CN110822268A - Grease injection tool for bearing - Google Patents
Grease injection tool for bearing Download PDFInfo
- Publication number
- CN110822268A CN110822268A CN201911274143.0A CN201911274143A CN110822268A CN 110822268 A CN110822268 A CN 110822268A CN 201911274143 A CN201911274143 A CN 201911274143A CN 110822268 A CN110822268 A CN 110822268A
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- CN
- China
- Prior art keywords
- bearing
- grease injection
- shoulder
- grease
- oil distribution
- 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.)
- Withdrawn
Links
- 239000004519 grease Substances 0.000 title claims abstract description 129
- 238000002347 injection Methods 0.000 title claims abstract description 87
- 239000007924 injection Substances 0.000 title claims abstract description 87
- 238000009826 distribution Methods 0.000 claims abstract description 33
- 238000007789 sealing Methods 0.000 claims description 13
- 230000000903 blocking effect Effects 0.000 claims description 10
- 229910000831 Steel Inorganic materials 0.000 claims description 5
- 239000010959 steel Substances 0.000 claims description 5
- 230000000694 effects Effects 0.000 abstract description 6
- 238000005461 lubrication Methods 0.000 description 8
- 239000002699 waste material Substances 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000005058 metal casting Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 210000002445 nipple Anatomy 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16N—LUBRICATING
- F16N3/00—Devices for supplying lubricant by manual action
- F16N3/10—Devices for supplying lubricant by manual action delivering grease
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/30—Parts of ball or roller bearings
- F16C33/66—Special parts or details in view of lubrication
- F16C33/6603—Special parts or details in view of lubrication with grease as lubricant
- F16C33/6607—Retaining the grease in or near the bearing
- F16C33/6614—Retaining the grease in or near the bearing in recesses or cavities provided in retainers, races or rolling elements
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Rolling Contact Bearings (AREA)
Abstract
The invention discloses a bearing grease injection tool, which comprises an upper cover and an oil distribution sleeve, wherein the upper cover is provided with a hollow first convex shoulder; a grease injection connecting port is formed in the upper end of the first shoulder, a second shoulder used for extending into the first shoulder is arranged at the upper end of the oil distribution sleeve, and a grease injection channel is formed between the inner periphery of the first shoulder and the outer periphery of the second shoulder; and the periphery of the second convex shoulder is provided with a grease injection hole communicated with the grease injection channel, and the periphery of the oil distribution sleeve is provided with a first annular rib for clamping and sleeving the outer ring of the bearing. The grease is conveniently annotated to above-mentioned grease frock is annotated to bearing, can improve the lubricated effect of bearing grease notes, practices thrift the grease simultaneously, reduces and annotates the fat cost.
Description
Technical Field
The invention relates to the technical field of bearing grease injection, in particular to a bearing grease injection tool.
Background
When the automobile axle assembly line is used for assembling a hub, firstly, grease needs to be filled between the inner bearing and the outer bearing of the hub, the bearings are various, after a plurality of bearings are filled with the grease, an oil film is formed between the inner ring of each bearing and the grease filling tool, so that the bearings cannot be separated from the grease filling tools, moreover, the grease is wasted when the plurality of grease filling tools are filled with the rollers which cannot be filled with the grease effectively, and the phenomenon of poor raceway lubrication occurs after the hub runs for a certain time.
Therefore, how to improve the grease injection of the bearing and improve the lubrication effect becomes an important technical problem to be solved urgently by the technical personnel in the field.
Disclosure of Invention
The invention aims to provide a bearing grease injection tool which is convenient to inject grease, improves the grease injection and lubrication effects of bearings, saves grease and reduces the grease injection cost.
In order to achieve the purpose, the invention provides a bearing grease injection tool, which comprises an upper cover and an oil distribution sleeve, wherein the upper cover is provided with a hollow first convex shoulder; a grease injection connecting port is formed in the upper end of the first shoulder, a second shoulder used for extending into the first shoulder is arranged at the upper end of the oil distribution sleeve, and a grease injection channel is formed between the inner periphery of the first shoulder and the outer periphery of the second shoulder; and the periphery of the second convex shoulder is provided with a grease injection hole communicated with the grease injection channel, and the periphery of the oil distribution sleeve is provided with a first annular rib for clamping and sleeving the outer ring of the bearing.
Optionally, the bearing further comprises a positioning shaft extending into the bearing inner ring, and a positioning hole and a positioning bolt connected with the positioning shaft are arranged at the upper end of the second shoulder.
Optionally, the grease injection holes are uniformly arranged along the circumferential direction of the second shoulder with the center of the second shoulder as a center.
Optionally, a stop disc for stopping the inner ring of the bearing is sleeved on the positioning shaft, and a sliding sleeve and a spring for stopping the stop disc are arranged on one side, close to the second shoulder, of the stop disc.
Optionally, the periphery of the grease injection hole is provided with a sealing gasket.
Optionally, a steel wire retainer ring for preventing the blocking disc and the sliding sleeve from slipping off is arranged at the tail end of the positioning shaft.
Optionally, the inner periphery of the oil distribution sleeve is provided with a second annular rib used for extending between the bearing outer ring and the bearing inner ring, and the grease injection hole is formed in the second annular rib.
Optionally, the upper cover and the oil distribution sleeve are detachably connected.
Optionally, the grease nipple is provided with a third shoulder for connecting a quick-change connector, and the first shoulder and the third shoulder are integrally formed.
Compared with the prior art, the bearing grease injection tool provided by the invention comprises an upper cover and an oil distribution sleeve which is attached to the upper cover. The upper cover is provided with a hollow first convex shoulder, the upper end of the first convex shoulder is provided with a grease injection connecting port connected with a grease injection pipeline, and grease is input into the first convex shoulder through the grease injection connecting port; the oil separating sleeve is provided with a second convex shoulder which is used for extending into the hollow first convex shoulder so as to be matched with the first convex shoulder, a grease injection channel is formed between the inner periphery of the first convex shoulder and the outer periphery of the second convex shoulder, and grease is injected between the bearing inner ring and the bearing outer ring through a grease injection hole which is formed in the oil separating sleeve and communicated with the grease injection channel.
When grease is injected into the bearing, the first annular rib at the peripheral edge of the oil distribution sleeve is nested and fixed with the outer ring of the bearing, grease is uniformly dispersed through the grease injection channel between the first convex shoulder and the second convex shoulder and then injected into the space between the rollers of the inner ring and the outer ring of the bearing through the grease injection hole, waste of the grease is reduced, good lubrication can be realized by less grease, the lubrication effect is improved, and the grease injection cost is saved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
Fig. 1 is a schematic view of a bearing grease injection tool provided in an embodiment of the present invention.
Wherein:
01-bearing outer ring, 02-bearing inner ring, 1-upper cover, 2-first convex shoulder, 3-third convex shoulder, 4-sealing washer, 5-oil separating sleeve, 6-second convex shoulder, 7-first annular rib, 8-second annular rib, 9-grease injecting hole, 10-positioning shaft, 11-spring, 12-sliding sleeve, 13-baffle disc, 14-shaft retainer ring and 15-steel wire retainer ring.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Hub: the tire inner profile supports the cylindrical, centrally mounted metal components of the tire. The automobile axle: the axle is connected with the frame (or the bearing type vehicle body) through the suspension, and wheels are arranged at two ends of the axle to bear the load of the vehicle and maintain the normal running of the vehicle on the road. Be equipped with the wheel hub bearing between wheel hub and the car axle, in order to guarantee the good lubrication of bearing, when carrying out wheel hub and car axle equipment, need annotate the grease to the bearing.
In order that those skilled in the art will better understand the disclosure, the invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Referring to fig. 1, fig. 1 is a schematic view of a bearing grease injection tool according to an embodiment of the present invention.
The bearing grease injection tool provided by the invention comprises an upper cover 1 and an oil distribution sleeve 5; the upper cover 1 is provided with a first shoulder 2, and the upper end of the first shoulder 2 is provided with a grease injection connecting port for connecting a grease injection pipeline; specifically, the first shoulder 2 is a hollow shoulder, the upper end face of the oil distribution sleeve 5 is provided with a second shoulder 6 extending into the first shoulder 2, so that an annular grease injection channel is formed on the outer periphery of the second shoulder 6 and the inner periphery of the first shoulder 2, grease is uniformly extruded and dispersed along the circumferential direction of the first shoulder 2 through the annular grease injection channel, and the grease is injected into a roller between the bearing inner ring 02 and the bearing outer ring 01 through a grease injection hole 9 which is formed in the oil distribution sleeve 5 and is communicated with the grease injection channel, so that the grease injection lubrication effect is improved, the phenomenon that the grease is not injected in place and the grease is wasted is avoided, and the grease injection cost is saved. In order to ensure that grease is filled in place, the edge of the periphery of the oil distribution sleeve 5 is provided with a first annular rib 7, and during grease filling, the first annular rib 7 forms clamping fixation on the bearing outer ring 01 to play a certain positioning role.
The bearing grease injection tool provided by the invention is described in more detail with reference to the accompanying drawings and specific embodiments.
In a specific embodiment provided by the invention, the upper cover 1 and the oil distribution sleeve 5 are integrally disc-shaped, the first shoulder 2 is a cylindrical shoulder arranged at the center of the upper cover 1, the first shoulder 2 is hollow, the upper port is opened to serve as a grease injection connecting port, so that the grease injection connecting port is conveniently and quickly connected with a grease injection pipeline, and the third shoulder 3 is further arranged at the upper part of the first shoulder 2 and is conveniently matched with a quick connector through the third shoulder 3 to realize connection with the grease injection pipeline.
The second convex shoulder 6 is also cylindrical, the diameter of the second convex shoulder 6 is smaller than that of the first convex shoulder 2, when the first convex shoulder 2 and the second convex shoulder 6 are coaxially arranged, a gap is reserved between the first convex shoulder 2 and the second convex shoulder 6, the gap is a grease injection channel, grease enters the grease injection channel through the grease injection connecting port, the grease is uniformly dispersed along the circumferential direction under the extrusion of the annular grease injection channel, and the grease is conveniently injected between the bearing inner ring 02 and the bearing outer ring 01 through a grease injection hole 9 which is formed in the oil distribution sleeve 5 and communicated with the grease injection channel.
The peripheral edge part of the oil distribution sleeve 5 is provided with a first annular rib 7, and the first annular rib 7 and the bearing outer ring 01 are matched to form clamping fixation on a bearing to be greased. The size of the first annular rib 7, the first shoulder 2 and the second shoulder 6 is related to the size of the bearing to be greased, and the diameter of the first annular rib 7 is usually slightly larger than that of the bearing outer ring 01, so that the bearing to be greased can be conveniently accommodated and fixed; the diameter of the second shoulder 6 is smaller than the diameter of the first shoulder 2, and both are generally smaller than the diameter of the bearing inner ring 02. The difference of the diameters of the two grease injection channels determines the width of the grease injection channel, namely the grease injection amount of the bearing, and the width of the grease injection channel can be specifically set by referring to the size and the lubrication requirement of the bearing to be greased.
The grease injection hole 9 is formed in the periphery of the second shoulder 6, and more specifically, the grease injection hole 9 is formed in the periphery of the second shoulder 6 in a circular ring shape with the center or axis of the second shoulder 6 as the center of the circle. In order to accurately fill grease into the rollers between the bearing inner ring 02 and the bearing outer ring 01, the diameter of a circular ring formed by the grease injection holes 9 is between the diameter of the bearing inner ring 02 and the diameter of the bearing outer ring 01, namely the grease injection holes 9 are arranged corresponding to the rollers of the bearing to be greased. For example, when the diameter of the bearing outer ring 01 of the bearing to be greased is D1And the diameter of the bearing inner race 02 is D2In this case, the diameter of the annular ring formed by the grease injection hole 9 may be set to (D)1+D2)/2。
In another preferred embodiment, the end face of the oil distribution sleeve 5 for fitting the bearing to be greased is provided with a second annular rib 8 parallel to the first annular rib 7, the second annular rib 8 being intended to extend to the roller surface between the bearing outer ring 01 and the bearing inner ring 02. Grease injection holes 9 are uniformly formed along the circumferential direction of the second annular rib 8, so that grease can be further ensured to be injected in place, grease waste is reduced, and the lubricating effect is improved.
During specific implementation, the middle part of the upper end face of the upper cover 1, to which the oil distribution sleeve 5 is attached, is designed to be circular concave, so that grease in the grease injection channel can be conveniently diffused into the grease injection hole 9 along the circumferential direction of the second shoulder 6, in order to avoid leakage of the grease from the attachment of the oil distribution sleeve 5 and the upper cover 1, an O-shaped sealing gasket 4 is further arranged between the oil distribution sleeve 5 and the grease injection hole 4, the sealing gasket 4 is specifically arranged at the edge of the concave part and is located at the periphery of the grease injection hole 9, and the thickness of the sealing gasket is the same as the height of the.
Certainly, an annular groove matched with the sealing washer 4 can be formed in the lower end face of the upper cover 1, the thickness of the sealing washer 4 is larger than the inward concave height of the oil distribution sleeve 5, and the sealing washer is embedded in the annular groove of the upper cover 4 in a clamping mode, so that the sealing effect is improved, and grease leakage is reduced.
In order to facilitate clamping and positioning of the bearing to be greased, in another specific embodiment provided by the invention, the bearing greasing tool further comprises a positioning shaft 10, the second shoulder 6 is provided with a positioning hole extending along the axial direction of the second shoulder, and the positioning shaft 10 is connected and fixed with the oil distribution sleeve 5 through the matching of a positioning bolt and the positioning shaft 10. The axis of the positioning shaft 10 is arranged in coincidence with the axes of the first shoulder 2 and the second shoulder 6. When grease is injected into the bearing to be greased, the bearing inner ring 02 is sleeved on the positioning shaft 10, and the bearing outer ring 01 is nested in the first annular rib 7 to fix the bearing to be greased.
The cover is equipped with fender dish 13 on the location axle 10, carry out the backstop location and cover to bearing inner race 02 through keeping off dish 13, avoid the grease to annotate bearing inner race 02, reduce the waste of grease, the one end that keeps off dish 13 and be close to oil distribution cover 5 is equipped with the sliding sleeve 12 that is used for backstop this fender dish 13, sliding sleeve 12 is contradicted through the cover establish spring 11 on the location axle 10, sliding sleeve 12 and spring 11 are arranged in the well kenozooecium of second convex shoulder 6, keep off dish 13 then nestification inside second annular rib 8, avoid forming to annotate fat hole 9 and shelter from.
When grease is injected to a bearing to be greased, the grease injection tool needs to be pressed downwards, the bearing inner ring 02 is attached to the baffle disc 13, the spring 11 is compressed, and the second annular rib 8 props against the surface of the roller between the bearing inner ring 02 and the bearing outer ring 01 to inject grease. After the completion is annotated the fat, under the elasticity of spring 11 and the promotion of sliding sleeve 12 and fender dish 13, the fat frock is annotated with the bearing to the bearing and breaks away from, has avoided bearing and bearing to annotate fat frock and has glued even, conveniently annotates the fat to next bearing, has improved notes fat efficiency.
In order to prevent the blocking disk 13, the sliding sleeve 12 and the spring 11 from slipping off from the positioning shaft 10, a certain convex shoulder or a ring rib is arranged on the positioning shaft 10 for blocking and limiting, and a steel wire blocking ring 15 is arranged at the tail end of the positioning shaft 10 for preventing the blocking disk 13 and the like from slipping off. The sliding sleeve 12 can also be provided with a shaft retainer ring 14 limiting stop disc 13 as required, and no matter the steel wire retainer ring 15 or the shaft retainer ring 14 is used for stopping and limiting, which is not described herein again.
In order to facilitate the regular cleaning and maintenance of the grease injection tool, the upper cover 1 and the oil distribution sleeve 5 are detachably connected, specifically, screw holes or pin holes which are matched with each other can be formed in the circumferential directions of the upper cover and the oil distribution sleeve, and the upper cover and the oil distribution sleeve are connected and fixed through bolts or pins. After the sealing washer 4 ages, conveniently take apart and change sealing washer 4, wash the clearance to annotating fat passageway and annotating fat hole 9 simultaneously.
The upper cover 1 is a one-piece cast part, i.e. the first shoulder 2 and the third shoulder 3 are one-piece formed parts. The upper cover 1 and the oil distribution sleeve 5 are usually made of metal castings, and the sealing gasket 4 is usually made of rubber.
It is noted that, in this specification, relational terms such as first and second, and the like are used solely to distinguish one entity from another entity without necessarily requiring or implying any actual such relationship or order between such entities.
The bearing grease injection tool provided by the invention is described in detail above. The principles and embodiments of the present invention are explained herein using specific examples, which are presented only to assist in understanding the method and its core concepts. It should be noted that, for those skilled in the art, it is possible to make various improvements and modifications to the present invention without departing from the principle of the present invention, and those improvements and modifications also fall within the scope of the claims of the present invention.
Claims (9)
1. The bearing grease injection tool is characterized by comprising an upper cover (1) provided with a hollow first convex shoulder (2) and an oil distribution sleeve (5) attached and connected with the upper cover (1); a grease injection connecting port is formed in the upper end of the first convex shoulder (2), a second convex shoulder (6) used for extending into the first convex shoulder (2) is arranged at the upper end of the oil distribution sleeve (5), and a grease injection channel is formed between the inner periphery of the first convex shoulder (2) and the outer periphery of the second convex shoulder (6); and the periphery of the second convex shoulder (6) is provided with a grease injection hole (9) communicated with the grease injection channel, and the periphery edge of the oil distribution sleeve (5) is provided with a first annular rib (7) for clamping and sleeving the bearing outer ring (01).
2. The bearing grease injection tool according to claim 1, further comprising a positioning shaft (10) extending into the bearing inner ring (02), wherein a positioning hole and a positioning bolt connected with the positioning shaft (10) are arranged at the upper end of the second shoulder (6).
3. The bearing grease injection tool according to claim 1, characterized in that the grease injection holes (9) are uniformly arranged along the circumferential direction of the second shoulder (6) with the center of the second shoulder (6) as the center of the circle.
4. The bearing grease injection tool according to claim 2, wherein a blocking disc (13) for blocking the bearing inner ring (02) is sleeved on the positioning shaft (10), and a sliding sleeve (12) and a spring (11) for blocking the blocking disc (13) are arranged on one side, close to the second shoulder (6), of the blocking disc (13).
5. The bearing grease injection tool according to claim 3, characterized in that a sealing gasket (4) is arranged on the periphery of the grease injection hole (9).
6. The grease injection tooling for the bearing is characterized in that the tail end of the positioning shaft (10) is provided with a steel wire retainer ring (15) for preventing the baffle disc (13) and the sliding sleeve (12) from slipping.
7. The grease injection tool for the bearing according to any one of claims 1 to 6, wherein the inner periphery of the oil distribution sleeve (5) is provided with a second annular rib (8) which is used for extending between the bearing outer ring (01) and the bearing inner ring (02), and the grease injection hole (9) is formed in the second annular rib (8).
8. The grease injection tooling for the bearing according to claim 7, wherein the upper cover (1) is detachably connected with the oil distribution sleeve (5).
9. The bearing grease injection tool according to claim 8, characterized in that the grease injection connection port is provided with a third shoulder (3) for connecting a quick-change connector, and the first shoulder (2) and the third shoulder (3) are integrally formed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911274143.0A CN110822268A (en) | 2019-12-12 | 2019-12-12 | Grease injection tool for bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911274143.0A CN110822268A (en) | 2019-12-12 | 2019-12-12 | Grease injection tool for bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110822268A true CN110822268A (en) | 2020-02-21 |
Family
ID=69544993
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911274143.0A Withdrawn CN110822268A (en) | 2019-12-12 | 2019-12-12 | Grease injection tool for bearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110822268A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112112950A (en) * | 2020-08-24 | 2020-12-22 | 东风电驱动***有限公司 | Positioning grease injection tool |
-
2019
- 2019-12-12 CN CN201911274143.0A patent/CN110822268A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112112950A (en) * | 2020-08-24 | 2020-12-22 | 东风电驱动***有限公司 | Positioning grease injection tool |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
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| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20200221 |
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| WW01 | Invention patent application withdrawn after publication |