CN208763713U - Brake actuator in a kind of cylinder - Google Patents
Brake actuator in a kind of cylinder Download PDFInfo
- Publication number
- CN208763713U CN208763713U CN201821443562.3U CN201821443562U CN208763713U CN 208763713 U CN208763713 U CN 208763713U CN 201821443562 U CN201821443562 U CN 201821443562U CN 208763713 U CN208763713 U CN 208763713U
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- CN
- China
- Prior art keywords
- air valve
- cylinder
- valve bridge
- brake actuator
- valve
- 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.)
- Withdrawn - After Issue
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- Valve Device For Special Equipments (AREA)
- Valve-Gear Or Valve Arrangements (AREA)
Abstract
The utility model discloses brake actuators in a kind of cylinder, rocker actuator including at least two valves being arranged side by side and for squeezing valve, the air valve bridge for abutting against and capable of being moved along the axis direction of the valve with the two is equipped between the valve and rocker actuator, the air valve bridge is equipped with the guiding translot extended perpendicular to the axis of valve, it further include the lateral brake apparatus that the air valve bridge can be driven to move along the direction vertical with the axis of the valve, the air valve bridge is equipped with axially directed slot compatible with the transverse direction brake apparatus.Brake actuator in the cylinder of the utility model, lateral brake apparatus is set and pushes air valve bridge transverse shifting, play buffer function, reduce the friction sound or noise that when rocker actuator carries out transverse shear stress to air valve bridge or the when of shock generates, engine vibration is reduced simultaneously, engine quality is improved, guarantees the steady knock for improving kinematic pair and generating of sliding.
Description
Technical field
The utility model relates to technical field of engines, more specifically, it relates to brake actuator in a kind of cylinder.
Background technique
At present for brake scheme in cylinder, hydraulic cylinder is generallyd use along valve stem axis direction and applies active force, is made
Transmission chain is in the elongated certain distance in valve stem end surface position, so that so that valve (generally exhaust valve) is closed the door not sternly reaches cylinder
The purpose of interior braking.This scheme is feasible, but also liquid storage cylinder pressure transmission chain in oil-break is direct at valve stem end surface position
The shortcomings that jump, kinematic pair generates knock.
Utility model content
The technical problems to be solved in the utility model is the above-mentioned deficiency for the prior art, and the purpose of this utility model is
Provide brake actuator in a kind of cylinder that noise is effectively reduced.
To achieve the above object, the utility model provides brake actuator in a kind of cylinder, including be arranged side by side to
Few two valves and the rocker actuator for squeezing valve are equipped between the valve and rocker actuator and abut against simultaneously energy with the two
The air valve bridge that enough axis directions along the valve move, the air valve bridge are equipped with extended perpendicular to the axis of valve
It is oriented to translot, further includes the lateral braking dress that the air valve bridge can be driven to move along the direction vertical with the axis of the valve
It sets, the air valve bridge is equipped with axially directed slot compatible with the transverse direction brake apparatus.
Further, the lateral brake apparatus includes pedestal, and the side of the pedestal is equipped with the hydraulic cylinder being laterally arranged
Pushing meanss, swingable being equipped in the other side of the pedestal laterally urge component with what the Hydraulic Cylinder device was connect,
The upper end for laterally urging component is adapted with the axially directed slot.
Further, the Hydraulic Cylinder device be equipped with the piston for laterally urging component and connecting, it is described
The reset buffering spring adaptable with one end of the piston is equipped in the cylinder of Hydraulic Cylinder device.
Further, the component that laterally urges includes the elastic chip architecture vertically protruded from pedestal, the elasticity
The top of chip architecture is equipped with shaft and guide roller compatible with the axially directed slot.
Further, the two sides of the elastic piece structural base, which are recessed inwardly to be equipped with, narrows structure, the elastic piece knot
Structure can swing sideward dynamic around narrowed structure.
Further, the screw rod connecting with piston is installed in the elastic chip architecture.
Further, the both ends of the Hydraulic Cylinder device cylinder body are equipped with hydraulic oil channel, the base bottom position
It is equipped with resigning mouthful in the side of the Hydraulic Cylinder device, the pedestal is equipped with multiple connections connecting with engine cylinder cover
Hole, the connecting hole are distributed at resigning mouthful and Hydraulic Cylinder device and laterally urge between component.
As a further improvement, the guiding translot is U shape slot compatible with the valve end of the valve.
As a further improvement, vertically protrusion is equipped with lug on the air valve bridge, and the axially directed slot is set to lug
Place.
As a further improvement, the rocker actuator includes rocking bar, and one end of the rocking bar and cylinder head are hinged, described
The other end of rocking bar is equipped with the idler wheel adaptable with the upper surface of the air valve bridge, and the middle part of the rocking bar is equipped with to be connected with camshaft
The hinged pair connect.
Beneficial effect
Compared with prior art, brake actuator has the beneficial effect that in the cylinder of the utility model: the utility model
Cylinder in brake actuator, lateral brake apparatus is set and pushes air valve bridge transverse shifting, plays buffer function, reduces rocking bar dress
The friction sound or noise set when carrying out transverse shear stress to air valve bridge or generated when hitting, while engine vibration is reduced, it improves
Engine quality；It is oriented to moreover, axially directed slot can axially move to air valve bridge, guaranteeing that sliding is steady improves movement
Pay the knock generated；Reset buffering spring is set in cylinder body, can prevent piston from quickly springing back, there is buffer function, prevent
It quickly moves and causes frictionally damage and collision, further decrease engine noise；Lateral brake apparatus can be set to air valve bridge
End, the centre of air valve bridge can also be set to, structure flexible design, adaptability is good.
Detailed description of the invention
Fig. 1 is the structural assembly diagram of brake actuator in the cylinder of embodiment one；
Fig. 2 is the structure sectional view of brake actuator in the cylinder of embodiment one；
Fig. 3 is the structure sectional view of air valve bridge in embodiment one；
Fig. 4 is the structural front view of lateral brake apparatus in embodiment one；
Fig. 5 is the structure sectional view in the direction A-A in Fig. 4；
Fig. 6 is the structure sectional view in the direction C-C in Fig. 4；
Fig. 7 is the structure top view of lateral brake apparatus in embodiment one；
Fig. 8 is the structure sectional view in the direction B-B in Fig. 7；
Fig. 9 is the structural schematic diagram of embodiment two；
Figure 10 is the structure sectional view in the direction D-D in Fig. 9.
In figure: 1, valve；2, rocker actuator；3, air valve bridge；4, it is oriented to translot；5, lateral brake apparatus；501, hydraulic cylinder
Pushing meanss；502, component is laterally urged；503, piston；504, reset buffering spring；505, pedestal；506, structure is narrowed；
507, shaft；508, guide roller；509, screw rod；510, hydraulic oil channel；511, resigning mouthful；512, connecting hole；513, it seals
Circle；6, axially directed slot.
Specific embodiment
With reference to the accompanying drawing, specific embodiment of the present utility model is described in detail, it is to be understood that this is practical
Novel protection scope is not limited by the specific implementation.
Specific embodiment of the present utility model is such that
Embodiment one
As shown in figures 1-8, brake actuator in a kind of cylinder, including at least two valves 1 being arranged side by side and for squeezing
It calms the anger the rocker actuator 2 of door 1, is equipped with and is abutted against with the two and can be along the axis side of valve 1 between valve 1 and rocker actuator 2
To the air valve bridge 3 of movement, air valve bridge 3 is equipped with the guiding translot 4 extended perpendicular to the axis of valve 1, and further including can
The lateral brake apparatus 5 that driving air valve bridge 3 is moved along the direction vertical with the axis of valve 1, air valve bridge 3 are equipped with and lateral system
The dynamic compatible axially directed slot 6 of device 5；Rocker actuator 2 squeezes air valve bridge 3, can be by two or more 1 edges of valve
Axial direction is squeezed, and valve 1 is opened, moreover, because when air valve bridge 3 is squeezed by rocker actuator 2 or when tapping, air valve bridge
3 will receive lateral effect and transverse shifting occur, and lateral brake apparatus 5 is arranged and pushes 3 transverse shifting of air valve bridge, plays slow
Punching effect reduces friction sound or noise that when rocker actuator 2 carries out transverse shear stress to air valve bridge 3 or the when of shock generates, simultaneously
Engine vibration is reduced, engine quality is improved；It is led moreover, axially directed slot 6 can axially move to air valve bridge 3
To guarantee sliding is steady.
In the present embodiment, lateral brake apparatus 5 includes pedestal 505, and pedestal 505 is fixed in the cylinder head of engine,
The side of pedestal 505 is equipped with the Hydraulic Cylinder device 501 that is laterally arranged, the other side of pedestal 505 it is swingable be equipped with and liquid
What cylinder pressure pushing meanss 501 connected laterally urges component 502, and upper end and axially directed 6 phase of slot for laterally urging component 502 are suitable
Match, the promotion of Hydraulic Cylinder device 501 laterally urges component 502 and swings laterally to the left, to push 3 transverse shifting of air valve bridge.
In the present embodiment, Hydraulic Cylinder device 501 is equipped with and the piston 503 that laterally urges component 502 and connect, liquid
The reset buffering spring 504 adaptable with one end of piston 503, Hydraulic Cylinder dress are equipped in the cylinder of cylinder pressure pushing meanss 501
Set 501 by it is hydraulic piston 503 is pushed to the left after, during the pressure relief process, can prevent from living by reset buffering spring 504
The quickly rebound of plug 503, has buffer function, prevents from quickly moving and causing frictionally damage and collision, reduces engine noise.
In the present embodiment, laterally urging component 502 includes the elastic chip architecture vertically protruded from pedestal 505, elasticity
The top of chip architecture is equipped with shaft 507 and guide roller 508 compatible with axially directed slot 6, and elastic chip architecture is by piston 503
It pushes and deforms to the left, to make the elastic chip architecture in elastic chip architecture to 6 slot of axially directed slot on air valve bridge 33
Wall squeeze and is pushed away, and realizes that elastic piece construction rebound resets using deformation, in-engine structure arrangement is reduced, moreover, after pressure release
The case where elastic chip architecture return is rapid, and elastic chip architecture can not will receive abrasion, long service life, later maintenance are few.
In the present embodiment, the two sides of elastic piece structural base, which are recessed inwardly to be equipped with, narrows structure 506, narrows structure 506
Arc groove formation is set to be recessed inwardly in the two sides of elastic piece structural base, elastic chip architecture can be around narrowed structure
506 swing sideward dynamic, and elastic chip architecture is the potassium steel structure being arranged on pedestal 505, belong to spring steel, narrow structure 506
Setting allows elastic chip architecture that flexible deformation, smart structural design, convenient processing and manufacture occurs.
In the present embodiment, the screw rod 509 connecting with piston 503, screw rod 509 and piston are installed in elastic chip architecture
503 connections, adjustable assembly length are suitable for different using needs.
In the present embodiment, the both ends of 501 cylinder body of Hydraulic Cylinder device are equipped with hydraulic oil channel 510, pass through a control
Valve or the control of two control valves it is intracorporal to the cylinder of Hydraulic Cylinder device 501 it is hydraulic be adjusted, it is easy to control；Pedestal 505
The side that bottom is located at Hydraulic Cylinder device 501 is equipped with resigning mouthful 511, and pedestal 505 is equipped with multiple and engine cylinder cover and connects
The connecting hole 512 connect, connecting hole 512 are distributed at resigning mouthful 511 and Hydraulic Cylinder device 501 and laterally urge component
Between 502, it is easily installed fixed pedestal 505, while the weight of alleviator.
In the present embodiment, guiding translot 4 is U-lag compatible with the valve end of valve 1, U-lag and valve
The top bar portion of bar is adapted, round and smooth abutting, and friction is few, and long service life, noise is few, and guarantees that air valve bridge 3 is smoothly mobile.
In the present embodiment, vertically protrusion is equipped with lug on air valve bridge 3, and axially directed slot 6 is set at lug, axially directed
Slot 6 it is easy to process, air valve bridge 3 is an integral molding structure, easily manufactured, and rigidity is good, and lug is not susceptible to deform.
In the present embodiment, rocker actuator 2 includes rocking bar, and one end of rocking bar and cylinder head are hinged, and the other end of rocking bar is set
There is the idler wheel being adapted with the upper surface of air valve bridge 3, the middle part of rocking bar is equipped with the hinged pair with cam axis connection.
In the present embodiment, the oil port of hydraulic oil channel 510 is equipped with sealing ring 513, effectively prevent oil leak, guarantees cylinder body
Interior is hydraulic；And removable end cap, easy to disassemble, maintenance are equipped in the right end of cylinder body.
In the present embodiment, as shown in Fig. 3,3 upside end surfaces of air valve bridge make satisfactory contour surface, mainly
It is made of three sections of straight lines and two sections of circular arcs, three sections of straight lines are high-order straightway, low level straightway, transition skew lines section, i.e. valve
The upper surface left end of bridge 3 is lower than by holding, and when rocker actuator 2 squeezes air valve bridge 3, air valve bridge 3 is in lateral brake apparatus 5
It is moved to the left under promotion, reduces rocker actuator 2 to the percussion dynamics of air valve bridge 3, there is cushioning effect, and rocker actuator 2
On idler wheel slide onto high-order straightway through transition skew lines section, the crush stroke to valve 1 is increased, so as to quickly push away
Door 1 of taking offence sliding quickly controls valve 1 and opens or closes, and ingenious in design, the rocker actuator 2 of identical stroke can satisfy bigger
1 motion requirement of valve of stroke.
Embodiment two
The structure of the structure with embodiment one of brake actuator is essentially identical in cylinder in the present embodiment, and difference exists
In as shown in attached drawing 9-10, the lateral brake apparatus 5 in embodiment one is adapted with one end of air valve bridge 3, and the present embodiment
In lateral brake apparatus 5 be to be adapted with the middle part of air valve bridge 3；And in the present embodiment, the shaft of lateral brake apparatus 5
507 extend outwardly setting, and guide roller 508 is arranged in the outside of pedestal 505, convenient for the arrangement of lateral brake apparatus 5, reduce horizontal
To the occupancy in space, it is arranged in lateral brake apparatus 5 between two valves 1, it is compact-sized, without changing the knot of transition
Structure need to only extend the length of shaft 507.
Above are merely preferred embodiments of the utility model, it should be pointed out that for those skilled in the art,
Under the premise of not departing from the utility model structure, several modifications and improvements can also be made, it is practical new that these all will not influence this
The effect and patent practicability that type is implemented.
Claims (10)
1. brake actuator in a kind of cylinder, which is characterized in that including at least two valves (1) being arranged side by side and for squeezing
The rocker actuator (2) of valve (1) is equipped between the valve (1) and rocker actuator (2) and abuts against with the two and can be along described
The air valve bridge (3) of the axis direction movement of valve (1), the air valve bridge (3) set equipped with the axis extension perpendicular to valve (1)
The guiding translot (4) set further includes that the air valve bridge (3) can be driven to transport along the direction vertical with the axis of the valve (1)
Dynamic lateral brake apparatus (5), the air valve bridge (3) are equipped with compatible axially directed with the lateral brake apparatus (5)
Slot (6).
2. brake actuator in a kind of cylinder according to claim 1, which is characterized in that the transverse direction brake apparatus (5)
Including pedestal (505), the side of the pedestal (505) is equipped with the Hydraulic Cylinder device (501) being laterally arranged, the pedestal
(505) swingable being equipped in the other side laterally urges component (502), institute with what the Hydraulic Cylinder device (501) connect
It states and laterally urges the upper end of component (502) and be adapted with the axially directed slot (6).
3. brake actuator in a kind of cylinder according to claim 2, which is characterized in that the Hydraulic Cylinder device
(501) it is equipped with and the piston (503) for laterally urging component (502) and connecting, the cylinder of the Hydraulic Cylinder device (501)
It is interior to be equipped with the reset buffering spring (504) adaptable with one end of the piston (503).
4. brake actuator in a kind of cylinder according to claim 3, which is characterized in that described to laterally urge component
It (502) include the elastic chip architecture vertically protruded from pedestal (505), the top of the elasticity chip architecture is equipped with shaft (507)
With guide roller (508) compatible with the axially directed slot (6).
5. brake actuator in a kind of cylinder according to claim 4, which is characterized in that the elastic piece structural base
Two sides, which are recessed inwardly to be equipped with, narrows structure (506), and the elasticity chip architecture can swing sideward dynamic around narrowed structure (506).
6. brake actuator in a kind of cylinder according to claim 4 or 5, which is characterized in that in the elasticity chip architecture
The screw rod (509) connecting with piston (503) is installed.
7. brake actuator in a kind of cylinder according to claim 6, which is characterized in that the Hydraulic Cylinder device
(501) both ends of cylinder body are equipped with hydraulic oil channel (510), and pedestal (505) bottom is located at the Hydraulic Cylinder device
(501) side is equipped with resigning mouthful (511), and the pedestal (505) is equipped with multiple connecting holes connecting with engine cylinder cover
(512), the connecting hole (512) is distributed at resigning mouthful (511) and Hydraulic Cylinder device (501) and laterally urges component
(502) between.
8. brake actuator in a kind of cylinder according to claim 1, which is characterized in that the guiding translot (4) be with
The compatible U-lag of valve end of the valve (1).
9. brake actuator in a kind of cylinder according to claim 1, which is characterized in that vertical on the air valve bridge (3)
Protrusion is equipped with lug, and the axially directed slot (6) is set at lug.
10. brake actuator in a kind of cylinder according to claim 1, which is characterized in that the rocker actuator (2) includes
Rocking bar, one end of the rocking bar and cylinder head are hinged, and the other end of the rocking bar is equipped with the upper surface phase with the air valve bridge (3)
The idler wheel of adaptation, the middle part of the rocking bar are equipped with the hinged pair with cam axis connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821443562.3U CN208763713U (en) | 2018-09-05 | 2018-09-05 | Brake actuator in a kind of cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821443562.3U CN208763713U (en) | 2018-09-05 | 2018-09-05 | Brake actuator in a kind of cylinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208763713U true CN208763713U (en) | 2019-04-19 |
Family
ID=66134199
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821443562.3U Withdrawn - After Issue CN208763713U (en) | 2018-09-05 | 2018-09-05 | Brake actuator in a kind of cylinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208763713U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108952875A (en) * | 2018-09-05 | 2018-12-07 | 广西玉柴机器股份有限公司 | Brake actuator in a kind of cylinder |
-
2018
- 2018-09-05 CN CN201821443562.3U patent/CN208763713U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108952875A (en) * | 2018-09-05 | 2018-12-07 | 广西玉柴机器股份有限公司 | Brake actuator in a kind of cylinder |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20190419 Effective date of abandoning: 20200505 |
|
| AV01 | Patent right actively abandoned |