CN216618742U - Novel stop device of pneumatic actuator - Google Patents

Abstract

The utility model relates to the technical field of pneumatic actuators, in particular to a novel stopping device of a pneumatic actuator, which comprises a shell, a toothed column, a stopping block and a limiting assembly, wherein the interior of the shell is movably connected with the toothed column, the top of the toothed column is provided with a rotating shaft, the exterior of the rotating shaft is fixedly connected with the stopping block, the limiting assembly is embedded and connected with the shell, and the exterior of the limiting assembly is provided with an air inlet, so that the traditional mode of stopping the toothed column by using a bolt is changed, the air flow in a cylinder body enters a sealed cylinder in the limiting assembly, the limiting block is pushed outwards by a mode of pressurizing in the cylinder to abut against the stopping block, the rotating angle of the toothed column can be controlled, the problem that the bolt is difficult to rotate by using a spanner is solved, the limiting block is pushed by using the air pressure in the cylinder body, and the air pressure support can provide buffer force for the limiting block, and the rotary sealing cylinder adjusts the air inlet angle, namely the extension length of the limiting block can be controlled, and the use is convenient.

Description

Novel stop device of pneumatic actuator

Technical Field

The utility model relates to the technical field of pneumatic actuators, in particular to a novel stopping device of a pneumatic actuator.

Background

The pneumatic actuator is an actuating device for opening and closing or regulating a valve by using air pressure, is also called a pneumatic actuating mechanism or a pneumatic device, but is generally called a pneumatic head. Pneumatic actuator still is equipped with certain auxiliary device sometimes, and the locking equipment that current pneumatic actuator adopted all is bolt structure, when adjusting the rotation angle of the inside tooth post of executor, not only need use the spanner just can rotate the bolt, wastes time and energy, strengthens when the inside atmospheric pressure of cylinder body moreover for piston translation rate is fast, drives the stop block at top and the collision of bolt striking, can cause the problem that deformation appears in the damage to the bolt for a long time.

SUMMERY OF THE UTILITY MODEL

In view of the above problems in the prior art, a novel stop device for a pneumatic actuator is provided.

The specific technical scheme is as follows:

the design is a novel arresting gear of pneumatic actuator, including casing, tooth post, stop block and spacing subassembly, the inside swing joint of casing the tooth post, the top of tooth post is equipped with the pivot, the outside fixed connection of pivot the stop block, spacing subassembly embedding is connected the casing, the air inlet has been seted up to spacing subassembly outside, the air inlet is located inside the casing, spacing subassembly end is provided with the stopper, the stopper is located the outside of stop block.

Preferably, the inside of spacing subassembly is equipped with sealed jar, the inside of sealed jar is equipped with the piston dish, the piston dish outside is equipped with the push rod, the push rod is kept away from the one end fixed connection of piston dish the stopper.

Preferably, the sealing cylinder is externally provided with a hole, and the hole and the air inlet are in the same horizontal plane.

Preferably, a twisting block is arranged outside the shell and fixedly connected with a rotating column, and the rotating column penetrates through the shell and is connected with the sealing cylinder.

Preferably, the limiting assembly is provided with a limiting ring inside, the limiting ring is provided with a groove inside, and the rotating column is located inside the groove.

Preferably, a driving piston is arranged inside the shell, a tooth block is arranged outside the driving piston, and the tooth block is meshed with the tooth column.

Preferably, one end of the driving piston, which is far away from the toothed block, is provided with an elastic piece, and the elastic pieces are distributed at equal intervals.

Preferably, the shell is externally provided with an air adding hole.

Preferably, the two sides of the shell are connected with end covers through fasteners, and the elastic piece is positioned inside the end covers.

Preferably, the housing is fixedly connected with a sealing plate, and the sealing plate is movably connected with the rotary column.

The technical scheme has the following advantages or beneficial effects: through the outside fixed connection stop block of pivot, spacing subassembly embedding connection casing, the air inlet has been seted up to spacing subassembly outside, the air inlet is located inside the casing, spacing subassembly end is provided with the stopper, the stopper is located the outside of stop block, this device has changed the mode that the tradition used bolt locking tooth post, utilize the inside air current of cylinder body to get into in the inside sealed cylinder of spacing subassembly, the mode through pressure boost in the jar outwards promotes the stopper, support the stop block, can control the rotatory angle of tooth post, not only solved the manual work and used the spanner to rotate the problem of bolt operation difficulty, and utilize the inside atmospheric pressure of cylinder body to promote the stopper, atmospheric pressure supports and can provide the cushion effect for the stopper, and the rotatory sealed cylinder is adjusted the length that the angle of admitting air can steerable stopper extend promptly, it is convenient to use.

Drawings

Embodiments of the present invention will now be described more fully hereinafter with reference to the accompanying drawings. The drawings are, however, to be regarded as illustrative and explanatory only and are not restrictive of the scope of the utility model.

FIG. 1 is a schematic structural diagram of an overall novel stopping device of a pneumatic actuator according to the present invention;

FIG. 2 is a schematic structural view of the interior of the housing of the novel detent mechanism of the pneumatic actuator according to the present invention;

FIG. 3 is a schematic structural view of the interior of a novel stop assembly of a pneumatic actuator according to the present invention;

fig. 4 is a schematic structural diagram of a novel stop device limiting assembly of a pneumatic actuator according to the present invention.

The above reference numerals denote: the device comprises a shell 1, an end cover 2, a toothed column 3, a rotating shaft 4, a stop block 5, a limiting assembly 6, a sealing cylinder 61, an air inlet 62, a hole 63, a piston disc 64, a push rod 65, a limiting block 66, a driving piston 7, a toothed block 8, an elastic element 9, a rotary disc 10, a rotating column 11, a limiting ring 12, a sealing plate 13 and an air adding hole 14.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.

The utility model is further described with reference to the following drawings and specific examples, which are not intended to be limiting.

Referring to fig. 1-4, a novel stopping device of a pneumatic actuator comprises a shell 1, a toothed column 3, a stop block 5 and a limiting component 6, wherein the inside of the shell 1 is movably connected with the toothed column 3, the top of the toothed column 3 is provided with a rotating shaft 4, the outside of the rotating shaft 4 is fixedly connected with the stop block 5, the limiting component 6 is embedded in the connecting shell 1, the outside of the limiting component 6 is provided with an air inlet 62, the air inlet 62 is positioned in the shell 1, the end of the limiting component 6 is provided with a limit block 66, and the limit block 66 is positioned at the outer side of the stop block 5, the device changes the traditional mode of stopping the toothed column 3 by using a bolt, utilizes air flow in a cylinder body to enter a sealing cylinder 61 in the limiting component 6, pushes the limit block 66 outwards by means of pressurizing in the cylinder to abut against the stop block 5, thus the rotating angle of the toothed column 3 can be controlled, and the problem of difficult operation of manually using a wrench to rotate the bolt is solved, and utilize the inside atmospheric pressure of cylinder body to promote stopper 66, atmospheric pressure supports can provide the cushion effect for stopper 66, and rotary seal 61 adjusts the length that the angle of admitting air promptly steerable stopper 66 extends moreover, and it is convenient to use.

The inside of spacing subassembly 6 is equipped with sealed cylinder 61, and the inside of sealed cylinder 61 is equipped with piston disc 64, and piston disc 64 outside is equipped with push rod 65, and the one end fixed connection stopper 66 of piston disc 64 is kept away from to push rod 65, and when the inside entering gas of sealed cylinder 61, pressure increases and promotes piston disc 64.

Hole 63 has been seted up to sealed jar 61 outside, and hole 63 is same horizontal plane with air inlet 62, and sealed jar 61 and the laminating of 6 inner walls of spacing subassembly are turned round piece 10 in the rotation, can drive sealed jar 61 rotatory under airtight circumstances.

The outside of casing 1 is equipped with and turns round piece 10, turns round piece 10 fixed connection column spinner 11, and column spinner 11 runs through casing 1 and connects sealed jar 61, turns round piece 10 for with casing 1 outside, provides the position for rotatory sealed jar 61.

Spacing subassembly 6's inside is equipped with spacing collar 12, and the recess has been seted up to the inside of spacing collar 12, and the column spinner 11 is located inside the recess, and spacing collar 12 is used for providing rotatory spacing to column spinner 11.

The inside drive piston 7 that is equipped with of casing 1, the outside tooth piece 8 that is equipped with of drive piston 7, tooth piece 8 meshing connection tooth post 3, the outside tooth piece 8 of drive piston 7 is connected with the meshing of tooth post 3, can drive the rotation of tooth post 3 when tooth piece 8 removes.

The end of the driving piston 7 far away from the tooth block 8 is provided with an elastic part 9, the elastic part 9 is in an equidistant distribution form, and the elastic part 9 is used for providing support and reset work for the driving piston 7.

The casing 1 is provided with an air supply hole 14 at the outside thereof, and the air supply hole 14 is connected to an external air supply pump for supplying air to the inside of the casing 1.

The two sides of the shell 1 are connected with the end covers 2 through fasteners, the elastic pieces 9 are located inside the end covers 2, and the end covers 2 are of detachable structures and used for supporting the elastic pieces 9.

The shell 1 is fixedly connected with a sealing plate 13, the sealing plate 13 is movably connected with the rotary column 11, and the sealing plate 13 is used for providing spacing rotating space and spacing for the rotary column 11.

The working principle is as follows: when an external air supply pump is connected with an air filling hole 14 to fill air into the shell 1, as the internal pressure of the device is continuously increased, an internal driving piston 7 transversely moves towards the end cover 2, the toothed column 3 is driven to rotate by the toothed block 8 in the moving process, the toothed column 3 is driven to rotate at the bottom in the rotating process, the stop block 5 is driven to rotate by the rotating shaft 4 at the top in the rotating process, when a protrusion outside the stop block 5 is contacted with the stop block 66, the toothed column 3 can be controlled to rotate by the rotating shaft 4, when the stop position needs to be adjusted, the knob 10 outside the shell 1 is rotated, the knob 10 drives the sealing cylinder 61 inside the limit component 6 to rotate by the rotating column 11, so that a hole 63 formed in the outer part of the sealing cylinder 61 is communicated with the air inlet 62 in an aligned manner, the air flow inside the outer part enters the sealing cylinder 61, and the piston disc 64 is pushed outwards by the increase of the internal pressure of the sealing cylinder 61, the piston disc 64 pushes the stopper 66 outward by the push rod 65, so that the stopper 66 stops the stopper 5.

While the utility model has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the utility model.

Claims (10)

1. A novel stop device of pneumatic actuator, its characterized in that: including casing (1), tooth post (3), stop block (5) and spacing subassembly (6), the inside swing joint of casing (1) tooth post (3), the top of tooth post (3) is equipped with pivot (4), the outside fixed connection of pivot (4) stop block (5), spacing subassembly (6) embedding is connected casing (1), air inlet (62) have been seted up to spacing subassembly (6) outside, air inlet (62) are located inside casing (1), spacing subassembly (6) end is provided with stopper (66), stopper (66) are located the outside of stop block (5).

2. The novel stop device of the pneumatic actuator as set forth in claim 1, wherein: the inside of spacing subassembly (6) is equipped with sealed jar (61), the inside of sealed jar (61) is equipped with piston dish (64), piston dish (64) outside is equipped with push rod (65), push rod (65) are kept away from the one end fixed connection of piston dish (64) stopper (66).

3. The novel stop device of claim 2, wherein: the sealing cylinder (61) is externally provided with a hole (63), and the hole (63) and the air inlet (62) are on the same horizontal plane.

4. The novel stop device of claim 2, wherein: the outer portion of the shell (1) is provided with a twisting block (10), the twisting block (10) is fixedly connected with a rotating column (11), and the rotating column (11) penetrates through the shell (1) to be connected with the sealing cylinder (61).

5. The novel stop device of claim 4, wherein: the inner part of the limiting component (6) is provided with a limiting ring (12), the inner part of the limiting ring (12) is provided with a groove, and the rotating column (11) is located in the groove.

6. The novel stop device of the pneumatic actuator as set forth in claim 1, wherein: the improved gear rack is characterized in that a driving piston (7) is arranged inside the shell (1), a gear block (8) is arranged outside the driving piston (7), and the gear block (8) is meshed with the gear column (3).

7. The novel stop device of claim 6, wherein: one end, far away from the tooth block (8), of the driving piston (7) is provided with an elastic piece (9), and the elastic pieces (9) are distributed at equal intervals.

8. The novel stop device of the pneumatic actuator as set forth in claim 1, wherein: the outer part of the shell (1) is provided with an air adding hole (14).

9. The novel stop device of claim 7, wherein: the two sides of the shell (1) are connected with the end cover (2) through fasteners, and the elastic piece (9) is located inside the end cover (2).

10. The novel pneumatic actuator stop device of claim 4, wherein: the shell (1) is fixedly connected with a sealing plate (13), and the sealing plate (13) is movably connected with the rotary column (11).

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