CN214945954U - Planar rolling bearing with elastic washer and compressor - Google Patents
Planar rolling bearing with elastic washer and compressor Download PDFInfo
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- CN214945954U CN214945954U CN202121488641.8U CN202121488641U CN214945954U CN 214945954 U CN214945954 U CN 214945954U CN 202121488641 U CN202121488641 U CN 202121488641U CN 214945954 U CN214945954 U CN 214945954U
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Abstract
The utility model discloses a plane rolling bearing with an elastic washer, which belongs to the technical field of bearings, and can improve the stability of a compressor in the operation process and reduce the swing included angle formed by a crankshaft and an axial direction by using the plane rolling bearing with the elastic washer; and the elastic washer is provided with a bend for converting mechanical energy into elastic potential energy, or the elastic washer is in a round table shape.
Description
Technical Field
The utility model belongs to the technical field of the bearing, concretely relates to take planar rolling bearing and compressor of spring washer.
Background
The existing refrigerator compressor mainly comprises a shell component, a motor component, a valve bank, a moving component and the like, wherein the moving component is a crank connecting rod mechanism and mainly comprises a plane rolling bearing, a crank case, a crank shaft and the like. The stability of the running of the moving parts has great influence on the power consumption level, noise, vibration and reliability of the compressor. In order to obtain better operation stability, each compressor manufacturer often continuously improves the machining precision of each part and improves the form and position tolerance. Resulting in a reduction in the production efficiency of parts and an increase in cost.
The inventor finds that the existing plane rolling bearing of the refrigerator compressor mainly comprises an upper bearing gasket, a support frame, a ball and a lower bearing gasket and is lack of an elastic compensation structure.
The inventor considers that the defects of the prior art are as follows: 1) the existing plane rolling bearing for the refrigerator compressor ensures that a crankshaft has poor stability and is easy to swing at a certain included angle with the axial direction in the operation process of the compressor; 2) in the running process of the compressor, mechanical noise is easy to generate due to poor stability of the crankshaft; 3) in the running process of the compressor, the vibration of the compressor is increased due to poor stability of a crankshaft, and the vibration of the compressor is increased to possibly cause resonance of parts of the refrigerator, thereby bringing abnormal noise of the refrigerator; 4) in the operation process of the compressor, due to poor stability of the crankshaft, the eccentric part of the crankshaft and the connecting rod, and the main shaft part of the crankshaft and the crankcase are easy to wear, so that the product performance is further reduced, and the product reliability is reduced; 5) the existing plane rolling bearing for the refrigerator compressor is lack of axial elastic compensation, and the requirement on the processing precision of parts is improved; 6) the requirement of part machining precision is improved, so that the production efficiency is reduced, and the cost is increased.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a take planar rolling bearing and compressor of elastic washer, use the planar rolling bearing who takes elastic washer, can promote the stability of compressor operation in-process, reduce the swing contained angle that bent axle and axial formed.
In order to achieve the above purpose, the present invention is realized by the following technical solution:
in a first aspect, the technical scheme of the utility model provides a planar rolling bearing with an elastic washer, which comprises an upper bearing washer, a support frame, a ball, a lower bearing washer and an elastic washer, wherein the upper bearing washer, the support frame, the ball and the lower bearing washer are coaxially arranged in sequence; and the elastic washer is provided with a bend for converting mechanical energy into elastic potential energy, or the elastic washer is in a round table shape.
Further, the elastic washer comprises a plurality of crest portions, and trough portions are arranged among the crest portions.
Furthermore, a curved surface is formed between the wave crest part and the wave trough part of the elastic gasket.
Further, the inner diameter of the elastic washer is the same as the inner diameter of the lower bearing washer.
Further, the resilient gasket has a first end face and a second end face, the first end face of the resilient gasket being parallel to the second end face of the resilient gasket.
Furthermore, the first end face of the support frame is connected with the upper bearing gasket, the second end face of the support frame is connected with the lower bearing gasket, and balls are embedded in the support frame; a portion of the elastomeric washer is tangentially attached to the lower bearing washer.
Furthermore, an included angle between the extension direction of the section of the elastic gasket from the inner edge to the outer edge and the central axis of the elastic gasket is an acute angle.
Furthermore, an included angle between the extension direction of the section of the elastic gasket from the inner edge to the outer edge and the central axis of the elastic gasket is an acute angle, a first notch is formed in the direction from the inner edge to the outer edge of the elastic gasket, and a second notch is also formed in the direction from the outer edge to the inner edge of the elastic gasket.
Further, the first cuts and the second cuts are staggered.
In a second aspect, the present invention further provides a compressor, including the planar rolling bearing with the elastic washer according to the first aspect; the crankcase of the compressor is provided with an annular groove, and the elastic gasket plane rolling bearing is arranged in the annular groove of the crankcase.
Above-mentioned the utility model discloses a technical scheme's beneficial effect as follows:
1) the utility model provides an elastic washer's effect is to turn into potential energy with mechanical energy, and at this in-process, elastic washer's bending receives the effect of external force and takes place deformation to the elastic washer's that turns into the mechanical energy of external force potential energy, thereby it causes the problem of bent axle vibration to overcome external force direct action and transmit for the bent axle on elastic washer easily.
2) After the bearing in the utility model is used, in the running process of the compressor, the vibration generated by the running of a part of the compressor is offset by the elastic washer 4 in the bearing, the stability of the crankshaft is enhanced, and the swinging with a certain included angle with the axial direction is not easy to generate; mechanical noise is not easy to generate in the running process of the compressor; the vibration of the compressor is reduced, the resonance of parts of the refrigerator is reduced, and the abnormal noise of the refrigerator is reduced; in the operation process of the compressor, because the stability of the crankshaft is enhanced, the eccentric part and the connecting rod of the crankshaft, the main shaft part of the crankshaft and the crankcase are not easy to abrade, and the performance and the reliability of the product can be improved; due to the axial elastic compensation, the requirement on the part machining precision can be correspondingly reduced, so that the production efficiency can be improved, and the cost can be reduced.
Drawings
The accompanying drawings, which form a part of the specification, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without unduly limiting the scope of the invention.
Fig. 1 is a top view of an elastomeric gasket having bends in accordance with one or more embodiments of the present invention;
fig. 2 is a side view of an elastomeric washer having a bend in accordance with one or more embodiments of the present invention;
fig. 3 is an elevation view of an elastomeric washer having a bend in accordance with one or more embodiments of the present invention;
fig. 4 is a top view of a frustoconical resilient gasket in accordance with one or more embodiments of the present invention;
fig. 5 is a side view of a frustoconical resilient gasket in accordance with one or more embodiments of the present invention;
fig. 6 is an elevation view of a resilient washer in the form of a truncated cone in accordance with one or more embodiments of the present invention;
fig. 7 is a top view of a truncated cone-shaped elastomeric washer having a cutout in accordance with one or more embodiments of the present invention;
fig. 8 is a side view of a truncated cone-shaped elastomeric washer having a cutout in accordance with one or more embodiments of the present invention;
fig. 9 is an elevation view of a truncated cone-shaped elastomeric washer having a cutout in accordance with one or more embodiments of the present disclosure;
fig. 10 is a partial schematic view of a compressor according to one or more embodiments of the present invention.
In the figure: 1. upper bearing washer, 2, support frame, 3, lower bearing washer, 4, elastic washer, 41, second incision, 42, first incision.
The spacing or dimensions between each other are exaggerated to show the location of the various parts, and the illustration is for illustrative purposes only.
Detailed Description
It should be noted that any combination between the following embodiments is possible.
Example 1
In a typical embodiment of the present invention, the embodiment discloses a planar rolling bearing with an elastic washer 4, which comprises an upper bearing washer 1, a support frame 2, a ball, a lower bearing washer 3 and an elastic washer 4 attached to the lower bearing washer 3, wherein the upper bearing washer 1, the support frame 2, the ball and the lower bearing washer 3 are coaxially arranged in sequence, the elastic washer 4 is in an annular sheet shape, and the elastic washer 4 is coaxial with the lower bearing washer 3; and the elastic washer 4 has a bend for converting mechanical energy into elastic potential energy.
It can be understood that, in the present embodiment, the first end surface of the support frame 2 is connected to the upper bearing washer 1, the second end surface of the support frame 2 is connected to the lower bearing washer 3, and the support frame 2 is embedded with the balls; a portion of the elastic washer 4 is engaged tangentially with the lower bearing washer 3 to form a rolling bearing which can perform a conventional bearing connection function, and the present embodiment is not limited to a specific type of the bearing.
The elastic washer 4 in this embodiment is used for converting mechanical energy into elastic potential energy, and in this process, the bending of the elastic washer 4 is deformed under the action of external force, so that the mechanical energy of the external force is converted into the elastic potential energy of the elastic washer 4, and the problem that the external force directly acts on the elastic washer 4 and is easily transmitted to a crankshaft to cause crankshaft vibration is solved.
It can be understood that, after the bearing in the embodiment is used, in the operation process of the compressor, a part of vibration generated by the operation of the compressor is offset by the elastic gasket 4 in the bearing, the stability of the crankshaft is enhanced, and the swinging with a certain included angle with the axial direction is not easy to generate; mechanical noise is not easy to generate in the running process of the compressor; the vibration of the compressor is reduced, the resonance of parts of the refrigerator is reduced, and the abnormal noise of the refrigerator is reduced; in the operation process of the compressor, because the stability of the crankshaft is enhanced, the eccentric part and the connecting rod of the crankshaft, the main shaft part of the crankshaft and the crankcase are not easy to abrade, and the performance and the reliability of the product can be improved; due to the axial elastic compensation, the requirement on the part machining precision can be correspondingly reduced, so that the production efficiency can be improved, and the cost can be reduced.
The elastic washer 4 in this embodiment includes a plurality of crest portions, and between the crest portions, there are trough portions. In general, the elastic washer 4 in this embodiment has a wave shape.
It can be understood that the wave-shaped elastic washer 4 is curved from the crest part to the trough part; and the crest and the trough of the wave in the embodiment are both smooth curved surfaces.
In another embodiment, the peak portion to the valley portion may be a flat surface; and the wave crest part and the wave trough part are both bent with angles.
It can be understood that no matter what bending mode, mechanical energy can be converted into elastic potential energy.
The inner diameter of the elastic washer 4 is the same as the inner diameter of the lower bearing washer 3.
The elastic washer 4 has a first end face and a second end face, the first end face of the elastic washer 4 being parallel to the second end face of the elastic washer 4. Namely: the thickness of the elastic washer 4 is uniform.
Example 2
The utility model discloses a among the typical implementation, this embodiment discloses a take flat rolling bearing of elastic washer 4, and this embodiment lies in with embodiment 1's difference, and elastic washer 4 is the round platform form and is used for turning into elastic potential energy with mechanical energy.
Specifically, the included angle between the extension direction of the section from the inner edge to the outer edge of the elastic washer 4 and the central axis of the elastic washer 4 is an acute angle, which is similar to the shape of the side surface of a hollow circular truncated cone.
It will be understood that the elastic gasket 4, in the case of a uniform thickness, has the capacity of converting mechanical energy into elastic potential energy when it is in the shape of a truncated cone-shaped side.
Example 3
The utility model discloses a among the typical implementation, this embodiment discloses a take flat rolling bearing of elastic washer 4, and this embodiment lies in with embodiment 1's difference, and elastic washer 4 is the round platform form and is used for turning into elastic potential energy with mechanical energy.
Specifically, an included angle between the extension direction of the section from the inner edge to the outer edge of the elastic washer 4 and the central axis of the elastic washer 4 is an acute angle, which is similar to the shape of the side surface of a hollow round table body; the elastic washer 4 is provided with a first notch 42 from the inner edge to the outer edge, and a second notch 41 from the outer edge to the inner edge.
More specifically, the first notches 42 and the second notches 41 are staggered.
More specifically, if there are n annular arrays of first incisions 42, there are n annular arrays of second incisions 41.
More specifically, the depth of the first notch 42 is equal to that of the second notch 41, and is smaller than the difference between the outer diameter and the inner diameter of the elastic washer 4.
Example 4
In a typical embodiment of the present invention, the present embodiment discloses a compressor, including the planar rolling bearing with the elastic washer 4 as described in any one of embodiments 1 to 3; the crankcase of the compressor is provided with an annular groove, and the elastic gasket 4 is installed in the annular groove of the crankcase through a plane rolling bearing.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A plane rolling bearing with an elastic washer comprises an upper bearing washer, a support frame, a ball and a lower bearing washer which are coaxially arranged in sequence, and is characterized by also comprising an elastic washer which is attached to the lower bearing washer, wherein the elastic washer is in an annular sheet shape and is coaxial with the lower bearing washer; and the elastic washer is provided with a bend for converting mechanical energy into elastic potential energy, or the elastic washer is in a round table shape.
2. A flat rolling bearing with elastic washer according to claim 1 characterized in that said elastic washer comprises a plurality of crest portions with valley portions therebetween.
3. A flat rolling bearing with elastic washer according to claim 2 characterized in that the crest to the trough of the elastic washer are curved.
4. A flat rolling bearing with an elastic washer according to claim 1, characterized in that the inner diameter of the elastic washer is the same as the inner diameter of the lower bearing washer.
5. A flat rolling bearing with elastic washer according to claim 1, characterized in that said elastic washer has a first end face and a second end face, said first end face of said elastic washer being parallel to said second end face of said elastic washer.
6. The plain rolling bearing with elastic washer according to claim 1, wherein a first end face of said support frame is connected to said upper bearing washer, a second end face of said support frame is connected to said lower bearing washer, and balls are fitted in said support frame; a portion of the elastomeric washer is tangentially attached to the lower bearing washer.
7. A flat rolling bearing with elastic washer according to claim 1 characterized in that the angle between the tangent plane extending from the inner edge to the outer edge of said elastic washer and the central axis of said elastic washer is acute.
8. A flat rolling bearing with elastic washer according to claim 1 characterized in that the angle between the direction of extension of the tangent plane of the elastic washer from the inner edge to the outer edge and the central axis of the elastic washer is acute and the elastic washer has a first cut in the direction from the inner edge to the outer edge and a second cut in the direction from the outer edge to the inner edge.
9. A flat rolling bearing with elastic washer according to claim 8 characterized in that said first cuts and said second cuts are staggered.
10. A compressor, characterized by comprising the flat rolling bearing with elastic washer according to any one of claims 1 to 9; the crankcase of the compressor is provided with an annular groove, and the elastic gasket plane rolling bearing is arranged in the annular groove of the crankcase.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121488641.8U CN214945954U (en) | 2021-06-30 | 2021-06-30 | Planar rolling bearing with elastic washer and compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121488641.8U CN214945954U (en) | 2021-06-30 | 2021-06-30 | Planar rolling bearing with elastic washer and compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214945954U true CN214945954U (en) | 2021-11-30 |
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ID=79076072
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121488641.8U Active CN214945954U (en) | 2021-06-30 | 2021-06-30 | Planar rolling bearing with elastic washer and compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214945954U (en) |
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2021
- 2021-06-30 CN CN202121488641.8U patent/CN214945954U/en active Active
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