CN205350103U - Self -lubricating sliding bearing - Google Patents
Self -lubricating sliding bearing Download PDFInfo
- Publication number
- CN205350103U CN205350103U CN201620148062.1U CN201620148062U CN205350103U CN 205350103 U CN205350103 U CN 205350103U CN 201620148062 U CN201620148062 U CN 201620148062U CN 205350103 U CN205350103 U CN 205350103U
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- CN
- China
- Prior art keywords
- oil
- grease chamber
- radiator
- oil ring
- block
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- Withdrawn - After Issue
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Abstract
The utility model discloses a self -lubricating sliding bearing, including the bearing box, the axle bush, pivot and oil ring, the inside left grease chamber of formation of bearing box, middle grease chamber and right grease chamber, left side grease chamber and right grease chamber connect the both ends of radiator, radiator peripheral hardware inner heat dissipation fin, establish the baffle in the radiator, it establishes the play oil pipe who stretches into middle grease chamber to lie in the baffle both sides on the radiator, the radiator is located the water tank, the outer fin of water tank peripheral hardware, the bottom of oil ring is stretched into in the lubricating oil of middle grease chamber, the equal oil distributing groove of inner wall circumference of oil ring, the oil groove includes dovetail groove and straight flute, two square pieces that support are respectively established to the inner wall about the straight flute, be close to the oil ring inner wall and be located supporting the piece and supporting and establish the through -hole on the piece of the outside rather than relative another alternately, four form square space between the piece, establish transprotable oil absorption felt in the square space. The utility model discloses a self -lubricating sliding bearing has effectively reduced the temperature of inside lubricating oil, and heat dispersion improves greatly, the oil ring take the oil mass big, reduced the temperature rise that the friction produced.
Description
Technical field
This utility model relates to sliding bearing technical field, especially relates to a kind of self-lubricating plain bearing.
Background technology
Use the motor of self-lubricating plain bearing because not needing extraneous recycle oil system, there is Original equipment fund input few, convenient for installation and maintenance, the advantage of operation and running state monitoring simplicity, therefore it is widely used in modern industry.In known technology, lubrication is played in the gap that the lubricating oil that in bearing housing, self stores is brought between rotating shaft and bearing shell by the oil ring that the self-lubricating plain bearing that motor uses relies on and rotating shaft rotates together, conventional oil ring is the annulus that cross section is trapezoidal, only rely on oil viscosity and be adsorbed on oil ring, again along with relative motion surface is taken in the rotation of rotating shaft to, the oil mass being with is limited, effect is undesirable, existing also occur in that on the market in set the oil ring of T-shaped oil groove, except increasing the contact surface that oil is adsorbed on oil ring, the container of T-shaped oil groove or a kind of oil, equally oil is taken up when oil ring rotates time image waterwheel, T-shaped oil groove is along with when rotating the top arriving rotating shaft of oil ring, lubricating oil in T-shaped oil groove injects the gap between rotating shaft and bearing shell, but T-shaped oil groove may result in most oil and directly comes down in torrents and back into fuel tank when oil ring forwards its intermediate altitude to, T-shaped oil groove has again many oil and reveals when rising to top from the intermediate altitude of oil ring, the real oil injected between rotating shaft and bearing shell is considerably less, therefore it is badly in need of the tank structure of oil ring is improved, its oil in the process rotating rising from oil ring bottom to intermediate altitude to top gradually is made to run off in a large number, the bearing block of original structure is internal simultaneously is holistic grease chamber, in grease chamber, lubricating oil does not circulate, and deep fat light specific gravity, float on the surface, it is deep fat that oil ring takes the oil on bearing shell to axis of rotation, it is badly in need of lubricating oil is cooled.
Utility model content
The purpose of this utility model is in that to overcome above-mentioned the deficiencies in the prior art, it is provided that a kind of self-lubricating plain bearing, effectively reduces the temperature of the lubricating oil of inside, and heat dispersion is greatly improved, and the band oil mass of oil ring is big, reduces fricative temperature rise.
For reaching above-mentioned purpose, the technical solution of the utility model is: self-lubricating plain bearing, including bearing housing, bearing shell, rotating shaft and oil ring, described bearing housing is internally formed left grease chamber, middle grease chamber and right grease chamber, the bottom of described left grease chamber and right grease chamber passes sequentially through horn mouth passage and curved channel is connected to two end entrances of radiator, the outer wall of described radiator is provided with the interior fin being distributed along its length, radiator bosom place is provided with dividing plate, radiator is positioned at dividing plate both sides and respectively sets a flowline stretching into middle grease chamber, radiator is positioned at the water tank bottom bearing housing, described water tank bottom outer wall is provided with outer fin, the upper and lower side of water tank is respectively equipped with water inlet pipe and outlet pipe, the bottom of described oil ring is stretched in the lubricating oil of middle grease chamber, inwall circumference all spreader grooves of oil ring, described oil groove includes dovetail groove and the straight trough of connection, the upper base of described dovetail groove is provided with two square straight troughs of symmetry, the left and right inwall of described straight trough respectively sets two and square supports block, described is that upper and lower two groups of correspondences are distributed to block, near oil ring inwall and be positioned at outside support block and relative another of intersecting with it supports block and is provided with multiple through hole run through up and down, four form long a between block, wide b, the square space of high c, long d it is provided with in described square space, wide b, the square asphalt felt of high f, the length d of described asphalt felt deducts the value of a thickness g supporting block and less than the through hole distance i to relative with the through hole relatively distally to block more than the length a of square space, the height f of asphalt felt is less than the height c of square space.
Described radiator is coil-type radiator.
The beneficial effects of the utility model are: jointly coordinated by radiator and water tank and send middle grease chamber after the lubricating oil that the temperature from left grease chamber and right grease chamber is higher is dispelled the heat back to, make the indoor lubricating oil relatively low for temperature taken away by oil ring of middle oil, improve the thermal diffusivity of bearing, reduce the temperature of bearing, improve the serviceability of bearing；Coordinated by dovetail groove and straight trough in oil ring and can store substantial amounts of oil, and the asphalt felt that can shift with oil ring rotation in straight trough plays the effect of the oily circulation circuit of isolation on the basis of oil suction, oil ring oil in the rotary course from bottom to top will not be leaked in a large number, it is possible to effectively reduce fricative temperature rise.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model；
Fig. 2 is the enlarged drawing at A place in Fig. 1；
Fig. 3 is the top view of radiator of the present utility model；
Fig. 4 is the structural representation of oil ring of the present utility model；
Fig. 5 is the oil groove of the present utility model structural representation when being positioned at oil ring bottom；
Fig. 6 be in Fig. 5 B-B to sectional view；
Fig. 7 is the oil groove of the present utility model structural representation when being positioned at oil ring intermediate altitude；
Fig. 8 is the oil groove of the present utility model structural representation when being positioned at oil ring top.
In figure: bearing housing 1, left grease chamber 11, middle grease chamber 12, right grease chamber 13, horn mouth passage 14, curved channel 15, bearing shell 2, rotating shaft 3, oil ring 4, radiator 5, dividing plate 51, flowline 52, interior fin 53, water tank 6, outer fin 61, water inlet pipe 62, outlet pipe 63, oil groove 7, dovetail groove 71, straight trough 72, to block 73, through hole 74, asphalt felt 75.
Detailed description of the invention
By the examples below, and in conjunction with accompanying drawing, the technical solution of the utility model is described in further detail.
As shown in Fig. 1～Fig. 8, self-lubricating plain bearing, including bearing housing 1, bearing shell 2, rotating shaft 3 and oil ring 4, it is internal that bearing shell 2 and oil ring 4 are respectively positioned on bearing housing 1, rotating shaft 3 traverse bearing housing 1, bearing shell 2 and the axle journal of rotating shaft 3 stretched in bearing housing 1 are matched in clearance, are provided with oil ring 4 in the middle of bearing shell 2, and oil ring 4 hangs in rotating shaft 3 and then rotating shaft 3 and rotates.
Described bearing housing 1 is internally formed left grease chamber 11, middle grease chamber 12 and right grease chamber 13, and middle grease chamber 12 is positioned at inside bearing shell 2, and left grease chamber 11 and right grease chamber 13 are positioned at outside bearing shell 2, and the oil that oil ring 4 brings flows to left grease chamber 11 and right grease chamber 13 from middle grease chamber 12.
The bottom of described left grease chamber 11 and right grease chamber 13 passes sequentially through horn mouth passage 14 and curved channel 15 is connected to two end entrances of radiator 5, horn mouth passage 14 can increase the influx of oil, coordinate with curved channel 15 makes deep fat can enter radiator 5 easily simultaneously, described radiator 5 is coil-type radiator, the runner of coil-type radiator is having many bends or curves, extend course and the time of the fluid of inside, heat exchange performance is good, the outer wall of described radiator 5 is provided with the interior fin 53 being distributed along its length, radiator 5 bosom place is provided with dividing plate 51, radiator 5 is positioned at dividing plate 51 both sides and respectively sets a flowline 52 stretching into middle grease chamber 12, the deep fat come from left grease chamber 11 and right grease chamber 13 enters from the entrance at radiator 5 two ends respectively, finally enter middle grease chamber 12 from the flowline 52 of respective side, it does not interfere with each other, only use a radiator 5 that two place's fluids are dispelled the heat respectively, save cost, reduce the installing space of equipment, practicality is good.
Radiator 5 is positioned at the water tank 6 bottom bearing housing 1, bottom and curved channel 15 including horn mouth passage 14 are respectively positioned in water tank 6, water it is full of in water tank 6, the highest point of water level is at least up to the apical position that can flood interior fin 53, described water tank 6 bottom outer wall is provided with outer fin 61, also may select and outer fin 61 is optionally installed on other several outer walls of water tank 6, the upper and lower side of water tank 6 is respectively equipped with water inlet pipe 62 and outlet pipe 63, water inlet pipe 62 in this utility model is positioned at a side wall upper part of water tank 6, outlet pipe 63 is positioned at bottom water tank 6, can be undertaken changing water by water inlet pipe 62 and outlet pipe 63 every a period of time；When heat transfer effect strengthened by needs, it is possible to connect water inlet pipe 62 by outside water circulation system and water tank 6 is carried out water circulation by outlet pipe 63 moment.Jointly coordinated by radiator 5 and water tank 6 and after deep fat is carried out heat exchange, send middle grease chamber 12 back to, make the lubricating oil relatively low for temperature taken away by oil ring 4 in middle grease chamber 12, improve the thermal diffusivity of bearing, reduce the temperature of bearing, improve the serviceability of bearing.
The bottom of described oil ring 4 is stretched in the lubricating oil of middle grease chamber 12, inwall circumference all spreader grooves 7 of oil ring 4, the quantity of the oil groove 7 in this utility model is 12, be equivalent to 12 high ranges on clock used in everyday, described oil groove 7 includes dovetail groove 71 and the straight trough 72 of connection, the upper base of described dovetail groove 71 is provided with two square straight troughs 72 of symmetry, the left and right inwall of described straight trough 72 respectively sets two and square supports block 73, described is that upper and lower two groups of correspondences are distributed to block 73, namely it is one group that two of close oil ring 4 inwall above support block 73, what two other was positioned below supports block 73 for another group, two often organized support the upper and lower end face of block 73 and are respectively positioned on same plane, near oil ring 4 inwall and be positioned at outside support block 73 and relative another of intersecting with it supports block 73 and is provided with multiple through hole 74 run through up and down, the quantity of the through hole 74 in this utility model is 5, it is spacedly distributed along the width to block 73, two intersect the relative through hole 74 supported on block 73 and cooperatively form the runner that oil-feed is fuel-displaced.
Four form long a between block 73, wide b, the square space of high c, long d it is provided with in described square space, wide b, the square asphalt felt 75 of high f, the length d of described asphalt felt 75 deducts the value of a thickness g supporting block 73 more than the length a of square space and arrives the distance i in the relatively distally of supporting block 73 relative with through hole 74 less than through hole 74, make the upper and lower end face of asphalt felt 75 without departing from the corresponding one group end face to block 73, namely asphalt felt 75 can move along one group of end face supporting block 73 in square space but can not overturn, the length of asphalt felt 75 is not enough to when oil groove 7 is in bottom with apical position block two relative through holes 74 supported on block 73 of intersection simultaneously, making bottom position oil storage and apical position, fuel-displaced more smooth and easy (bottom position in this utility model is properly termed as 6 positions, i.e. 6 points on clock, apical position is properly termed as or 12 positions at 0, appear below this kind of call similar in this).
The height f of asphalt felt 75 is less than the height c of square space, but in order to strengthen the oil storage capacity of asphalt felt 75, making the oil mass that some position at meeting draining is revealed reduce as much as possible, the height f of asphalt felt 75 of the present utility model only need to be slightly smaller than the height c of square space simultaneously.
The width of asphalt felt 75 and the width of square space are equal, are all steeped by oil immersion due to asphalt felt 75, on the inwall of block 73 and straight trough 72, and therefore asphalt felt 75 can move in its length and short transverse easily.
When oil ring 4 of the present utility model is as shown in Figure 4 and rotates counterclockwise, when the oil groove 7 of oil ring 4 is positioned at 6 positions (as shown in Figure 5), two asphalt felts 75 all rest upon one group of lower section and support on block 73 and the sidewall of asphalt felt 75 is resisted against the outside inwall of straight trough 72, the through hole 74 that now upper and lower intersects formed oil inlet passage oil is stored in oil groove 7 (also can one group of space oil-feed supported between block 73 from above, the through hole 74 that a group from below supports in block 73 flows into), asphalt felt 75 self also stores substantial amounts of oil simultaneously.When oil groove 7 is positioned at 3 positions (as shown in Figure 7), be now placed in the end face of asphalt felt 75 of lower section be resisted against originally (when referring to 6 positions) be in one group of top on block 73 and the sidewall of asphalt felt 75 against the outside inwall of straight trough 72, now this asphalt felt 75 is blocked this group being originally in top and is supported the through hole 74 of block 73 and make it can not be fuel-displaced, asphalt felt 75 above is resisted against be below one group and supports on block 73 and the sidewall of asphalt felt 75 is against the inner side inwall of straight trough 72, now this asphalt felt 75 is blocked this group of lower section and is supported the through hole 74 of block 73 and make it can not be fuel-displaced, thus having completely cut off oil discharge passage, make the oil groove 7 will not draining when 3 positions.When oil groove 7 is positioned at 0 position (as shown in Figure 8), two asphalt felts 75 are all resisted against one group that is originally in top (when referring to 6 positions) and support on block 73 and the sidewall of asphalt felt 75 is against the inner side inwall of straight trough 72, and now the through hole 74 of upper and lower turns on and oil releases the gap sent between bearing shell 2 and rotating shaft 3.Additionally, oil groove 7 of the present utility model has the leakage of oil when being near 1 position, but the cushioning effect due to asphalt felt 75, and oil groove 7 near 1 position time can quickly reach 0 position and carry out draining, therefore can also there is substantial amounts of oil for lubrication, the T-shaped oil groove of prior art has then just revealed, when 3 positions, the trapped fuel exceeding half, remains little especially from the oil behind position, 3 positions to 0.When oil ring of the present utility model 4 is for turning clockwise, principle is identical, does not introduce at this.
The above; it is only this utility model preferably detailed description of the invention; but protection domain of the present utility model is not limited thereto; any those familiar with the art is in the technical scope that this utility model discloses; the change that can readily occur in or replacement, all should be encompassed within protection domain of the present utility model.
Claims (2)
1. self-lubricating plain bearing, including bearing housing (1), bearing shell (2), rotating shaft (3) and oil ring (4), it is characterized in that: described bearing housing (1) is internally formed left grease chamber (11), middle grease chamber (12) and right grease chamber (13), the bottom of described left grease chamber (11) and right grease chamber (13) passes sequentially through horn mouth passage (14) and curved channel (15) is connected to two end entrances of radiator (5), the outer wall of described radiator (5) is provided with the interior fin (53) being distributed along its length, radiator (5) bosom place is provided with dividing plate (51), radiator (5) is positioned at dividing plate (51) both sides and respectively sets a flowline (52) stretching into middle grease chamber (12), radiator (5) is positioned at the water tank (6) of bearing housing (1) bottom, described water tank (6) bottom outer wall is provided with outer fin (61), the upper and lower side of water tank (6) is respectively equipped with water inlet pipe (62) and outlet pipe (63), the bottom of described oil ring (4) is stretched in the lubricating oil of middle grease chamber (12), inwall circumference all spreader grooves (7) of oil ring (4), described oil groove (7) includes dovetail groove (71) and the straight trough (72) of connection, the upper base of described dovetail groove (71) is provided with two square straight troughs (72) of symmetry, the left and right inwall of described straight trough (72) respectively sets two and square supports block (73), described is that upper and lower two groups of correspondences are distributed to block (73), near oil ring (4) inwall and be positioned at outside support block (73) and relative another of intersecting with it supports block (73) and is provided with multiple through hole (74) run through up and down, four form long a between block (73), wide b, the square space of high c, long d it is provided with in described square space, wide b, the square asphalt felt (75) of high f, the length d of described asphalt felt (75) deducts the value of a thickness g supporting block (73) more than the length a of square space and arrives the distance i in the relatively distally of supporting block (73) relative with through hole (74) less than through hole (74), the height f of asphalt felt (75) is less than the height c of square space.
2. self-lubricating plain bearing as claimed in claim 1, it is characterised in that: described radiator (5) is coil-type radiator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620148062.1U CN205350103U (en) | 2016-02-26 | 2016-02-26 | Self -lubricating sliding bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620148062.1U CN205350103U (en) | 2016-02-26 | 2016-02-26 | Self -lubricating sliding bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205350103U true CN205350103U (en) | 2016-06-29 |
Family
ID=56179229
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620148062.1U Withdrawn - After Issue CN205350103U (en) | 2016-02-26 | 2016-02-26 | Self -lubricating sliding bearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205350103U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105485183A (en) * | 2016-02-26 | 2016-04-13 | 绍兴文理学院 | Self-lubricating sliding bearing |
| CN113595310A (en) * | 2021-08-04 | 2021-11-02 | 珠海格力电器股份有限公司 | Rotor subassembly and have its motor |
-
2016
- 2016-02-26 CN CN201620148062.1U patent/CN205350103U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105485183A (en) * | 2016-02-26 | 2016-04-13 | 绍兴文理学院 | Self-lubricating sliding bearing |
| CN105485183B (en) * | 2016-02-26 | 2018-03-27 | 绍兴文理学院 | Self-lubricating plain bearing |
| CN113595310A (en) * | 2021-08-04 | 2021-11-02 | 珠海格力电器股份有限公司 | Rotor subassembly and have its motor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20160629 Effective date of abandoning: 20180327 |
|
| AV01 | Patent right actively abandoned |