CN110345212A - A kind of torsion spring stretcher of BSG system - Google Patents
A kind of torsion spring stretcher of BSG system Download PDFInfo
- Publication number
- CN110345212A CN110345212A CN201910559079.4A CN201910559079A CN110345212A CN 110345212 A CN110345212 A CN 110345212A CN 201910559079 A CN201910559079 A CN 201910559079A CN 110345212 A CN110345212 A CN 110345212A
- Authority
- CN
- China
- Prior art keywords
- swing arm
- belt wheel
- pivot
- stretcher
- spring
- Prior art date
- 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.)
- Pending
Links
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
- F16H7/00—Gearings for conveying rotary motion by endless flexible members
- F16H7/08—Means for varying tension of belts, ropes, or chains
-
- 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
- F16H7/00—Gearings for conveying rotary motion by endless flexible members
- F16H7/08—Means for varying tension of belts, ropes, or chains
- F16H2007/0802—Actuators for final output members
- F16H2007/081—Torsion springs
Abstract
A kind of torsion spring stretcher of BSG system, including swing arm, belt wheel, pivot disc and spring, swing arm includes left swing arm and right swing arm, belt wheel includes left belt wheel and right belt wheel, spring includes left spring and right spring, one end of left swing arm and right swing arm is installed in pivot disc, the other end is connected with left belt wheel and right belt wheel respectively, left spring and right spring are located at left swing arm and pivot disc, and between right swing arm and pivot disc, pivot disc is installed on engine by pivot hole, and it can be under the action of belt be applied to tensile force on left swing arm and right swing arm using pivot hole as axis swing.The torsion spring stretcher of BSG system of the invention can be directly installed on engine cylinder body, the design difficulty of motor front end shell and the axial dimension of motor etc. are not will increase, compared to being mounted on electric machine casing, influence of the size accumulated tolerance to stretcher and system can be reduced further, can further maintain the overall stability of engine system.
Description
Technical field
The present invention relates to technical field of automobile engine more particularly to a kind of torsion spring stretchers of BSG system.
Background technique
Compared with traditional attachments belt system, BSG (Belt drive Starter Generator, belt transmission starting/
Generating integrated motor) in accessory belt systems because BSG motor increases the functions such as power-assisted, start-stop and energy regenerating, will lead to
The belt tension of motor two sides from the constant state greater than left side in original right side become the left and right sides belt tension it is larger
Top-cross is for the state changed, therefore common stretcher can no longer meet this variation of belt.
In addition, the fixed form of BSG system tight device is directly installed in BSG motor front end shell at present.It should
The benefit of mode is the space layout that can simplify in accessory belt operation plane, keeps the design of engine body freer.
But also occur increasing such as the design difficulty of motor front end shell；Motor body is influenced in axial direction by stretcher, axial ruler
Very little increase is more, and the arrangement difficulty of motor on the engine is caused to improve；The power and weight that stretcher is subject to are acted on by motor
On electric machine support, the disadvantages of increasing the intensity risk of bracket leads to the unstability of system.
Summary of the invention
In view of this, the present invention provides a kind of torsion spring stretchers of BSG system that stability is strong.
The torsion spring stretcher of BSG system provided by the invention, including swing arm, belt wheel, pivot disc and spring, the swing arm
Including left swing arm and right swing arm, the belt wheel includes left belt wheel and right belt wheel, and the spring includes left spring and right spring, described
One end of left swing arm and the right swing arm is installed in the pivot disc, the other end respectively with the left belt wheel and the right belt wheel
It is connected, the left spring and the right spring are located at the left swing arm and the pivot disc and the right swing arm and institute
It states between pivot disc, the pivot disc is installed on engine by pivot hole, and can be applied to the left swing arm in belt
With under the action of tensile force on the right swing arm using the pivot hole as axis swing.
Further, the torsion spring stretcher of the BSG system further includes support plate, and the support plate has a pivot,
The pivot penetrates in the pivot hole of the pivot disc.
Further, the torsion spring stretcher of the BSG system further includes annular cover plate, and the internal diameter of the annular cover plate is small
In the internal diameter of the pivot hole, the side of the pivot hole is equipped with an annular groove, and it is recessed that the annular cover plate is set to the annular
In slot, and the inner surface of the annular cover plate is in contact with the outer surface of the pivot.
Further, an axis hole is equipped in the pivot, the pivot disc and the support plate are by penetrating the axis hole
Bolt be fixed on engine.
Further, the pivot disc is equipped with left swing arm axle and right swing arm axis, on the left swing arm and the right swing arm
Be respectively equipped with left swing arm sleeve and right swing arm sleeve, the left spring and the right spring be individually fixed in the left swing arm axle with
Between the left swing arm sleeve and the right swing arm axis and the right swing arm sleeve, the left swing arm and the right swing arm are logical
It crosses and respectively penetrates the bolt of the left swing arm, the right swing arm and the pivot disc and be fixed in the pivot disc.
Further, the swing arm be equipped with left belt wheel mounting post and right belt wheel mounting post, the left belt wheel mounting post and
The right belt wheel mounting post is installed in the axis hole for penetrating the belt wheel, for the belt wheel to be fixed to the swing arm.
Further, the left belt wheel and the right belt wheel are by respectively penetrating the left belt wheel mounting post and the right belt
The bolt of wheel mounting post is fixed on the left swing arm and the right swing arm.
Further, the left belt wheel mounting post is convexly equipped in the ipsilateral of the left swing arm with the left swing arm sleeve, described
There is belt wheel mounting post to be convexly equipped in the ipsilateral of the right swing arm with the right swing arm sleeve.
A kind of BSG system, including motor, crankshaft, air compressor machine, belt and torsion spring stretcher, which is characterized in that described double
Torsional spring stretcher be torsion spring stretcher of any of claims 1-8, the belt include around motor output shaft,
The left side belt of left belt wheel and crankshaft and right side belt around motor output shaft, right belt wheel and air compressor machine input shaft.
The torsion spring stretcher of BSG system of the invention utilizes the belt wheel being placed on the belt of motor two sides, can freely put
Dynamic swing arm and the pivot disc that can be rotated freely improve the belt tension occurred in BSG accessory belt systems operational process
The stability of the torsion spring stretcher of BSG system when situations such as power changes occurs, and then make engine BSG system steady operation.
The torsion spring stretcher of BSG system of the invention simultaneously can be directly installed on engine cylinder body, not will increase motor front end
The design difficulty of shell and the axial dimension of motor etc., compared to being mounted on electric machine casing, size accumulated tolerance to stretcher with
And the influence of system can be reduced further, can further maintain the overall stability of engine system.
The above description is only an overview of the technical scheme of the present invention, in order to better understand the technical means of the present invention,
And it can be implemented in accordance with the contents of the specification, and in order to allow above and other objects, features and advantages of the invention can
It is clearer and more comprehensible, it is special below to lift preferred embodiment, and cooperate attached drawing, detailed description are as follows.
Detailed description of the invention
Fig. 1 is the decomposition diagram of the torsion spring stretcher of BSG system provided by the invention.
Fig. 2 is the schematic diagram of the torsion spring stretcher of BSG system provided by the invention.
Fig. 3 is that state of the torsion spring stretcher of BSG system provided by the invention when the left and right sides is tensioned dynamic balance is shown
It is intended to.
Fig. 4 is status diagram of the torsion spring stretcher of BSG system provided by the invention when left side tensile force increases.
Fig. 5 is status diagram of the torsion spring stretcher of BSG system provided by the invention when right side tensile force increases.
Specific embodiment
It is of the invention to reach the technical means and efficacy that predetermined goal of the invention is taken further to illustrate, below in conjunction with
Attached drawing and preferred embodiment, the present invention is described in detail as follows.
Fig. 1 and Fig. 2 are please referred to, the torsion spring stretcher of BSG system of the invention includes swing arm 1, belt wheel 2,3 and of pivot disc
Spring 6, swing arm 1 include left swing arm 11 and right swing arm 12, and belt wheel 2 includes left belt wheel 21 and right belt wheel 22, and spring 6 includes left spring
61 and right spring 62, one end of left swing arm 11 and right swing arm 12 is installed in pivot disc 3, the other end respectively with left belt wheel 21 and the right side
Belt wheel 22 is connected, and left spring 61 and right spring 62 are located at left swing arm 11 and pivot disc 3 and right swing arm 12 and pivot disc 3
Between, pivot disc 3 is installed on engine by pivot hole 32.The torsion spring stretcher of BSG system of the invention further includes branch
Fagging 5, support plate 5 have a pivot, and pivot penetrates in the pivot hole 32 of pivot disc 3.The torsion spring of BSG system of the invention
Tight device further includes annular cover plate 4, and the internal diameter of annular cover plate 4 is less than the internal diameter of pivot hole 32, and the side of pivot hole 32 is equipped with a ring
Connected in star, annular cover plate 4 is set in annular groove, and the inner surface of annular cover plate 4 is in contact with the outer surface of pivot 5.
Specifically, pivot disc 3 is equipped with left swing arm axle 31 and right swing arm axis 33, sets respectively on left swing arm 11 and right swing arm 12
There are left swing arm sleeve 13 and right swing arm sleeve 15, left spring 61 and right spring 62 are individually fixed in left swing arm axle 31 and left swing arm set
Between cylinder 13 and right swing arm axis 33 and right swing arm sleeve 15, left swing arm 11 and right swing arm 12 by respectively penetrate left swing arm 11,
Right swing arm 12 and the bolt of pivot disc 3 are fixed in pivot disc 3.
Swing arm 1 includes left swing arm 11 and right swing arm 12, and left swing arm 11 and right swing arm 12 are respectively arranged in the correspondence of pivot disc 3
Side, the shape and structure of left swing arm 11 and right swing arm 12 are completely the same, and swing arm 1 is equipped with left belt wheel mounting post 14 and right belt wheel
Mounting post 16, left belt wheel mounting post 14 and right belt wheel mounting post 16 protrude from the same face of swing arm 1, left swing arm sleeve 13 and right pendulum
Arm sleeve 15 is spirally connected with left swing arm axle 31 and right swing arm axis 33 respectively by the bolt accessed from 1 another side of swing arm, is installed on and is worn
In the axis hole for entering belt wheel 2, spring 6 can make swing arm 1 be mounted on left swing arm axle 31 or right swing arm axis 33 in pivot disc 3 with it
Axle center freely swings.Preferably, being mounted on the spring 6 between arm shaft and swing arm sleeve can be torsional spring.Preferably, left spring
61 provide the active force for driving the dextrorotary active force of left swing arm 11, the offer of right spring 62 that right swing arm 12 is driven to rotate to the left.
Belt wheel 2 includes left belt wheel 21 and right belt wheel 22, and the shape and structure of left belt wheel 21 and right belt wheel 22 are completely the same,
Belt wheel 2 is installed on the end of swing arm 1, and belt wheel 2 is by from the left belt wheel mounting post on the bolt and swing arm 1 that 2 side of belt wheel is accessed
14 and right belt wheel mounting post 16 be spirally connected, be fixed on left swing arm 11 and right swing arm 12, belt wheel 2 can be pacified with the belt wheel in swing arm 1
Column is filled as center of circle rotation.
Further, the invention also includes a kind of BSG systems, including motor, crankshaft, air compressor machine, belt and torsion spring
Tight device, torsion spring stretcher are torsion spring stretcher of the invention, and belt includes around motor output shaft, left belt wheel and crankshaft
Left side belt and right side belt around motor output shaft, right belt wheel and air compressor machine input shaft.
Also referring to Fig. 3, in the present embodiment, the left belt wheel 21 of the torsion spring stretcher of BSG system be placed in crankshaft and
Belt between motor, i.e., on the left side belt of motor；Right belt wheel 22 is placed in the belt between air compressor and motor, i.e., electric
On the right side belt of machine.
Further, left side belt is by the pressure from left belt wheel 21, and by the guidance of left swing arm 11, belt wheel 22 is close to the right,
The tensile force of left side belt and length increase at this time, and pivot disc 3 is rotated counterclockwise by the reaction force of left swing arm 11；Right side
Belt is by the pressure from right swing arm 12, and by the guidance of right swing arm 12, belt wheel 21 is close to the left, at this time right side belt tension and
Length increases, and pivot disc 3 is rotated clockwise by the reaction force from right swing arm 12.In the common work of belt wheel 2 and swing arm 1
Under, the tensile force of the belt of motor two sides reaches balance.If the variation of tensile force, pivot no longer occur for the belt of motor two sides
Turntable 3 and swing arm 1 are no longer rotated or are swung.
Referring to Figure 4 together, in BSG accessory belt systems operational process, belt system will appear right side belt sometimes
The case where tensile force increases, left side belt tension reduces relatively.When there is such case, right side belt drives right belt wheel 22
With 12 clockwise movement of right swing arm, and then rotate clockwise pivot disc 3, pivot disc 3 drives left swing arm 11 to rotate clockwise, together
When the left clockwise movement due to reduction of the tensile force of left side belt of belt wheel 21.It is left under belt wheel 2 and the collective effect of swing arm 1
Side belt is quickly tensioned, and the tensile force and length of left side belt increase, and the tensile force of the belt of motor two sides reaches balance.
Please refer to fig. 5, belt system will appear left side belt sometimes in BSG accessory belt systems operational process
The case where tensile force increases, right side belt tension reduces relatively.When there is such case, left side belt drives left belt wheel 21
With 11 counterclockwise movement of left swing arm, and then rotate counterclockwise pivot disc 3, pivot disc 3 drives right swing arm 12 to rotate counterclockwise, together
When the counterclockwise movement due to reduction of the tensile force of right side belt of right belt wheel 22.It is right under belt wheel 2 and the collective effect of swing arm 1
Side belt is quickly tensioned, and the tensile force and length of right side belt increase, and the tensile force of the belt of motor two sides reaches balance.
To sum up, the torsion spring stretcher of BSG system of the invention utilizes the belt wheel being placed on the belt of motor two sides, can oneself
The belt occurred in BSG accessory belt systems operational process is improved by the swing arm swung and the pivot disc that can be rotated freely
The stability of the torsion spring stretcher of BSG system when situations such as tensile force changes occurs, and then make engine system steady operation.
The torsion spring stretcher of BSG system of the invention simultaneously can be directly installed on engine cylinder body, not will increase motor front end
The design difficulty of shell and the axial dimension of motor etc., compared to being mounted on electric machine casing, size accumulated tolerance to stretcher with
And the influence of system can be reduced further, can further maintain the overall stability of engine system.
More than, it is only presently preferred embodiments of the present invention, is not intended to limit the present invention in any form, although this
Invention has been disclosed in a preferred embodiment above, and however, it is not intended to limit the invention, any person skilled in the art,
It does not depart within the scope of technical solution of the present invention, when the technology contents using the disclosure above make a little change or are modified to equivalent
The equivalent embodiment of variation, but without departing from the technical solutions of the present invention, according to the technical essence of the invention to the above reality
Any simple modification, equivalent change and modification made by example are applied, all of which are still within the scope of the technical scheme of the invention.
Claims (9)
1. a kind of torsion spring stretcher of BSG system, it is characterised in that: including swing arm (1), belt wheel (2), pivot disc (3) and bullet
Spring (6), the swing arm (1) include left swing arm (11) and right swing arm (12), and the belt wheel (2) includes left belt wheel (21) and right belt wheel
(22), the spring (6) includes left spring (61) and right spring (62), and the one of the left swing arm (11) and the right swing arm (12)
End is installed on the pivot disc (3), and the other end is connected with the left belt wheel (21) and the right belt wheel (22) respectively, the left side
Spring (61) and the right spring (62) are located at the left swing arm (11) and the pivot disc (3) and the right swing arm
(12) between the pivot disc (3), the pivot disc (3) is installed on engine by pivot hole (32), and can be in skin
Band is applied on the left swing arm (11) and the right swing arm (12) under the action of tensile force with the pivot hole (32) as axle center
It swings.
2. the torsion spring stretcher of BSG system according to claim 1, it is characterised in that: the torsion spring of the BSG system
Stretcher further includes support plate (5), and the support plate (5) has a pivot, and the pivot penetrates the described of the pivot disc (3)
In pivot hole (32).
3. the torsion spring stretcher of BSG system according to claim 2, it is characterised in that: the torsion spring of the BSG system
Stretcher further includes annular cover plate (4), and the internal diameter of the annular cover plate (4) is less than the internal diameter of the pivot hole (32), the pivot
The side of axis hole (32) is equipped with an annular groove, and the annular cover plate (4) is set in the annular groove, and the annular cover plate
(4) inner surface is in contact with the outer surface of the pivot (5).
4. the torsion spring stretcher of BSG system according to claim 3, it is characterised in that: be equipped with an axis in the pivot
Hole, the pivot disc (3) and the support plate (5) are fixed on engine by penetrating the bolt of the axis hole.
5. the torsion spring stretcher of BSG system according to claim 1, it is characterised in that: the pivot disc (3) is equipped with
Left swing arm sleeve is respectively equipped on left swing arm axle (31) and right swing arm axis (33), the left swing arm (11) and the right swing arm (12)
(13) and right swing arm sleeve (15), the left spring (61) and the right spring (62) are individually fixed in the left swing arm axle (31)
Between the left swing arm sleeve (13) and the right swing arm axis (33) and the right swing arm sleeve (15), the left swing arm
(11) and the right swing arm (12) is by respectively penetrating the left swing arm (11), the right swing arm (12) and the pivot disc
(3) bolt is fixed on the pivot disc (3).
6. the torsion spring stretcher of BSG system according to claim 5, it is characterised in that: the swing arm (1) is equipped with a left side
Belt wheel mounting post (14) and right belt wheel mounting post (16), the left belt wheel mounting post (14) and the right belt wheel mounting post (16) peace
Loaded on penetrating in the axis hole of the belt wheel (2), for the belt wheel (2) to be fixed to the swing arm (1).
7. the torsion spring stretcher of BSG system according to claim 6, it is characterised in that: the left belt wheel (21) and institute
It states right belt wheel (22) and is fixed by respectively penetrating the bolt of the left belt wheel mounting post (14) and the right belt wheel mounting post (16)
On to the left swing arm (11) and the right swing arm (12).
8. the torsion spring stretcher of BSG system according to claim 6, it is characterised in that: the left belt wheel mounting post
(14) be convexly equipped in the ipsilateral of the left swing arm (11) with the left swing arm sleeve (13), it is described have belt wheel mounting post (16) with it is described
Right swing arm sleeve (15) is convexly equipped in the ipsilateral of the right swing arm (1).
9. a kind of BSG system, including motor, crankshaft, air compressor machine, belt and torsion spring stretcher, which is characterized in that double torsions
Spring stretcher is torsion spring stretcher of any of claims 1-8, and the belt includes bypassing motor output shaft, a left side
The left side belt of belt wheel and crankshaft and right side belt around motor output shaft, right belt wheel and air compressor machine input shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910559079.4A CN110345212A (en) | 2019-06-26 | 2019-06-26 | A kind of torsion spring stretcher of BSG system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910559079.4A CN110345212A (en) | 2019-06-26 | 2019-06-26 | A kind of torsion spring stretcher of BSG system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110345212A true CN110345212A (en) | 2019-10-18 |
Family
ID=68183155
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910559079.4A Pending CN110345212A (en) | 2019-06-26 | 2019-06-26 | A kind of torsion spring stretcher of BSG system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110345212A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111550536A (en) * | 2020-06-10 | 2020-08-18 | 无锡永凯达齿轮有限公司 | Bidirectional linkage type automatic belt tensioning device |
| CN114151520A (en) * | 2021-10-11 | 2022-03-08 | 贵州吉利发动机有限公司 | Tensioner, engine and vehicle |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4564098A (en) * | 1979-06-21 | 1986-01-14 | Hormann Kg | Drive assembly for door operator |
| US20020086751A1 (en) * | 1999-06-11 | 2002-07-04 | Michael Bogner | Belt drive of an internal combustion engine |
| CN104884842A (en) * | 2012-12-26 | 2015-09-02 | 利滕斯汽车合伙公司 | Orbital tensioner assembly |
| CN206738512U (en) * | 2017-05-04 | 2017-12-12 | 青岛泰德汽车轴承股份有限公司 | A kind of double-swing arm automatic tensioner |
| CN108644327A (en) * | 2018-05-30 | 2018-10-12 | 环球传动泰州有限公司 | A kind of special tensioning device for transmission chain |
-
2019
- 2019-06-26 CN CN201910559079.4A patent/CN110345212A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4564098A (en) * | 1979-06-21 | 1986-01-14 | Hormann Kg | Drive assembly for door operator |
| US20020086751A1 (en) * | 1999-06-11 | 2002-07-04 | Michael Bogner | Belt drive of an internal combustion engine |
| CN104884842A (en) * | 2012-12-26 | 2015-09-02 | 利滕斯汽车合伙公司 | Orbital tensioner assembly |
| CN206738512U (en) * | 2017-05-04 | 2017-12-12 | 青岛泰德汽车轴承股份有限公司 | A kind of double-swing arm automatic tensioner |
| CN108644327A (en) * | 2018-05-30 | 2018-10-12 | 环球传动泰州有限公司 | A kind of special tensioning device for transmission chain |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111550536A (en) * | 2020-06-10 | 2020-08-18 | 无锡永凯达齿轮有限公司 | Bidirectional linkage type automatic belt tensioning device |
| CN114151520A (en) * | 2021-10-11 | 2022-03-08 | 贵州吉利发动机有限公司 | Tensioner, engine and vehicle |
| CN114151520B (en) * | 2021-10-11 | 2024-03-08 | 贵州吉利发动机有限公司 | Tensioner, engine and vehicle |
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Application publication date: 20191018 |
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