CN212479572U - Adjusting device for main shaft of oil agent gear pump - Google Patents
Adjusting device for main shaft of oil agent gear pump Download PDFInfo
- Publication number
- CN212479572U CN212479572U CN202020803035.XU CN202020803035U CN212479572U CN 212479572 U CN212479572 U CN 212479572U CN 202020803035 U CN202020803035 U CN 202020803035U CN 212479572 U CN212479572 U CN 212479572U
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- gasket
- main shaft
- hole
- sealing ring
- adjusting device
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Abstract
The utility model relates to a finish gear pump field, more specifically, it relates to an adjusting device for finish gear pump main shaft, including the front bezel and the main shaft of rotation of arranging in the front bezel, the front bezel is equipped with the first recess, the main shaft is worn out from the bottom of the first recess, be equipped with the sealing washer support in the first recess, the sealing washer support bottom is equipped with the first through-hole, be equipped with the sealing washer in the sealing washer support, the sealing washer intermediate position is equipped with the second through-hole, the first through-hole communicates with the second through-hole, sealing washer support and sealing washer are all cup jointed on the main shaft and are arranged in the first recess through the first through-hole, the first through-hole diameter is greater than the main shaft diameter and the second through-hole diameter is adapted with the main shaft diameter, the gasket adjusting device is equipped with at the front bezel and the junction of sealing washer support, make the sealing washer support, avoiding the worn main shaft.
Description
Technical Field
The utility model relates to a finish gear pump field, more specifically say, it relates to an adjusting device that is used for finish gear pump main shaft.
Background
The operational environment of finish gear pump is because unable dust and foreign matter of avoiding, the main shaft is the key part of gear pump, machining precision and cost are all higher, it prevents that dust or particulate matter from getting into to cause the harm to the main shaft to all be equipped with the sealing washer at the main shaft tip traditionally, but the sealing washer can produce wearing and tearing with main shaft contact department, often grind into the slot with the main shaft excircle, the slot constantly enlarges will seriously influence sealed effect, can cause the main shaft to appear cracked condition at high-speed rotation in-process even, at this moment just will change the main shaft. Unnecessary economic loss is caused to a certain extent, and certain potential safety hazard is brought.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, the utility model aims to provide an adjusting device for finish gear pump main shaft.
In order to achieve the above purpose, the utility model provides a following technical scheme:
an adjusting device for a spindle of an oil gear pump comprises a front plate and a spindle arranged in the front plate and rotating, wherein the front plate is provided with a first groove, the spindle penetrates out of the bottom of the first groove, a sealing ring support is arranged in the first groove, a first through hole is formed in the bottom of the sealing ring support, a sealing ring is arranged in the sealing ring support, a second through hole is formed in the middle of the sealing ring, the first through hole is communicated with the second through hole, the sealing ring support and the sealing ring are sleeved on the spindle through the first through hole and the second through hole and are arranged in the first groove, the diameter of the first through hole is larger than that of the spindle, the diameter of the second through hole is matched with that of the spindle, a gasket adjusting device is arranged at the joint of the front plate and the sealing ring support and comprises a first gasket and a second gasket, the second gasket is sleeved on the first gasket and can slide relatively, a positioning notch is formed, the limiting pin can penetrate through a plurality of limiting holes formed in the side wall of the first gasket randomly, a reset spring is arranged between the limiting pin and the outer side wall of the second gasket and penetrates through the limiting pin, one end of the reset spring is connected with the outer side wall of the second gasket, and the other end of the reset spring is connected with the end portion of the limiting pin.
The utility model discloses further set up to: the outer side wall of the first gasket is provided with a first sliding groove, the inner side wall of the second gasket is provided with a first sliding rail matched with the first sliding groove, and the first sliding rail slides relatively in the first sliding groove.
The utility model discloses further set up to: be equipped with the holding tank in the first slip recess, the holding tank intussuseption is filled with the graphite strip of contradicting with the first slide rail on the second gasket, and fixed being equipped with graphite rod on the terminal surface that the first slide rail on the second gasket contradicted with the first recess on the first gasket.
Compare prior art's not enough point, the beneficial effects of the utility model are that:
the sealing ring support is placed in the first groove, the sealing ring is fixed in the sealing ring support, the main shaft penetrates out of the first through hole of the sealing ring support and the second through hole in the middle of the sealing ring at the moment, and the sealing ring plays a role in sealing to ensure that external dust particles cannot enter the middle of the front plate and the main shaft to abrade the main shaft. Because the sealing ring is tightly attached to the main shaft, the main shaft is abraded by the sealing ring after a long time, the sealing performance of the abraded main shaft is poor, and in order to adjust the position of the sealing ring under the condition that the main shaft is not replaced, a gasket adjusting device is arranged at the joint of the front plate and the sealing ring support, the distance between the front plate and the sealing ring support is changed through the gasket adjusting device, so that the axial position of the sealing ring arranged in the sealing ring support in the main shaft is changed, the abraded position is changed, the main shaft can safely work for a longer time, and the service life is prolonged.
Drawings
FIG. 1 is a schematic diagram of a cross-sectional view of an embodiment of the present invention;
FIG. 2 is a schematic view of an embodiment of the present invention;
FIG. 3 is a schematic diagram of a cross-sectional view of a gasket adjustment apparatus according to an embodiment of the present invention;
fig. 4 is a schematic cross-sectional view of a shim adjuster according to an embodiment of the present invention;
fig. 5 is a schematic view of a partially enlarged cross-sectional view of an embodiment of the present invention.
Detailed Description
Embodiments of the present invention are further described with reference to fig. 1 to 5.
An adjusting device for a main shaft 2 of an oil gear pump comprises a front plate 1 and a main shaft 2 arranged in the front plate 1 to rotate, wherein the front plate 1 is provided with a first groove 3, the main shaft 2 penetrates out of the bottom of the first groove 3, a sealing ring support 4 is arranged in the first groove 3, a first through hole is arranged at the bottom of the sealing ring support 4, a sealing ring 5 is arranged in the sealing ring support 4, a second through hole is arranged in the middle of the sealing ring 5 and communicated with the first through hole, the sealing ring support 4 and the sealing ring 5 are sleeved on the main shaft 2 through the first through hole and the second through hole and are arranged in the first groove 3, the diameter of the first through hole is larger than that of the main shaft 2, the diameter of the second through hole is matched with that of the main shaft 2, a gasket adjusting device 6 is arranged at the joint of the front plate 1 and the sealing ring support 4, the gasket adjusting device 6 comprises a first gasket 61 and a second gasket 62, be equipped with location breach 11 on the second gasket 62 lateral wall, be equipped with swing joint's spacer pin 10 on the location breach 11, a plurality of spacing scarce holes 9 of setting on first gasket 61 lateral wall can be passed wantonly to the spacer pin 10, is equipped with reset spring 12 between the lateral wall of spacer pin 10 and second gasket 62, and reset spring 12 passes spacer pin 10, and reset spring 12 one end is connected and the other end and 10 end connection of spacer pin with second gasket 62 lateral wall.
Firstly fix sealing washer 5 in sealing washer support 4, the second through-hole that sets up with 5 central point of sealing washer and the first through-hole that sets up on the sealing washer support 4 all pass main shaft 2 again, the installation is fixed in first recess 3, the second through-hole on the sealing washer 5 this moment just plays a sealed effect with the contact of main shaft 2 lateral wall, sealing washer 5 can wear and tear main shaft 2 lateral wall after main shaft 2 is long-time operation, main shaft 2 leakproofness greatly reduced after the wearing and tearing, so be equipped with gasket adjusting device 6 at front bezel 1 and sealing washer support 4 junction, adjust the distance between front bezel 1 and the sealing washer support 4 through gasket adjusting device 6 and make sealing washer 5 stagger each other with main shaft 2 wearing and tearing department.
The outer side wall of the first gasket 61 is provided with a first sliding groove 7, the inner side wall of the second gasket 62 is provided with a first sliding rail 8 matched with the first sliding groove 7, and the first sliding rail 8 slides relatively in the first sliding groove 7.
In order to guarantee that unstability appears when adjusting gasket adjusting device 6, be equipped with first sliding groove 7 at the lateral wall of first gasket 61, be equipped with on the inside wall of second gasket 62 with the first slide rail 8 of first sliding groove 7 adaptation, first slide rail 8 is the relative slip in first sliding groove 7, and first spout sets up on gasket adjusting device 6 with the equal symmetry of first slide rail 8, guarantee that it is difficult for appearing after adjusting to appear first gasket 61 rotation more stable in accommodation process, spacer pin 10 can't aim at location breach 11 and fix.
Be equipped with holding tank 14 in the first slip recess 7, holding tank 14 intussuseption is filled with the graphite strip 15 of contradicting with first slide rail 8 on the second gasket 62, and the fixed graphite rod 13 that is equipped with on the terminal surface that first slide rail 8 on the second gasket 62 contradicts with first recess 3 on the first gasket 61.
In order to prevent the phenomenon of blocking in the sliding process of the first gasket 61, a containing cavity is arranged in the first sliding groove 7, the graphite strip 15 abutting against the first sliding rail 8 on the second gasket 62 is filled in the containing cavity, and the graphite strip 15 is fixed in the containing cavity. And meanwhile, the graphite rod 13 is fixedly arranged on the end face, abutted against the first groove 3 on the first gasket 61, of the first slide rail 8 on the second gasket 62. When the first shim 61 is slidably adjusted, the graphite rod 15 and the graphite rod 13 are in contact with each other and relatively slide, and by utilizing the greasy characteristics of the graphite rod 15 and the graphite rod 13, no seizure phenomenon occurs when the first shim 61 is slid, and the sliding is stable.
The above is only the preferred embodiment of the present invention, and is not intended to limit the present invention, and the skilled in the art can carry out the common changes and replacements within the technical solution of the present invention.
Claims (3)
1. The utility model provides an adjusting device for finish gear pump main shaft, includes the front bezel and arranges the main shaft of front bezel internal rotation in, characterized by: the front plate is provided with a first groove, the main shaft penetrates out of the bottom of the first groove, a sealing ring support is arranged in the first groove, a first through hole is formed in the bottom of the sealing ring support, a sealing ring is arranged in the sealing ring support, a second through hole is formed in the middle of the sealing ring, the first through hole is communicated with the second through hole, the sealing ring support and the sealing ring are sleeved on the main shaft through the first through hole and the second through hole and are arranged in the first groove, the diameter of the first through hole is larger than that of the main shaft, the diameter of the second through hole is matched with that of the main shaft, a gasket adjusting device is arranged at the joint of the front plate and the sealing ring support and comprises a first gasket and a second gasket, the second gasket is sleeved on the first gasket and can slide relatively, a positioning notch is formed in the side wall of the second gasket, a movably connected limiting pin is arranged on the positioning notch, and can freely penetrate, and a reset spring is arranged between the limiting pin and the outer side wall of the second gasket, the reset spring penetrates through the limiting pin, one end of the reset spring is connected with the outer side wall of the second gasket, and the other end of the reset spring is connected with the end part of the limiting pin.
2. The adjusting device for the main shaft of the oil gear pump as claimed in claim 1, wherein: the outer side wall of the first gasket is provided with a first sliding groove, the inner side wall of the second gasket is provided with a first sliding rail matched with the first sliding groove, and the first sliding rail slides relatively in the first sliding groove.
3. An adjusting device for a main shaft of an oil gear pump as claimed in claim 2, which is characterized in that: be equipped with the holding tank in the first slip recess, the holding tank intussuseption is filled with the graphite strip of contradicting with the first slide rail on the second gasket, and fixed being equipped with graphite rod on the terminal surface that the first slide rail on the second gasket contradicted with the first recess on the first gasket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020803035.XU CN212479572U (en) | 2020-05-15 | 2020-05-15 | Adjusting device for main shaft of oil agent gear pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020803035.XU CN212479572U (en) | 2020-05-15 | 2020-05-15 | Adjusting device for main shaft of oil agent gear pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212479572U true CN212479572U (en) | 2021-02-05 |
Family
ID=74460922
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020803035.XU Active CN212479572U (en) | 2020-05-15 | 2020-05-15 | Adjusting device for main shaft of oil agent gear pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212479572U (en) |
-
2020
- 2020-05-15 CN CN202020803035.XU patent/CN212479572U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220530 Address after: 215159 No. 3, Fuli Road, East District, Guangfu Industrial Park, Wuzhong District, Suzhou City, Jiangsu Province Patentee after: Suzhou Wuzhong Chendong Precision Machinery Co.,Ltd. Address before: No. 69, Xingxin Road, Xincheng Town, Xiuzhou District, Jiaxing City, Zhejiang Province Patentee before: Jiaxing Chen Dong Pml Precision Mechanism Ltd. |
|
| TR01 | Transfer of patent right |