CN205477808U - Exhaust brake rocking arm - Google Patents
Exhaust brake rocking arm Download PDFInfo
- Publication number
- CN205477808U CN205477808U CN201620280301.9U CN201620280301U CN205477808U CN 205477808 U CN205477808 U CN 205477808U CN 201620280301 U CN201620280301 U CN 201620280301U CN 205477808 U CN205477808 U CN 205477808U
- Authority
- CN
- China
- Prior art keywords
- connecting portion
- plunger
- aperture
- spring
- rocking arm
- 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.)
- Active
Links
Landscapes
- Valve Device For Special Equipments (AREA)
Abstract
The utility model provides an exhaust brake rocking arm belongs to mechanical technical field. It has solved current exhaust valve rocker can't form the problem of brakeing in the jar. This exhaust brake rocking arm is including being the body of tube -shape, and body wherein one end has and is banding presser foot, has the contact surface on the presser foot, and the body other end has the connecting portion that are the tube -shape, and connecting portion and presser foot lie in same one side, and connecting portion and body axis between them is mutually perpendicular, and it is continuous with the body that connecting portion pass through the lateral wall, it can be along the plunger of the endwise slip of these connecting portion to be equipped with in the connecting portion, and the orientation that connecting portion and this tip terminal surface are stretched out to the plunger outer end is opposite with the orientation of contact surface, and the tip of keeping away from the outer end of plunger on the connecting portion is equipped with the exhaust hole with connecting portion hole intercommunication on for blind end and this tip terminal surface, be equipped with in the connecting portion both ends respectively with the spring no. 1 of plunger with the counterbalance of connecting portion inside wall. This exhaust brake rocking arm has the advantage of the braking of producing in the jar.
Description
Technical field
This utility model belongs to field of mechanical technique, relates to a kind of rocking arm, particularly a kind of
Exhaust brake rocking arm.
Background technology
Exhaust rocker arm is the vitals that automobile engine is indispensable, and it is arranged on main shaft
On, and between exhaust valve rocking arm and rocker arm shaft, there is the running clearance of certain angle,
The action that this valve rotates is mainly used in regulating conditions of valve clearance ofthe diesel.
Existing exhaust rocker arm is a kind of exhaust valve rocking arm [Shen as disclosed in Chinese patent storehouse
Please number: 201520887522.8；Authorization Notice No.: CN 205101064 U], including in
The body of tubular, the lateral wall at the upper and lower two ends of body is respectively provided with the presser feet in strip
One and presser feet two in strip, described presser feet one and presser feet two are located at the homonymy of body,
Described presser feet one is to the axis curving of body, and presser feet two is to the axis side of body
Bending and consistent with above-mentioned presser feet one bending direction, described presser feet one is away from body
End, one end has the press section of projection, and described press section is strip, and described presses
Splenium is to the axis curving of body and contrary with above-mentioned presser feet one bending direction, institute
Having press surface on the press section stated, described press surface is plane.
Above-mentioned exhaust valve rocking arm realizes degassing function by presser feet action, by
It is by being positioned at the exhaust rocker arm drive realization on the downside of body, this sample prescription in body oscillatory
Formula cannot form braking in engine cylinder body.When automobile is on long and steep downgrade road,
Driver can only realize braking by brake system, there is certain potential safety hazard.
Summary of the invention
The purpose of this utility model is to there are the problems referred to above for existing technology, it is proposed that
A kind of exhaust brake rocking arm, solves the technical problem that and is: how to improve the safety of driving.
The purpose of this utility model can be realized by following technical proposal: a kind of aerofluxus system
Motion rocker arm, including tubular body, wherein one end of body has the presser feet in strip,
There is on presser feet contact surface, it is characterised in that the other end of described body has in cylinder
The connecting portion of shape, and connecting portion and presser feet be positioned at the same side, connecting portion and body
Axis perpendicular, and connecting portion is connected with body by sidewall；Being provided with in connecting portion can edge
The plunger in axial sliding of this connecting portion, connecting portion and this end are stretched out in the outer end of plunger
End face towards with above-mentioned contact surface towards contrary, on connecting portion away from plunger outside
The end face that end is blind end and this end of end is provided with what the endoporus with connecting portion connected
Steam vent, be provided with in described connecting portion two ends respectively with plunger and connecting portion medial wall phase
The spring one supported.
During installation, body is enclosed within rocker arm shaft, presser feet by contact surface thereon and another
Individual rocking arm contacts, to drive this exhaust brake rocking arm to rotate around rocker arm shaft；The outer end of plunger
With valve contacts, steam vent is connected with suction device.
During work, under the common effect of getter device and spring one, plunger does toward resurrection
Plug motion, actively controls the keying of valve, makes to produce a system in engine cylinder body
Dynamic effect, thus when automobile travels on long and steep downgrade road, brake system and
Under the common effect of both engine cylinder inside brakes, can effectively shorten the braking of automobile away from
From, improve the security performance of driving.
In above-mentioned exhaust brake rocking arm, the endoporus of described connecting portion include aperture and
The macropore connected with steam vent, the aperture of macropore is more than aperture and both are along the axle of connecting portion
To distribution, described spring one and plunger are all located in macropore, and described body sets
There is an oil circuit that the inner chamber making body connects with aperture, and be provided with at aperture and make aperture and macropore
The one-way mechanism of one-way conduction, and the conducting direction of one-way mechanism and lubricating oil passes through aperture
The direction flowing to macropore is consistent.
During use, the lubricating oil in chamber body flows through oil circuit, aperture successively and finally enters
Enter in macropore, play preferable lubrication with the reciprocating motion to plunger, to reduce
The stability when abrasion of plunger and raising plunger work, so that cylinder inside brake is stable
Produce, to guarantee the safety of driving.
In above-mentioned exhaust brake rocking arm, described one-way mechanism includes steel ball and spring
Two, the two ends of spring two offset with steel ball and plunger respectively, and under the effect of spring two,
Steel ball is pressed on the inwall of aperture.
Steel ball is pressed on the inwall of aperture to cut off the connection in large and small hole.During work,
Under the effect of getter device, steel ball overcomes the elastic force of spring two to move to make large and small Kong Lian
Logical, now, the lubricating oil being gathered in aperture fills in row with coupled columns in just entering into macropore
Lubrication, the advantage with simple in construction, working stability.
Alternatively, in above-mentioned exhaust brake rocking arm, described irreversible engine
Structure includes sealing column and spring three, and the sidewall of sealing column has annular shoulder block, spring three
It is enclosed within sealing column, and the two ends of this spring three offsets with annular shoulder block and plunger respectively,
Under the effect of spring three, sealing column is inserted in aperture and the sidewall of this sealing column and aperture
Medial wall between formed seal.
In above-mentioned exhaust brake rocking arm, the sidewall of described connecting portion is vertically fixed
Having pin, the inner sidewall of described plunger is provided with the chute in strip, chute
Length bearing of trend is consistent with the axis bearing of trend of body, the inner of described pin
Stretch into connecting portion and be inserted in chute.
Connecting portion is in sliding process, and pin slides in chute, with the slip to plunger
Play position-limiting action, improve the stability during work of this exhaust brake rocking arm.
Compared with prior art, this exhaust brake rocking arm has the advantage that
1, under the common effect of getter device and spring one, plunger does reciprocating-piston motion,
Actively control the keying of valve, make to produce a braking effect in engine cylinder body,
Thus when automobile travels on long and steep downgrade road, in brake system and engine cylinder
Brake under the common effect of both, can effectively shorten the braking distance of automobile, improve
The security performance of driving.
2, the endoporus of connecting portion and the inner space of body are made, with coupled columns by arranging oil circuit
The reciprocating motion of plug plays preferable lubrication, to reduce abrasion and the raising of plunger
Stability during plunger work, so that cylinder inside brake stably produces, to guarantee driving
Safety.
Accompanying drawing explanation
Fig. 1 is the perspective view of this exhaust brake rocking arm.
Fig. 2 is the detonation configuration schematic diagram of this exhaust brake rocking arm.
Fig. 3 is the attachment structure schematic diagram of plunger and connecting portion.
Fig. 4 is the sectional structure schematic diagram of body.
In figure, 1, body；1a, presser feet；1a1, contact surface；1b, connecting portion；1b1、
Steam vent；1b2, macropore；1b3, aperture；1c, oil circuit；2, plunger；2a, chute；
3, pin；4, spring one；5, steel ball；6, spring two.
Detailed description of the invention
The following is specific embodiment of the utility model and combine accompanying drawing, to this utility model
Technical scheme be further described, but this utility model is not limited to these embodiments.
Embodiment one
As shown in Figures 1 to 4, this exhaust brake rocking arm is by body 1, plunger 2, pin
3, the composition such as spring 1, one-way mechanism.
Wherein, as depicted in figs. 1 and 2, body 1 is in tubular, and its medial wall is circle
Cylinder.There is on the lateral wall of one end of body 1 the presser feet 1a protruded in strip, presser feet
1a and body 1 are integral type structure, and the side of presser feet 1a has for other one
The contact surface 1a1 of individual rocking arm contact.The other end of body 1 has tubular connecting portion
1b, and connecting portion 1b and body 1 be integral type structure.As it is shown in figure 1, connecting portion
1b and presser feet 1a is positioned at both the same side of body 1, this connecting portion 1b and body 1
Axis perpendicular, and connecting portion 1b is connected with body 1 by sidewall.
Being provided with in connecting portion 1b can be along the plunger 2 that slides axially of this connecting portion 1b, plunger 2
Outer end stretch out connecting portion 1b and this end end face towards with contact surface 1a1 towards
On the contrary.Specifically, as shown in Figures 2 and 3, plunger 2 in tubular, this plunger 2
Interior end opening, outer end close, and the inner of plunger 2 is inserted in connecting portion 1b.It is natural,
Plunger 2 is also possible in column, and simply applicant thinks that plunger 2 is conducive in tubular
The processing of this draining rocking arm.Pin 3, connecting portion vertically it is provided with on the sidewall of connecting portion 1b
On the sidewall of 1b, correspondence runs through connecting hole, and pin 3 is inserted in by the way of interference fit
In connecting hole, the most both can realize pin 3 and fix with connecting portion 1b, pin can have been realized again
The sidewall of 3 forms sealing with the medial wall of connecting hole.On the inner lateral wall of plunger 2
It is provided with the chute 2a in strip, the length bearing of trend of chute 2a and the axis of body 1
Bearing of trend is consistent, and the inner of pin 3 is stretched out connecting hole and is inserted in chute 2a, with
Preferable position-limiting action is played in movement to plunger 2, makes plunger 2 and connecting portion 1b slide
The purpose connected stably realizes.
As shown in Figures 2 and 3, on connecting portion 1b, the end of outer end away from plunger 2 is
The end face of blind end and this end is provided with the steam vent that the endoporus with connecting portion 1b connects
1b1.In the present embodiment, steam vent 1b1 is strip and axially arranged along body 1.
Spring 1 is inserted in plunger 2, and the two ends of spring 1 respectively with the inwall of plunger 2
Offset with the medial wall of connecting portion 1b.
Further illustrating, as shown in Figure 3 and Figure 4, the endoporus of connecting portion 1b includes aperture
1b3 and the macropore 1b2 connected with steam vent 1b1, the aperture of macropore 1b2 is more than aperture
1b3 and both are along the axial distribution of connecting portion 1b.Spring 1 and plunger 2 are all located at
In macropore 1b2, body 1 is provided with the oil that the inner chamber making body 1 connects with aperture 1b3
It is provided with at road 1c, and aperture 1b3 and makes the unidirectional of aperture 1b3 and macropore 1b2 one-way conduction
Mechanism, and the conducting direction of one-way mechanism and lubricating oil flows to macropore 1b2 by aperture 1b3
Direction consistent.In the present embodiment, one-way mechanism includes steel ball 5 and spring 26,
Spring 26 is inserted in spring 1, the two ends of this spring 26 respectively with steel ball 5 and post
The medial wall of plug 2 offsets, and under the effect of spring 26, steel ball 5 is pressed on aperture
To cut off the connection of large and small hole 1b3 on the inwall of 1b3.
During installation, body 1 is enclosed within rocker arm shaft, and presser feet 1a passes through contact surface thereon
1a1 contacts with another rocking arm, to drive this exhaust brake rocking arm to rotate around rocker arm shaft；
The outer end of plunger 2 and valve contacts, steam vent 1b1 is connected with suction device.
During work, under the common effect of getter device and spring 1, plunger 2 does past
Piston motion, actively controls the keying of valve, makes to produce in engine cylinder body one
Individual braking effect, thus when automobile travels on long and steep downgrade road, in brake system
With under the common effect of both engine cylinder inside brakes, can effectively shorten the system of automobile
Dynamic distance, improves the security performance of driving.Meanwhile, in the process of getter device air-breathing
In, steel ball 5 overcomes the elastic force of spring 26 to move to make macropore 1b2 connect with aperture 1b3,
Now, it is gathered in the lubricating oil in aperture 1b3 just to enter in macropore 1b2 with to plunger
2 are lubricated, with reduce abrasion when plunger 2 works and improve plunger 2 work time
Stability.
Embodiment two
The present embodiment two is essentially identical, differently with structure and the principle of embodiment one
Side is: one-way mechanism includes sealing column and spring three, and the sidewall of sealing column has ring
Shape shoulder block, spring three is enclosed within sealing column, and the two ends of this spring three keep off with annular respectively
Shoulder and plunger 2 offset, under the effect of spring three, sealing column be inserted in aperture 1b3 and
Formed between sidewall and the medial wall of aperture 1b3 of this sealing column and seal.
Embodiment three
The present embodiment three is essentially identical, differently with structure and the principle of embodiment one
Side is: sheathed and be fixed with baffle ring on connecting portion 1b, and the medial wall of baffle ring has ring
Shape gear edge, the sidewall of plunger 2 has annular convex shoulder, and annular convex shoulder is positioned at annular gear edge
And between aperture 1b3, and annular gear is along offseting with annular convex shoulder.Use above-mentioned knot
Structure, can play preferable position-limiting action to the movement of plunger 2, equally with stable realization
Plunger 2 is slidably connected with connecting portion 1b.
Specific embodiment described herein is only for example to this utility model spirit
Explanation.This utility model person of ordinary skill in the field can be to described concrete
Embodiment is made various amendment or supplements or use similar mode to substitute, but not
Spirit of the present utility model can be deviateed or surmount model defined in appended claims
Enclose.
Claims (5)
1. an exhaust brake rocking arm, including tubular body (1), body (1)
Wherein one end there is the presser feet (1a) in strip, presser feet (1a) has contact surface
(1a1), it is characterised in that the other end of described body (1) has tubular company
Meet portion (1b), and connecting portion (1b) and presser feet (1a) are positioned at the same side, connecting portion (1b)
With body (1) both axis perpendicular, and connecting portion (1b) is by sidewall and body
(1) it is connected；Being provided with in connecting portion (1b) can sliding axially along this connecting portion (1b)
Plunger (2), connecting portion (1b) and the end face of this end are stretched out in the outer end of plunger (2)
Towards with above-mentioned contact surface (1a1) towards contrary, on connecting portion (1b) away from
The end face that end is blind end and this end of the outer end of plunger (2) is provided with and connecting portion
(1b) steam vent (1b1) of endoporus connection, is provided with in described connecting portion (1b)
The spring one (4) that two ends offset with plunger (2) and connecting portion (1b) medial wall respectively.
Exhaust brake rocking arm the most according to claim 1, it is characterised in that described
The endoporus of connecting portion (1b) include aperture (1b3) and connect with steam vent (1b1)
Macropore (1b2), the aperture of macropore (1b2) is more than aperture (1b3) and both are along even
Connecing the axial distribution of portion (1b), described spring one (4) and plunger (2) are all provided with
In macropore (1b2), described body (1) be provided with make the inner chamber of body (1) with
The oil circuit (1c) that aperture (1b3) connects, and aperture (1b3) place is provided with and makes aperture (1b3)
With the one-way mechanism of macropore (1b2) one-way conduction, and the conducting direction of one-way mechanism and profit
The direction that lubricating oil flows to macropore (1b2) by aperture (1b3) is consistent.
Exhaust brake rocking arm the most according to claim 2, it is characterised in that described
One-way mechanism include steel ball (5) and spring two (6), the two ends of spring two (6) are divided
Do not offset with steel ball (5) and plunger (2), and under the effect of spring two (6), steel
Ball (5) is pressed on the inwall of aperture (1b3).
Exhaust brake rocking arm the most according to claim 2, it is characterised in that described
One-way mechanism include sealing column and spring three, the sidewall of sealing column has annular shoulder block,
Spring three is enclosed within sealing column, and the two ends of this spring three respectively with annular shoulder block and plunger
(2) offseting, under the effect of spring three, sealing column is inserted in aperture (1b3) and should
Formed between the medial wall of the sidewall of sealing column and aperture (1b3) and seal.
Exhaust brake rocking arm the most according to claim 1, it is characterised in that described
Connecting portion (1b) sidewall on be vertically and fixedly provided with pin (3), described plunger (2)
Inner sidewall be provided with the chute (2a) in strip, the length of chute (2a) extends
Direction is consistent with the axis bearing of trend of body (1), described pin (3) interior
In end stretches into connecting portion (1b) and is inserted in chute (2a).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620280301.9U CN205477808U (en) | 2016-04-05 | 2016-04-05 | Exhaust brake rocking arm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620280301.9U CN205477808U (en) | 2016-04-05 | 2016-04-05 | Exhaust brake rocking arm |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205477808U true CN205477808U (en) | 2016-08-17 |
Family
ID=56644228
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620280301.9U Active CN205477808U (en) | 2016-04-05 | 2016-04-05 | Exhaust brake rocking arm |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205477808U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112253274A (en) * | 2020-09-11 | 2021-01-22 | 浙江九隆机械有限公司 | Brake rocker arm |
-
2016
- 2016-04-05 CN CN201620280301.9U patent/CN205477808U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112253274A (en) * | 2020-09-11 | 2021-01-22 | 浙江九隆机械有限公司 | Brake rocker arm |
| CN112253274B (en) * | 2020-09-11 | 2022-02-18 | 浙江九隆机械有限公司 | Brake rocker arm |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202327032U (en) | Oil saving device for lubrication during high-speed gear drive | |
| CN205477808U (en) | Exhaust brake rocking arm | |
| CN104379904A (en) | Piston-train guide apparatus and method | |
| CN106593569B (en) | A kind of Mechanical course valve actuating gear and control method | |
| CN204357516U (en) | Automotive engine valves rocking arm indenter device | |
| CN205560234U (en) | Self -lubricating mechanism | |
| CN208546242U (en) | A kind of engine piston circumferentially positioned with piston ring | |
| CN208169007U (en) | A kind of car engine camshaft bearing cap | |
| CN203702330U (en) | Peanut shell rotary engine | |
| CN104265809A (en) | Brake wheel cylinder | |
| CN205578056U (en) | Novel roller valve rocker | |
| CN108798815B (en) | Valve mechanism and motorcycle engine | |
| CN203685398U (en) | Exhaust braking device of engine | |
| CN203962063U (en) | A kind of valve actuating mechanism | |
| CN205206899U (en) | Roller formula hydraulic tappet and have its aviation piston engine | |
| CN205477815U (en) | Exhaust rocker arm's oiling mechanism for automobile | |
| CN102797526B (en) | Rocker arm, rocker arm assembly, engine and engineering machinery | |
| CN204357513U (en) | Motor car engine valve rocker oil-way lubrication structure | |
| CN202417636U (en) | Lubricating mechanism of a gasoline engine | |
| CN203499746U (en) | Head structure of engine rocking arm | |
| CN208546240U (en) | A kind of engine piston with the Slideslip wing | |
| CN205101060U (en) | Lower follow -up rocking arm | |
| CN208546244U (en) | A kind of piston for engine | |
| CN203441560U (en) | Lubricating device of engine crankshaft | |
| CN202209273U (en) | Bendable combined oil-well pump |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |