CN218760914U - Bearing of scroll vacuum pump - Google Patents
Bearing of scroll vacuum pump Download PDFInfo
- Publication number
- CN218760914U CN218760914U CN202222791441.0U CN202222791441U CN218760914U CN 218760914 U CN218760914 U CN 218760914U CN 202222791441 U CN202222791441 U CN 202222791441U CN 218760914 U CN218760914 U CN 218760914U
- Authority
- CN
- China
- Prior art keywords
- inner circle
- flange
- vacuum pump
- bearing
- outer lane
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000007789 sealing Methods 0.000 claims abstract description 37
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 18
- 239000010959 steel Substances 0.000 claims abstract description 18
- 239000004519 grease Substances 0.000 abstract description 9
- 230000001050 lubricating effect Effects 0.000 abstract description 5
- 239000012535 impurity Substances 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000009434 installation Methods 0.000 description 5
- 238000012423 maintenance Methods 0.000 description 4
- 230000000903 blocking effect Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 239000004677 Nylon Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
Images
Landscapes
- Rolling Contact Bearings (AREA)
Abstract
The utility model relates to a vortex vacuum pump bearing technical field especially relates to a vortex vacuum pump bearing, including the outer lane, the inner circle is installed to the inboard of outer lane, and the left end top of inner circle installs the sealing washer, settle between outer lane, the inner circle has the steel ball, and the side of steel ball settles and have the holder, the flange is installed to the left end of outer lane, and the end wall of flange wears to be equipped with the flange hole. The utility model discloses an inner circle keeps off shoulder department and is equipped with two seal grooves, the sealing washer adopts two lips sealed, first seal lip and the contact of first ring seal groove, second seal lip and the contact of first ring seal groove, it is sealed to form the contact, prevent that external impurity from getting into and the grease from leaking, inner circle channel department is equipped with the fore shaft, the bearing can not scatter after the assembly, the inner circle hole is equipped with the step, guarantee to cooperate under the prerequisite of effective face, reduce grinding length, reduce the manufacturing degree of difficulty, the inside lubricating grease that fills of bearing, high durability and convenient use, and is maintenance-free.
Description
Technical Field
The utility model relates to a vortex vacuum pump bearing technical field especially relates to a vortex vacuum pump bearing.
Background
The scroll vacuum pump has the characteristics of simple and compact structure, stable operation, low power consumption, easy maintenance and the like, is widely applied to industries such as semiconductors, scientific instruments, medical equipment and the like, and the bearing is used as a key part of the scroll vacuum pump and directly influences the performance of the whole machine. .
The prior scroll pump movable scroll bearing mostly adopts a combination form of paired angular contact, has poor integration, complex installation and difficult control of precision.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a vortex vacuum pump bearing.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a scroll vacuum pump bearing, includes the outer lane, the inner circle is installed to the inboard of outer lane, and the left end top of inner circle installs the sealing washer, settle between outer lane, the inner circle has the steel ball, and the side of steel ball settles and have the holder, the flange is installed to the left end of outer lane, and the end wall of flange wears to be equipped with the flange hole, the end wall that the inner circle is close to the sealing washer is provided with first lasso seal groove and second lasso seal groove, and the distolateral arrangement of first lasso seal groove has first seal lip, the distolateral second seal lip is installed to the distolateral of second lass seal groove, the step is installed to the inboard of inner circle, the inner circle is close to the distolateral lock mouth of having seted up of steel ball, and the inner circle is close to center one side of outer lane and sets up gappedly.
Preferably, the outer ring is fixedly connected with the flange, and the flange holes are annularly distributed relative to the center of the flange.
Preferably, the inner ring, the sealing ring and the retainer are respectively provided with two rows of steel balls.
Preferably, a gap is formed between the inner rings.
Preferably, the first ferrule sealing groove and the first sealing lip are tightly attached to each other.
Preferably, the second ferrule sealing groove and the second sealing lip are tightly attached to each other.
The utility model discloses possess following beneficial effect at least:
1. the bearing comprises a bearing body, a flange hole, a bearing retainer, a movable vortex disk, a bearing outer ring, a bearing inner hole, a bearing outer ring, a bearing retainer and a bearing outer ring, wherein the flange hole is used for connecting a screw in a penetrating manner and is used for matching and connecting the outer diameter of the flange with the movable vortex disk, the outer diameter of the flange and the inner hole of the bearing have higher coaxiality, the running precision is ensured, meanwhile, the inner ring adopts two combination types, the middle plane is provided with a certain gap, pre-tightening is formed after installation, the whole bearing comprises an outer ring, two inner rings, two sealing rings, two rows of steel balls with certain quantity and two retainers, an integrated scheme is adopted on the basis of combining the bearing, the bearing capacity is optimized, the product performance is improved, the bearing outer ring is provided with the flange and can be directly installed with the movable vortex disk, the installation precision is improved, the bearing retainers are made of glass fiber reinforced nylon materials, the weight is lighter, and the running noise is reduced;
2. keep off shoulder department through the inner circle and be equipped with two seal grooves, the sealing washer adopts two lips sealed, first seal lip and the contact of first lasso ring seal groove, second seal lip and the contact of first lasso ring seal groove, it is sealed to form the contact, prevent that external impurity from getting into and grease from leaking, inner circle channel department is equipped with the fore shaft, the bearing can not scatter after the assembly, the inner circle hole is equipped with the step, guarantee to cooperate under the prerequisite of effective face, reduce grinding length, reduce the manufacturing degree of difficulty, the inside lubricating grease that fills of bearing, high durability and convenient use, and is free from maintenance.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without any creative effort.
FIG. 1 is a schematic view of the present invention;
FIG. 2 is a schematic elevational view of the flange of FIG. 1;
FIG. 3 is an enlarged schematic view at A in FIG. 1;
fig. 4 is an enlarged schematic view of B in fig. 1.
In the figure: 1. an outer ring; 2. an inner ring; 3. a seal ring; 4. a steel ball; 5. a holder; 101. a flange; 102. a flange hole; 201. a first ferrule seal groove; 202. a second ferrule seal groove; 203. a step; 204. locking the opening; 205. a gap; 301. a first seal lip; 302. a second sealing lip.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1-4, the present invention provides a technical solution of a bearing for a scroll vacuum pump:
the first embodiment is as follows:
as shown in fig. 1 to 4, a scroll vacuum pump bearing includes an outer ring 1, an inner ring 2 is installed on the inner side of the outer ring 1, a seal ring 3 is installed at the top of the left end of the inner ring 2, a steel ball 4 is arranged between the outer ring 1 and the inner ring 2, a retainer 5 is arranged at the side end of the steel ball 4, a flange 101 is installed at the left end of the outer ring 1, a flange hole 102 is formed in the end wall of the flange 101 in a penetrating manner, a first sleeve seal groove 201 and a second sleeve seal groove 202 are arranged on the end wall of the inner ring 2 close to the seal ring 3, a first seal lip 301 is arranged on the end side of the first sleeve seal groove 201, a second seal lip 302 is installed on the end side of the second sleeve seal groove 202, a step 203 is installed on the inner side of the inner ring 2, a lock notch 204 is formed on the end side of the inner ring 2 close to the steel ball 4, and a gap 205 is formed on the inner ring 2 close to the center of the outer ring 1.
Example two:
on the basis of the first embodiment, as shown in fig. 2 and 4, the outer ring 1 is fixedly connected with the flange 101, the flange holes 102 are annularly distributed about the center of the flange 101, two inner rings 2, two sealing rings 3 and two retainer 5 are arranged, two rows of steel balls 4 are arranged, screws can be inserted through the flange holes 102 and are used for connecting the outer diameter of the flange 101 with the movable scroll in a matched mode, the outer diameter of the flange 101 and the inner hole of the bearing have high coaxiality to guarantee the operation precision, meanwhile, the inner rings 2 are combined, a certain gap 205 is formed in the middle plane, pre-tightening is formed after installation, and the whole bearing is composed of the outer ring 1, the two inner rings 2, the two sealing rings 3, the two rows of steel balls 4 with a certain number and the two retainers 5.
On the basis of the first embodiment, as shown in fig. 1 and fig. 3, a gap 205 is formed between the inner rings 2, the first ferrule sealing groove 201 and the first sealing lip 301 are tightly attached to each other, the second ferrule sealing groove 202 and the second sealing lip 302 are tightly attached to each other, two sealing grooves are arranged at the shoulder blocking position of the inner rings 2, the sealing ring 3 adopts double-lip sealing, the first sealing lip 301 is in contact with the first ferrule sealing groove 201, the second sealing lip 302 is in contact with the first ferrule sealing groove 201 to form contact sealing, so that external impurities are prevented from entering and grease from leaking out, a locking notch 204 is arranged at the groove position of the inner rings 2, the bearing cannot be scattered after assembly, a step 203 is arranged in an inner hole of the inner rings 2, on the premise that an effective surface is matched, the grinding length is reduced, the manufacturing difficulty is reduced, lubricating grease is filled in the bearing, the use is convenient, and the maintenance is avoided.
The working principle is as follows: the outer diameter of the flange 101 is connected with a movable scroll in a matched mode through a flange hole 102, the outer diameter of the flange 101 is higher in coaxiality with an inner hole of a bearing, operation precision is guaranteed, meanwhile, the inner ring 2 is of a two-combination mode, a certain gap 205 is formed in the middle plane, pre-tightening is formed after installation, the whole bearing is composed of an outer ring 1, two inner rings 2, two sealing rings 3, two rows of steel balls 4 in a certain number and two retainers 5, two sealing grooves are formed in the shoulder blocking positions of the inner rings 2, the sealing rings 3 are sealed through double lips, the first sealing lip 301 is in contact with the first sealing groove 201, the second sealing lip 302 is in contact with the first sealing groove 201 to form contact type sealing, external impurities are prevented from entering and grease from leaking out, a locking opening 204 is formed in the groove positions of the inner rings 2, the bearing cannot be scattered after assembly, the inner hole 2 is provided with a step 203, on the premise that the effective surface of matching is guaranteed, grinding length is reduced, manufacturing difficulty is reduced, lubricating grease is filled in the bearing, and lubricating grease is convenient to use and free of maintenance.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that all the embodiments and descriptions are provided in the present invention, and that various changes and modifications can be made without departing from the spirit and scope of the present invention, and all such changes and modifications fall within the scope of the present invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. The utility model provides a scroll vacuum pump bearing, includes outer lane (1), its characterized in that, inner circle (2) are installed to the inboard of outer lane (1), and the left end top of inner circle (2) installs sealing washer (3), settle between outer lane (1), inner circle (2) has steel ball (4), and the side of steel ball (4) settles and have holder (5), flange (101) are installed to the left end of outer lane (1), and the end wall of flange (101) wears to be equipped with flange hole (102), the end wall that inner circle (2) are close to sealing washer (3) is provided with first sleeve ring seal groove (201) and second sleeve ring seal groove (202), and the distolateral settlement of first sleeve ring seal groove (201) has first seal lip (301), second seal lip (302) are installed to the distolateral of second sleeve seal groove (202), step (203) are installed to the inboard of inner circle (2), inner circle (2) are close to the distolateral lock mouth (204) of having seted up of steel ball (4), and gapped (205) are seted up to center one side that inner circle (2) are close to outer lane (1).
2. A scroll vacuum pump bearing according to claim 1, wherein the outer ring (1) is fixedly connected to the flange (101) and the flange holes (102) are annularly arranged with respect to the center of the flange (101).
3. Scroll vacuum pump bearing according to claim 1, wherein there are two of the inner ring (2), the sealing ring (3) and the cage (5) and two rows of the steel balls (4).
4. A scroll vacuum pump bearing according to claim 1, wherein a gap (205) is formed between the inner races (2).
5. A scroll vacuum pump bearing according to claim 1, wherein the first race seal groove (201) and the first seal lip (301) are in close contact.
6. A scroll vacuum pump bearing according to claim 1, wherein said second race seal groove (202) and said second seal lip (302) are in close contact.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222791441.0U CN218760914U (en) | 2022-10-23 | 2022-10-23 | Bearing of scroll vacuum pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222791441.0U CN218760914U (en) | 2022-10-23 | 2022-10-23 | Bearing of scroll vacuum pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218760914U true CN218760914U (en) | 2023-03-28 |
Family
ID=85699935
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222791441.0U Active CN218760914U (en) | 2022-10-23 | 2022-10-23 | Bearing of scroll vacuum pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218760914U (en) |
-
2022
- 2022-10-23 CN CN202222791441.0U patent/CN218760914U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US20230193954A1 (en) | Deep groove ball bearing with cage | |
| CN218760914U (en) | Bearing of scroll vacuum pump | |
| CN209990787U (en) | Sealed deep groove ball bearing | |
| CN205744893U (en) | Sealed double-row self-lubricating cylindrical roller thrust bearing unit | |
| CN204186813U (en) | Automobile-used special-shape bearing outer ring | |
| CN209781482U (en) | Deep groove ball bearing with good sealing performance | |
| CN216045038U (en) | Novel bearing structure | |
| CN203214649U (en) | Rotary bearing | |
| CN208634220U (en) | A kind of used in new energy vehicles bearing | |
| CN208519054U (en) | A kind of four point contact roller bearing of biserial | |
| CN218118362U (en) | Angular contact ball bearing for electric tool | |
| CN211202606U (en) | Double-row four-point contact rolling bearing | |
| CN219975128U (en) | Novel sealed deep groove ball bearing | |
| CN214465570U (en) | Double-row roller bearing | |
| CN220726840U (en) | Deep groove ball bearing | |
| CN210265497U (en) | Novel combined bidirectional thrust tapered roller bearing | |
| CN212928497U (en) | High stability thrust ball bearing | |
| CN211259353U (en) | Composite cover outer spherical surface bearing | |
| CN214837894U (en) | Double-row cylindrical roller bearing | |
| CN215805803U (en) | Sealed self-aligning roller bearing with good sealing effect | |
| CN214197001U (en) | Combined bearing | |
| CN220622513U (en) | Deep groove ball bearing | |
| CN217029672U (en) | High-precision rolling bearing | |
| CN219549363U (en) | Double-row tapered roller bearing | |
| CN217736028U (en) | Bearing with sealing groove on inner ring of outer spherical surface |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20231127 Address after: Building E Workshop, No. 220 Chengnan Road, Xinwu District, Wuxi City, Jiangsu Province, 214000 Patentee after: Wuxi Yulu Precision Industry Co.,Ltd. Address before: 214000 No. 1 Lijiang Road, Wuxi New District, Jiangsu Province Patentee before: Wuxi No.2 Bearing Co.,Ltd. |