CN212985825U - Oil-retaining bearing for kitchen garbage disposer - Google Patents
Oil-retaining bearing for kitchen garbage disposer Download PDFInfo
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- CN212985825U CN212985825U CN202021850274.7U CN202021850274U CN212985825U CN 212985825 U CN212985825 U CN 212985825U CN 202021850274 U CN202021850274 U CN 202021850274U CN 212985825 U CN212985825 U CN 212985825U
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- oil
- bearing body
- bearing
- retaining
- hole
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- 239000010813 municipal solid waste Substances 0.000 title claims abstract description 37
- 238000003860 storage Methods 0.000 claims abstract description 18
- 239000010806 kitchen waste Substances 0.000 claims description 10
- 238000002360 preparation method Methods 0.000 claims description 6
- 238000005520 cutting process Methods 0.000 claims description 4
- 239000007769 metal material Substances 0.000 claims description 3
- 239000003921 oil Substances 0.000 abstract description 53
- 239000010687 lubricating oil Substances 0.000 abstract description 25
- 239000000463 material Substances 0.000 abstract description 9
- 230000001050 lubricating effect Effects 0.000 abstract description 8
- 229910000906 Bronze Inorganic materials 0.000 abstract description 3
- 239000010974 bronze Substances 0.000 abstract description 3
- KUNSUQLRTQLHQQ-UHFFFAOYSA-N copper tin Chemical compound [Cu].[Sn] KUNSUQLRTQLHQQ-UHFFFAOYSA-N 0.000 abstract description 3
- 238000002791 soaking Methods 0.000 abstract description 3
- 238000009966 trimming Methods 0.000 abstract 1
- 238000005299 abrasion Methods 0.000 description 8
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 6
- 229910052802 copper Inorganic materials 0.000 description 6
- 239000010949 copper Substances 0.000 description 6
- 230000000694 effects Effects 0.000 description 6
- 238000009434 installation Methods 0.000 description 4
- 230000002035 prolonged effect Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000010794 food waste Substances 0.000 description 1
- 235000012055 fruits and vegetables Nutrition 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- Sliding-Contact Bearings (AREA)
- Crushing And Pulverization Processes (AREA)
Abstract
The utility model discloses an oil-retaining bearing used on a kitchen garbage disposer, which comprises a central through hole rotationally matched with a rotor shaft of a motor, wherein the top of an oil-retaining bearing body with a circular cross section is provided with an axial convex ring which forms an oil storage cavity together with the top surface of the oil-retaining bearing body and the rotor shaft; the top surface of the oil-retaining bearing body at the joint of the oil-retaining bearing body and the axial convex ring is provided with a bevel ring groove which inclines from the middle to the edge; the center of the oil-containing bearing body at the joint of the oil-containing bearing body and the hole wall of the central through hole is provided with a bell mouth ring surface which is inclined from the top surface to the hole wall; the oil-retaining bearing body is obtained by soaking a bearing made of bronze material in lubricating oil at 120 ℃ for 8 hours; the main body of the oil-retaining bearing is in a step shape with a big top and a small bottom, the big diameter is a cylinder with a central hole on a bottom plate, the small diameter is a cylinder with a central hole, and the main body of the oil-retaining bearing is provided with a radial key and an axial trimming. The oil-containing bearing can meet the lubricating requirement by utilizing the oil content of the oil-containing bearing when the garbage disposer is started and stopped in normal use.
Description
Technical Field
The utility model relates to a kitchen garbage treatment equipment technical field specifically says to an oiliness bearing for on kitchen garbage disposer.
Background
Along with the enhancement of environmental awareness and the increase of health concept of people, the kitchen waste disposer is more and more widely applied.
The kitchen garbage disposer is a small-sized electric appliance installed at a water discharge port of a washing tank, is generally of a vertical structure, the top of the kitchen garbage disposer is provided with a garbage disposal chamber provided with a cutter head assembly, the lower part of the kitchen garbage disposer is provided with a motor, and a rotor shaft of the motor extends into the garbage disposal chamber and is fixed with a central hole of the cutter head.
Waterproof construction is a concern, but the most difficult problem to solve with this type of garbage disposers is lubrication between the rotor shaft of the motor and the bearings. Auxiliary lubricating structures such as oiled felts, oiled pads, oiled rings, etc. are known in the prior art. But the key point of the lubricating effect is the structure of the oil bearing. However, the structure of the oil-containing bearing in the prior art still has the following defects: 1. the self oil content of the oil-containing bearing can not be utilized to meet the lubricating requirement between the start and stop of the normal use of the garbage disposer, the good self-lubricating state can not be achieved, the abrasion between the rotor shaft of the motor and the oil-containing bearing is increased, and the service life of the garbage disposer is shortened. 2. When the oil-containing bearing in the prior art is assembled with a base of a drainage chamber which is also used as a bearing seat, if the oil-containing bearing is loose, the phenomenon of axial float and/or circumferential rotation is easy to occur in the use process, and the abrasion between a rotor shaft of a motor and an oil-containing rotating shaft is increased; if the oil-retaining bearing is in interference fit with the central hole wall of the base of the drainage chamber which also serves as the bearing seat, the oil-retaining bearing has larger contact area and larger friction resistance in the installation process, so that the installation is relatively laborious and difficult.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide an oiliness bearing that is used for on the kitchen garbage disposer that can utilize the oiliness of self to satisfy lubricated needs when normal use.
The technical solution of the utility model is that, a oiliness bearing for on kitchen garbage disposer is provided, be circular shape oiliness bearing body including the cross section, the oiliness bearing body adopts the metal material preparation, have on the oiliness bearing body with the rotor shaft normal running fit's of motor central through-hole, the top of oiliness bearing body have one with the top surface of oiliness bearing body and the axial bulge loop that the rotor shaft constitutes the oil storage chamber.
After the structure above the adoption, the utility model relates to an oiliness bearing for on kitchen garbage disposer has following advantage: because the top surfaces of the axial convex ring and the oil-containing bearing and the rotor shaft form an oil storage cavity, when the motor works, the rotor drives the rotor shaft to rotate, the oil-containing bearing generates heat due to the rotating friction with the rotor shaft, when the oil-containing bearing generates heat, lubricating oil immersed in the oil-containing bearing can be separated out, and when the lubricating oil is separated out, the lubricating oil of the axial convex ring can flow into the oil storage cavity formed by the top surfaces of the axial convex ring and the oil-containing bearing and the rotor shaft from top to bottom for storage; when the motor stops working, the oil-containing bearing can generate siphon effect or suck-back effect after being cooled, and the lubricating oil in the oil storage cavity can be sucked back by the oil-containing bearing. Therefore, the lubricating requirement can be met by utilizing the oil-containing bearing body, namely the oil-containing bearing, during the start-stop of the normal use of the garbage disposer, so that good lubricating oil circulation is realized, a good self-lubricating state is achieved, the abrasion between the rotor shaft of the motor and the oil-containing bearing is greatly reduced, and the service life of the garbage disposer is prolonged.
Further, the top surface of the oil-retaining bearing body at the joint with the axial convex ring is provided with a bevel ring groove which is inclined from the middle to the edge. After the structure is adopted, when the oil-retaining bearing generates heat and the lubricating oil flows downwards, the formed annular groove enables the lubricating oil in the oil storage cavity to be more concentrated, and the effect of sucking the lubricating oil in the inclined plane annular groove back into the axial convex ring after the oil-retaining bearing is cooled is better.
Furthermore, the center of the oil-containing bearing body at the joint of the oil-containing bearing body and the hole wall of the central through hole is provided with a bell mouth ring surface inclined from the top surface to the hole wall. After the structure is adopted, when the oil-retaining bearing generates heat to separate out lubricating oil, part of the lubricating oil flows into the rotor shaft and the central hole wall of the oil-retaining bearing body along the bell-mouth ring surface, so that the lubricating effect of the rotor shaft and the oil-retaining bearing body is better.
Further, the oil-retaining bearing body is obtained by soaking a bearing body made of a copper material in lubricating oil at 100-140 ℃ for 6-10 hours. After the structure is adopted, the copper material is used as the oil-containing bearing body, the siphon lubricating oil or the siphon lubricating oil which absorbs the lubricating oil and separates out the lubricating oil has better effect, and the abrasion between the rotor shaft of the motor and the oil-containing bearing is further reduced; and the service life of the oil-retaining bearing body can be prolonged due to the wear-resistant and heat-resistant properties of the copper.
Furthermore, the oil-retaining bearing body is in a step shape with a large upper part and a small lower part, the large diameter is a cylinder with a central hole on a bottom plate, and the small diameter is a cylinder with a central hole. After the structure is adopted, the phenomenon that the oil-retaining bearing body moves downwards in the axial direction is avoided, the abrasion between the rotor shaft of the motor and the oil-retaining bearing body is reduced, and the installation is convenient.
Furthermore, a radial key which is circumferentially limited with a base of a drainage chamber which is also used as a bearing seat on the kitchen garbage disposer is arranged on the outer wall of the cylinder with the central hole. After the structure is adopted, the phenomenon of circumferential rotation of the oil-retaining bearing is avoided, abrasion between a rotor shaft of the motor and the oil-retaining bearing body is further reduced, and the motor is further convenient to install.
Furthermore, an axial cutting edge is arranged on the outer wall of the cylinder with the central hole at the other side of the radial key. After the structure is adopted, interference fit can still be adopted between the oil-retaining bearing body and the central hole wall of the base of the drainage chamber which is also used as a bearing seat, but because a small part of arc-shaped edges are cut off, the contact area between the oil-retaining bearing body and the central hole wall of the base of the drainage chamber is reduced, namely, the frictional resistance during installation is reduced, and the installation of the oil-retaining bearing body is relatively labor-saving and convenient.
Furthermore, the bottom plate of the cylinder with the bottom plate provided with the central hole is provided with a plurality of oil storage blind holes with upward openings. After the structure is adopted, when the motor works or stops working in an alternate process, the top of the oil-containing bearing body or the top plate, namely the bottom plate of the large-diameter cylinder, has better effect of separating out lubricating oil or sucking back lubricating oil. The lubricating requirement can be further met by utilizing the oil content of the oil-containing bearing when the garbage disposer is started and stopped in normal use, good lubricating oil circulation is further realized, a good self-lubricating state is achieved, abrasion between a rotor shaft of the motor and the oil-containing bearing is further reduced, and the service life of the garbage disposer is further prolonged.
Furthermore, the oil storage blind hole extends into the wall of the cylinder with the central hole and the radial key. After the structure is adopted, when the motor works or stops working in an alternate process, the effects of separating out lubricating oil or sucking back the lubricating oil from the small-diameter cylinder and the radial key of the oil-retaining bearing are better. The lubricating requirement can be further met by utilizing the oil content of the oil-containing bearing when the garbage disposer is started and stopped in normal use, good lubricating oil circulation is further realized, a good self-lubricating state is achieved, abrasion between a rotor shaft of the motor and the oil-containing bearing is further reduced, and the service life of the garbage disposer is further prolonged.
Drawings
Fig. 1 is a schematic structural view of the oil-retaining bearing of the present invention when mounted on a kitchen garbage disposer.
Fig. 2 is a schematic perspective view of an embodiment of the oil retaining bearing of the present invention.
Fig. 3 is a schematic view of a vertical sectional structure of an embodiment of the oil retaining bearing of the present invention.
Fig. 4 is a schematic perspective view of an embodiment of the oil retaining bearing of the present invention.
Fig. 5 is a schematic three-dimensional structure diagram of an embodiment of the oil-retaining bearing of the present invention.
Fig. 6 is a schematic perspective view of another embodiment of the oil retaining bearing of the present invention.
Fig. 7 is a schematic vertical sectional structure of another embodiment of the oil retaining bearing of the present invention.
The oil-retaining bearing comprises a base 1 of a drainage chamber, an oil-retaining shaft pad 2, an oil-retaining shaft pad 3, an oil storage cavity 4, an oil-retaining bearing body 5, a central through hole 6, a rotor shaft 7, a motor 8, a bell mouth ring surface 9, an inclined plane ring groove 10, a top surface 11, an axial convex ring 12, an axial cutting edge 13, a radial key 14, a cylinder with a central hole in a bottom plate 15, a cylinder with a central hole and an oil storage blind hole 16.
Detailed Description
The following describes the present invention with reference to the accompanying drawings. It should be noted that the description of the embodiments is provided to help understanding the present invention, but the present invention is not limited thereto. Furthermore, the technical features mentioned in the embodiments of the present invention described below can be combined with each other as long as they do not conflict with each other.
As shown in fig. 1, 2, 3, 4, and 5:
the kitchen waste disposer is also called a food waste disposer, or a fruit and vegetable waste disposer, or a kitchen waste disposer, and the like. The kitchen garbage disposer is a small-sized electric appliance installed at a water discharge port of a washing tank, and is generally of a vertical structure, the top of the kitchen garbage disposer is provided with a garbage disposal chamber provided with a cutter head assembly, the lower part of the kitchen garbage disposer is provided with a motor 7, and a rotor shaft of the motor 7 extends into the garbage disposal chamber and is fixed with a central hole of the cutter head. On the top side of the oil-impregnated bearing, an oil-impregnated pad 2 can be placed, the oil-impregnated pad 2 also being referred to as oil-impregnated pad or oil-impregnated felt pad. The above is the same as the prior art.
The utility model is used for the oiliness bearing on the kitchen garbage disposer, be circular shape oiliness bearing body 4 including the cross section, the oiliness bearing body adopts the metal material preparation, if adopt steel, aluminium material preparation, the preferred copper product material preparation that adopts, the best adopts bronze material preparation. The oil-retaining bearing body 4 is provided with a central through hole 5 which is in running fit with a rotor shaft 6 of a motor 7 of the kitchen garbage disposer.
The top of the oil-retaining bearing body 4 with a circular cross section is provided with an axial convex ring 11 which forms an oil storage chamber 3 together with the top surface 10 of the oil-retaining bearing body and the rotor shaft 6. In other words, the top of the oil-retaining body 4 has an upwardly projecting axial collar 11, the axial collar 11 together with the top surface 10 of the oil-retaining bearing body and the rotor shaft 6 forming the oil reservoir chamber 3.
The top surface 10 of the oil-retaining bearing body 4 at the junction with the axial collar 11 has a beveled annular groove 9 sloping from the middle to the edge. In other words, the joint between the top surface 10 of the oil-impregnated bearing body 4 and the axial protruding ring 11 has a bevel ring groove 9 inclined from the middle to the edge.
The center of the oil-retaining bearing body 4 at the joint with the hole wall of the central through hole 5 is provided with a bell-mouth ring surface 8 which is inclined from the top surface 10 to the hole wall. In other words, the center of the oil-impregnated bearing body 4 has a toroidal surface 8 which is flared from the top surface 10 to the wall of the central through hole 5.
The oil-impregnated bearing body 4 is preferably a bearing body obtained by immersing a bearing body made of a copper material in a lubricating oil at 100 to 140 ℃ for 6 to 10 hours. In other words, the oil-retaining bearing body 4 is made of copper material, such as bronze material, and the oil-retaining bearing body 4 is soaked in 100-140 ℃ lubricating oil for 6-10 hours before being installed on the rotor shaft of the motor. Preferably soaking in 120 deg.C lubricating oil for 8 hr
The oil-retaining bearing body 4 is preferably in a step shape with a large upper part and a small lower part, the large diameter is a cylinder 14 with a central hole on a bottom plate, and the large diameter can be called as a large-diameter cylinder with a bottom for short; the minor diameter is a cylinder 15 with a central bore, which may be referred to as a minor diameter cylinder for short.
The outer wall of the cylinder 15 with a central hole, namely a small-diameter cylinder, is provided with a radial key 13 which is circumferentially limited with the base 1 of the drainage chamber which is also used as a bearing seat on the kitchen garbage disposer. The radial inner surface of the radial key 13 is integrated with a cylinder 15 with a central hole, and the radial outer surface of the radial key 13 is an arc-shaped surface.
The cylinder 15 with a central hole, namely the outer wall of the small-diameter cylinder, on the other side of the radial key 13 is provided with an axial cutting edge 12. Although the edge is a radially recessed flat surface, it is essentially an axial cut and extends axially through the entire height of the central bore cylinder 15, i.e., the smaller diameter cylinder.
The above is a specific embodiment of the oil-retaining bearing for kitchen garbage disposers of the present invention.
Fig. 6 and 7 show another embodiment of the oil-retaining bearing used in the kitchen garbage disposer according to the present invention.
The differences are as follows: the bottom plate of the cylinder 14 with the central hole on the bottom plate, namely the large-diameter cylinder with the bottom plate, is preferably provided with a plurality of blind oil storage holes 16 with upward openings. The blind oil-storage hole 16 further preferably extends into the wall of the cylinder 15 with a central hole, namely the small-diameter cylinder, and the radial key 13. Here, the bottom plate and the top plate are not contradictory, because it is the top plate with respect to the entirety of the oil-impregnated bearing body 4; but is the base plate relative to the large diameter portion, i.e., the cylinder 14 having a central opening to the base plate, i.e., the large diameter bottomed cylinder. The diameter of the oil storage blind hole can be smaller than 2 mm.
The remaining structure of this embodiment is the same as that of the one described above.
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 (8)
1. The utility model provides an oiliness bearing for on kitchen garbage disposer, is circular shape oiliness bearing body (4) including the cross section, and oiliness bearing body (4) adopt the metal material preparation, have on oiliness bearing body (4) with rotor shaft (6) normal running fit's of motor (7) central through hole (5), its characterized in that: the top of the oil-retaining bearing body (4) is provided with an axial convex ring (11) which forms an oil storage cavity (3) together with the top surface (10) of the oil-retaining bearing body and the rotor shaft (6).
2. The oil impregnated bearing for a kitchen waste disposer of claim 1, wherein: the top surface (10) of the oil-retaining bearing body (4) at the joint with the axial convex ring (11) is provided with a bevel ring groove (9) which inclines from the middle to the edge.
3. The oil impregnated bearing for a kitchen waste disposer of claim 1, wherein: the center of the oil-retaining bearing body (4) at the joint of the oil-retaining bearing body and the hole wall of the central through hole (5) is provided with a bell mouth ring surface (8) which inclines from the top surface (10) to the hole wall.
4. The oil impregnated bearing for a kitchen waste disposer of claim 1, wherein: the oil-retaining bearing body (4) is in a step shape with a large upper part and a small lower part, the large diameter is a cylinder (14) with a central hole on a bottom plate, and the small diameter is a cylinder (15) with a central hole.
5. The oil impregnated bearing for use on a kitchen waste disposer of claim 4, wherein: the outer wall of the cylinder (15) with the central hole is provided with a radial key (13) which is circumferentially limited with a base (1) of a drainage chamber which is also used as a bearing seat on the kitchen garbage disposer.
6. The oil impregnated bearing for use on a kitchen waste disposer of claim 5, wherein: an axial cutting edge (12) is arranged on the outer wall of a cylinder (15) with a central hole at the other side of the radial key (13).
7. An oil impregnated bearing for a kitchen waste disposer as claimed in any of claims 4-6, wherein: the bottom plate of the cylinder (14) with the bottom plate provided with the central hole is provided with a plurality of oil storage blind holes (16) with upward openings.
8. The oil impregnated bearing for use on a kitchen waste disposer of claim 7, wherein: the oil storage blind hole (16) extends into the wall of the cylinder (15) with the central hole and the radial key (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021850274.7U CN212985825U (en) | 2020-08-28 | 2020-08-28 | Oil-retaining bearing for kitchen garbage disposer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021850274.7U CN212985825U (en) | 2020-08-28 | 2020-08-28 | Oil-retaining bearing for kitchen garbage disposer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212985825U true CN212985825U (en) | 2021-04-16 |
Family
ID=75436657
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021850274.7U Active CN212985825U (en) | 2020-08-28 | 2020-08-28 | Oil-retaining bearing for kitchen garbage disposer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212985825U (en) |
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2020
- 2020-08-28 CN CN202021850274.7U patent/CN212985825U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Oil bearing for kitchen waste disposer Effective date of registration: 20231130 Granted publication date: 20210416 Pledgee: Zhejiang Tailong Commercial Bank Co.,Ltd. Ningbo Yinzhou Branch Pledgor: Ningbo Zhongshan small electrical appliance technology Co.,Ltd. Registration number: Y2023980068449 |