CN214787681U - Short cavity actuator - Google Patents
Short cavity actuator Download PDFInfo
- Publication number
- CN214787681U CN214787681U CN202120552816.0U CN202120552816U CN214787681U CN 214787681 U CN214787681 U CN 214787681U CN 202120552816 U CN202120552816 U CN 202120552816U CN 214787681 U CN214787681 U CN 214787681U
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- China
- Prior art keywords
- cavity
- casing
- concave plate
- rubber membrane
- spring
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- 239000012528 membrane Substances 0.000 claims abstract description 36
- 238000007789 sealing Methods 0.000 claims description 30
- 238000009434 installation Methods 0.000 claims description 10
- 238000005452 bending Methods 0.000 claims description 6
- 238000000034 method Methods 0.000 claims 1
- 125000003003 spiro group Chemical group 0.000 claims 1
- 230000000694 effects Effects 0.000 description 3
- 210000003437 trachea Anatomy 0.000 description 3
- 230000007423 decrease Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/12—Improving ICE efficiencies
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- Actuator (AREA)
Abstract
The utility model discloses a short cavity executor, including last casing, lower casing, rubber membrane and actuating mechanism, the rubber membrane will constitute upper plenum and cavity down between the upper and lower casing, the top outer fringe department of going up the casing is equipped with an intake pipe, actuating mechanism's top install in the cavity down, the last spring that is equipped with of actuating mechanism, the spring promote actuating mechanism the top surface support in on the bottom surface of rubber membrane, its characterized in that: the length of going up the casing is 1/8 ~ 3/8 of casing length down, the top surface middle part of going up the casing is equipped with sunken concave plate, the bottom of concave plate sink in go up the cavity, the bottom surface of concave plate is close to go up the bottom surface setting of casing, under the spring normal state, the top surface middle part of rubber membrane is close to the bottom surface setting of concave plate or the top surface of rubber membrane support in on the bottom surface of concave plate. The utility model provides the high response speed of executor shortens and postpones.
Description
Technical Field
The utility model relates to an executor especially relates to a short cavity executor.
Background
An actuator is a device in an automation tool that receives control information and exerts a control action on a controlled object. The actuator in the turbocharger is an actuating mechanism for opening and closing a valve in the turbocharger.
In the prior art, the cavity of the actuator is large, the opening and closing action is realized only after the cavity is filled with air pressure, and the delay time is long. Therefore, the technical problem is solved by the skilled person in the art.
Disclosure of Invention
The utility model aims at providing a short cavity executor through using this structure, effectively reduces and postpones for the reaction rate of executor under the atmospheric pressure effect.
In order to achieve the above purpose, the utility model adopts the technical scheme that: a short cavity actuator comprises an upper shell, a lower shell and an actuating mechanism, wherein the bottom outer edge surface of the upper shell is connected with the top outer edge surface of the lower shell, an installation cavity is formed between the upper shell and the lower shell, a rubber membrane for driving the actuating mechanism to descend is installed in the installation cavity, the outer edge surface of the rubber membrane is installed at the joint of the upper shell and the lower shell, the rubber membrane divides the installation cavity into an upper cavity and a lower cavity, an air inlet pipe is arranged at the top outer edge of the upper shell and communicated with the upper cavity, the top of the actuating mechanism is installed in the lower cavity, the bottom of the actuating mechanism penetrates through the lower shell and is arranged below the lower shell, a spring is arranged on the actuating mechanism, and pushes the top surface of the actuating mechanism to abut against the bottom surface of the rubber membrane, the length of going up the casing is 1/8 ~ 3/8 of casing length down, the top surface middle part of going up the casing is equipped with sunken concave plate, the bottom of concave plate sink in go up the cavity, the bottom surface of concave plate is close to go up the bottom surface setting of casing, under the spring normal state, the top surface middle part of rubber membrane is close to the bottom surface setting of concave plate or the top surface of rubber membrane support in on the bottom surface of concave plate.
In the technical scheme, the actuating mechanism comprises an actuating rod and an end cover with a downward opening, the top of the actuating rod is connected with the center of the end cover in a threaded manner, the bottom of the actuating rod penetrates through the bottom surface of the lower shell and is arranged below the bottom of the lower shell, the spring sleeve is arranged outside the actuating rod, the top of the spring is abutted to the bottom surface of the end cover, the bottom of the spring is abutted to the bottom surface of the lower cavity, the spring pushes the end cover and the actuating rod to move upwards, so that the top surface of the end cover is abutted to the bottom surface of the rubber film, and the middle of the rubber film is pushed to move upwards.
Among the above-mentioned technical scheme, the concave plate is big-end-up's toper structure, the concave plate with constitute a cavity of bending down between the top of last casing, the bottom surface of concave plate is equipped with the recess of bending up, the recess with it is linked together to go up the cavity, the top surface centre of end cover is equipped with an arcuation arch of bending up, the arcuation arch promotes the top surface centre of rubber membrane support in the recess or be close to the recess sets up.
In the technical scheme, a positioning piece is arranged on the bottom surface of the lower cavity, an upward bulge is arranged in the middle of the positioning piece, a sealing space is arranged between the bulge and the bottom surface of the lower cavity, and the bottom of the actuating rod penetrates through the bulge, the sealing space and the bottom of the lower shell and is arranged below the bottom of the lower shell.
In the above technical scheme, the bottom of the spring is abutted against the top surface of the positioning piece, and the lower part of the spring is sleeved outside the protrusion.
In the technical scheme, an elastic sealing gasket is sleeved in the sealing space, and the inner edge surface of the elastic sealing gasket is abutted against the outer edge surface of the actuating rod; the outer edge surface of the elastic sealing gasket is provided with an annular groove, a sealing ring is sleeved in the annular groove, and the outer edge surface of the sealing ring supports against the inner wall of the sealing space.
In the technical scheme, the upper shell is of a hollow structure with an opening at the bottom, the lower shell is of a hollow structure with an opening at the top, an annular edge which is completely outward is arranged at the outer edge of the bottom of the upper shell, a bent turned edge is arranged at the outer edge of the top of the lower shell, and the annular edge is limited by being coated by the turned edge; the outer edge of the rubber film is clamped in the annular edge and the turned edge and is limited by the annular deformation and the turned edge.
In the technical scheme, the middle part of the air inlet pipe is provided with the arc-shaped bulge, and the outer diameter of the arc-shaped bulge is larger than that of the air inlet pipe.
Because of the application of the technical scheme, compared with the prior art, the utility model has the following advantages:
1. the utility model discloses in set up sunken concave plate at the top of last casing, can effectively reduce the inside volume of upper plenum, the action that opens and shuts of executor just can be satisfied to littleer atmospheric pressure like this, effectively reduces and postpones, improves response speed, and the atmospheric pressure requirement is littleer.
Drawings
Fig. 1 is a schematic structural diagram in a first embodiment of the present invention.
Wherein: 1. an upper housing; 2. a lower housing; 3. a rubber film; 4. an upper cavity; 5. a lower cavity; 6. an air inlet pipe; 7. a spring; 8. a concave plate; 9. an end cap; 10. a concave cavity; 11. a groove; 12. an arc-shaped protrusion; 13. a positioning member; 14. a protrusion; 15. sealing the space; 16. an elastic sealing gasket; 17. a seal ring; 18. an annular edge; 19. curling; 20. an arc-shaped bulge; 21. an actuating lever.
Detailed Description
The invention will be further described with reference to the following drawings and examples:
the first embodiment is as follows: referring to fig. 1, a short cavity actuator comprises an upper shell 1, a lower shell 2 and an actuator, wherein the outer edge surface of the bottom of the upper shell is connected with the outer edge surface of the top of the lower shell, an installation cavity is formed between the upper shell and the lower shell, a rubber membrane 3 for driving the actuator to descend is installed in the installation cavity, the outer edge surface of the rubber membrane is installed at the joint of the upper shell and the lower shell, the rubber membrane divides the installation cavity into an upper cavity 4 and a lower cavity 5, an air inlet pipe 6 is arranged at the outer edge of the top of the upper shell, the air inlet pipe is communicated with the upper cavity, the top of the actuator is installed in the lower cavity, the bottom of the actuator penetrates through the lower shell and is arranged below the lower shell, a spring 7 is arranged on the actuator, and pushes the top surface of the actuator to abut against the bottom surface of the rubber membrane, the length of going up the casing is 1/8 ~ 3/8 of casing length down, the top surface middle part of going up the casing is equipped with sunken concave plate 8, the bottom of concave plate sink in go up the cavity, the bottom surface of concave plate is close to go up the bottom surface setting of casing, under the spring normal state, the top surface middle part of rubber film is close to the bottom surface setting of concave plate or the top surface of rubber film support in on the bottom surface of concave plate.
In this embodiment, under normal conditions, the spring can promote actuator and rubber membrane to move up, make the top of rubber membrane be close to or support on the bottom surface of notch board, and the length of the casing is shorter on itself, the volume itself of the inside of upper cavity is just smaller like this, and simultaneously, through setting up recessed notch board, the volume of upper cavity can further reduce like this, and the rubber membrane is close to or supports on the notch board, before making the upper cavity not ventilate, the inside volume of upper cavity is littleer, in the time of work, the intake pipe is intake, gas can be very quick full of upper cavity like this, and promote the rubber membrane to descend, utilize the decline of rubber membrane to compress the spring, make actuator descend, realize actuator's response. The upper cavity is small in size, so that the speed block is responded, meanwhile, the actuator can be pushed to open and close due to small air pressure, the small air pressure can be met, the smooth operation of the actuator is guaranteed, and the speed block is responded. And, the setting of concave plate for the upper cavity is when not working, and inside presents a bowl structure, and when atmospheric pressure filled in the upper cavity, can be quick struts rubber membrane and concave plate junction, pushes down the rubber membrane, makes the quick response of actuating mechanism.
Referring to fig. 1, the actuator includes an actuating rod 21 and an end cap 9 with a downward opening, the top of the actuating rod is connected to the center of the end cap in a threaded manner, the bottom of the actuating rod passes through the bottom surface of the lower housing and is disposed below the bottom of the lower housing, the spring is disposed outside the actuating rod, the top of the spring abuts against the bottom surface of the end cap, the bottom of the spring abuts against the bottom surface of the lower cavity, and the spring pushes the end cap and the actuating rod to move upward, so that the top surface of the end cap abuts against the bottom surface of the rubber film and the middle of the rubber film moves upward.
In this embodiment, adopt the setting of end cover, both be convenient for and be connected with the top of actuating lever, simultaneously, can increase the area of contact with the rubber membrane for when the rubber membrane is aerifyd the deformation by upper chamber, can be quick promote the end cover and the actuating lever descends, moreover, the spring of being convenient for supports the end cover, guarantees that the spring can promote the quick rising of end cover and actuating lever and reply the normal position.
Referring to fig. 1, the concave plate is a conical structure with a large top and a small bottom, a cavity 10 which is bent downwards is formed between the concave plate and the top of the upper shell, a groove 11 which is bent upwards is formed in the bottom surface of the concave plate, the groove is communicated with the upper cavity, an arc-shaped protrusion 12 which is bent upwards is arranged in the center of the top surface of the end cover, and the arc-shaped protrusion pushes the center of the top surface of the rubber film to be abutted into the groove or to be close to the groove.
In this embodiment, through the setting of recess and arcuation arch, constitute an arcuate guiding mechanism again like this, when the intake pipe admits air, can extrude arcuation arch and recess in from the junction between notch board and the rubber membrane like this, give the effect of a direction of air current for smooth and easy and stable when promoting rubber membrane and actuating mechanism and descend, make rubber membrane atress more even, actuating mechanism removes stably.
Referring to fig. 1, a positioning member 13 is disposed on the bottom surface of the lower cavity, an upward protrusion 14 is disposed in the middle of the positioning member, a sealing space 15 is disposed between the protrusion and the bottom surface of the lower cavity, and the bottom of the actuating rod penetrates through the protrusion, the sealing space and the bottom of the lower housing and is disposed below the bottom of the lower housing.
The bottom of the spring is abutted against the top surface of the positioning piece, and the lower part of the spring is sleeved outside the bulge.
Through setting element and bellied setting, the location of the spring bottom of being convenient for the spring bottom cover is in bellied outside, prevents the spring off normal, makes the setting element give down the pressure of cavity bottom surface more even moreover, prevents that the spring from making the bottom surface of cavity down and damaging.
As shown in fig. 1, an elastic sealing gasket 16 is sleeved in the sealing space, and an inner edge surface of the elastic sealing gasket abuts against an outer edge surface of the actuating rod; the outer edge surface of the elastic sealing gasket is provided with an annular groove, the annular groove is internally sleeved with a sealing ring 17, and the outer edge surface of the sealing ring supports against the inner wall of the sealing space.
Through the setting of the elastic sealing gasket and the sealing ring, the sealing effect is achieved, and liquid is prevented from entering the installation cavity from the joint of the actuating rod and the lower shell.
Referring to fig. 1, the upper shell is a hollow structure with an opening at the bottom, the lower shell is a hollow structure with an opening at the top, an annular edge 18 which is completely outward is arranged at the outer edge of the bottom of the upper shell, a bent turned edge 19 is arranged at the outer edge of the top of the lower shell, and the annular edge is wrapped and limited by the turned edge; the outer edge of the rubber film is clamped in the annular edge and the turned edge and is limited by the annular deformation and the turned edge.
The turned edge and the annular edge are clamped, so that the upper shell and the lower shell are conveniently connected, the outer edge of the rubber film can be locked and limited, and the air leakage phenomenon can be prevented.
Referring to fig. 1, an arc-shaped protrusion 20 is disposed in the middle of the intake pipe, and the outer diameter of the arc-shaped protrusion is larger than that of the intake pipe.
Through the bellied setting of arc for when connecting the trachea, can utilize the arc arch to carry out the screens, prevent that trachea and intake pipe from breaking away from, guarantee the fastness and the stability that the trachea is connected.
Claims (8)
1. A short cavity actuator comprises an upper shell, a lower shell and an actuating mechanism, wherein the bottom outer edge surface of the upper shell is connected with the top outer edge surface of the lower shell, an installation cavity is formed between the upper shell and the lower shell, a rubber membrane for driving the actuating mechanism to descend is installed in the installation cavity, the outer edge surface of the rubber membrane is installed at the joint of the upper shell and the lower shell, the rubber membrane divides the installation cavity into an upper cavity and a lower cavity, an air inlet pipe is arranged at the top outer edge of the upper shell and communicated with the upper cavity, the top of the actuating mechanism is installed in the lower cavity, the bottom of the actuating mechanism penetrates through the lower shell and is arranged below the lower shell, a spring is arranged on the actuating mechanism, and pushes the top surface of the actuating mechanism to abut against the bottom surface of the rubber membrane, the method is characterized in that: the length of going up the casing is 1/8 ~ 3/8 of casing length down, the top surface middle part of going up the casing is equipped with sunken concave plate, the bottom of concave plate sink in go up the cavity, the bottom surface of concave plate is close to go up the bottom surface setting of casing, under the spring normal state, the top surface middle part of rubber membrane is close to the bottom surface setting of concave plate or the top surface of rubber membrane support in on the bottom surface of concave plate.
2. The short cavity actuator of claim 1, wherein: actuating mechanism includes actuating lever and open-ended end cover down, actuating lever's top with the positive center spiro union of end cover links to each other, actuating lever's bottom is passed down the bottom surface of casing set up in the bottom below of casing down, the spring housing set up in actuating lever's outside, the top of spring support in on the bottom surface of end cover, the bottom of spring support in on the bottom surface of cavity down, the spring promotes end cover and actuating lever move up, make the top surface of end cover support in on the bottom surface of rubber membrane, and promote the middle part of rubber membrane moves up.
3. The short cavity actuator of claim 2, wherein: the concave plate is a big-end-up conical structure, the concave plate with constitute a cavity of bending down between the top of last casing, the bottom surface of concave plate is equipped with the recess of bending up, the recess with go up the cavity and be linked together, the top surface positive center of end cover is equipped with an arcuation arch of bending up, the arcuation arch promotes the top surface positive center of rubber diaphragm support in the recess or be close to the recess sets up.
4. The short cavity actuator of claim 2, wherein: the bottom surface of cavity is equipped with a setting element down, the middle part of setting element is equipped with the arch up, protruding with be equipped with the seal space down between the bottom surface of cavity, the bottom of actuating lever is worn arch, seal space reach the bottom of casing sets up in the bottom below of casing down.
5. The short cavity actuator of claim 4, wherein: the bottom of the spring is abutted against the top surface of the positioning piece, and the lower part of the spring is sleeved outside the bulge.
6. The short cavity actuator of claim 5, wherein: an elastic sealing gasket is sleeved in the sealing space, and the inner edge surface of the elastic sealing gasket is abutted against the outer edge surface of the actuating rod; the outer edge surface of the elastic sealing gasket is provided with an annular groove, a sealing ring is sleeved in the annular groove, and the outer edge surface of the sealing ring supports against the inner wall of the sealing space.
7. The short cavity actuator of claim 1, wherein: the upper shell is of a hollow structure with an opening at the bottom, the lower shell is of a hollow structure with an opening at the top, an annular edge which is completely outward is arranged at the outer edge of the bottom of the upper shell, a bent turned edge is arranged at the outer edge of the top of the lower shell, and the annular edge is limited by being coated by the turned edge; the outer edge of the rubber film is clamped in the annular edge and the turned edge and is limited by the annular deformation and the turned edge.
8. The short cavity actuator of claim 1, wherein: the middle part of intake pipe is equipped with an arc arch, the bellied external diameter of arc is greater than the external diameter of intake pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120552816.0U CN214787681U (en) | 2021-03-17 | 2021-03-17 | Short cavity actuator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120552816.0U CN214787681U (en) | 2021-03-17 | 2021-03-17 | Short cavity actuator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214787681U true CN214787681U (en) | 2021-11-19 |
Family
ID=78665866
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120552816.0U Expired - Fee Related CN214787681U (en) | 2021-03-17 | 2021-03-17 | Short cavity actuator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214787681U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112922720A (en) * | 2021-03-17 | 2021-06-08 | 太仓源凯汽车配件有限公司 | Short cavity executor |
-
2021
- 2021-03-17 CN CN202120552816.0U patent/CN214787681U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112922720A (en) * | 2021-03-17 | 2021-06-08 | 太仓源凯汽车配件有限公司 | Short cavity executor |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211119 |