CN109578348A - A kind of air pressure sense device - Google Patents
A kind of air pressure sense device Download PDFInfo
- Publication number
- CN109578348A CN109578348A CN201811407175.9A CN201811407175A CN109578348A CN 109578348 A CN109578348 A CN 109578348A CN 201811407175 A CN201811407175 A CN 201811407175A CN 109578348 A CN109578348 A CN 109578348A
- Authority
- CN
- China
- Prior art keywords
- air pressure
- displacement
- swivel nut
- sense device
- output rod
- 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.)
- Granted
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B5/00—Transducers converting variations of physical quantities, e.g. expressed by variations in positions of members, into fluid-pressure variations or vice versa; Varying fluid pressure as a function of variations of a plurality of fluid pressures or variations of other quantities
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/08—Characterised by the construction of the motor unit
- F15B15/10—Characterised by the construction of the motor unit the motor being of diaphragm type
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/20—Other details, e.g. assembly with regulating devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/20—Other details, e.g. assembly with regulating devices
- F15B15/24—Other details, e.g. assembly with regulating devices for restricting the stroke
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Actuator (AREA)
- Measuring Fluid Pressure (AREA)
Abstract
The invention belongs to technical field of mechanical design, and in particular to a kind of air pressure sense device；Air pressure sense device of the invention increases displacement inside current air pressure sense device and adjusts resetting-mechanism, the displacement adjusts resetting-mechanism and is mounted on spring support, inside seal cavity, adjusts swivel nut (16) using adjustment spring (12), proportion adjustment pad (14), stop swivel nut (15) and limit；Air pressure sense device of the invention experiences actuation air pressure by experiencing film, and converts the knots modification of air pressure to the output quantity of displacement, while realizing displacement with the servo-actuated of air pressure；Using the installation site of stop swivel nut and limit adjustment swivel nut, installation Primary Location and later period adjustment positioning are realized；By adjusting the pre compressed magnitude of adjustment spring, realize that air pressure and the proportionate relationship of displacement output are adjusted.
Description
Technical field
The invention belongs to technical field of mechanical design, are related to a kind of air pressure sense device, and in particular to a kind of pressure servo
The adjustable air pressure sense device of ratio.
Background technique
As shown in Figure 1, passing through the pressure difference of comparison rubber film two sides, change is displaced current most of air pressure sense devices
Simple pressure servo is realized in the displacement of output rod, but it is adjustable to cannot achieve actuation section, air pressure and actuation displacement is direct closes
System is limited by device itself, can not adjust the proportionate relationship output and input, is unable to satisfy various forms of adjusting requirements, only
It can be carried out dedicated production, increase production cost and government pressure.
Summary of the invention
The purpose of the present invention is: a kind of air pressure sense device is proposed, with solve can not be simultaneously in current air pressure sense device
The technical issues of meeting the requirement that displacement is adjusted and limit is adjusted.
To solve this technical problem, the technical scheme is that
A kind of air pressure sense device, the air pressure sense device includes: sealing cover body 1, seal cavity 2, end cover
3, film 5, locking nut 7, pressing plate 8, piston 9, reset spring 10, spring support 11, displacement output rod 13 and position are experienced in air pressure
Transposition section resetting-mechanism；The displacement output rod 13 is mounted on piston 9, defeated by displacement output rod 13 when piston 9 moves
It is displaced out；10 one end of spring is withstood on piston 9, and one end is withstood on spring support 11；The displacement adjusts resetting-mechanism installation
Inside spring support 11, seal cavity 2.
The displacement adjusts resetting-mechanism: adjustment spring 12, proportion adjustment pad 14, stop swivel nut 15 and limit are adjusted
Whole swivel nut 16；Described 12 one end of adjustment spring is withstood on spring support 11, and one end is withstood on proportion adjustment pad 14；The ratio
Example spacer 14 is mounted in seal cavity 2；Pass through installation limit adjustment swivel nut 16 on the displacement output rod 13；Described
Stop swivel nut 15 and limit adjustment swivel nut 16 are fixed in seal cavity 2, and limit adjustment swivel nut 16 is in contact with stop swivel nut 15.
The displacement output rod 13 is to be threadedly coupled with the mounting means of piston 9.
The proportion adjustment pad 14 is to be threadedly coupled with the mounting means of seal cavity 2.
The stop swivel nut 15 is to be threadedly coupled with the mounting means of seal cavity 2.
The limit adjustment swivel nut 16 is to be threadedly coupled with the mounting means for being displaced output rod 13.
The air pressure experiences film 5 and is compared two air pressures and converts displacement for the difference by gas pressure power
The displacement of output rod 13 exports, and back-out piston 9 can be screwed in by adjusting displacement output rod 13, is screwed in and is lived by adjusting displacement output rod 13
9 length is filled in adjust the output quantity of displacement.
Extreme position of the stop swivel nut 15 for the reality output of limiting displacement output rod 13.
The limit adjustment swivel nut 16 is used for the preliminary stop position of limiting displacement output rod 13.
The beneficial effects of the present invention are: air pressure sense device of the invention is the adjustable air pressure impression dress of pressure servo ratio
Set, experience actuation air pressure by experiencing film, and convert the knots modification of air pressure to the output quantity of displacement, at the same realize displacement with
Air pressure is servo-actuated.Using the installation site of stop swivel nut and limit adjustment swivel nut, realize that installation Primary Location and later period adjustment are fixed
Position.By adjusting the pre compressed magnitude of adjustment spring, realize that air pressure and the proportionate relationship of displacement output are adjusted.This covering device realizes
Pressure and is displaced servo-actuated with pressure to the conversion of displacement, while it is adjustable to export length, export ratio and maximum position,
Increase the usability and controllability of product.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the air pressure sense device of the prior art；
Fig. 2 is the structural schematic diagram of air pressure sense device of the invention；
Fig. 3 is the structural schematic diagram that displacement of the invention adjusts resetting-mechanism；
Wherein, film, 6- are experienced in 1- sealing cover body, 2- seal cavity, 3- end cover, the first sealing ring of 4-, 5- air pressure
Second sealing ring, 7- locking nut, 8- pressing plate, 9- piston, 10- reset spring, 11- spring support, 12- adjustment spring, 13-
Move output rod, 14- proportion adjustment pad, 15- stop swivel nut, 16- limit adjustment swivel nut.
Specific embodiment
The present invention will be further described with reference to the accompanying drawings and examples:
As shown in Fig. 2, be air pressure sense device of the invention, mainly by 1, seal cavity 2 of a sealing cover body,
The locking nut 7, one of film 5, one pressure is experienced in 6, one end cover 3, the first sealing ring 4, the second sealing ring air pressures
9, one, the piston of plate 8, one spring support 11, one of reset spring 10, one displacement output rod 13 and displacement adjust reset machine
Structure.Displacement of the invention adjusts resetting-mechanism schematic diagram as shown in figure 3, including 12, proportion adjustment pads of an adjustment spring
14,15, limits of a stop swivel nut adjust swivel nut 16.Wherein sealing cover body 1 passes through the second sealing ring 6 and seal cavity 2
It is connected to form a movement cavity；Air pressure is experienced film 5 and is flattened on piston 9 by pressing plate 8, is compressed using locking nut 7, gas
Pressure sensitivity is mounted on sealing cover body 1 by film 5 and piston 9, and movement cavity is divided into two cavitys；End cover 3 passes through first
Sealing ring 4 is mounted on sealing cover body 1, so that the left chamber of Fig. 1 is formed closed chamber, there are ventholes to guarantee that left chamber can for end cover 3
To be passed through actuation air pressure；Output rod 13 is displaced by being threadably mounted on piston 9, passes through displacement output rod 13 when piston 9 moves
Output displacement, and be displaced output quantity and can be adjusted by the thread；It is displaced on output rod 13 and limit adjustment swivel nut is installed by screw thread
16, seal cavity 2 installs stop swivel nut 15 by screw thread, and limit adjustment swivel nut 16 is in contact with stop swivel nut 15, passes through adjusting
The installation site of stop swivel nut 15 or limit adjustment swivel nut 16, can limit maximum output displacement；10 one end of spring withstands on piston 9
On, one end is withstood on spring support 11, mainly plays reset response to piston；12 one end of adjustment spring withstands on spring support 11
On, one end is withstood on proportion adjustment pad 14, changes the pre- of adjustment spring 12 by adjusting the installation site of proportion adjustment pad 14
Pressing force, and then realize that the proportionate relationship of air pressure and output displacement is adjusted；Proportion adjustment pad 14 is connected by screw thread and seal cavity
Connect and realize the adjusting of installation site.
As shown in Fig. 2, in the present invention air pressure sense device the course of work are as follows: input actuation air pressure to device and compare gas
Pressure, left and right chamber by the effect of air pressure, experience film 5 and be compared two air pressures and by the difference by gas pressure power by air pressure
Value is converted into the displacement output of displacement output rod 13, adjusts displacement by adjusting the length of the displacement screw-in piston 9 of output rod 13
Output quantity, realize the conversion, servo-actuated and adjust of displacement output.Adjustment swivel nut 16 is limited on displacement output rod by adjusting
Position, realize the adjusting of preliminary stop position, pass through and adjust position of the stop swivel nut 15 in seal cavity 2, realize practical
The limitation of output limit position.By the precompressed for adjusting position change adjustment spring 12 of the proportion adjustment pad in seal cavity 2
Contracting amount realizes that the export ratio of air pressure and displacement is adjusted.The final multiple function realized air pressure and be displaced direct transformational relation can
It adjusts, the conversion of different technologies requirement can be met.
Claims (7)
1. a kind of air pressure sense device, it is characterised in that: the air pressure sense device includes: sealing cover body (1), seal cavity
(2), film (5), locking nut (7), pressing plate (8), piston (9), reset spring (10), spring are experienced in end cover (3), air pressure
Bracket (11), displacement output rod (13) and displacement adjust resetting-mechanism；The displacement output rod (13) is mounted on piston (9)
On, pass through displacement output rod (13) output displacement when piston (9) moves；Spring (10) one end is withstood on piston 9, and one end withstands on bullet
On spring bracket (11)；The displacement adjusts resetting-mechanism and is mounted on spring support (11), seal cavity (2) inside.
2. air pressure sense device according to claim 1, it is characterised in that: the displacement adjusts resetting-mechanism and includes:
Adjustment spring (12), proportion adjustment pad (14), stop swivel nut (15) and limit adjustment swivel nut (16)；
Described adjustment spring (12) one end is withstood on spring support (11), and one end is withstood on proportion adjustment pad 14；The ratio
Example spacer (14) is mounted on seal cavity (2)；Pass through installation limit adjustment swivel nut on the displacement output rod (13)
(16)；The stop swivel nut (15) and limit adjustment swivel nut (16) is fixed on seal cavity (2), limit adjustment swivel nut (16)
It is in contact with stop swivel nut (15).
3. air pressure sense device according to claim 2, it is characterised in that: the displacement output rod (13) and piston
(9) mounting means is to be threadedly coupled.
4. air pressure sense device according to claim 2, it is characterised in that: the proportion adjustment pad (14) and seal chamber
The mounting means of body (2) is to be threadedly coupled.
5. air pressure sense device according to claim 2, it is characterised in that: the stop swivel nut (15) is for limiting institute
Rheme moves the extreme position of the reality output of output rod (13), is to be threadedly coupled with the mounting means of the seal cavity (2).
6. air pressure sense device according to claim 2, it is characterised in that: limit adjustment swivel nut (16) is for limiting
The preliminary stop position for making displacement output rod (13), the mounting means with displacement output rod (13) are to be threadedly coupled.
7. according to the described in any item air pressure sense devices of claim 2 to 6, it is characterised in that: film is experienced in the air pressure
(5) when by air pressure force deformation, displacement output rod (13) output displacement, adjusting displacement output rod (13) can revolve
Enter to screw out the piston (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811407175.9A CN109578348B (en) | 2018-11-23 | 2018-11-23 | Air pressure sensing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811407175.9A CN109578348B (en) | 2018-11-23 | 2018-11-23 | Air pressure sensing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109578348A true CN109578348A (en) | 2019-04-05 |
| CN109578348B CN109578348B (en) | 2020-09-15 |
Family
ID=65924253
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811407175.9A Active CN109578348B (en) | 2018-11-23 | 2018-11-23 | Air pressure sensing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109578348B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110388353A (en) * | 2019-08-22 | 2019-10-29 | 三一重机有限公司 | A kind of hydraulic cylinder and steam turbine |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3121335A1 (en) * | 1981-05-29 | 1982-12-16 | Bosch und Pierburg System oHG, 4040 Neuss | Stroke setter |
| US4478107A (en) * | 1978-10-12 | 1984-10-23 | Regie Nationale Des Usines Renault | Suction cap for an automatic gearbox |
| CN2556685Y (en) * | 2002-08-13 | 2003-06-18 | 潘燮棠 | Adjustable membrane movable type pressure controller |
| CN202992300U (en) * | 2012-07-30 | 2013-06-12 | 伊藤工机株式会社 | Pressure adjusting device |
| CN204114273U (en) * | 2014-09-11 | 2015-01-21 | 宁波埃美柯铜阀门有限公司 | Adjustable differential pressure balancing valve |
| CN105004235A (en) * | 2015-07-14 | 2015-10-28 | 南京航空航天大学 | Proportional metering oil needle for realizing load pressure displacement feedback |
-
2018
- 2018-11-23 CN CN201811407175.9A patent/CN109578348B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4478107A (en) * | 1978-10-12 | 1984-10-23 | Regie Nationale Des Usines Renault | Suction cap for an automatic gearbox |
| DE3121335A1 (en) * | 1981-05-29 | 1982-12-16 | Bosch und Pierburg System oHG, 4040 Neuss | Stroke setter |
| CN2556685Y (en) * | 2002-08-13 | 2003-06-18 | 潘燮棠 | Adjustable membrane movable type pressure controller |
| CN202992300U (en) * | 2012-07-30 | 2013-06-12 | 伊藤工机株式会社 | Pressure adjusting device |
| CN204114273U (en) * | 2014-09-11 | 2015-01-21 | 宁波埃美柯铜阀门有限公司 | Adjustable differential pressure balancing valve |
| CN105004235A (en) * | 2015-07-14 | 2015-10-28 | 南京航空航天大学 | Proportional metering oil needle for realizing load pressure displacement feedback |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110388353A (en) * | 2019-08-22 | 2019-10-29 | 三一重机有限公司 | A kind of hydraulic cylinder and steam turbine |
| CN110388353B (en) * | 2019-08-22 | 2024-04-30 | 三一重机有限公司 | Hydraulic cylinder and steam turbine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109578348B (en) | 2020-09-15 |
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