CN113586510B - Combined sealing structure of wear ring of water feed pump - Google Patents
Combined sealing structure of wear ring of water feed pump Download PDFInfo
- Publication number
- CN113586510B CN113586510B CN202110999003.0A CN202110999003A CN113586510B CN 113586510 B CN113586510 B CN 113586510B CN 202110999003 A CN202110999003 A CN 202110999003A CN 113586510 B CN113586510 B CN 113586510B
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- Prior art keywords
- sealing
- ring
- rubber
- feed pump
- groove
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/08—Sealings
- F04D29/086—Sealings especially adapted for liquid pumps
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D15/00—Control, e.g. regulation, of pumps, pumping installations or systems
- F04D15/0088—Testing machines
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/04—Shafts or bearings, or assemblies thereof
- F04D29/046—Bearings
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/08—Sealings
- F04D29/10—Shaft sealings
- F04D29/12—Shaft sealings using sealing-rings
- F04D29/126—Shaft sealings using sealing-rings especially adapted for liquid pumps
Abstract
The invention discloses a combined sealing structure of a wear ring of a water feed pump, which structurally comprises an installation sleeve ring, wherein a limiting groove, a sealing baffle, a first sealing bearing, an internal groove and a humidity sensor are arranged on the installation sleeve ring, the limiting groove is positioned on the outer surface of the installation sleeve ring, the sealing baffle is in sealing connection with the left end of the installation sleeve ring through threads, the first sealing bearing is fixedly connected to the left end and the right end inside the installation sleeve ring, the internal groove is positioned inside the installation sleeve ring, the humidity sensor is fixedly connected to the bottom inside the installation sleeve ring, and a rubber ring is arranged inside the limiting groove. The invention realizes automatic monitoring of the water leakage condition of the sealing structure, avoids the situation that an operator cannot maintain the sealing structure in time when the sealing structure leaks water, reduces the probability of damage of the water feed pump due to water leakage, and improves the sealing effect of the sealing structure in the use process.
Description
Technical Field
The invention relates to the technical field of feed pumps, in particular to a combined sealing structure of a wear ring of a feed pump.
Background
According to the patent 201821204888.0, a combined sealing structure of a wear ring of a feed pump is known, which comprises a sealing surface formed after the inner surface of the wear ring is in sealing contact with the outer surface of an impeller, wherein the sealing surface comprises a plurality of sections of sub sealing surfaces which are distributed in a step shape from a high-pressure area to a low-pressure area. Compared with the prior art, the utility model discloses the sealing power of reinforcing impeller choma is favorable to showing elevator pump hydraulic operating efficiency, and this structure is applicable to the single impeller lift great, and requires higher environment to hydraulic efficiency, has solved that impeller choma affected part pressure difference is big, the discharge is big and the problem that pump operating efficiency is not high, and the design performance of guarantee pump provides the operation economy of pump.
At present, the existing combined sealing structure of the wear ring of the feed pump has some defects, for example; the combined sealing structure of the existing water feeding pump wear ring can not automatically monitor the water leakage condition of the water feeding pump, an operator can not timely maintain the water feeding pump when the sealing structure leaks water, the probability of damage of the water feeding pump due to water leakage is improved, the detection effect of the sealing structure in the use process is reduced, the sealing layer between the combined sealing structure of the existing water feeding pump wear ring and the water feeding pump is single, the probability of water leakage of the sealing structure in the use process is increased, and the sealing effect of the sealing structure in the use process is reduced.
Disclosure of Invention
The invention aims to provide a combined sealing structure of a wear ring of a feed pump, which solves the problems in the background art.
In order to achieve the purpose, the invention provides the following technical scheme: a combined sealing structure of a wear ring of a water feed pump comprises an installation lantern ring, wherein a limiting groove, a sealing baffle, a first sealing bearing, an internal groove and a humidity sensor are arranged on the installation lantern ring, the limiting groove is positioned on the outer surface of the installation lantern ring, the sealing baffle is in sealing connection with the left end of the installation lantern ring through threads, the first sealing bearing is fixedly connected to the left end and the right end inside the installation lantern ring, the internal groove is positioned inside the installation lantern ring, the humidity sensor is fixedly connected to the bottom inside the installation lantern ring, and a rubber ring is arranged inside the limiting groove;
a first rubber sealing ring is arranged in the built-in groove, a mounting hole is formed in the middle of the first rubber sealing ring, a second rubber sealing ring, a third rubber sealing ring and a second sealing bearing are arranged on the sealing baffle plate, the second rubber sealing ring is fixedly connected to the surface of the sealing baffle plate and positioned on the periphery of the second sealing bearing, and the third rubber sealing ring is positioned on the periphery of the second rubber sealing ring and fixedly connected to the surface of the sealing baffle plate;
the inner ring department of first sealed bearing and second sealed bearing all connects the axis of rotation through the rubber pad, be provided with limit baffle and impeller in the axis of rotation, limit baffle fixed connection be in the surface of axis of rotation, the impeller pass through fixation nut with the left end fixed connection of axis of rotation, humidity transducer passes through wire electric connection controller, the controller has electromagnetic switch through wire electric connection, electromagnetic switch has the alarm through wire electric connection.
In a preferred embodiment of the present invention, there are five limiting grooves, and the rubber ring is sleeved inside the limiting groove, and 3/4 of the rubber ring is located inside the limiting groove.
In a preferred embodiment of the present invention, the detection end of the humidity sensor is located at the bottom of the built-in groove and between the two first rubber sealing rings.
As a preferred embodiment of the present invention, three first rubber sealing rings are provided and uniformly distributed inside the built-in groove, and an outer surface of each first rubber sealing ring abuts against an inner wall of the built-in groove.
As a preferred embodiment of the present invention, the rubber pads are provided in two sets and are fixedly connected to the inner rings of the first and second seal bearings, respectively.
As a preferred embodiment of the present invention, both ends of the rotating shaft are fixedly connected to the inner rings of the first and second seal bearings through rubber pads.
As a preferred embodiment of the present invention, the right surface of the impeller abuts against the left surface of the limit baffle, and the fixing nut is connected to the left end of the rotating shaft through a thread.
Compared with the prior art, the invention has the following beneficial effects:
1. according to the invention, through the combination of the humidity sensor, the controller, the electromagnetic switch and the alarm, the automatic monitoring of the water leakage condition of the sealing structure is effectively realized, the problem that an operator cannot maintain the sealing structure in time when water leaks is avoided, the probability of damage of the water feed pump due to water leakage is reduced, and the detection effect of the sealing structure in the use process is improved.
2. According to the invention, through the combination of the limiting groove, the sealing baffle, the first sealing bearing, the rubber ring, the first rubber sealing ring, the second rubber sealing ring, the third rubber sealing ring, the second sealing bearing and the rubber pad, the multilayer sealing between the sealing structure and the water feed pump is effectively realized, the probability of water leakage of the sealing structure in the use process is reduced, and the sealing effect of the sealing structure in the use process is improved.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
FIG. 1 is a schematic structural view of a combined sealing structure of a wear ring of a feed pump according to the present invention;
FIG. 2 is a schematic structural view of an impeller of a combined sealing structure of a wear ring of a feed pump according to the invention;
FIG. 3 is a front view of a composite seal structure for wear rings of a feed pump in accordance with the present invention;
FIG. 4 is a schematic view of a sealing baffle plate of the combined sealing structure of the wear ring of the feed pump;
FIG. 5 is a sectional view of a mounting collar of a combined seal structure for a wear ring of a feed pump according to the present invention;
FIG. 6 is a schematic structural view of a first rubber sealing ring of the combined sealing structure of the wear ring of the feed pump;
FIG. 7 is a control flow chart of the combined sealing structure of the wear ring of the feed pump according to the invention.
In the figure: the device comprises an installation lantern ring 1, a limiting groove 2, a sealing baffle 3, a first sealing bearing 4, a built-in groove 5, a humidity sensor 6, a rubber ring 7, a first rubber sealing ring 8, an installation hole 9, a second rubber sealing ring 10, a third rubber sealing ring 11, a second sealing bearing 12, a rubber pad 13, a rotating shaft 14, a limiting baffle 15, an impeller 16, a fixing nut 17, a controller 18, an electromagnetic switch 19 and an alarm 20.
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.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Referring to fig. 1-7, the present invention provides a technical solution: a combined sealing structure of a wear ring of a water feed pump comprises an installation lantern ring 1, wherein a limiting groove 2, a sealing baffle 3, a first sealing bearing 4, an internal groove 5 and a humidity sensor 6 are arranged on the installation lantern ring 1, the limiting groove 2 is positioned on the outer surface of the installation lantern ring 1, the sealing baffle 3 is in sealing connection with the left end of the installation lantern ring 1 through threads, the first sealing bearing 4 is fixedly connected to the left end and the right end inside the installation lantern ring 1, the internal groove 5 is positioned inside the installation lantern ring 1, the humidity sensor 6 is fixedly connected to the bottom inside the installation lantern ring 1, and a rubber ring 7 is arranged inside the limiting groove 2;
a first rubber sealing ring 8 is arranged in the built-in groove 5, a mounting hole 9 is arranged in the middle of the first rubber sealing ring 8, a second rubber sealing ring 10, a third rubber sealing ring 11 and a second sealing bearing 12 are arranged on the sealing baffle plate 3, the second rubber sealing ring 10 is fixedly connected to the surface of the sealing baffle plate 3 and is positioned at the periphery of the second sealing bearing 12, and the third rubber sealing ring 11 is positioned at the periphery of the second rubber sealing ring 10 and is fixedly connected to the surface of the sealing baffle plate 3;
In the invention, when the sealing structure is installed, a first rubber sealing ring 8 is installed inside an embedded groove 5, then a first sealing bearing 4 is installed at two ends inside an installation lantern ring 1, then a sealing baffle plate 3 is installed at the left end of the installation lantern ring 1, a rotating shaft 14 passes through the first sealing bearing 4, an installation hole 9 and the second sealing bearing 12 respectively, a rubber gasket 13 seals the rotating shaft 14 with the first sealing bearing 4 and the second sealing bearing 12, a rubber ring 7 is sleeved inside a limiting groove 2, then the installation lantern ring 1 is installed inside a water feeding pump, a limiting baffle plate 15 is fixed outside the rotating shaft 14, an impeller 16 is sleeved outside the rotating shaft 14 and abuts against the left surface of the limiting baffle plate 15, a fixing nut 17 is screwed at the left end of the rotating shaft 14 to fix the impeller 16, when the sealing structure is used, a humidity sensor 6 monitors the humidity inside the embedded groove 5, when the humidity sensor 6 reaches the monitoring range, a controller 18 controls an electromagnetic switch 19 to be closed, and an alarm 20 gives an alarm.
In an alternative embodiment, five limiting grooves 2 are arranged, the rubber ring 7 is sleeved inside the limiting grooves 2, and 3/4 of the rubber ring is positioned inside the limiting grooves 2.
It should be noted that the sealing property when the mounting collar 1 is mounted on the feed pump is improved.
In an alternative embodiment, the sensing end of the moisture sensor 6 is located at the bottom of the built-in groove 5 and between the two first rubber sealing rings 8.
It should be noted that the humidity inside the built-in tank 5 is conveniently detected.
In an alternative embodiment, three first rubber sealing rings 8 are provided and are uniformly distributed inside the inner groove 5, and the outer surface of the first rubber sealing ring 8 abuts against the inner wall of the inner groove 5.
The sealing property between the first rubber seal 8 and the built-in groove 5 is improved.
In an alternative embodiment, the rubber pads 13 are provided in two sets and are fixedly connected to the inner rings of the first and second sealed bearings 4 and 12, respectively.
It should be noted that the firmness between the rubber pad 13 and the first and second seal bearings 4 and 12 is improved.
In an alternative embodiment, both ends of the rotating shaft 14 are fixedly connected to the inner rings of the first sealed bearing 4 and the second sealed bearing 12 through rubber pads 13.
It should be noted that the sealing performance between the rotating shaft 14 and the first and second seal bearings 4 and 12 is improved.
In an alternative embodiment, the right surface of the impeller 16 abuts against the left surface of the limit baffle 15, and the fixing nut 17 is connected with the left end of the rotating shaft 14 through a thread.
The firmness of the impeller 16 in mounting and fixing is improved.
While there have been shown and described what are at present considered the fundamental principles and essential features of the invention and its advantages, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present specification describes embodiments, not every embodiment includes only a single embodiment, and such description is for clarity purposes only, and it is to be understood that all embodiments may be combined as appropriate by one of ordinary skill in the art to form other embodiments as will be apparent to those of skill in the art from the description herein.
Claims (7)
1. The utility model provides a combination seal structure of feed pump wear ring, includes the installation lantern ring (1), its characterized in that: the mounting sleeve ring (1) is provided with a limiting groove (2), a sealing baffle (3), a first sealing bearing (4), a built-in groove (5) and a humidity sensor (6), the limiting groove (2) is located on the outer surface of the mounting sleeve ring (1), the sealing baffle (3) is in sealing connection with the left end of the mounting sleeve ring (1) through threads, the first sealing bearing (4) is fixedly connected to the left end and the right end inside the mounting sleeve ring (1), the built-in groove (5) is located inside the mounting sleeve ring (1), the humidity sensor (6) is fixedly connected to the bottom inside the mounting sleeve ring (1), and a rubber ring (7) is arranged inside the limiting groove (2);
a first rubber sealing ring (8) is arranged in the built-in groove (5), a mounting hole (9) is formed in the middle of the first rubber sealing ring (8), a second rubber sealing ring (10), a third rubber sealing ring (11) and a second sealing bearing (12) are arranged on the sealing baffle plate (3), the second rubber sealing ring (10) is fixedly connected to the surface of the sealing baffle plate (3) and is positioned on the periphery of the second sealing bearing (12), and the third rubber sealing ring (11) is positioned on the periphery of the second rubber sealing ring (10) and is fixedly connected to the surface of the sealing baffle plate (3);
rotation axis (14) are all connected through rubber pad (13) in the inner ring department of first sealed bearing (4) and second sealed bearing (12), be provided with limit baffle (15) and impeller (16) on rotation axis (14), limit baffle (15) fixed connection be in the surface of rotation axis (14), impeller (16) through fixation nut (17) with the left end fixed connection of rotation axis (14), humidity transducer (6) are through wire electric connection controller (18), controller (18) have electromagnetic switch (19) through wire electric connection, electromagnetic switch (19) have alarm (20) through wire electric connection.
2. The combined sealing structure of a wear ring of a feed pump as claimed in claim 1, wherein: the limiting groove (2) is provided with five parts, the rubber ring (7) is sleeved in the limiting groove (2), and 3/4 of the part of the rubber ring is positioned in the limiting groove (2).
3. A composite seal structure of wear rings of a feed pump according to claim 1, wherein: the detection end of the humidity sensor (6) is positioned at the bottom of the built-in groove (5) and is positioned between the two first rubber sealing rings (8).
4. The combined sealing structure of a wear ring of a feed pump as claimed in claim 1, wherein: the number of the first rubber sealing rings (8) is three, the first rubber sealing rings are uniformly distributed in the built-in groove (5), and the outer surface of each first rubber sealing ring (8) abuts against the inner wall of the built-in groove (5).
5. A composite seal structure of wear rings of a feed pump according to claim 1, wherein: two groups of rubber pads (13) are arranged and are respectively fixedly connected to the inner rings of the first sealing bearing (4) and the second sealing bearing (12).
6. A composite seal structure of wear rings of a feed pump according to claim 1, wherein: and the two ends of the rotating shaft (14) are fixedly connected with the inner rings of the first sealing bearing (4) and the second sealing bearing (12) through rubber pads (13).
7. A composite seal structure of wear rings of a feed pump according to claim 1, wherein: the right surface of the impeller (16) is abutted against the left surface of the limiting baffle (15), and the fixing nut (17) is connected with the left end of the rotating shaft (14) through threads.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110999003.0A CN113586510B (en) | 2021-08-28 | 2021-08-28 | Combined sealing structure of wear ring of water feed pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110999003.0A CN113586510B (en) | 2021-08-28 | 2021-08-28 | Combined sealing structure of wear ring of water feed pump |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113586510A CN113586510A (en) | 2021-11-02 |
| CN113586510B true CN113586510B (en) | 2023-03-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110999003.0A Active CN113586510B (en) | 2021-08-28 | 2021-08-28 | Combined sealing structure of wear ring of water feed pump |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0988886A (en) * | 1995-09-26 | 1997-03-31 | Aisin Seiki Co Ltd | Water pump |
| JP2003287143A (en) * | 2002-03-29 | 2003-10-10 | Mitsubishi Heavy Ind Ltd | Static pressure seal and refrigerant pump furnished with it |
| CN101044345A (en) * | 2004-10-22 | 2007-09-26 | 伯克哈特压缩机股份公司 | Dry-running piston rod sealing arrangement, and method for sealing a piston rod using one such arrangement |
| CN102705259A (en) * | 2012-05-25 | 2012-10-03 | 南京长江涂料有限公司 | Filler sealing device |
| CN104482215A (en) * | 2014-11-12 | 2015-04-01 | 崔正军 | Shaft-end multiple seal of centrifugal compressor |
| CN110848141A (en) * | 2019-11-07 | 2020-02-28 | 江苏方时远略科技咨询有限公司 | Magnetic centrifugal pump with good sealing structure |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2636931B1 (en) * | 2011-03-30 | 2019-08-07 | Eagle Industry Co., Ltd. | Seal device |
| CN205101283U (en) * | 2015-10-28 | 2016-03-23 | 长城汽车股份有限公司 | Turbo charger's compressor end seal structure , turbo charger and car |
| CN210265163U (en) * | 2019-07-25 | 2020-04-07 | 靖江双久泵阀制造有限公司 | Centrifugal pump with good sealing effect |
-
2021
- 2021-08-28 CN CN202110999003.0A patent/CN113586510B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0988886A (en) * | 1995-09-26 | 1997-03-31 | Aisin Seiki Co Ltd | Water pump |
| JP2003287143A (en) * | 2002-03-29 | 2003-10-10 | Mitsubishi Heavy Ind Ltd | Static pressure seal and refrigerant pump furnished with it |
| CN101044345A (en) * | 2004-10-22 | 2007-09-26 | 伯克哈特压缩机股份公司 | Dry-running piston rod sealing arrangement, and method for sealing a piston rod using one such arrangement |
| CN102705259A (en) * | 2012-05-25 | 2012-10-03 | 南京长江涂料有限公司 | Filler sealing device |
| CN104482215A (en) * | 2014-11-12 | 2015-04-01 | 崔正军 | Shaft-end multiple seal of centrifugal compressor |
| CN110848141A (en) * | 2019-11-07 | 2020-02-28 | 江苏方时远略科技咨询有限公司 | Magnetic centrifugal pump with good sealing structure |
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| CN113586510A (en) | 2021-11-02 |
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