CN114294247A - Pump body structure of sewage pump - Google Patents
Pump body structure of sewage pump Download PDFInfo
- Publication number
- CN114294247A CN114294247A CN202111665816.2A CN202111665816A CN114294247A CN 114294247 A CN114294247 A CN 114294247A CN 202111665816 A CN202111665816 A CN 202111665816A CN 114294247 A CN114294247 A CN 114294247A
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- pump body
- casing
- shell
- adjusting
- pump
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- 239000010865 sewage Substances 0.000 title claims abstract description 20
- 230000007246 mechanism Effects 0.000 claims abstract description 56
- 230000008878 coupling Effects 0.000 claims description 11
- 238000010168 coupling process Methods 0.000 claims description 11
- 238000005859 coupling reaction Methods 0.000 claims description 11
- 230000001105 regulatory effect Effects 0.000 claims description 4
- 230000000712 assembly Effects 0.000 claims 1
- 238000000429 assembly Methods 0.000 claims 1
- 101000623895 Bos taurus Mucin-15 Proteins 0.000 abstract description 5
- 239000007788 liquid Substances 0.000 description 8
- 238000009434 installation Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 230000001788 irregular Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000013016 damping Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000004308 accommodation Effects 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention discloses a pump body structure of a sewage pump, which comprises a driving piece, wherein a pump body mechanism I and a pump body mechanism II are respectively arranged on two sides of the driving piece, the pump body mechanism I and the pump body mechanism II are connected with the driving piece through a coupler, the pump body mechanism I comprises a pump body shell II, a connecting shell III is arranged on one side, away from the driving piece, of the pump body shell II, a connecting component II is arranged on one side, away from the pump body shell II, of the connecting shell III, the pump body mechanism II comprises a pump body shell I, a connecting shell I is arranged on one side, away from the driving piece, of the pump body shell I, a connecting component I is arranged on one side, away from the pump body shell I, of the connecting shell I, adjusting mechanisms are arranged between the connecting shell I and the connecting component I and between the connecting shell III and the connecting component II, the pump body can be more stable during operation, and the problem of high vibration noise during operation of the sewage pump is solved.
Description
Technical Field
The invention relates to the technical field of sewage pumps, in particular to a pump body structure of a sewage pump.
Background
The sewage pump is a pump product which is connected with a motor and simultaneously submerged to work under liquid, and compared with a common horizontal pump or a vertical sewage pump, the sewage pump has compact structure and small occupied area. The installation and maintenance are convenient, the large-scale dredge pump is generally provided with an automatic coupling device to carry out automatic installation, the installation and maintenance are quite convenient, and the continuous operation time is long. The sewage pump has the advantages that the pump and the motor are coaxial, the shaft is short, the rotating parts are light in weight, so that the load (radial direction) borne by the bearings is relatively small, and the service life is much longer than that of a common pump. However, in practical application, when the sewage pump is used, huge noise is caused due to high-power operation, and normal life and rest of people can be interfered when the sewage pump operates in densely populated areas such as urban areas.
Disclosure of Invention
The invention aims to provide a pump body structure of a sewage pump, aiming at solving the technical problems in the background technology.
The purpose of the invention can be realized by the following technical scheme:
the utility model provides a pump body structure of dredge pump, includes the driving piece, the both sides of driving piece are provided with pump body mechanism one and pump body mechanism two respectively, and pump body mechanism one and pump body mechanism two all are connected with the driving piece through the shaft coupling, pump body mechanism one contains pump body casing two, one side that driving piece was kept away from to pump body casing two is installed and is connected casing three, connecting casing three is kept away from one side of pump body casing two and is installed coupling assembling two, pump body mechanism two contains pump body casing one, pump body casing one is kept away from one side of driving piece and is installed connecting casing one, connecting casing one is kept away from one side of pump body casing one and is installed connecting assembling one, connecting casing one and connecting assembling between one and connecting casing three and all install adjustment mechanism between the coupling assembling two.
As a further scheme of the invention: the first connecting assembly and the second connecting assembly are identical in structure, the second connecting assembly comprises a second connecting shell, connecting pieces are symmetrically arranged on the outer surfaces of the second connecting shell and the third connecting shell on the circumference side, a limiting block is arranged on the outer surface of one side, far away from the third connecting shell, of the second connecting shell, and a first limiting groove matched with the limiting block is formed in the second connecting shell.
As a further scheme of the invention: and the limiting block is symmetrically provided with connecting screws for connecting the limiting block and the second connecting shell, and the second connecting shell and the third connecting shell are fixed through bolts.
As a further scheme of the invention: adjustment mechanism contains the regulation casing, adjusts one side of casing and installs four bases that are the rectangle array and arrange, the dog is installed to the opposite side of adjusting the casing, the inside of adjusting the casing is provided with the mounting groove, the inside joint of mounting groove have with base assorted regulating block one, the inside still joint of mounting groove of adjusting the casing has the adjusting part who is located four regulating block between one, the one end threaded connection of base has the lug, the lug all rotates to be installed on the limiting plate that is located base one side.
As a further scheme of the invention: a plurality of through holes are formed in the outer surface of the base.
As a further scheme of the invention: the adjusting part contains the fixed block, one side fixed mounting of fixed block has connecting rod one, one side fixed mounting that the fixed block was kept away from to connecting rod one has connecting rod two, one side fixed mounting of fixed block has a plurality of to be the joint piece that the annular array set up.
As a further scheme of the invention: the inside draw-in groove that supplies joint piece card to go into of adjusting the casing, the one end of connecting rod two runs through the inside of adjusting the casing to connecting casing two, connecting rod two comprises unthreaded section and threaded section, just set up the spacing groove two with the threaded section looks adaptation of connecting rod two on the stopper, there are threaded section and two threaded connection in spacing groove.
As a further scheme of the invention: a first spring is arranged between the base and the first adjusting block, and a second spring is arranged between the limiting plate and the inner wall of one side of the second connecting shell.
The invention has the beneficial effects that:
1. a driving piece drives a pump body mechanism I and a pump body mechanism II to operate simultaneously so as to achieve a high-efficiency pollution discharge effect, two adjusting mechanisms are respectively positioned in a valve core area enclosed between a connecting shell I and a connecting component I and a valve core area enclosed between a connecting shell III and a connecting component II, a liquid inlet and a liquid outlet are formed in the outer surface of the connecting shell of the connecting component II and the connecting component I, water valves are respectively arranged on the liquid inlet and the liquid outlet, the adjusting mechanisms are equivalent to additionally increasing the number of cavities of the valve core area, the cavities are increased so that the pump vibrates less when in operation, and the purpose of reducing noise is achieved, a plurality of through holes are formed in the outer surface of a base, the through holes are integrally arranged on the outer surface of the base in a petal shape, and the adjusting mechanisms and the water valves form dampers in the valve core area through the increased number of the through holes, the pump body can absorb vibration and noise and is more stable in operation.
2. The second connecting assembly and the second adjusting assembly are matched for use, the limiting block can be detached from the outer surface of the second connecting shell, the position of the adjusting mechanism can be adjusted from the outside, the problem that the position of the adjusting mechanism can be adjusted from the inside only by detaching the whole part of the pump body is solved, the position adjustment is more efficient, and the best vibration reduction position is searched favorably.
3. During the regulation, the dog rotates with the inside impeller shaft pole of the pump body always to be connected, and only the straight line comes and goes to slide on impeller shaft pole surface, can effectively avoid the irregular shake of adjustment mechanism, in accommodation process, owing to adjust the inside draw-in groove that supplies joint piece card to go into that is provided with of casing, therefore, need extrude spring two earlier when rotating the adjusting part, expose the joint piece from the draw-in groove is inside, rotate and adjust inside the draw-in groove with joint piece card again after finishing, avoid leading to the problem that adjustment mechanism appears the skew because of the vibration when the pump body operation.
4. And rotating the second connecting rod to drive the threaded section to rotate in the second limiting groove, and compressing a second spring arranged between the limiting plate and the inner wall of one side of the second connecting shell when the length of the threaded section entering the second limiting groove is increased, so that the integral position of the adjusting mechanism is adjusted to achieve the optimal vibration reduction effect.
Drawings
The invention will be further described with reference to the accompanying drawings.
FIG. 1 is a front view of the overall construction of the present invention;
FIG. 2 is a schematic structural view of a second connecting member of the present invention;
FIG. 3 is a side view of a second connector assembly of the present invention;
FIG. 4 is a side view of the adjustment mechanism of the present invention;
FIG. 5 is a front view of the adjustment mechanism of the present invention;
fig. 6 is a schematic view of the structure of the adjustment assembly of the present invention.
In the figure: 1. a drive member; 2. a pump body shell I; 3. connecting the first shell; 4. a first connecting component; 5. a pump body shell II; 6. connecting a shell III; 7. a second connecting component; 8. a first base; 9. a second base; 10. a third base; 71. a second connecting shell; 72. a limiting block; 73. a first limiting groove; 74. a connecting screw; 75. a connecting member; 76. a second limiting groove; 11. an adjustment mechanism; 110. a base; 111. a first adjusting block; 112. an adjustment assembly; 113. a stopper; 114. a through hole; 115. a bump; 116. a limiting plate; 1121. a fixed block; 1122. a first connecting rod; 1123. a second connecting rod; 1124. no thread section; 1125. a threaded section is arranged; 1126. and a clamping block.
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. 1-6, the present invention is a pump body structure of a sewage pump, including a driving member 1, a first pump body mechanism and a second pump body mechanism are respectively disposed on two sides of the driving member 1, the first pump body mechanism and the second pump body mechanism are both connected to the driving member 1 through a coupling, the first pump body mechanism includes a second pump body housing 5, a third connecting housing 6 is mounted on one side of the second pump body housing 5 away from the driving member 1, a second connecting assembly 7 is mounted on one side of the third connecting housing 6 away from the second pump body housing 5, the second pump body mechanism includes a first pump body housing 2, a first connecting housing 3 is mounted on one side of the first pump body housing 2 away from the driving member 1, a first connecting assembly 4 is mounted on one side of the first connecting housing 3 away from the first pump body housing 2, an adjusting mechanism 11 is mounted between the first connecting housing 3 and the first connecting assembly 4 and between the third connecting housing 6 and the second connecting assembly 7, the first pump body mechanism and the second pump body mechanism are identical in structure, the method specifically comprises the following steps: the pump body shell I2 and the pump body shell II 5 have the same structure, the connecting shell I3 and the connecting shell III 6 have the same structure, the connecting component II 7 and the connecting component I4 have the same structure, the pump body shell I2 is also internally provided with common pump body components such as an impeller, an impeller shaft, a bearing body, a sealing ring, a shaft sleeve and the like, the pump body shell is the prior art, not to be described in detail, the driving member 1 is a dual-shaft motor, and is connected to the impeller shafts inside the pump body housing 2 and the pump body housing 5 through a coupling, the central lines are all positioned on the same straight line, the lower end of the driving piece 1 is connected with a base III 10, the lower end of the pump body shell I2 is provided with a base I8, the lower end of the pump body shell II 5 is provided with a base II 9, the problem that severe shaking is caused due to unstable placement in the operation process and pollution discharge operation is not facilitated can be solved.
Taking the second connecting assembly 7, the third connecting housing 6 and the adjusting mechanism 11 as examples, the first connecting assembly 4 and the second connecting assembly 7 have the same structure, the second connecting assembly 7 includes the second connecting housing 71, the second connecting housing 71 and the third connecting housing 6 are symmetrically provided with the connecting pieces 75 on the outer surface of the circumference side, the second connecting housing 71 is provided with the limiting block 72 on the outer surface of the side away from the third connecting housing 6, the second connecting housing 71 is provided with the first limiting groove 73 matched with the limiting block 72, the limiting block 72 is symmetrically provided with the connecting screw 74 for connecting the limiting block 72 with the second connecting housing 71, the second connecting housing 71 and the third connecting housing 6 are fixed by bolts, and when in actual use, the limiting block 72 serves as a fixing piece and is matched with the adjusting mechanism 11 for use.
Referring to fig. 4-5, the adjusting mechanism 11 includes an adjusting housing, four bases 110 arranged in a rectangular array are mounted on one side of the adjusting housing, a stop block 113 is mounted on the other side of the adjusting housing, an installation groove is formed in the adjusting housing, a first adjusting block 111 matched with the base 110 is clamped in the installation groove, an adjusting assembly 112 located between the first adjusting blocks 111 is further clamped in the installation groove of the adjusting housing, a protrusion 115 is connected to one end of the base 110 through a screw thread, the protrusion 115 is rotatably mounted on a limiting plate 116 located on one side of the base 110, two adjusting mechanisms 11 are respectively located in a valve core area enclosed between a first connecting housing 3 and a first connecting assembly 4 and a valve core area enclosed between a third connecting housing 6 and a second connecting assembly 7, a liquid inlet and a liquid outlet are formed on an outer surface of a second connecting housing 71 of the second connecting assembly 7 and the first connecting assembly 4, and all install the water valve at inlet and liquid outlet, adjustment mechanism 11 has additionally increased the regional cavity quantity of case in other words, the cavity increases and makes the pump during operation vibration littleer, thereby reach the purpose that the noise reduces, and seted up a plurality of through-hole 114 on the surface of base 110, a plurality of through-hole 114 are whole to be opened on the surface of base 110 for petal shape, can make adjustment mechanism 11 form the attenuator at the regional inside and water valve of case through the hole number that increases, absorption vibration and noise, the pump body can be more steady during operation.
Referring to fig. 6, the adjusting assembly 112 includes a fixing block 1121, a connecting rod 1122 is fixedly mounted on one side of the fixing block 1121, a connecting rod second 1123 is fixedly mounted on one side of the connecting rod 1122 away from the fixing block 1121, and a plurality of clamping blocks 1126 arranged in an annular array are fixedly mounted on one side of the fixing block 1121.
Referring to fig. 1-6, a slot for the clamping block 1126 to be clamped is disposed inside the adjusting housing, one end of the second connecting rod 1123 penetrates through the adjusting housing to the inside of the second connecting housing 71, the second connecting rod 1123 is composed of a non-threaded section 1124 and a threaded section 1125, a second limiting groove 76 adapted to the threaded section 1125 of the second connecting rod 1123 is disposed on the limiting block 72, the threaded section 1125 is in threaded connection with the second limiting groove 76, a first spring is disposed between the base 110 and the first adjusting block 111, a second spring is disposed between the limiting plate 116 and an inner wall of one side of the second connecting housing 71, when the pump is used, the stopper 113 is attached to an inner wall of the third connecting housing 6, and the stopper 113 is rotatably connected to the impeller shaft inside the pump body, when the pump is used, the adjustment is performed according to actual conditions, but during the adjustment, the stopper 113 is always rotatably connected to the impeller shaft inside the pump body, so as to effectively avoid irregular shaking of the adjusting mechanism 11, only slides back and forth on the outer surface of the impeller shaft rod, firstly, a spring arranged between the base 110 and the first adjusting block 111 is used for increasing the sealing effect of the connecting part, the second connecting rod 1123 is rotated to drive the threaded section 1125 to rotate in the second limiting groove 76, when the length of the threaded section 1125 entering the second limiting groove 76 is increased, a second spring arranged between the compression limit plate 116 and the inner wall of one side of the second connecting shell 71, so as to adjust the position of the whole adjusting mechanism 11, in order to achieve the best damping effect, it should be noted that, in the adjusting process, as the adjusting shell is internally provided with a clamping groove for the clamping block 1126 to clamp in, therefore, need extrude spring two earlier when rotating adjusting part 112, expose joint piece 1126 from the draw-in groove is inside, rotate the regulation and accomplish back again with inside the joint piece 1126 card draw-in groove, avoid leading to adjustment mechanism 11 to appear the problem of skew because of the vibration when the pump body moves.
Based on the disclosure in the above embodiments, in the present invention, the driving member 1 is a dual-shaft motor, and is connected to the first pump body housing 2 and the impeller shaft inside the second pump body housing 5 through the shaft coupling, and the central lines are all located on the same straight line, the lower end of the driving member 1 is connected to the third base 10, the lower end of the first pump body housing 2 is provided with the first base 8, and the lower end of the second pump body housing 5 is provided with the second base 9, so that the problem that the violent shaking is caused by unstable placement during the operation and the pollution discharge operation is not facilitated can be avoided, when in use, the stopper 113 is attached to the inner side wall of the third connecting housing 6, and the stopper 113 is rotatably connected to the impeller shaft inside the pump body, when in use, the adjustment is performed according to the actual situation, but during the adjustment, the stopper 113 is rotatably connected to the impeller shaft inside the pump body, so that the adjustment mechanism 11 can be effectively prevented from irregular shaking, the second connecting rod 1123 is rotated to drive the threaded section 1125 to rotate in the second limit groove 76, and when the length of the threaded section 1125 entering the second limit groove 76 is increased, the second spring arranged between the second limit plate 116 and the inner wall of one side of the second connecting shell 71 is compressed, so that the overall position of the adjusting mechanism 11 is adjusted, and the optimal vibration damping effect is achieved.
While one embodiment of the present invention has been described in detail, the description is only a preferred embodiment of the present invention and should not be taken as limiting the scope of the invention. All equivalent changes and modifications made within the scope of the present invention shall fall within the scope of the present invention.
Claims (8)
1. The utility model provides a pump body structure of dredge pump, includes driving piece (1), its characterized in that, the both sides of driving piece (1) are provided with pump body mechanism one and pump body mechanism two respectively, and pump body mechanism one and pump body mechanism two all are connected with driving piece (1) through the shaft coupling, pump body mechanism one contains pump body casing two (5), one side that driving piece (1) was kept away from in pump body casing two (5) is installed and is connected casing three (6), connect casing three (6) and keep away from one side of pump body casing two (5) and install coupling assembling two (7), pump body mechanism two contains pump body casing one (2), one side that driving piece (1) was kept away from in pump body casing one (2) is installed and is connected casing one (3), one side that pump body casing one (2) was kept away from in connection casing one (3) is installed and is connected coupling assembling one (4), connect between casing one (3) and one (4) and connect casing three (6) and be connected coupling assembling And adjusting mechanisms (11) are arranged between the second assemblies (7).
2. The pump body structure of the sewage pump according to claim 1, wherein the first connecting assembly (4) and the second connecting assembly (7) have the same structure, the second connecting assembly (7) comprises a second connecting shell (71), the outer surfaces of the second connecting shell (71) and the third connecting shell (6) are symmetrically provided with connecting pieces (75), the outer surface of one side, away from the third connecting shell (6), of the second connecting shell (71) is provided with a limit block (72), and the second connecting shell (71) is provided with a first limit groove (73) matched with the limit block (72).
3. The pump body structure of the sewage pump according to claim 2, wherein the stopper (72) is symmetrically provided with connecting screws (74) for connecting the stopper (72) with the second connecting shell (71), and the second connecting shell (71) and the third connecting shell (6) are fixed by bolts.
4. The pump body structure of a dredge pump according to claim 3, characterized in that, the adjustment mechanism (11) contains the adjustment casing, and four bases (110) that are the rectangular array and arrange are installed to one side of adjustment casing, dog (113) are installed to the opposite side of adjustment casing, the inside of adjusting the casing is provided with the mounting groove, and inside joint of mounting groove has regulating block (111) with base (110) assorted, and the inside still joint of mounting groove of adjusting the casing has adjusting part (112) that are located between four regulating block (111), the one end threaded connection of base (110) has lug (115), lug (115) all rotate to be installed on limiting plate (116) that are located base (110) one side.
5. The pump body structure of a sewage pump according to claim 4, wherein the base (110) is provided with a plurality of through holes (114) on an outer surface thereof.
6. The pump body structure of the sewage pump according to claim 4, wherein the adjusting assembly (112) comprises a fixing block (1121), a first connecting rod (1122) is fixedly installed at one side of the fixing block (1121), a second connecting rod (1123) is fixedly installed at one side of the first connecting rod (1122) far away from the fixing block (1121), and a plurality of clamping blocks (1126) arranged in an annular array are fixedly installed at one side of the fixing block (1121).
7. The pump body structure of the sewage pump according to claim 6, wherein a clamping groove for clamping the clamping block (1126) is formed in the adjusting shell, one end of the second connecting rod (1123) penetrates through the adjusting shell to the inside of the second connecting shell (71), the second connecting rod (1123) consists of a non-threaded section (1124) and a threaded section (1125), a second limiting groove (76) matched with the threaded section (1125) of the second connecting rod (1123) is formed in the limiting block (72), and the threaded section (1125) is in threaded connection with the second limiting groove (76).
8. The pump body structure of the sewage pump according to claim 4, wherein a first spring is arranged between the base (110) and the first adjusting block (111), and a second spring is arranged between the limiting plate (116) and one side inner wall of the second connecting shell (71).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111665816.2A CN114294247A (en) | 2021-12-31 | 2021-12-31 | Pump body structure of sewage pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111665816.2A CN114294247A (en) | 2021-12-31 | 2021-12-31 | Pump body structure of sewage pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114294247A true CN114294247A (en) | 2022-04-08 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111665816.2A Pending CN114294247A (en) | 2021-12-31 | 2021-12-31 | Pump body structure of sewage pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114294247A (en) |
Citations (10)
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|---|---|---|---|---|
| US5137433A (en) * | 1990-05-29 | 1992-08-11 | Willinger Bros., Inc. | Aquarium power head with integral muffler |
| KR20010109241A (en) * | 2001-10-31 | 2001-12-08 | 김경원 | An underwater pump |
| CN103256230A (en) * | 2013-04-26 | 2013-08-21 | 胡道明 | Motor magnetic pump |
| US20190014755A1 (en) * | 2015-12-30 | 2019-01-17 | Guangdong Boyu Group Co,. Ltd. | Cross-flow type flow-making water pump |
| CN110319273A (en) * | 2019-04-15 | 2019-10-11 | 浙江朗诗德健康饮水设备股份有限公司 | A kind of adjustable noise reduction wastewater valve |
| CN210919542U (en) * | 2019-11-01 | 2020-07-03 | 泰州市隆达潜水泵有限公司 | Deep well submersible sewage pump |
| CN213270304U (en) * | 2020-09-24 | 2021-05-25 | 乐亭晓清环保有限责任公司 | Sewage treatment sewage pump |
| CN112855498A (en) * | 2021-02-20 | 2021-05-28 | 厦门乾泽电子科技有限公司 | From car seat of taking noise reduction effect with pump valve all-in-one |
| CN213380134U (en) * | 2020-10-10 | 2021-06-08 | 常州柏繁电气有限公司 | Be used for booster pump motor assembly quality |
| CN213392627U (en) * | 2020-10-09 | 2021-06-08 | 常州柏繁电气有限公司 | Noise reduction valve core for booster pump |
-
2021
- 2021-12-31 CN CN202111665816.2A patent/CN114294247A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5137433A (en) * | 1990-05-29 | 1992-08-11 | Willinger Bros., Inc. | Aquarium power head with integral muffler |
| KR20010109241A (en) * | 2001-10-31 | 2001-12-08 | 김경원 | An underwater pump |
| CN103256230A (en) * | 2013-04-26 | 2013-08-21 | 胡道明 | Motor magnetic pump |
| US20190014755A1 (en) * | 2015-12-30 | 2019-01-17 | Guangdong Boyu Group Co,. Ltd. | Cross-flow type flow-making water pump |
| CN110319273A (en) * | 2019-04-15 | 2019-10-11 | 浙江朗诗德健康饮水设备股份有限公司 | A kind of adjustable noise reduction wastewater valve |
| CN210919542U (en) * | 2019-11-01 | 2020-07-03 | 泰州市隆达潜水泵有限公司 | Deep well submersible sewage pump |
| CN213270304U (en) * | 2020-09-24 | 2021-05-25 | 乐亭晓清环保有限责任公司 | Sewage treatment sewage pump |
| CN213392627U (en) * | 2020-10-09 | 2021-06-08 | 常州柏繁电气有限公司 | Noise reduction valve core for booster pump |
| CN213380134U (en) * | 2020-10-10 | 2021-06-08 | 常州柏繁电气有限公司 | Be used for booster pump motor assembly quality |
| CN112855498A (en) * | 2021-02-20 | 2021-05-28 | 厦门乾泽电子科技有限公司 | From car seat of taking noise reduction effect with pump valve all-in-one |
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