CN206592165U - A kind of engine Bi Gang mechanisms - Google Patents
A kind of engine Bi Gang mechanisms Download PDFInfo
- Publication number
- CN206592165U CN206592165U CN201720122614.6U CN201720122614U CN206592165U CN 206592165 U CN206592165 U CN 206592165U CN 201720122614 U CN201720122614 U CN 201720122614U CN 206592165 U CN206592165 U CN 206592165U
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- Prior art keywords
- arm body
- rear arm
- cylinder
- engine
- regulation
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Classifications
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- 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
- F01L1/12—Transmitting gear between valve drive and valve
- F01L1/18—Rocking arms or levers
- F01L1/185—Overhead end-pivot rocking arms
-
- 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
- F01L1/12—Transmitting gear between valve drive and valve
- F01L1/18—Rocking arms or levers
- F01L2001/186—Split rocking arms, e.g. rocker arms having two articulated parts and means for varying the relative position of these parts or for selectively connecting the parts to move in unison
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Valve-Gear Or Valve Arrangements (AREA)
- Valve Device For Special Equipments (AREA)
Abstract
The utility model is intended to the economy for making car improve engine when city operating mode is travelled and reduces the discharge of engine, a kind of engine Bi Gang mechanisms are provided, including valve, close cylinder rocking arm, camshaft, hydraulic lash adjuster and magnetic valve, the described cylinder rocking arm that closes includes rear arm body, rocking arm roller, secondary spring, front arm body, roller bearing, rear arm body, rocking arm roller, secondary spring and front arm body are sleeved on roller bearing, secondary spring is stuck between rear arm body and front arm body, the working face of front arm body is pressed on valve, the working face of rear arm body is pressed on hydraulic lash adjuster, there is the regulation chamber of insertion rear arm body on rear arm body, regulation intracavitary has the structure of regulation rear arm body and the motion of front arm body, the utility model closes cylinder oil circuit without increase, rocker body before and after cylinder rocking arm is closed by the high high adjustment of solenoid valve control oil pressure to separate and be implemented in combination with closing cylinder function, improve engine economy and emission performance.
Description
Technical field
The utility model belongs to technical field of automobile engine, is related to a kind of engine Bi Gang mechanisms, applies in gasoline hair
In motivation, it is particularly suitable for use on luxury multi-cylinder motorcar engine.
Background technology
When car is travelled in city, due to wait traffic lights and inevitable urban congestion situation, engine has
When only work at part load.When gasoline engine is run under this slow-speed of revolution sub-load, economy and discharge all extreme differences, such as
Fruit at the low rotational speed close engine partial cylinders, while improve engine load rate, it is possible to reduce pumping loss and
Mechanical loss, makes engine have more preferable economy and discharge.
At present, mainly there are combination rocker-arm, cam movement form, hydraulic tappet shape in the Bi Gang mechanisms applied on the engine
Several mechanisms such as formula, electric-liquid type.Wherein, cam movement form is by motor or magnetic valve drive on the basis of combined camshaft
Peach carries out closing cylinder control, complicated, and control is difficult.And the control model structure of pure hydraulic control form and magnetic valve form
It is extremely complex, bulky, dabble that technological difficulties are more, cost is also very high.Combine the change of rocking arm form and hydraulic tappet form
It is smaller, it is easy to accomplish.The cylinder structure that closes of Honda Accord utilization belongs to combination rocker-arm, and the rocking arm that Honda Company uses can be referred to as
Plunger type connecting rod rocking arm, the rocking arm include close cylinder rocking arm and normal work rocking arm two parts, by magnetic valve into oil pocket it is oil-filled
Control plunger is moved to realize the break-make of connecting rod rocking arm, and then cylinder is closed in realization, and wherein connecting rod rocker structure is complicated, bulky,
Four oil circuits of increase are used to close cylinder control, and need to be provided with height two parts cam peach on camshaft.
The content of the invention
The utility model is intended to the economy for making car improve engine when city operating mode is travelled and reduction engine
Discharge there is provided a kind of engine Bi Gang mechanisms.
Technical problem of the present utility model is solved by the following technical programs：
A kind of engine Bi Gang mechanisms, including valve, for closing closing cylinder rocking arm, being arranged on and close in the middle part of cylinder rocking arm for valve
The camshaft of top, hydraulic lash adjuster and the magnetic valve that cylinder oil pressure is closed for adjusting is covered installed in cylinder, closed
The working face of cylinder one end is pressed on valve, and the working face of the other end is pressed on hydraulic lash adjuster, it is characterised in that institute
The cylinder rocking arm that closes stated includes rear arm body, rocking arm roller, secondary spring, front arm body, roller bearing, rear arm body, rocking arm rolling
Son, secondary spring and front arm body are sleeved on roller bearing, and one end of secondary spring is stuck on rear arm body, other end card
On front arm body, the working face of front arm body is pressed on valve, and the working face of rear arm body is pressed on hydraulic lash adjuster,
Have on rear arm body and left regulation chamber lid is installed in the regulation chamber of insertion rear arm body, regulation chamber left end face, regulation chamber is right
Right regulation chamber lid is installed, regulation intracavitary is provided with adjustment pin, installed between adjustment pin and right regulation chamber lid on side end face
There is regulation spring, rear arm body, which is located at the position above in the middle part of regulation chamber, is provided with the limit pin hole connected with regulation chamber, limit
The groove for having width to be more than spacer pin diameter on one piece of spacer pin, adjustment pin upper surface, spacer pin lower end are fitted with the pin-and-hole of position
Having on face and the contact of adjustment pin upper surface groove, rear arm body in rear arm body breach, adjustment pin has and rear arm body breach shape
There is the front arm body projection of pluggable rear arm body breach and adjustment pin breach on shape identical adjustment pin breach, front arm body,
The ball-and-socket oilhole connected with regulation chamber is machined with ball-and-socket on the working face of rear arm body.
A kind of engine Bi Gang mechanisms described in the utility model close cylinder rocker structure simply, and driving is convenient, it is not necessary to
Cylinder oil circuit is closed in extra increase, and solenoid valve control oil pressure height is closed by original oil circuit progress fuel feeding of hydraulic lash adjuster
Cylinder rocking arm, is closed before and after cylinder rocking arm the separation of rocker body and is combined and realize the contact with camshaft by regulation.Front and rear rocker body
With reference to when, camshaft actuated closes cylinder rocking arm, close cylinder rocking arm drive valve opening and closing, realize that cylinder normally puts firer
Make, it is adaptable to high load working condition；During front and rear rocker body separation, camshaft actuated closes the idle running of cylinder rocking arm, and closing cylinder rocking arm will not drive
Valve is operated, and realizes that partial cylinders close cylinder function, it is adaptable to partial load condition.Pass through cutting for both the above working condition
Bringing improves the economy and emission performance of engine.
Brief description of the drawings
Fig. 1 is the structure and engine assembly schematic diagram of a kind of engine Bi Gang mechanisms described in the utility model；
Fig. 2 is a kind of sectional view for closing cylinder rocking arm of engine Bi Gang mechanisms described in the utility model；
Fig. 3 is a kind of axonometric drawing for closing cylinder rocking arm of engine Bi Gang mechanisms described in the utility model；
Fig. 4 is a kind of sectional view A-A of the regulation chamber for closing cylinder rocking arm of engine Bi Gang mechanisms described in the utility model；
Fig. 5 is a kind of the quick-fried of the part of the regulation intracavitary for closing cylinder rocking arm of engine Bi Gang mechanisms described in the utility model
Fried figure；
Fig. 6 is a kind of valve actuating mechanism in engine work of engine Bi Gang mechanisms described in the utility model
Schematic diagram；
Fig. 7 is that a kind of engine of engine Bi Gang mechanisms described in the utility model closes gazogene when cylinder is controlled in realization
The schematic diagram of structure；
Fig. 8 is a kind of structural representation of the rear arm body for closing cylinder rocking arm of engine Bi Gang mechanisms described in the utility model
Figure；
Fig. 9 is a kind of structure of the adjustment pin of the rear arm body for closing cylinder of engine Bi Gang mechanisms described in the utility model
Schematic diagram；
Figure 10 is that a kind of structure of the front arm body for closing cylinder rocking arm of engine Bi Gang mechanisms described in the utility model is shown
It is intended to；
Figure 11 is that a kind of engine of engine Bi Gang mechanisms described in the utility model closes course of work when cylinder is controlled
Schematic diagram；
In figure：1. cylinder rocking arm is closed, 2. magnetic valves, 3. camshafts, 4. valves, 5. hydraulic lash adjusters, 11. rear arms
Body, 12. rocking arm rollers, 13. secondary springs, 14. front arm bodies, 15. roller bearings, 16. left regulation chamber lids, 17. spacer pins,
18. right regulation chamber lid, 19. regulation springs, 110. adjustment pins, A. rear arm body breach, B. front arm body projections, C. adjustment pins
Breach.
Specific embodiment
Describe specific embodiment of the present utility model in detail below in conjunction with the accompanying drawings.
As shown in Figures 1 to 10, a kind of engine Bi Gang mechanisms, including valve 4, cylinder rocking arm is closed for close valve 4
1, being arranged on the camshaft 3 closed above the middle part of cylinder rocking arm 1, hydraulic lash adjuster 5 and being covered installed in cylinder is used for
The magnetic valve 2 of cylinder oil pressure is closed in adjustment, and the working face for closing the one end of cylinder rocking arm 1 is pressed on valve 4, and the working face of the other end is pressed in hydraulic pressure
On clearance adjuster 5, it is described close cylinder rocking arm 1 including rear arm body 11, rocking arm roller 12, secondary spring 13, front arm body 14,
Roller bearing 15, rear arm body 11, rocking arm roller 12, secondary spring 13 and front arm body 14 are sleeved on roller bearing 15,
One end of secondary spring 13 is stuck on rear arm body 11, and the other end is stuck on front arm body 14, the work face pressure of front arm body 14
On valve 4, the working face of rear arm body 11 is pressed on hydraulic lash adjuster 5, there is insertion rear arm body on rear arm body 11
It is provided with 11 regulation chamber, regulation chamber left end face in left regulation chamber lid 16, regulation chamber its right end face and right regulation is installed
Chamber lid 18, regulation intracavitary is provided with adjustment pin 110, and regulation spring is provided between adjustment pin 110 and right regulation chamber lid 18
19, rear arm body 11, which is located at the position above in the middle part of regulation chamber, is provided with the limit pin hole connected with regulation chamber, limit pin hole
Inside it is fitted with the groove for having width to be more than the diameter of spacer pin 17 on one piece of spacer pin 17, the upper surface of adjustment pin 110, spacer pin 17
Have to have in rear arm body breach A, adjustment pin 110 on end face and the upper surface groove contact of adjustment pin 110, rear arm body 11 and shaken with after
There are pluggable rear arm body breach A and adjustment pin breach C on arm body breach A shape identical adjustment pin breach C, front arm body 14
Front arm body projection B, be machined with the ball-and-socket oilhole connected with regulation chamber at the ball-and-socket on the working face of rear arm body 11.
As shown in figure 1, cylinder mechanism body of the present utility model of closing includes closing cylinder rocking arm 1 and the two parts of magnetic valve 2.
As shown in Figure 2,3, the cylinder rocker arm body of the present utility model that closes includes rear arm body 11, rocking arm roller 12, auxiliary bullet
Spring 13, front arm body 14, roller bearing 15.And rear arm body 11, rocking arm roller 12, front arm body 14 are arranged on roller bearing 15
On, the one end of secondary spring 13 is stuck on rear arm body 11, and the other end is stuck on front arm body 14.
As shown in Figure 4,5, the regulation part of engine Bi Gang mechanisms is main by left regulation chamber lid 16, spacer pin 17, the right side
Regulation chamber lid 18, regulation spring 19, adjustment pin 110 are constituted.
It is illustrated in figure 6 the regulated bullet of adjustment pin 110 inside state during engine work, rear arm body 11
The spring-force driven dual of spring 19 causes adjustment pin 110 to adjust the direction of chamber lid 16 to the left and be moved to the position of spacer pin 17.Now, shaken after
The breach A structures of arm body 11 are alignd with the non-gap structure of adjustment pin 110, raised structures B and the adjustment pin 110 of front arm body 14
Non- breach surface contact, raised structures such as Fig. 8 of rear arm body 11, the gap structure of adjustment pin 110 and front arm body 14,9,
Shown in 10.In this state, the no power of magnetic valve 2, oil circuit oil pressure keeps constant, and engine oil pressure can not promote adjustment pin 110
Motion.Rear arm body 11 combines to form a rigid structure with front arm body 14, and the peach of camshaft 3 rotates a circle and rocking arm roller
12 contacts, it is fulcrum rotation to press rear arm body 11 and the rigid body of composition is combined with front arm body 14 with hydraulic lash adjuster 5,
Driving valve 4 moves up and down, engine work.
State when engine closes cylinder working is illustrated in figure 7, ECU gives the signal of magnetic valve 2, solenoid valves, regulation oil
Oil pressure in road, is allowed to switch to hydraulic oil, the ball-and-socket oilhole that machine oil passes through the oil pocket of hydraulic lash adjuster 5 rocker body 11 backward
Fuel feeding, machine oil enters regulation chamber by ball-and-socket oilhole, and the pressure that machine oil is produced overcomes the spring force driving regulation of regulation spring 19
Pin 110 adjusts to the right the direction of chamber lid 18 and moves to the restraining position of spacer pin 17.Now, the gap structure A of rear arm body 11 with
The gap structure C alignment of adjustment pin 110, the raised structures B of front arm body 14, the gap structure A and adjustment pin of rear arm body 11
110 gap structure C alignment, raised structures such as Fig. 8 of rear arm body 11, the gap structure of adjustment pin 110 and front arm body 14,
9th, shown in 10.In this state, rear arm body 11 is separated with front arm body 14, front arm body 14 equivalent to valve 4 for branch
Point rotation, rear arm body 11 rotates equivalent to hydraulic lash adjuster 5 for fulcrum, and camshaft 3 rotates a circle and rocking arm roller
12 contacts, press rocking arm roller 12 and overcome the spring force of secondary spring 13 to move up and down, now valve 4 will not be opened, and not risen
Journey, while stopping to gas cylinder-in oil-jet and igniting, realizes that engine portion sub-cylinder closes cylinder working.When engine needs all gas
When cylinder works together, ECU is let out to solenoid signal, magnetic valve power-off, the machine oil of regulation intracavitary by the ball-and-socket of rear arm body 11
Oil, the spring-force driven dual of the regulated spring 19 of adjustment pin 110 causes adjustment pin 110 to adjust the direction of chamber lid 16 to the left and be moved to
The restraining position of spacer pin 17, valve 4 is opened, normal working of engine.The working condition of engine passes through above-mentioned two according to demand
Mode of operation is planted to switch over.
Figure 11 is block diagram when engine closes cylinder control.
Claims (1)
1. a kind of engine Bi Gang mechanisms, including valve (4), for closing closing cylinder rocking arm (1), being arranged on and close cylinder for valve (4)
Camshaft (3), hydraulic lash adjuster (5) above in the middle part of rocking arm (1) and being covered installed in cylinder is closed for adjustment
The magnetic valve (2) of cylinder oil pressure, the working face for closing cylinder rocking arm (1) one end is pressed on valve (4), and the working face of the other end is pressed in hydraulic pressure
On clearance adjuster (5), there is oil pocket inside hydraulic lash adjuster (5), it is characterised in that the described cylinder rocking arm (1) that closes includes
Rear arm body (11), rocking arm roller (12), secondary spring (13), front arm body (14), roller bearing (15), rear arm body
(11), rocking arm roller (12), secondary spring (13) and front arm body (14) are sleeved on roller bearing (15), secondary spring
(13) one end is stuck on rear arm body (11), and the other end is stuck on front arm body (14), the work face pressure of front arm body (14)
On valve (4), the working face of rear arm body (11) is pressed on hydraulic lash adjuster (5), and rear arm body has insertion on (11)
It is provided with the regulation chamber of rear arm body (11), regulation chamber left end face in left regulation chamber lid (16), regulation chamber its right end face
Right regulation chamber lid (18) is installed, regulation intracavitary is provided with adjustment pin (110), adjustment pin (110) and right regulation chamber lid
(18) regulation spring (19) is installed, rear arm body (11), which is located at the position above in the middle part of regulation chamber, to be provided with and adjust between
Being fitted with the limit pin hole of chamber connection, limit pin hole on one piece of spacer pin (17), adjustment pin (110) upper surface has width to be more than
The groove of spacer pin (17) diameter, spacer pin (17) lower surface and the contact of adjustment pin (110) upper surface groove, rear arm body (11)
On have in rear arm body breach (A), adjustment pin (110) have with rear arm body breach (A) shape identical adjustment pin breach (C),
There are the front arm body projection (B) of pluggable rear arm body breach (A) and adjustment pin breach (C), rear arm on front arm body (14)
The ball-and-socket oilhole connected with regulation chamber is machined with ball-and-socket on the working face of body (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720122614.6U CN206592165U (en) | 2017-02-10 | 2017-02-10 | A kind of engine Bi Gang mechanisms |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720122614.6U CN206592165U (en) | 2017-02-10 | 2017-02-10 | A kind of engine Bi Gang mechanisms |
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| Publication Number | Publication Date |
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| CN206592165U true CN206592165U (en) | 2017-10-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201720122614.6U Active CN206592165U (en) | 2017-02-10 | 2017-02-10 | A kind of engine Bi Gang mechanisms |
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| Country | Link |
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| CN (1) | CN206592165U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107060936A (en) * | 2017-02-10 | 2017-08-18 | 中国第汽车股份有限公司 | A kind of engine Bi Gang mechanisms |
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2017
- 2017-02-10 CN CN201720122614.6U patent/CN206592165U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107060936A (en) * | 2017-02-10 | 2017-08-18 | 中国第汽车股份有限公司 | A kind of engine Bi Gang mechanisms |
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