CN210371421U

CN210371421U - AW pneumatic actuator

Info

Publication number: CN210371421U
Application number: CN201920184940.9U
Authority: CN
Inventors: 张开怀
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-01-22
Filing date: 2019-01-22
Publication date: 2020-04-21
Anticipated expiration: 2029-01-22

Abstract

The utility model relates to a AW pneumatic actuator, including executor main part, first cylinder group, second cylinder group, first piston rod, piston assembly and second piston rod, the top fixed mounting of executor main part has the upper cover, upper cover and executor main part pass through upper cover screw fixed connection, the one end fixed mounting of executor main part has first cylinder group, the one end fixed mounting that first cylinder group was kept away from to the executor main part has second cylinder group, one side fixed mounting that executor main part was kept away from to first cylinder group and second cylinder group has the end cover, end cover and executor main part pass through pull rod fixed connection, pull rod and end cover pass through pull rod nut fixed mounting, end cover and first cylinder group, second cylinder group all through adjusting nut and adjusting bolt composite mounting, the utility model discloses overall device simple structure, the performance is more stable, The adjusting precision is high, and the device has a certain popularization effect.

Description

AW pneumatic actuator

Technical Field

The utility model relates to an executor field specifically is a AW pneumatic actuator.

Background

In the process control system, the actuator is composed of two parts of an actuating mechanism and an adjusting mechanism, the adjusting mechanism directly changes parameters of the production process through an actuating element to enable the production process to meet preset requirements, the actuating mechanism receives control information from the controller and converts the control information into output (such as angular displacement or linear displacement output) for driving the adjusting mechanism, the actuating mechanism also adopts a proper actuating element, but the requirement is different from that of the adjusting mechanism, the actuator is directly arranged on the production field, sometimes the working condition is severe, whether the normal work can be kept directly affects the safety and the reliability of the automatic adjusting system, the actuators are divided into pneumatic actuators, electric actuators and hydraulic actuators according to the used driving energy, and the existing pneumatic actuators on the market at present have the defects of poor performance, low adjustment precision and continuous reduction of output torque, so that an AW pneumatic actuator is needed to improve the problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a AW pneumatic actuator to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

an AW pneumatic actuator comprises an actuator main body, a first cylinder group, a second cylinder group, a first piston rod, a piston assembly and a second piston rod, wherein an upper cover is fixedly mounted at the top of the actuator main body, the upper cover and the actuator main body are fixedly connected through an upper cover screw, the first cylinder group is fixedly mounted at one end of the actuator main body, the second cylinder group is fixedly mounted at one end of the actuator main body, which is far away from the first cylinder group, the end covers are fixedly mounted at one sides of the first cylinder group and the second cylinder group, which are far away from the actuator main body, the end covers are fixedly connected with the actuator main body through pull rods, the pull rods and the end covers are fixedly mounted through pull rod nuts, the end covers, the first cylinder group and the second cylinder group are all mounted through adjusting nuts and adjusting bolts in a combined mode, and the interiors of the first cylinder group and the second cylinder group are fixedly connected through the first, and the first piston rod and the second piston rod penetrate through the inside of the actuator main body, the first piston rod, the second piston rod, the first cylinder group and the second cylinder group are fixedly installed through piston assemblies and sealing sleeves, the first piston rod and the second piston rod are rotatably connected through a main gear, and a copper sleeve is sleeved on the main gear.

Preferably, the outer diameter of the piston assembly is equal to the inner diameter of the cylinder.

Preferably, the main gear is cylindrical, and a plurality of groups of saw teeth are arranged on the main gear.

Preferably, the end cover is provided with a through hole, and the diameter of the through hole is equal to that of the pull rod.

Preferably, the first cylinder group and the second cylinder group each include two groups of cylinders, and have equal sizes and volumes.

Preferably, a plurality of groups of grooves are formed in the first piston rod and the second piston rod, and the first piston rod and the second piston rod are parallel and equal.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses in, during the use, through two sets of four cylinders that set up, four pistons and two piston rods and the brand-new design of master gear motion of each other, reduced the executor in the start-up closing process energy loss to a very big degree, promoted output torque greatly to have the steady advantage high with the regulation precision of output torque, establish the copper sheathing on the master gear through the cover simultaneously and have stronger ductility and heat conductivity, be favorable to the master gear to carry out work.

2. The utility model discloses in, the appearance of whole device is more exquisite than the appearance of old money AW pneumatic actuator mutually, short ingenious symmetry, and mechanical properties is more stable, and the user of being convenient for through the upper cover that sets up and upper cover screw installs and dismantles the executor main part to its inside change of overhauing and spare part, be convenient for carry out fixed mounting with end cover and first cylinder group, second cylinder group through the pull rod that sets up and pull rod nut simultaneously, thereby greatly increased its steadiness.

3. The utility model discloses in, during the use, all through piston assembly and seal cover fixed mounting with first piston rod, second piston rod and first cylinder group, second cylinder group inside, and through equaling piston assembly external diameter size and cylinder internal diameter size, can adjust inside atmospheric pressure through piston motion and improve motive power for integrated device to seal cover greatly increased its first cylinder group and second cylinder group's leakproofness through.

Drawings

FIG. 1 is a schematic view of the overall external structure of the present invention;

FIG. 2 is a schematic view of the overall front view of the external structure of the present invention;

FIG. 3 is a schematic view of the inner structure of the outer ball of the present invention;

FIG. 4 is a schematic view of the internal structure of the cylinder of the present invention;

in the figure: 1-an actuator body, 2-a first cylinder group, 3-a second cylinder group, 4-a first piston rod, 5-a piston assembly, 6-a sealing sleeve, 7-an adjusting nut, 8-an adjusting bolt, 9-a pull rod nut, 10-an end cover, 11-an upper cover, 12-an upper cover screw, 13-a pull rod, 14-a main gear, 15-a copper sleeve and 16-a second piston rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution:

an AW pneumatic actuator comprises an actuator body 1, a first cylinder group 2, a second cylinder group 3, a first piston rod 4, a piston assembly 5 and a second piston rod 16, wherein an upper cover 11 is fixedly installed at the top of the actuator body 1, the upper cover 11 and the actuator body 1 are fixedly connected through an upper cover screw 12, the first cylinder group 2 is fixedly installed at one end of the actuator body 1, the second cylinder group 3 is fixedly installed at one end, far away from the first cylinder group 2, of the actuator body 1, an end cover 10 is fixedly installed at one side, far away from the actuator body 1, of the first cylinder group 2 and the second cylinder group 3, the end cover 10 and the actuator body 1 are fixedly connected through a pull rod 13, the pull rod 13 and the end cover 10 are fixedly installed through a pull rod nut 9, the overall device is more exquisite in appearance and symmetrical in length compared with the appearance of an old AW pneumatic actuator, the mechanical performance is more stable, the actuator body 1 can be conveniently installed and disassembled by a user through the arranged upper cover 11 and the arranged upper cover screw 12, the inside of the actuator body 1 can be overhauled and replaced by parts, meanwhile, the end cover 10 and the first cylinder group 2 and the second cylinder group 3 can be conveniently and fixedly installed through the arranged pull rod 13 and the pull rod nut 9, so that the stability of the actuator body is greatly increased, the end cover 10 and the first cylinder group 2 and the second cylinder group 3 are all installed in a combined mode through the adjusting nut 7 and the adjusting bolt 8, the insides of the first cylinder group 2 and the second cylinder group 3 are fixedly connected through the first piston rod 4 and the second piston rod 16, the first piston rod 4 and the second piston rod 16 penetrate through the inside of the actuator body 1, and the insides of the first piston rod 4, the second piston rod 16 and the first cylinder group 2 and the second cylinder group 3 are all fixedly installed through the piston assemblies 5 and 6, when the device is used, the first piston rod 4, the second piston rod 16, the first cylinder group 2 and the second cylinder group 3 are fixedly arranged through the piston assembly 5 and the sealing sleeve 6, the outer diameter of the piston assembly 5 is equal to the inner diameter of the cylinder, the internal air pressure can be adjusted through the movement of the piston to form an integral device, the motive power is improved, the sealing performance of the first cylinder group 2 and the second cylinder group 3 is greatly improved through the sealing sleeve 6, the first piston rod 4 and the second piston rod 16 are rotatably connected through the main gear 14, the main gear 14 is sleeved with the copper sleeve 15, when the device is used, the energy loss of an actuator in the starting and closing processes is greatly reduced through the brand new design that two groups of four cylinders, four pistons and two piston rods move mutually with the main gear 14, the output torque is greatly improved, and the device has the advantages of stable output torque and high adjusting precision, meanwhile, the copper sleeve 15 sleeved on the main gear 14 has strong ductility and thermal conductivity, and is beneficial to the work of the main gear 14.

The utility model discloses the theory of operation: when in use, the main gear 14 is arranged to start rotating, the first piston rod 4 and the second piston rod 16 are arranged to move in a combined manner through the groups of saw teeth arranged on the main gear and the grooves on the first piston rod 4 and the second piston rod 16, and the arranged first piston rod 4 and the arranged second piston rod 16 are moved in opposite directions, so that the piston assembly 5 is driven to reciprocate in the first cylinder group 2 and the second cylinder group 3, the internal air pressure is adjusted to improve the motive power of the whole device, the actuator body 1 is convenient to mount and dismount by a user through the arranged upper cover 11 and the arranged upper cover screw 12, the inside of the actuator body is convenient to overhaul and replace parts, the end cover 10 and the first cylinder group 2 and the second cylinder group 3 are convenient to fixedly mount through the arranged pull rod 13 and the pull rod nut 9, the stability of the actuator body is greatly improved, and meanwhile, the adjusting nut 7 and the adjusting bolt 8 have the advantage of high adjusting precision, the whole device has simple structure, more stable performance, high adjusting precision and stable output torque, and has certain popularization value.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. An AW pneumatic actuator comprising an actuator body (1), a first cylinder group (2), a second cylinder group (3), a first piston rod (4), a piston assembly (5) and a second piston rod (16), characterized in that: the top of the actuator main body (1) is fixedly provided with an upper cover (11), the upper cover (11) and the actuator main body (1) are fixedly connected through an upper cover screw (12), one end of the actuator main body (1) is fixedly provided with a first cylinder group (2), one end of the actuator main body (1) far away from the first cylinder group (2) is fixedly provided with a second cylinder group (3), one sides of the first cylinder group (2) and the second cylinder group (3) far away from the actuator main body (1) are fixedly provided with an end cover (10), the end cover (10) and the actuator main body (1) are fixedly connected through a pull rod (13), the pull rod (13) and the end cover (10) are fixedly arranged through a pull rod nut (9), and the end cover (10), the first cylinder group (2) and the second cylinder group (3) are all assembled and installed through an adjusting nut (7) and an adjusting bolt (8), the inner parts of the first cylinder group (2) and the second cylinder group (3) are fixedly connected through a first piston rod (4) and a second piston rod (16), the first piston rod (4) and the second piston rod (16) penetrate through the inner part of the actuator main body (1), the inner parts of the first piston rod (4), the second piston rod (16), the first cylinder group (2) and the second cylinder group (3) are fixedly installed through a piston assembly (5) and a sealing sleeve (6), the first piston rod (4) and the second piston rod (16) are rotatably connected through a main gear (14), and a copper sleeve (15) is sleeved on the main gear (14).

2. An AW pneumatic actuator as claimed in claim 1 wherein: the outer diameter of the piston assembly (5) is equal to the inner diameter of the cylinder.

3. An AW pneumatic actuator as claimed in claim 1 wherein: the main gear (14) is cylindrical, and a plurality of groups of saw teeth are arranged on the main gear (14).

4. An AW pneumatic actuator as claimed in claim 1 wherein: the end cover (10) is provided with a through hole, and the diameter of the through hole is equal to that of the pull rod (13).

5. An AW pneumatic actuator as claimed in claim 1 wherein: the first cylinder group (2) and the second cylinder group (3) comprise two groups of cylinders and are equal in size and volume.

6. An AW pneumatic actuator as claimed in claim 1 wherein: a plurality of groups of grooves are formed in the first piston rod (4) and the second piston rod (16), and the first piston rod (4) and the second piston rod (16) are parallel and equal.