CN204371929U - Heat radiation sealed bearing - Google Patents
Heat radiation sealed bearing Download PDFInfo
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- CN204371929U CN204371929U CN201420842906.3U CN201420842906U CN204371929U CN 204371929 U CN204371929 U CN 204371929U CN 201420842906 U CN201420842906 U CN 201420842906U CN 204371929 U CN204371929 U CN 204371929U
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Abstract
The utility model discloses a kind of heat radiation sealed bearing, comprise outer ring, inner ring, retainer, ball and seal ring, inner ring is placed in outer ring, retainer and ball are positioned between outer ring and inner ring, seal ring includes portion of basic unit and outer portion, portion of basic unit and outer portion make by soft material, portion of basic unit comprises the first basic unit and the second basic unit, first basic unit is positioned at the side of the corresponding inner ring in outer ring, second basic unit is positioned at the side of the corresponding outer ring of inner ring, skin portion is movably arranged between the first basic unit and the second basic unit, the mutual corresponding side of first basic unit and the second basic unit all offers heat radiation road, skin portion is provided with hasp edge.The utility model makes outer portion move by the principle that air expands with heat and contract with cold and carries out the exchange of air, the heat radiation of bearing is guaranteed, and in the process of heat exchange, by the heavy effect of portion of basic unit, outer portion and filter screen, make bearing to external world the isolation performance of dust appoint and be so guaranteed.
Description
Technical field
The utility model relates to a kind of hardware field, is specifically related to a kind of heat radiation sealed bearing.
Background technique
Bearing to be usually used in the middle of axis transmission structure common parts, the effect of bearing in driven off by shaft process mainly prevent transmission shaft use process in structure in the middle of end face rub, reduce the surface friction drag that transmission shaft is in use suffered, ensure working life and the efficiency of transmission of transmission shaft.Common bearing is by being connected with the inner ring of bearing by transmission shaft, and between inner ring and outer ring, place some balls and retainer, inner ring is driven to rotate by transmission shaft, and outer ring keeps motionless, ball and the logical motion of retainer one is made by the rotation of bearing inner race, rolling friction under same case is compared with sliding friction, and frictional force is less.Thus serve the effect reducing friction.
But general bearing ball and retainer are often arranged in the middle of the gap between outer ring and inner ring, a part for ball and retainer can be exposed in the middle of air.Entering in the middle of the easy like this process using, increasing the force of rolling friction of ball when rolling, the wearing and tearing of ball being aggravated, reduces the working life of bearing.So bearing often can arrange sealing gasket for dust-proof in the process used.Notification number is the Chinese patent of CN203979160U, disclose a kind of bearing of novel sealing structure, this bearing comprises inner ring, is set in the outer ring on inner ring and the ball between outer ring and inner ring, and be sheathed on ball holder, seal ring is between edge, outer ring and inner ring edge, inner ring is fixedly connected with exterior seal ring, outer ring is fixedly connected with inner seal ring, between inner seal ring retainer and exterior seal ring, inner seal ring inside is provided with and keeps circle, keeps circle to be located at inner seal ring one end of close outer ring.Bearing of the present utility model, adopts Double seal ring vibrational power flow, can effectively stop that foreign enters Bearing inner, and stops the oiling agent of Bearing inner to leak outside, and effectively improves working life and the using effect of bearing.The deficiency of this patent is, inside almost seals completely, while ball rotates, the continuous output of heat, and elastic material good seal performance when sealing, internal heat can be caused constantly to accumulate, so not only can the material requirements of retainer be increased, but also the aging of sealing gasket can be accelerated, have impact on the normal use of sealing gasket.
Model utility content
(1) technical problem that will solve
The utility model is that technical solution problem provides a kind of heat radiation sealed bearing can taking into account sealing and heat radiation.
(2) technological scheme
For solving the problem, this use is novel provides a kind of heat radiation sealed bearing, comprise outer ring, inner ring, retainer, ball and seal ring, inner ring is placed in outer ring, retainer and ball are positioned between outer ring and inner ring, seal ring includes portion of basic unit and outer portion, portion of basic unit and outer portion make by soft material, portion of basic unit comprises the first basic unit and the second basic unit, first basic unit is positioned at the side of the corresponding inner ring in outer ring, second basic unit is positioned at the side of the corresponding outer ring of inner ring, skin portion is movably arranged between the first basic unit and the second basic unit, the mutual corresponding side of first basic unit and the second basic unit all offers heat radiation road, skin portion is provided with hasp edge, hasp along be positioned at outer portion away from the side of ball and hasp along covering the first basic unit and the second basic unit away from the side of ball, portion is provided with return unit to skin.
By adopting such scheme, by the first basic unit and the second basic unit and outer portion are fitted, the gap between outer ring and inner ring can be covered, introduced contaminants is intercepted.When bearing is in the process run, create a large amount of due to the friction between all parts, the temperature of Bearing inner is raised, after Bearing inner sealed by seal ring, inner air cannot carry out conducting with outside air, inner air is made to start to expand, the air expanded can be discharged by heat radiation road, due to the stop on hasp edge on heat radiation road, because outer portion is flexibly connected with the first basic unit and the second basic unit, when air expand into a certain degree, can by hasp along outer portion is driven, thus hot air is discharged from heat radiation road, the exchange of line space of going forward side by side gas.Effect that is dust-proof and heat radiation is possessed simultaneously.
And in outer portion, fixing edge is set, heat radiation road can either being avoided to be directly exposed in air, and to affect radiating effect, also can ensureing when dispelling the heat simultaneously, be convenient to air the active force produced due to expansion is applied in outer portion, be convenient to the action in outer portion.In outer portion, be provided with return unit simultaneously, also can make after heat radiation completes, by the effect of return unit, outer portion be resetted fast, avoid entering of extraneous dust.Ensure that the sealability of this heat radiation sealed bearing.
Further, heat radiation road includes ventilation gentle support road, road, the Qie Qicheng road, side that Qi Cheng road is arranged on the corresponding hasp edge of the first basic unit and the second basic unit is positioned at the first basic unit side mutually corresponding with the second basic unit, and ventilation road is positioned at the side of Qi Cheng road correspondence ball and road of taking a breath is arranged towards ball side.
By adopting such scheme, can make air expand after enter in Qi Cheng road by ventilation road, the gas being arranged to expand in Qi Cheng road and the area of contact on hasp edge increase, and are convenient to hasp edge to back down.Also making hasp stressedly become more even along upper simultaneously, avoiding hasp along occurring that because of unbalance stress the jammed situation in side occurs.
Further, edge is provided with fixing edge to hasp, and fixing along being positioned at hasp along the side away from outer portion, fixing edge is arranged towards ball side.
Hasp along on fixing edge is set, the sealing effect of bearing can be made to increase, and be convenient to outer portion and position, prevent outer portion when resetting, occurring situation about misplacing.Simultaneously because bearing is in the process of work, be in relative rotation between inner ring and outer ring, the setting on fixing edge also makes the second basic unit when rotating along with inner ring, places the dislocation of outer portion.
Further, be connected with filter screen between the first basic unit and the second basic unit, filter screen is positioned at the first basic unit and the second basic unit near the side of ball.
Between the first basic unit and the second basic unit, filter screen is set, can make in the process of heat radiation, filter screen also can play the effect intercepting dust, avoids in the process of carrying out heat discharge, and extraneous impurity enters into affects ball work situation in bearing occurs.And filter screen is arranged on the first basic unit and the second basic unit near the side of ball, extraneous impurity can be made by contacting with filter screen after the first basic unit, the second basic unit and outer portion again, reducing the dust adhered to less at filter screen.
Further, the side of return unit is connected on filter screen, and opposite side is connected with outer portion.
By adopting such scheme, return unit is arranged between filter screen and outer portion, space can be utilized preferably, and when can also guarantee that return unit acts in outer portion, better effects if, ensure that the normal reset in outer portion.
Further, portion of basic unit is connected with outer ring and inner ring by viscose glue.
Portion of basic unit is connected by viscose glue with outer ring and inner ring, has both been convenient to the rapid-assembling in portion of basic unit, also make portion of basic unit carry out after being damaged simultaneously, be convenient to portion of basic unit to pull down change.
(3) beneficial effect
The utility model makes outer portion move by the principle that air expands with heat and contract with cold and carries out the exchange of air, the heat radiation of bearing is guaranteed, and in the process of heat exchange, by the heavy effect of portion of basic unit, outer portion and filter screen, make bearing to external world the isolation performance of dust appoint and be so guaranteed.
Accompanying drawing explanation
Fig. 1 is the schematic perspective view of the utility model heat radiation sealed bearing;
Fig. 2 is the floor map of the utility model heat radiation sealed bearing;
Fig. 3 is the A-A generalized section of the utility model heat radiation sealed bearing;
Fig. 4 is the B portion enlarged diagram of the utility model heat radiation sealed bearing.
Reference character: 1, outer ring; 2, inner ring; 3, seal ring; 31, outer portion; 311, hasp edge; 312, fixing edge; 32, portion of basic unit; 321, the second basic unit; 322, the first basic unit; 33, filter screen; 34, dispel the heat road; 341, ventilation road; 342, Qi Cheng road; 4, retainer; 5, ball.
Embodiment
Below in conjunction with accompanying drawing embodiment, the utility model heat radiation sealed bearing is described further.
As shown in Figures 1 to 4, a kind of heat radiation sealed bearing, comprise outer ring 1, inner ring 2, retainer 4, ball 5 and seal ring 3, inner ring 2 is placed in outer ring 1, retainer 4 and ball 5 are positioned between outer ring 1 and inner ring 2, seal ring 3 includes portion of basic unit 32 and outer portion 31, portion of basic unit 32 and outer portion 31 make by soft material, portion of basic unit 32 comprises the first basic unit 322 and the second basic unit 321, first basic unit 322 is positioned at the side of the corresponding inner ring 2 in outer ring 1, second basic unit 321 is positioned at the side of the corresponding outer ring 1 of inner ring 2, skin portion 31 is movably arranged between the first basic unit 322 and the second basic unit 321, the mutual corresponding side of first basic unit 322 and the second basic unit 321 all offers heat radiation road 34, heat radiation road 34 includes ventilation gentle support road 342, road 341, Qi Cheng road 342 is arranged on the first basic unit 322 and the second corresponding hasp of the basic unit 321 Qie Qicheng road, side 342 along 311 and is positioned at the first basic unit 322 side mutually corresponding with the second basic unit 321, ventilation road 341 be positioned at the corresponding ball 5 in Qi Cheng road 342 side and ventilation road 341 arrange towards ball 5 side.Skin portion 31 is provided with hasp along 311, hasp is positioned at outer portion 31 away from the side of ball 5 and hasp covers on the first basic unit 322 and the second side of basic unit 321 away from ball 5 along 311 along 311, hasp is fixing along 312 along being provided with on 311, fixing be positioned at hasp along 311 away from the side in outer portion 31 along 312, fixingly arrange along 312 towards ball 5 side.Skin portion 31 is provided with return unit (not marking in figure).
In the process that bearing runs, because the friction between all parts causes the generation of heat, the air of Bearing inner is made to start to expand, the air expanded can enter in the middle of Qi Cheng road 342 by the ventilation road 341 on heat radiation road 34, and accumulation in the middle of Qi Cheng road 342 slowly, during air overexpansion in the middle of Qi Cheng road 342, because the first basic unit 322 and the second basic unit 321 are fixed, gas can only by active force effect and hasp along on 311, hasp is subject to the active force of gas along 311, can move towards away from ball 5 side, simultaneously hasp is along 311 move and also can make outer portion 31 moving together.When hasp is backed down along 311 by gas, there will be gap, now air can outwards overflow, and carries out the exchange of heat.When gas temperature declines, hasp loses the strength of support along 311, and outer portion 31 can retract by return unit (being preferably spring herein), and hasp is covered in the first basic unit 322 and the second basic unit 321 again along 311.
And between the first basic unit 322 and the second basic unit 321, filter screen 33 is set, can make in the process of heat radiation, filter screen 33 also can play the effect intercepting dust, avoids in the process of carrying out heat discharge, and extraneous impurity enters in bearing the situation appearance affecting ball 5 and work.And filter screen 33 is arranged on the first basic unit 322 and the second basic unit 321 near the side of ball 5, extraneous impurity can be made to be contacted with filter screen 33 more afterwards with outer portion 31 by the first basic unit 321 of basic unit 322, second, reduce the dust in the few attachment of filter screen 33.And the side of return unit is connected on filter screen 33, opposite side is connected with outer portion 31, can utilize space preferably, and when can also guarantee that return unit acts in outer portion 31, better effects if, ensure that the normal reset in outer portion 31.
It should be noted that herein, portion of basic unit 32 and outer portion 31 all adopt isoprene rubber to make, because the heat resistanceheat resistant performance of isoprene rubber and friction resistant better performances, due to due to bearing work process in, be in relative rotation between inner ring 2 and outer ring 1, adopt isoprene rubber that the time used can be made greatly to extend.The fixing setting along 312 also makes the second basic unit 321 when rotating along with inner ring 2, places outer portion 31 and misplaces.Portion of basic unit 32 is connected by viscose glue with outer ring 1 and inner ring 2, has both been convenient to the rapid-assembling in portion of basic unit 32, also make portion of basic unit 32 carry out after being damaged simultaneously, be convenient to portion of basic unit 32 to pull down change.
The above is only preferred implementation of the present utility model, protection domain of the present utility model be not only confined to above-described embodiment, and all technological schemes belonged under the utility model thinking all belong to protection domain of the present utility model.It should be pointed out that for those skilled in the art, do not departing from the some improvements and modifications under the utility model principle prerequisite, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (6)
1. a heat radiation sealed bearing, comprise outer ring (1), inner ring (2), retainer (4), ball (5) and seal ring (3), described inner ring (2) is placed in outer ring (1), described retainer (4) and ball (5) are positioned between outer ring (1) and inner ring (2), it is characterized in that: described seal ring (3) includes portion of basic unit (32) and outer portion (31), portion of described basic unit (32) and outer portion (31) are made by soft material, portion of described basic unit (32) comprises the first basic unit (322) and the second basic unit (321), described first basic unit (322) is positioned at the side of outer ring (1) corresponding inner ring (2), described second basic unit (321) is positioned at the side of inner ring (2) corresponding outer ring (1), described outer portion (31) is movably arranged between the first basic unit (322) and the second basic unit (321), the mutual corresponding side of described first basic unit (322) and the second basic unit (321) all offers heat radiation road (34), described outer portion (31) is provided with hasp along (311), described hasp is positioned at outer portion (31) away from the side of ball (5) and hasp covers on the first basic unit (322) and the second basic unit (321) side away from ball (5) along (311) along (311), described outer portion (31) is provided with return unit.
2. heat radiation sealed bearing as claimed in claim 1, it is characterized in that: described heat radiation road (34) includes ventilation road (341) gentle support road (342), the Qie Qicheng road, side (342) that described Qi Cheng road (342) is arranged on the first basic unit (322) and the second basic unit (321) corresponding hasp edge (311) is positioned at the first basic unit (322) side mutually corresponding with the second basic unit (321), described ventilation road (341) be positioned at Qi Cheng road (342) corresponding ball (5) side and ventilation road (341) arrange towards ball (5) side.
3. heat radiation sealed bearing as claimed in claim 2, it is characterized in that: described hasp is provided with fixing along (312) on (311), described fixing edge (312) is positioned at the side of hasp edge (311) away from outer portion (31), and described fixing edge (312) is arranged towards ball (5) side.
4. heat radiation sealed bearing as claimed in claim 3, it is characterized in that: be connected with filter screen (33) between described first basic unit (322) and the second basic unit (321), described filter screen (33) is positioned at the side of the close ball (5) of the first basic unit (322) and the second basic unit (321).
5. heat radiation sealed bearing as claimed in claim 4, is characterized in that: the side of described return unit is connected on filter screen (33), and opposite side is connected with outer portion (31).
6. heat radiation sealed bearing as claimed in claim 5, is characterized in that: portion of described basic unit (32) are connected with outer ring (1) and inner ring (2) by viscose glue.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420842906.3U CN204371929U (en) | 2014-12-25 | 2014-12-25 | Heat radiation sealed bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420842906.3U CN204371929U (en) | 2014-12-25 | 2014-12-25 | Heat radiation sealed bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204371929U true CN204371929U (en) | 2015-06-03 |
Family
ID=53328151
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420842906.3U Active CN204371929U (en) | 2014-12-25 | 2014-12-25 | Heat radiation sealed bearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204371929U (en) |
-
2014
- 2014-12-25 CN CN201420842906.3U patent/CN204371929U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190718 Address after: 315000 Chaoyang Road 218, Langxia Street, Yuyao City, Ningbo City, Zhejiang Province Patentee after: Ningbo Ruichi Technology Co., Ltd. Address before: 315480 Chaoyang Road 218, Langxia Street, Yuyao City, Ningbo City, Zhejiang Province Patentee before: NINGBO RUICHI MACHINERY CO., LTD. |