CN210949354U

CN210949354U - High-pressure telescopic rotary hydraulic cylinder

Info

Publication number: CN210949354U
Application number: CN201921999984.3U
Authority: CN
Inventors: 唐国红
Original assignee: Wuxi Aosailin Hydraulic Technology Co ltd
Current assignee: Wuxi Aosailin Hydraulic Technology Co ltd
Priority date: 2019-11-19
Filing date: 2019-11-19
Publication date: 2020-07-07
Anticipated expiration: 2029-11-19

Abstract

The utility model provides a high-pressure telescopic rotary hydraulic cylinder, which comprises a positioning seat, a dustproof ring, a piston rod, a spiral groove, a left guide block, a right guide block, a piston seat, a sealing ring and a bearing, wherein the piston rod is attached to the annular side surface in the cylinder body, the spiral groove is arranged on the annular side surface of the piston rod, the piston seat is attached to the lower end surface of the piston rod, the sealing ring is clamped on the annular side surface of the piston seat, the bearing is clamped on the upper end surface of the piston seat, the positioning seat is welded on the upper end surface of the fixing sleeve, the dustproof ring is clamped on the upper end surface of the positioning seat, the left guide block is welded, this design has solved original pneumatic cylinder and has not possessed rotation function when flexible, and application range is low, and the practicality remains the problem that improves, the utility model discloses rational in infrastructure makes the pneumatic cylinder possess rotation function when flexible, has improved the pneumatic cylinder application range.

Description

High-pressure telescopic rotary hydraulic cylinder

Technical Field

The utility model relates to a flexible rotation type pneumatic cylinder of high pressure type belongs to pneumatic cylinder technical field.

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 output force of the hydraulic cylinder is in direct proportion to the effective area of the piston and the pressure difference between the two sides of the effective area; 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 only do telescopic linear motion, the use range of the hydraulic cylinder is greatly limited, the traditional solution is to add other hydraulic equipment for auxiliary rotation, the structure of the hydraulic cylinder is complex, the use cost is high, the practicability is required to be improved, and a high-pressure telescopic rotary hydraulic cylinder is urgently needed to solve the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a flexible rotation type pneumatic cylinder of high pressure type to solve the problem that proposes in the above-mentioned background art, the utility model discloses rational in infrastructure makes the pneumatic cylinder possess rotation function when flexible, has improved the pneumatic cylinder application range.

In order to achieve the above purpose, the present invention is realized by the following technical solution: a high-pressure telescopic rotary hydraulic cylinder comprises a cylinder body, a fixing sleeve, a telescopic rotary mechanism, a top plate, an oil outlet, an oil inlet, a base and a connecting ring, wherein the telescopic rotary mechanism is arranged on the upper side inside the cylinder body, the base is welded on the lower end face of the cylinder body, the connecting ring is welded on the lower end face of the base, the oil outlet is formed in the left side of the annular side face of the cylinder body, the oil inlet is formed in the lower side of the oil outlet, the fixing sleeve is welded on the upper side of the annular side face of the cylinder body, the top plate is welded on the upper side of the fixing sleeve, the telescopic rotary mechanism comprises a positioning seat, a dust ring, a piston rod, a spiral groove, a left guide block, a right guide block, a piston seat, a sealing ring and a, the bearing is clamped on the upper end face of the piston seat, the positioning seat is welded on the upper end face of the fixing sleeve, the dustproof ring is clamped on the upper end face of the positioning seat, the left side of the inner annular side face of the positioning seat is welded with the left guide block, and the right side of the inner annular side face of the positioning seat is welded with the right guide block.

Further, the left guide block and the right guide block are matched with the spiral groove.

Further, a cavity is formed in the cylinder body, the cavity is matched with the piston rod, and a sealing check ring is installed on the upper end face of the cylinder body.

Furthermore, the oil outlet and the oil inlet are connected with external hydraulic equipment through external pressure-resistant hoses.

Further, the fixed sleeve is connected and fixed with the cylinder body in a welding mode.

Further, the connecting ring is of a circular structure.

The utility model has the advantages that: the utility model discloses a flexible rotation type pneumatic cylinder of high pressure type, because of the utility model discloses added positioning seat, dust ring, piston rod, spiral groove, left guide block, right guide block, piston seat, sealing washer and bearing, this design makes the pneumatic cylinder possess the rotation function when flexible, has solved original pneumatic cylinder and has not possessed the rotation function when flexible, and application range is low, and the practicality remains the problem that improves, has improved the utility model discloses a flexible rotatory effect.

Because of the inside chamber of going of having seted up of cylinder body, the chamber of going and piston rod phase-match, sealing ring is installed to the cylinder body up end, and the chamber of going makes things convenient for the piston rod to stretch out and draw back, and sealing ring has improved the sealed effect of cylinder body, is connected fixedly through welding mode and cylinder body because of fixed cover, and this design has improved and has connected the fixity between fixed cover and the cylinder body, and because of the go-between is circular structure, this design makes things convenient for the go-between to be connected with external mounting, the utility model discloses rational in infrastructure makes the pneumatic cylinder possess rotation function.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

fig. 1 is a schematic structural view of a high-pressure type telescopic rotary hydraulic cylinder of the present invention;

fig. 2 is a schematic structural view of a telescopic rotary mechanism in a high-pressure type telescopic rotary hydraulic cylinder of the present invention;

fig. 3 is a front sectional view of a telescopic rotary mechanism in the high-pressure type telescopic rotary hydraulic cylinder of the present invention;

FIG. 4 is an enlarged view of A in FIG. 3;

in the figure: 1-cylinder body, 2-fixed sleeve, 3-telescopic rotating mechanism, 4-top plate, 5-oil outlet, 6-oil inlet, 7-base, 8-connecting ring, 31-positioning seat, 32-dust ring, 33-piston rod, 34-spiral groove, 35-left guide block, 36-right guide block, 37-piston seat, 38-sealing ring and 39-bearing.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

Referring to fig. 1-4, the present invention provides a technical solution: the utility model provides a flexible rotation type pneumatic cylinder of high pressure type, including cylinder body 1, fixed cover 2, flexible rotary mechanism 3, roof 4, the oil-out 5, oil inlet 6, base 7 and go-between 8, 1 inside upside of cylinder body is provided with flexible rotary mechanism 3, the terminal surface welding has base 7 under the cylinder body 1, the terminal surface welding has go-between 8 under the base 7, oil-out 5 has been seted up on 1 annular side left side of cylinder body, oil inlet 6 has been seted up to 5 downside of oil-out, the side welding of 1 annular side of cylinder body has fixed cover 2, the side welding.

The telescopic rotating mechanism 3 comprises a positioning seat 31, a dustproof ring 32, a piston rod 33, a spiral groove 34, a left guide block 35, a right guide block 36, a piston seat 37, a sealing ring 38 and a bearing 39, the piston rod 33 is attached to the inner annular side surface of the cylinder body 1, the spiral groove 34 is formed in the annular side surface of the piston rod 33, the piston seat 37 is attached to the lower end surface of the piston rod 33, the sealing ring 38 is clamped on the annular side surface of the piston seat 37, the bearing 39 is clamped on the upper end surface of the piston seat 37, the positioning seat 31 is welded on the upper end surface of the fixed sleeve 2, the dustproof ring 32 is clamped on the upper end surface of the positioning seat 31, the left guide block 35 is welded on the left side of the annular side surface of the positioning seat 31, and the right guide block 36 is welded on the right side of the annular side surface.

Left guide block 35 and right guide block 36 and spiral groove 34 phase-match, this design has improved left guide block 35 and the 36 guide ability of right guide block, the chamber of going has been seted up to cylinder body 1 is inside, the chamber of going is with piston rod 33 phase-match, sealing ring is installed to 1 up end of cylinder body, it makes things convenient for piston rod 33 flexible to go the chamber, sealing ring has improved the sealed effect of cylinder body 1, oil-out 5 and oil inlet 6 are all connected with external hydraulic equipment through external withstand voltage hose, this design makes things convenient for 1 inside oil feed of cylinder body and produces oil with this to extrude piston seat 37, fixed cover 2 is connected fixedly through welding mode and cylinder body 1, this design has improved the fixity of being connected between fixed cover 2 and the cylinder body 1, go-between 8 is circular structure, this design makes things convenient for go-between.

As an embodiment of the present invention: firstly, the oil outlet 5 and the oil inlet 6 are connected with external hydraulic equipment through an external pressure-resistant hose, the top plate 4 and the connecting ring 8 are fixed at an external designated position, then the fixing sleeve 2 is fixed on the upper end surface of the cylinder body 1 in a welding mode, when the external hydraulic equipment works, hydraulic oil can enter the inner cavity of the cylinder body 1 through the oil inlet 6, the piston seat 37 is extruded to further enable the piston rod 33 to move towards the upper side, because the annular side surface of the piston rod 33 is provided with the spiral groove 34, the left guide block 35 and the right guide block 36 can be meshed with the spiral groove 34 when the piston rod 33 moves towards the upper side, so that the piston rod 33 rotates when moving, the bearing 39 improves the rotation stability of the piston rod 33, the sealing ring 38 and the sealing check ring prevent the hydraulic oil from flowing out of the cylinder body.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a flexible rotation type pneumatic cylinder of high pressure type, includes cylinder body, fixed cover, flexible rotary mechanism, roof, oil-out, oil inlet, base and go-between, its characterized in that: the upper side in the cylinder body is provided with a telescopic rotating mechanism, the lower end face of the cylinder body is welded with a base, the lower end face of the base is welded with a connecting ring, the left side of the annular side face of the cylinder body is provided with an oil outlet, the lower side of the oil outlet is provided with an oil inlet, the upper side of the annular side face of the cylinder body is welded with a fixed sleeve, and the upper side of the;

the telescopic rotating mechanism comprises a positioning seat, a dustproof ring, a piston rod, a spiral groove, a left guide block, a right guide block, a piston seat, a sealing ring and a bearing, wherein the annular side surface of the cylinder body is laminated with the piston rod, the annular side surface of the piston rod is provided with the spiral groove, the lower end surface of the piston rod is laminated with the piston seat, the annular side surface of the piston seat is clamped with the sealing ring, the bearing is clamped on the upper end surface of the piston seat, the positioning seat is welded on the upper end surface of the fixing sleeve, the dustproof ring is clamped on the upper end surface of the positioning seat, the left guide block is welded on the left side of the annular side surface in.

2. A high-pressure type telescopic rotary hydraulic cylinder according to claim 1, characterized in that: the left guide block and the right guide block are matched with the spiral groove.

3. A high-pressure type telescopic rotary hydraulic cylinder according to claim 1, characterized in that: a cavity is formed in the cylinder body, the cavity is matched with the piston rod, and a sealing check ring is installed on the upper end face of the cylinder body.

4. A high-pressure type telescopic rotary hydraulic cylinder according to claim 1, characterized in that: the oil outlet and the oil inlet are both connected with external hydraulic equipment through an external pressure-resistant hose.

5. A high-pressure type telescopic rotary hydraulic cylinder according to claim 1, characterized in that: the fixed sleeve is connected and fixed with the cylinder body in a welding mode.

6. A high-pressure type telescopic rotary hydraulic cylinder according to claim 1, characterized in that: the connecting ring is of a circular structure.