CN109340349A - A kind of damper pulley of spring friction catch - Google Patents
A kind of damper pulley of spring friction catch Download PDFInfo
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- CN109340349A CN109340349A CN201811227072.4A CN201811227072A CN109340349A CN 109340349 A CN109340349 A CN 109340349A CN 201811227072 A CN201811227072 A CN 201811227072A CN 109340349 A CN109340349 A CN 109340349A
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- spring
- damping
- friction catch
- ball bearing
- friction
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- 238000013016 damping Methods 0.000 claims abstract description 89
- 239000004519 grease Substances 0.000 claims description 23
- 238000005452 bending Methods 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 18
- 238000004519 manufacturing process Methods 0.000 description 5
- 230000007704 transition Effects 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H55/00—Elements with teeth or friction surfaces for conveying motion; Worms, pulleys or sheaves for gearing mechanisms
- F16H55/32—Friction members
- F16H55/36—Pulleys
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Pulleys (AREA)
Abstract
The present invention relates to the damper pulleys of spring friction catch, including belt hub, mandrel, damping spring, friction catch spring, friction immobilisation circle, the first ball bearing, the second ball bearing, damping brake bracket, connection frame and locating ring, mandrel has flange portion and axis body portion, damping spring, damping brake bracket, connection frame, the first ball bearing, locating ring are successively sheathed on except axis body portion, damping spring one end is resisted against flange portion, and the damping spring other end is resisted against damping brake bracket；Matched between damping brake bracket and connection frame using concaveconvex structure；Friction catch spring pocket is set to damping brake bracket, and the both ends of friction catch spring are born against in connection frame and the second ball bearing；Friction immobilisation snare is set to friction catch spring, and friction immobilisation circle and belt hub are interference fitted；Second ball bearing is sheathed on the flange portion of mandrel, the space washer limit that the second ball bearing is embedded in belt hub inner wall by one.The configuration of the present invention is simple, convenient for being widely popularized.
Description
Technical field
The invention belongs to automobile current generator belt hub technical fields, and in particular to a kind of damping of spring friction catch
Belt pulley.
Background technique
Single-way belt pulley of automobile generator hub is derived from Germany, oneself through being answered extensively by some superior automobiles in the world at present
With.The main function of single-way belt pulley of automobile generator hub is: one, reducing front end wheel train and be tensioned fluctuation, improve front end wheel train
Each part life；Two, the fluctuation of speed for reducing front end wheel train, reduces the noise of front end wheel train；Three, reverse impact is avoided, is had
Effect protection generator；Four, energy consumption caused by generator reversion is reduced, it is energy saving.Wherein, the unidirectional belt of automobile current generator
The biggest advantage of wheel hub is, when belt conveyer work, it is possible to reduce vibration and fluctuating especially change in revolving speed
When change, noise when working by belt connecting accessory is reduced, reduces the vibration of belt system generation, reduces electric current
Fluctuation, extends the service life of belt and the service life of dynamo governor.It can make generator (matter in attachment rotation system
Measure maximum) (may there was only some thousandths of second) in crankshaft deceleration and released from twisting vibration and comes out, to make torque drop.
For example, the patent document of Publication No. CN103363064B discloses the unidirectional couplings damping skin of spring friction catch
Belt wheel, including mandrel, mandrel protrude into belt hub hub, and belt hub hub wall is pressed into friction immobilisation circle, positioning sleeve, mandrel it is outer
Diameter forms bulge loop, and bulge loop has step；Mandrel housing washer, washer form step；Mandrel housing damping spring, damping spring one
The crown peaks at the step of bulge loop in the bulge loop of mandrel, the end face of this；The another crown of damping spring is peaked in washer, the end face of this
The step of washer；Washer housing and the Frictional Slipping circle that is rotatably assorted；Friction spring is coated at damping spring, friction spring one dress
Enter in Frictional Slipping circle, other end is packed into friction immobilisation circle, the outer wall and positioning sleeve clearance fit of Frictional Slipping circle；Friction stops
Outer diameter of the internal diameter of moving-coil and Frictional Slipping circle than friction spring is small, to increase tension force of spring；Friction spring stops with friction
Moving-coil, Frictional Slipping circle are by friction lock, and friction spring can be separated alternately with friction immobilisation circle, Frictional Slipping circle.
Above-mentioned unidirectional couplings damper pulley has the following disadvantages: one, needing to open up spill card in threaded mandrel
Slot, manufacturing process are complicated；Two, the part assembled is more, and assemble flow is complicated；Three, structure is complicated, manufacturing cost is high, it is difficult to wide
General popularization.
Therefore, this field needs to optimize the structure of damper pulley.
Summary of the invention
Aiming at the above shortcomings existing in the prior art, the present invention provides a kind of damper pulley of spring friction catch.
In order to achieve the above object of the invention, the invention adopts the following technical scheme:
A kind of damper pulley of spring friction catch, including belt hub and the mandrel being installed in belt hub,
Damping spring, friction catch spring, friction immobilisation circle, the first ball bearing and the second ball bearing, the mandrel have flange
Portion and axis body portion, the damper pulley further include damping brake bracket, connection frame and locating ring；The damping spring, damping system
Moving frame, connection frame, the first ball bearing, locating ring are successively sheathed on except the axis body portion of mandrel, one end of damping spring against
In the flange portion of mandrel, the other end of damping spring is resisted against damping brake bracket；It is adopted between the damping brake bracket and connection frame
Matched with concaveconvex structure；The friction catch spring pocket is set to except damping brake bracket, and the both ends of friction catch spring are supported respectively
It is against connection frame and the second ball bearing；The friction immobilisation snare is set to except friction catch spring, the friction immobilisation circle
It is interference fitted with belt hub；Second ball bearing is sheathed on except the flange portion of mandrel, and second ball bearing passes through one
It is embedded in the space washer limit of belt hub inner wall.
Preferably, the axis body portion of the mandrel include flange portion one end extend linkage section, interlude and from
By section, the outer diameter of the linkage section is greater than the outer diameter of interlude, and the outer diameter of the interlude is greater than the outer diameter of free segment；It is described to subtract
It shakes spring pocket to be set to except linkage section, the damping brake bracket and connection frame are sheathed on except interlude, the first ball axis
It holds and is sheathed on except free segment with locating ring.
Preferably, the flange portion of the mandrel and damping spring against end face there is the first helicoid and first
Positioning step, first positioning step are used for against the end face of damping spring spring silk.
Preferably, the damping brake bracket and damping spring against end face be the second helicoid and the second positioning
Step, second positioning step are used for against the other end of damping spring spring silk.
Preferably, the damping brake bracket is hollow convex coil structures, including main part and lug boss, described second
Helicoid and the second positioning step are respectively positioned in main part, the interlude in the axis body portion of the internal diameter of the lug boss and the mandrel
Crest clearance cooperation；The friction catch spring pocket is set to except the main part of damping brake bracket.
Preferably, the friction catch spring includes spring coil and bending part, the main part of the damping brake bracket
With the mounting groove with the matching of the bending part of friction catch spring.
Preferably, the connection frame is hollow convex coil structures, including main part and lug boss, the internal diameter of main part
Match with the outer diameter of the lug boss of damping brake bracket, the outer diameter of main part is greater than the outer diameter of the main part of damping brake bracket and is less than
The outer diameter of friction catch spring.
Preferably, a third ball bearing is arranged except the lug boss of the connection frame, third ball bearing
Two sides bear against the main part of the first ball bearing and connection frame；The internal diameter phase of the outer diameter of third ball bearing and belt hub
Match.
Preferably, the first grease proofing gasket is equipped between the third ball bearing and one end of friction immobilisation circle；
The second grease proofing gasket is equipped between second ball bearing and the other end of friction immobilisation circle.
Preferably, the inner wall of the belt hub has the limiting slot to match with space washer, the locating pad
Circle is embedded in limiting slot；The flange portion clearance fit of the space washer and mandrel.
Compared with prior art, the present invention beneficial effect is: the damper pulley of spring friction catch of the invention is not necessarily to
Concave card slot is opened up in threaded mandrel, manufacturing process is simple；The part of assembling is less, and assembly efficiency is high；Reliable transmission, use
Service life is long, structure is simple, manufacturing cost is low, convenient for being widely popularized.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the damper pulley of the spring friction catch of the embodiment of the present invention one；
Fig. 2 is the structural schematic diagram of the mandrel of the damper pulley of the spring friction catch of the embodiment of the present invention one；
Fig. 3 is that the structure of another state of the mandrel of the damper pulley of the spring friction catch of the embodiment of the present invention one is shown
It is intended to；
Fig. 4 is the structural schematic diagram of the damping spring of the damper pulley of the spring friction catch of the embodiment of the present invention one；
Fig. 5 is the knot of another state of the damping spring of the damper pulley of the spring friction catch of the embodiment of the present invention one
Structure schematic diagram；
Fig. 6 is the structural representation of the damping brake bracket of the damper pulley of the spring friction catch of the embodiment of the present invention one
Figure；
Fig. 7 is another state of the damping brake bracket of the damper pulley of the spring friction catch of the embodiment of the present invention one
Structural schematic diagram；
Fig. 8 is the structural representation of the friction catch spring of the damper pulley of the spring friction catch of the embodiment of the present invention one
Figure；
Fig. 9 is another state of the friction catch spring of the damper pulley of the spring friction catch of the embodiment of the present invention one
Structural schematic diagram；
Figure 10 is the structural representation of the friction immobilisation circle of the damper pulley of the spring friction catch of the embodiment of the present invention one
Figure；
Figure 11 is another state of the friction immobilisation circle of the damper pulley of the spring friction catch of the embodiment of the present invention one
Structural schematic diagram；
Figure 12 is the structural schematic diagram of the connection frame of the damper pulley of the spring friction catch of the embodiment of the present invention one；
Figure 13 is the knot of another state of the connection frame of the damper pulley of the spring friction catch of the embodiment of the present invention one
Structure schematic diagram；
Figure 14 is that the structure of the first grease proofing gasket of the damper pulley of the spring friction catch of the embodiment of the present invention one is shown
It is intended to；
Figure 15 is another shape of the first grease proofing gasket of the damper pulley of the spring friction catch of the embodiment of the present invention one
The structural schematic diagram of state；
Figure 16 is that the structure of the second grease proofing gasket of the damper pulley of the spring friction catch of the embodiment of the present invention one is shown
It is intended to；
Figure 17 is another shape of the second grease proofing gasket of the damper pulley of the spring friction catch of the embodiment of the present invention one
The structural schematic diagram of state；
Figure 18 is the structural schematic diagram of the space washer of the damper pulley of the spring friction catch of the embodiment of the present invention one；
Figure 19 is another state of the space washer of the damper pulley of the spring friction catch of the embodiment of the present invention one
Structural schematic diagram；
Figure 20 is the structural schematic diagram of the locating ring of the damper pulley of the spring friction catch of the embodiment of the present invention one；
Figure 21 is the knot of another state of the locating ring of the damper pulley of the spring friction catch of the embodiment of the present invention one
Structure schematic diagram；
Figure 22 is the structural schematic diagram of the belt hub of the spring friction catch of the embodiment of the present invention one；
Figure 23 is the structural schematic diagram of the damper pulley of the spring friction catch of the embodiment of the present invention two；
Figure 24 is the structural schematic diagram of the connection frame of the damper pulley of the spring friction catch of the embodiment of the present invention two.
Specific embodiment
In order to illustrate the embodiments of the present invention more clearly, Detailed description of the invention a specific embodiment of the invention will be compareed below.
It should be evident that drawings in the following description are only some embodiments of the invention, those of ordinary skill in the art are come
It says, without creative efforts, is also possible to obtain other drawings based on these drawings, and obtain other real
Apply mode.In addition, the direction term being previously mentioned in following embodiment, such as: it is left and right etc., it is only the direction with reference to attached drawing.Cause
This, the direction term used is intended to be illustrative and not intended to limit the present invention.
Embodiment one:
As shown in Figure 1-22, the damper pulley of the spring friction catch of the present embodiment, including mandrel 1, damping spring 2,
Damping brake bracket 3, friction catch spring 4, friction immobilisation circle 5, connection frame 6, the first grease proofing gasket 7, the second grease proofing gasket 8,
Two ball bearings 9, third ball bearing 10, space washer 11, the first ball bearing 12, locating ring 13 and belt hub 14.
As shown in Fig. 2, mandrel 1 has flange portion 1-9 and axis body portion, the left side of flange portion 1-8 has the first helicoid,
First helicoid has initial position 1-2 and final position 1-3, and the left side of flange portion 1-8 also has the first positioning step 1-
1.The axis body portion of mandrel 1 includes linkage section 1-4, interlude 1-5 and the free segment 1-6 that the left end of flange portion 1-9 extends to the left, even
The outer diameter for meeting section 1-4 is greater than the outer diameter of interlude 1-5, and the outer diameter of interlude 1-5 is greater than the outer diameter of free segment 1-6.Damping spring
2, damping brake bracket 3, connection frame 6, the first grease proofing gasket 7, third ball bearing 10, the first ball bearing 12, locating ring 13 according to
Except the secondary axis body portion for being sleeved on mandrel；Specifically, damping spring 2 is set in except the linkage section 1-4 in the axis body portion of mandrel, is subtracted
The right end of shake spring 2 is resisted against the left side of the flange portion 1-9 of mandrel, and damping brake bracket 3 is sleeved in the axis body portion of mandrel
Between except section 1-5, so that the left end of damping spring 2 be made to be resisted against the right side of damping brake bracket 3.Wherein, as shown in Figures 4 and 5, subtract
Shake spring 2 is rolled by square steel wire, and square steel wire has the characteristics that elastic torque is big, small in size；Damping spring 2 has a left side
There is left spring silk end face 2-2, right part 2-3 to have right spring silk end face 2-4 by end 2-1 and right part 2-3, left part 2-1.Such as figure
Shown in 6 and 7, damping brake bracket 3 is hollow convex coil structures, including main part and lug boss, and the inner cavity of main part has the second spiral shell
Radial facing 3-2 and the second positioning step 3-1, the second helicoid 3-2 is towards right side and has initial position 3-3；The internal diameter of lug boss
The crest clearance of the interlude 1-5 in the axis body portion of 3-5 and mandrel cooperates.The right part 2-3 of damping spring is resisted against the method for mandrel
On first helicoid in blue portion, and the right spring silk end face 2-4 of damping spring prevents damping spring 2 against the first positioning step 1-1
It is moved relative to mandrel 1；The left part 2-1 of damping spring 2 is resisted against on the second helicoid 3-2 of damping brake bracket, and damping
The left spring silk end face 2-2 of spring prevents damping spring 2 from moving relative to damping brake bracket 3 against the second positioning step 3-1.
In addition, as shown in fig. 7, the end face that the main part of damping brake bracket 3 is connect with lug boss offers mounting groove 3-7,
Mounting groove 3-7 is for installing friction catch spring 4.Specifically, as shown in FIG. 8 and 9, friction catch spring 4 include spring coil 4-1 and
The bending part 4-2 of bending part 4-2, friction catch spring are inlaid in the mounting groove 3-7 of damping brake bracket, friction catch spring
Spring coil 4-1 is disposed around on the main part of damping brake bracket and extends right up to the outside of damping spring.As shown in FIG. 10 and 11, it rubs
Wiping stopper ring 5 is hollow toroidal ring structure, and the internal diameter 5-2 of friction immobilisation circle and the outer diameter of friction catch spring 4 match, so that friction
Stopper ring 5 is sleeved on except friction catch spring 4；The first inner hole 14-1's of the outer diameter 5-1 and belt hub of friction immobilisation circle
Size matches, so that friction immobilisation circle 5 is mounted in belt hub.The right end of friction immobilisation circle 5 and the right side of friction catch spring 4
End flushes, and the right end of friction immobilisation circle 5 and friction catch spring 4 is against the second grease proofing gasket 8 of installation, as shown in FIG. 16 and 17,
Second grease proofing gasket 8 is toroidal ring structure, the size phase of the second inner hole 14-2 of the outer diameter and belt hub of the second grease proofing gasket 8
Match, and the size of the second inner hole 14-2 of belt hub is greater than the size of the first inner hole 14-1.In the second inner hole of belt hub
Second ball bearing 9 is installed, the second ball bearing 9 is sleeved on the flange portion 1-9 of mandrel, the second ball bearing 9 in 14-2
Left side is limited against the right side of the second grease proofing gasket 8, the right side of the second ball bearing 9 by space washer 11；Specifically, as schemed
Shown in 22, limiting slot 14-3 is opened up in the second inner hole 14-2 of belt hub, limiting slot 14-3 is ring structure, limiting slot 14-3
It is interior for being fitted into space washer 11, as shown in Figures 18 and 19, space washer 11 is toroidal ring structure, and the structure with limiting slot 14-3
Match, the flange portion 1-9 clearance fit of space washer 11 and mandrel.
Connection frame 6 is sleeved on mandrel 1, so as to against the left end of the spring coil 4-1 of friction catch spring.Specifically, such as
Shown in Figure 12 and 13, connection frame 6 be hollow convex coil structures, including main part 6-6 and lug boss 6-1, the internal diameter 6-2 of main part with
The outer diameter 3-6 of the lug boss of damping brake bracket matches, so that matched between connection frame 6 and damping brake bracket 3 by concaveconvex structure,
Structural stability is good.The outer diameter of the main part 6-6 of connection frame is greater than the outer diameter of the main part of damping brake bracket and is less than friction system
It moves the outer diameter of spring, so that the left end of the spring coil 4-1 of friction catch spring is resisted against the position that connection frame protrudes from damping brake bracket
It sets, and makes clearance fit between connection frame 6 and friction immobilisation circle 5.In the internal diameter 6-4 and mandrel of the lug boss of connection frame
Between section 1-5 crest clearance cooperation so that the internal diameter 6-4 of the lug boss of connection frame is sleeved on except the interlude 1-5 of mandrel.
In addition, as shown in figure 13, there is step transition structure 6-3 between the main part 6-6 and lug boss 6-1 of connection frame,
The setting of step transition structure 6-3 constitutes avoiding space, to install the first grease proofing gasket 7.As shown in FIG. 14 and 15, first is anti-
Lubricating pad piece 7 is toroidal ring structure, and the right side of the first grease proofing gasket 7 is installed against the left end of friction immobilisation circle 5, so that the after installation
It is flushed on the right side of the left side of one grease proofing gasket 7 and the lug boss 6-1 of connection frame；The outer diameter and belt hub of first grease proofing gasket 7
The first inner hole 14-1 size match, so that the first grease proofing gasket 7 is mounted in belt hub 14；First grease proofing gasket 7
Internal diameter is greater than the outer diameter of step transition structure 6-3.Third ball bearing 10, third rolling are set with except the lug boss 6-1 of connection frame
The right side of pearl bearing 10 and the left side of the first grease proofing gasket 7 abut each other, the left side of third ball bearing 10 and the centre of mandrel
Section 1-5, free segment 1-6 link position flush；First inner hole 14-1's of the outer diameter and belt hub of third ball bearing 10
Size matches, so that third ball bearing 10 is mounted in belt hub 14；The setting of third ball bearing, so that mandrel and skin
It is relatively reliable with the support between wheel hub.The left side of third ball bearing 10 is against the first ball bearing 12 of installation, the first ball axis
It holds 12 to be sleeved on except the free segment 1-6 of mandrel, the right side of the first ball bearing 12 is resisted against the left side of third ball bearing 10
And the link position of the interlude 1-5 of mandrel, free segment 1-6；The first of the outer diameter of first ball bearing 12 and belt hub
The size of inner hole 14-1 matches, so that the first ball bearing 12 is mounted in belt hub 14, and a left side for the first ball bearing 12
Side is flushed with the left side of belt hub.As shown in figs 20 and 21, locating ring 13 is tube-in-tube structure, the internal diameter of locating ring 13
The outer diameter of the free segment 1-6 of 13-1 and mandrel matches, so that the open end of locating ring is inserted in along the free segment of mandrel, is installed
Afterwards, so that the end face 1-7 of the free segment of mandrel is resisted against the closed end of locating ring 13, the end face 13-2 of the open end of locating ring is supported
By the left end of the first ball bearing 12, to be positioned.In addition, the closed end of locating ring 13 offers through-hole.
When the torsion rotation direction of friction immobilisation circle 5 is opposite with the coil direction of friction catch spring 4, friction catch spring 4
Outer diameter will generate expansionary force, generate frictional force with the internal diameter of friction immobilisation circle 5 and lock state occur.When friction immobilisation circle
When 5 torsion rotation direction is identical as the coil direction of friction catch spring 4, the outer diameter of friction catch spring 4 will deformation retract, with
The frictional force of the internal diameter of friction immobilisation circle 5 releases and forms free state, thus interrupts the transmitting of power.
In addition, belt hub 14 drives friction immobilisation circle 5 to rotate when belt hub 14 rotates, the drive of friction immobilisation circle 5 rubs
It wipes tripping spring 4 to rotate, friction catch spring 4 drives damping brake bracket 3 to rotate, and damping brake bracket 3 drives damping spring 2 outside
Expansion, to realize the effect of damping, the stability of entire belt pulley operation is good.
The damper pulley of the spring friction catch of the present embodiment manufactures work without opening up concave card slot in threaded mandrel
Skill is simple；The part of assembling is less, and assembly efficiency is high；Reliable transmission, long service life, structure is simple, manufacturing cost is low, is convenient for
It is widely popularized.
Embodiment two:
The damper pulley of the spring friction catch of the present embodiment and embodiment one the difference is that:
As shown in figs. 23 and 24, third ball bearing is omitted in the damper pulley of the spring friction catch of the present embodiment
Setting, correspondingly, the structure of connection frame can advanced optimize.Specifically, connection frame 16 includes main part and lug boss, connection
The outer diameter of the lug boss of the internal diameter 16-1 and friction catch frame of frame matches, the first grease proofing gasket be located at connection frame lug boss it
Outside, step transition structure is not necessarily formed；Moreover, the left end of the lug boss of the left end and friction catch frame of the lug boss of connection frame
It flushes, and is resisted against on the first ball bearing simultaneously.The structure of the damper pulley of the spring friction catch of the present embodiment is into one
Step is optimized.
Other structures can be with reference implementation example one.
It should be noted that above-described embodiment can be freely combined as needed.The above is only to of the invention excellent
Embodiment and principle is selected to be described in detail, for those of ordinary skill in the art, the thought provided according to the present invention,
It will change in specific embodiment, and these changes should also be regarded as the scope of the invention.
Claims (10)
1. a kind of damper pulley of spring friction catch, including belt hub and the mandrel being installed in belt hub, subtracts
Spring, friction catch spring, friction immobilisation circle, the first ball bearing and the second ball bearing are shaken, the mandrel has flange portion
With axis body portion, which is characterized in that the damper pulley further includes damping brake bracket, connection frame and locating ring；The damping bullet
Spring, damping brake bracket, connection frame, the first ball bearing, locating ring are successively sheathed on except the axis body portion of mandrel, damping spring
One end is resisted against the flange portion of mandrel, and the other end of damping spring is resisted against damping brake bracket；The damping brake bracket with connect
Matched between frame using concaveconvex structure；The friction catch spring pocket is set to except damping brake bracket, and the two of friction catch spring
End is born against in connection frame and the second ball bearing；The friction immobilisation snare is set to except friction catch spring, described to rub
It wipes stopper ring and belt hub is interference fitted；Second ball bearing is sheathed on except the flange portion of mandrel, the second ball axis
Hold the space washer limit for being embedded in belt hub inner wall by one.
2. a kind of damper pulley of spring friction catch according to claim 1, which is characterized in that the axis of the mandrel
Body portion includes linkage section, interlude and the free segment that one end of flange portion extends, and the outer diameter of the linkage section is greater than interlude
Outer diameter, the outer diameter of the interlude are greater than the outer diameter of free segment；The damping spring is sheathed on except linkage section, the damping system
Moving frame and connection frame are sheathed on except interlude, and first ball bearing and locating ring are sheathed on except free segment.
3. a kind of damper pulley of spring friction catch according to claim 2, which is characterized in that the method for the mandrel
Blue portion and damping spring against end face there is the first helicoid and the first positioning step, first positioning step be used for against
The end face of damping spring spring silk.
4. a kind of damper pulley of spring friction catch according to claim 3, which is characterized in that the damping braking
Frame and damping spring against end face be the second helicoid and the second positioning step, second positioning step is used for against damping
The other end of spring spring silk.
5. a kind of damper pulley of spring friction catch according to claim 4, which is characterized in that the damping braking
Frame is hollow convex coil structures, including main part and lug boss, second helicoid and the second positioning step are respectively positioned on main part
Interior, the crest clearance of the interlude in the axis body portion of the internal diameter of the lug boss and the mandrel cooperates；The friction catch spring
It is sheathed on except the main part of damping brake bracket.
6. a kind of damper pulley of spring friction catch according to claim 5, which is characterized in that the friction catch
Spring includes spring coil and bending part, and the main part of the damping brake bracket has the peace to match with the bending part of friction catch spring
Tankage.
7. a kind of damper pulley of spring friction catch according to claim 5, which is characterized in that the connection frame is
The outer diameter of hollow convex coil structures, including main part and lug boss, the lug boss of the internal diameter and damping brake bracket of main part matches, main
The outer diameter in body portion is greater than the outer diameter of the main part of damping brake bracket and is less than the outer diameter of friction catch spring.
8. a kind of damper pulley of spring friction catch according to claim 7, which is characterized in that the connection frame
It is arranged a third ball bearing except lug boss, the two sides of third ball bearing bear against the first ball bearing and connection frame
Main part；The outer diameter of third ball bearing and the internal diameter of belt hub match.
9. a kind of damper pulley of spring friction catch according to claim 8, which is characterized in that the third ball
The first grease proofing gasket is equipped between bearing and one end of friction immobilisation circle；Second ball bearing is another with friction immobilisation circle
The second grease proofing gasket is equipped between end.
10. -9 described in any item a kind of damper pulleys of spring friction catch according to claim 1, which is characterized in that institute
The inner wall for stating belt hub has the limiting slot to match with space washer, and the space washer is embedded in limiting slot；It is described fixed
The flange portion clearance fit of position washer and mandrel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811227072.4A CN109340349B (en) | 2018-10-22 | 2018-10-22 | Damping belt pulley for spring friction braking |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811227072.4A CN109340349B (en) | 2018-10-22 | 2018-10-22 | Damping belt pulley for spring friction braking |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109340349A true CN109340349A (en) | 2019-02-15 |
| CN109340349B CN109340349B (en) | 2024-02-27 |
Family
ID=65310629
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811227072.4A Active CN109340349B (en) | 2018-10-22 | 2018-10-22 | Damping belt pulley for spring friction braking |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109340349B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103363064A (en) * | 2013-07-15 | 2013-10-23 | 李志敏 | Spring friction brake one-way coupling damping belt wheel |
| CN203413096U (en) * | 2013-07-15 | 2014-01-29 | 李志敏 | One-way coupling damping belt pulley |
| CN203730701U (en) * | 2014-01-06 | 2014-07-23 | 李志敏 | Spring friction clutch belt pulley |
| CN204284373U (en) * | 2014-11-07 | 2015-04-22 | 李志敏 | A kind of unidirectional couplings damper pulley of spring friction catch |
| CN108087450A (en) * | 2017-12-25 | 2018-05-29 | 台州振鹏单向器有限公司 | A kind of damper pulley of roller type one way coupling |
| CN209228987U (en) * | 2018-10-22 | 2019-08-09 | 台州振鹏单向器有限公司 | The damper pulley of spring friction catch |
-
2018
- 2018-10-22 CN CN201811227072.4A patent/CN109340349B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103363064A (en) * | 2013-07-15 | 2013-10-23 | 李志敏 | Spring friction brake one-way coupling damping belt wheel |
| CN203413096U (en) * | 2013-07-15 | 2014-01-29 | 李志敏 | One-way coupling damping belt pulley |
| CN203730701U (en) * | 2014-01-06 | 2014-07-23 | 李志敏 | Spring friction clutch belt pulley |
| CN204284373U (en) * | 2014-11-07 | 2015-04-22 | 李志敏 | A kind of unidirectional couplings damper pulley of spring friction catch |
| CN108087450A (en) * | 2017-12-25 | 2018-05-29 | 台州振鹏单向器有限公司 | A kind of damper pulley of roller type one way coupling |
| CN209228987U (en) * | 2018-10-22 | 2019-08-09 | 台州振鹏单向器有限公司 | The damper pulley of spring friction catch |
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| Publication number | Publication date |
|---|---|
| CN109340349B (en) | 2024-02-27 |
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