CN220452278U - Oil seal airtight device of centrifugal compressor - Google Patents
Oil seal airtight device of centrifugal compressor Download PDFInfo
- Publication number
- CN220452278U CN220452278U CN202322032398.4U CN202322032398U CN220452278U CN 220452278 U CN220452278 U CN 220452278U CN 202322032398 U CN202322032398 U CN 202322032398U CN 220452278 U CN220452278 U CN 220452278U
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- Prior art keywords
- mount pad
- output pipeline
- bearing
- oil seal
- oil blanket
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- 239000003921 oil Substances 0.000 claims abstract description 42
- 238000007789 sealing Methods 0.000 claims abstract description 9
- 239000010725 compressor oil Substances 0.000 claims abstract description 8
- 230000000903 blocking effect Effects 0.000 claims description 9
- 230000005540 biological transmission Effects 0.000 claims description 4
- 238000009434 installation Methods 0.000 abstract description 12
- 238000000034 method Methods 0.000 abstract description 6
- 238000010030 laminating Methods 0.000 abstract 1
- 230000008569 process Effects 0.000 description 5
- 230000001105 regulatory effect Effects 0.000 description 3
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
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- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model provides a centrifugal compressor oil blanket sealing device, includes the oil blanket sealing device body, and the oil blanket sealing device body comprises mount pad and the output pipeline that is connected with the mount pad, and the inside cavity of mount pad forms the cavity that is used for placing the oil blanket to set up the installation through-hole that is used for placing the bearing in the central point of mount pad, the lateral wall of bearing and the laminating of the inside wall of oil blanket, the one end of bearing exposes in the mount pad, installs the blade on the other end set up the gas-supply hole of direct oil blanket on the mount pad, the gas-supply hole is connected with output pipeline. The utility model discloses an use parts such as manometer, flowmeter, governing ball and flange valve, hall sensor, can be when the device is used the in-process that uses, when letting in the oil blanket with gas inside, according to the numerical value that manometer and flowmeter show, adjust the gas flow that the flange valve changes the entering, simultaneously through hall sensor real-time supervision flange valve pivoted angle, increased the practicality of device.
Description
Technical Field
The utility model relates to an oil seal airtight device of a centrifugal compressor, and belongs to the technical field of centrifugal compressors.
Background
Centrifugal compressors are also known as "vortex light compressors", one type of compressor. The structure and the operation principle are similar to those of a centrifugal blower, but are always of a multi-stage type, so that the gas can obtain higher pressure, the treatment capacity is larger, and the efficiency is higher, but oil leakage can be caused to cause damage to the machine due to the centrifugal effect in the use process.
The following problems exist in the current use process:
in the traditional device, when the gas quantity of control input is in use, most of the device is judged through experience of staff, when the gas flow is too large, good sealing performance is formed, but the gas can enter the device, the use burden of the device is increased, when the gas flow is small, a closed space cannot be formed, leakage is caused, and the device is easy to damage through manual experience. Therefore, the oil seal of the centrifugal compressor is designed to be airtight, so that the technical problem is solved.
Disclosure of Invention
The utility model aims to overcome the defects in the prior art and provide the oil seal airtight device of the centrifugal compressor, which has the advantages of simple structure, good tightness and high safety and can be conveniently operated.
The utility model is realized by the following technical scheme: the utility model provides a centrifugal compressor oil blanket sealing device, includes the oil blanket sealing device body, the oil blanket sealing device body comprises mount pad and the output pipeline that is connected with the mount pad, wherein the inside cavity of mount pad forms the cavity that is used for placing the oil blanket to set up the installation through-hole that is used for placing the bearing in the central point of mount pad, the bearing runs through mount pad and oil blanket in proper order through the installation through-hole after, and the lateral wall of bearing is laminated with the inside wall of oil blanket, and the one end of bearing exposes in the mount pad, installs the blade on the other end, be provided with a plurality of recesses on the inside wall of oil blanket, form the tight air chamber between every recess and the lateral wall of bearing, and set up the air cavity on the inside wall of every tight air chamber set up the gas-supply hole of straight-through oil blanket on the mount pad, the gas-supply hole is connected with the output pipeline.
As preferable: the output pipeline comprises first output pipeline and second output pipeline, and wherein the one end of first output pipeline passes through the gas-supply hole and links to each other with the mount pad, and the other end is connected with the second output pipeline through the survey pipe, installs manometer and flowmeter on the survey pipe, the one end fixedly connected with adjusting ball of keeping away from first output pipeline of second output pipeline.
As preferable: the bearing is characterized in that a groove is formed in the outer side wall of the bearing between the mounting seat and the blade, a blocking ring is clamped on the inner wall of the groove, and a blocking ring part is exposed out of the groove.
As preferable: the top outside the regulating ball is provided with a hole, and the inner wall of the hole is rotationally connected with a flange valve for enabling the flange valve to rotate in the regulating ball.
As preferable: the bottom of adjusting ball inside has seted up the rotation groove, the inner wall joint of rotation groove has the flange valve still be fixed with hall sensor in the inside of adjusting ball, hall sensor's press shaft is connected with the surface of flange valve.
As preferable: the blocking ring is made of rubber.
Compared with the prior art, the utility model has the following beneficial effects:
the oil seal airtight device of the centrifugal compressor, which is designed by the utility model, can regulate the flange valve to change the flow of the entering gas according to the numerical values displayed by the pressure gauge and the flow meter when the gas is introduced into the oil seal in the using process of the device by using the components such as the pressure gauge, the flow meter, the regulating ball, the flange valve, the Hall sensor and the like, and simultaneously monitors the rotating angle of the flange valve in real time, thereby increasing the practicability of the device.
Drawings
FIG. 1 is a schematic diagram of the front view of the oil seal airtight device of the centrifugal compressor of the present utility model;
FIG. 2 is a schematic side sectional view of an oil seal airtight device of a centrifugal compressor according to the present utility model;
FIG. 3 is a schematic view of another angular cross-sectional side view of the oil seal of the centrifugal compressor of the present utility model;
FIG. 4 is an enlarged schematic view of the structure of FIG. 3A;
fig. 5 is a schematic view showing a partial structure of an oil seal airtight device for a centrifugal compressor according to the present utility model.
Detailed Description
The present utility model will be further described with reference to the drawings and examples below in order to more clearly understand the objects, technical solutions and advantages of the present utility model to those skilled in the art.
In the description of the present utility model, it should be understood that the terms "upper," "lower," "left," "right," "inner," "outer," "transverse," "vertical," and the like indicate or are based on the orientation or positional relationship shown in the drawings, and are merely for convenience in describing the present utility model, and do not indicate or imply that the apparatus or element to be referred to must have a specific orientation, and thus should not be construed as limiting the utility model.
The utility model will be described in detail below with reference to the attached drawings: as shown in FIG. 1, an oil seal airtight device of a centrifugal compressor comprises an oil seal airtight device body, the oil seal airtight device body is composed of an installation seat 1 and an output pipeline connected with the installation seat 1, wherein the installation seat 1 is hollow, a cavity for placing an oil seal 8 is formed, an installation through hole for placing a bearing 7 is formed in the center position of the installation seat 1, the bearing 7 sequentially penetrates through the installation seat 1 and the oil seal 8 through the installation through hole, the outer side wall of the bearing 7 is attached to the inner side wall of the oil seal 8, one end of the bearing 7 is exposed out of the installation seat 1, a blade 2 is installed on the other end of the bearing 7, a plurality of grooves are formed on the inner side wall of the oil seal 8, an airtight chamber 9 is formed between each groove and the outer side wall of the bearing 7, an air cavity 10 is formed on the inner side wall of each airtight chamber 9, an air hole 11 for directly connecting the oil seal 8 is formed in the installation seat 1, and the air hole 11 is connected with the output pipeline.
As shown in fig. 2, the output pipeline is composed of a first output pipeline 3 and a second output pipeline 19, wherein one end of the first output pipeline 3 is connected with the mounting seat 1 through the gas transmission hole 11, the other end is connected with the second output pipeline 19 through the measuring pipe 18, the pressure gauge 4 and the flow meter 5 are installed on the measuring pipe 18, and as shown in fig. 3, one end, far away from the first output pipeline 3, of the second output pipeline 19 is fixedly connected with the adjusting ball 6. As shown in fig. 4, a groove 12 is formed on the outer side wall of the bearing 7 between the mounting seat 1 and the blade 2, a blocking ring 13 is clamped on the inner wall of the groove 12, and a part of the blocking ring 13 is exposed out of the groove 12.
As shown in fig. 5, a hole 14 is formed at the top of the outer side of the adjusting ball 6, and a flange valve 15 is rotatably connected to the inner wall of the hole 14, so that the flange valve 15 rotates inside the adjusting ball 6.
The bottom of adjusting ball 6 inside has been seted up and has been rotated groove 17, the inner wall joint of rotating groove 17 has flange valve 15 still be fixed with hall sensor 16 in adjusting ball 6's inside, hall sensor 16 press the axle and be connected with the surface of flange valve 15 stop ring 13 and adopt the rubber material.
The working process and working principle of the utility model are as follows:
when the device is used, indexes of the pressure gauge 4 and the flowmeter 5 are observed, when the indexes are less and can not reach the airtight requirement, the outer edge of the flange valve 15 can be used for extruding the Hall sensor 16 to press the shaft when the flange valve 15 is rotated through rotating the flange valve 15, the opening and closing of the flange valve 15 can be judged according to the feedback length of the pressing shaft of the flange valve 15, the flow of gas can be accurately controlled, the whole oil system is in a good balance state and better operation of an oil mist fan, meanwhile, oil leakage can be blocked through the blocking ring 13 in the use process, and the practicability of the device is improved.
The specific embodiments described herein are merely illustrative of the principles and functions of the present utility model, and are not meant to limit the utility model. Modifications and variations may be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the utility model. It is therefore intended that all equivalent modifications and changes made by those skilled in the art without departing from the spirit and technical spirit of the present utility model shall be covered by the appended claims.
Claims (6)
1. The utility model provides a centrifugal compressor oil blanket sealing device, includes oil blanket sealing device body, its characterized in that: the oil seal airtight device body comprises mount pad (1) and the output pipeline that is connected with mount pad (1), wherein inside cavity of mount pad (1) forms the cavity that is used for placing oil seal (8) to set up the mounting hole that is used for placing bearing (7) in the central point of mount pad (1), behind bearing (7) run through mount pad (1) and oil blanket (8) in proper order through the mounting hole, the lateral wall of bearing (7) is laminated with the inside wall of oil blanket (8), and the one end of bearing (7) exposes in mount pad (1), installs blade (2) on the other end, be provided with a plurality of recesses on the inside wall of oil blanket (8), form airtight room (9) between every recess and the lateral wall of bearing (7), and set up air cavity (10) on the inside wall of every airtight room (9) gas transmission hole (11) that have set up direct oil seal (8) on mount pad (1), gas transmission hole (11) are connected with the output pipeline.
2. The centrifugal compressor oil seal air-tight device according to claim 1, wherein: the output pipeline comprises a first output pipeline (3) and a second output pipeline (19), wherein one end of the first output pipeline (3) is connected with the mounting seat (1) through the gas transmission hole (11), the other end of the first output pipeline is connected with the second output pipeline (19) through the measuring pipe (18), the pressure gauge (4) and the flowmeter (5) are arranged on the measuring pipe (18), and one end, far away from the first output pipeline (3), of the second output pipeline (19) is fixedly connected with the adjusting ball (6).
3. The centrifugal compressor oil seal air-tight device according to claim 2, wherein: the bearing is characterized in that a groove (12) is formed in the outer side wall of the bearing (7) between the mounting seat (1) and the blade (2), a blocking ring (13) is clamped on the inner wall of the groove (12), and the blocking ring (13) is partially exposed out of the groove (12).
4. The centrifugal compressor oil seal air-tight device according to claim 2, wherein: the top outside adjusting ball (6) has seted up hole (14) the inner wall of hole (14) is rotated and is connected with flange valve (15) for make flange valve (15) rotate in adjusting ball (6) inside.
5. The centrifugal compressor oil seal air-tight device according to claim 4, wherein: the bottom of adjusting ball (6) inside has seted up rotation groove (17), the inner wall joint of rotation groove (17) has flange valve (15) the inside of adjusting ball (6) still is fixed with hall sensor (16), and the pressing shaft of hall sensor (16) is connected with the surface of flange valve (15).
6. A centrifugal compressor oil seal gas seal apparatus according to claim 3, wherein: the blocking ring (13) is made of rubber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322032398.4U CN220452278U (en) | 2023-07-31 | 2023-07-31 | Oil seal airtight device of centrifugal compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322032398.4U CN220452278U (en) | 2023-07-31 | 2023-07-31 | Oil seal airtight device of centrifugal compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220452278U true CN220452278U (en) | 2024-02-06 |
Family
ID=89730999
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322032398.4U Active CN220452278U (en) | 2023-07-31 | 2023-07-31 | Oil seal airtight device of centrifugal compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220452278U (en) |
-
2023
- 2023-07-31 CN CN202322032398.4U patent/CN220452278U/en active Active
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