CN216044745U

CN216044745U - Balance oil cylinder

Info

Publication number: CN216044745U
Application number: CN202122551392.9U
Authority: CN
Inventors: 胡振辉
Original assignee: Hubei Taibode Intelligent Equipment Co ltd
Current assignee: Hubei Taibode Intelligent Equipment Co ltd
Priority date: 2021-10-22
Filing date: 2021-10-22
Publication date: 2022-03-15
Anticipated expiration: 2031-10-22

Abstract

The utility model discloses a balance oil cylinder, which comprises: the cylinder component comprises a hollow cylindrical cylinder barrel with an open end, a hollow cylindrical guide sleeve and a hollow cylindrical cylinder cover, wherein the hollow cylindrical guide sleeve is arranged at the open end of the cylinder barrel and communicated left and right, the hollow cylindrical guide sleeve is in threaded connection with the left side of the cylinder barrel, the two ends of the hollow cylindrical cylinder cover are communicated oppositely, the inner diameter of the cylinder cover is smaller than that of the guide sleeve, and a positioning hole is formed in the cylinder cover; the piston assembly comprises a piston rod which penetrates through the cylinder cover and the guide sleeve and can slide in the inner cavities of the cylinder cover and the guide sleeve, and a balance piston which is arranged on the piston rod and can slide in the inner cavity of the cylinder body, wherein the outer diameter of the balance piston is larger than the inner diameter of the guide sleeve; according to the utility model, the piston assembly is arranged in the cylinder barrel, the guide sleeve is sleeved at the open end of the cylinder barrel, then the cylinder cover is in threaded connection with the cylinder barrel, and then the dustproof cover is arranged, so that the assembly form can be completed.

Description

Balance oil cylinder

Technical Field

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

Background

The hydraulic cylinder is a device with a wide application range, takes hydraulic oil as a working medium, transmits motion through the change of a sealed volume, transmits power through the pressure in the hydraulic oil, can convert hydraulic energy into mechanical energy, and performs linear reciprocating motion or swinging motion. Hydraulic cylinders are generally composed of a piston rod, a cylinder body, a piston, and a sealing system. Hydraulic technology is the pioneer of the mechanical revolution, and hydraulic cylinders are increasingly combined with electronic technology as actuators of hydraulic systems. When the hydraulic cylinder works, the hydraulic pressure difference in the cylinder is large, the pressure on the cylinder body is large, and the piston needs to bear huge pressure at any time. And its telescopic link of balanced hydro-cylinder exposes and is infected with the dust easily externally, influences the internal environment of cylinder body, and the complicated inconvenient dismantlement of prior art's hydro-cylinder structure is maintained, therefore we provide a balanced hydro-cylinder.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a balance oil cylinder, which solves the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: a balancing cylinder, comprising:

the cylinder component comprises a hollow cylindrical cylinder barrel with an open end, a hollow cylindrical guide sleeve and a hollow cylindrical cylinder cover, wherein the hollow cylindrical guide sleeve is arranged at the open end of the cylinder barrel and communicated left and right, the hollow cylindrical guide sleeve is in threaded connection with the left side of the cylinder barrel, the two ends of the hollow cylindrical cylinder cover are communicated oppositely, the inner diameter of the cylinder cover is smaller than that of the guide sleeve, and a positioning hole is formed in the cylinder cover;

the piston assembly comprises a piston rod which penetrates through the cylinder cover and the guide sleeve and can slide in the inner cavities of the cylinder cover and the guide sleeve, and a balance piston which is arranged on the piston rod and can slide in the inner cavity of the cylinder body, wherein the outer diameter of the balance piston is larger than the inner diameter of the guide sleeve.

Preferably, the piston rod is movably arranged in the dust cover, and the dust cover is arranged on the cylinder cover, and the piston rod can move in the dust cover.

Preferably, the cylinder barrel further comprises a fixing block, the fixing block is arranged on the side wall of the cylinder barrel, and two oval fixing holes are symmetrically formed in the fixing block.

Preferably, the dust cover is provided with the locating piece with the cylinder cap contact surface, the cylinder cap corresponds the dust cover one side and is provided with the locating hole corresponding with the locating piece, and locating piece and locating hole correspond the joint.

Preferably, the positioning blocks and the positioning holes are distributed in an annular matrix, and the annular matrix and the cylinder barrel are coaxially arranged.

Preferably, the dust cover is correspondingly screwed and fixed with the cylinder cover through four bolts.

Preferably, the bottom of cylinder is provided with the oil feed through-hole, the open end lateral wall of cylinder is provided with the oil feed head that communicates with the cylinder inner chamber.

Compared with the prior art, the utility model has the following beneficial effects: the piston assembly is arranged in the cylinder barrel, the guide sleeve is sleeved at the open end of the cylinder barrel, the cylinder cover is in threaded connection with the cylinder barrel, and then the dustproof cover is arranged, so that the assembly mode can be completed, and the structure is simple and convenient to install, disassemble and maintain; the dust cover is arranged on the cylinder cover, the piston rod can move in the piston of the inner cavity seat of the dust cover, and the dust cover forms a sealing structure to improve the sealing performance of the device.

Drawings

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

FIG. 1 is a side sectional view of the present invention;

FIG. 2 is an installation view of the present invention;

FIG. 3 is a block diagram of the cartridge assembly of the present invention;

FIG. 4 is a diagram of the piston assembly of the present invention;

FIG. 5 is a view of the dust cap assembly of the present invention.

In the figure: 100. the oil inlet structure comprises a cylinder component, 110, a cylinder barrel, 110a, a through hole, 110b, an oil inlet head, 120, a guide sleeve, 130, a cylinder cover, 130a, a positioning hole, 200, a piston component, 210, a piston rod, 220, a balance piston, 300, a dust cover, 300a, a positioning block, 400, a fixing block, 400a and a fixing hole.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the utility model easy to understand, the utility model is further described with the specific embodiments.

The utility model provides a balance oil cylinder which can be conveniently mounted, dismounted and maintained and can reduce maintenance.

Referring to fig. 1 to 5, which illustrate a structure of an embodiment of a balance cylinder according to the present invention, referring to fig. 1 to 5, a main body of the balance cylinder according to the present embodiment includes a cylinder assembly 100, a piston assembly 200, a dust cover 300, and a fixing block 400.

The cylinder assembly 100 is used for providing main body support, specifically, the cylinder assembly 100 includes a hollow cylindrical cylinder barrel 110 with an open end, a hollow cylindrical guide sleeve 120 installed at the open end of the cylinder barrel 110 and communicated with the left and right, and a hollow cylindrical cylinder cover 130 screwed on the left side of the cylinder barrel 110 and communicated with the two ends, the inner diameter of the cylinder cover 130 is smaller than that of the guide sleeve 120, a positioning hole 130a is formed in the cylinder cover 130, when the cylinder assembly is used, the guide sleeve 120 is installed at the open end of the cylinder barrel 110, and then the guide sleeve 120 is fixed and limited through the cylinder cover 130;

the piston assembly 200 is used for cooperating with a cylinder to form a piston structure, specifically, the piston assembly 200 includes a piston rod 210 penetrating through the cylinder cover 130 and the guide sleeve 120 and capable of sliding in the inner cavities of the cylinder cover 130 and the guide sleeve 120, and a balance piston 220 mounted on the piston rod 210 and capable of sliding in the inner cavity of the cylinder, wherein the outer diameter of the balance piston 220 is larger than the inner diameter of the guide sleeve 120, when in use, the piston rod 210 and the balance piston 220 are firstly combined and screwed together, and then the balance piston 220 is mounted in the cylinder assembly 100 to form the piston structure.

The dust cover 300 is used for protecting the piston assembly 200, specifically, the dust cover 300 is mounted on the cylinder head 130, and the piston rod 210 can move in a piston manner in an inner cavity of the dust cover 300, and a sealing structure is formed by the dust cover 300, so that the sealing performance of the device is improved.

The fixing block 400 is used for fixing the device, specifically, the fixing block 400 is arranged on the side wall of the cylinder 110, two oval fixing holes 400a are symmetrically arranged on the fixing block 400, and when the device is used, the device can be fixed and limited through the fixing holes 400a by using fixing bolts.

A positioning block 300a is arranged on the contact surface of the dust cover 300 and the cylinder cover 130, a positioning hole 130a corresponding to the positioning block 300a is arranged on the surface of the cylinder cover 130 corresponding to the dust cover 300, and the positioning block 300a is correspondingly clamped with the positioning hole 130a, so that the dust cover 300 can be initially positioned during installation; the positioning blocks 300a and the positioning holes 130a are distributed in an annular matrix, and the annular matrix and the cylinder barrel 110 are coaxially arranged, so that the dust cover 300 can be conveniently installed and centered, and the dust cover 300 is prevented from being installed and deviated to influence the work of the piston assembly 200; the dust cover 300 is correspondingly screwed and fixed with the cylinder cover 130 through four bolts, so that the dust cover 300 is convenient to mount; the bottom of the cylinder barrel 110 is provided with an oil inlet through hole 110a, the side wall of the opening end of the cylinder barrel 110 is provided with an oil inlet head 110b communicated with the inner cavity of the cylinder barrel 110, when the oil cylinder is used, the oil inlet through hole 110a and the oil inlet head 110b are respectively communicated with two oil paths, when the oil paths are unbalanced, two paths of oil respectively enter the two sides of the cylinder barrel 110 through the oil inlet through hole 110a and the oil inlet head 110b, and the balance piston 220 is pushed to move in the cylinder barrel 110 until the oil pressure is balanced.

The working principle is as follows: when the balance oil cylinder is used, firstly, the piston assembly 200 is installed, then, the piston assembly 200 is installed in the cylinder barrel 110, the guide sleeve 120 is sleeved at the open end of the cylinder barrel 110, then, the cylinder cover 130 is in threaded connection with the cylinder barrel 110, and then, the dust cover 300 is installed.

While there have been shown and described what are at present considered the fundamental principles and essential features of the utility model and its advantages, it will be apparent to those skilled in the art that the utility model is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model 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. A kind of balance cylinder, characterized by that, comprising:

the cylinder component (100) comprises a hollow cylindrical cylinder barrel (110) with one open end, a hollow cylindrical guide sleeve (120) which is arranged at the open end of the cylinder barrel (110) and communicated with the left and right, and a hollow cylindrical cylinder cover (130) which is screwed on the left side of the cylinder barrel (110) and communicated with the two opposite ends, wherein the inner diameter of the cylinder cover (130) is smaller than that of the guide sleeve (120), and a positioning hole (130a) is formed in the cylinder cover (130);

the piston assembly (200) comprises a piston rod (210) which penetrates through the cylinder cover (130) and the guide sleeve (120) and can slide in the inner cavities of the cylinder cover (130) and the guide sleeve (120), and a balance piston (220) which is installed on the piston rod (210) and can slide in the inner cavity of the cylinder body, wherein the outer diameter of the balance piston (220) is larger than the inner diameter of the guide sleeve (120).

2. The balance cylinder according to claim 1, further comprising a dust cover (300), wherein the dust cover (300) is mounted on the cylinder head (130), and the piston rod (210) is configured to be piston-movable in an inner cavity of the dust cover (300).

3. The balance oil cylinder as claimed in claim 2, further comprising a fixing block (400), wherein the fixing block (400) is disposed on a side wall of the cylinder (110), and two elliptical fixing holes (400a) are symmetrically disposed on the fixing block (400).

4. The balance oil cylinder according to claim 3, wherein a positioning block (300a) is arranged on a contact surface of the dust cover (300) and the cylinder cover (130), a positioning hole (130a) corresponding to the positioning block (300a) is arranged on a surface of the cylinder cover (130) corresponding to the dust cover (300), and the positioning block (300a) is correspondingly clamped with the positioning hole (130 a).

5. The balancing cylinder according to claim 4, characterized in that the positioning blocks (300a) and the positioning holes (130a) are distributed in an annular matrix, and the annular matrix is coaxial with the cylinder barrel (110).

6. The balance cylinder according to claim 5, wherein the dust cover (300) is screwed and fixed with the cylinder head (130) by four bolts.

7. The balance oil cylinder as claimed in claim 6, wherein an oil inlet through hole (110a) is formed in the bottom of the cylinder barrel (110), and an oil inlet (110b) communicated with the inner cavity of the cylinder barrel (110) is formed in the side wall of the opening end of the cylinder barrel (110).