CN209638505U - A kind of fast changeable pneumatic actuator - Google Patents

Abstract

The utility model relates to actuator agent technology fields, and disclose a kind of fast changeable pneumatic actuator, including actuator main body, the bottom of the actuator main body is fixedly connected with attachment base, the inside of the attachment base and bottom for being located at actuator main body is movably installed with connecting rod.The fast changeable pneumatic actuator, valve rod runs through valve fixed link by loose slot, actuator fixed link, support column and limit base extend to the inside of attachment base, the outside of connecting rod and valve rod offers connection screw thread slot, the inside of connection fixing block offers fixed thread slot, it is moved convenient for rotation connection fixed block in the outside of connecting rod and valve rod, limit base is fixedly installed with by the inner bottom wall of attachment base, convenient for the junction that fixed block is fixed on connecting rod and valve rod will be rotatablely connected, make connecting rod and valve rod stable connection, quick fixed connecting rod and valve rod are achieved the purpose that.

Description

A kind of fast changeable pneumatic actuator

Technical field

The utility model relates to actuator agent technology field, specially a kind of fast changeable pneumatic actuator.

Background technique

Actuator main body is the executive device with the opening and closing of air pressure power drive or adjusting control valve, and by title pneumatic actuator Or pneumatic device, but general popular referred to as pneumatic head, actuator main body are also equipped with certain auxiliary device sometimes, commonly use Have control valve positioner and handwheel, the effect for controlling valve positioner be to improve the property of actuator using feedback principle Can, enable actuator by the control signal of controller, realizes that accurately positioning, the effect of handwheel are when control system is because stopping Electricity is stopped the supple of gas or steam with controller without output or when executing agency's failure, using it can direct manipulation and control valve, to maintain production just Often carry out.

The actuator main body of existing market has the function of direct manipulation and control valve, avoids and manually adjust control valve, mention High control efficiency, however in use, actuator main body is fixed by screw and nut with control valve, a large amount of screw It needs a large amount of time to be mounted and dismounted with nut, makes troubles to the maintenance and replacement of actuator main body, so propose A kind of fast changeable pneumatic actuator solves the above problems.

Utility model content

(1) the technical issues of solving

In view of the deficiencies of the prior art, the utility model provides a kind of fast changeable pneumatic actuator, and having can The advantages that quick-replaceable, solves actuator main body and is fixed by screw and nut with control valve, and a large amount of screw and nut need The a large amount of time is wanted to be mounted and dismounted, the problem of maintenance and replacement to actuator main body are made troubles.

(2) technical solution

To realize above-mentioned fast changeable purpose, the utility model is provided the following technical solutions: a kind of fast changeable Pneumatic actuator, including actuator main body, the bottom of the actuator main body are fixedly connected with attachment base, the attachment base it is interior Portion and be located at actuator main body bottom be movably installed with connecting rod, the outside of the connecting rod offers connection screw thread slot, institute It states the outside of connection screw thread slot and connection fixing block, the inside of the connection fixing block is installed positioned at the external activity of connecting rod Offer fixed thread slot, the bottom of the connecting rod offers card slot, the bottom of the connecting rod and is located at the interior of attachment base Bottom wall is fixedly installed with support column, the inside of the attachment base and is located at the top of support column and is fixedly connected with limit base, described The internal activity of limit base is connected with valve rod, and fixture block is fixedly connected at the top of the valve rod, and the bottom of the attachment base is fixed It is connected with actuator fixed link, the bottom of the attachment base and outside for being located at actuator fixed link is fixedly connected with upper limit Ring, the bottom of the upper limit ring and the external activity for being located at actuator fixed link are equipped with screwed block, the screw thread The bottom of fixed block and be located at actuator fixed link bottom be connected with valve fixed link, the outside of the valve fixed link It is set with bottom stop collar, the bottom of the valve fixed link is fixedly connected with control valve.

Preferably, the outside of the connecting rod and valve rod offers connection screw thread slot, and the connection fixing block passes through solid Determine thread groove to connect with connecting rod with threaded stem.

Preferably, the fixture block matches with the size of card slot, and the connecting rod and valve rod pass through fixture block and card slot activity Connection.

Preferably, the outside of the actuator fixed link and valve fixed link offers connection screw thread slot, the screw thread The inside of fixed block offers fixed thread slot.

Preferably, the screwed block is connected by fixed thread slot and actuator fixed link and valve fixed link screw thread It connects, the actuator fixed link and valve fixed link are threadably secured block flexible connection.

Preferably, the inside of the valve fixed link, actuator fixed link, support column and limit base offers activity Slot, the valve rod extend to connecting rod through valve fixed link, actuator fixed link, support column and limit base by loose slot Bottom.

(3) beneficial effect

Compared with prior art, the utility model provides a kind of fast changeable pneumatic actuator, and having following has Beneficial effect:

1, the fast changeable pneumatic actuator, valve rod by loose slot through valve fixed link, actuator fixed link, Support column and limit base extend to the inside of attachment base, and the outside of connecting rod and valve rod offers connection screw thread slot, and connection is solid The inside for determining block offers fixed thread slot, is moved, is led in the outside of connecting rod and valve rod convenient for rotation connection fixed block The inner bottom wall for crossing attachment base is fixedly installed with limit base, convenient for that will be rotatablely connected the connection that fixed block is fixed on connecting rod and valve rod Place, makes connecting rod and valve rod stable connection, has achieved the purpose that quick fixed connecting rod and valve rod.

2, the fast changeable pneumatic actuator is offered by the outside of actuator fixed link and valve fixed link Connection screw thread slot, the inside of screwed block offer fixed thread slot, convenient for screwed block in actuator fixed link and valve The outside of door fixed link moves up and down, and is fixedly installed with upper limit ring by the outside of actuator fixed link, valve is solid The outside of fixed pole is fixedly installed with bottom stop collar, convenient for limiting the scope of activities of screwed block, while ensuring limitation spiral shell Actuator fixed link is fixedly connected by line fixed block with valve fixed link, has been achieved the purpose that Ke Kuaisugenghuan.

Detailed description of the invention

FIG. 1 is a schematic structural view of the utility model.

In figure: 1 actuator main body, 2 attachment bases, 3 connecting rods, 4 connection screw thread slots, 5 connection fixing blocks, 6 fixed thread slots, 7 card slots, 8 support columns, 9 limit bases, 10 valve rods, 11 fixture blocks, 12 actuator fixed links, 13 upper limit rings, 14 screwed blocks, 15 valve fixed links, 16 bottom stop collars, 17 control valves.

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.

Referring to Fig. 1, a kind of fast changeable pneumatic actuator, including actuator main body 1, the bottom of actuator main body 1 Portion is fixedly connected with attachment base 2, the inside of the attachment base 2 and bottom for being located at actuator main body 1 is movably installed with connecting rod 3, even The outside of extension bar 3 offers connection screw thread slot 4, the outside of the connection screw thread slot 4 and external activity for being located at connecting rod 3 is equipped with company Fixed block 5 is connect, the inside of connection fixing block 5 offers fixed thread slot 6, and the bottom of connecting rod 3 offers card slot 7, connecting rod 3 Bottom and be located at the inner bottom wall of attachment base 2 and be fixedly installed with support column 8, the inside of attachment base 2 and the top for being located at support column 8 It is fixedly connected with limit base 9, the internal activity of limit base 9 is connected with valve rod 10, and connecting rod 3 and the outside of valve rod 10 offer Connection screw thread slot 4, connection fixing block 5 are threadedly coupled by fixed thread slot 6 with connecting rod 3 with valve rod 10, the top of valve rod 10 It is fixedly connected with fixture block 11, fixture block 11 matches with the size of card slot 7, and connecting rod 3 and valve rod 10 are living by fixture block 11 and card slot 7 Dynamic connection, the bottom of attachment base 2 are fixedly connected with actuator fixed link 12, the bottom of attachment base 2 and are located at actuator fixed link 12 outside is fixedly connected with upper limit ring 13, the bottom of upper limit ring 13 and the work outside actuator fixed link 12 Dynamic to be equipped with screwed block 14, the inside of screwed block 14 offers fixed thread slot 6, the bottom of screwed block 14 and Valve fixed link 15 is connected with positioned at the bottom of actuator fixed link 12, actuator fixed link 12 and valve fixed link 15 Outside offers connection screw thread slot 4, and screwed block 14 is fixed by fixed thread slot 6 and actuator fixed link 12 and valve Bar 15 is threadedly coupled, and actuator fixed link 12 and valve fixed link 15 are threadably secured the flexible connection of block 14, valve fixed link 15, the inside of actuator fixed link 12, support column 8 and limit base 9 offers loose slot, and valve rod 10 runs through valve by loose slot Door fixed link 15, actuator fixed link 12, support column 8 and limit base 9 extend to the bottom of connecting rod 3, valve fixed link 15 Outer cover is equipped with bottom stop collar 16, and the bottom of valve fixed link 15 is fixedly connected with control valve 17.

In conclusion the fast changeable pneumatic actuator, valve rod 10 runs through valve fixed link 15 by loose slot, holds Row device fixed link 12, support column 8 and limit base 9 extend to the inside of attachment base 2, and connecting rod 3 and the outside of valve rod 10 open up There is connection screw thread slot 4, the inside of connection fixing block 5 offers fixed thread slot 6, convenient for rotation connection fixed block 5 in connecting rod 3 It is moved with the outside of valve rod 10, limit base 9 is fixedly installed with by the inner bottom wall of attachment base 2, it is solid convenient for that will be rotatablely connected Determine the junction that block 5 is fixed on connecting rod 3 Yu valve rod 10, make connecting rod 3 and 10 stable connection of valve rod, reaches quick fixation even The purpose of extension bar 3 and valve rod 10 offers connection screw thread slot by the outside of actuator fixed link 12 and valve fixed link 15 4, the inside of screwed block 14 offers fixed thread slot 6, convenient for screwed block 14 in actuator fixed link 12 and valve The outside of fixed link 15 moves up and down, and is fixedly installed with upper limit ring 13, valve by the outside of actuator fixed link 12 The outside of door fixed link 15 is fixedly installed with bottom stop collar 16, convenient for limiting the scope of activities of screwed block 14, while really It has protected limitation screwed block 14 and has been fixedly connected with actuator fixed link 12 with valve fixed link 15, reached can be changed quickly Purpose solves actuator main body 1 and is fixed by screw and nut and control valve 17, and a large amount of screw and nut need largely The problem of time is mounted and dismounted, and the maintenance and replacement to actuator main body 1 are made troubles.

It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment Intrinsic element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that There is also other identical elements in process, method, article or equipment including the element.

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 (6)

1. a kind of fast changeable pneumatic actuator, including actuator main body (1), it is characterised in that: the actuator main body (1) bottom is fixedly connected with attachment base (2), the inside of the attachment base (2) and the bottom activity for being located at actuator main body (1) It is equipped with connecting rod (3), the outside of the connecting rod (3) offers connection screw thread slot (4), outside the connection screw thread slot (4) Portion and be located at connecting rod (3) external activity be equipped with connection fixing block (5), the inside of the connection fixing block (5) offers The bottom of fixed thread slot (6), the connecting rod (3) offers card slot (7), the bottom of the connecting rod (3) and be located at connection Seat (2) inner bottom wall be fixedly installed with support column (8), the inside of the attachment base (2) and be located at support column (8) top fix It is connected with limit base (9), the internal activity of the limit base (9) is connected with valve rod (10), and the top of the valve rod (10) is fixed It is connected with fixture block (11), the bottom of the attachment base (2) is fixedly connected with actuator fixed link (12), the attachment base (2) Bottom and be located at actuator fixed link (12) outside be fixedly connected with upper limit ring (13), the upper limit ring (13) Bottom and be located at actuator fixed link (12) external activity be equipped with screwed block (14), the screwed block (14) Bottom and be located at actuator fixed link (12) bottom be connected with valve fixed link (15), the valve fixed link (15) Outer cover is equipped with bottom stop collar (16), and the bottom of the valve fixed link (15) is fixedly connected with control valve (17).

2. a kind of fast changeable pneumatic actuator according to claim 1, it is characterised in that: the connecting rod (3) It is offered connection screw thread slot (4) with the outside of valve rod (10), the connection fixing block (5) is by fixed thread slot (6) and even Extension bar (3) is threadedly coupled with valve rod (10).

3. a kind of fast changeable pneumatic actuator according to claim 1, it is characterised in that: the fixture block (11) with The size of card slot (7) matches, and the connecting rod (3) is flexibly connected with valve rod (10) by fixture block (11) and card slot (7).

4. a kind of fast changeable pneumatic actuator according to claim 1, it is characterised in that: the actuator is fixed The outside of bar (12) and valve fixed link (15) offers connection screw thread slot (4), and the inside of the screwed block (14) is opened Equipped with fixed thread slot (6).

5. a kind of fast changeable pneumatic actuator according to claim 1, it is characterised in that: the screwed block (14) it is threadedly coupled by fixed thread slot (6) with actuator fixed link (12) and valve fixed link (15), the actuator is solid Fixed pole (12) and valve fixed link (15) are threadably secured block (14) flexible connection.

6. a kind of fast changeable pneumatic actuator according to claim 1, it is characterised in that: the valve fixed link (15), the inside of actuator fixed link (12), support column (8) and limit base (9) offers loose slot, and the valve rod (10) is logical It crosses loose slot and extends to connecting rod through valve fixed link (15), actuator fixed link (12), support column (8) and limit base (9) (3) bottom.