, and the adjusting plates 123 are in threaded contact with the adjusting screws 122; the bottom of the adjusting screw 122 is fixedly provided with a transmission chain wheel 124, the transmission chain wheel 124 is connected with a transmission chain 125, one side of the transmission chain 125 is connected with a driving motor 126, and the driving motor 126 is fixedly arranged on the fixed substrate 121.
The driving chain 125 in this embodiment is provided with one, and the driving chain 125 is connected with all the adjusting screws 122.
In this embodiment, the bottom of the fixed substrate 121 is provided with a fixed seat 127, the fixed seat 127 includes a fixed support rod 1271, a sealing chuck 1272, a sealing piston end 1273 and a fixed electric cylinder 1274, the bottom of the fixed substrate 121 is fixedly provided with the fixed support rod 1271, and one end of the fixed support rod 1271 away from the fixed substrate 121 is provided with the sealing chuck 1272; the fixed support rod 1271 is hollow, a sealing piston end 1273 is slidably arranged in the fixed support rod 1271, a fixed electric cylinder 1274 is fixedly arranged on one side of the sealing piston end 1273, and the fixed electric cylinder 1274 is fixedly arranged on the fixed substrate 121.
The fixed support rod 1271 in this embodiment is provided with a filtering screen 1275 therein, and the filtering screen 1275 separates the fixed support rod 1271.
Example 2
A stabilized horizontal centrifugal sand pump as shown in fig. 1 and 2, comprising: the motor comprises a pump shell 1, a motor shaft 2, an outer magnetic rotor 3, an isolation sleeve 4, an inner magnetic rotor 5, a transmission shaft 6, an impeller 7, an end cover 8, a feed inlet 9, a discharge outlet 10 and a current stabilizer 11, wherein the motor shaft 2 penetrates through the pump shell 1, the outer magnetic rotor 3 is fixedly arranged at one end of the motor shaft 2, which is positioned in the pump shell 1, the isolation sleeve 4 is arranged in the outer magnetic rotor 3, the isolation sleeve 4 is fixedly arranged on the inner surface of the pump shell 1, the inner magnetic rotor 5 is arranged in the isolation sleeve 4, the transmission shaft 6 is fixedly arranged at one end of the inner magnetic rotor 5, is arranged on the isolation sleeve 4 through a bearing, the impeller 7 is fixedly arranged at one end of the transmission shaft 6, which is far away from the inner magnetic rotor 5, the end cover 8 is sleeved; the center of the end cover 8 is provided with a feeding hole 9, the side edge of the end cover 8 is provided with a discharging hole 10, and a current stabilizer 11 is arranged in the discharging hole 10.
The flow stabilizer 11 in this embodiment includes a liquid inlet pipe 111, a flow buffering plate 112, a flow buffering spring 113, a fixing plate 114 and a return casing 115, the liquid inlet pipe 111 is fixedly disposed on the inner surface of the discharge port 10, the flow buffering plate 112 is disposed at one end of the liquid inlet pipe 111, one side of the flow buffering plate 112 away from the liquid inlet pipe 111 is connected to the flow buffering spring 113, one end of the flow buffering spring 113 away from the flow buffering plate 112 is connected to the fixing plate 114, and the fixing plate 114 is fixedly disposed on the inner surface of the discharge port 10; a backflow sleeve 115 is fixedly arranged on one side of the flow buffering plate 112 close to the liquid inlet pipe 111, and the backflow sleeve 115 is sleeved on the liquid inlet pipe 111; the radial size of the backflow sleeve 115 is larger than that of the liquid inlet pipe 111, a gap is formed between the backflow sleeve 115 and the liquid inlet pipe 111, the radial size of the backflow sleeve 115 is smaller than that of the inner surface of the discharge hole 10, and a gap is formed between the backflow sleeve 115 and the discharge hole 10.
The fixing plate 114 in this embodiment is a hollow structure.
Example 3
A stabilized horizontal centrifugal sand pump as shown in figures 1, 3, 4 and 5 comprising: the motor comprises a pump shell 1, a motor shaft 2, an outer magnetic rotor 3, an isolation sleeve 4, an inner magnetic rotor 5, a transmission shaft 6, an impeller 7, an end cover 8, a feed inlet 9, a discharge outlet 10 and a current stabilizer 11, wherein the motor shaft 2 penetrates through the pump shell 1, the outer magnetic rotor 3 is fixedly arranged at one end of the motor shaft 2, which is positioned in the pump shell 1, the isolation sleeve 4 is arranged in the outer magnetic rotor 3, the isolation sleeve 4 is fixedly arranged on the inner surface of the pump shell 1, the inner magnetic rotor 5 is arranged in the isolation sleeve 4, the transmission shaft 6 is fixedly arranged at one end of the inner magnetic rotor 5, is arranged on the isolation sleeve 4 through a bearing, the impeller 7 is fixedly arranged at one end of the transmission shaft 6, which is far away from the inner magnetic rotor 5, the end cover 8 is sleeved; the center of the end cover 8 is provided with a feeding hole 9, the side edge of the end cover 8 is provided with a discharging hole 10, and a current stabilizer 11 is arranged in the discharging hole 10.
The bottom of the pump shell 1 in this embodiment is provided with a stabilizing base 12, the stabilizing base 12 includes a fixed base plate 121, an adjusting screw 122, an adjusting plate 123, a transmission chain wheel 124, a transmission chain 125 and a driving motor 126, the fixed base plate 121 is provided with the adjusting screw 122 through a bearing, the adjusting screws 122 are provided with a plurality of adjusting plates 123, and the adjusting plates 123 are in threaded contact with the adjusting screws 122; the bottom of the adjusting screw 122 is fixedly provided with a transmission chain wheel 124, the transmission chain wheel 124 is connected with a transmission chain 125, one side of the transmission chain 125 is connected with a driving motor 126, and the driving motor 126 is fixedly arranged on the fixed substrate 121.
The driving chain 125 in this embodiment is provided with one, and the driving chain 125 is connected with all the adjusting screws 122.
In this embodiment, the bottom of the fixed substrate 121 is provided with a fixed seat 127, the fixed seat 127 includes a fixed support rod 1271, a sealing chuck 1272, a sealing piston end 1273 and a fixed electric cylinder 1274, the bottom of the fixed substrate 121 is fixedly provided with the fixed support rod 1271, and one end of the fixed support rod 1271 away from the fixed substrate 121 is provided with the sealing chuck 1272; the fixed support rod 1271 is hollow, a sealing piston end 1273 is slidably arranged in the fixed support rod 1271, a fixed electric cylinder 1274 is fixedly arranged on one side of the sealing piston end 1273, and the fixed electric cylinder 1274 is fixedly arranged on the fixed substrate 121.
The fixed support rod 1271 in this embodiment is provided with a filtering screen 1275 therein, and the filtering screen 1275 separates the fixed support rod 1271.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications can be made without departing from the principles of the present invention, and these modifications should also be regarded as the protection scope of the present invention.
Claims (7)
1. The utility model provides a horizontal centrifugal sand pump of stable form which characterized in that: the method comprises the following steps: the motor comprises a pump shell (1), a motor shaft (2), an external magnetic rotor (3), an isolation sleeve (4), an internal magnetic rotor (5), a transmission shaft (6), an impeller (7), an end cover (8), a feed inlet (9), a discharge outlet (10) and a current stabilizer (11), wherein the motor shaft (2) penetrates through the pump shell (1), the external magnetic rotor (3) is fixedly arranged at one end of the motor shaft (2) positioned in the pump shell (1), the isolation sleeve (4) is arranged in the external magnetic rotor (3), the isolation sleeve (4) is fixedly arranged on the inner surface of the pump shell (1), the internal magnetic rotor (5) is arranged in the isolation sleeve (4), the transmission shaft (6) is fixedly arranged at one end of the internal magnetic rotor (5), the transmission shaft (6) is arranged on the isolation sleeve (4) through a bearing, and the impeller (7) is fixedly arranged at one end, far away from the internal magnetic rotor, an end cover (8) is sleeved on the outer side of the impeller (7), and the end cover (8) is fixedly arranged on the pump shell (1); the improved energy-saving water heater is characterized in that a feeding hole (9) is formed in the center of the end cover (8), a discharging hole (10) is formed in the side edge of the end cover (8), and a current stabilizer (11) is arranged in the discharging hole (10).
2. The stable horizontal centrifugal sand pump of claim 1, wherein: the flow stabilizer (11) comprises a liquid inlet pipe (111), a flow retarding plate (112), a flow retarding spring (113), a fixing plate (114) and a backflow sleeve (115), wherein the liquid inlet pipe (111) is fixedly arranged on the inner surface of the discharge hole (10), one end of the liquid inlet pipe (111) is provided with the flow retarding plate (112), one side, far away from the liquid inlet pipe (111), of the flow retarding plate (112) is connected with the flow retarding spring (113), one end, far away from the flow retarding plate (112), of the flow retarding spring (113) is connected with the fixing plate (114), and the fixing plate (114) is fixedly arranged on the inner surface of the discharge hole (10); a backflow sleeve (115) is fixedly arranged on one side, close to the liquid inlet pipe (111), of the flow buffering plate (112), and the liquid inlet pipe (111) is sleeved with the backflow sleeve (115); the radial size of the backflow sleeve (115) is larger than that of the liquid inlet pipe (111), a gap is formed between the backflow sleeve (115) and the liquid inlet pipe (111), the radial size of the backflow sleeve (115) is smaller than that of the inner surface of the discharge hole (10), and a gap is formed between the backflow sleeve (115) and the discharge hole (10).
3. The stable horizontal centrifugal sand pump of claim 2, wherein: the fixing plate (114) adopts a hollow structure.
4. The stable horizontal centrifugal sand pump of claim 1, wherein: the pump shell (1) is provided with a stable base (12) at the bottom, the stable base (12) comprises a fixed base plate (121), an adjusting screw (122), an adjusting plate (123), a transmission chain wheel (124), a transmission chain (125) and a driving motor (126), the adjusting screw (122) is arranged on the fixed base plate (121) through a bearing, the adjusting screw (122) is provided with a plurality of adjusting screws, the adjusting plate (123) is arranged on the adjusting screw (122), and the adjusting plate (123) is in threaded contact with the adjusting screw (122); the bottom of the adjusting screw rod (122) is fixedly provided with a transmission chain wheel (124), the transmission chain wheel (124) is connected with a transmission chain (125), one side of the transmission chain (125) is connected with a driving motor (126), and the driving motor (126) is fixedly arranged on the fixed base plate (121).
5. The stable horizontal centrifugal sand pump of claim 4, wherein: the transmission chain (125) is provided with one, and the transmission chain (125) is connected with all the adjusting screws (122).
6. The stable horizontal centrifugal sand pump of claim 4, wherein: a fixed seat (127) is arranged at the bottom of the fixed base plate (121), the fixed seat (127) comprises a fixed support rod (1271), a sealing sucker (1272), a sealing piston end (1273) and a fixed electric cylinder (1274), the fixed support rod (1271) is fixedly arranged at the bottom of the fixed base plate (121), and the sealing sucker (1272) is arranged at one end, far away from the fixed base plate (121), of the fixed support rod (1271); the fixed support rod (1271) is hollow, a sealed piston end head (1273) is arranged in the fixed support rod (1271) in a sliding mode, a fixed electric cylinder (1274) is fixedly arranged on one side of the sealed piston end head (1273), and the fixed electric cylinder (1274) is fixedly arranged on the fixed base plate (121).
7. The stable horizontal centrifugal sand pump of claim 6, wherein: the inside of the fixed supporting rod (1271) is provided with a filtering screen (1275), and the filtering screen (1275) separates the fixed supporting rod (1271).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922445313.9U CN211288099U (en) | 2019-12-30 | 2019-12-30 | Horizontal centrifugal sand pump of stable form |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922445313.9U CN211288099U (en) | 2019-12-30 | 2019-12-30 | Horizontal centrifugal sand pump of stable form |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211288099U true CN211288099U (en) | 2020-08-18 |
Family
ID=72012381
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922445313.9U Expired - Fee Related CN211288099U (en) | 2019-12-30 | 2019-12-30 | Horizontal centrifugal sand pump of stable form |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211288099U (en) |
-
2019
- 2019-12-30 CN CN201922445313.9U patent/CN211288099U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN211288099U (en) | Horizontal centrifugal sand pump of stable form | |
| CN201377433Y (en) | Vertical long shaft double-suction pump | |
| CN201521454U (en) | Vertical self-priming pump | |
| CN201347867Y (en) | Vertical centrifugal pump | |
| CN205297939U (en) | Vertical doublestage centrifugal pump of built -in current -limiting structure | |
| CN207847929U (en) | A kind of single-screw pump | |
| CN203702582U (en) | Small-sized submersible electric pump | |
| CN202056138U (en) | Plate filter | |
| CN207229348U (en) | A kind of disphragm pump for water purifier | |
| CN202700145U (en) | Oil-water separator with replaceable filter element | |
| CN207945057U (en) | A kind of water pump | |
| CN206784504U (en) | A kind of adjustable water saver | |
| CN216894866U (en) | Stable water pump base | |
| CN204877982U (en) | Modular immersible pump for well | |
| CN202746212U (en) | Efficient intelligent self-sucking pump | |
| CN210265175U (en) | Oil-immersed multi-stage deep-well pump | |
| CN201599183U (en) | Gear pump with shock-absorbing air bag | |
| CN220581362U (en) | High-compression-resistance low-noise energy-saving environment-friendly pump | |
| CN221322753U (en) | Submersible pump capable of adjusting axial float gap | |
| CN201100242Y (en) | Adjusting device for sulfur pump axis | |
| CN213116764U (en) | Fan that impeller easy maintenance is fallen to high efficiency and makes an uproar | |
| CN218093578U (en) | Impeller structure for centrifugal pump | |
| CN216241472U (en) | Deep well pump impeller assembly | |
| CN111550445B (en) | High-sealing centrifugal sand pump capable of reducing water erosion and working method thereof | |
| CN215860766U (en) | Water pump convenient to installation |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200818 Termination date: 20201230 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |