CN217328719U

CN217328719U - Long-life pneumatic actuating mechanism

Info

Publication number: CN217328719U
Application number: CN202220446492.7U
Authority: CN
Inventors: 陈钟寿
Original assignee: Beijing Dekong Hanglian Technology Co ltd
Current assignee: Beijing Dekong Hanglian Technology Co ltd
Priority date: 2022-03-03
Filing date: 2022-03-03
Publication date: 2022-08-30
Anticipated expiration: 2032-03-03

Abstract

The application discloses a long-life pneumatic actuating mechanism, which comprises a pneumatic actuating mechanism body and a stabilizing mechanism; the outer wall of the pneumatic actuating mechanism body is fixedly provided with a screw hole for installing the stabilizing mechanism; the periphery of the screw hole is provided with a positioning ring groove for positioning the stabilizing mechanism; the positioning ring groove is formed in the outer wall of the pneumatic actuating mechanism body and is overlapped with the screw hole axis; the inside detachable of screw is provided with stabilizing mean. The long-life pneumatic actuating mechanism is stable, flexible, convenient and fast.

Description

Long-life pneumatic actuating mechanism

Technical Field

The application relates to the technical field of actuating mechanisms, in particular to a long-life pneumatic actuating mechanism.

Background

The pneumatic actuating mechanism is used as actuating equipment for opening and closing or adjusting the valve, has the characteristics of long stroke and large thrust, and is widely applied to various fields. The standard type transmission principle is as follows: when compressed air enters between the two pistons of the pneumatic actuating mechanism from the first air hole, the air pushes the two pistons to do linear motion towards the two ends respectively, the rack on the piston drives the gear on the gear shaft to rotate anticlockwise, and at the moment, the air outside the piston is discharged from the second air hole. On the contrary, when compressed air enters the two ends of the pneumatic actuating mechanism from the second air hole, the air pushes the two pistons to move linearly towards the middle, the rack on the piston drives the gear on the gear shaft to rotate clockwise, and at the moment, the air in the middle of the pneumatic actuating mechanism is discharged from the first air hole.

Pneumatic actuator has been widely used today, and because it is monomer structure, often install the setting and follow valve work together on the valve, it is installed the back and is influenced stability and security because of the structure is unstable under long-time use easily, causes harmful effects to its life, increases the probability that the valve damaged.

Disclosure of Invention

In view of the above-mentioned shortcomings or drawbacks of the prior art, it is desirable to provide a stable, flexible, convenient and fast pneumatic actuator having a long life.

The application provides a long-life pneumatic actuator, which comprises a pneumatic actuator body and a stabilizing mechanism;

the outer wall of the pneumatic actuating mechanism body is fixedly provided with a screw hole for installing the stabilizing mechanism; the periphery of the screw hole is provided with a positioning ring groove for positioning the stabilizing mechanism; the positioning ring groove is formed in the outer wall of the pneumatic actuating mechanism body and is overlapped with the screw hole axis;

the inside detachable of screw is provided with stabilizing mean.

Preferably, the stabilizing mechanism comprises a main shaft, a lantern ring, a spiral ring and a single claw; the outer wall of one end of the main shaft along the axis direction is provided with a first thread corresponding to the screw hole, and the outer wall of the other end of the main shaft is provided with a second thread; a lantern ring is rotatably sleeved on the periphery of the main shaft between the first thread and the second thread; a stop ring is fixedly arranged between the lantern ring and the second thread and used for determining the position of the lantern ring; the outer wall of the second thread is rotatably sleeved with a spiral ring through the thread;

the outer wall of one end of the lantern ring along the diameter direction is rotatably provided with a single claw; the single claw is claw-shaped, and a connecting rod is rotatably arranged at the inflection point of the middle part; one end of the connecting rod, which is far away from the single claw, is rotatably connected with the spiral ring;

the single claws and the connecting rods in the same stabilizing mechanism are matched and arranged in groups, and more than three groups are uniformly arranged along the circumferential direction of the main shaft.

Preferably, one end of the single claw, which is far away from the lantern ring, is hollow, and a supporting rod is movably arranged in the single claw; spring bayonet locks are arranged on both sides of one end of the supporting rod positioned in the single claw and used for determining the position of the supporting rod in the single claw; the outer wall of the single claw is fixedly provided with a pin hole corresponding to the spring bayonet lock; a plurality of pairs of pin holes on the same single claw are uniformly formed along the length direction of the single claw;

the end face of one end of the support rod, which is far away from the single claw in the length direction, is provided with a sucker; the sucking discs on the same supporting rod are provided with a plurality of sucking discs.

Preferably, the lantern ring is provided with a positioning ring along the axis direction, and the end face of one end of the lantern ring, which is far away from the baffle ring, corresponds to the positioning ring groove.

Preferably, a valve wheel is fixedly arranged on one end face of the main shaft, which is far away from the first thread along the axis direction.

Preferably, the screw holes and the positioning ring grooves are matched and arranged in groups of eight, and the two groups are a pair and are respectively arranged at two ends of four side surfaces of the pneumatic actuating mechanism body.

Compared with the prior art, the beneficial effects of this application are:

this application is through setting up stabilizing mean, and the screw has been seted up to the outer wall of pneumatic actuator body, and the inside of screw is provided with the screw, is convenient for install stabilizing mean, and stabilizing mean installation, dismantlement are convenient, and the installation location is accurate, and the installation rate is swift, and is convenient nimble, and stabilizing mean provides the strong point for the pneumatic actuator body, has improved the stability of pneumatic actuator when operation, has increased the life of pneumatic actuator body.

It should be understood that what is described in this summary section is not intended to limit key or critical features of the embodiments of the application, nor is it intended to limit the scope of the application. Other features of the present application will become apparent from the following description.

Drawings

Other features, objects and advantages of the present application will become more apparent upon reading of the following detailed description of non-limiting embodiments thereof, made with reference to the accompanying drawings in which:

FIG. 1 is a schematic structural diagram of a long-life pneumatic actuator according to an embodiment of the present disclosure;

fig. 2 is a schematic structural diagram of a stabilizing mechanism of a long-life pneumatic actuator according to an embodiment of the present disclosure.

Reference numbers in the figures: 1. a pneumatic actuator body; 2. a stabilizing mechanism;

11. a screw hole; 12. a positioning ring groove; 13. a positioning ring;

21. a main shaft; 22. a collar; 23. a spiro ring; 24. a single jaw; 25. a first thread; 26. a second thread; 27. a baffle ring; 28. a connecting rod; 29. a valve wheel;

31. a support bar; 32. a spring bayonet lock; 33. a pin hole; 34. and (4) sucking discs.

Detailed Description

The present application will be described in further detail with reference to the following drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the relevant application and are not limiting of the application. It should be noted that, for the convenience of description, only the portions relevant to the application are shown in the drawings.

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.

Referring to fig. 1 and fig. 2, an embodiment of the present application provides a long-life pneumatic actuator, which includes a pneumatic actuator body 1 and a stabilizing mechanism 2;

the outer wall of the pneumatic actuator body 1 is fixedly provided with a screw hole 11 for mounting the stabilizing mechanism 2; a positioning ring groove 12 is formed on the periphery of the screw hole 11 and used for positioning the stabilizing mechanism 2; the positioning ring groove 12 is arranged on the outer wall of the pneumatic actuating mechanism body 1 and is superposed with the axis of the screw hole 11;

the interior of the screw hole 11 is detachably provided with a stabilizing mechanism 2.

In this embodiment, screw 11 has been seted up to the outer wall of pneumatic actuator body 1, and the inside of screw 11 is provided with the screw thread, is convenient for install stabilizing mean 2, and stabilizing mean 2 installation, dismantlement are convenient, and the installation location is accurate, and the installation rate is swift, and is convenient nimble, and stabilizing mean 2 provides the strong point for pneumatic actuator body 1, has improved the stability of pneumatic actuator when operation, has increased the life of pneumatic actuator body 1.

In a preferred embodiment, the stabilizing mechanism 2 comprises a main shaft 21, a collar 22, a threaded ring 23 and a single jaw 24; the outer wall of one end of the main shaft 21 along the axis direction is provided with a first thread 25 corresponding to the screw hole 11, and the outer wall of the other end is provided with a second thread 26; the outer periphery of the main shaft 21 between the first thread 25 and the second thread 26 is rotatably sleeved with a lantern ring 22; a stop ring 27 is fixedly arranged between the collar 22 and the second thread 26 and is used for determining the position of the collar 22; the outer wall of the second thread 26 is rotatably sleeved with a spiral ring 23 through threads;

the outer wall of one end of the lantern ring 22 in the diameter direction is rotatably provided with a single claw 24; the single claw 24 is claw-shaped, and a connecting rod 28 is rotatably arranged at the inflection point of the middle part; one end of the connecting rod 28 far away from the single claw 24 is rotatably connected with the spiral ring 23;

the single claws 24 and the connecting rods 28 in the same stabilizing mechanism are arranged in groups in a matched manner, and more than three groups are uniformly arranged along the circumferential direction of the main shaft 21.

In a preferred embodiment, one end of the single claw 24 far away from the lantern ring 22 is hollow, and a support rod 31 is movably arranged inside; spring bayonet pins 32 are arranged on both sides of one end of the support rod 31 positioned in the single claw 24 and used for determining the position of the support rod 31 in the single claw 24; the outer wall of the single claw 24 is fixedly provided with a pin hole 33 corresponding to the spring bayonet 32; a plurality of pairs of pin holes 33 on the same single claw 24 are uniformly arranged along the length direction of the single claw 24;

a suction cup 34 is arranged on the end face of one end of the support rod 31 far away from the single claw 24 along the length direction; a plurality of suction cups 34 are provided on the same support bar 31.

In a preferred embodiment, a positioning ring 13 is arranged on an end surface of the collar 22 away from the stop ring 27 in the axial direction corresponding to the fixation of the positioning ring groove 12.

Referring to fig. 1 and 2, in this embodiment, the stabilizing mechanism 2 is used to provide a supporting point for the pneumatic actuator body 1. The stabilizing mechanism 2 comprises a main shaft 21 which is detachably arranged, a first thread 25 is arranged on the main shaft 21 and used for matching with the screw hole 11, a second thread 26 is arranged and used for rotatably arranging the spiral ring 23, a baffle ring 27 is fixedly arranged between the first thread 25 and the second thread 26 and used for determining the position of the lantern ring 22, the lantern ring 22 can only rotate between the first thread 25 and the baffle ring 27 and cannot slide along the axis direction of the main shaft 21, and the stability of the lantern ring 22 is improved.

The single claw 24 is claw-shaped, one end of the single claw is rotatably connected with the lantern ring 22, the other end of the single claw is movably provided with a support rod 31, and the inflection point is rotatably connected with the spiral ring 23 through a connecting rod 28. When the stabilizing mechanism 2 is installed, the position of the single claw 24 to be supported is determined, the positioning ring 13 on the sleeve ring 22 is inserted into the required positioning ring groove 12, the main shaft 21 is rotated into the screw hole 11, the sleeve ring 22 is held during the period to keep the sleeve ring 22 stable and does not rotate, the main shaft 21 rotates, the single claw 24 does not rotate, the spiral ring 23 is separated from the sleeve ring 22 along the axial direction of the main shaft through the second threads 26, the main shaft 21 is screwed into the inner bottom end of the screw hole 11 until the supporting rod 31 on the single claw 24 is parallel to the main shaft 21, the blocking ring 27 tightly abuts against the sleeve ring 22 to the outer wall of the pneumatic executing mechanism body 1 to fix the pneumatic executing mechanism body, the four single claws 24 are opened to support and stabilize the pneumatic executing mechanism body 1, the installation process is convenient and fast, and flexible, time is saved, and the accuracy is high, and the stability is strong.

Single claw 24 in the same stabilizing mean 2 is provided with four altogether, and the mobilizable bracing piece 31 that is provided with in bottom of single claw 24, and after stabilizing mean 2 installation is fixed, bracing piece 31 is parallel with main shaft 21's axis, and adjustable with single claw 24's interval, and the bottom surface is provided with a plurality of sucking discs 34, and the stable tight holding surface of inhaling that can be better, it is stable firm, the stability of the pneumatic actuator body 1 of the provision by a relatively large margin.

In a preferred embodiment, a valve wheel 29 is fixedly arranged on one end face of the main shaft 21 away from the first thread 25 in the axial direction.

Referring to fig. 1 and 2, in this embodiment, the valve wheel 29 facilitates the rotation of the main shaft 21, so as to improve the use experience.

In a preferred embodiment, eight groups of the screw holes 11 and the positioning ring grooves 12 are matched and arranged in groups, and two groups are arranged in pairs and arranged at two ends of four side surfaces of the pneumatic actuator body 1 respectively.

Referring to fig. 1 and 2, in this embodiment, four side surfaces of the pneumatic actuator body 1 are stabilized in all directions, and the pneumatic actuator is high in selectivity and flexibility and is suitable for various application scenarios.

In the description of the present specification, the terms "connect", "mount", "fix", and the like are to be understood in a broad sense, for example, "connect" may be a fixed connection, a detachable connection, or an integral connection; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as the case may be.

In the description of the present application, the description of the terms "one embodiment," "some embodiments," etc. means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the application. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A long-life pneumatic actuator is characterized by comprising a pneumatic actuator body and a stabilizing mechanism;

the outer wall of the pneumatic actuating mechanism body is fixedly provided with a screw hole for mounting the stabilizing mechanism; a positioning ring groove is formed in the periphery of the screw hole and used for positioning the stabilizing mechanism; the positioning ring groove is formed in the outer wall of the pneumatic actuating mechanism body and is overlapped with the screw hole axis;

the inside detachable of screw is provided with stabilizing mean.

2. The long-life pneumatic actuator of claim 1, wherein the stabilizing mechanism comprises a spindle, a collar, a toroid, and a single jaw; the outer wall of one end of the main shaft along the axis direction is provided with a first thread corresponding to the screw hole, and the outer wall of the other end of the main shaft is provided with a second thread; the outer periphery of the main shaft, which is positioned between the first thread and the second thread, is rotatably sleeved with the lantern ring; a stop ring is fixedly arranged between the lantern ring and the second thread and used for determining the position of the lantern ring; the outer wall of the second thread is rotatably sleeved with the spiral ring through the thread;

the single claw is rotatably arranged on the outer wall of one end of the lantern ring in the diameter direction; the single claw is claw-shaped, and a connecting rod is rotatably arranged at the inflection point of the middle part of the single claw; one end of the connecting rod, which is far away from the single claw, is rotatably connected with the spiral ring;

3. The long-life pneumatic actuator according to claim 2, wherein one end of the single claw, which is far away from the lantern ring, is hollow, and a support rod is movably arranged inside the hollow single claw; spring clamping pins are arranged on two sides of one end of the supporting rod, which is positioned in the single claw, and are used for determining the position of the supporting rod in the single claw; the outer wall of the single claw is fixedly provided with a pin hole corresponding to the spring bayonet lock; a plurality of pairs of pin holes are uniformly formed in the same single claw along the length direction of the single claw;

a sucker is arranged on the end face of one end of the supporting rod, which is far away from the single claw, along the length direction; the sucking discs on the same supporting rod are provided with a plurality of sucking discs.

4. The long-life pneumatic actuator according to claim 3, wherein a positioning ring is fixedly disposed on an end face of the collar, which is away from the retainer ring in the axial direction, corresponding to the positioning ring groove.

5. The long-life pneumatic actuator according to claim 4, wherein a valve wheel is fixedly arranged on an end face of the spindle, which is far away from the first thread in the axial direction.

6. The long-life pneumatic actuator according to claim 5, wherein the screw holes and the positioning ring grooves are arranged in eight groups, and two groups are arranged in a pair at two ends of four side surfaces of the pneumatic actuator body.