CN208204154U - One kind being convenient for quick-replaceable shift fork type pneumatic actuator - Google Patents

Abstract

The utility model discloses a fork-type pneumatic actuator which is convenient for quick replacement, which comprises a first fork and a second fork, the first fork is connected with the second fork, and the first fork and the second fork are matched and connected. The front side of the second shift fork is provided with connecting rods, the connecting rods are sleeved with a first connecting plate fixedly connected with it, and the connecting rods are sleeved with a limit plate slidingly connected with it. One end of the connecting plate is provided with a fixed plate fixedly connected with it, and the end of the fixed plate away from the first connecting plate is symmetrically provided with a reset device fixedly connected with it, and the other end of the reset device is provided with a second connection fixedly connected with it. plate, and the two ends of the second connecting plate are symmetrically provided with sliding holes. The utility model has the advantage of improving the existing fork-type pneumatic actuator, driving the clamping structure to move through thread transmission, and then connecting the actuator with the device through the clamping structure, which is convenient for fast replacement of the actuator.

Description

A Fork Type Pneumatic Actuator for Quick Replacement

technical field

The utility model relates to the technical field of pneumatic actuators, in particular to a fork type pneumatic actuator which is convenient for quick replacement.

Background technique

Pneumatic actuator is a special device that uses compressed air to drive the piston to convert linear motion into rotary motion of the output shaft. Pneumatic actuators are widely used in valves. Through technical improvement, rack-type pneumatic actuators on the market It is improved to a fork-type pneumatic actuator, but the existing fork-type pneumatic actuator is connected by bolts to connect the actuator to the device. Its installation and disassembly are cumbersome, and it is impossible to quickly replace the actuator.

Utility model content

The purpose of this utility model is to solve the shortcomings in the prior art, such as: the existing fork-type pneumatic actuators are connected by bolts, and the actuators are connected with the device. A fork-type pneumatic actuator that is convenient for quick replacement is proposed.

In order to achieve the above object, the utility model adopts the following technical solutions:

A fork-type pneumatic actuator that is convenient for quick replacement, including a first fork and a second fork, the first fork is connected with the second fork, and the first fork and the second fork are The front sides are provided with connecting rods, the connecting rods are sleeved with a first connecting plate fixedly connected with it, the connecting rods are sleeved with a limit plate slidingly connected with it, and one end of the first connecting plate is set There is a fixed plate fixedly connected with it, and the end of the fixed plate away from the first connecting plate is symmetrically provided with a reset device fixedly connected with it, and the other end of the reset device is provided with a second connecting plate fixedly connected with it, and the first The two ends of the two connecting plates are symmetrically provided with slide holes, and a baffle plate fixedly connected to it is provided in the slide hole, and a threaded rod connected to it in rotation is provided on the upper side of the baffle plate, and a sliding rod is provided on the threaded rod. block, one side of the second connecting plate is provided with a connecting groove communicating with the sliding hole, one side of the slider is provided with a first pressing plate fixedly connected with it, the first pressing plate passes through the connecting groove, the A compression cylinder fixedly connected to the second connecting plate runs through in the horizontal direction. A push rod slidingly connected to the compression cylinder is inserted at one end of the compression cylinder, and the other end of the push rod is fixedly connected to one side of the fixing plate.

Preferably, the front sides of the first shift fork and the second shift fork are both provided with a slot, and one end of the connecting rod is provided with a block that engages with the slot.

Preferably, the side of the limit plate close to the first connecting plate is provided with a plurality of insertion rods fixedly connected thereto, and the front sides of the first shift fork and the second shift fork are each provided with a plurality of slots, so The insertion rod passes through the first connecting plate and is engaged with the slot.

Preferably, the reset device is composed of a telescopic rod and a spring, and the spring is sleeved on the telescopic rod and slidably connected with it.

Preferably, the slider is provided with a threaded hole in the vertical direction, and the threaded rod is inserted into the threaded hole and threadedly connected thereto.

Preferably, the side of the second connecting plate away from the reset device is symmetrically provided with a second pressure plate fixedly connected thereto, and the second pressure plate is located on one side of the first pressure plate.

Compared with the prior art, the beneficial effect of the utility model is: the utility model improves the existing fork-type pneumatic actuator, drives the clamping structure to move through the screw drive, and then connects the actuator and the device through the clamping structure Connection, installation and disassembly are relatively simple, which facilitates quick replacement of the actuator.

Description of drawings

Fig. 1 is a structural schematic diagram of a fork-type pneumatic actuator that is convenient for quick replacement proposed by the utility model;

Fig. 2 is a structural schematic diagram of a quick-replaceable fork-type pneumatic actuator limit plate proposed by the utility model.

In the figure: 1 first shift fork, 2 second shift fork, 3 connecting rod, 4 first connecting plate, 5 limit plate, 6 fixing plate, 7 reset device, 8 second connecting plate, 9 baffle plate, 10 thread Rod, 11 slide block, 12 first pressing plate, 13 second pressing plate, 14 compression cylinder, 15 push rod, 16 inserting rod.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example.

Referring to Figure 1-2, a fork-type pneumatic actuator that is easy to replace quickly includes a first fork 1 and a second fork 2, the first fork 1 is connected with the second fork 2, and the first fork 1 and the front side of the second shift fork 2 are provided with a connecting rod 3, the front sides of the first shift fork 1 and the second shift fork 2 are provided with a card slot, and one end of the connecting rod 3 is provided with a card slot. The clamping block is connected with the first shift fork 1 and the second shift fork 2 through the connecting rod 3, which is convenient for replacing the first shift fork 1 and the second shift fork 2. The connecting rod 3 is sleeved with a fixed connection The first connecting plate 4, the connecting rod 3 is sleeved with a limit plate 5 that is slidably connected to it, and the side of the limit plate 5 near the first connecting plate 4 is provided with a plurality of insertion rods 16 that are fixedly connected with it. The front sides of the fork 1 and the second shift fork 2 are provided with a plurality of slots, and the insertion rod 16 runs through the first connecting plate 4 and engages with the slots, and one end of the first connecting plate 4 is provided with a fixed plate fixedly connected thereto. 6. The end of the fixed plate 6 away from the first connecting plate 4 is symmetrically provided with a reset device 7 fixedly connected with it, and the other end of the reset device 7 is provided with a second connecting plate 8 fixedly connected with it. The reset device 7 is composed of a telescopic rod and a spring Composition, the spring is sleeved on the telescopic rod and slidably connected with it. When the actuator is reset, because the reset device 7 is stretched, under the elastic force of the spring, the fixed plate 6 is reset, driving the first shift fork 1 and the second The shift fork 2 is reset, and the two ends of the second connecting plate 8 are symmetrically provided with sliding holes, and the sliding holes are provided with a baffle plate 9 fixedly connected with it, and the upper side of the baffle plate 9 is provided with a threaded rod 10 connected to it in rotation, and the threaded rod 10 is provided with slide block 11, and the vertical direction of slide block 11 is provided with threaded hole, and threaded rod 10 is inserted in the threaded hole and is threadedly connected with it, because threaded rod 10 is threadedly connected with slide block 11, so rotate threaded rod 10 will make the slider 11 move downwards, the slider 11 drives the first pressure plate 12 to move downwards, and the device limit plate is clamped by the first pressure plate 12 and the second pressure plate 13. The clamping device has a simple structure and is convenient for fast For replacing the actuator, one side of the second connecting plate 8 is provided with a connecting groove communicating with the slide hole, and one side of the slider 11 is provided with a first pressing plate 12 fixedly connected thereto, the first pressing plate 12 passes through the connecting groove, and the second The side of the second connecting plate 8 away from the resetting device 7 is symmetrically provided with a second pressing plate 13 fixedly connected thereto. Connected compression cylinder 14 , one end of compression cylinder 14 is inserted with push rod 15 slidingly connected with it, and the other end of push rod 15 is fixedly connected with one side of fixed plate 6 .

When the utility model works, at first the actuator is connected with the device, that is, the threaded rod 10 is rotated. Since the threaded rod 10 is threadedly connected with the slider 11, turning the threaded rod 10 will make the slider 11 move downward, and the slider 11 will drive the The first pressing plate 12 moves downward, and the device limiting plate is clamped by the first pressing plate 12 and the second pressing plate 13. When in use, the compression cylinder 14 pushes the push rod 15 to move toward each other, so that the reset device 7 is elongated. The first connecting plate 4 moves toward each other, pushing the first shift fork 1 and the second shift fork 2 to rotate.

The above is only a preferred embodiment of the utility model, but the scope of protection of the utility model is not limited thereto. The equivalent replacement or change of the new technical solution and the concept of the utility model shall be covered by the protection scope of the utility model.

Claims (6)

1. one kind is convenient for quick-replaceable shift fork type pneumatic actuator, including the first shift fork (1) and the second shift fork (2), feature It is, first shift fork (1) and the second shift fork (2) are cooperatively connected, the front side of first shift fork (1) and the second shift fork (2) It is equipped with connecting rod (3), the first connecting plate (4) being firmly connected with it, the connecting rod is socketed on the connecting rod (3) (3) it is socketed with the position-arresting disk (5) being slidably connected with it on, one end of first connecting plate (4), which is equipped with, to be firmly connected with it Fixed plate (6), the fixed plate (6) are symmetrically arranged with the resetting apparatus being firmly connected with it far from the one end of the first connecting plate (4) (7), the other end of the resetting apparatus (7) is equipped with the second connecting plate (8) being firmly connected with it, second connecting plate (8) Both ends be symmetrically arranged with slide opening, the baffle (9) being firmly connected with it is equipped in the slide opening, the upside of the baffle (9) is equipped with The threaded rod (10) being rotatablely connected with it, the threaded rod (10) are equipped with sliding block (11), the side of second connecting plate (8) Equipped with the link slot being connected to slide opening, the side of the sliding block (11) is equipped with the first pressing plate (12) being firmly connected with it, described First pressing plate (12) passes through link slot, runs through the pressure for being equipped with and being firmly connected with it in the horizontal direction of second connecting plate (8) Contracting cylinder (14), one end of the compression cylinder (14) are inserted with the push rod (15) being slidably connected with it, the push rod (15) it is another End is fixedly connected with the side of fixed plate (6).

2. a kind of it is convenient for quick-replaceable shift fork type pneumatic actuator according to claim 1, which is characterized in that described the Card slot is equipped on front side of one shift fork (1) and the second shift fork (2), one end of the connecting rod (3) is equipped with the card being clamped with card slot Block.

3. according to claim 1 a kind of convenient for quick-replaceable shift fork type pneumatic actuator, which is characterized in that the limit Position disk (5) is equipped with multiple inserted links (16) being firmly connected with it, first shift fork (1) close to the side of the first connecting plate (4) Be equipped with multiple slots on front side of the second shift fork (2), the inserted link (16) is clamped through the first connecting plate (4) and with slot.

4. according to claim 1 a kind of convenient for quick-replaceable shift fork type pneumatic actuator, which is characterized in that described multiple Position device (7) is made of telescopic rod and spring, and the spring is socketed on telescopic rod and is slidably connected with it.

5. according to claim 1 a kind of convenient for quick-replaceable shift fork type pneumatic actuator, which is characterized in that the cunning The vertical direction of block (11) is equipped with threaded hole, and the threaded rod (10) is plugged in threaded hole and is threadedly coupled with it.

6. a kind of it is convenient for quick-replaceable shift fork type pneumatic actuator according to claim 1, which is characterized in that described the Two connecting plates (8) are symmetrically arranged with the second pressing plate (13) being firmly connected with it, second pressure far from the side of resetting apparatus (7) Plate (13) is located at the side of the first pressing plate (12).