CN206352648U - One kind coupling belt pulley - Google Patents
One kind coupling belt pulley Download PDFInfo
- Publication number
- CN206352648U CN206352648U CN201621472254.4U CN201621472254U CN206352648U CN 206352648 U CN206352648 U CN 206352648U CN 201621472254 U CN201621472254 U CN 201621472254U CN 206352648 U CN206352648 U CN 206352648U
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- China
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- retainer
- belt pulley
- mandrel
- ring
- internal torque
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Abstract
The utility model provides a kind of coupling belt pulley, including：Belt pulley, mandrel, internal torque spring, outer torsion spring, the first retainer and the second retainer；One end of the internal torque spring and the outer torsion spring connects first retainer respectively, and the other end connects second retainer respectively；First retainer is identical with the structure of second retainer, first retainer and second retainer connect the mandrel by spline, the first ramp projections and the second ramp projections of semicircular in shape are respectively equipped with first retainer, the internal torque spring is against on the end face of first ramp projections, and the outer torsion spring is against on the end face of second ramp projections.The belt pulley of the utility model coupling belt pulley and the overall structure of mandrel are simple, and retainer realizes axially position by back-up ring and dust cap, and the installation and removal of internal torque spring and outer torsion spring are also fairly simple.
Description
Technical field
The utility model is related to automobile transmission part field, more particularly to a kind of coupling belt pulley.
Background technology
Generator application is in automobile, as the main power source of automobile, and its function is to institute in normal working of engine
There is power supply for electrical equipment, and charged simultaneously to battery.At present, general all driven by belt pulley of the rotor of generator rotates, skin
Belt wheel connects engine or other machinery structure by transmission belt.
But during generator use, when automobile engine or the unexpected acceleration or deceleration of other machinery structure, hair
The rotating speed of motor pulley can cause the rotor and belt pulley of generator also with acceleration or deceleration, but due to the effect of inertia
Rotating speed moment it is asynchronous, impact can be formed between belt pulley and the transmission belt being mounted thereon, easily produce vibration or noise,
Even reduce the life-span of transmission belt；And work as the moment that engine or other machinery structure are stopped, belt pulley occurs one
Very of short duration rotates backward, although is time extremely of short duration small convolution, but can also drive generator amature to invert certain angle
And produce negative electricity, and and switch to coil in positive electricity, such generator amature to be influenceed by plus-minus electric impact, reduction
The service life of coil, or even there is the hidden danger of coil scaling loss.
Couple belt pulley and compare common one-way belt sheave, can further reduce operation noise, weaken belt vibration and
The tension force vibrations of belt, reduce belt tension, lifting generator system and skin when reducing stretcher stroke, effectively reduction operating
Band service life.When engine power is exported, power is passed into belt pulley by coupling belt, coupling belt pulley is turned round by interior
Square spring transfers power to mandrel, and mandrel couples with generator shaft, transfers power to generator, realizes electrical power generators,
And by electrical power storage to battery.When generator power is exported, the mandrel of generator and coupling tuning pulley passes through outer moment of torsion bullet
Spring imparts power to belt pulley, and belt pulley transfers power to engine by belt again, realizes the starting of engine.At present
Coupling belt pulley on the market is using not extensive, manufacture inconvenience, and complicated integral structure, some retainer positioning are complicated, install
With dismounting inconvenience, some belt pulleys also do not carry out necessary lubrication.
Utility model content
(1) technical problem to be solved
The technical problems to be solved in the utility model is to provide a kind of simple in construction, internal by 2 identical retainers
Coupling belt pulley that outer torsion spring is positioned, that retainer axially position is realized by back-up ring and dust cap.
(2) technical scheme
In order to solve the above technical problems, the utility model provides a kind of coupling belt pulley, including：Belt pulley, mandrel, interior torsion
Square spring, outer torsion spring, the first retainer and the second retainer；The internal torque spring housing is described on the mandrel
The outer torsion spring is cased with internal torque spring；One end of the internal torque spring and the outer torsion spring connects institute respectively
The first retainer is stated, the other end connects second retainer respectively；The mandrel is provided with the first external splines and the second outer flower
Key, first retainer is provided with the first internal spline being engaged with first external splines, and second retainer is provided with
The second internal spline being engaged with second external splines；It is provided with first external splines outside the first back-up ring, described second
Second back-up ring is installed, first retainer is resisted against on first back-up ring, and second retainer is resisted against on spline
On second back-up ring；First retainer is identical with the structure of second retainer, on first retainer respectively
The first ramp projections and the second ramp projections provided with semicircular in shape, the internal torque spring are against first ramp projections
On end face, the outer torsion spring is against on the end face of second ramp projections, the internal torque spring and the outer moment of torsion
Spring is linked together by first retainer and second retainer, and first retainer and described second is protected
Hold frame to be mounted on the mandrel, so that the internal torque spring, the outer torsion spring, first holding
The entirety of frame, second retainer and the mandrel one linkage of formation.The overall structure of the belt pulley and the mandrel
Simply, the installation and removal of the internal torque spring and the outer torsion spring are also fairly simple.
Further, the mandrel is provided with clutch shaft bearing, the first axle in the side close to first retainer
Hold and third gear circle is installed between first retainer；The mandrel is provided with the side close to second retainer
Second bearing, fourth gear circle is provided between the second bearing and second retainer.
Further, the belt pulley is provided with the first dust cap in the side of the clutch shaft bearing, and described first is dust-proof
Lid is against on the clutch shaft bearing, and the belt pulley is provided with the second dust cap, described second in the side of the second bearing
Dust cap is against in the second bearing, by first dust cap and second dust cap to the clutch shaft bearing and institute
The axial location for stating second bearing is defined.
Further, first external splines, which is provided with, is used to installing the first annular groove of first back-up ring, and described the
Two external splines are provided with the second annular groove for being used for installing second back-up ring.
Further, the belt pulley is provided with tank filler sleeve, and first retainer and second retainer are distinguished
Have gap with the belt pulley, when the belt pulley is operated, first retainer and second retainer it
Between the lubricating grease that injects the clutch shaft bearing and the second bearing can be flow to from gap location, lubricant effect can also be played.
Further, the internal torque spring and the outer torsion spring is oppositely oriented.First ramp projections
The angle that the bottom surface of inclined-plane and first retainer is formed is less than or equal to the spiral angle of the internal torque spring, is easy to peace
The internal torque spring is filled, interference is not produced when the internal torque spring is installed with first ramp projections；Described second
The angle that the bottom surface of the inclined-plane of ramp projections and first retainer is formed is less than or equal to the spiral of the outer torsion spring
Angle, is easily installed the outer torsion spring, is not produced when the outer torsion spring is installed with second ramp projections dry
Relate to.
Further, first retainer is provided with the back-up ring mounting groove for being used for placing first back-up ring.
(3) beneficial effect
The inside and outside internal torque spring of the utility model coupling belt pulley is fixed on mandrel by 2 structure identical retainers
On, retainer is connected with mandrel by interior external splines form, and retainer realizes the positioning of axial direction by back-up ring and dust cap, overall
It is simple in construction, it is easily manufactured, also allow for dismounting.
Brief description of the drawings
Fig. 1 is the structural representation that the utility model couples belt pulley embodiment one；
Fig. 2 is the structural representation that the utility model couples the retainer of belt pulley embodiment one first；
Fig. 3 is the structural representation that the utility model couples the mandrel of belt pulley embodiment one；
Fig. 4 is the structural representation that the utility model couples belt pulley embodiment two；
Fig. 5 is the structural representation that the utility model couples belt pulley embodiment three；
Wherein：1 it is belt pulley, 2 be first annular groove, 3 be mandrel, 4 be the second annular groove, 5 be internal torque spring, 6 is
Outer torsion spring, 7 be the first retainer, 8 be the second retainer, 9 be the first external splines, 10 be the second external splines, 11 be first
Internal spline, 12 be the second internal spline, 13 be the first back-up ring, 14 be the second back-up ring, 15 be the first ramp projections, 16 be first axle
Hold, 17 be third gear circle, 18 be second bearing, 19 be fourth gear circle, 20 be the first dust cap, 21 be the second dust cap, 22 be
Tank filler sleeve, 23 be back-up ring mounting groove, 24 be the second ramp projections.
Embodiment
Embodiment one：
Refering to Fig. 1~Fig. 3, the utility model provides a kind of coupling belt pulley, including：Belt pulley 1, mandrel 3, internal torque bullet
Spring 5, outer torsion spring 6, the first retainer 7 and the second retainer 8；Internal torque spring 5 is sleeved on mandrel 3, internal torque spring 5
On be cased with outer torsion spring 6；One end of internal torque spring 5 and outer torsion spring 6 connects the first retainer 7, the other end point respectively
The second retainer 8 is not connected；Mandrel 3 is provided with the first external splines 9 and the second external splines 10, and the first retainer 7 is provided with and first
The first internal spline 11 that external splines 9 is engaged, the second retainer 8 is provided with the second internal spline being engaged with the second external splines 10
12；It is provided with first external splines 9 on first back-up ring 13, the second external splines 10 and second back-up ring 14 is installed, the first retainer 7 is supported
Lean against on the first back-up ring 13, the second retainer 8 is resisted against on the second back-up ring 14；The structure of first retainer 7 and the second retainer 8
It is identical, refering to Fig. 2, the first ramp projections 15 and the second ramp projections 24 of semicircular in shape are respectively equipped with the first retainer 7, it is interior
Torsion spring 5 is against on the end face of the first ramp projections 15, and outer torsion spring 6 is against on the end face of the second ramp projections 24, interior
Torsion spring 5 and outer torsion spring 6 are linked together by the first retainer 7 and the second retainer 8, and the He of the first retainer 7
Second retainer 8 is mounted on mandrel 3, so that internal torque spring 5, outer torsion spring 6, the first retainer 7, second
Retainer 8 and the entirety of one linkage of formation of mandrel 3.The overall structure of belt pulley 1 and mandrel 3 is simple, internal torque spring 5 and outer
The installation and removal of torsion spring 6 are also fairly simple.
Refering to Fig. 1, mandrel 3 is provided with clutch shaft bearing 16, clutch shaft bearing 16 and first in the side close to the first retainer 7
Third gear circle 17 is installed between retainer 7；Mandrel 3 is provided with second bearing 18, second in the side close to the second retainer 8
Fourth gear circle 19 is installed between the retainer 8 of bearing 18 and second.Belt pulley 1, which is provided with first in the side of clutch shaft bearing 16, to be prevented
Dirt lid 20, the first dust cap 20 is against on clutch shaft bearing 16, and belt pulley 1 is provided with the second dust cap in the side of second bearing 18
21, the second dust cap 21 is against in second bearing 18, by the first dust cap 20 and the second dust cap 21 to the He of clutch shaft bearing 16
The axial location of second bearing 18 is defined.
Refering to Fig. 3, the first external splines 9 is provided with the first annular groove 2 for being used for installing the first back-up ring 13, the second external splines 10
It is provided with the second annular groove 4 for being used for installing the second back-up ring 14.
Refering to Fig. 2, the first retainer 7 is provided with the back-up ring mounting groove 23 for being used for placing the first back-up ring 13.
Wherein, internal torque spring 5 and outer torsion spring 6 is oppositely oriented.The inclined-plane of first ramp projections 15 and first is protected
Hold spiral angle of the angle less than or equal to internal torque spring 5 that the bottom surface of frame 7 is formed；The inclined-plane of second ramp projections 24 and
The angle that the bottom surface of one retainer 7 is formed is less than or equal to the spiral angle of outer torsion spring 6.
The inside and outside internal torque spring of the present embodiment coupling belt pulley is fixed on mandrel by 2 structure identical retainers
On, retainer is connected with mandrel by interior external splines form, and 2 retainers realize the positioning of axial direction by back-up ring and dust cap,
Retainer is connected by the first ramp projections and the second ramp projections with internal torque spring and outer torsion spring, overall structure letter
It is single, it is easily manufactured, also allow for dismounting.
Embodiment two：
Refering to Fig. 4, the present embodiment and the difference of embodiment one are：The structure size of second bearing 18 in the present embodiment with
Clutch shaft bearing 16 is identical, and the outer ring of second bearing 18 and clutch shaft bearing 16 is arranged on the endoporus of belt pulley 1, and the first back-up ring 13
Identical with the structure size of the second back-up ring 14, third gear circle 17 is identical with the structure size of fourth gear circle 19, simplifies part category,
So that entirely the component interchanging performance of coupling belt pulley is good, the overall structure of belt pulley 1 and mandrel 3 is simpler, is easy to manufacture
And assembling.
The inside and outside internal torque spring of the present embodiment coupling belt pulley is fixed on mandrel by 2 structure identical retainers
On, retainer is connected with mandrel by interior external splines form, and 2 retainers realize the positioning of axial direction by back-up ring and dust cap,
Retainer is connected by the first ramp projections and the second ramp projections with internal torque spring and outer torsion spring, entirely couples belt
The component interchanging performance of wheel is good, and overall is simple in construction, easily manufactured, also allows for dismounting.
Embodiment three：
Refering to Fig. 5, the present embodiment and the difference of embodiment one are：Belt pulley 1 is provided with tank filler sleeve 22, and lubricant grease leads to
Cross in the space that tank filler sleeve 22 is filled between internal torque spring 5 and outer torsion spring 6, and the first retainer 7 and second is kept
Frame 8 has gap with belt pulley 1 respectively, when belt pulley 1 is operated, and is injected between the first retainer 7 and the second retainer 8
Lubricating grease clutch shaft bearing 16 and second bearing 18 can be flow to from gap location, lubricant effect can also be played.
The inside and outside internal torque spring of the present embodiment coupling belt pulley is fixed on mandrel by 2 structure identical retainers
On, retainer is connected with mandrel by interior external splines form, and 2 retainers realize the positioning of axial direction by back-up ring and dust cap,
Retainer is connected by the first ramp projections and the second ramp projections with internal torque spring and outer torsion spring, overall structure letter
It is single, it is easily manufactured, it is easy to dismounting, high lubricating effect also allows for filling lubricant grease.
Described above is only preferred embodiment of the present utility model, it is noted that for the common skill of the art
For art personnel, on the premise of the utility model technical principle is not departed from, some improvements and modifications can also be made, these change
Enter and retouch and also should be regarded as protection domain of the present utility model.
Claims (8)
1. one kind coupling belt pulley, it is characterised in that including：Belt pulley (1), mandrel (3), internal torque spring (5), outer moment of torsion bullet
Spring (6), the first retainer (7) and the second retainer (8)；The internal torque spring (5) is sleeved on the mandrel (3), described
The outer torsion spring (6) is cased with internal torque spring (5)；The internal torque spring (5) and the one of the outer torsion spring (6)
End connects first retainer (7) respectively, and the other end connects second retainer (8) respectively；The mandrel (3) is provided with
First external splines (9) and the second external splines (10), first retainer (7) are provided with and are engaged with first external splines (9)
The first internal spline (11), second retainer (8) be provided be engaged with second external splines (10) second in flower
Key (12)；It is provided with first external splines (9) on the first back-up ring (13), second external splines (10) and second gear is installed
Enclose (14), first retainer (7) is resisted against on first back-up ring (13), second retainer (8) is resisted against described
On second back-up ring (14)；First retainer (7) is identical with the structure of second retainer (8), first retainer
(7) the first ramp projections (15) and the second ramp projections (24) of semicircular in shape are respectively equipped with, the internal torque spring (5) is supported
On the end face of first ramp projections (15), the outer torsion spring (6) is against the end of second ramp projections (24)
On face.
2. belt pulley is coupled as claimed in claim 1, it is characterised in that the mandrel (3) is close to first retainer
(7) side is provided with clutch shaft bearing (16), and the 3rd is provided between the clutch shaft bearing (16) and first retainer (7)
Back-up ring (17)；The mandrel (3) is provided with second bearing (18), described second in the side close to second retainer (8)
Fourth gear circle (19) is installed between bearing (18) and second retainer (8).
3. belt pulley is coupled as claimed in claim 2, it is characterised in that the belt pulley (1) is in the clutch shaft bearing (16)
Side the first dust cap (20) is installed, first dust cap (20) is against on the clutch shaft bearing (16), the belt
Wheel (1) is provided with the second dust cap (21) in the side of the second bearing (18), and second dust cap (21) is against described
In second bearing (18).
4. belt pulley is coupled as claimed in claim 1, it is characterised in that be provided with first external splines (9) for pacifying
The first annular groove (2) of first back-up ring (13) is filled, second external splines (10), which is provided with, to be used to install the second gear
Enclose second annular groove (4) of (14).
5. belt pulley is coupled as claimed in claim 1, it is characterised in that the belt pulley (1) is provided with tank filler sleeve (22).
6. belt pulley is coupled as claimed in claim 1, it is characterised in that the internal torque spring (5) and the outer moment of torsion bullet
Spring (6) it is oppositely oriented.
7. as claimed in claim 1 coupling belt pulley, it is characterised in that the inclined-plane of first ramp projections (15) with it is described
The angle that the bottom surface of first retainer (7) is formed is less than or equal to the spiral angle of the internal torque spring (5)；Described second is oblique
The inclined-plane of face projection (24) is less than or equal to the outer torsion spring with the angle that the bottom surface of first retainer (7) is formed
(6) spiral angle.
8. the coupling belt pulley as described in any one of claim 1 to 7, it is characterised in that first retainer (7) is provided with
Back-up ring mounting groove (23) for placing first back-up ring (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621472254.4U CN206352648U (en) | 2016-12-30 | 2016-12-30 | One kind coupling belt pulley |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621472254.4U CN206352648U (en) | 2016-12-30 | 2016-12-30 | One kind coupling belt pulley |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206352648U true CN206352648U (en) | 2017-07-25 |
Family
ID=59348747
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621472254.4U Active CN206352648U (en) | 2016-12-30 | 2016-12-30 | One kind coupling belt pulley |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206352648U (en) |
-
2016
- 2016-12-30 CN CN201621472254.4U patent/CN206352648U/en active Active
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