CN208669474U - A kind of pneumatic actuator of current stabilization - Google Patents
A kind of pneumatic actuator of current stabilization Download PDFInfo
- Publication number
- CN208669474U CN208669474U CN201821142451.9U CN201821142451U CN208669474U CN 208669474 U CN208669474 U CN 208669474U CN 201821142451 U CN201821142451 U CN 201821142451U CN 208669474 U CN208669474 U CN 208669474U
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- CN
- China
- Prior art keywords
- lower case
- air inlet
- outer housing
- upper housing
- current stabilization
- 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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Abstract
The utility model discloses a kind of pneumatic actuators of current stabilization, including ontology, the ontology includes upper housing, lower case and executing agency, an installation cavity is constituted between the upper housing and lower case, it is installed at the top of the executing agency in the installation cavity, the top of the upper housing is equipped with an air inlet pipe, the bottom of the air inlet pipe is connected with installation cavity, it is characterized by: being additionally provided with an outer housing above the ontology, the outer housing is the hollow structure of bottom opening, a buffer cavity is equipped with inside the outer housing, external feed stream pipe is equipped with above the shell body sidewall, the external feed stream pipe is connected with the buffer cavity, the bottom of the outer housing is connected with the sealing of the middle part of the ontology, the upper housing and the air inlet pipe are inserted in the buffer cavity.The utility model improves the pneumatic stability used before executing, avoids the generation for kicking vibration phenomenon.
Description
Technical field
The utility model relates to a kind of actuator more particularly to a kind of pneumatic actuators of current stabilization.
Background technique
Turbocharger is actually a kind of air compressor, increases air inflow by compressed air.It is to utilize hair
The exhaust gas inertia impulsive force of motivation discharge pushes the indoor turbine of turbine, and turbine drives coaxial impeller again, impeller force feed is by sky
The air that air cleaner pipeline is sent is allowed to pressurization and enters cylinder.When engine speed increases, the exhaust gas velocity of discharge and turbine turn
Speed is also synchronous to be increased, and impeller just compresses more air and enters cylinder, and pressure and the density increase of air can burn more
Fuel increase accordingly fuel quantity and adjusts the revolving speed of engine, so that it may increase the output power of engine.
In the prior art, the exhaust gas of turbocharger reenters the menifold of engine, ordinary circumstance in order to guarantee into
The stabilization of gas prevents the appearance for kicking vibration phenomenon, needs to increase on inlet manifold the stabilization that vacuum tank guarantees air inlet.But
To increase vacuum tank, need to be laid out enging cabin again, cause it is many it is original can part be not available, need
Other positions are remodified, it is very cumbersome, and can greatly increase cost.
Summary of the invention
The utility model aim is to provide a kind of pneumatic actuator of current stabilization, by using the structure, improves engine
The stability of air inlet, reduces costs.
In order to achieve the above objectives, the technical solution adopted in the utility model is: a kind of pneumatic actuator of current stabilization, including this
Body, the ontology include upper housing, lower case and executing agency, the bottom outer-edge face and the top of the lower case of the upper housing
Portion's outer edge surface is connected, and an installation cavity is constituted between the upper housing and lower case, is installed at the top of the executing agency
In the installation cavity, and the bottom of the executing agency passes through the lower section that the lower case is set to the lower case, described
The top of upper housing is equipped with an air inlet pipe, and the bottom of the air inlet pipe is connected with installation cavity, and the top of the ontology is also set
There is an outer housing, the outer housing is the hollow structure of bottom opening, and a buffer cavity is equipped with inside the outer housing, described outer
External feed stream pipe is equipped with above housing sidewall, the external feed stream pipe is connected with the buffer cavity, the bottom of the outer housing
Portion is connected with the sealing of the middle part of the ontology, and the upper housing and the air inlet pipe are inserted in the buffer cavity.
In above-mentioned technical proposal, the air inlet pipe is L-type structure, including transverse tube interconnected and vertical tube, the vertical tube
Bottom be installed on the top of the upper housing, the left side of the transverse tube is connected with the top of the vertical tube, the transverse tube into
Port is set to the right side of the transverse tube, and the external feed stream pipe is set to the left side of the outer housing, the external feed stream pipe
Air inlet be set to the left side of the external feed stream pipe.
In above-mentioned technical proposal, the junction of the upper housing and lower case constitutes outwardly extending crimping, the shell
The bottom of body is coated on the outside of the crimping.
In above-mentioned technical proposal, the bottom of outer housing annular protrusion with outward extension, the annular protrusion
Inside is equipped with an annular groove, and the crimping is arranged in the annular groove.
In above-mentioned technical proposal, an annular sealing gaskets is additionally provided in the annular groove, the annular sealing gaskets
Bottom surface is butted on the top surface of the crimping, and the top surface of the annular sealing gaskets is butted at the top of the inner wall of the annular groove.
In above-mentioned technical proposal, the executing agency includes rubber membrane, executes bar and spring, the outer edge surface of the rubber membrane
It is installed on the junction of the upper housing and lower case, the top for executing bar is equipped with a positioning block, the top of the locating piece
Portion is butted on the bottom surface of the rubber membrane, and the bottom for executing bar passes through the lower case and is set under the lower case
Side, the spring pocket are set on the execution bar, are butted on the bottom surface of the locating piece at the top of the spring, the spring
Bottom is butted on the bottom of the lower case.
In above-mentioned technical proposal, the bottom surface of the locating piece is equipped with a groove, is installed on institute at the top of the execution bar
It states in groove, and the top for executing bar is equipped with an annular groove, the top of the locating piece is equipped with a through-hole, the execution bar
Annular groove be arranged in the through-hole, be butted at the top of the spring on the top surface of the groove.
Since above-mentioned technical proposal is used, the utility model has the advantage that compared with prior art
1. the gas of inlet manifold will have been started by the way that an outer housing is arranged at the top of actuator in the utility model
It is first entered in outer housing from the external feed stream pipe of outer housing, by turbulent flow and then by being pushed away in air inlet pipe in outer housing
Dynamic executing agency's work, such air-flow can effectively prevent kicking the appearance of vibration phenomenon after outer housing turbulent flow, without into
Increase vacuum tank at gas menifold to effectively reduce cost without changing the layout of enging cabin.
Detailed description of the invention
Fig. 1 is the structural schematic diagram in the utility model embodiment one；
Fig. 2 is the partial enlarged view I of Fig. 1；
Fig. 3 is the partial enlarged view II of Fig. 1.
Wherein: 1, upper housing；2, lower case；3, air inlet pipe；4, outer housing；5, buffer cavity；6, external feed stream pipe；7,
Rubber membrane；8, bar is executed；9, spring；10, locating piece；11, groove；12, annular groove；13, through-hole；14, transverse tube；15, vertical tube；
16, crimping；17, annular protrusion；18, annular groove；19, annular sealing gaskets.
Specific embodiment
The utility model is further described with reference to the accompanying drawings and embodiments:
Embodiment one: referring to shown in Fig. 1~3, a kind of pneumatic actuator of current stabilization, including ontology, the ontology include upper
Shell 1, lower case 2 and executing agency, the bottom outer-edge face of the upper housing 1 are connected with the top outer edge surface of the lower case 2,
An installation cavity is constituted between the upper housing 1 and lower case 2, is installed on the installation cavity at the top of the executing agency
It is interior, and the bottom of the executing agency passes through the lower section that the lower case 2 is set to the lower case 2, the top of the upper housing 1
Portion is equipped with an air inlet pipe 3, and the bottom of the air inlet pipe 3 is connected with installation cavity, and a shell is additionally provided with above the ontology
Body 4, the outer housing 4 are the hollow structure of bottom opening, are equipped with a buffer cavity 5, the outer housing inside the outer housing 4
External feed stream pipe 6 is equipped with above 4 side walls, the external feed stream pipe 6 is connected with the buffer cavity 5, the bottom of the outer housing 4
Portion is connected with the sealing of the middle part of the ontology, and the upper housing 1 and the air inlet pipe 3 are inserted in the buffer cavity 5.
Referring to shown in Fig. 1,3, the executing agency includes rubber membrane 7, executes bar 8 and spring 9, the outer rim of the rubber membrane
Face is installed on the junction of the upper housing and lower case, and the top for executing bar is equipped with a positioning block 10, the locating piece
Top be butted on the bottom surface of the rubber membrane, it is described execute bar bottom pass through the lower case be set to the lower case
Lower section, the spring pocket are set on the execution bar, are butted on the bottom surface of the locating piece at the top of the spring, the spring
Bottom be butted on the bottom of the lower case.Wherein, installation cavity is separated by rubber membrane, constitutes two independent cavitys.
The bottom surface of the locating piece 10 is equipped with a groove 11, is installed in the groove at the top of the execution bar, and
The top for executing bar 8 is equipped with an annular groove 12, and the top of the locating piece is equipped with a through-hole 13, the annular for executing bar
Slot is arranged in the through-hole, is butted on the top surface of the groove at the top of the spring.
In the prior art, under normal circumstances, air-flow directly enters in installation cavity from air inlet pipe, passes through gas push rubber
Epithelium pushes, and using the pushing of rubber membrane, squeezes spring, pushes executing bar and stretch out out of lower case, still, disorderly due to air-flow
Disorderly, cause execute bar stretch out it is unstable, will lead to the unstable of engine suction manifold air-flow in this way, need engine into
Increase vacuum tank on gas menifold.
Shown in Figure 1, the air inlet pipe 3 is L-type structure, including transverse tube interconnected 14 and vertical tube 15 are described perpendicular
The bottom of pipe is installed on the top of the upper housing, and the left side of the transverse tube is connected with the top of the vertical tube, the transverse tube
Air inlet is set to the right side of the transverse tube, and the external feed stream pipe is set to the left side of the outer housing, the external feed stream
The air inlet of pipe is set to the left side of the external feed stream pipe.
In the present embodiment, by the setting of outer housing, air-flow needs enter inside outer housing from external feed stream pipe, by
It is disposed opposite to each other in the air inlet of external feed stream pipe and the air inlet direction of air inlet pipe, after such air-flow enters in outer housing,
The buffering and then current stabilization of outer housing can be first passed through, the stable promotion rubber membrane of gas after enabling current stabilization guarantees pneumatic execute
The stability of device work, prevents the generation for kicking vibration, without increasing vacuum tank at inlet manifold, guarantees air mass.
Ginseng as shown in FIGS. 1 and 2, the junction of the upper housing 1 and lower case 2 constitutes outwardly extending crimping 16, described outer
The bottom of shell is coated on the outside of the crimping.
The inside of the bottom of the outer housing 4 annular protrusion 17 with outward extension, the annular protrusion 17 is equipped with one
Annular groove 18, the crimping 16 are arranged in the annular groove 18.
An annular sealing gaskets 19 is additionally provided in the annular groove 18, the bottom surface of the annular sealing gaskets is butted on described
On the top surface of crimping, the top surface of the annular sealing gaskets is butted at the top of the inner wall of the annular groove.
It in the present embodiment, in this way can be by upper casing by the way that annular protrusion and annular groove is arranged in the bottom of outer housing
The crimping cladding of the junction of body and lower case is got up, and is finally sealed using annular sealing gaskets, can either be guaranteed to install
Fastness, can also guarantee installation sealing effect.
Claims (7)
1. a kind of pneumatic actuator of current stabilization, including ontology, the ontology includes upper housing, lower case and executing agency, described
The bottom outer-edge face of upper housing is connected with the top outer edge surface of the lower case, and one is constituted between the upper housing and lower case
Installation cavity is installed in the installation cavity at the top of the executing agency, and the bottom of the executing agency pass through it is described
Lower case is set to the lower section of the lower case, and the top of the upper housing is equipped with an air inlet pipe, the bottom of the air inlet pipe with
Installation cavity is connected, it is characterised in that: an outer housing is additionally provided with above the ontology, the outer housing is bottom opening
Hollow structure, the outer housing inside are equipped with a buffer cavity, and external feed stream pipe is equipped with above the shell body sidewall, described outer
Portion's air inlet pipe is connected with the buffer cavity, and the middle part sealing of the bottom of the outer housing and the ontology is connected, it is described on
Shell and the air inlet pipe are inserted in the buffer cavity.
2. the pneumatic actuator of current stabilization according to claim 1, it is characterised in that: the air inlet pipe is L-type structure, including
Transverse tube and vertical tube interconnected, the bottom of the vertical tube are installed on the top of the upper housing, the left side of the transverse tube and institute
The top for stating vertical tube is connected, and the air inlet of the transverse tube is set to the right side of the transverse tube, and the external feed stream pipe is set to institute
The left side of outer housing is stated, the air inlet of the external feed stream pipe is set to the left side of the external feed stream pipe.
3. the pneumatic actuator of current stabilization according to claim 1, it is characterised in that: the connection of the upper housing and lower case
Place constitutes outwardly extending crimping, and the bottom of the outer housing is coated on the outside of the crimping.
4. the pneumatic actuator of current stabilization according to claim 3, it is characterised in that: the bottom of the outer housing is equipped with outside
The inside of the annular protrusion of extension, the annular protrusion is equipped with an annular groove, and the crimping is arranged in the annular groove.
5. the pneumatic actuator of current stabilization according to claim 4, it is characterised in that: be additionally provided with a ring in the annular groove
Shape gasket seal, the bottom surface of the annular sealing gaskets are butted on the top surface of the crimping, the top surface of the annular sealing gaskets
It is butted at the top of the inner wall of the annular groove.
6. the pneumatic actuator of current stabilization according to claim 1, it is characterised in that: the executing agency include rubber membrane,
Bar and spring are executed, the outer edge surface of the rubber membrane is installed on the junction of the upper housing and lower case, the execution bar
Top is equipped with a positioning block, is butted on the bottom surface of the rubber membrane at the top of the locating piece, and the bottom for executing bar passes through
The lower case is set to the lower section of the lower case, and the spring pocket is set on the execution bar, and the top of the spring is supported
In on the bottom surface of the locating piece, the bottom of the spring is butted on the bottom of the lower case.
7. the pneumatic actuator of current stabilization according to claim 6, it is characterised in that: the bottom surface of the locating piece is equipped with one
Groove is installed in the groove at the top of the execution bar, and the top for executing bar is equipped with an annular groove, the positioning
The top of block is equipped with a through-hole, and the annular groove for executing bar is arranged in the through-hole, is butted at the top of the spring described
On the top surface of groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821142451.9U CN208669474U (en) | 2018-07-18 | 2018-07-18 | A kind of pneumatic actuator of current stabilization |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821142451.9U CN208669474U (en) | 2018-07-18 | 2018-07-18 | A kind of pneumatic actuator of current stabilization |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208669474U true CN208669474U (en) | 2019-03-29 |
Family
ID=65829801
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821142451.9U Expired - Fee Related CN208669474U (en) | 2018-07-18 | 2018-07-18 | A kind of pneumatic actuator of current stabilization |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208669474U (en) |
-
2018
- 2018-07-18 CN CN201821142451.9U patent/CN208669474U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190329 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |