CN208718745U - A kind of cam phase adjuster - Google Patents
A kind of cam phase adjuster Download PDFInfo
- Publication number
- CN208718745U CN208718745U CN201821376421.4U CN201821376421U CN208718745U CN 208718745 U CN208718745 U CN 208718745U CN 201821376421 U CN201821376421 U CN 201821376421U CN 208718745 U CN208718745 U CN 208718745U
- Authority
- CN
- China
- Prior art keywords
- stator
- support sleeve
- rear cover
- cam phase
- phase adjuster
- 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.)
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Links
- 238000009434 installation Methods 0.000 abstract description 13
- RDYMFSUJUZBWLH-UHFFFAOYSA-N endosulfan Chemical compound C12COS(=O)OCC2C2(Cl)C(Cl)=C(Cl)C1(Cl)C2(Cl)Cl RDYMFSUJUZBWLH-UHFFFAOYSA-N 0.000 description 6
- 239000007788 liquid Substances 0.000 description 4
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 4
- 230000002093 peripheral effect Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000005267 amalgamation Methods 0.000 description 2
- 230000003139 buffering effect Effects 0.000 description 2
- 210000000078 claw Anatomy 0.000 description 2
- 239000003921 oil Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 241000469816 Varus Species 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 239000010705 motor oil Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Landscapes
- Chairs For Special Purposes, Such As Reclining Chairs (AREA)
Abstract
The utility model discloses a kind of cam phase adjusters, including sprocket wheel, the stator being arranged on sprocket wheel, the rear cover for closing mounting base, the connector for being provided with and being connected with stator is covered afterwards, it is covered after described and is provided with reset spring, several buckle blocks are provided on the connector, the inner ring of the reset spring is connected with the interior crotch engaged with buckle block, the avris of the rear cover is provided with the support sleeve abutted with reset spring outer ring, limited block is provided on the inside of the support sleeve, the outer ring of the reset spring is provided with the outer latch closure engaged with limited block；The advantages of with facilitating staff to install, and can accurately see the installation situation of reset spring, reduce fault when installation.
Description
Technical field
The utility model belongs to phaser technical field, refers in particular to a kind of cam phase adjuster.
Background technique
Variable valve timing system changes engine valve by intelligence and is opened and closed the moment, can promote engine power, torque,
Fuel consumption and discharge are reduced, is one of Oil-saving for Modern Motor Vehicles emission reduction new technology.Cam phase adjuster is variable valve timing
Executive device, volute spring is set on phaser, can be improved the response speed of phaser, control stability and realizing is shut down
It resets.
The patent for invention of Patent No. CN201611224859.6 provides a kind of cam phaser plane scroll spring
Fixed device has the cover board and stator fixed by cylindrical positioning pins force fit；Spring base is equipped with above cover board；In stator
Portion is placed with rotor；Winding is equipped with plane scroll spring, plane and lower part of the spring base by upper part between spring base and cover board
The cylinder divided is arranged in second level cylinder step bathtub construction, and the cylindrical base of spring base is opened notch at two and had centrosymmetric
Outside two pawl；Inside two claw on cover board covers outside two pawl on spring base；Two protrusion in outside two pawl and rotor pit
It offsets, and rotates counterclockwise inside two claw for being caught in cover board together by the inner ring hook of spring base drive plane scroll spring
It is interior；The inner ring hook of plane scroll spring catches on the varus hook on the cylinder of spring base, the outer ring hook of plane scroll spring
Catch on the cylindrical positioning pins of insertion stator pin hole.This invention simplifies the structure of cam phaser, part and assembly processes, reduce
Cost.
But the fixed device of the plane scroll spring needs more complicated manufacturing step in production, and with plane
When scroll spring is fixed, which is located above plane scroll spring, is easy to influence sight during installation, will lead to plane
The case where scroll spring and fixed equipment safety engaging, it will appear the feelings that plane scroll spring and fixed device are detached from when in use
Condition influences the using effect of phaser.
Utility model content
The purpose of the utility model is to provide a kind of cam phase adjuster, have and staff is facilitated to install, and can
The advantages of accurately to see the installation situation of volute spring, reduce fault when installation.
The above-mentioned technical purpose of the utility model has the technical scheme that
A kind of cam phase adjuster, including sprocket wheel, the stator being arranged on sprocket wheel, the rear cover for closing mounting base,
The connector for being provided with and being connected with stator is covered afterwards, covers after described and is provided with volute spring, if being provided on the connector
Dry buckle block, the inner ring of the volute spring are connected with the interior crotch engaged with buckle block, the avris of the rear cover be provided with and
The support sleeve that volute spring outer ring abuts is provided with limited block, the outer ring setting of the volute spring on the inside of the support sleeve
There is the outer latch closure engaged with limited block.
Preferably, the two sides of the limited block are connected separately with the first arc section and the second circular arc being connected with support sleeve
Section.
Preferably, first arc section is provided with guide holder far from the side of limited block, and the outer ring, which is buckled, to be provided with
With the inclined-plane of guide holder cooperation.
Preferably, setting is covered after described there are two positioning pin, the positioning pin is set to the inner ring of volute spring and outer
Between circle.
Preferably, the support sleeve is arranged with back cover far from one end of rear cover, and support sleeve is completely covered back cover.
Preferably, it is provided with recessed portion on the side wall of the support sleeve, is provided on the back cover and engages with recessed portion
Tight lock part.
Preferably, boss is provided between the sprocket wheel and stator, the boss is abutted with stator, the boss and sprocket wheel
It is integrally formed, the side wall of the boss is provided with several signal receivers.
In conclusion the utility model has the following beneficial effects:
1, during installation, connector and stator are fixed first, covered after then volute spring is placed on, interior crotch is passed through
Engage with buckle block, volute spring and connector are fixed, and there is no shelter, staff's installations above connector
When, it can clearly see very much whether interior crotch engages completely with buckle block；Then again by volute spring around the axis of stator
Line is curled up, and is engaged by outer latch closure with limited block, the outer ring of volute spring is engaged with support sleeve, by volute spring
It is fixed with rear cover, the both ends of volute spring are fixed, facilitate staff to install, and can accurately see volute spring
Installation situation reduces fault when installation.
2, setting arc section is connected with limited block, so that, by arc section transition, facilitating work people when installation volute spring
Member installation, and reduce installation or disassembly when volute spring abrasion.
3, setting guide part facilitates work people so that there are certain intervals for the side wall of the end of volute spring and support sleeve
Member's installation.
4, support sleeve is covered by back cover, the end face of rear cover is closed, reinforce the protection to volute spring, reduced extraneous
Damage of the factor to volute spring；And is engaged by recessed portion with tight lock part, back cover is fixed on support sleeve and is fixed, after preventing
Cover falls off.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of embodiment；
Fig. 2 is the explosive view of embodiment；
Fig. 3 is the structural schematic diagram that embodiment removes back cover；
Fig. 4 is the enlarged drawing in the portion A in implementation example figure 3；
Fig. 5 is the structural schematic diagram of stator in embodiment, rotor, connector.
In figure, 1, sprocket wheel；2, stator；3, rear cover；4, rotor；5, signal panels；6, link block；7, volute spring；8, it connects
Head；9, block is buckled；10, interior crotch；11, support sleeve；12, limited block；121, protrusion；122, the first arc section；123, second
Arc section；13, outer latch closure；14, guide holder；15, positioning pin；16, back cover；171, recessed portion；18, boss.
Specific embodiment
The present invention is described further with specific embodiment below.
As depicted in figs. 1 and 2, a kind of cam phase adjuster includes sprocket wheel 1, and one end of sprocket wheel 1 is provided with boss 18, convex
The avris of platform 18 is provided with several signal receivers, and boss 18 is provided with stator 2 far from the side of sprocket wheel 1, is provided in stator 2
Rotor 4, rotor 4 and sprocket wheel 1, stator 2 are coaxially disposed, and rotor 4 is completely disposed in stator 2, after the end face of stator 2 is connected with
The lower end of lid 3, rear cover 3 is abutted with the end face of stator 2, and the diameter of rear cover 3 is less than the diameter of stator 2, and rear cover 3 is arranged along its axis
There is first shaft hole.
Through several first mounting holes are arranged on stator 2, the present embodiment shows 5 the first mounting holes, is arranged on boss 18
There is the second mounting hole with the cooperation of the first mounting hole, the third mounting hole with the cooperation of the first mounting hole, rear cover are provided on stator 2
The screw rod of the first mounting hole, the second mounting hole, third mounting hole is inserted with while run through on 3, the nut and rear cover 3 on screw rod
End abutment.
As shown in Figures 2 and 3, rear cover 3 is provided with volute spring 7 far from one end of stator 2, and the avris of rear cover 3 is provided with
The support sleeve 11 abutted with 7 outer ring of volute spring.11 outer sheath of support sleeve is equipped with back cover 16, the inner wall and support sleeve 11 of back cover 16
Outer ring abut, support sleeve 11 is completely covered back cover 16, and back cover 16 is abutted with stator 2, the diameter of back cover 16 and stator 2
Diameter it is equal.Recessed portion 17 is provided on the side wall of support sleeve 11, recessed portion 17 is set to the outside of protrusion 121, back cover
The tight lock part (not regarding out in figure) engaged with recessed portion 17 is provided on 16.
Connector 8 is provided between stator 2 and back cover 16, connector 8 is placed in the first shaft hole of rear cover 3, connector 8
Outer wall is abutted with the inner wall of first shaft hole.It is provided through the first rivet hole on connector 8, is provided on stator 2 and the first rivet hole
Second rivet hole of cooperation, connector 8 and stator 2 penetrate the first rivet hole and the second rivet hole by rivet interlacement, rivet.Connector 8
Outer wall abutted with the inner ring of volute spring 7, be provided with several buckle blocks 9 on connector 8, the corner setting of buckle block 9 is in circle
Arcuation, the inner ring of volute spring 7 are connected with interior crotch 10, and interior crotch 10 engages with any buckle block 9, by 7 He of volute spring
Connector 8 is fixed.
As shown in Figure 3 and Figure 4, limiting component is provided between support sleeve 11 and volute spring 7, limiting component includes setting
The first limited block 12 in support, the first limited block 12 include lug boss, for connecting protrusion 121 and support sleeve 11
One arc section 122 and the second arc section 123, the first arc section 122 and the second arc section 123 two sides with protrusion 121 respectively
It is connected, the outer ring of volute spring 7 is connected with outer latch closure 13, and outer latch closure 13 engages with the first limited block 12, and outer latch closure 13
Inner wall is bonded with protrusion 121, arc section.
Second arc section 123 is set to protrusion 121 towards the side of excurvation end of thread mouth, and the first arc section 122 is far from prominent
The one end for playing portion 121 is connected with guide holder 14, and the end of outer latch closure 13 is provided with the inclined-plane abutted with guide holder 14.
As shown in figure 5, also set up on rear cover 3 there are two location hole, positioning hole is inserted with positioning pin 15, positioning pin 15 with
Location hole is installed by interference.Positioning pin 15 is set between the inner ring and outer ring of volute spring 7.
It is provided with several pressure maintaining chambers on stator 2, is provided with uniformly distributed blade on the outside of the pedestal of rotor 4, blade protrudes into guarantor
It presses intracavitary and pressure maintaining chamber is divided into angle pressure maintaining chamber and delay angle pressure maintaining chamber, 4 pedestal of rotor and blade are an integral structure,
The inner peripheral surface undamped patch amalgamation liquid sealing of the outer circumference surface and stator 2 of 4 pedestal of rotor, the outer circumference surface and pressure maintaining chamber of blade
Inner peripheral surface undamped patch amalgamation liquid sealing.4 pedestal of rotor of the utility model and the integral structure of blade can be mentioned effectively
High manufacturing accuracy, while can be reduced to avoid rigging error, the frictional force cooperated between rotor 4 and stator 2 minimum, it improves
Service life.
Evagination forms protrusion on the inner wall of pressure maintaining chamber two sides, in the embeddable corresponding dashpot of protrusion；The blade rotation
When approaching pressure maintaining chamber side wall to one side, dashpot and convex block with merge truncation respective side into angle pressure maintaining chamber or delay angle pressure maintaining chamber
(as shown in Figure 2), dashpot and convex block cooperation are truncated into angle pressure maintaining chamber, which refers to that stator 2 is being approached with rotor 4 to certain
When position, dashpot and convex block buffering cooperation are sealed overflow to hydraulic, to avoid generating between stator 2 and rotor 4 straight
Shock is connect, mute operating is fully achieved.In the present embodiment, the protrusion of blade two sides is respectively arranged with one piece, however, protrusion is set
Being arranged to two or more only is the simple superposition of the design, it should also belong to the protection scope of the utility model.
The outer end face of blade and the inner peripheral surface of pressure maintaining chamber are arc surface cooperation, to realize the outer end face and pressure maintaining chamber of blade
Inner peripheral surface suspension design close to each other, in the case where guaranteeing that oil liquid is difficult to overflow, basic realize eliminates frictional resistance.
The outside of protrusion is convex arc surface, and the buffering effect generated when making oil liquid from high spot to underflow stream is more preferably.
The outside left for being located at protrusion into angle pressure maintaining chamber, which is provided with, stores up miscellaneous chamber, and in operation process, engine is operated for a long time
Engine oil impurity or greasy filth can be generated, storing up miscellaneous chamber can be very good to meet various use environments, and storage space is made miscellaneous using centrifugal force
Matter be deposited in storage it is miscellaneous intracavitary, prevent system clamping stagnation, guarantee VVT initial angle can normal reset, improve Engine Durability.
Above-described embodiment is only the preferred embodiment of the utility model, not limits the protection model of the utility model according to this
It encloses, therefore: the equivalence changes that all structures, shape, principle according to the utility model are done should all be covered by the protection of the utility model
Within the scope of.
Claims (7)
1. a kind of cam phase adjuster, including sprocket wheel (1), the stator (2) being arranged on sprocket wheel (1), for closing mounting base
Rear cover (3), it is characterised in that: be provided with the connector (8) being connected with stator (2) on rear cover (3), set on the rear cover (3)
It is equipped with volute spring (7), several buckle blocks (9), the inner ring connection of the volute spring (7) is provided on the connector (8)
There is the interior crotch (10) engaged with buckle block (9), the avris of the rear cover (3) is provided with to abut with volute spring (7) outer ring
Support sleeve (11) is provided with limited block (12) on the inside of the support sleeve (11), the outer ring of the volute spring (7) be provided with
The outer latch closure (13) of limited block (12) engaging.
2. a kind of cam phase adjuster according to claim 1, it is characterised in that: the limited block (12) includes protrusion
Portion (121), the two sides of protrusion (121) are connected separately with the first arc section (122) being connected with support sleeve (11) and the second circle
Segmental arc (123).
3. a kind of cam phase adjuster according to claim 2, it is characterised in that: first arc section (122) is remote
Side from limited block (12) is provided with guide holder (14).
4. a kind of cam phase adjuster according to claim 1, it is characterised in that: be provided with two on the rear cover (3)
A positioning pin (15), the positioning pin (15) are set between the inner ring and outer ring of volute spring (7).
5. a kind of cam phase adjuster according to claim 1, it is characterised in that: the support sleeve (11) is far from rear cover
(3) one end is arranged with back cover (16), and support sleeve (11) is completely covered back cover (16).
6. a kind of cam phase adjuster according to claim 5, it is characterised in that: on the side wall of the support sleeve (11)
It is provided with recessed portion (17), recessed portion (17) is set to the outside of protrusion (121), is provided with and is recessed on the back cover (16)
The tight lock part of portion (17) engaging.
7. a kind of cam phase adjuster according to claim 1, it is characterised in that: the sprocket wheel (1) and stator (2) it
Between be provided with boss (18), the boss (18) abuts with stator (2), and the boss (18) and sprocket wheel (1) are integrally formed, described
The side wall of boss (18) is provided with several signal receivers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821376421.4U CN208718745U (en) | 2018-08-25 | 2018-08-25 | A kind of cam phase adjuster |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821376421.4U CN208718745U (en) | 2018-08-25 | 2018-08-25 | A kind of cam phase adjuster |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208718745U true CN208718745U (en) | 2019-04-09 |
Family
ID=65979334
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821376421.4U Active CN208718745U (en) | 2018-08-25 | 2018-08-25 | A kind of cam phase adjuster |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208718745U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111794823A (en) * | 2020-07-14 | 2020-10-20 | 安徽聚源昕锐精密机械有限公司 | Low-loss camshaft sprocket and maintenance method |
-
2018
- 2018-08-25 CN CN201821376421.4U patent/CN208718745U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111794823A (en) * | 2020-07-14 | 2020-10-20 | 安徽聚源昕锐精密机械有限公司 | Low-loss camshaft sprocket and maintenance method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 318054 Shang Tao village, Feng Jiang Street, Luqiao District, Taizhou, Zhejiang Patentee after: Zhejiang Fujie De Automotive Systems Co.,Ltd. Address before: 318054 Shang Tao village, Feng Jiang Street, Luqiao District, Taizhou, Zhejiang Patentee before: ZHEJIANG FUJIEDE AUTOMOTIVE SYSTEMS CO.,LTD. |
|
| CP03 | Change of name, title or address |