CN105952880B - A kind of hydraulic tensioner machine oil recirculation structure - Google Patents
A kind of hydraulic tensioner machine oil recirculation structure Download PDFInfo
- Publication number
- CN105952880B CN105952880B CN201610578213.1A CN201610578213A CN105952880B CN 105952880 B CN105952880 B CN 105952880B CN 201610578213 A CN201610578213 A CN 201610578213A CN 105952880 B CN105952880 B CN 105952880B
- Authority
- CN
- China
- Prior art keywords
- machine oil
- pedestal
- water conservancy
- conservancy diversion
- hydraulic tensioner
- 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
- 239000010721 machine oil Substances 0.000 title claims abstract description 52
- 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 claims abstract description 65
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 45
- 239000000446 fuel Substances 0.000 claims abstract description 32
- 239000003921 oil Substances 0.000 claims abstract description 26
- 210000002435 tendon Anatomy 0.000 claims description 26
- 238000009434 installation Methods 0.000 claims description 17
- 238000000465 moulding Methods 0.000 claims description 5
- 238000007789 sealing Methods 0.000 claims description 5
- 238000004064 recycling Methods 0.000 abstract description 3
- 210000003660 reticulum Anatomy 0.000 description 12
- 230000005540 biological transmission Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000001816 cooling Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000005461 lubrication Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 229920001875 Ebonite Polymers 0.000 description 1
- 230000035508 accumulation Effects 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 239000007853 buffer solution Substances 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 239000010725 compressor oil Substances 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000010705 motor oil Substances 0.000 description 1
- 230000009897 systematic effect Effects 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
- F16H57/00—General details of gearing
- F16H57/04—Features relating to lubrication or cooling or heating
- F16H57/042—Guidance of lubricant
- F16H57/0421—Guidance of lubricant on or within the casing, e.g. shields or baffles for collecting lubricant, tubes, pipes, grooves, channels or the like
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
- F01L1/00—Valve-gear or valve arrangements, e.g. lift-valve gear
- F01L1/34—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of means for changing the timing of the valves without changing the duration of opening and without affecting the magnitude of the valve lift
- F01L1/344—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of means for changing the timing of the valves without changing the duration of opening and without affecting the magnitude of the valve lift changing the angular relationship between crankshaft and camshaft, e.g. using helicoidal gear
- F01L1/348—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of means for changing the timing of the valves without changing the duration of opening and without affecting the magnitude of the valve lift changing the angular relationship between crankshaft and camshaft, e.g. using helicoidal gear by means acting on timing belts or chains
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
- F01M9/00—Lubrication means having pertinent characteristics not provided for in, or of interest apart from, groups F01M1/00 - F01M7/00
- F01M9/10—Lubrication of valve gear or auxiliaries
- F01M9/108—Lubrication of valve gear or auxiliaries of auxiliaries
-
- 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
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H57/028—Gearboxes; Mounting gearing therein characterised by means for reducing vibration or noise
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Check Valves (AREA)
Abstract
The present invention provides a kind of hydraulic tensioner machine oil recirculation structure, including stretcher housing and check valve, water conservancy diversion pedestal is fixedly mounted in the stretcher housing cavity, stretcher fuel feed hole is set on stretcher housing, the drainage trough being sequentially communicated, guiding gutter and pedestal fuel feed hole are set on the water conservancy diversion pedestal, the check valve is fixedly connected on water conservancy diversion pedestal, the stretcher fuel feed hole, pedestal fuel feed hole, the oil inlet of check valve are sequentially communicated, and the drainage trough, the oil-out of check valve communicate with stretcher housing cavity.When hydraulic tensioner works, it can be able to reenter check valve oil inlet after drainage trough, guiding gutter, pedestal fuel feed hole is flowed through successively into the part machine oil in the machine oil in stretcher housing cavity, realize recycling of the machine oil inside stretcher, the demand of machine oil is inputted so as to reduce hydraulic tensioner to engine, and then the effective output of engine is lifted.
Description
Technical field
The present invention relates to hydraulic tensioner technical field, a kind of liquid of engine timing transmission system is especially for
Press stretcher machine oil recirculation structure.
Background technology
Hydraulic tensioner is widely used in the timing driving system of internal combustion engine, and it passes through internal hydraulic pressure element shape
Damped into oil pressure, so as to absorb the vibration in transmission, to reduce the impact suffered by each part of transmission system, extend timing transmission
The service life of system, it is ensured that the accuracy and reliability of timing, and drive noise is reduced, improve the comfortableness of driving.
But existing hydraulic tensioner is in the course of the work, there is following defect：
First, hydraulic tensioner is at work, it is necessary to which the inner chamber of engine to hydraulic tensioner is oil-filled, and fluid is by liquid
Flowed out after pressure stretcher, therefore, hydraulic tensioner at work just must consumption of engine oil mass so that engine
Effective output declines.
Second, on startup, its rotating speed is relatively low for engine, and now, hydraulic tensioner constantly sucks and releases pressure oil, can
The pressure in the main oil gallery of engine can be caused to decline, so as to can not give other parts of engine provide enough machine oil with
For cooling down and lubricating, this will cause systematic part to produce inordinate wear because operating temperature is too high, and then have influence on engine
Service behaviour and complete machine working life.
The content of the invention
The technical problem to be solved in the present invention is：A kind of the problem of existing for prior art, there is provided hydraulic tensioner machine
Oily recirculation structure, the demand of machine oil is inputted to reduce hydraulic tensioner to engine.
The technical problem to be solved in the present invention is realized using following technical scheme：A kind of hydraulic tensioner machine oil recycling
Structure, including stretcher housing and check valve, water conservancy diversion pedestal is fixedly mounted in the stretcher housing cavity, in stretcher housing
It is upper that stretcher fuel feed hole is set, the drainage trough being sequentially communicated, guiding gutter and pedestal fuel feed hole are set on the water conservancy diversion pedestal, it is described
Check valve is fixedly connected on water conservancy diversion pedestal, and the stretcher fuel feed hole, pedestal fuel feed hole, the oil inlet of check valve connect successively
Logical, the drainage trough, the oil-out of check valve communicate with stretcher housing cavity.
Preferably, installation groove is set at the top of the water conservancy diversion pedestal, and its bottom sets guiding gutter, the check valve and installation
It is fixedly connected between groove with interference fit.
Preferably, the installation groove bottom sets boss, and the pedestal fuel feed hole runs through boss, the check valve installation
On boss, and sealing structure is formed between boss.
Preferably, some first convex tendons are set on the installation groove inner periphery, between first convex tendon and check valve
Form interference fit.
Preferably, described some first convex tendon ring installation groove inner peripherys are uniformly distributed.
Preferably, it is integrated molding structure between some first convex tendons and water conservancy diversion pedestal.
Preferably, some second convex tendons, second convex tendon and stretcher housing are set on the water conservancy diversion pedestal excircle
Interference fit is formed between inner chamber.
Preferably, some second convex tendon ring water conservancy diversion pedestal excircles are uniformly distributed.
Preferably, it is integrated molding structure between some second convex tendons and water conservancy diversion pedestal.
Preferably, described guiding gutter is vortex shape groove.
Compared with prior art, the beneficial effects of the invention are as follows：When hydraulic tensioner at work, engine supply machine
After stretcher fuel feed hole enters stretcher housing, machine oil will enter inside check valve oil from the oil inlet of check valve, and from list
Stretcher housing cavity is exited into the oil-out of valve, in stretcher housing cavity, due to the reciprocating motion pressure of piston
Contracting machine oil and form high oil pressure, release fit clearance of the part machine oil between housing and piston, and another part machine oil is then
Guiding gutter is entered by drainage trough, and flowed along guiding gutter, subsequently into pedestal fuel feed hole, from the machine of pedestal fuel feed hole outflow
Oil is able to reenter the oil inlet of check valve, it is achieved thereby that the recycling of machine oil, it is possible thereby to reduce hydraulic tensioning
Device to engine input machine oil demand, be advantageous to lifted engine effective output, and avoid other parts because
Fuel feeding is insufficient and causes caloric value increase and inordinate wear, to ensure the oily demand of the use of the cooling of other parts and lubrication.
Brief description of the drawings
Fig. 1 is the total structure figure of hydraulic tensioner.
Fig. 2 is a kind of three-dimensional front view of hydraulic tensioner machine oil recirculation structure of the present invention.
Fig. 3 is a kind of sectional view of hydraulic tensioner machine oil recirculation structure of the present invention.
Fig. 4 is the inverted view of the water conservancy diversion pedestal in Fig. 2 or Fig. 3.
Marked in figure：1- stretcher housings, 2- holddown springs, 3- pistons, 4- bonnets, 5- valve balls, 6- stretcher fuel feed holes,
7- water conservancy diversion pedestals, 8- back-moving springs, 9- valve seats, 41- oil-outs, 71- drainage troughs, the convex tendons of 72- first, the convex tendons of 73- second, 74-
Guiding gutter, 75- pedestal fuel feed holes, 76- boss, 77- installation grooves, 91- oil inlets.
Embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, below in conjunction with the accompanying drawings and specific implementation
The present invention is described in detail for example.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, not
For limiting the present invention.
Hydraulic tensioner machine oil recirculation structure as shown in Figure 1, Figure 2, Figure 3 shows, mainly including stretcher housing 1 and unidirectionally
Valve, stretcher fuel feed hole 6 is set on stretcher housing 1, holddown spring 2 and column are installed in the inner chamber of stretcher housing 1
Piston 3, be that gap coordinates between piston 3 and stretcher housing 1 internal chamber wall, when piston 3 works, in stretcher shell
Machine oil in the inner chamber of body 1 can be between piston 3 and stretcher housing 1 fit clearance release；The bottom of chamber in stretcher housing 1
Water conservancy diversion pedestal 7 is fixedly mounted in portion, it is preferable that is consolidated between water conservancy diversion pedestal 7 and stretcher housing 1 inner chamber with interference fit
Fixed connection.As shown in Figure 2, Figure 4 shows, installation groove 77 is set at the top of water conservancy diversion pedestal 7, its bottom sets guiding gutter 74, its center
Portion opens up pedestal fuel feed hole 75, and drainage trough 71, described drainage trough 71, guiding gutter 74, pedestal fuel feed hole are opened up on its excircle
75 are sequentially communicated.
As shown in figure 3, described check valve includes bonnet 4, valve ball 5 and valve seat 9, oil-out 41 is opened up on bonnet 4,
Oil inlet 91 is opened up on valve seat 9, is fixedly connected between the bonnet 4 and valve seat 9 with interference fit, or with riveting method
It is fixedly connected, described valve ball 5 is movably arranged in the inner chamber that bonnet 4 is formed with valve seat 9, is set between valve ball 5 and bonnet 4
Back-moving spring 8.When organic oil enters inside check valve from oil inlet 91, the pressure of machine oil will push valve ball 5 open and make reset bullet
Spring 8 is extruded contraction, until oil inlet 91 and the mutual conduction of oil-out 41, now, machine oil flows out check valve by oil-out 41,
And enter the inner chamber of stretcher housing 1；But when no machine oil enters inside check valve from oil inlet 91, back-moving spring 8 is multiple
Position, and make to recover sealing state between valve ball 5 and oil inlet 91, so as to limit the backflow of the machine oil in the inner chamber of stretcher housing 1.
Several oil-outs 41 can be set on bonnet 4, and the ring valve lid 4 of oil-out 41 is uniformly distributed, as shown in Fig. 2 to ensure
Can be evenly into the inner chamber of stretcher housing 1 by the machine oil of check valve.
Described check valve can by between the installation groove 77 on bonnet 4 and water conservancy diversion pedestal 7 formed interference fit and
It is fixedly connected on water conservancy diversion pedestal 7, the holddown spring 2 compresses the check valve being mutually permanently connected and the entirety of water conservancy diversion pedestal 7
In the intracavity bottom of stretcher housing 1, meanwhile, make stretcher fuel feed hole 6, pedestal fuel feed hole 75, check valve oil inlet 91 successively
Connection, the drainage trough 71, check valve oil-out 41 communicate with the inner chamber of stretcher housing 1.
When hydraulic tensioner at work, the machine oil of engine supply enters stretcher housing 1 from stretcher fuel feed hole 6
Afterwards, machine oil enters elder generation inside check valve from the oil inlet 91 of check valve, using the pressure top valve opening ball 5 of machine oil, makes machine oil can
Flowed out, and entered in the inner chamber of stretcher housing 1 with passing through the oil-out 41 of check valve；In the inner chamber of stretcher housing 1
In machine oil, form high oil pressure due to the reciprocating compressor oil of piston 3, make part machine oil from stretcher housing 1 with it is living
Fit clearance between plug 3 is released, and is impacted with buffer system, and another part machine oil then enters guiding gutter by drainage trough 71
74, and flowed along guiding gutter 74, subsequently into pedestal fuel feed hole 75；The machine oil flowed out from pedestal fuel feed hole 75 is then able to again
Into the oil inlet 91 of check valve, it is achieved thereby that thering is part machine oil to be recycled in the machine oil of engine input hydraulic pressure stretcher
Utilize, thus, it is possible to reduce the demand that hydraulic tensioner inputs engine in machine oil, be advantageous to lift the effective defeated of engine
Go out power, avoid other parts from causing caloric value increase and inordinate wear because of fuel feeding deficiency, to ensure other parts
Cooling and the oily demand of use of lubrication.
For the ease of the assembling of water conservancy diversion pedestal 7, the processing cost of water conservancy diversion pedestal 7 is reduced, generally, the water conservancy diversion pedestal 7 can
To be made of the hard rubber material such as PA materials or fluorubber material.Due to water conservancy diversion pedestal 7 and the inner chamber of stretcher housing 1 it
Between be typically to be fixedly connected with interference fit, the check valve is also typically by the installation on bonnet 4 and water conservancy diversion pedestal 7
Interference fit is formed between groove 77 and is fixedly connected on water conservancy diversion pedestal 7, in the assembling process for forming over-surplus fit structure,
If between the excircle of water conservancy diversion pedestal 7 and the inner chamber of stretcher housing 1, the inner periphery of water conservancy diversion pedestal 7 contacts with the cooperation between bonnet 4
Area is excessive, and during press fitting, excircle, the inner periphery of water conservancy diversion pedestal 7 easily cause flash because of friction, so as to influence
It is full of the fastening reliability of cooperation, meanwhile, also chip can be produced because of phase mutual friction during press fitting, these debris accumulations are excessive,
Machine oil is not only polluted, and the blocking of check valve may be caused.Therefore, can be in the inner periphery of water conservancy diversion pedestal 7, namely installation groove
77 inner peripherys, several equally distributed first convex tendons 72 of inner periphery of ring installation groove 77, first convex tendon 72 and valve are set
Formed a fixed connection between lid 4 with interference fit, similarly, some ring water conservancy diversion bases are set on the excircle of water conservancy diversion pedestal 7
Seat equally distributed second convex tendon 72 of 7 excircles, with interference fit side between the second convex tendon 72 and stretcher housing 1 inner chamber
Formula forms a fixed connection, as shown in Figure 2, Figure 3, Figure 4.
By setting the first convex tendon 72 to make between water conservancy diversion pedestal 7 and bonnet 4 with an interference fit shape contacted
Into being fixedly connected, similarly, by set the second convex tendon 72 can also make between water conservancy diversion pedestal 7 and the inner chamber of stretcher housing 1 with
The interference fit of point contact forms a fixed connection, so as to greatly reduce the coordinate contact surfac product during press fitting,
Reduce friction area, be not only pressed it is more laborsaving, and considerably reduce press fitting during amount of debris, ensure that machine oil follows
The cleannes that ring utilizes, the blocking that effectively prevent check valve occur.Wherein, the first described convex tendon 72, the second convex tendon 72
Integrated molding structure is formed between water conservancy diversion pedestal 7 respectively, not only processes, be molded easily, and bonding strength is reliable.
When, with interference fit or when being formed a fixed connection with riveting method, may causing between bonnet 4 and valve seat 9
The deformation of valve seat 9, and then make the seal failure of contact site between the bottom of valve seat 9 and water conservancy diversion pedestal 7.Therefore, can be in water conservancy diversion
The bottom of installation groove 77 on pedestal 7 sets boss 76, and the pedestal fuel feed hole 75 runs through boss 76, and the check valve is arranged on
On boss 76, and contacted with each other by the bottom of valve seat 9 and the top surface of boss 76 to form sealing structure.By setting boss 76 can be with
Compensate the deflection of valve seat 9, it is ensured that the bottom of valve seat 9 and the top surface of boss 76 contact with each other the sealing reliability at position.Such as Fig. 4 institutes
Show, the guiding gutter 74 on the water conservancy diversion pedestal 7 can use vortex shape groove, and one end of guiding gutter 74 of swirl shape with
Pedestal fuel feed hole 75 communicates, and the other end communicates with drainage trough 71, when machine oil is during the guiding gutter 74 is flowed through, its helical form
Flowing will reduce machine oil flow resistance, the machine oil being had influence on preventing oil flow rate excessive in the inner chamber of stretcher housing 1
Oil pressure.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, it is noted that all
All any modification, equivalent and improvement made within the spirit and principles in the present invention etc., it should be included in the guarantor of the present invention
Within the scope of shield.
Claims (10)
- A kind of 1. hydraulic tensioner machine oil recirculation structure, it is characterised in that：It is described including stretcher housing (1) and check valve Water conservancy diversion pedestal (7) is fixedly mounted in stretcher housing (1) inner chamber, stretcher fuel feed hole (6) is set on stretcher housing (1), The drainage trough (71) being sequentially communicated, guiding gutter (74) and pedestal fuel feed hole (75) are set on the water conservancy diversion pedestal (7), it is described unidirectional Valve is fixedly connected on water conservancy diversion pedestal (7), the stretcher fuel feed hole (6), pedestal fuel feed hole (75), the oil inlet of check valve (91) it is sequentially communicated, the drainage trough (71), the oil-out (41) of check valve communicate with stretcher housing (1) inner chamber.
- A kind of 2. hydraulic tensioner machine oil recirculation structure according to claim 1, it is characterised in that：The water conservancy diversion pedestal (7) top sets installation groove (77), and its bottom sets guiding gutter (74), with mistake between the check valve and installation groove (77) The fit system that is full of is fixedly connected.
- A kind of 3. hydraulic tensioner machine oil recirculation structure according to claim 2, it is characterised in that：The installation groove (77) bottom sets boss (76), and the pedestal fuel feed hole (75) runs through boss (76), and the check valve is arranged on boss (76) On, and form sealing structure between boss (76).
- A kind of 4. hydraulic tensioner machine oil recirculation structure according to claim 2 or 3, it is characterised in that：The peace Some first convex tendons (72) are set on dress groove (77) inner periphery, first convex tendon (72) forms interference between check valve and matched somebody with somebody Close.
- A kind of 5. hydraulic tensioner machine oil recirculation structure according to claim 4, it is characterised in that：Described some One convex tendon (72) ring installation groove (77) inner periphery is uniformly distributed.
- A kind of 6. hydraulic tensioner machine oil recirculation structure according to claim 4, it is characterised in that：Described some first It is integrated molding structure between convex tendon (72) and water conservancy diversion pedestal (7).
- A kind of 7. hydraulic tensioner machine oil recirculation structure according to claim any one of 1-3, it is characterised in that：It is described Some second convex tendons (72) are set on water conservancy diversion pedestal (7) excircle, second convex tendon (72) and stretcher housing (1) inner chamber it Between formed interference fit.
- A kind of 8. hydraulic tensioner machine oil recirculation structure according to claim 7, it is characterised in that：Described some second Convex tendon (72) ring water conservancy diversion pedestal (7) excircle is uniformly distributed.
- A kind of 9. hydraulic tensioner machine oil recirculation structure according to claim 7, it is characterised in that：Described some second It is integrated molding structure between convex tendon (72) and water conservancy diversion pedestal (7).
- A kind of 10. hydraulic tensioner machine oil recirculation structure according to claim any one of 1-3, it is characterised in that：Institute The guiding gutter (74) stated is vortex shape groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610578213.1A CN105952880B (en) | 2016-07-21 | 2016-07-21 | A kind of hydraulic tensioner machine oil recirculation structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610578213.1A CN105952880B (en) | 2016-07-21 | 2016-07-21 | A kind of hydraulic tensioner machine oil recirculation structure |
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| Publication Number | Publication Date |
|---|---|
| CN105952880A CN105952880A (en) | 2016-09-21 |
| CN105952880B true CN105952880B (en) | 2018-03-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610578213.1A Active CN105952880B (en) | 2016-07-21 | 2016-07-21 | A kind of hydraulic tensioner machine oil recirculation structure |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5030169A (en) * | 1989-05-31 | 1991-07-09 | Nissan Motor Co., Ltd. | Chain tensioner |
| JP2008208945A (en) * | 2007-02-27 | 2008-09-11 | Tsubakimoto Chain Co | Hydraulic tensioner |
| CN203548751U (en) * | 2013-10-24 | 2014-04-16 | 浙江庆源车业部件有限公司 | Automobile timing chain tensioner |
| CN204284328U (en) * | 2014-10-28 | 2015-04-22 | 绵阳富临精工机械股份有限公司 | A kind of limited pressure stretcher |
| CN205824133U (en) * | 2016-07-21 | 2016-12-21 | 绵阳富临精工机械股份有限公司 | A kind of hydraulic tensioner machine oil recirculation structure |
-
2016
- 2016-07-21 CN CN201610578213.1A patent/CN105952880B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5030169A (en) * | 1989-05-31 | 1991-07-09 | Nissan Motor Co., Ltd. | Chain tensioner |
| JP2008208945A (en) * | 2007-02-27 | 2008-09-11 | Tsubakimoto Chain Co | Hydraulic tensioner |
| CN203548751U (en) * | 2013-10-24 | 2014-04-16 | 浙江庆源车业部件有限公司 | Automobile timing chain tensioner |
| CN204284328U (en) * | 2014-10-28 | 2015-04-22 | 绵阳富临精工机械股份有限公司 | A kind of limited pressure stretcher |
| CN205824133U (en) * | 2016-07-21 | 2016-12-21 | 绵阳富临精工机械股份有限公司 | A kind of hydraulic tensioner machine oil recirculation structure |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105952880A (en) | 2016-09-21 |
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Address after: 621000 No. 268, Banqiao street, Fucheng District, Mianyang City, Sichuan Province Patentee after: Mianyang Fulin Jinggong Co.,Ltd. Address before: 621000 No. 268, Banqiao street, Fucheng District, Mianyang City, Sichuan Province Patentee before: MIANYANG FULIN PRECISION MACHINING Co.,Ltd. |
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Address after: 621000 No. 268, Banqiao street, Fucheng District, Mianyang City, Sichuan Province Patentee after: Fulin Precision Co.,Ltd. Country or region after: China Address before: 621000 No. 268, Banqiao street, Fucheng District, Mianyang City, Sichuan Province Patentee before: Mianyang Fulin Jinggong Co.,Ltd. Country or region before: China |