CN111720289B - A torsion spring structure for reducing noise during compressor start-stop - Google Patents
A torsion spring structure for reducing noise during compressor start-stop Download PDFInfo
- Publication number
- CN111720289B CN111720289B CN202010541901.7A CN202010541901A CN111720289B CN 111720289 B CN111720289 B CN 111720289B CN 202010541901 A CN202010541901 A CN 202010541901A CN 111720289 B CN111720289 B CN 111720289B
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- China
- Prior art keywords
- torsion spring
- compressor
- stator seat
- motor
- connecting part
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- 238000005452 bending Methods 0.000 claims abstract description 45
- 230000003139 buffering effect Effects 0.000 abstract description 3
- 239000011435 rock Substances 0.000 abstract description 3
- 230000000694 effects Effects 0.000 abstract 1
- 238000012423 maintenance Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 2
- 230000005489 elastic deformation Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003116 impacting effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
Classifications
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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
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/0027—Pulsation and noise damping means
- F04B39/0044—Pulsation and noise damping means with vibration damping supports
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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
- F04B35/00—Piston pumps specially adapted for elastic fluids and characterised by the driving means to their working members, or by combination with, or adaptation to, specific driving engines or motors, not otherwise provided for
- F04B35/04—Piston pumps specially adapted for elastic fluids and characterised by the driving means to their working members, or by combination with, or adaptation to, specific driving engines or motors, not otherwise provided for the means being electric
-
- 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
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/0027—Pulsation and noise damping means
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/24—Casings; Enclosures; Supports specially adapted for suppression or reduction of noise or vibrations
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Compressor (AREA)
Abstract
The invention discloses a torsion spring structure for starting, stopping and noise reduction of a compressor, which comprises a limiting support and a torsion spring, wherein the limiting support comprises a first connecting part and a first bending part connected to two ends of the first connecting part and bending towards a stator seat of the motor, a groove is formed in the first bending part, the first connecting part is fixed on the inner wall of a shell of the compressor, the torsion spring comprises a second connecting part and fixing parts connected to two ends of the second connecting part, the torsion spring is fixed on the stator seat of the motor through the fixing parts at two ends, the second connecting part spans over the stator seat of the motor along a diagonal line, the second connecting part comprises a semicircular second bending part and straight line parts positioned at two ends of the second bending part, and the 2 straight line parts are tightly embedded into 2 grooves respectively. This patent utilizes the spacing effect between torsional spring and the spacing support, plays buffering fixed action to the motor core when the compressor opens and stops, avoids the core to rock and collide with the casing, has reduced the noise.
Description
Technical Field
The invention belongs to the technical field of compressors, and particularly relates to a torsion spring structure for noise reduction when a compressor is started and stopped.
Background
The refrigerator compressor is started and stopped in normal operation, but at the moment of starting and stopping, the compressor is generally rocked or bumped. The shaking or impacting is caused by the fact that when the compressor is quickly turned from a static state to a high-rotation-speed running state during power-on starting or is instantaneously turned from the high-rotation-speed running state to the static state during power-off, the compressor movement rotates to generate larger inertia force, and accordingly the compressor movement is large in shaking or impacts the machine shell. Particularly, the starting instant current of the variable frequency compressor is larger than that of a common fixed frequency compressor, and the conditions of large shaking and impact are easier to occur.
Among the existing compressor technology, for example, piston compressor anticollision stop device that CN210317671U provided, including spacing post and spacing collar, the spacing post is established on drive unit's bent axle, and the spacing collar is established at top closing cap inner wall, and the spacing collar can make in the spacing post stretches into the spacing collar and with spacing collar inside wall between the reservation certain clearance when top closing cap closes the compressor casing to make the spacing post rotate in the spacing collar all the time when the allowable compressor pump body is operated, the clearance interval is less than the minimum installation interval between compressor pump outer profile and the compressor casing inner wall, is equipped with on the spacing collar and fixes on the spacing collar inner wall and along inner wall circumference distribution's spring, fixes the stopper at every spring tip. Utilize limit collar, spring, stopper isotructure, limit the motion range between compressor casing and the compressor pump body, avoid the collision between the compressor pump body and the casing, reduced the noise of compressor during operation, avoid the damage that collision brought between compressor casing and the pump body. However, the device has a plurality of parts, a complex structure, easy failure and inconvenient maintenance and replacement.
Disclosure of Invention
In order to solve the problems in the prior art, the invention provides a torsion spring structure for noise reduction when a compressor is started and stopped, which is realized by the following technical scheme.
The torsion spring structure for starting, stopping and noise reduction of the compressor comprises a limiting support and a torsion spring, wherein the limiting support comprises a first connecting part and a first bending part connected to two ends of the first connecting part and bending towards a stator seat of a motor, a groove is formed in the first bending part, the first connecting part is fixed on the inner wall of a shell of the compressor, the torsion spring comprises a second connecting part and fixing parts connected to two ends of the second connecting part, the torsion spring is fixed on the stator seat of the motor through the fixing parts at two ends, the second connecting part stretches across the upper portion of the stator seat of the motor along a diagonal line, the second connecting part comprises a semicircular second bending part and straight line parts positioned at two ends of the second bending part, gaps are reserved between the second connecting part and the shell of the compressor, the stator seat and the rotor, and 2 straight line parts are respectively tightly embedded into 2 grooves.
When the motor is started or shut down, the movement of the motor is easy to shake and collide with the shell due to the rotation inertia in the rotation direction. The above-mentioned torsional spring structure of this patent is fixed on the inner wall of compressor casing with the first connecting portion of spacing support, and the first kink at first connecting portion both ends is buckled towards the stator seat direction of the motor of compressor, with 2 sharp parts of torsional spring respectively imbeds in the recess on the first kink, makes can not take place relative rotation between torsional spring and the spacing support, and other parts except that the fixed part of torsional spring all do not contact with stator seat, stator, rotor and the compressor casing of motor, avoids taking place to interfere the noise production. The torsional spring of this patent passes through the fixed part to be fixed on the stator seat according to the diagonal direction of stator seat, and the torsional spring still is limited by the recess of spacing support simultaneously to avoided the stator seat of core to rock and collide the casing for the casing, showing the torsional spring structure that has reduced the compressor and opened the in-process of stopping. The second bending part in the middle of the torsion spring is used for avoiding an oil suction pipe at the center of the machine type rotor, and abrasion caused by contact with the oil suction pipe is avoided. The torsion spring can be made of steel wires with certain elastic deformation capacity, and plays a certain role in buffering.
Preferably, the fixing part comprises a third bending part bending towards the direction of the stator seat of the motor, a fourth bending part is arranged at the tail end of the third bending part, a fixing ring is arranged at the tail end of the fourth bending part, and the plane where the fixing ring is located is parallel to the surface of the stator seat of the motor.
More preferably, a torsional spring supporting block is arranged on the stator seat of the motor, and the fixed ring is sleeved on the torsional spring supporting block in an interference mode.
More preferably, the stator base of the motor is provided with a bolt hole, and the fixing ring is pressed on the bolt hole through a bolt. The fixing ring is aligned with the bolt hole, then the bolt is screwed in, and the fixing ring is tightly pressed on the bolt hole, so that the torsion spring is fixedly connected with the stator seat.
Preferably, the first connecting portion is welded to the inner wall of the housing of the compressor.
Preferably, the first connection portion is fixed to the inner wall of the housing of the compressor by bolts. In order to improve the convenience of maintenance and replacement, the first connecting part of the limiting support is fixed on the shell through a bolt, and the bolt is dismounted when the shell needs to be dismounted.
Preferably, the cross section diameter of the torsion spring is 1.4mm-2.0mm, and the width of the groove on the first bending part is 3mm-4mm.
Compared with the prior art, the invention has the beneficial effects that the motor core is buffered and fixed when the compressor is started and stopped by utilizing the limiting function between the torsion spring and the limiting bracket, so that the collision between the motor core and the shell of the compressor caused by the shaking of the rotation inertia is avoided, and the noise during the starting and stopping is reduced.
Drawings
FIG. 1 is a front view of a torsion spring structure for compressor start-stop noise reduction of embodiment 1;
FIG. 2 is a top view of torsion spring structure for compressor start-stop noise reduction of embodiment 1 (stator base, stator and rotor are not shown);
fig. 3 is a schematic perspective view of a limiting bracket of a torsion spring structure for start-stop noise reduction of a compressor in embodiment 1;
FIG. 4 is a schematic perspective view of the torsion spring structure for compressor start-stop noise reduction of embodiment 1;
FIG. 5 is a front view of the torsion spring structure for compressor start-stop noise reduction of embodiment 2;
the device comprises a limiting bracket 1, a torsion spring 3, a first connecting part 4, a stator seat 5, a first bending part 6, a groove 7, a shell 8, a second connecting part 9, a second bending part 10, a straight line part 11, a rotor 12, a third bending part 13, a fourth bending part 14, a fixing ring 15, a torsion spring supporting block 16 and a bolt hole.
Detailed Description
The following description of the embodiments of the present patent will be made clearly and completely with reference to the accompanying drawings, and it is apparent that the described embodiments are only some embodiments of the present patent, but not all embodiments. All other embodiments, which can be made by one of ordinary skill in the art without undue burden from the one of ordinary skill in the art based on the embodiments of this patent, are within the scope of protection of this patent.
In the description of this patent, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", "top", etc., are based on directions or positional relationships shown in the drawings, are merely for convenience of description of this patent and for simplification of description, and do not indicate or imply that the apparatus or element to be referred to must have a specific direction, be configured and operated in a specific direction, and thus should not be construed as limiting the patent. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of this patent, unless explicitly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may, for example, be fixedly connected, detachably connected, or integrally connected, mechanically connected, electrically connected, directly connected, indirectly connected via an intervening medium, or connected in communication between two elements. It is noted that all of the figures are exemplary representations. The specific meaning of the terms in this patent will be understood by those of ordinary skill in the art in a specific context.
The present patent is described in further detail below by way of specific examples of embodiments and with reference to the accompanying drawings.
Example 1
As shown in FIGS. 1-4, the torsion spring structure for start-stop noise reduction of a compressor provided by the embodiment comprises a limiting bracket 1 and a torsion spring 2, wherein the limiting bracket 1 comprises a first connecting part 3 and a first bending part 5 connected to two ends of the first connecting part 3 and bending towards a stator seat 4 of the motor, a groove 6 is formed in the first bending part 5, the first connecting part 3 is fixedly welded on the inner wall of a shell 7 of the compressor, the torsion spring 2 comprises a second connecting part 8 and fixing parts connected to two ends of the second connecting part 8, the torsion spring 2 is fixed on the stator seat 4 of the motor through the fixing parts at two ends, the second connecting part 8 stretches across the upper part of the stator seat 4 of the motor along a diagonal line, the second connecting part 8 comprises a semicircular second bending part 9 and a straight line part 10 positioned at two ends of the second bending part 9, gaps are reserved between the second connecting part 8 and the shell 7, the stator seat 4 and a rotor 11 of the compressor, the 2 straight line parts 10 are respectively tightly embedded into the grooves 2, the second connecting part 2 is tightly embedded into the motor, the fixing parts are respectively provided with a third bending part 14 and a fourth bending part 14 is arranged on the surface of the stator seat 4 of the motor, and a third bending part 14 is arranged on the end of the stator seat 14 is provided with a third bending part 14, and a fourth bending part is arranged on the end surface of the stator seat 14 is fixed on the stator seat 14.
As shown in fig. 1, the direction of the movement on the market at present is vertically fixed in the compressor shell downwards, the first connecting part of the limiting bracket is fixed on the inner wall of the compressor shell, the first bending parts at two ends of the first connecting part are bent upwards towards the stator seat direction of the motor of the compressor, and the 2 straight lines of the torsion spring are respectively embedded into the grooves on the first bending parts, so that the torsion spring and the limiting bracket cannot rotate relatively, and other parts of the torsion spring except the fixing part are not contacted with the stator seat, the stator, the rotor and the compressor shell of the motor, thereby avoiding interference contact and noise generation. The torsional spring of this patent passes through the fixed part to be fixed on the stator seat according to the diagonal direction of stator seat, and the torsional spring still is limited by the recess of spacing support simultaneously to avoided the stator seat of core to rock and collide the casing for the casing, showing the torsional spring structure that has reduced the compressor and opened the in-process of stopping. The second bending part in the middle of the torsion spring is used for avoiding an oil suction pipe at the center of the machine type rotor and avoiding abrasion caused by contact with the oil suction pipe, the third bending part is bent upwards towards the stator seat direction of the motor of the compressor, the function is convenient for clamping the linear part of the torsion spring and the groove of the limiting support, and the fourth bending part is bent towards the horizontal direction, and the function is convenient for connecting the fixing ring with the torsion spring supporting block. The torsion spring can be made of steel wires with certain elastic deformation capacity, and plays a certain role in buffering.
Example 2
As shown in fig. 5, the torsional spring structure for start-stop noise reduction of the compressor provided in this embodiment is different from embodiment 1 in that the stator seat 4 of the motor is provided with a bolt hole 16, the fixing ring 14 is pressed on the bolt hole 16 by a bolt, and the first connecting portion 3 is fixed on the inner wall of the housing 7 of the compressor by a bolt.
In the embodiment, the first connecting part is fixed on the shell by the bolts, so that the replacement and the maintenance are convenient.
The above examples describe in detail the practice of the invention, but the invention is not limited to the specific details of the above embodiments. Many simple modifications and variations of the technical solution of the present invention are possible within the scope of the claims and technical idea of the present invention, which simple modifications are all within the scope of the present invention.
Claims (4)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010541901.7A CN111720289B (en) | 2020-06-15 | 2020-06-15 | A torsion spring structure for reducing noise during compressor start-stop |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010541901.7A CN111720289B (en) | 2020-06-15 | 2020-06-15 | A torsion spring structure for reducing noise during compressor start-stop |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111720289A CN111720289A (en) | 2020-09-29 |
| CN111720289B true CN111720289B (en) | 2025-01-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010541901.7A Active CN111720289B (en) | 2020-06-15 | 2020-06-15 | A torsion spring structure for reducing noise during compressor start-stop |
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| CN (1) | CN111720289B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP4089283B1 (en) | 2021-03-31 | 2024-01-03 | Arçelik Anonim Sirketi | A hermetic compressor comprising a spring connection member |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109989903A (en) * | 2017-12-30 | 2019-07-09 | 王毅 | Compressor with independent damping spring support structure |
| CN209233645U (en) * | 2019-01-29 | 2019-08-09 | 王丽梅 | A kind of stable type motor fixing seat |
| CN212535985U (en) * | 2020-06-15 | 2021-02-12 | 黄石东贝电器股份有限公司 | Torsional spring structure for noise reduction of starting and stopping of compressor |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN209200835U (en) * | 2019-01-04 | 2019-08-02 | 葛喆鑫 | A kind of coal mining machine electricity operation shock arrester (-tor) |
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2020
- 2020-06-15 CN CN202010541901.7A patent/CN111720289B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109989903A (en) * | 2017-12-30 | 2019-07-09 | 王毅 | Compressor with independent damping spring support structure |
| CN209233645U (en) * | 2019-01-29 | 2019-08-09 | 王丽梅 | A kind of stable type motor fixing seat |
| CN212535985U (en) * | 2020-06-15 | 2021-02-12 | 黄石东贝电器股份有限公司 | Torsional spring structure for noise reduction of starting and stopping of compressor |
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| CN111720289A (en) | 2020-09-29 |
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| Date | Code | Title | Description |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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| TA01 | Transfer of patent application right |
Effective date of registration: 20210621 Address after: No.6, East Jinshan Avenue, Huangshi economic and Technological Development Zone, Huangshi City, Hubei Province Applicant after: Huangshi Dongbei Compressor Co.,Ltd. Address before: 435000 East Jinshan Avenue, Huangshi economic and Technological Development Zone, Hubei Province Applicant before: Huangshi Dongbei Electrical Appliance Co.,Ltd. |
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