CN211117901U

CN211117901U - Bidirectional buffer type pneumatic actuator

Info

Publication number: CN211117901U
Application number: CN201922190286.5U
Authority: CN
Inventors: 邬学明; 李保根; 周卫; 邬学勇
Original assignee: Secess Fluid Equipment Nanjing Co ltd
Current assignee: Secess Fluid Equipment Nanjing Co ltd
Priority date: 2019-12-09
Filing date: 2019-12-09
Publication date: 2020-07-28
Anticipated expiration: 2029-12-09

Abstract

The utility model provides a two-way buffering type pneumatic actuator, production and application that are adapted to pneumatic actuator technical field, two-way buffering type pneumatic actuator include, device body, the embedding of device body top is provided with the intake pipe, and about the device body both ends all imbed and are fixed with the buffer tube, both ends open about the buffer tube inner wall has the sliding port, has arranged the inner tube in the buffer tube, the beneficial effects of the utility model reside in that: by arranging the inner tube, the sliding strip, the circular ring and the first spring, the abrasion of internal parts of the device body during buffering can be effectively reduced; meanwhile, through the arrangement of the turning plate, the lap joint plate, the second spring and the elastic strip, a user can conveniently place small parts to be used in the installation or maintenance process on the turning plate so as to be convenient for taking at any time, the user can conveniently install or maintain the pneumatic actuator, and the problems that the existing bidirectional buffer type pneumatic actuator is easy to wear and is inconvenient to install or maintain are solved.

Description

Bidirectional buffer type pneumatic actuator

Technical Field

The utility model belongs to the technical field of pneumatic actuator technique and specifically relates to a two-way buffering type pneumatic actuator is related to.

Background

The pneumatic actuator is an actuating device for opening and closing or regulating a valve by air pressure, is also called a pneumatic actuating mechanism or a pneumatic device, but is generally called a pneumatic head. Pneumatic actuators are sometimes also equipped with certain auxiliary devices. Commonly used valve positioners and hand wheel mechanisms. The valve positioner is used for improving the performance of the actuator by utilizing a feedback principle, so that the actuator can realize accurate positioning according to a control signal of the controller. The hand wheel mechanism is used for directly operating the control valve to maintain normal production when the control system has no power supply, no air supply, no output of the controller or failure of the actuating mechanism.

The existing bidirectional buffer type pneumatic actuator is used for buffering, parts inside the existing bidirectional buffer type pneumatic actuator easily collide slightly with the existing bidirectional buffer type pneumatic actuator in the buffering process, after the existing bidirectional buffer type pneumatic actuator is used for a long time, the phenomenon of partial abrasion can occur, the phenomenon of service life attenuation is caused, meanwhile, when the existing bidirectional buffer type pneumatic actuator is installed or maintained, the phenomenon that parts which are small in part drop easily occurs after the parts are installed or removed, a containing tool is required to be additionally arranged by a user for storage, and the existing bidirectional buffer type pneumatic actuator is not convenient for the user to install or maintain.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is: to the problem that prior art exists, provide a two-way buffering type pneumatic actuator, solved current two-way buffering type pneumatic actuator, easy wearing and tearing and the problem of be not convenient for installation or maintenance.

The to-be-solved technical problem of the utility model adopts following technical scheme to realize: a bi-directional cushioned pneumatic actuator, comprising:

the device comprises a device body, wherein an air inlet pipe is embedded in the top of the device body, buffer pipes are embedded and fixed at the left end and the right end of the device body, sliding openings are formed in the upper end and the lower end of the inner wall of each buffer pipe, an inner pipe is arranged in each buffer pipe, sliding strips which are integrated with the inner pipe and clamped in the sliding openings are arranged at the upper end and the lower end of the outer wall of each inner pipe, circular rings which are fixed through screws are sleeved at the inner ends of the inner pipes, a plurality of first springs which are uniformly arranged are embedded and fixed on the periphery of the outer end of each circular ring, the outer ends of the first springs are welded with the left side of the inner wall of the device body, a clamping groove is formed in the front of the device body, side grooves are formed in the left side and the right side of the inner wall of each clamping groove, a plurality of second springs which are vertically arranged are embedded and fixed on the inner wall of each side groove, elastic strips are uniformly arranged, and bayonets are arranged at the left end and the right end of the turning plate, and a lap joint plate welded with the device body is arranged below the turning plate.

Preferably, the device is internally provided with a buffer mechanism, and the buffer mechanism consists of a cylinder, a piston, a gear shaft, an end cover and a sealing element.

Preferably, when the first spring is compressed by 20-30N, the inner tube will slide forward along the slide opening by the slide bar, and the outer wall of the inner tube is not in contact with the inner wall of the buffer tube.

Preferably, the ring is made of soft plastic, and the ring is connected with the device body through a first spring.

Preferably, the lap joint plate and the turning plate are both made of magnets, and the turning plate and the lap joint plate are vertically arranged.

Preferably, the inner ends of the elastic strips are clamped into the bayonets and limit the turnover plate.

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

by arranging the inner tube, the sliding strip, the circular ring and the first spring, the abrasion of internal parts of the device body during buffering can be effectively reduced; meanwhile, through the arrangement of the turning plate, the lap joint plate, the second spring and the elastic strip, a user can conveniently place small parts to be used in the installation or maintenance process on the turning plate so as to be convenient for taking at any time, the user can conveniently install or maintain the pneumatic actuator, and the problems that the existing bidirectional buffer type pneumatic actuator is easy to wear and is inconvenient to install or maintain are solved.

Drawings

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

FIG. 2 is an enlarged view of a portion A of the slide bar in FIG. 1;

fig. 3 is a schematic enlarged view of part B of the elastic strip in the structure of fig. 1 of the present invention;

fig. 4 is a schematic view of the structure device body and the turning plate of the present invention;

fig. 5 is a partial schematic view of the structural inner tube of the present invention.

The labels in the figure are: 1-device body, 2-air inlet pipe, 3-buffer pipe, 4-inner pipe, 5-sliding opening, 6-sliding strip, 7-circular ring, 8-first spring, 9-lapping plate, 10-turning plate, 11-side groove, 12-second spring, 13-elastic strip, 14-bayonet and 15-clamping groove.

Detailed Description

The following description is provided for illustrative purposes, and other advantages and features of the present invention will become apparent to those skilled in the art from the following detailed description.

Please refer to fig. 1 to 5, it should be understood that the structure, ratio, size and the like shown in the drawings attached to the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by those skilled in the art, and are not used for limiting the limit conditions that the present invention can be implemented, so that the present invention has no technical essence, and any structure modification, ratio relationship change or size adjustment should still fall within the scope that the technical content disclosed in the present invention can cover without affecting the function and the achievable purpose of the present invention. In addition, the terms "upper", "lower", "left" and "right" used in the present specification are for convenience of description, and are not intended to limit the scope of the present invention, and the relative relationship between the terms and the terms is not to be construed as a scope of the present invention unless otherwise specified.

In order to achieve the above object, the utility model discloses a following technical scheme, a two-way buffering type pneumatic actuator, two-way buffering type pneumatic actuator includes:

the device comprises a device body 1, wherein an air inlet pipe 2 is embedded in the top of the device body 1, a buffer pipe 3 is embedded and fixed at the left end and the right end of the device body 1, sliding openings 5 are formed at the upper end and the lower end of the inner wall of the buffer pipe 3, an inner pipe 4 is arranged in the buffer pipe 3, sliding strips 6 which are integrated with the inner pipe 4 and clamped in the sliding openings 5 are arranged at the upper end and the lower end of the outer wall of the inner pipe 4, when the first springs 8 are compressed by 20-30N, the inner pipe 4 slides forwards along the sliding openings 5 through the sliding strips 6, the outer wall of the inner pipe 4 is not contacted with the inner wall of the buffer pipe 3, circular rings 7 which are fixed through screws are sleeved at the inner ends of the inner pipe 4, a plurality of first springs 8 which are uniformly arranged are embedded and fixed at the outer ends of the circular rings 7 in a circle, the outer ends of the first springs 8 are welded, the circular ring 7 is connected with the device body 1 through a first spring 8;

the user is when putting into use this kind of two-way buffering type pneumatic actuator, when device body 1 cushions through buffer tube 3, if the inside part of device body 1 forms the striking between when buffering and buffer tube 3, at first with the contact of the inside part of device body be ring 7, and ring 7 receives and will make first spring 8 pressurized and shrink after the striking, act on to inner tube 4 simultaneously, make inner tube 4 slide to the outer end along gate 5 through draw runner 6, after ring 7 no longer atress, first spring 8 will return slowly immediately and make inner tube 4 resume the original place, thereby reduce the wearing and tearing of the inside part of device body 1.

A clamping groove 15 is formed in the front of the device body 1, side grooves 11 are formed in the left side and the right side of the inner wall of the clamping groove 15, a plurality of second springs 12 which are vertically arranged are embedded and fixed in the inner wall of each side groove 11, elastic strips 13 are arranged in the side grooves 11, the inner ends of the second springs 12 are embedded and connected with the elastic strips 13, turning plates 10 are arranged in the clamping grooves 15, the bottoms of the turning plates are hinged with the device body 1 through hinges, bayonets 14 are formed in the left end and the right end of each turning plate 10, a lap plate 9 welded with the device body 1 is arranged below the turning plates 10, the lap plates 9 and the turning plates 10 are made of magnets, the turning plates 10 and the lap plates 9 are arranged vertically, and the inner ends of the elastic strips 13 are clamped into the bayonets 14 and limit the turning plates 10;

and, the user is when installing or maintaining device body 1, can press the bullet strip 13 to the outside earlier, make the shrink of second spring 12, bullet strip 13 will retract in the side groove 11, bullet strip 13 can not carry on spacingly to turning over board 10, the user can turn over board 10 ninety degrees of upset downwards, make turn over board 10 and put and lean on lap-joint board 9, and mutual actuation together, thereby the user can shelve the tiny part of installation or in-process use of maintenance on turning over board 10, so that take at any time, convenient to use person installs or maintenance work.

This internal buffer gear that is provided with of device, just buffer gear comprises cylinder, piston, gear shaft, end cover and sealing member, and the user can cushion through buffer gear after installing device body 1 and pneumatic valve.

The above embodiments are merely illustrative of the principles and effects of the present invention, and are not to be construed as limiting the invention. Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which may be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.

Claims

1. A bi-directional cushioned pneumatic actuator, comprising:

the device comprises a device body (1), an air inlet pipe (2) is embedded into the top of the device body (1), buffer pipes (3) are embedded and fixed into the left end and the right end of the device body (1), sliding openings (5) are formed in the upper end and the lower end of the inner wall of each buffer pipe (3), an inner pipe (4) is arranged in each buffer pipe (3), slide bars (6) which are integrated with the inner pipe and clamped in the sliding openings (5) are arranged at the upper end and the lower end of the outer wall of each inner pipe (4), a circular ring (7) which is fixed through screws is sleeved at the inner end of each inner pipe (4), a plurality of first springs (8) which are uniformly arranged are embedded and fixed into the outer end of each circular ring (7) in a circle, the outer ends of the first springs (8) are welded with the left side of the inner wall of the device body (1), a clamping groove (15) is formed in the front of the device body (, the side groove (11) inner wall all imbeds and is fixed with second spring (12) of a plurality of vertical range, just bullet strip (13) have been put to equipartition in side groove (11), second spring (12) inner all is rabbeted with bullet strip (13), it turns over board (10) through hinge and device body (1) articulated to arrange the bottom in draw-in groove (15), just turn over board (10) and all open both ends about, and bayonet socket (14) are located turn over board (10) below department and arrange and install body (1) welded lap board (9).

2. The bi-directional buffer type pneumatic actuator as claimed in claim 1, wherein: the device is characterized in that a buffer mechanism is arranged in the device body (1), and the buffer mechanism is composed of a cylinder, a piston, a gear shaft, an end cover and a sealing element.

3. The bi-directional buffer type pneumatic actuator as claimed in claim 1, wherein: when the first spring (8) is compressed by 20-30N, the inner tube (4) will slide forward along the sliding opening (5) by the sliding strip (6), and the outer wall of the inner tube (4) is not contacted with the inner wall of the buffer tube (3).

4. The bi-directional buffer type pneumatic actuator as claimed in claim 1, wherein: the circular ring (7) is made of soft plastic, and the circular ring (7) is connected with the device body (1) through a first spring (8).

5. The bi-directional buffer type pneumatic actuator as claimed in claim 1, wherein: the lap joint plate (9) and the turning plate (10) are both made of magnets, and the turning plate (10) and the lap joint plate (9) are vertically arranged.

6. The bi-directional buffer type pneumatic actuator as claimed in claim 1, wherein: the inner ends of the elastic strips (13) are clamped into the bayonets (14) and limit the turning plate (10).