CN216812362U

CN216812362U - Novel air cylinder

Info

Publication number: CN216812362U
Application number: CN202221323708.7U
Authority: CN
Inventors: 侯金合; 冯卫卫; 乔道云; 裴雨霞
Original assignee: Xinxiang Lukaitong Hydraulic Transmission Machinery Co ltd
Current assignee: Xinxiang Lukaitong Hydraulic Transmission Machinery Co ltd
Priority date: 2022-05-30
Filing date: 2022-05-30
Publication date: 2022-06-24
Anticipated expiration: 2032-05-30

Abstract

The utility model discloses a novel cylinder, which comprises a cylinder body, wherein a rear cover is fixed at one end of the cylinder body, a mounting seat is fixed at the other end of the cylinder body, the interior of the cylinder body is of a boss-shaped structure, the right side in the cylinder body is connected with a piston I with a boss-shaped structure in a sliding manner, a piston II which is connected with the piston I in a sliding manner is arranged in the piston I, the piston II is also in a boss-shaped structure, a piston III which is connected in a sliding way is arranged on the left side in the cylinder body, a telescopic shaft is fixed on the piston II and the piston III, one end of the telescopic shaft penetrates through and extends to one side of the mounting seat, the interior of the cylinder body is divided into three air cavities by a first piston and a piston, and three air inlet and outlet ports are arranged on the cylinder body and are respectively communicated with the three air cavities, this novel cylinder, simple structure, it is easy and simple to handle, can control the intermediate position of flexible volume with the extensible member, provide convenience for people.

Description

Novel air cylinder

Technical Field

The utility model relates to the technical field of cylinders, in particular to a novel cylinder.

Background

The existing cylinder comprises a cylinder body, a piston and a piston rod, wherein the piston is arranged in the cylinder body, the piston rod is fixedly connected with the piston, a first air hole and a second air hole are formed in two ends of a cylinder cavity in the cylinder body respectively, and the piston is pressed to realize the expansion and contraction of a cylinder shaft through the air inlet and outlet, so that the piston rod cannot be kept at the middle position of the expansion and contraction amount in the existing cylinder, and the requirement of people cannot be met.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the existing defects, provides a novel air cylinder which is simple in structure and easy and convenient to operate, can control a telescopic piece to be in the middle position of the telescopic amount, provides convenience for people, and can effectively solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a novel cylinder, includes the cylinder body, the one end of cylinder body is fixed with the back lid, the other end of cylinder body is fixed with the mount pad, and the inside of cylinder body is boss column structure to the inside right side sliding connection of cylinder body has the piston of boss column structure one, and the inside of piston one is equipped with sliding connection's piston two, and piston two also is boss column structure, the inside left side of cylinder body is equipped with sliding connection's piston three, piston two and piston three are fixed with the telescopic shaft, the one end of telescopic shaft runs through and extends to one side of mount pad, and the inside of cylinder body is divided into three air cavity by piston one and piston three to be equipped with three business turn over gas port on the cylinder body, three business turn over gas port communicates with each other with three air cavity respectively.

Furthermore, the cylinder body and the junction of the rear cover and the mounting seat are both provided with sealing gaskets, and the rear cover, the mounting seat and the cylinder body are installed more tightly through the sealing gaskets.

Furthermore, two annular grooves are formed in the inner side of the joint of the mounting seat and the telescopic shaft, a first wear-resisting ring and a first sealing ring are respectively arranged in the two annular grooves, and the telescopic shaft is connected with the mounting seat more tightly through the first wear-resisting ring and the first sealing ring.

Furthermore, two annular grooves are formed in the outer sides of the first piston, the second piston and the third piston, and a second wear-resisting ring and a second sealing ring are arranged in the two annular grooves respectively.

Furthermore, one end of the telescopic shaft, which is connected with the second piston and the third piston, is of a step-shaped structure, the second piston and the third piston are sleeved outside the telescopic shaft, and the second piston and the third piston are fixed at one end of the telescopic shaft through a bolt.

Furthermore, a stop block is fixed on the outer side of the telescopic shaft through a countersunk bolt.

Compared with the prior art, the utility model has the beneficial effects that: can drive flexible axial right side through piston three and piston one when aerifing to left air cavity inside and remove, with this messenger's device shortens, can drive flexible axial left side through piston one and piston two when aerifing to the air cavity on right side and remove, extend to the device with this, make piston one remove the low order end when aerifing to middle air cavity inside, simultaneously remove through piston two and piston three-dimensional left side, make piston two to the inside leftmost end of piston one, with this intermediate position of guaranteeing flexible volume of telescopic shaft and keeping whole flexible volume, this novel cylinder, moreover, the steam generator is simple in structure, and is easy and simple to handle, can be with the intermediate position of flexible volume of extensible member control, provide convenience for people.

Drawings

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

FIG. 2 is a schematic cross-sectional view of the present invention.

In the figure: 1 cylinder body, 2 back lids, 3 mount pads, 4 pistons one, 5 pistons two, 6 pistons three, 7 telescopic shafts, 8 business turn over gas ports, 9 dogs.

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.

Referring to fig. 1-2, the present invention provides a technical solution: a novel air cylinder comprises a cylinder body 1, wherein a rear cover 2 is fixed at one end of the cylinder body 1, a mounting seat 3 is fixed at the other end of the cylinder body 1, the inside of the cylinder body 1 is of a boss-shaped structure, a first piston 4 of the boss-shaped structure is connected to the right side of the inside of the cylinder body 1 in a sliding manner, a second piston 5 of the sliding connection is arranged inside the first piston 4, the second piston 5 is also of the boss-shaped structure, a third piston 6 of the sliding connection is arranged on the left side of the inside of the cylinder body 1, a telescopic shaft 7 is fixed on the second piston 5 and the third piston 6, one end of the telescopic shaft 7 penetrates through and extends to one side of the mounting seat 3, the inside of the cylinder body 1 is divided into three air cavities by the first piston 4 and the third piston 6, three air inlet and outlet ports 8 are formed in the cylinder body 1, the three air inlet and outlet ports 8 are respectively communicated with the three air cavities, sealing gaskets are arranged at the joints of the cylinder body 1, the rear cover 2 and the mounting seat 3, and the rear cover 2 are tightly installed between the cylinder body 1, two annular grooves are arranged at the inner side of the joint of the mounting seat 3 and the telescopic shaft 7, a first wear-resistant ring and a first sealing ring are respectively arranged inside the two annular grooves, the telescopic shaft 7 is connected with the mounting seat 3 more tightly through the first wear-resistant ring and the first sealing ring, two annular grooves are respectively arranged on the outer sides of the first piston 4, the second piston 5 and the third piston 6, the second wear-resistant ring and the second sealing ring are respectively arranged in the two annular grooves, one end of the telescopic shaft 7, which is connected with the second piston 5 and the third piston 6, is of a step-shaped structure, the second piston 5 and the third piston 6 are sleeved on the outer side of the telescopic shaft 7, one end of the telescopic shaft 7 fixes the second piston 5 and the third piston 6 through bolts, the outer side of the telescopic shaft 7 is fixed with a stop block 9 through a countersunk bolt, this novel cylinder, simple structure, it is easy and simple to handle, can control the intermediate position of flexible volume with the extensible member, provide convenience for people.

When in use: make through sealed the pad make back lid 2 and mount pad 3 and cylinder body 1 between the installation inseparabler, make telescopic shaft 7 and mount pad 3 be connected inseparabler through wear ring one and sealing ring one, can drive telescopic shaft 7 and move to the right side through piston three 6 and piston one 4 when aerifing to left air cavity inside, with this messenger's device shortens, can drive telescopic shaft 7 and move to the left side through piston one 4 and piston two 5 when aerifing to the air cavity inside of right side, extend the device with this, make piston one 4 move to the rightmost end when aerifing through to middle air cavity inside, move to the left side through piston two 5 and piston three 6 simultaneously, make piston two 5 to the leftmost end of piston one 4 inside, with this intermediate position of guaranteeing telescopic shaft 7 flexible volume to keep whole flexible volume.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model.

Claims

1. A novel cylinder, includes cylinder body (1), its characterized in that: a rear cover (2) is fixed at one end of the cylinder body (1), a mounting seat (3) is fixed at the other end of the cylinder body (1), the interior of the cylinder body (1) is of a boss-shaped structure, and the right side in the cylinder body (1) is connected with a piston I (4) with a boss-shaped structure in a sliding way, a second piston (5) which is connected in a sliding way is arranged inside the first piston (4), the second piston (5) is also in a boss-shaped structure, a third piston (6) which is connected in a sliding way is arranged at the left side in the cylinder body (1), a telescopic shaft (7) is fixed on the second piston (5) and the third piston (6), one end of the telescopic shaft (7) penetrates through and extends to one side of the mounting seat (3), the interior of the cylinder body (1) is divided into three air cavities by a first piston (4) and a third piston (6), and three air inlet and outlet ports (8) are arranged on the cylinder body (1), and the three air inlet and outlet ports (8) are respectively communicated with the three air cavities.

2. The new cylinder as claimed in claim 1, wherein: the cylinder body (1) is provided with a sealing gasket at the joint of the rear cover (2) and the mounting seat (3).

3. The novel cylinder of claim 1, wherein: two annular grooves are formed in the inner side of the joint of the mounting seat (3) and the telescopic shaft (7), and a first wear-resistant ring and a first sealing ring are arranged in the two annular grooves respectively.

4. The new cylinder as claimed in claim 1, wherein: the outer sides of the first piston (4), the second piston (5) and the third piston (6) are respectively provided with two annular grooves, and the interiors of the two annular grooves are respectively provided with a second wear-resistant ring and a second sealing ring.

5. The new cylinder as claimed in claim 1, wherein: one end of the telescopic shaft (7) connected with the second piston (5) and the third piston (6) is of a step-shaped structure, the second piston (5) and the third piston (6) are sleeved on the outer side of the telescopic shaft (7), and one end of the telescopic shaft (7) fixes the second piston (5) and the third piston (6) through bolts.

6. The new cylinder as claimed in claim 1, wherein: and a stop block (9) is fixed on the outer side of the telescopic shaft (7) through a countersunk bolt.