CN208546588U - Single-acting air spring pneumatic actuator - Google Patents
Single-acting air spring pneumatic actuator Download PDFInfo
- Publication number
- CN208546588U CN208546588U CN201820740903.7U CN201820740903U CN208546588U CN 208546588 U CN208546588 U CN 208546588U CN 201820740903 U CN201820740903 U CN 201820740903U CN 208546588 U CN208546588 U CN 208546588U
- Authority
- CN
- China
- Prior art keywords
- actuator
- piston
- cylinder body
- air spring
- acting air
- 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
- Actuator (AREA)
Abstract
The utility model discloses a kind of single-acting air spring pneumatic actuators, including actuator cylinder body, the actuator cylinder body is cylindrical, the inside of the actuator cylinder body is equipped with the piston that can be moved up and down, the inside of the actuator cylinder body includes the cylinder rodless cavity and piston cylinder rod chamber below of piston or more, the top of the actuator cylinder body is fixed with upper capping by fixing bolt, and blow vent is also provided in the upper capping, is also connected with stop nut on the piston.This actuator adapts to special operation condition requirement; meet the requirement of quick start; the actuator has self-protection function when power source missing; guarantee the check function of valve; this actuator can be applied in the valves such as check-valves, after this actuator and valve matched, have a variety of manipulation functions such as long-range control, local control; it can be reduced labor intensity, compressed air, also applicable hydraulic oil not only can be used in the working media of this actuator.
Description
Technical field
The utility model relates to pneumatic actuator technical field, specially a kind of single-acting air spring pneumatic actuator.
Background technique
Pneumatic actuator is the executive device being completed opening and closing using the compressed air-driven valve of certain pressure or being reconciled.It is existing
Some pneumatic actuators are broadly divided into the structures such as diaphragm type, piston type, fork type and pinion and-rack.These types of structural shape exists
It is widely used in valve.But in view of the special operation condition of demand in the use of ship's space system, the above individual structure type is difficult
To meet requirement.This needs to improve the structure type of actuator, and increases the auxiliary elements such as partial spring, completes
Defencive function.
Utility model content
The purpose of this utility model is to provide a kind of single-acting air spring pneumatic actuators, to solve above-mentioned background skill
The problem of being proposed in art.
To achieve the above object, the utility model provides the following technical solutions: a kind of single-acting air spring pneumatically executes
Device, including actuator cylinder body, the actuator cylinder body is cylindrical, the inside of the actuator cylinder body be equipped with can on move down
Dynamic piston, the inside of the actuator cylinder body include that the cylinder rodless cavity of piston or more and piston cylinder below have bar
The top of chamber, the actuator cylinder body is fixed with upper capping by fixing bolt, and the section of the upper capping is circle, the gas
Four groups of reset springs are installed, the lower surface of the upper capping and the upper surface correspondence of piston open up useful inside cylinder rodless cavity
In being equipped with spring adjusting screw rod on the location hole of fixed reset spring, the upper capping, it is also provided in the upper capping logical
Port is also connected with stop nut on the piston.
As advanced optimizing for the technical program, a kind of single-acting air spring pneumatic actuator of the utility model, institute
The contact position for stating capping and actuator cylinder body is equipped with upper end cover sealing ring, and the upper end cover sealing ring is O-ring seal, described
Upper end cover sealing ring is at least arranged two groups.
As advanced optimizing for the technical program, a kind of single-acting air spring pneumatic actuator of the utility model, institute
The cross section of piston is stated as circle, the contact position of the piston and actuator inboard wall of cylinder block is equipped with piston seal, the piston
Sealing ring is at least arranged two groups.
As advanced optimizing for the technical program, a kind of single-acting air spring pneumatic actuator of the utility model, institute
The bottom end for stating spring adjusting screw rod extends in cylinder rodless cavity.
As advanced optimizing for the technical program, a kind of single-acting air spring pneumatic actuator of the utility model, institute
The middle part that spring adjusting screw rod is located at upper capping is stated, the stop nut is located at the middle part of piston.
Compared with prior art, the utility model has the beneficial effects that
1) this actuator adapts to special operation condition requirement, meets the requirement of quick start；
2) self-protection function when actuator has a power source missing, guarantees the check function of valve；
3) this actuator can be applied in the valves such as check-valves；
4) after this actuator and valve matched, there are a variety of manipulation functions such as long-range control, local control, can be reduced labour
Intensity；
5) compressed air, also applicable hydraulic oil not only can be used in the working media of this actuator.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of single-acting air spring pneumatic actuator of the utility model；
Fig. 2 is structural representation when a kind of single-acting air spring pneumatic actuator of the utility model cooperates check-valves to use
Figure.
In figure: capping, 2 reset springs, 3 upper end cover sealing rings, 4 actuator cylinder bodies, 5 piston seals, 6 pistons, 7 on 1
Fixing bolt, 8 spring adjusting screw rods, 9 blow vents, 10 cylinder rodless cavities, 11 cylinder rod chambers, 12 stop nuts.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
The utility model provides a kind of technical solution referring to FIG. 1-2: a kind of single-acting air spring pneumatic actuator,
Including actuator cylinder body 4, the actuator cylinder body 4 is cylindrical, the inside of the actuator cylinder body 4 be equipped with can on move down
Dynamic piston 6, the inside of the actuator cylinder body 4 include the cylinder rodless cavity 10 and the cylinder below of piston 6 of 6 or more piston
The top of rod chamber 11, the actuator cylinder body 4 is fixed with capping 1 by fixing bolt 7, and the section of the upper capping 1 is
Circle, is equipped with four groups of reset springs 2 inside the cylinder rodless cavity 10, the lower surface of the upper capping 1 and piston 6 it is upper
The corresponding location hole offered for fixed reset spring 2 in surface, upper cover is equipped with spring adjusting screw rod 8 on 1, described
It is also provided with blow vent 9 in upper capping 1, is also connected with stop nut 12 on the piston 6.
Specifically, the contact position of the upper capping 1 and actuator cylinder body 4 is equipped with upper end cover sealing ring 3, the upper end cover is close
Seal 3 is O-ring seal, and the upper end cover sealing ring 3 is at least arranged two groups.
Specifically, the cross section of the piston 6 is circle, the contact position of 4 inner wall of the piston 6 and actuator cylinder body is equipped with
Piston seal 5, the piston seal 5 are at least arranged two groups.
Specifically, the bottom end of the spring adjusting screw rod 8 extends in cylinder rodless cavity 10.
Specifically, the spring adjusting screw rod 8 is located at the middle part of upper capping 1, the stop nut 12 is located in piston 6
Portion.
Working principle: a kind of single-acting air spring pneumatic actuator of the utility model, in use, this actuator is nonoculture
With formula, reset spring 2 is had, opening and closing operation when being mainly used for the unlatching of valve disc and losing gas.
Actuator is integral type cylinder, by piston chamber's (gas of spring housing (the cylinder rodless cavity 10) and lower part on 6 top of piston
Cylinder rod chamber 11) it forms, the two is isolated by piston 6.Blow vent 9 is arranged in 10 internal upper part of cylinder rodless cavity or side, for resetting
Ventilation when spring 2 works.This actuator reset spring 2 has auxiliary and the different function that works, and in normal work, compression is empty
Gas enters cylinder rod chamber 11, and piston 6 overcomes spring force under compressed air effect, lift valve disc, valve work to ionized motion
Make.
When gas source loses, reset spring 2 is used as protection element, guarantees that valve disc is in compression and sealing state, multiple at this time
Position 2 spring energy of spring protects valve disc not to be lifted, and guarantees the check function of valve.
This actuator connect use with check-valves when designing, connect by yoke with actuator when actuator is coupled with valve.
For shortening structure size, yoke is as actuator bottom cylinder cap.Yoke and valve body are positioned using " fitting-up bolt ", to meet valve and hold
The position degree requirement of row device, guarantees the sealing performance of valve and actuator.Setting instruction valve disc open position scale on yoke, and
The valve disc of IP65 degree of protection opens and closes the travel switch and terminal box of position.
Actuator design pressure 3.0Mpa, 60 DEG C of design temperature, operating pressure 0.5-2.0Mpa, 4 outer diameter of actuator cylinder body
240mm, whole height 340mm.
Piston 6 and piston rod use gas-tight design structure, and piston rod end has screw thread, are joined by stop nut 12 and piston
It connects.
Actuator cylinder body, end cap, bolt and yoke are using pressure vessel seamless steel pipe, plate and the manufacture of forged steel material standard, board
Number be S31603.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (5)
1. a kind of single-acting air spring pneumatic actuator, including actuator cylinder body (4), it is characterised in that: the actuator cylinder
Body (4) is cylindrical, and the inside of the actuator cylinder body (4) is equipped with the piston (6) that can be moved up and down, the actuator cylinder
The inside of body (4) includes cylinder rodless cavity (10) and piston (6) the cylinder rod chamber (11) below of piston (6) or more, institute
The top for stating actuator cylinder body (4) is fixed with capping (1) by fixing bolt (7), and the section of the upper capping (1) is circle
Shape, the cylinder rodless cavity (10) is internal to be equipped with four groups of reset springs (2), the lower surface of the upper capping (1) and piston
(6) upper surface corresponds to the location hole offered for fixed reset spring (2), is equipped with spring tune on the upper capping (1)
It saves screw rod (8), is also provided with blow vent (9) on the upper capping (1), is also connected with stop nut (12) on the piston (6).
2. a kind of single-acting air spring pneumatic actuator according to claim 1, it is characterised in that: the upper capping
(1) and the contact position of actuator cylinder body (4) is equipped with upper end cover sealing ring (3), and the upper end cover sealing ring (3) is O-ring seal,
The upper end cover sealing ring (3) is at least arranged two groups.
3. a kind of single-acting air spring pneumatic actuator according to claim 1, it is characterised in that: the piston (6)
Cross section be circle, the contact position of the piston (6) and actuator cylinder body (4) inner wall is equipped with piston seal (5), the work
Plug sealing ring (5) is at least arranged two groups.
4. a kind of single-acting air spring pneumatic actuator according to claim 1, it is characterised in that: the spring is adjusted
The bottom end of screw rod (8) extends in cylinder rodless cavity (10).
5. a kind of single-acting air spring pneumatic actuator according to claim 1, it is characterised in that: the spring is adjusted
Screw rod (8) is located at the middle part of upper capping (1), and the stop nut (12) is located at the middle part of piston (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820740903.7U CN208546588U (en) | 2018-05-18 | 2018-05-18 | Single-acting air spring pneumatic actuator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820740903.7U CN208546588U (en) | 2018-05-18 | 2018-05-18 | Single-acting air spring pneumatic actuator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208546588U true CN208546588U (en) | 2019-02-26 |
Family
ID=65421453
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820740903.7U Active CN208546588U (en) | 2018-05-18 | 2018-05-18 | Single-acting air spring pneumatic actuator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208546588U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108468856A (en) * | 2018-05-18 | 2018-08-31 | 南通东方船用设备制造有限公司 | Single-acting air spring pneumatic actuator |
-
2018
- 2018-05-18 CN CN201820740903.7U patent/CN208546588U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108468856A (en) * | 2018-05-18 | 2018-08-31 | 南通东方船用设备制造有限公司 | Single-acting air spring pneumatic actuator |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103939631A (en) | Self-driving externally-controlled two-circuit safety gate valve | |
| CN210601013U (en) | Lever floating ball type drain valve with piston exhaust device | |
| CN208546588U (en) | Single-acting air spring pneumatic actuator | |
| CN101817484B (en) | Universal manual hydraulic jack | |
| CN208457309U (en) | Single-acting spring reset pressure balance type pneumatic actuator | |
| CN208457310U (en) | Single-acting air spring pressure balance type actuator | |
| CN208535285U (en) | Double-acting spring assist type actuator | |
| CN203098887U (en) | Special high-pressure difference angle valve for black water | |
| CN104712781B (en) | Pneumatic vacuum gate valve | |
| CN108426084A (en) | Single-acting air spring pressure balance type actuator | |
| CN201575000U (en) | Stroke limit unloading valve for oil cylinder pistons | |
| CN108468856A (en) | Single-acting air spring pneumatic actuator | |
| CN208041280U (en) | Pneumatic actuator hydraulic type Buffer Unit | |
| CN207621466U (en) | High-effect cut-out type single-acting pneumatic actuator | |
| CN201526725U (en) | Pneumatic control valve | |
| CN104019274A (en) | Automatic-locking-type hydraulic drive flat plate valve | |
| CN203847734U (en) | Self-driving external control double-loop safety gate valve | |
| CN108488469A (en) | Single-acting spring reset pressure balance type pneumatic actuator | |
| CN204606691U (en) | A kind of from exhausting pneumatic hammer device | |
| CN213655289U (en) | High-speed buffer actuator | |
| CN209041574U (en) | A kind of single flow pneumatic bellows shut-off valve | |
| CN201502775U (en) | Superposition double-cylinder actuating mechanism | |
| CN108413111A (en) | Double-acting spring assist type actuator | |
| CN202691135U (en) | Membrane type pneumatic diaphragm valve | |
| CN206943557U (en) | A kind of superposing type high thrust pneumatic actuator |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |