CN214196821U

CN214196821U - Telescopic rotary hydraulic cylinder

Info

Publication number: CN214196821U
Application number: CN202022009629.6U
Authority: CN
Inventors: 李钢; 鲁海石; 陈素娟; 宛锐
Original assignee: Shandong Jitai Machinery Co ltd
Current assignee: Shandong Jitai Machinery Co ltd
Priority date: 2020-09-15
Filing date: 2020-09-15
Publication date: 2021-09-14
Anticipated expiration: 2030-09-15

Abstract

The utility model discloses a flexible rotation type pneumatic cylinder, including the pneumatic cylinder main part, be equipped with the cylinder in the pneumatic cylinder main part, and be equipped with the piston in the cylinder, both ends are equipped with cylinder cap and cylinder bottom respectively about the pneumatic cylinder main part, and install the sealing washer in the cylinder cap, the cylinder bottom lower extreme is connected with the connecting plate to the connecting plate lower extreme is equipped with the fixed sleeve, the fixed sleeve lower extreme is connected with the mount pad, and installs rotary driving mechanism in the fixed sleeve to rotary driving mechanism wherein one side has the connecting axle through the coupling joint, both ends are connected with piston rod and lead screw respectively about the piston, and the piston below still is equipped with the rotation regulation seat. This flexible rotation type pneumatic cylinder can rotate through the lead screw of piston lower extreme and the cooperation of rotation regulation seat, and the cylinder of pneumatic cylinder can also rotate at connecting plate and rotary driving mechanism's cooperation simultaneously, makes things convenient for the whole rotation regulation of pneumatic cylinder, and the high efficiency of the pneumatic cylinder of being convenient for is used.

Description

Telescopic rotary hydraulic cylinder

Technical Field

The utility model relates to a pneumatic cylinder technical field specifically is a flexible rotation type pneumatic cylinder.

Background

The hydraulic cylinder is a hydraulic actuator which converts hydraulic energy into mechanical energy and performs linear reciprocating motion (or swinging motion). It has simple structure and reliable operation. When it is used to implement reciprocating motion, it can omit speed-reducing device, and has no transmission gap, and its motion is stable, so that it can be extensively used in various mechanical hydraulic systems. The hydraulic cylinder is basically composed of a cylinder barrel and a cylinder cover, a piston and a piston rod, a sealing device, a buffering device and an exhaust device.

The existing hydraulic cylinder can be adjusted in a telescopic mode and can also be adjusted in a rotating mode, but when the hydraulic cylinder is adjusted in a rotating mode, the piston rod can only be rotated generally, or the hydraulic cylinder can only be integrally rotated, the hydraulic cylinder cannot be adjusted in a rotating mode according to actual needs, and the hydraulic cylinder is inconvenient to use efficiently.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a flexible rotation type pneumatic cylinder to solve the present market pneumatic cylinder that the above-mentioned background art provided and when carrying out rotation regulation, generally only can rotate the piston rod, perhaps only can wholly rotate the pneumatic cylinder, can not make the pneumatic cylinder carry out rotation regulation according to actual need, the problem that the pneumatic cylinder efficient of being not convenient for used.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a flexible rotation type pneumatic cylinder, includes the pneumatic cylinder main part, be equipped with the cylinder in the pneumatic cylinder main part, and be equipped with the piston in the cylinder, both ends are equipped with cylinder cap and cylinder bottom respectively about the pneumatic cylinder main part, and install the sealing washer in the cylinder cap, the cylinder bottom lower extreme is connected with the connecting plate to the connecting plate lower extreme is equipped with the fixed sleeve, the fixed sleeve lower extreme is connected with the mount pad, and installs rotary driving mechanism in the fixed sleeve to rotary driving mechanism wherein one side has the connecting axle through the coupling joint, both ends are connected with piston rod and lead screw respectively about the piston, and still are equipped with the rotation regulation seat below the piston.

Preferably, the length of the piston rod is equal to that of the screw rod, and the piston rod and the screw rod are fixedly connected with the piston through bolts.

Preferably, the cylinder barrel is connected with the rotary adjusting seat in a clamping and sealing mode.

Preferably, the connecting plate and the connecting shaft are fixedly connected through a bolt, and the connecting plate is movably connected with the fixed sleeve.

Preferably, a cylindrical thread groove is formed in the rotary adjusting seat, and the rotary adjusting seat is movably connected with the screw rod through a thread structure.

Preferably, the height of the rotary adjusting seat is longer than the length of the filament rod.

Compared with the prior art, the beneficial effects of the utility model are that: this flexible rotation type pneumatic cylinder can rotate through the lead screw of piston lower extreme and the cooperation of rotation regulation seat, and the cylinder of pneumatic cylinder can also rotate at connecting plate and rotary driving mechanism's cooperation simultaneously, makes things convenient for the whole rotation regulation of pneumatic cylinder, and the high efficiency of the pneumatic cylinder of being convenient for is used. Sealing connection between this flexible rotation type pneumatic cylinder's rotation regulation seat and the cylinder can make the pneumatic cylinder normally carry out the flexible work of piston rod, and the length of lead screw length is the same with the length of piston rod simultaneously, makes the piston rod can be at the maximum rotation that stretches out and draws back under the cooperation of lead screw and rotation regulation seat, the use of the pneumatic cylinder of being convenient for.

Drawings

FIG. 1 is a schematic view of a telescopic rotary hydraulic cylinder according to the present invention;

FIG. 2 is a schematic view of a connection structure between a screw rod and a rotary adjustment seat of the telescopic rotary hydraulic cylinder of the present invention;

fig. 3 is the utility model relates to a contraction structure schematic diagram of flexible rotary hydraulic cylinder.

In the figure: 1. the hydraulic cylinder comprises a hydraulic cylinder body, 2, a piston rod, 3, a cylinder cover, 4, a cylinder barrel, 5, a piston, 6, a cylinder bottom, 7, a connecting plate, 8, a fixing sleeve, 9, a rotary driving mechanism, 10, a sealing ring, 11, a screw rod, 12, a rotary adjusting seat, 13, a connecting shaft, 14 and a mounting seat.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a telescopic rotary hydraulic cylinder comprises a hydraulic cylinder main body 1, a cylinder barrel 4 is arranged on the hydraulic cylinder main body 1, a piston 5 is arranged in the cylinder barrel 4, a cylinder cover 3 and a cylinder bottom 6 are respectively arranged at the upper end and the lower end of the hydraulic cylinder main body 1, a sealing ring 10 is arranged in the cylinder cover 3, a connecting plate 7 is connected at the lower end of the cylinder bottom 6, a fixing sleeve 8 is arranged at the lower end of the connecting plate 7, the connecting plate 7 is fixedly connected with a connecting shaft 13 through a bolt, and the connecting plate 7 is movably connected with the fixing sleeve 8, so that the rotary driving mechanism 9 in the fixing sleeve 8 can drive the connecting shaft 13 to drive the connecting plate 7 to rotate, the whole hydraulic cylinder main body 1 can conveniently rotate, the fixing sleeve 8 plays a role in protecting the rotary driving mechanism 9, the lower end of the fixing sleeve 8 is connected with a mounting seat 14, a rotary driving mechanism 9 is arranged in the fixing sleeve 8, and the rotary driving mechanism 9 is an existing motor driving mechanism, and one side of the rotary driving mechanism 9 is connected with a connecting shaft 13 through a coupler, the upper end and the lower end of the piston 5 are respectively connected with a piston rod 2 and a lead screw 11, the lengths of the piston rod 2 and the lead screw 11 are equal, and the piston rod 2 and the lead screw 11 are both fixedly connected with the piston 5 through bolts, the structure enables the piston rod 2 to be rotated under the matching of the lead screw 11 and a rotary adjusting seat 12, so that the piston rod 2 can rotate in the telescopic moving process, the rotary adjusting seat 12 is further arranged below the piston 5, the cylinder 4 is connected with the rotary adjusting seat 12 through clamping and sealing, the structure enables the fixing of the rotary adjusting seat 12 not to damage a sealing structure in the cylinder 4, so that the piston 5 can normally move through the control of oil pressure of the hydraulic cylinder body 1, a cylindrical thread groove is formed in the rotary adjusting seat 12, and the rotary adjusting seat 12 is movably connected with the lead screw 11 through a thread structure, when this structure makes piston 5 drive lead screw 11 remove, lead screw 11 can rotate under the effect of rotation regulation seat 12 to make piston 5 also can rotate, and then make piston rod 2 rotatory at flexible in-process, make things convenient for the high-efficient use of pneumatic cylinder main part 1, the length that highly is longer than lead screw 11 of rotation regulation seat 12, this structure makes lead screw 11 have one end distance to be in rotation regulation seat 12 all the time, makes things convenient for the rotary motion of lead screw 11 on rotation regulation seat 12.

The working principle is as follows: when the telescopic rotary hydraulic cylinder is used, firstly, the hydraulic cylinder body 1 is installed and fixed through the installation seat 14, the piston 5 is moved in the cylinder barrel 4 by the hydraulic cylinder body 1 through controlling the oil pressure on two sides of the piston 5, so that the piston rod 2 extends out of the cylinder cover 3 to be telescopically adjusted, the sealing ring 10 plays a sealing role, when the piston 5 moves in the cylinder barrel 4, the screw rod 11 on the other side of the piston 5 moves along with the movement of the piston 5, and when the screw rod 11 moves, the screw rod rotates through the thread of the rotary adjusting seat 12, so as to drive the piston 5 and the piston rod 2 to rotate, so that the hydraulic cylinder body 1 telescopically rotates through the piston rod 2, when the rotary adjustment of the screw rod 11 and the rotary adjusting seat 12 can not achieve the purpose, the cylinder barrel 4 can be controlled to rotate through the rotary driving mechanism 9 which is connected and fixed below the hydraulic cylinder body 1 through the connecting plate 7, the connecting shaft 13 plays a role in connecting the rotary driving mechanism 9 with the cylinder bottom 6, and the fixed sleeve 8 plays a role in protecting the rotary driving mechanism 9, so that the hydraulic cylinder body 1 can be efficiently adjusted in a telescopic and rotary mode, and a series of work can be completed.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a flexible rotation type pneumatic cylinder, includes pneumatic cylinder main part (1), be equipped with cylinder (4) on pneumatic cylinder main part (1), and be equipped with piston (5), its characterized in that in cylinder (4): pneumatic cylinder main part (1) upper and lower both ends are equipped with cylinder cap (3) and cylinder end (6) respectively, and install sealing washer (10) in cylinder cap (3), cylinder end (6) lower extreme is connected with connecting plate (7) to connecting plate (7) lower extreme is equipped with fixed sleeve (8), fixed sleeve (8) lower extreme is connected with mount pad (14), and installs rotary driving mechanism (9) in fixed sleeve (8) to rotary driving mechanism (9) wherein one side has connecting axle (13) through the coupling joint, both ends are connected with piston rod (2) and lead screw (11) respectively about piston (5), and piston (5) below still is equipped with rotation regulation seat (12).

2. A telescopic rotary hydraulic cylinder according to claim 1, characterized in that: the length of the piston rod (2) is equal to that of the screw rod (11), and the piston rod (2) and the screw rod (11) are fixedly connected with the piston (5) through bolts.

3. A telescopic rotary hydraulic cylinder according to claim 1, characterized in that: the cylinder barrel (4) is connected with the rotary adjusting seat (12) in a clamping and sealing manner.

4. A telescopic rotary hydraulic cylinder according to claim 1, characterized in that: the connecting plate (7) is fixedly connected with the connecting shaft (13) through bolts, and the connecting plate (7) is movably connected with the fixed sleeve (8).

5. A telescopic rotary hydraulic cylinder according to claim 1, characterized in that: a cylindrical thread groove is formed in the rotary adjusting seat (12), and the rotary adjusting seat (12) is movably connected with the screw rod (11) through a thread structure.

6. A telescopic rotary hydraulic cylinder according to claim 1, characterized in that: the height of the rotary adjusting seat (12) is longer than the length of the screw rod (11).