CN117780688B - Packaging mechanical sealing device on multistage pump - Google Patents
Packaging mechanical sealing device on multistage pump Download PDFInfo
- Publication number
- CN117780688B CN117780688B CN202410204982.XA CN202410204982A CN117780688B CN 117780688 B CN117780688 B CN 117780688B CN 202410204982 A CN202410204982 A CN 202410204982A CN 117780688 B CN117780688 B CN 117780688B
- Authority
- CN
- China
- Prior art keywords
- shell
- water inlet
- threaded
- fixed shaft
- fixedly connected
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000007789 sealing Methods 0.000 title claims abstract description 41
- 238000004806 packaging method and process Methods 0.000 title claims abstract description 6
- 230000007246 mechanism Effects 0.000 claims abstract description 130
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 76
- 238000009434 installation Methods 0.000 claims description 26
- 230000008878 coupling Effects 0.000 claims description 8
- 238000010168 coupling process Methods 0.000 claims description 8
- 238000005859 coupling reaction Methods 0.000 claims description 8
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
Landscapes
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention discloses a packaging mechanical sealing device on a multistage pump, which relates to the technical field of multistage pumps and comprises a base and supporting legs fixed at the bottom of the base, wherein an adjusting groove and a spacing adjusting mechanism are arranged on the base, a water inlet mechanism and a water outlet mechanism are arranged on the spacing adjusting mechanism, a connecting shell mechanism is arranged between the water inlet mechanism and the water outlet mechanism, locking rod mechanisms are arranged on the water inlet mechanism, a sealing end cover mechanism is arranged on the water inlet mechanism, and a pull rod mechanism is arranged between the sealing end cover mechanism and the water inlet mechanism.
Description
Technical Field
The invention relates to the technical field of multistage pumps, in particular to a packaging mechanical sealing device on a multistage pump.
Background
The multistage pump is a centrifugal pump with water inlet and outlet sections and middle sections combined together through a pull rod, and the output water pressure of the multistage pump can be very high, and centrifugal force is obtained by means of rotation of an impeller. When the gas density reaches the working range of the mechanical vacuum pump, the gas is pumped out, so that high vacuum is gradually obtained. The multistage pump is a centrifugal pump with variable volume because the suction, compression and discharge are realized by the change of the volume of the pump cavity.
In the prior art, the diaphragm is extruded by high-pressure gas in the high-pressure cavity, the acting force received by the diaphragm is transmitted to the air pressure sealing piece, so that the air pressure sealing piece is in sealing fit with the sealing channel to cut off the pump chamber from the outside, the air pressure sealing piece consisting of the center ring and the sealing side wings is in sealing fit with the sealing wall with the same inclination, and the inner periphery is in sealing fit with the limiting bulge.
Disclosure of Invention
The invention provides a packaging mechanical sealing device on a multistage pump, which solves the problems in the background technology.
In order to achieve the above purpose, the present invention provides the following technical solutions:
The utility model provides a collection dress mechanical seal device on multistage pump, includes the base and is fixed in the supporting leg of base bottom, be equipped with adjustment tank and interval adjustment mechanism on the base, be equipped with inlet unit and play water mechanism on the interval adjustment mechanism, be equipped with coupling shell mechanism between inlet unit and the play water mechanism, coupling shell mechanism is equipped with n, and n is greater than or equal to 1, is equipped with the locking lever mechanism on inlet unit, play water mechanism and the coupling shell mechanism, is equipped with sealed end cover mechanism on the inlet unit, is equipped with pull rod mechanism between sealed end cover mechanism and the inlet unit.
As a preferable technical scheme of the invention, the interval adjusting mechanism comprises a first threaded rod which is rotationally connected with the base, the first threaded rod is fixedly connected with the adjusting handle, the first threaded rod consists of two threaded rods with opposite rotation directions, the first threaded rod is in threaded connection with the first moving block and the second moving block, threaded holes formed in the first moving block and the second moving block are mutually in reverse threads, and the first moving block and the second moving block are in sliding connection with the base.
As a preferable technical scheme of the invention, the water inlet mechanism comprises a first installation shell fixed on the first moving block, a water inlet is arranged on the first installation shell, the first installation shell is fixedly connected with a water inlet connection shell, a plurality of first connecting columns are arranged on the water inlet connection shell, and the first installation shell is fixedly connected with a coupling shell.
As a preferable technical scheme of the invention, the water outlet mechanism comprises a second installation shell fixed on a second moving block, a water outlet is arranged on the second installation shell, the second installation shell is fixedly connected with a water outlet connection shell, and a plurality of second connection columns are arranged on the water outlet connection shell.
As a preferable technical scheme of the invention, the connecting shell mechanism comprises a connecting shell, wherein a connecting sealing ring is arranged on the connecting shell, and a plurality of third connecting columns and fourth connecting columns are arranged on the connecting shell.
As a preferable technical scheme of the invention, the third connecting column is provided with a mounting through hole, the third connecting column is provided with a clamping rod groove at the position of the mounting through hole, and the third connecting column has the same structure as the first connecting column, the second connecting column and the fourth connecting column.
As a preferable technical scheme of the invention, the locking rod mechanism comprises a threaded sleeve, the threaded sleeve is in threaded connection with a second threaded rod, the threaded sleeve is fixedly connected with a first rotating seat, the first rotating seat is fixedly connected with a first fixed shaft, a first locking rod is arranged outside the first fixed shaft, a first fixed shaft groove is formed in the first locking rod, the first fixed shaft penetrates through the first fixed shaft groove, the second threaded rod is fixedly connected with a second rotating seat, the second rotating seat is fixedly connected with a second fixed shaft, a second locking rod is arranged outside the second fixed shaft, a second fixed shaft groove is formed in the second locking rod, and the second fixed shaft penetrates through the second fixed shaft groove.
As a preferable technical scheme of the invention, the sealing end cover mechanism comprises a bearing arranged in a coupler shell, a first sealing ring is arranged in the bearing, an end cover is arranged in the first sealing ring, a second sealing ring is arranged at the tail end of the end cover, the end cover is fixedly connected with a rotation fixing plate, and the rotation fixing plate is rotationally connected with a rotation plate.
As a preferable technical scheme of the invention, the pull rod mechanism comprises a third threaded rod which is rotatably connected with the first mounting shell, the third threaded rod is in threaded connection with the rotating plate, and a countersunk groove is formed in one end of the third threaded rod, which is far away from the first mounting shell.
The invention has the following advantages: according to the invention, the distance between the water inlet mechanism and the water outlet mechanism can be adjusted by arranging the distance adjusting mechanism, so that the multi-stage pump assembly is suitable for multi-stage pump assembly with different stages, the multi-stage pump assembly can be sealed by the connecting shell mechanisms, the connecting shell mechanisms can be connected in series by the locking rod mechanism, meanwhile, the connecting shell mechanisms can be connected with the water inlet mechanism and the water outlet mechanism, and the sealing end cover mechanism can be tightly abutted against the water inlet mechanism by the pull rod mechanism so as to realize sealing of the joint.
Drawings
Fig. 1 is a schematic structural view of a mechanical seal assembly for a multi-stage pump.
Fig. 2 is a schematic structural view of a second view of the cartridge mechanical seal on a multistage pump.
Fig. 3 is a schematic structural view of a third view of the mechanical seal assembly of the cartridge on the multistage pump.
Fig. 4 is a schematic structural view of a locking lever mechanism in a cartridge mechanical seal on a multistage pump.
Fig. 5 is a cross-sectional view of a third connecting column in a cartridge mechanical seal on a multi-stage pump.
In the figure: 1. a base; 2. support legs; 3. an adjustment tank; 4. a spacing adjustment mechanism; 401. a first threaded rod; 402. adjusting the handle; 403. a first moving block; 404. a second moving block; 5. a water inlet mechanism; 501. a first mounting case; 502. a water inlet; 503. a water inlet connecting shell; 504. a first connection post; 505. a coupling housing; 6. a water outlet mechanism; 601. a second mounting case; 602. a water outlet; 603. a water outlet connecting shell; 604. a second connection post; 7. a connection housing mechanism; 701. a connection housing; 702. a third connecting column; 703. a fourth connecting column; 8. a lock lever mechanism; 801. a threaded sleeve; 802. a second threaded rod; 803. a first rotating seat; 804. a first fixed shaft; 805. a first locking lever; 806. a first fixed shaft groove; 807. a second rotating seat; 808. a second fixed shaft; 809. a second locking lever; 810. a second fixed shaft groove; 9. sealing the end cover mechanism; 901. a bearing; 902. a first seal ring; 903. an end cap; 904. a second seal ring; 905. rotating the fixing plate; 906. a rotating plate; 10. a pull rod mechanism; 1001. a third threaded rod; 1002. sinking slot.
Detailed Description
The preferred embodiments of the present invention will be described below with reference to the accompanying drawings, it being understood that the preferred embodiments described herein are for illustration and explanation of the present invention only, and are not intended to limit the present invention.
It should be noted that the positional or positional relationship indicated by the terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the positional or positional relationship shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the apparatus or element to be referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention.
Referring to fig. 1-5, an integrated mechanical seal device for a multistage pump includes a base 1 and a supporting leg 2 fixed at the bottom of the base 1, an adjusting groove 3 and a spacing adjusting mechanism 4 are provided on the base 1, a water inlet mechanism 5 and a water outlet mechanism 6 are provided on the spacing adjusting mechanism 4, a connecting shell mechanism 7 is provided between the water inlet mechanism 5 and the water outlet mechanism 6, n number of connecting shell mechanisms 7 is greater than or equal to 1, locking rod mechanisms 8 are provided on the water inlet mechanism 5, the water outlet mechanism 6 and the connecting shell mechanism 7, a sealing end cover mechanism 9 is provided on the water inlet mechanism 5, and a pull rod mechanism 10 is provided between the sealing end cover mechanism 9 and the water inlet mechanism 5.
The interval adjustment mechanism 4 comprises a first threaded rod 401 rotationally connected with the base 1, the first threaded rod 401 is fixedly connected with an adjustment handle 402, the first threaded rod 401 is composed of two threaded rods which rotate oppositely, the first threaded rod 401 is in threaded connection with a first moving block 403 and a second moving block 404, threaded holes formed in the first moving block 403 and the second moving block 404 are mutually reverse threads, and the first moving block 403 and the second moving block 404 are in sliding connection with the base 1. The water inlet mechanism 5 comprises a first installation shell 501 fixed on the first moving block 403, a water inlet 502 is formed in the first installation shell 501, the first installation shell 501 is fixedly connected with a water inlet connection shell 503, a plurality of first connection columns 504 are arranged on the water inlet connection shell 503, and the first installation shell 501 is fixedly connected with a coupling shell 505. The water outlet mechanism 6 comprises a second installation shell 601 fixed on the second moving block 404, a water outlet 602 is arranged on the second installation shell 601, the second installation shell 601 is fixedly connected with a water outlet connection shell 603, and a plurality of second connection columns 604 are arranged on the water outlet connection shell 603.
Specifically, the adjusting handle 402 is turned, the adjusting handle 402 rotates to drive the first threaded rod 401 to rotate, the first threaded rod 401 rotates to drive the first moving block 403 and the second moving block 404 to be close to or far away from each other, so that the distance between the first mounting shell 501 and the second mounting shell 601 is adjusted, and as the distance between the first mounting shell 501 and the second mounting shell 601 is different, multistage pumps of different stages can be mounted.
The connection housing mechanism 7 comprises a connection housing 701, a connection sealing ring is arranged on the connection housing 701, and a plurality of third connection columns 702 and fourth connection columns 703 are arranged on the connection housing 701. The third connecting column 702 is provided with a mounting through hole, the third connecting column 702 is provided with a clamping rod groove at the position of the mounting through hole, and the third connecting column 702 has the same structure as the first connecting column 504, the second connecting column 604 and the fourth connecting column 703. The locking rod mechanism 8 comprises a threaded sleeve 801, the threaded sleeve 801 is in threaded connection with a second threaded rod 802, the threaded sleeve 801 is fixedly connected with a first rotating seat 803, the first rotating seat 803 is fixedly connected with a first fixed shaft 804, a first locking rod 805 is arranged outside the first fixed shaft 804, a first fixed shaft groove 806 is formed in the first locking rod 805, the first fixed shaft 804 penetrates through the first fixed shaft groove 806, the second threaded rod 802 is fixedly connected with a second rotating seat 807, the second rotating seat 807 is fixedly connected with a second fixed shaft 808, a second locking rod 809 is arranged outside the second fixed shaft 808, a second fixed shaft groove 810 is formed in the second locking rod 809, and the second fixed shaft 808 penetrates through the second fixed shaft groove 810.
Specifically, the multiple connection shells 701 are aligned and connected, if the relative positions of the multiple connection shells 701 are required to be locked and fixed, the first locking rod 805 and the second locking rod 809 pass through the installation through hole, at this time, the first locking rod 805 and the second locking rod 809 are rotated to drive the threaded sleeve 801 and the second threaded rod 802 to rotate, so as to control the distance between the first locking rod 805 and the second locking rod 809, and the distance between the first locking rod 805 and the second locking rod 809 is continuously reduced, and finally the first locking rod 805 and the second locking rod 809 are clamped on the clamping rod groove, so that the relative positions of the two connection shells 701 are fixed.
1-3, In the embodiment of the present invention, the seal end cover mechanism 9 includes a bearing 901 disposed in the coupling housing 505, a first seal ring 902 is disposed in the bearing 901, an end cover 903 is disposed in the first seal ring 902, a second seal ring 904 is disposed at an end of the end cover 903, the end cover 903 is fixedly connected to a rotation fixing plate 905, and the rotation fixing plate 905 is rotatably connected to a rotation plate 906. The pull rod mechanism 10 comprises a third threaded rod 1001 rotatably connected with the first mounting shell 501, the third threaded rod 1001 is in threaded connection with the rotating plate 906, and a countersink 1002 is formed in one end, away from the first mounting shell 501, of the third threaded rod 1001.
Specifically, the tool is inserted into the countersunk slot 1002, and the tool is rotated to drive the third threaded rod 1001 to rotate, so as to control the distance between the rotating plate 906 and the first mounting shell 501, so that the second sealing ring 904 abuts against the connecting shaft, and sealing is achieved.
In the implementation process of the invention, firstly, according to different actual multistage pump stages, the distance adjusting mechanism 4 is driven to adjust the distance between the water inlet mechanism 5 and the water outlet mechanism 6, meanwhile, the connecting shell mechanisms 7 are installed between the water inlet mechanism 5 and the water outlet mechanism 6, then the connecting shell mechanisms 7 are connected in series through the locking rod mechanism 8, meanwhile, the connecting shell mechanisms 7 are connected with the water inlet mechanism 5, the connecting shell mechanisms 7 are connected with the water outlet mechanism 6, then the multistage pump main body is installed in the water inlet mechanism 5, the water outlet mechanism 6 and the connecting shell mechanisms 7, and finally, the state of the sealing end cover mechanism 9 is adjusted through the pull rod mechanism 10 so as to realize end sealing.
According to the invention, the distance between the water inlet mechanism 5 and the water outlet mechanism 6 can be adjusted by arranging the distance adjusting mechanism 4, so that the multistage pump installation device is suitable for multistage pump installation with different stages, the multistage pump can be sealed by the connecting shell mechanisms 7, the connecting shell mechanisms 7 can be connected in series by the locking rod mechanism 8, meanwhile, the connecting shell mechanisms 7, the water inlet mechanism 5 and the water outlet mechanism 6 can be connected, and the sealing end cover mechanism 9 can be tightly abutted against the water inlet mechanism 5 by the pull rod mechanism 10 so as to realize sealing of a connecting part.
Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present invention, and the present invention is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present invention has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (1)
1. The packaging mechanical sealing device on the multistage pump comprises a base (1) and supporting legs (2) fixed at the bottom of the base (1), and is characterized in that an adjusting groove (3) and a spacing adjusting mechanism (4) are arranged on the base (1), a water inlet mechanism (5) and a water outlet mechanism (6) are arranged on the spacing adjusting mechanism (4), a connecting shell mechanism (7) is arranged between the water inlet mechanism (5) and the water outlet mechanism (6), n pieces of connecting shell mechanisms (7) are arranged, n is greater than or equal to 1, locking rod mechanisms (8) are arranged on the water inlet mechanism (5), the water outlet mechanism (6) and the connecting shell mechanisms (7), a sealing end cover mechanism (9) is arranged on the water inlet mechanism (5), and a pull rod mechanism (10) is arranged between the sealing end cover mechanism (9) and the water inlet mechanism (5);
The space adjusting mechanism (4) comprises a first threaded rod (401) which is rotationally connected with the base (1), the first threaded rod (401) is fixedly connected with an adjusting handle (402), the first threaded rod (401) is composed of two threaded rods with opposite rotation directions, the first threaded rod (401) is in threaded connection with a first moving block (403) and a second moving block (404), threaded holes formed in the first moving block (403) and the second moving block (404) are mutually in reverse threads, and the first moving block (403) and the second moving block (404) are in sliding connection with the base (1);
The water inlet mechanism (5) comprises a first installation shell (501) fixed on the first moving block (403), a water inlet (502) is formed in the first installation shell (501), the first installation shell (501) is fixedly connected with a water inlet connection shell (503), a plurality of first connection columns (504) are arranged on the water inlet connection shell (503), and the first installation shell (501) is fixedly connected with a coupling shell (505);
The water outlet mechanism (6) comprises a second installation shell (601) fixed on the second moving block (404), a water outlet (602) is formed in the second installation shell (601), the second installation shell (601) is fixedly connected with a water outlet connection shell (603), and a plurality of second connection columns (604) are arranged on the water outlet connection shell (603);
The connecting shell mechanism (7) comprises a connecting shell (701), a connecting sealing ring is arranged on the connecting shell (701), and a plurality of third connecting columns (702) and fourth connecting columns (703) are arranged on the connecting shell (701);
The third connecting column (702) is provided with a mounting through hole, the position of the third connecting column (702) located at the mounting through hole is provided with a clamping rod groove, and the third connecting column (702) is identical to the first connecting column (504), the second connecting column (604) and the fourth connecting column (703) in structure;
The locking rod mechanism (8) comprises a threaded sleeve (801), the threaded sleeve (801) is in threaded connection with a second threaded rod (802), the threaded sleeve (801) is fixedly connected with a first rotating seat (803), the first rotating seat (803) is fixedly connected with a first fixed shaft (804), a first locking rod (805) is arranged outside the first fixed shaft (804), a first fixed shaft groove (806) is formed in the first locking rod (805), the first fixed shaft (804) penetrates through the first fixed shaft groove (806), the second threaded rod (802) is fixedly connected with a second rotating seat (807), the second rotating seat (807) is fixedly connected with a second fixed shaft (808), a second locking rod (809) is arranged outside the second fixed shaft (808), a second fixed shaft groove (810) is formed in the second locking rod (809), and the second fixed shaft (808) penetrates through the second fixed shaft groove (810);
The sealing end cover mechanism (9) comprises a bearing (901) arranged in the coupler shell (505), a first sealing ring (902) is arranged in the bearing (901), an end cover (903) is arranged in the first sealing ring (902), a second sealing ring (904) is arranged at the tail end of the end cover (903), the end cover (903) is fixedly connected with a rotating fixed plate (905), and the rotating fixed plate (905) is rotationally connected with a rotating plate (906);
the pull rod mechanism (10) comprises a third threaded rod (1001) rotatably connected with the first installation shell (501), the third threaded rod (1001) is in threaded connection with the rotating plate (906), and a countersink groove (1002) is formed in one end, far away from the first installation shell (501), of the third threaded rod (1001).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410204982.XA CN117780688B (en) | 2024-02-26 | 2024-02-26 | Packaging mechanical sealing device on multistage pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410204982.XA CN117780688B (en) | 2024-02-26 | 2024-02-26 | Packaging mechanical sealing device on multistage pump |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN117780688A CN117780688A (en) | 2024-03-29 |
| CN117780688B true CN117780688B (en) | 2024-04-30 |
Family
ID=90394808
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202410204982.XA Active CN117780688B (en) | 2024-02-26 | 2024-02-26 | Packaging mechanical sealing device on multistage pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117780688B (en) |
Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20060020780A (en) * | 2004-09-01 | 2006-03-07 | 최원영 | First flushing stormwater treatment and waterside creation by reservoir |
| CA2733049A1 (en) * | 2011-03-01 | 2012-09-01 | Nuhn Industries Limited | Pump for immersion within a fluid reservoir |
| JP2016044760A (en) * | 2014-08-22 | 2016-04-04 | 日本ピラー工業株式会社 | Shaft seal device |
| CN109209898A (en) * | 2018-11-28 | 2019-01-15 | 无锡艾比德泵业有限公司 | Multistage pump |
| CN209067490U (en) * | 2018-11-27 | 2019-07-05 | 长沙天康泵业科技有限公司 | High-efficiency energy-saving horizontal self-balanced multiple-stage centrifugal pump |
| CN112196807A (en) * | 2020-09-24 | 2021-01-08 | 欧书鸿 | Self-balancing energy-saving multistage formula water pump |
| CN212875316U (en) * | 2020-07-13 | 2021-04-02 | 上海圆信智能科技有限公司 | Light current engineering spool connecting device |
| CN212929088U (en) * | 2020-08-19 | 2021-04-09 | 彭泽县天然气有限公司 | Concatenation formula natural gas conveying pipeline |
| CN218093573U (en) * | 2022-09-06 | 2022-12-20 | 陕西煤业化工集团神木能源发展有限公司 | Shaft seal structure of coal gas pressurized fan |
| CN218301069U (en) * | 2022-04-22 | 2023-01-13 | 江苏万顺新能源科技有限公司 | Motor end cover sealing device |
| CN116066411A (en) * | 2023-03-23 | 2023-05-05 | 哈尔滨东北泵业有限责任公司 | Double-volute efficient energy-saving mining water pump and mounting method and working method thereof |
| CN116085276A (en) * | 2023-03-13 | 2023-05-09 | 浙江理工大学 | Modularized self-balancing double-multistage pump |
| CN219262715U (en) * | 2023-03-17 | 2023-06-27 | 浙江白云泵业有限公司 | Pump body structure of centrifugal pump |
| WO2023236483A1 (en) * | 2022-06-09 | 2023-12-14 | 利欧集团浙江泵业有限公司 | Jet pump |
-
2024
- 2024-02-26 CN CN202410204982.XA patent/CN117780688B/en active Active
Patent Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20060020780A (en) * | 2004-09-01 | 2006-03-07 | 최원영 | First flushing stormwater treatment and waterside creation by reservoir |
| CA2733049A1 (en) * | 2011-03-01 | 2012-09-01 | Nuhn Industries Limited | Pump for immersion within a fluid reservoir |
| JP2016044760A (en) * | 2014-08-22 | 2016-04-04 | 日本ピラー工業株式会社 | Shaft seal device |
| CN209067490U (en) * | 2018-11-27 | 2019-07-05 | 长沙天康泵业科技有限公司 | High-efficiency energy-saving horizontal self-balanced multiple-stage centrifugal pump |
| CN109209898A (en) * | 2018-11-28 | 2019-01-15 | 无锡艾比德泵业有限公司 | Multistage pump |
| CN212875316U (en) * | 2020-07-13 | 2021-04-02 | 上海圆信智能科技有限公司 | Light current engineering spool connecting device |
| CN212929088U (en) * | 2020-08-19 | 2021-04-09 | 彭泽县天然气有限公司 | Concatenation formula natural gas conveying pipeline |
| CN112196807A (en) * | 2020-09-24 | 2021-01-08 | 欧书鸿 | Self-balancing energy-saving multistage formula water pump |
| CN218301069U (en) * | 2022-04-22 | 2023-01-13 | 江苏万顺新能源科技有限公司 | Motor end cover sealing device |
| WO2023236483A1 (en) * | 2022-06-09 | 2023-12-14 | 利欧集团浙江泵业有限公司 | Jet pump |
| CN218093573U (en) * | 2022-09-06 | 2022-12-20 | 陕西煤业化工集团神木能源发展有限公司 | Shaft seal structure of coal gas pressurized fan |
| CN116085276A (en) * | 2023-03-13 | 2023-05-09 | 浙江理工大学 | Modularized self-balancing double-multistage pump |
| CN219262715U (en) * | 2023-03-17 | 2023-06-27 | 浙江白云泵业有限公司 | Pump body structure of centrifugal pump |
| CN116066411A (en) * | 2023-03-23 | 2023-05-05 | 哈尔滨东北泵业有限责任公司 | Double-volute efficient energy-saving mining water pump and mounting method and working method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN117780688A (en) | 2024-03-29 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| WO2010031359A1 (en) | Vacuum pump | |
| CN117780688B (en) | Packaging mechanical sealing device on multistage pump | |
| EP1229246B1 (en) | Scroll compressor | |
| CN110145448B (en) | Small-size high-pressure plunger high-pressure water pump based on two-degree-of-freedom motor | |
| CN217842029U (en) | Virtual-heart fluid movement device, double-blade virtual-heart fluid movement component and snaking mechanism | |
| CN111734611A (en) | Flow-controllable liquid pump and working method thereof | |
| CN217898138U (en) | RO pump of making an uproar falls | |
| CN114320844B (en) | Adjustable diaphragm pump with flow control | |
| CN2483534Y (en) | Planet gear, variable speed, submersible and straight way pump | |
| CN219840764U (en) | Miniature air pump | |
| CN220101527U (en) | Doublestage vacuum pump, vacuum box and laser processing equipment | |
| CN105179240A (en) | Opening type oval rotor rotation compressor | |
| CN113090513A (en) | Mini-vacuum pump | |
| CN214887677U (en) | Variable displacement vane pump capable of improving pressure reduction condition of main oil duct during temperature rise | |
| CN221120276U (en) | Water-gas pump shell | |
| CN208778238U (en) | A kind of new-type sliding vane rotary vacuum pump | |
| CN214092262U (en) | Vacuum pump driven by permanent magnet variable frequency motor | |
| CN112013137B (en) | High vacuum one-way valve | |
| CN219888226U (en) | Diaphragm pump | |
| CN111637053B (en) | Liquid-gas direct pressure device | |
| CN100482946C (en) | Liquid ring pump | |
| CN210565093U (en) | Small-sized vacuum pump | |
| CN211370758U (en) | Casing and pump body assembly of submersible vortex pump | |
| CN215595915U (en) | Self-priming pump capable of being customized quickly and self-priming device | |
| CN220101526U (en) | Vacuum pump with adjustable air quantity |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |