CN205225831U - Fan vibration absorbing shaft - Google Patents
Fan vibration absorbing shaft Download PDFInfo
- Publication number
- CN205225831U CN205225831U CN201521052276.0U CN201521052276U CN205225831U CN 205225831 U CN205225831 U CN 205225831U CN 201521052276 U CN201521052276 U CN 201521052276U CN 205225831 U CN205225831 U CN 205225831U
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- CN
- China
- Prior art keywords
- flange
- rubber ring
- groove
- bead
- elastic axis
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- 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- Withdrawn - After Issue
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- Vibration Prevention Devices (AREA)
Abstract
The utility model discloses a fan vibration absorbing shaft, including first flange and second flange, adopt the shaft hole to connect between first flange and the second flange, still be equipped with the rubber circle that prevents both rigid connection between the two, first flange and rubber circle between, the second flange is equipped with unsmooth cooperation structure with rubber between enclosing respectively, the rubber circle is equipped with the structure that prevents its axial and deviate from. The utility model discloses a fan vibration absorbing shaft, its simple structure, simple to operate, the damping is effectual, can transmit bigger moment of torsion to the condition that rubber is deviate from or even is damaged can not take place.
Description
Technical field
The utility model relates to engine cooling field, particularly relates to a kind of fan elastic axis.
Background technique
Fan driving shaft is fixed between motor head and fan, and fan is rotated with engine crankshaft, thus fan is cooled motor.For reduce engine crankshaft moment torsional oscillation inertial force to the damaged condition of the parts such as construction bolt, need the rubber ring having increased vibration-damping function on fan shaft.Fan shaft structure at present for vibration damping mainly contains two kinds, a kind of is that shock-reducing rubber adopts the thin rubber circle the same with pulley damper structure, another kind adopts screw outer ring flange and shock-reducing rubber to be fixed, shock-reducing rubber has boss, inner ring flange has shrinkage pool, shock-reducing rubber and inner ring flange are connected by boss and shrinkage pool, are similar to bearing pin mode.Existing scheme effectiveness in vibration suppression is poor, and dismounting difficulty, can not axially locating, shock absorber rubber often occurs and deviates to damage fault.
Model utility content
The purpose of this utility model is to provide a kind of fan elastic axis, and its structure is simple, and easy for installation, good damping result, can transmit more high pulling torque, and rubber can not occur deviates from and situation about damaging.
For achieving the above object, the utility model provides a kind of fan elastic axis, comprises the first flange and the second flange; Axis hole is adopted to connect between described first flange and the second flange, also be provided with between the two and prevent both rigidly connected rubber rings, between the first described flange and rubber ring, be respectively equipped with concave-convex fit structure between the second flange and rubber ring, described rubber ring is provided with the structure preventing it from axially deviating from.
As further improvement of the utility model, described first flange is provided with mounting hole, and described second flange is provided with installation shaft, and described rubber ring is arranged between described mounting hole and installation shaft.
Further improve as of the present utility model, the exterior edge face of one end of described rubber ring and second flange the same side is provided with the shaft shoulder, and the described shaft shoulder is between the first flange and the axial surface of contact of the second flange.
Further improve as of the present utility model, the mounting hole inwall of described first flange is provided with along its first axially through bead, on the outer ring of described rubber ring, the part of being inserted in the mounting hole of the first flange is provided with along its first axially through groove, described first bead and the first fit depressions; The installation shaft outer wall of described second flange, the part of being inserted in rubber ring are provided with along its second axially through bead, and the inwall of described rubber ring is provided with along its second axially through groove, described second bead and the second fit depressions.
Further improve as of the present utility model, the quantity of described first bead, the second bead is two and arranges along the axisymmetrical of the first flange and the second flange respectively; The quantity of described first groove and the second groove is two and axisymmetrical along rubber ring is arranged.
Further improve as of the present utility model, the line of described two the first groove geometrical centers is mutually vertical with the line of two the second groove geometrical centers.
Further improve as of the present utility model, the described structure preventing rubber ring from axially deviating from comprises the limiting stopper in the installation shaft being arranged on the second flange and is arranged on the pressing plate of the first flange side, and the first flange and rubber ring are pressed between itself and described limiting stopper by described pressing plate.
Further improve as of the present utility model, described first flange and the second flange are ironcasting; Described rubber ring is ethylene propylene diene rubber, and the hardness of described ethylene propylene diene rubber is 65 ± 5HA; Described pressing plate is structure steel material.
Beneficial effect
Compared with prior art, fan elastic axis of the present utility model has following beneficial effect:
1, adopt axis hole Placement between the first flange and the second flange, be also provided with rubber ring between both persons, rubber ring plays cushioning effect, can effectively reduce engine crankshaft moment torsional oscillation inertial force to the damaged condition of the parts such as construction bolt;
The shaft shoulder on the exterior edge face of 2, rubber ring one end can when the first flange and the assembling of the second flange, the shaft shoulder of rubber ring is allowed to be crushed between the first flange and the axial surface of contact of the second flange, avoid the rigid contact of both axial surface of contact, strengthen damping effect further;
3, the first bead on the first flange mounting hole inwall and the first fit depressions on rubber ring outer wall, the second bead on second flange installation shaft outer wall and the second fit depressions on rubber ring inwall, can effectively prevent rubber ring at its axial sliding movement of spaced winding of the first flange and the second flange, can transmitting torque large, and this layout can strengthen damping effect;
4, the quantity of the first bead, the second bead, the first groove, the second groove is two and is and is arranged symmetrically with, and mass distribution is more reasonable, thus reduces Oscillation Amplitude when rotating, and it can increase by transmitting torque further, and damping effect strengthens further;
5, the line of two the first groove geometrical centers is mutually vertical with the line of two the second groove geometrical centers, and can further increase by transmitting torque, damping effect further strengthens;
First flange and rubber ring can be pressed between the two by the limiting stopper 6, in the second flange installation shaft and the pressing plate being positioned at the first flange side jointly, prevent rubber ring from deviating from vertically.
By following description also by reference to the accompanying drawings, the utility model will become more clear, and these accompanying drawings are for explaining embodiment of the present utility model.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technological scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of fan elastic axis of the present utility model;
Fig. 2 is the axial sectional view of fan elastic axis of the present utility model;
Fig. 3 is the transverse sectional view of fan elastic axis of the present utility model;
Fig. 4 is the second flange stereogram of fan elastic axis of the present utility model;
Fig. 5 is the rubber ring stereogram of fan elastic axis of the present utility model;
Fig. 6 is the first flange stereogram of fan elastic axis of the present utility model.
In figure, the 1, first flange; 2, rubber ring; 3, pressing plate; 4, packing ring; 5, bolt; 6, the second flange; 7, the first bead; 8, the second bead; 9, the first groove; 10 second grooves; 11, limiting stopper; 12, the shaft shoulder.
Embodiment
With reference now to accompanying drawing, embodiment of the present utility model is described.
Embodiment 1
Embodiment of the present utility model as shown in Figures 1 to 6, is a kind of fan elastic axis, comprises the first flange 1 and the second flange 6; Axis hole is adopted to connect between first flange 1 and the second flange 6, also be provided with between the two and prevent both rigidly connected rubber rings 2, be respectively equipped with concave-convex fit structure between first flange 1 and rubber ring 2, between the second flange 6 and rubber ring 2, rubber ring 2 is provided with the structure preventing it from axially deviating from.
First flange 1 is provided with mounting hole, second flange 6 is provided with installation shaft, rubber ring 2 is arranged between mounting hole and installation shaft, and wherein rubber ring 2 plays cushioning effect, can effectively reduce engine crankshaft moment torsional oscillation inertial force to the damaged condition of the parts such as construction bolt.
The exterior edge face of one end of rubber ring 2 and second flange 6 the same side is provided with a shaft shoulder 12, and this shaft shoulder 12 is crushed between the first flange 1 and the axial surface of contact of the second flange 6, avoids the rigid contact of both axial surface of contact, strengthens damping effect further.
The mounting hole inwall of the first flange 1 is provided with along its first axially through bead 7, and on the outer ring of rubber ring 2, the part of being inserted in the mounting hole of the first flange 1 is provided with along it that axially the first through groove 9, first bead 7 and the first groove 9 match; The installation shaft outer wall of the second flange 6, the part of being inserted in rubber ring 2 are provided with along its second axially through bead 8, the inwall of rubber ring 2 be provided with along its axially the second through groove 10, second bead 8 match with the second groove 10.This concave-convex fit structure can effectively prevent rubber ring 2 at its axial sliding movement of spaced winding of the first flange 1 and the second flange 6, can transmitting torque large, and can damping effect be strengthened.
The quantity of the first bead 7, second bead 8 is two and arranges along the axisymmetrical of the first flange 1 and the second flange 6 respectively, the quantity of the first groove 9 and the second groove 10 is two and axisymmetrical along rubber ring 2 is arranged, mass distribution is more reasonable, thus the Oscillation Amplitude reduced when rotating, the transferable moment of torsion of further increase, strengthens damping effect further.
The line of two the first groove 9 geometrical centers is mutually vertical with the line of two the second groove 10 geometrical centers, further increases transferable moment of torsion, further strengthens damping effect.
The structure preventing rubber ring 2 from axially deviating from comprises the limiting stopper 11 in the installation shaft being arranged on the second flange 6 and is arranged on the pressing plate 3 of the first flange 1 side, first flange 1 and rubber ring 2 are pressed between itself and limiting stopper 11 by two groups of bolts 5 and packing ring 4 by pressing plate 3, and wherein two bolts 5 are threaded with two the second beads 8 on the second flange 6 respectively.This structure can prevent rubber ring 2 from deviating from vertically.
In above embodiment, the first flange 1 and the second flange 6 are ironcasting; Rubber ring 2 is ethylene propylene diene rubber, and its hardness is 65 ± 5HA, and ageing-resistant performance is good, impact elasticity is better, damping effect is good; Pressing plate 3 is structure steel material.
More than in conjunction with most preferred embodiment, the utility model is described, but the utility model is not limited to the embodiment of above announcement, and should contain various carry out according to essence of the present utility model amendment, equivalent combinations.
Claims (8)
1. a fan elastic axis, comprises the first flange (1) and the second flange (6); Axis hole is adopted to connect between described first flange (1) and the second flange (6), also be provided with between the two and prevent both rigidly connected rubber rings (2), it is characterized in that, between described the first flange (1) and rubber ring (2), be respectively equipped with concave-convex fit structure between the second flange (6) and rubber ring (2), described rubber ring (2) is provided with the structure preventing it from axially deviating from.
2. a kind of fan elastic axis according to claim 1, it is characterized in that, described first flange (1) is provided with mounting hole, and described second flange (6) is provided with installation shaft, and described rubber ring (2) is arranged between described mounting hole and installation shaft.
3. a kind of fan elastic axis according to claim 2, it is characterized in that, described rubber ring (2) is provided with the shaft shoulder (12) with the exterior edge face of one end of the second flange (6) the same side, and the described shaft shoulder (12) is positioned between the axial surface of contact of the first flange (1) and the second flange (6).
4. a kind of fan elastic axis according to Claims 2 or 3, it is characterized in that, the mounting hole inwall of described first flange (1) is provided with along its axially through the first bead (7), on the outer ring of described rubber ring (2), the part of being inserted in the mounting hole of the first flange (1) is provided with along its axially through the first groove (9), and described first bead (7) and the first groove (9) match; The installation shaft outer wall of described second flange (6), the part of being inserted in rubber ring (2) are provided with along its axially through the second bead (8), the inwall of described rubber ring (2) is provided with along its axially through the second groove (10), and described second bead (8) is matched with the second groove (10).
5. a kind of fan elastic axis according to claim 4, it is characterized in that, the quantity of described first bead (7), the second bead (8) is two and arranges along the axisymmetrical of the first flange (1) and the second flange (6) respectively; The quantity of described first groove (9) and the second groove (10) is two and axisymmetrical along rubber ring (2) is arranged.
6. a kind of fan elastic axis according to claim 5, is characterized in that, the line of described two the first groove (9) geometrical centers is mutually vertical with the line of two the second groove (10) geometrical centers.
7. a kind of fan elastic axis according to Claims 2 or 3 or 5 or 6, it is characterized in that, the described structure preventing rubber ring from axially deviating from comprises the limiting stopper (11) in the installation shaft being arranged on the second flange (6) and is arranged on the pressing plate (3) of the first flange (1) side, and the first flange (1) and rubber ring (2) are pressed between itself and described limiting stopper (11) by described pressing plate (3).
8. a kind of fan elastic axis according to claim 7, is characterized in that, described first flange (1) and the second flange (6) are ironcasting; Described rubber ring (2) is ethylene propylene diene rubber, and the hardness of described ethylene propylene diene rubber is 65 ± 5HA; Described pressing plate (3) is structure steel material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521052276.0U CN205225831U (en) | 2015-12-16 | 2015-12-16 | Fan vibration absorbing shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521052276.0U CN205225831U (en) | 2015-12-16 | 2015-12-16 | Fan vibration absorbing shaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205225831U true CN205225831U (en) | 2016-05-11 |
Family
ID=55900900
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521052276.0U Withdrawn - After Issue CN205225831U (en) | 2015-12-16 | 2015-12-16 | Fan vibration absorbing shaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205225831U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105402158A (en) * | 2015-12-16 | 2016-03-16 | 广西玉柴机器股份有限公司 | Fan shock absorption shaft |
| CN114183476A (en) * | 2021-12-15 | 2022-03-15 | 江苏徐工工程机械研究院有限公司 | Coupling and mechanical system |
-
2015
- 2015-12-16 CN CN201521052276.0U patent/CN205225831U/en not_active Withdrawn - After Issue
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105402158A (en) * | 2015-12-16 | 2016-03-16 | 广西玉柴机器股份有限公司 | Fan shock absorption shaft |
| CN105402158B (en) * | 2015-12-16 | 2018-09-25 | 广西玉柴机器股份有限公司 | A kind of fan elastic axis |
| CN114183476A (en) * | 2021-12-15 | 2022-03-15 | 江苏徐工工程机械研究院有限公司 | Coupling and mechanical system |
| CN114183476B (en) * | 2021-12-15 | 2022-12-09 | 江苏徐工工程机械研究院有限公司 | Coupling and mechanical system |
| EP4198331A1 (en) * | 2021-12-15 | 2023-06-21 | Jiangsu XCMG Construction Machinery Research Institute Ltd. | Coupling and mechanical system |
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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 | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20160511 Effective date of abandoning: 20180925 |