CN117145883A - Anti-overflow grease injection device for outer ball cage and outer ball cage - Google Patents
Anti-overflow grease injection device for outer ball cage and outer ball cage Download PDFInfo
- Publication number
- CN117145883A CN117145883A CN202311432134.6A CN202311432134A CN117145883A CN 117145883 A CN117145883 A CN 117145883A CN 202311432134 A CN202311432134 A CN 202311432134A CN 117145883 A CN117145883 A CN 117145883A
- Authority
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- China
- Prior art keywords
- fat
- fat injection
- injection
- ball cage
- section
- Prior art date
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- Granted
Links
- 238000002347 injection Methods 0.000 title claims abstract description 223
- 239000007924 injection Substances 0.000 title claims abstract description 223
- 239000004519 grease Substances 0.000 title claims abstract description 98
- 230000013011 mating Effects 0.000 claims abstract description 15
- 238000010276 construction Methods 0.000 claims 1
- 229910000831 Steel Inorganic materials 0.000 description 7
- 239000000428 dust Substances 0.000 description 7
- 239000010959 steel Substances 0.000 description 7
- 238000000034 method Methods 0.000 description 4
- 238000009837 dry grinding Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
Classifications
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- 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
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D3/00—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive
- F16D3/16—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts
- F16D3/20—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members
- F16D3/22—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members the rolling members being balls, rollers, or the like, guided in grooves or sockets in both coupling parts
- F16D3/223—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members the rolling members being balls, rollers, or the like, guided in grooves or sockets in both coupling parts the rolling members being guided in grooves in both coupling parts
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- 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
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D3/00—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive
- F16D3/84—Shrouds, e.g. casings, covers; Sealing means specially adapted therefor
- F16D3/841—Open covers, e.g. guards for agricultural p.t.o. shafts
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- 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
- F16N21/00—Conduits; Junctions; Fittings for lubrication apertures
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Food-Manufacturing Devices (AREA)
Abstract
The invention discloses an anti-overflow fat injection device for an outer ball cage and the outer ball cage, which comprise a fat injection head and a fat injection runner formed in the fat injection head, wherein the fat injection runner comprises a fat injection main channel and a plurality of fat injection sub-channels communicated with the fat injection main channel, the fat injection main channel is arranged along the axial direction of the fat injection head, the fat injection main channel is of a blind hole structure formed in the fat injection head, and a plurality of fat injection sub-channels are formed on the side wall of the fat injection head; the end part of the fat injection head is provided with a matching surface which is abutted against the inner wall of the outer ball cage; compared with the prior art, through the design mating surface at the end of the grease injection head, when the grease injection head moves down to the bottom of the inner cavity of the main body of the ball cage, the mating surface of the grease injection head can be abutted against the surface of the inner cavity of the main body of the ball cage, so that grease can be better prevented from flowing out from the inner threaded hole of the main body of the ball cage.
Description
Technical Field
The invention relates to the technical field of constant velocity universal joints, in particular to an anti-overflow grease injection device for an outer ball cage and the outer ball cage.
Background
The constant-speed universal joint is a device for connecting two shafts with included angles or mutual positions between the shafts and transmitting power at the same angular speed, can overcome the problem of non-constant speed of the common cross-shaft universal joint, and is particularly suitable for steering drive axles.
The high speed joint on the propeller shaft of an automobile is usually a constant velocity joint, and torque is transmitted and changed under the action of the constant velocity joint, and in the prior art, in order to ensure the service life of the constant velocity joint and the safety of the whole joint, the high speed joint is often filled with lubricating grease.
In the prior art, the grease injection head is generally used for injecting grease into the outer ball cage of the constant-speed universal joint, and the conventional grease injection head is generally aligned with the internal threads of the outer ball cage, so that the following problems exist in the actual use process:
1. when the grease injection amount of the outer ball cage is certain and a part of grease flows out from the internal thread of the outer ball cage, the grease amount of the inner cavity of the outer ball cage is insufficient, so that steel balls, star-shaped sleeves and retainers in the outer ball cage cannot be completely wrapped by the grease, a dry grinding phenomenon occurs, the assembly is blocked, the service life of the outer ball cage is influenced, and meanwhile, certain potential safety hazards exist;
2. because annotate fat direction of fat head and directly be directed against the screw hole direction of outer ball cage, grease can have a direct impact force to the stopper of screw hole department under the pressure action of grease pump, lead to the stopper to drop or become flexible, after the stopper falls, light then can lead to the grease to flow, influence the use of constant velocity type universal joint, simultaneously after the stopper falls, need the staff to weigh constant velocity type universal joint assembly and confirm whether the grease volume is qualified, when the grease volume of annotating inequality, still need the staff to manually annotate grease. Secondly, staff is required to clean the surface of the constant-speed universal joint assembly, equipment is cleaned, the labor capacity of the staff is increased, and the integral grease injection efficiency is affected.
Chinese patent No. CN204942316U discloses a grease-replaceable ball cage, which comprises a housing, a star-shaped sleeve disposed in the housing, a half shaft rod connected with the star-shaped sleeve, a plurality of steel balls arranged between the star-shaped sleeve and the housing by a retainer, and a dust cover connected between the housing and the half shaft rod; the dust cover is wavy, the bottom of the dust cover is provided with a sinking groove, one side of the sinking groove is provided with a grease injection port, and the inside of the grease injection port is provided with a valve body; a shaping ring is arranged inside each wave ring of the dust cover; the ball cage is provided with a grease injection port on the dust cover.
Above-mentioned ball cage is through setting up the fat operation of annotating of fat mouth realization to the ball cage on the dust cover, but this kind of mode can influence the dustproof effect of dust cover, annotates fat from single position simultaneously, is difficult to realize fully wrapping up inside steel ball, the star cover of outer ball cage with required grease, the holder, has the phenomenon that causes the inside dry grinding of outer ball cage, when influencing outer ball cage life, also has certain potential safety hazard.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provides the anti-overflow grease injection device for the outer ball cage and the outer ball cage, which are stable in connection, safe, reliable and simple in structure.
In order to achieve the above object, the present invention adopts the following technical scheme: the anti-overflow fat injection device for the outer ball cage comprises a fat injection head and a fat injection runner formed in the fat injection head, wherein the fat injection runner comprises a fat injection main channel and a plurality of fat injection sub-channels communicated with the fat injection main channel, the fat injection main channel is arranged along the axial direction of the fat injection head, the fat injection main channel is of a blind hole structure formed in the fat injection head, and the fat injection sub-channels are formed on the side wall of the fat injection head; the end of the grease injection head is provided with a matching surface which is abutted against the inner wall of the outer ball cage.
As a preferable scheme of the invention, the fat injection head comprises a connecting section, a main body section and a fat injection section which are sequentially connected, the fat injection main channel sequentially penetrates through the connecting section, the main body section and the fat injection section, an opening matched with the fat injection main channel is formed on the connecting section, and a plurality of fat injection sub-channels are formed on the fat injection section.
As a preferable scheme of the invention, a plurality of fat injection secondary channels are arranged along the circumference of the fat injection main channel, and the fat injection secondary channels are connected with the end parts of the fat injection main channel in an equal division manner.
As a preferable scheme of the invention, the fat injection secondary channel is of an inclined structure, and the opening of the fat injection secondary channel is inclined towards the direction of the main body section.
As a preferable scheme of the invention, the total aperture area of the plurality of fat injection secondary channels is larger than the aperture area of the fat injection main channel.
In a preferred embodiment of the present invention, the mating surface is formed at an end of the fat-filling segment, and the mating surface is formed at an outer ring of the end of the fat-filling segment.
In a preferred embodiment of the present invention, a positioning surface is formed in the outer ring of the end portion of the fat injection section.
As a preferable scheme of the invention, the connecting section, the main body section and the fat injection section are of an integrated structure.
The utility model provides an outer ball cage, includes anti-overflow annotates fat device, still includes ball cage main part and sets up the star cover in ball cage main part, is formed with between ball cage main part and the star cover to cup joint the notes fat chamber on annotating the fat section, annotates fat head grafting in the star cover, annotates fat secondary channel and annotate the fat chamber and be linked together, and the mating surface offsets with ball cage main part inner wall.
As a preferable scheme of the invention, when the matching surface is abutted with the main body of the ball cage, a reserved space is formed between the positioning surface and the main body of the ball cage.
Compared with the prior art, the invention has the beneficial effects that:
1. by designing the matching surface at the end of the grease injection head, when the grease injection head moves down to the bottom of the inner cavity of the ball cage main body, the matching surface of the grease injection head can be abutted against the surface of the inner cavity of the ball cage main body, so that grease can be better prevented from flowing out of the inner threaded hole of the ball cage main body;
2. by arranging a plurality of grease injection secondary channels communicated with the grease injection main channel, increasing the number of grease injection holes, and reducing the pressure intensity of the grease injection secondary channels when injecting grease under the action that the total aperture of the grease injection secondary channels is larger than that of the grease injection main channel, the grease injection speed is reduced, the inner cavity of the ball cage can be completely filled with grease, and then the grease spreads to the star cover, the steel balls and the retainer, so that the grease is prevented from being virtually filled (the grease is all outside, and the grease in the inner cavity is not full);
3. by setting the inclined direction of the grease injection secondary channel, the grease injection direction is optimized, and the grease injection secondary channel can better inject grease on the steel ball, the star sleeve and the retainer;
4. a reserved space is reserved between a positioning surface at the end of the grease injection head and the main body of the ball cage, so that the grease injection head can be guaranteed to be in full contact with the bottom of the inner cavity of the main body of the ball cage, when the direction of the star-shaped sleeve is not right, the position of the main body section of the grease injection head can move upwards, and the position of the star-shaped sleeve is corrected by pressing the grease injection head downwards under the abutting action of the main body section.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a top view of the present invention;
FIG. 3 is a state of use of the invention;
FIG. 4 is an enlarged view of a portion of FIG. 3 at A;
reference numerals: the grease injection head 1, the grease injection runner 2, the grease injection main channel 21, the grease injection secondary channel 22, the connecting section 3, the main body section 4, the grease injection section 5, the matching surface 6, the positioning surface 7, the ball cage main body 8, the grease injection cavity 81, the reserved space 82 and the star-shaped sleeve 9.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
As shown in fig. 1-2, an anti-overflow fat injection device for an outer ball cage comprises a fat injection head 1 and a fat injection runner 2 formed in the fat injection head 1, wherein the fat injection runner 2 comprises a fat injection main channel 21 and a plurality of fat injection secondary channels 22 communicated with the fat injection main channel 21, the fat injection main channel 21 is arranged along the axial direction of the fat injection head 1, the fat injection main channel 21 is of a blind hole structure formed in the fat injection head 1, and the fat injection secondary channels 22 are formed on the side wall of the fat injection head 1; the end part of the fat injection head 1 is provided with a matching surface 6 which is abutted against the inner wall of the outer ball cage.
The main grease injecting channel 21 is of a linear structure and is used for being communicated with a grease injecting pipe, the main grease injecting channel 21 is used for receiving grease in the grease injecting pipe and conveying the grease into the secondary grease injecting channels 22, the grease in the same main grease injecting channel 21 is split under the action of the secondary grease injecting channels 22, and the quantity of the secondary grease injecting channels 22 is set according to actual needs.
An angle is formed between the fat injection secondary channel 22 and the fat injection main channel 21, so that fat in the fat injection main channel 21 is buffered under the action of the angle between the fat injection secondary channel 22 and the fat injection main channel 21.
As shown in fig. 1-2, the fat injection head 1 comprises a connecting section 3, a main body section 4 and a fat injection section 5 which are sequentially connected, a fat injection main channel 21 sequentially penetrates through the connecting section 3, the main body section 4 and the fat injection section 5, an opening matched with the fat injection main channel 21 is formed in the connecting section 3, and a plurality of fat injection sub-channels 22 are formed in the fat injection section 5.
The connecting section 3 is provided with external threads, and the connecting section 3 is used for being connected with a grease injection pipe in a threaded manner, so that stable connection of the grease injection head 1 and the grease injection pipe is realized, grease enters the grease injection main channel 21 through an opening in the connecting section 3, flows to the main body section 4 and the grease injection section 5 in sequence along the length direction of the grease injection main channel 21, and finally flows out from a plurality of grease injection secondary channels 22 of the grease injection section 5.
The diameter of the main body section 4 is larger than that of the fat injection section 5, and a step structure is formed at the joint of the main body section 4 and the fat injection section 5, so that in the actual use process, only the fat injection section 5 is inserted into the outer ball valve, and the end part of the main body section 4 is abutted against the star-shaped sleeve 9, so that the insertion stability of the fat injection section 5 can be ensured, and the fat injection stability is ensured.
The plurality of grease injecting sub-channels 22 are circumferentially arranged along the grease injecting main channel 21, and the plurality of grease injecting sub-channels 22 are equally connected to the end parts of the grease injecting main channel 21, the number of the grease injecting sub-channels 22 is set according to actual needs, and the intervals between the adjacent grease injecting sub-channels 22 are the same, so that the uniform grease injection of the grease injecting sub-channels 22 is ensured.
As shown in fig. 1-3, the fat injection sub-channel 22 is of an inclined structure, the opening of the fat injection sub-channel 22 is inclined towards the direction of the main body section 4, the fat injection sub-channel 22 is also a straight channel, the fat injection direction of the fat injection sub-channel 22 is guided under the action of the fat injection sub-channel 22 which is obliquely arranged, and the opening of the fat injection sub-channel 22 is arranged corresponding to the joint of the ball cage main body 8 and the star cover 9 under the action of the fat injection sub-channel 22 which is obliquely arranged towards the direction of the main body section 4.
In the actual use process, the fat injection main channel 21 can be communicated with 4 fat injection sub-channels 22 which are arranged in an equally-divided mode, the fat injection sub-channels 22 which are arranged in an equally-divided mode are arranged in a corresponding mode, the 2 fat injection sub-channels 22 which are arranged in an equally-divided mode are located on the same plane, an included angle of 170 degrees is formed between the 2 fat injection sub-channels 22 which are arranged in an oppositely-arranged mode, and an included angle of 85 degrees is formed between all the fat injection sub-channels 22 and the axis of the fat injection main channel 21.
The oil is buffered under the action of the included angle, and meanwhile, the flowing direction of the oil is guided, so that the oil can be better injected on the steel ball, the star-shaped sleeve 9 and the retainer.
As shown in fig. 2-4, the total aperture area of the fat injection secondary channel 22 is larger than the aperture area of the fat injection primary channel 21, and as the fat in the fat injection primary channel 21 is pressed into the fat injection primary channel 21 through the fat pipe, the pressure of the fat injection secondary channel 22 is reduced during fat injection, the fat speed of the fat injection secondary channel 22 during fat injection is also reduced, slow fat injection is realized, the fat injection cavity 81 can be completely filled with fat, and then spread to the star cover 9, the steel balls and the retainer, and fat deficiency filling (fat is all outside and inner cavity fat is not full) can be avoided.
As shown in fig. 1, the mating surface 6 is formed at the end of the fat injection section 5, and the mating surface 6 is formed at the outer ring of the end of the fat injection section 5, the mating surface 6 may be a chamfer formed at the outer ring of the end of the fat injection section 5, and the mating surface 6 is an annular structure for sealing the movement of fat.
A positioning surface 7 is formed in the outer ring at the end part of the grease injection section 5, and the positioning surface 7 is used for corresponding to the internal thread of the ball cage main body 8.
The connecting section 3, the main body section 4 and the fat injection section 5 are of an integrated structure, and the axes of the connecting section 3, the main body section 4 and the fat injection section 5 are positioned on the same straight line, so that the connecting section 3, the main body section 4 and the fat injection section 5 are integrally provided with better stability, and the fat injection main channel 21 is also convenient to open.
As shown in fig. 3-4, an outer ball cage comprises an anti-overflow fat injection device, and further comprises a ball cage main body 8 and a star-shaped sleeve 9 arranged in the ball cage main body 8, a fat injection cavity 81 sleeved on a fat injection section 5 is formed between the ball cage main body 8 and the star-shaped sleeve 9, a fat injection head 1 is inserted in the star-shaped sleeve 9, a fat injection secondary channel 22 is communicated with the fat injection cavity 81, and a matching surface 6 abuts against the inner wall of the ball cage main body 8.
The angle of mating surface 6 designs according to the inner chamber angle of ball cage main part 8, through forming the mating surface 6 that annotate fat head 1 tip angle and ball cage main part 8 inner chamber bottom angle are unanimous, when annotating fat head mating surface 6 and move down to ball cage main part 8 inner chamber bottom, can realize annotating fat head 1 and ball cage main part 8 inner chamber face contact to can prevent better that the grease from flowing out from the internal thread hole.
When annotating fat head 1 grafting on ball cage main part 8, annotate fat section 5 grafting and set up in passing star cover 9, and main part section 4 and star cover 9 looks butt realize annotating the spacing of fat section 5, annotate the faying surface 6 and the ball cage main part 8 inner wall looks butt of fat section 5 tip this moment to under the effect of faying surface 6, with the internal thread hole of ball cage main part 8 with annotate fat chamber 81 isolated mutually, prevent annotating the grease in the fat chamber 81 and flow into the internal thread hole of ball cage main part 8.
Meanwhile, when the matching surface 6 is abutted with the ball cage main body 8, a reserved space 82 is formed between the positioning surface 7 and the ball cage main body 8, and the adjustment of the end position of the fat injection section 5 is facilitated under the action of the reserved space 82, so that the adjustment of the star-shaped sleeve 9 is synchronously driven.
The reserved space 82 is used for reserving allowance between the end part of the grease injection head 1 and the inner wall of the ball cage main body 8, so that the grease injection head 1 can be in full contact with the bottom of the inner cavity of the ball cage main body 8, the reserved space 82 of 1mm is reserved on the upper part of the grease injection head 1, when the direction of the star cover 9 is not correct, the position of the main body section 4 of the grease injection head 1 can be moved upwards, and the position of the star cover 9 is corrected by pressing the grease injection head 1 under the abutting action of the main body section 4.
As shown in fig. 1 to 4, in the actual use process, the fat injection head 1 is mounted on the fat injection pipe, connection with the fat injection pipe is realized under the action of the screw thread of the connecting section 3, and connection between the fat injection head 1 and the fat injection pipe can be realized by screwing.
After the connection of the fat injection head 1 and the fat injection pipe is installed, the fat injection position is adjusted according to the actual condition of a product, so that the fat injection head 1 extends into the inner diameter of the star-shaped sleeve 9, and then the height of the fat injection head 1 is adjusted, so that the fat injection head 1 is completely attached to the inner wall of the inner cavity of the ball cage main body 8.
The previous description of the disclosed embodiments, to enable any person skilled in the art to make or use the present invention, is provided that many modifications of these embodiments will be readily apparent to those skilled in the art, and that the general principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention; thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Although the reference numerals in the figures are used more herein: the terms of the fat injection head 1, the fat injection runner 2, the fat injection main channel 21, the fat injection secondary channel 22, the connecting section 3, the main body section 4, the fat injection section 5, the matching surface 6, the positioning surface 7, the ball cage main body 8, the fat injection cavity 81, the reserved space 82, the star cover 9 and the like are not excluded. These terms are used merely for convenience in describing and explaining the nature of the invention; they are to be interpreted as any additional limitation that is not inconsistent with the spirit of the present invention.
Claims (10)
1. The anti-overflow fat injection device for the outer ball cage comprises a fat injection head (1) and a fat injection runner (2) formed in the fat injection head (1), and is characterized in that the fat injection runner (2) comprises a fat injection main channel (21) and a plurality of fat injection secondary channels (22) communicated with the fat injection main channel (21), the fat injection main channel (21) is arranged along the axial direction of the fat injection head (1), the fat injection main channel (21) is of a blind hole structure formed in the fat injection head (1), and the fat injection secondary channels (22) are formed on the side wall of the fat injection head (1); the end part of the fat injection head (1) is provided with a matching surface (6) which is abutted against the inner wall of the outer ball cage.
2. The anti-overflow fat injection device for the outer ball cage according to claim 1, wherein the fat injection head (1) comprises a connecting section (3), a main body section (4) and a fat injection section (5) which are sequentially connected, the fat injection main channel (21) sequentially penetrates through the connecting section (3), the main body section (4) and the fat injection section (5), an opening matched with the fat injection main channel (21) is formed in the connecting section (3), and a plurality of fat injection sub-channels (22) are formed in the fat injection section (5).
3. An anti-spill-over fat-filling device for an outer ball cage according to claim 2, characterized in that a plurality of fat-filling secondary channels (22) are arranged circumferentially along the fat-filling main channel (21), and that the plurality of fat-filling secondary channels (22) are connected equally to the ends of the fat-filling main channel (21).
4. An anti-spill fat-filling device for an outer ball cage according to claim 3, wherein the fat-filling secondary channel (22) is of an inclined structure, and the opening of the fat-filling secondary channel (22) is inclined towards the main body section (4).
5. A spill-resistant fat-filling device for an outer ball cage according to claim 3, characterized in that the total aperture area of the fat-filling secondary channels (22) is larger than the aperture area of the fat-filling primary channel (21).
6. An anti-spill-over grease injection device for an outer ball cage according to claim 2, wherein the mating surface (6) is formed at the end of the grease injection section (5), and the mating surface (6) is formed at the outer ring of the end of the grease injection section (5).
7. The anti-overflow fat injection device for an outer ball cage according to claim 6, wherein a positioning surface (7) is formed in an outer ring of an end portion of the fat injection section (5).
8. An anti-spill-over fat injection device for an outer ball cage according to claim 2, characterized in that the connecting section (3), the main body section (4) and the fat injection section (5) are of one-piece construction.
9. An outer ball cage, which is characterized by comprising the anti-overflow fat injection device for the outer ball cage according to any one of claims 1-8, and further comprising a ball cage main body (8) and a star-shaped sleeve (9) arranged in the ball cage main body (8), wherein a fat injection cavity (81) sleeved on a fat injection section (5) is formed between the ball cage main body (8) and the star-shaped sleeve (9), the fat injection head (1) is inserted in the star-shaped sleeve (9), a fat injection secondary channel (22) is communicated with the fat injection cavity (81), and a matching surface (6) is propped against the inner wall of the ball cage main body (8).
10. An outer cage according to claim 9, characterized in that a clearance space (82) is formed between the positioning surface (7) and the cage body (8) when the mating surface (6) abuts against the cage body (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311432134.6A CN117145883B (en) | 2023-10-31 | 2023-10-31 | Anti-overflow grease injection device for outer ball cage and outer ball cage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311432134.6A CN117145883B (en) | 2023-10-31 | 2023-10-31 | Anti-overflow grease injection device for outer ball cage and outer ball cage |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN117145883A true CN117145883A (en) | 2023-12-01 |
| CN117145883B CN117145883B (en) | 2024-01-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311432134.6A Active CN117145883B (en) | 2023-10-31 | 2023-10-31 | Anti-overflow grease injection device for outer ball cage and outer ball cage |
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| CN (1) | CN117145883B (en) |
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| CN110848262A (en) * | 2019-11-19 | 2020-02-28 | 南通大学 | Bearing grease injection process |
| CN215891920U (en) * | 2021-07-27 | 2022-02-22 | 八环科技集团股份有限公司 | Grease injection head and bearing inner diameter grease injection device |
| CN216361270U (en) * | 2021-12-06 | 2022-04-22 | 苏州托克斯冲压设备有限公司 | Oil injection device |
| CN218935061U (en) * | 2022-10-20 | 2023-04-28 | 万向钱潮股份公司 | Novel grease filling structure |
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2023
- 2023-10-31 CN CN202311432134.6A patent/CN117145883B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB392162A (en) * | 1931-08-08 | 1933-05-08 | Mills James Ltd | Improvements in or connected with grease or oil nipples or cups |
| JP2007292204A (en) * | 2006-04-25 | 2007-11-08 | Ntn Corp | Method and device for filling grease to bearing of constant velocity universal joint |
| CN201196332Y (en) * | 2008-04-11 | 2009-02-18 | 万向集团公司 | Outer ball case automatic oiling device |
| CN201461766U (en) * | 2009-06-10 | 2010-05-12 | 襄阳汽车轴承股份有限公司 | Inner gate assembly component for constant velocity universal joint |
| JP2010230174A (en) * | 2010-07-23 | 2010-10-14 | Ntn Corp | Grease filling-up method for bearing device of wheel |
| CN204942316U (en) * | 2015-09-14 | 2016-01-06 | 温州聚泉汽车部件有限公司 | A kind of ball cage of replaceable lubricating grease |
| CN206018234U (en) * | 2016-08-26 | 2017-03-15 | 浙江万安科技股份有限公司 | A kind of greasing head and blind hole grease filling machine |
| CN206055168U (en) * | 2016-08-31 | 2017-03-29 | 苏州施奇尔汽车技术有限公司 | A kind of secondary automobile hub bearing grease filling machine |
| CN109442191A (en) * | 2018-12-27 | 2019-03-08 | 武汉联航机电有限公司 | A kind of grease pouring device |
| CN110848262A (en) * | 2019-11-19 | 2020-02-28 | 南通大学 | Bearing grease injection process |
| CN215891920U (en) * | 2021-07-27 | 2022-02-22 | 八环科技集团股份有限公司 | Grease injection head and bearing inner diameter grease injection device |
| CN216361270U (en) * | 2021-12-06 | 2022-04-22 | 苏州托克斯冲压设备有限公司 | Oil injection device |
| CN218935061U (en) * | 2022-10-20 | 2023-04-28 | 万向钱潮股份公司 | Novel grease filling structure |
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