CN115076236A - External sealed compressor gas pipeline clearance adjustment mechanism - Google Patents
External sealed compressor gas pipeline clearance adjustment mechanism Download PDFInfo
- Publication number
- CN115076236A CN115076236A CN202210771190.1A CN202210771190A CN115076236A CN 115076236 A CN115076236 A CN 115076236A CN 202210771190 A CN202210771190 A CN 202210771190A CN 115076236 A CN115076236 A CN 115076236A
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- Prior art keywords
- air
- bearing seat
- side wall
- sealing cover
- sealing
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- 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.)
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- 230000007246 mechanism Effects 0.000 title claims abstract description 26
- 238000007789 sealing Methods 0.000 claims abstract description 43
- 230000001360 synchronised effect Effects 0.000 claims abstract description 20
- 230000005540 biological transmission Effects 0.000 claims abstract description 16
- 230000000149 penetrating effect Effects 0.000 claims description 11
- 230000001105 regulatory effect Effects 0.000 claims description 10
- 238000012423 maintenance Methods 0.000 abstract description 5
- 230000007547 defect Effects 0.000 abstract description 3
- 239000007789 gas Substances 0.000 description 16
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 239000011261 inert gas Substances 0.000 description 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- -1 for example Substances 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 230000007096 poisonous effect Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C32/00—Bearings not otherwise provided for
- F16C32/06—Bearings not otherwise provided for with moving member supported by a fluid cushion formed, at least to a large extent, otherwise than by movement of the shaft, e.g. hydrostatic air-cushion bearings
- F16C32/0662—Details of hydrostatic bearings independent of fluid supply or direction of load
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C37/00—Cooling of bearings
- F16C37/002—Cooling of bearings of fluid bearings
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/02—Sealings between relatively-stationary surfaces
- F16J15/021—Sealings between relatively-stationary surfaces with elastic packing
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/02—Sealings between relatively-stationary surfaces
- F16J15/06—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces
- F16J15/10—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces with non-metallic packing
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
Abstract
The invention relates to the technical field of compressors, and provides an external sealed compressor gas pipeline gap adjusting mechanism which comprises an adjusting pipe, blades arranged in the adjusting pipe, an actuator connected with each blade through a synchronous transmission structure to drive the blades to rotate, and a sealing structure, and is characterized in that: the sealing structure comprises a sealing cover and an air bearing seat; the sealing cover surrounds and is fixed outside the adjusting pipe and seals the synchronous transmission structure and the rotating shaft in the cover body; the actuator is arranged outside the sealing cover, the air bearing seat is arranged on the sealing cover, a connecting shaft of the actuator penetrates through the air bearing seat and then extends into the sealing cover to be connected with a synchronous transmission structure, an inner sleeve is arranged in the air bearing seat, and a sealing ring matched with the inner side wall of the air bearing seat is embedded in the outer side wall of the inner sleeve. The invention overcomes the defects of the prior art and solves the technical problems of poor stability and higher maintenance frequency of the existing inlet clearance adjusting mechanism of the compressor.
Description
Technical Field
The invention relates to the technical field of compressors, in particular to an external sealed compressor gas pipeline gap adjusting mechanism.
Background
The invention patent application with application number CN202121397360.1 discloses a compressor inlet gap adjusting mechanism, which has a gap between the contact part of the transmission shaft and the adjusting pipe, when the mechanism is applied to some special compressors for process systems, for example, the medium in the process system of the compressor contains poisonous and harmful gas components, and leaks through the gap, if the medium leaks to the atmosphere, the process gas pollution can be caused, and the health of field personnel is endangered, so the utility model with application number 202121733890.9 provides a sealing cover which is additionally arranged outside the compressor inlet gap adjusting mechanism, and the leakage of harmful gas is effectively prevented.
However, in the practical application process, the mechanism is found to have poor stability and high maintenance frequency, and the following technical problems mainly exist: adjustment mechanism's executor operation generates heat, and through sealed cowling seal installation back, the heat is difficult for giving off, and on the one hand, there is the potential safety hazard, and on the other hand leads to the connecting axle of executor to change and takes place thermal deformation, and simultaneously, connecting axle and bearing cooperation precision are high, and unilateral clearance is only 1 silk, and the connecting axle blocks easily behind the heat altered shape.
Therefore, an external sealed gas pipeline gap adjusting mechanism of the compressor is provided.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides an external sealed compressor gas pipeline gap adjusting mechanism, which overcomes the defects of the prior art, is reasonable in design, and solves the technical problems of poor stability and high maintenance frequency of the existing compressor inlet gap adjusting mechanism.
(II) technical scheme
In order to achieve the purpose, the invention is realized by the following technical scheme:
the utility model provides an external sealed compressor gas pipeline clearance adjustment mechanism, includes the control tube, rotates through the pivot and installs in a plurality of blades of control tube, the synchronous drive structure of being connected with each pivot, be connected with the synchronous drive structure and be used for driving pivot pivoted executor, be used for preventing gas leakage's seal structure, its characterized in that:
the sealing structure comprises a sealing cover and an air bearing seat;
the sealing cover surrounds and is fixed outside the adjusting pipe and seals the synchronous transmission structure and the rotating shaft in the cover body;
the actuator is arranged outside the sealing cover, the air bearing seat is arranged on the sealing cover, a connecting shaft of the actuator penetrates through the air bearing seat and then extends into the sealing cover to be connected with a synchronous transmission structure, an inner sleeve is arranged in the air bearing seat, and a sealing ring matched with the inner side wall of the air bearing seat is embedded in the outer side wall of the inner sleeve;
the air bearing seat is provided with an air inlet, the inner sleeve is provided with a first air guide groove surrounding the outer side wall, a first radial air hole communicated with the first air guide groove and penetrating through the inner side wall, the connecting shaft is provided with a second air guide groove surrounding the outer side wall, second radial air holes radially penetrating through two ends of the second air guide groove, third radial air holes respectively arranged on the upper side and the lower side of the second radial air holes and radially penetrating through the outer side wall, and axial air holes axially extending and communicated with the second air guide groove and the third radial air holes.
Further, the air inlet is connected with an air supply unit through a pipeline, and the air supply unit is used for providing inert gas.
Furthermore, the third radial air holes on the same side are provided with two radial air holes and are arranged in a cross shape.
Furthermore, the sealing ring is provided with two channels and is distributed on the upper side and the lower side of the first air guide groove.
Further, the synchronous transmission structure includes shift fork, driving lever and synchronizer ring, each the tip that the regulating tube was stretched out in the pivot all is connected with the shift fork, the shift fork is equipped with the adjustment tank that sets up along length direction, driving lever and shift fork one-to-one and perpendicular installation are on the synchronizer ring, the tip of driving lever stretches into in the adjustment tank, synchronizer ring cover is located outside the regulating tube and can rotate around the regulating tube, be equipped with on the regulating tube and carry out spacing in order to prevent that the driving lever from breaking away from the limit structure of adjustment tank to the axial position of synchronizer ring.
Furthermore, stop gear includes spacing groove and bearing, and annular spacing groove is seted up in the lateral wall of regulating tube and is set up with the synchronizer ring is coaxial, more than three the bearing is installed on the synchronizer ring and around the regulating tube equipartition, stretching into of bearing the spacing inslot.
Furthermore, a ball head is mounted on the shifting rod and is in contact with the inner side wall of the adjusting groove.
(III) advantageous effects
The invention provides an external sealed compressor gas pipeline gap adjusting mechanism, which has the following beneficial effects:
1. the actuator of the adjusting mechanism is arranged outside the sealing cover, so that heat generated by operation is easy to dissipate, the influence on the connecting shaft is reduced, and potential safety hazards are reduced;
2. an air film is formed between the inner sleeve and the connecting shaft after the inert gas passes through the air inlet hole of the air bearing seat, the first air guide groove and the first radial air hole of the inner sleeve, the second air guide groove and the second radial air hole of the connecting shaft, the axial air hole and the third radial air hole, so that on one hand, the connecting shaft is lubricated and friction is reduced, on the other hand, heat in the connecting shaft is taken away through the gas, thermal deformation of the connecting shaft is greatly reduced, and the connecting shaft is prevented from being clamped;
3. an inner sleeve is arranged, a sealing ring is arranged between the inner sleeve and the air bearing seat, and the deformation of the connecting shaft is absorbed through the sealing ring, so that the clamping of the connecting shaft is further avoided; meanwhile, the connecting shaft is prevented from directly contacting the sealing ring, so that the abrasion of the sealing ring is reduced, and the service life of the sealing ring is effectively prolonged.
In conclusion, after the external sealed compressor gas pipeline gap adjusting mechanism is improved, the stability of the mechanism is effectively improved and the maintenance frequency is greatly reduced on the basis of ensuring the original sealing effect and preventing gas medium leakage.
Drawings
FIG. 1 is a schematic diagram of a first perspective structure according to the present invention;
FIG. 2 is a schematic structural view from a second perspective of the present invention, wherein the side panel of the seal housing is not shown;
FIG. 3 is a partially enlarged view of the structure at A in FIG. 2;
FIG. 4 is a schematic cross-sectional view of the present invention;
FIG. 5 is a partially enlarged view of the structure at B in FIG. 4;
fig. 6 is a partially enlarged structural view of a portion C in fig. 4.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are a part of the embodiments of the present invention, but 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, an external sealed gas pipeline gap adjusting mechanism for a compressor comprises an adjusting pipe 2, a plurality of blades 16 rotatably mounted in the adjusting pipe 2 through a rotating shaft 11 (the plurality of blades 16 are distributed around the circumferential direction of the inner side wall of the adjusting pipe 2), a synchronous transmission structure connected with each rotating shaft 11, an actuator 1 connected with the synchronous transmission structure and used for driving the rotating shaft 11 to rotate, and a sealing structure used for preventing gas leakage;
the sealing structure comprises a sealing cover 3 and an air bearing seat 7;
the sealing cover 3 surrounds and is fixed outside the adjusting pipe 2 and seals the synchronous transmission structure and the rotating shaft 11 in the cover body, the sealing cover 3 comprises a first end plate 5, a second end plate 6 and a side plate 4, the first end plate 5 and the second end plate 6 are arranged in parallel and are fixedly connected with the adjusting pipe 2, the side plate 4 is hermetically connected with the first end plate 5 and the second end plate 6, the sealing cover 3 is preferably of an annular structure, in the figure, 8 is an annular connecting plate, the annular connecting plate 8 is fixedly welded with the side plate 4, is locked with the first end plate 5 through a bolt and is additionally provided with a first sealing ring;
executor 1 sets up outside sealed cowling 3, and air bearing seat 7 is installed on sealed cowling 3, and the connecting axle 17 of executor 1 runs through and stretches into 3 in-connection synchronous transmission structures in the sealed cowling behind the air bearing seat 7, installs endotheca 18 in the air bearing seat 7, and the lateral wall of endotheca 18 inlays and is equipped with the second sealing washer 19 with the inside wall laminating of air bearing seat 7, and second sealing washer 19 is equipped with twice and distributes in the upper and lower both sides in first air guide groove 18 a.
The air bearing support 7 is provided with an air inlet hole 7a, and the air inlet hole 7a is connected with an air supply unit (not shown in the figure) through a pipeline, the air supply unit is used for supplying inert gas, for example, nitrogen and argon, the inner sleeve 18 is provided with a first air guide groove 18a surrounding the outer side wall, a first radial air hole communicated with the first air guide groove 18a and penetrating through the inner side wall, the connecting shaft 17 is provided with a second air guide groove 17a surrounding the outer side wall, second radial air holes 17b penetrating through two ends of the second air guide groove 17a along the radial direction, third radial air holes 17c respectively arranged at the upper side and the lower side of the second radial air holes 17b and penetrating through the outer side wall along the radial direction, and axial air holes 17d extending along the axial direction and communicated with the second air guide groove 17a and the third radial air holes 17c, the lower end of the axial air holes 17d is not penetrated, the upper end is sealed by plugs, wherein two third radial air holes at the same side are arranged in a cross shape.
The synchronous transmission structure comprises a shifting fork, a shifting rod 13 and a synchronous ring 14, the end part of each rotating shaft 11 extending out of the adjusting pipe 2 is connected with the shifting fork, the shifting forks comprise a first shifting fork 9-1 and a second shifting fork 9-2, the first shifting fork 9-1 and the second shifting fork 9-2 are respectively provided with an adjusting groove 9a arranged along the length direction, the first shifting fork 9-1 is directly connected with the connecting shaft 17, the adjusting groove 9a is an annular closed penetrating groove to prevent the shifting rod 13 from falling off, the adjusting groove of the second shifting fork 9-2 is a U-shaped penetrating groove with an open end, the shifting rods 13 and the shifting forks are in one-to-one correspondence and are vertically arranged on the synchronizing ring 14, the end part of the shifting rod 13 extends into the adjusting groove 9a, the synchronizing ring 14 is sleeved outside the adjusting pipe 2 and can rotate around the adjusting pipe 2, and the adjusting pipe 2 is provided with a limiting structure for limiting the axial position of the synchronizing ring 14 to prevent the shifting rod 13 from falling off the adjusting groove 9 a. Stop gear includes spacing groove and bearing 15, and annular spacing groove is seted up in the lateral wall of regulating pipe 2 and is set up with synchronizer ring 14 is coaxial, and bearing 15 more than three is installed on synchronizer ring 14 and around regulating pipe 2 equipartition, and the spacing inslot that stretches into of bearing 15. A ball 12 is mounted on the shift lever, and preferably, the ball 12 is rotationally matched with the shift lever and is in contact with the inner side wall of the adjusting groove. The invention patent application with the application number of CN202121397360.1 adopts the connecting rod in the synchronous transmission structure, and has a certain probability of being stuck due to the existence of dead points, and once the connecting rod is forcibly driven after being stuck, the connecting rod is broken, thereby causing the technical problem of high maintenance frequency. In addition, the first shifting fork 9-1 is matched with the corresponding shifting rod to drive the synchronizing ring 14 to rotate, and the synchronizing ring 14 rotates to drive the other shifting rod and the second shifting fork 9-2 to synchronously rotate, so that the synchronism is better, and the locking can be effectively avoided.
In the figure, 10 is the beaded finish, beaded finish 10 cover locate outside the control tube 2 and with control tube 2 fixed connection, be connected with the position sleeve 22 with 11 one-to-one in the pivot on the beaded finish 10, control tube 2 is passed to the upper end of pivot 11, connect the shift fork behind the position sleeve 22, on the one hand, accessible position sleeve 22 fixes a position the position mounted position of shift fork, on the other hand, the lateral wall of position sleeve 22 can pass through threaded connection with beaded finish 10, install the third sealing washer between the inside wall of position sleeve 22 and the pivot 11, the clearance between pivot 11 and the control tube 2 is sealed to position sleeve 22 bottom, in order to further prevent gas leakage. Wherein, the shift fork includes connecting portion 9b, the regulation main part 9c that sets up the adjustment tank be connected with pivot 11, and threaded connection has stop screw 23 on connecting portion 9 b.
In the figure, 20 is a connecting seat, a connecting seat 20 is arranged between the air bearing seat 7 and the adjusting pipe 2, the connecting seat 20 is used for adapting the radian of the outer side wall of the adjusting pipe 2, and a fourth sealing ring 21 can be additionally arranged between the air bearing seat 7 and the connecting seat 20.
It should be noted that, in this document, the above embodiments are only used for illustrating the technical solution of the present invention, and not for limiting the same; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (7)
1. The utility model provides an external sealed compressor gas pipeline clearance adjustment mechanism, includes the control tube, rotates through the pivot and installs in a plurality of blades of control tube, the synchronous drive structure of being connected with each pivot, be connected with the synchronous drive structure and be used for driving pivot pivoted executor, be used for preventing gas leakage's seal structure, its characterized in that:
the sealing structure comprises a sealing cover and an air bearing seat;
the sealing cover surrounds and is fixed outside the adjusting pipe and seals the synchronous transmission structure and the rotating shaft in the cover body;
the actuator is arranged outside the sealing cover, the air bearing seat is arranged on the sealing cover, a connecting shaft of the actuator penetrates through the air bearing seat and then extends into the sealing cover to be connected with a synchronous transmission structure, an inner sleeve is arranged in the air bearing seat, and a sealing ring matched with the inner side wall of the air bearing seat is embedded in the outer side wall of the inner sleeve;
the air bearing seat is provided with an air inlet, the inner sleeve is provided with a first air guide groove surrounding the outer side wall, a first radial air hole communicated with the first air guide groove and penetrating through the inner side wall, the connecting shaft is provided with a second air guide groove surrounding the outer side wall, second radial air holes radially penetrating through two ends of the second air guide groove, third radial air holes respectively arranged on the upper side and the lower side of the second radial air holes and radially penetrating through the outer side wall, and axial air holes axially extending and communicated with the second air guide groove and the third radial air holes.
2. The externally sealed compressor gas line clearance adjustment mechanism of claim 1, wherein: the air inlet is connected with the air supply unit through a pipeline.
3. The externally sealed compressor gas line clearance adjustment mechanism of claim 1, wherein: the third radial air holes on the same side are provided with two radial air holes which are arranged in a cross shape.
4. The externally sealed compressor gas line clearance adjustment mechanism of claim 1, wherein: the sealing ring is provided with two channels and is distributed on the upper side and the lower side of the first air guide groove.
5. The externally sealed compressor gas line clearance adjustment mechanism of claim 1, wherein: the synchronous transmission structure comprises a shifting fork, a shifting rod and a synchronizing ring, wherein the end part of the rotating shaft, extending out of the adjusting pipe, is connected with the shifting fork, the shifting fork is provided with an adjusting groove arranged along the length direction, the shifting rod and the shifting fork are in one-to-one correspondence and are vertically arranged on the synchronizing ring, the end part of the shifting rod extends into the adjusting groove, the synchronizing ring is sleeved outside the adjusting pipe and can rotate around the adjusting pipe, and the adjusting pipe is provided with a limiting structure for limiting the axial position of the synchronizing ring so as to prevent the shifting rod from separating from the adjusting groove.
6. The external sealed compressor gas pipeline clearance adjusting mechanism as recited in claim 5, wherein: stop gear includes spacing groove and bearing, and annular spacing groove is seted up in the lateral wall of regulating pipe and is set up with the synchronizer ring is coaxial, more than three the bearing is installed on the synchronizer ring and around the regulating pipe equipartition, stretching into of bearing the spacing inslot.
7. The externally sealed compressor gas line clearance adjustment mechanism of claim 5, wherein: the driving lever is provided with a ball head, and the ball head is in contact with the inner side wall of the adjusting groove.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202210771190.1A CN115076236B (en) | 2022-06-30 | 2022-06-30 | External sealed compressor gas pipeline gap adjusting mechanism |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN202210771190.1A CN115076236B (en) | 2022-06-30 | 2022-06-30 | External sealed compressor gas pipeline gap adjusting mechanism |
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CN115076236A true CN115076236A (en) | 2022-09-20 |
CN115076236B CN115076236B (en) | 2023-10-24 |
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CN202210771190.1A Active CN115076236B (en) | 2022-06-30 | 2022-06-30 | External sealed compressor gas pipeline gap adjusting mechanism |
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Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20030175134A1 (en) * | 2002-03-15 | 2003-09-18 | Tomohiko Matsubara | Automotive compressor having a simple waterproof structure for a bearing supporting a pulley |
CN108223454A (en) * | 2018-03-01 | 2018-06-29 | 福建雪人股份有限公司 | A kind of guide vane regulating mechanism of centrifugal compressor |
CN214887557U (en) * | 2021-06-22 | 2021-11-26 | 欧司特动力技术(江苏)有限公司 | Inlet clearance adjusting mechanism of compressor |
CN215335169U (en) * | 2021-07-28 | 2021-12-28 | 欧司特动力技术(江苏)有限公司 | IGV circuit sealing cover for compressor gas pipeline |
CN216044619U (en) * | 2021-09-15 | 2022-03-15 | 江苏章鼓力魄锐动力科技有限公司 | Sealed air inlet guide device for air blower |
-
2022
- 2022-06-30 CN CN202210771190.1A patent/CN115076236B/en active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20030175134A1 (en) * | 2002-03-15 | 2003-09-18 | Tomohiko Matsubara | Automotive compressor having a simple waterproof structure for a bearing supporting a pulley |
CN108223454A (en) * | 2018-03-01 | 2018-06-29 | 福建雪人股份有限公司 | A kind of guide vane regulating mechanism of centrifugal compressor |
CN214887557U (en) * | 2021-06-22 | 2021-11-26 | 欧司特动力技术(江苏)有限公司 | Inlet clearance adjusting mechanism of compressor |
CN215335169U (en) * | 2021-07-28 | 2021-12-28 | 欧司特动力技术(江苏)有限公司 | IGV circuit sealing cover for compressor gas pipeline |
CN216044619U (en) * | 2021-09-15 | 2022-03-15 | 江苏章鼓力魄锐动力科技有限公司 | Sealed air inlet guide device for air blower |
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