CN211474367U - Anti-collision structure of refrigeration compressor - Google Patents
Anti-collision structure of refrigeration compressor Download PDFInfo
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- CN211474367U CN211474367U CN201922321041.1U CN201922321041U CN211474367U CN 211474367 U CN211474367 U CN 211474367U CN 201922321041 U CN201922321041 U CN 201922321041U CN 211474367 U CN211474367 U CN 211474367U
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Abstract
The utility model relates to a compressor's crashproof structure, include: the lower part of the limiting column is fixedly connected with the inner bottom surface of the shell; the damping pad is positioned below the stator and fixedly connected with the stator, a plurality of spring mounting holes are annularly formed in the upper part of the damping pad, a central hole for the limiting column to penetrate through is formed in the lower part of the damping pad, and mounting gaps are formed between the central hole and the limiting column in the radial direction and the axial direction; a mounting gap is formed between the shock pad and the inner bottom surface of the shell; and a mounting gap is arranged between the damping spring and the spring mounting hole. The utility model relates to a compressor's crashproof structure has add shock pad and spacing post to through between shock pad and the spacing post, and the installation clearance between the spring, limited the displacement volume of compressor core, avoid the transmission of compressor vibrations under the running state, reduced the striking noise, increased substantially the ability of compressor core at removal in-process resistance striking.
Description
Technical Field
The utility model belongs to the technical field of the compressor and specifically relates to a compressor's anticollision structure is related to.
Background
The small-sized refrigeration compressor is a heart of a system such as a refrigerator, an air conditioner and the like, is widely used for the refrigerator, a water dispenser, a dehumidifier and the small air conditioner, the mainstream compressor in the market at present is a fully-closed piston type compressor, a rotary type compressor and a scroll type compressor, and the small-sized refrigeration compressor is widely applied in the fields of mobile vehicle refrigeration, solar refrigeration, mobile base stations and the like along with the continuous expansion of the refrigeration field of the compressor, but provides more rigorous requirements on the reliability of the compressor. Especially, in the refrigeration of the moving process, such as the application of automobiles, trucks, electric tricycles, yachts and the like, the reliable performance and service life of refrigeration are required, and meanwhile, the compressor is required to have low noise and low vibration, and must have the capacity of resisting collision in the moving process and reducing the collision noise caused by collision.
In order to reduce vibration and noise in the operation process, the design of the household appliance compressor is generally adopted on the market, the split structure of a compressor core and a shell is generally adopted, a seat spring or a spring hanging mode is used in the shell, meanwhile, in order to prevent the movement process, the collision noise caused by collision of the core and the shell and the damage of the core caused by collision is prevented, an anti-collision block is added to the collision contact part of the core and the shell on the current market, meanwhile, the anti-collision block is made of flexible plastics such as polytetrafluoroethylene or a spring. However, the structure can only reduce the impact sound at present, cannot ensure the reliability, cannot resist long-term and violent jolt and vibration, and accelerates the impact damage of internal parts of the compressor. Implementation of automotive standards in particular, presents challenges for mobile and in particular vehicular refrigeration systems.
So far, in the international market, the main stream refrigeration compressor applied to the environment is basically designed by adopting the original household compressor, and an impact protection scheme is added, but the anti-collision capacity of the compressor is far from meeting the harsh automobile standard, and the improvement is urgently needed.
Disclosure of Invention
The utility model discloses to the relevant problem in the background art, provide a compressor's crashproof structure, improved compressor's reliability, especially remove the reliability that in-process compressor resisted vibrations and striking.
In order to solve the technical problem, the utility model discloses a technical scheme is:
a crash-proof structure of a refrigeration compressor comprising:
the limiting column is of a flange structure, and the lower part of the limiting column is fixedly connected with the inner bottom surface of the shell;
the damping pad is of a three-dimensional sunken annular structure, is positioned below the stator and is fixedly connected with the stator, a plurality of spring mounting holes are annularly formed in the upper part of the damping pad, a central hole for the limiting column to penetrate through is formed in the lower part of the damping pad, and mounting gaps are formed between the central hole and the limiting column in the radial direction and the axial direction; a mounting gap is formed between the shock pad and the inner bottom surface of the shell;
and the lower part of the damping spring is arranged on a spring pin on the inner bottom surface of the shell, the upper part of the damping spring is abutted against the stator after penetrating through the spring mounting hole, and a mounting gap is arranged between the damping spring and the spring mounting hole.
Further, the shock pad comprises a shock pad limiting part, a shock pad connecting part and a shock pad horizontal part which are integrally connected, the shock pad limiting part is fixedly connected with the stator, and a plurality of spring mounting holes for mounting springs are annularly arranged on the shock pad limiting part; the middle part of the horizontal part of the shock pad is provided with the central hole.
Furthermore, the limiting column comprises a limiting column fixing part, a limiting column connecting part and a limiting column horizontal part which are connected integrally, the limiting column fixing part is fixedly connected with the inner bottom surface of the shell, and the limiting column horizontal part is located above the horizontal part of the shock pad.
Furthermore, a mounting gap of 1-3mm is arranged between the damping spring and the spring mounting hole.
Furthermore, a 1-3mm installation gap is arranged between the end face of the horizontal part of the shock pad and the connecting part of the limiting column.
Furthermore, an installation gap of 1-3mm is arranged between the upper surface of the horizontal part of the shock pad and the lower surface of the horizontal part of the limiting column.
Furthermore, a 1-3mm installation gap is arranged between the lower surface of the horizontal part of the shock pad and the inner bottom surface of the shell.
Further, the shock pad limiting part and the stator are fixedly connected through bolts or can be fixedly connected with the machine core through connecting pieces such as bolts.
Furthermore, the limiting column fixing part is fixedly connected with the inner bottom surface of the shell through welding or integral casting or through connecting pieces such as bolts and the like.
The utility model has the advantages that:
the utility model discloses a compressor core has still had the shock attenuation of traditional domestic compressor and when making an uproar structure of falling, has add shock pad and spacing post to through between shock pad and the spacing post, and with the installation clearance between the spring, limited the displacement volume of compressor core, avoid the transmission of compressor vibrations under the running state, reduced the noise of striking, increased substantially the ability of compressor core at removal in-process resistance striking.
Drawings
Fig. 1 is a conventional household compressor, which includes a core 1, (a stator 11 is arranged under the core 1), a shell 2 and a spring pin 51 welded on the inner bottom surface of the shell, a damping spring 2 mounted on the spring pin, the stator 11 is supported by the damping spring 2;
FIG. 2 is a schematic structural view of a compressor in an embodiment;
FIG. 3 is a schematic top plan view of an embodiment of a cushion;
FIG. 4 is a schematic cross-sectional view of the shock pad in the embodiment;
FIG. 5 is a schematic structural diagram of an embodiment of a position-limiting post.
In the figure: 1. a movement; 11. a stator; 2. a damping spring; 3. a shock pad; 31. a spring mounting hole; 32. a central bore; 33. a cushion limiting part; 34. a cushion connecting portion; 35. a cushion horizontal portion; 4. a limiting column; 41. a limiting column fixing part; 42. a limit post connecting part; 43. a horizontal part of the limit column; 5. a housing; 51. a spring pin; 6. and (4) bolts.
Detailed Description
It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of 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 therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
An anti-collision structure of a refrigeration compressor comprises a damping spring 2, a damping pad 3 and a limit column 4, wherein the damping pad 3 is of a three-dimensional sunken annular structure and comprises a damping pad limit part 33, a damping pad connecting part 34 and a damping pad horizontal part 35 which are integrally connected, four spring mounting holes 31 for mounting the spring are uniformly distributed on the damping pad limit part 33 in the circumferential direction, 4 threaded holes are symmetrically formed in the damping pad limit part 33 close to the outer annular surface, 4 threaded holes are correspondingly formed in a stator 11, and a bolt 6 penetrates through the threaded hole in the stator 11 and the threaded hole in the damping pad limit part 33 to fixedly connect the damping pad with the stator 11; the middle part of the horizontal part 35 of the shock pad is provided with a central hole 32;
the limiting column 4 is of a flange structure and comprises a limiting column fixing part 41, a limiting column connecting part 42 and a limiting column horizontal part 43 which are integrally connected, the limiting column penetrates through the central hole 32, the limiting column fixing part 41 is fixedly welded with the inner bottom surface of the shell 5, and the limiting column horizontal part 43 is positioned above the shock pad horizontal part 35;
the number of the damping springs 2 is four, but not limited to four, the four damping springs 2 are uniformly distributed below the stator 11, the lower parts of the damping springs 2 are mounted on spring pins 51 welded on the inner bottom surface of the shell 5, and the upper parts of the damping springs pass through the spring mounting holes 31 and then are abutted against the stator 11;
a mounting gap of 1-3mm is arranged between the damping spring 2 and the spring mounting hole 31 to prevent the transmission of the vibration of the movement and prevent the movement from being limited to rotate in the moving process.
A mounting gap of 1-3mm is arranged between the end face of the horizontal part 35 of the shock pad and the limiting column connecting part 42; namely, the cushion center hole 32 and the limit column are provided with a mounting gap in the radial direction, so that the movement of the movement in the radial (horizontal) direction can be limited in the moving process.
A mounting gap of 1-3mm is arranged between the upper surface of the horizontal part 35 of the shock pad and the lower surface of the horizontal part 43 of the limiting column; namely, the shock pad center hole 32 and the limit column are provided with an installation gap in the axial direction, so that the movement of the movement in the axial (vertical) direction in the moving process can be limited.
A mounting gap of 1-3mm is arranged between the lower surface of the horizontal part 35 of the shock pad and the inner bottom surface of the shell 5, namely the mounting gap is arranged between the shock pad and the bottom of the shell 5, so that the shock transmission of the movement in the vertical operation process is prevented.
The setting standard of the installation gap amount is the distance without collision among the machine core 1, the stator 11, the limiting column 4 and the shell 5 in the running process of the compressor, so that the vibration transmission in the running process of the machine core is avoided; this setting up of installation clearance volume has restricted the displacement volume of whole core 1 at the removal in-process, guarantees that core 1 can not collide casing 5 to avoid causing the striking noise, and effectively prevented core 1's inefficacy.
Further, the material of the shock pad 3 can be metal or nonmetal, preferably a flexible damping material; more preferred are elastomers having flexibility, such as thermosetting or heat-shrinkable elastomers, e.g., hydrogenated nitrile rubber, EPDM, fluororubber, chloroprene rubber, heat-shrinkable vulcanized rubber, thermoplastic polyester, and the like.
Further, the material of the limiting column 4 is welded on the inner bottom surface of the shell 5 by adopting rigid material of steel or cast iron.
Example 2
By adopting the structural design of the embodiment 1, the shock pad and the stator are connected by bolts, so that the shock pad is connected with the machine core, the mounting gap between the shock absorbing spring and the spring mounting hole is controlled to be 1mm, the mounting gap between the end surface of the horizontal part of the shock pad and the limiting column connecting part is controlled to be 2mm, the mounting gap between the upper surface of the horizontal part of the shock pad and the lower surface of the horizontal part of the limiting column is controlled to be 2mm, and the mounting gap between the lower surface of the horizontal part of the shock pad and the inner bottom surface of the shell is controlled to be 2 mm.
The compressor of above-mentioned structure carries out vibration test according to ISO16750-3-2012 automobile standard, and 8 hours each require X, Y, Z to the standard, and the compressor of traditional structure operates 6 hours, and the compressor inefficacy, adopts the compressor of this embodiment, and after operating 8 hours each according to the standard, the compressor is inefficacy not, and simultaneously, the compressor does not have obvious vibration and noise when the quiescent condition is operated, accords with the low noise and the requirement of vibration of household electrical appliances market, and the compressor of this embodiment has passed standard test promptly.
Example 3
When the structure and the installation gap amount of the embodiment 1 are adopted, the structural design of the embodiment 1 is adopted, the shock pad and the stator are connected through bolts, the shock pad is connected with the machine core, the installation gap between the shock absorption spring and the spring installation hole is controlled to be 0.5mm, the installation gap between the end surface of the horizontal part of the shock pad and the limiting column connecting part is 2mm, the installation gap between the upper surface of the horizontal part of the shock pad and the lower surface of the limiting column horizontal part is 2mm, and the installation gap between the lower surface of the horizontal part of the shock pad and the inner bottom surface of the shell is 2 mm. Through the vibration test, after the compressor of the embodiment is adopted and operated for 8 hours, the compressor does not fail, namely the compressor of the embodiment passes the standard test; however, when the compressor is in static operation, the vibration and noise of the compressor are high, mainly because the vibration transmission is caused by the contact interference between the damping pad and the spring, and the market requirement cannot be met.
Example 4
When the structure and the installation gap amount of the embodiment 1 are adopted, the structural design of the embodiment 1 is adopted, the shock pad and the stator are connected through bolts, the shock pad is connected with the machine core, the installation gap between the shock absorption spring and the spring installation hole is controlled to be 0.5mm, the installation gap between the end surface of the horizontal part of the shock pad and the limiting column connecting part is 2mm, the installation gap between the upper surface of the horizontal part of the shock pad and the lower surface of the limiting column horizontal part is 2mm, and the installation gap between the lower surface of the horizontal part of the shock pad and the inner bottom surface of the shell is 0.5 mm. Through the vibration test, after the compressor of the embodiment is operated for 8 hours, the compressor does not fail, namely the compressor of the embodiment passes the standard test; however, when the compressor is in static operation, the vibration and noise of the compressor are high, mainly because the vibration transmission is caused by the contact interference between the damping pad and the spring and between the damping pad and the inner bottom surface of the shell, and the market requirements cannot be met.
While one embodiment of the present invention has been described in detail, the description is only a preferred embodiment of the present invention, and should not be considered as limiting the scope of the present invention. All the equivalent changes and improvements made according to the application scope of the present invention should still fall within the patent coverage of the present invention.
Claims (9)
1. An anti-collision structure of a refrigeration compressor, comprising:
the limiting column is of a flange structure, and the lower part of the limiting column is fixedly connected with the inner bottom surface of the shell;
the damping pad is of a three-dimensional sunken annular structure, is positioned below the stator and is fixedly connected with the stator, a plurality of spring mounting holes are annularly formed in the upper part of the damping pad, a central hole for the limiting column to penetrate through is formed in the lower part of the damping pad, and mounting gaps are formed between the central hole and the limiting column in the radial direction and the axial direction; a mounting gap is formed between the shock pad and the inner bottom surface of the shell;
and the lower part of the damping spring is arranged on a spring pin on the inner bottom surface of the shell, the upper part of the damping spring is abutted against the stator after penetrating through the spring mounting hole, and a mounting gap is arranged between the damping spring and the spring mounting hole.
2. The anti-collision structure of the refrigeration compressor as claimed in claim 1, wherein the shock pad comprises a shock pad limiting part, a shock pad connecting part and a shock pad horizontal part which are integrally connected, the shock pad limiting part is fixedly connected with the stator, and a plurality of spring mounting holes for mounting springs are annularly arranged on the shock pad limiting part; the middle part of the horizontal part of the shock pad is provided with the central hole.
3. The anti-collision structure of a refrigeration compressor according to claim 2, wherein the limit post comprises a limit post fixing portion, a limit post connecting portion and a limit post horizontal portion which are integrally connected, the limit post fixing portion is fixedly connected with the inner bottom surface of the shell, and the limit post horizontal portion is located above the shock pad horizontal portion.
4. The crash-proof structure of a refrigerating compressor as claimed in claim 1, wherein a mounting gap of 1-3mm is provided between the damper spring and the spring mounting hole.
5. The anti-collision structure of the refrigeration compressor as claimed in claim 3, wherein a mounting gap of 1-3mm is provided between the end surface of the horizontal portion of the shock pad and the connecting portion of the limit post.
6. The anti-collision structure of a refrigeration compressor according to claim 3, wherein an installation gap of 1-3mm is provided between the upper surface of the horizontal portion of the shock pad and the lower surface of the horizontal portion of the limiting column.
7. A crash-proof structure of a refrigerating compressor as claimed in claim 3, wherein a mounting gap of 1-3mm is provided between the lower surface of the horizontal portion of the shock pad and the inner bottom surface of the shell.
8. The anti-collision structure of the refrigeration compressor as claimed in claim 2, wherein the shock pad limiting part is fixedly connected with the stator by a bolt.
9. The anti-collision structure of the refrigeration compressor as claimed in claim 3, wherein the fixing portion of the position-limiting post is fixed to the inner bottom surface of the shell by welding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922321041.1U CN211474367U (en) | 2019-12-20 | 2019-12-20 | Anti-collision structure of refrigeration compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922321041.1U CN211474367U (en) | 2019-12-20 | 2019-12-20 | Anti-collision structure of refrigeration compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211474367U true CN211474367U (en) | 2020-09-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922321041.1U Active CN211474367U (en) | 2019-12-20 | 2019-12-20 | Anti-collision structure of refrigeration compressor |
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| Country | Link |
|---|---|
| CN (1) | CN211474367U (en) |
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- 2019-12-20 CN CN201922321041.1U patent/CN211474367U/en active Active
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