CN208535285U - Double-acting spring assist type actuator - Google Patents
Double-acting spring assist type actuator Download PDFInfo
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- CN208535285U CN208535285U CN201820732522.4U CN201820732522U CN208535285U CN 208535285 U CN208535285 U CN 208535285U CN 201820732522 U CN201820732522 U CN 201820732522U CN 208535285 U CN208535285 U CN 208535285U
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Abstract
The utility model discloses a kind of double-acting spring assist type 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 reset spring is arranged one group, the bottom of the upper capping offers the first spring groove corresponding with reset spring, and second spring slot corresponding with reset spring is offered at the top of the piston.This actuator adapts to special operation condition requirement, meet the requirement of quick start, this actuator can be applied in the valves such as check-valves, shut-off valve, after this actuator and valve matched, have a variety of manipulation functions such as centralized control, local control, emergency flight control, energy personnel's manipulation strength, compressed air, also applicable hydraulic oil not only can be used in the working media of this actuator, using spring characteristic, under the operating condition of Pb-Pa≤0.1MPa, using spring-assisted closed valve disc, prevent pipeline internal medium from flowing out.
Description
Technical field
The utility model relates to assist type actuation technologies field, specially a kind of double-acting spring assist type 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 it is above individual in view of the special operation condition of demand in the limitation of ship's space installation dimension and use
Structure type is difficult to meet requirement.This needs to improve the structure type of actuator, and increases part spring element,
Auxiliary valve is effectively worked in special operation condition.
Utility model content
The purpose of this utility model is to provide a kind of double-acting spring assist type actuators, to solve above-mentioned background technique
The problem of middle proposition.
To achieve the above object, the utility model provides the following technical solutions: a kind of double-acting spring assist type actuator,
Including actuator cylinder body, the actuator cylinder body is cylindrical, and the inside of the actuator cylinder body is equipped with and can move up and down
Piston, 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, is equipped with reset bullet inside the cylinder rodless cavity
Spring, the reset spring are arranged one group, and the bottom of the upper capping offers the first spring groove corresponding with reset spring, institute
It states and offers second spring slot corresponding with reset spring at the top of piston.
As advanced optimizing for the technical program, a kind of double-acting spring assist type actuator of the utility model is described
It is upper capping and actuator cylinder body contact position be equipped with upper end cover sealing ring, the upper end cover sealing ring be O-ring seal, it is described on
End cap seal circle is at least arranged two groups.
As advanced optimizing for the technical program, a kind of double-acting spring assist type actuator of the utility model is described
The cross section of piston is round, and the contact position of the piston and actuator inboard wall of cylinder block is equipped with piston seal, and the piston is close
Seal is at least arranged two groups.
As advanced optimizing for the technical program, a kind of double-acting spring assist type actuator of the utility model is described
The top and bottom end of reset spring extend respectively into the first spring groove and second spring slot.
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) this actuator can be applied in the valves such as check-valves, shut-off valve；
3) after this actuator and valve matched, there are a variety of manipulation functions such as centralized control, local control, emergency flight control,
It can personnel's manipulation strength；
4) compressed air, also applicable hydraulic oil not only can be used in the working media of this actuator；
5), using spring-assisted closed valve disc, pipeline is prevented under the operating condition of Pb-Pa≤0.1MPa using spring characteristic
Interior medium outflow.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of double-acting spring assist type actuator of the utility model；
Fig. 2 is structural representation when a kind of double-acting spring assist type 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 first spring grooves, 9 second spring slots, 10 cylinder rodless cavities, 11 cylinder rod chambers.
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 double-acting spring assist type actuator, packet
Actuator cylinder body 4 is included, the actuator cylinder body 4 is cylindrical, and the inside of the actuator cylinder body 4 is equipped with and can move up and down
Piston 6, the inside of the actuator cylinder body 4 includes that the cylinder rodless cavity 10 of 6 or more piston and the cylinder below of piston 6 have
The top of rod cavity 11, the actuator cylinder body 4 is fixed with capping 1 by fixing bolt 7, pacifies inside the cylinder rodless cavity 10
Equipped with reset spring 2, the reset spring 2 is arranged one group, and the bottom of the upper capping 1 offers corresponding with reset spring 2
The first spring groove 8, the top of the piston 6 offers and the corresponding second spring slot 9 of reset spring 2.
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 top and bottom end of the reset spring 2 extend respectively into the first spring groove 8 and second spring slot 9.
Working principle: a kind of double-acting spring assist type actuator of the utility model, in use, this actuator is double acting
Formula has secondary spring, is mainly used for the opening and closing operation of valve disc.Actuator is integral type cylinder, by the spring housing of upper piston area
Piston chamber's (no bar rod chamber 11) of (rodless cavity cylinder 10) and lower part forms, and the two is isolated by piston 6.
When work, rodless cavity cylinder 10 and working media is respectively enterd without bar rod chamber 11, push piston action, drive valve
Disk moves up and down, and completes the opening and closing of valve.It is connect by yoke with actuator when actuator is coupled with valve.To shorten knot
Structure size, yoke is as actuator bottom cylinder cap.Yoke and valve body are positioned using " fitting-up bolt ", to meet the position of valve and actuator
Degree of setting requirement guarantees the sealing performance of valve and actuator.Setting instruction valve disc open position scale and IP65 protection etc. on yoke
The valve disc of grade 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
151mm, whole height 270mm.
Compression-type reset spring 2, predominantly miscellaneous function built in actuator spring cavity:
In the hydrophobic operating condition of white-out supply mains's vacuum of no gas source and Pb-Pa≤0.1MPa, check-valves valve disc is at the beginning of spring
Under beginning compression force, remains turned-off and seal.Actuator cylinder body, end cap, bolt and yoke use pressure vessel seamless steel pipe, plate
It is manufactured with forged steel material standard, trade mark S31603.
When using hydraulic working oil, actuator strength of parts increases, and principle is constant.
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 (4)
1. a kind of double-acting spring assist type actuator, including actuator cylinder body (4), it is characterised in that: the actuator cylinder body
(4) cylindrical, the inside of the actuator cylinder body (4) is equipped with the piston (6) that can be moved up and down, the actuator cylinder body
(4) inside includes cylinder rodless cavity (10) and piston (6) the cylinder rod chamber (11) below of piston (6) or more, described
The top of actuator cylinder body (4) is fixed with capping (1) by fixing bolt (7), installation inside the cylinder rodless cavity (10)
Have reset spring (2), the reset spring (2) is arranged one group, and the bottom of the upper capping (1) offers and reset spring (2)
Corresponding first spring groove (8) offers the corresponding second spring slot with reset spring (2) at the top of the piston (6)
(9)。
2. a kind of double-acting spring assist type actuator according to claim 1, it is characterised in that: the upper capping (1)
Upper end cover sealing ring (3) are equipped with the contact position of actuator cylinder body (4), the upper end cover sealing ring (3) is O-ring seal, institute
It states upper end cover sealing ring (3) and is at least arranged two groups.
3. a kind of double-acting spring assist type actuator according to claim 1, it is characterised in that: the piston (6)
Cross section is round, and the contact position of the piston (6) and actuator cylinder body (4) inner wall is equipped with piston seal (5), the piston
Sealing ring (5) is at least arranged two groups.
4. a kind of double-acting spring assist type actuator according to claim 1, it is characterised in that: the reset spring
(2) top and bottom end extends respectively into the first spring groove (8) and second spring slot (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820732522.4U CN208535285U (en) | 2018-11-30 | 2018-11-30 | Double-acting spring assist type actuator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820732522.4U CN208535285U (en) | 2018-11-30 | 2018-11-30 | Double-acting spring assist type actuator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208535285U true CN208535285U (en) | 2019-02-22 |
Family
ID=65393558
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820732522.4U Active CN208535285U (en) | 2018-11-30 | 2018-11-30 | Double-acting spring assist type actuator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208535285U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108413111A (en) * | 2018-05-17 | 2018-08-17 | 南通东方船用设备制造有限公司 | Double-acting spring assist type actuator |
-
2018
- 2018-11-30 CN CN201820732522.4U patent/CN208535285U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108413111A (en) * | 2018-05-17 | 2018-08-17 | 南通东方船用设备制造有限公司 | Double-acting spring assist type actuator |
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