CN210371426U

CN210371426U - Oil cylinder of high-voltage diode high-voltage element device assembly

Info

Publication number: CN210371426U
Application number: CN201920439305.0U
Authority: CN
Inventors: 解锡放
Original assignee: Ganzhou Jinsheng Precision Machinery Co Ltd
Current assignee: Ganzhou Jinsheng Precision Machinery Co Ltd
Priority date: 2019-04-02
Filing date: 2019-04-02
Publication date: 2020-04-21
Anticipated expiration: 2029-04-02

Abstract

The utility model discloses a high-pressure diode high pressure first ware subassembly hydro-cylinder, the hydraulic cylinder comprises a cylinder barrel, install the piston rod in the cylinder barrel, the dust ring is installed to the one end of cylinder barrel, the position that is close to the piston rod in the cylinder barrel is installed main seal circle, and dust ring and main seal circle all cup joint on the piston rod, the one end welding that the piston rod is located the cylinder barrel has the pull rod, the pull rod is kept away from the one end of piston rod and is installed the piston, the piston main seal is installed to the position that corresponds the piston in the cylinder barrel, the cylinder bottom is installed to the one end of cylinder barrel, form the cushion oil pocket between piston. The utility model discloses a make sealed steel ball atress extrusion first spring, increase buffering oil duct can cushion size and stroke to adaptability to piston stroke speed is more obvious, makes the pressure that brings in the piston stroke process release, thereby cushions the piston, prevents that the piston from colliding the cylinder bottom, promotes the security of hydro-cylinder.

Description

Oil cylinder of high-voltage diode high-voltage element device assembly

Technical Field

The utility model relates to a subassembly hydro-cylinder technical field especially relates to a high-pressure diode high pressure first ware subassembly hydro-cylinder.

Background

The hydraulic cylinder is generally composed of main parts such as a rear end cover, a cylinder barrel, a piston rod, a piston assembly, a front end cover and the like, in order to prevent oil from leaking to the outside of the hydraulic cylinder or from a high-pressure cavity to a low-pressure cavity, sealing devices are arranged between the cylinder barrel and the end cover, between the piston and the piston rod, between the piston and the cylinder barrel, between the piston rod and the front end cover, and a dustproof device is arranged on the outer side of the front end cover;

in order to prevent the piston from quickly returning to the cylinder cover when in stroke terminal, the end part of the hydraulic cylinder still needs to have a buffering effect, and some existing oil cylinders are poor in buffering effect in order to save cost, so that the hydraulic cylinder cannot adapt to the requirements of different speed working conditions on buffering.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem that hydraulic cylinder buffer among the prior art is relatively poor in buffering effect, can't adapt to the requirement of different speed operating modes to the buffering, and the high-voltage diode high-pressure component ware hydro-cylinder that provides.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a high-pressure diode high pressure first ware subassembly hydro-cylinder, includes the cylinder, install the piston rod in the cylinder, the dust ring is installed to the one end of cylinder, the position that is close to the piston rod in the cylinder installs main seal circle, and dust ring and main seal circle all cup joint on the piston rod, the one end welding that the piston rod is located the cylinder has the pull rod, the pull rod is kept away from the one end of piston rod and is installed the piston, the piston main seal is installed to the position that corresponds the piston in the cylinder, the cylinder bottom is installed to the one end of cylinder, form the cushion oil pocket between piston and the cylinder bottom, form the hydro-cylinder cavity between piston and the piston rod, install buffer gear on the.

Preferably, the buffer mechanism includes buffering oil duct, sealed steel ball, first spring, slide bar and cushion socket, the buffering oil duct has been seted up to the cylinder bottom near the one end of cushion oil pocket, and the one end of buffering oil duct is linked together with cushion oil pocket, install sealed steel ball in the buffering oil duct, the slide bar is installed to the one end of sealed steel ball, cup joint first spring on the slide bar, the both ends of first spring weld respectively at the one end that sealed steel ball and cushion oil duct inner wall are close to each other, the cushion socket is installed to the position that is close to the slide bar in the cylinder bottom, and the cushion socket adopts the hollow design, the slide bar runs through to in the cushion socket.

Preferably, one end of the buffer oil passage, which is far away from the end communicated with the buffer oil cavity, is communicated with a recovery oil passage, and the recovery oil passage is located on the cylinder barrel.

Preferably, one end of the sliding rod penetrating into the buffer seat is welded with the pressure applying seat, one end of the pressure applying seat far away from the sliding rod is welded with the second spring, and the other end of the second spring is welded at the bottom end of the inner wall of the buffer seat.

Preferably, the diameter of the oil passage of the buffer oil passage at the end of the sealing steel ball close to the sliding rod is larger than that of the oil passage at the end of the sealing steel ball far away from the sliding rod.

Preferably, the recovery oil passage is communicated to the cylinder cavity.

Compared with the prior art, the utility model has the following benefits:

1. the utility model discloses a make sealed steel ball atress extrude first spring, increase the buffering size and the stroke of buffering oil duct, thereby the adaptability to piston stroke speed is more obvious, makes the pressure that brings in the piston stroke process release, thereby cushions the piston, prevents that the piston from colliding the cylinder bottom, promotes the security of hydro-cylinder;

2. through the first spring of sealed steel ball extrusion, the slide bar slides in the buffer seat, and the seat extrusion second spring of exerting pressure on the slide bar simultaneously makes the pressure in the oil circuit obtain double buffering for the overload pressure of hydraulic oil obtains the buffering release, and the buffering effect is more obvious, and the different speed of adaptation piston that can be better is to the requirement of buffering, thereby the safety of better protection hydro-cylinder.

Drawings

Fig. 1 is a structural diagram of an oil cylinder of a high-voltage diode high-voltage element assembly provided by the utility model;

fig. 2 is a schematic view of a buffer mechanism of a high-voltage diode high-voltage element assembly oil cylinder provided by the utility model;

fig. 3 is an enlarged view of a portion a of the high voltage diode high voltage element assembly oil cylinder provided by the present invention;

fig. 4 is the utility model provides an inside map of cushion socket of high-pressure diode high-pressure component ware hydro-cylinder.

In the figure: the oil cylinder comprises a cylinder barrel 1, a piston rod 2, a dust ring 3, a main sealing ring 4, a piston 5, a buffer oil cavity 6, a buffer oil duct 7, a cylinder bottom 8, a sealing steel ball 9, a first spring 10, a sliding rod 11, a buffer seat 12, a pressure applying seat 13, a second spring 14, a recovery oil duct 15 and an oil cylinder cavity 16.

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.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1-4, a high-voltage diode high-voltage element device component oil cylinder comprises a cylinder barrel 1, a piston rod 2 is arranged in the cylinder barrel 1, a dust ring 3 is arranged at one end of the cylinder barrel 1, a main sealing ring 4 is arranged in the cylinder barrel 1 and close to the piston rod 2, and dust ring 3 and main seal 4 all cup joint on piston rod 2, the one end welding that piston rod 2 is located in cylinder 1 has the pull rod, piston 5 is installed to the one end that the piston rod 2 was kept away from to the pull rod, the piston main seal is installed to the position that corresponds piston 5 in cylinder 1, cylinder bottom 8 is installed to the one end of cylinder 1, form buffer oil pocket 6 between piston 5 and the cylinder bottom 8, form hydro-cylinder cavity 16 between piston 5 and the piston rod 2, install buffer gear on the cylinder bottom 8, dust ring 3 and main seal 4 provide dustproof and sealed effect to piston rod 2, play sealed effect to piston 5 through the piston main seal.

The buffer mechanism comprises a buffer oil duct 7, a sealing steel ball 9, a first spring 10, a sliding rod 11 and a buffer seat 12, wherein the buffer oil duct 7 is arranged at one end, close to the buffer oil chamber 6, of the cylinder bottom 8, the sealing steel ball 9 is arranged in the buffer oil duct 7, the sliding rod 11 is arranged at one end of the sealing steel ball 9, the first spring 10 is sleeved on the sliding rod 11, two ends of the first spring 10 are respectively welded at one end, close to the inner wall of the sealing steel ball 9 and the inner wall of the buffer oil chamber 7, the buffer seat 12 is arranged at a position, close to the sliding rod 11, in the cylinder bottom 8, the buffer seat 12 is of a hollow design, the sliding rod 11 penetrates into the buffer seat 12, the first spring 10 is extruded through the sealing steel ball 9 in a stress mode, the sliding rod 11 slides in the buffer seat 12, and the pressure.

The end, far away from the buffer oil passage 7, of the buffer oil cavity 6 is communicated with a recovery oil passage 15, the recovery oil passage 15 is located on the cylinder barrel 1, the buffer stroke can be increased through the recovery oil passage 15, the buffer effect is improved, and meanwhile, hydraulic oil can be recovered. The sliding rod 11 penetrates through one end in the buffer seat 12 and is welded with the pressure applying seat 13, one end, far away from the sliding rod 11, of the pressure applying seat 13 is welded with the second spring 14, the other end of the second spring 14 is welded at the bottom end of the inner wall of the buffer seat 12, the pressure applying seat 13 is driven by the sliding rod 11 to extrude the second spring 14, and therefore the pressure buffering effect in the oil way is more obvious.

The diameter of the oil duct of the buffer oil duct 7, which is positioned at one end of the sealing steel ball 9 close to the sliding rod 11, is larger than that of the oil duct of the sealing steel ball 9 far away from the sliding rod 11, so that the sealing steel ball 9 is forced to extrude the first spring 10, the size of the buffer oil duct 7 is increased, and the overloaded pressure of the hydraulic oil is buffered and released. The recovery oil passage 15 is communicated to the cylinder cavity 16, so that the hydraulic oil can be recovered to the cylinder cavity 16.

When the utility model is used, when the piston 5 pushes the buffer oil cavity 6, the hydraulic oil in the buffer oil cavity 6 is pressurized and enters the buffer oil duct 7, and applies an acting force to the sealing steel ball 9, so that the sealing steel ball 9 is stressed to drive the slide rod 11 to slide, and simultaneously the first spring 10 is extruded, so that the pressure applied by the piston 5 can be buffered, and simultaneously, the slide rod 11 slides in the buffer seat 12 and drives the pressure application seat 13 to extrude the second spring 14, so that the pressure brought in the process of the stroke of the piston 5 can be further buffered, through the sliding of the sealing steel ball 9, the larger diameter end of the buffer oil duct 7 is opened, so that the hydraulic oil enters one side of the sealing steel ball 9 close to the slide rod 11, the buffer size of the oil cavity is promoted, the pressure of the oil duct is released simultaneously, the collision between the piston 5 and the cylinder bottom 8 is avoided, and the, the oil is recovered into the cylinder cavity 16 through the recovery oil passage 15, and when the piston 5 recovers, the sealing steel ball 9 is reset under the acting force of the first spring 10.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The high-voltage diode high-voltage element assembly oil cylinder comprises a cylinder barrel (1) and is characterized in that a piston rod (2) is installed in the cylinder barrel (1), a dust ring (3) is installed at one end of the cylinder barrel (1), a main sealing ring (4) is installed at a position, close to the piston rod (2), in the cylinder barrel (1), the dust ring (3) and the main sealing ring (4) are both sleeved on the piston rod (2), a pull rod is welded at one end, located in the cylinder barrel (1), of the piston rod (2), a piston (5) is installed at one end, far away from the piston rod (2), of the pull rod, a piston main seal is installed at a position, corresponding to the piston (5), in the cylinder barrel (1), a cylinder bottom (8) is installed at one end of the cylinder barrel (1), a buffer oil cavity (6) is formed between the piston (5) and the piston rod (2), and an oil cylinder cavity (16) is formed, and a buffer mechanism is arranged on the cylinder bottom (8).

2. The oil cylinder of the high-voltage diode high-voltage element assembly as claimed in claim 1, wherein the buffer mechanism comprises a buffer oil duct (7), a sealing steel ball (9), a first spring (10), a sliding rod (11) and a buffer seat (12), the buffer oil duct (7) is arranged at one end of the cylinder bottom (8) close to the buffer oil cavity (6), one end of the buffer oil duct (7) is communicated with the buffer oil cavity (6), the sealing steel ball (9) is arranged in the buffer oil duct (7), the sliding rod (11) is arranged at one end of the sealing steel ball (9), the first spring (10) is sleeved on the sliding rod (11), two ends of the first spring (10) are respectively welded at one end of the sealing steel ball (9) close to the inner wall of the buffer oil duct (7), the buffer seat (12) is arranged at a position of the cylinder bottom (8) close to the sliding rod (11), and the buffer seat (12) adopts a hollow design, and the sliding rod (11) penetrates into the buffer seat (12).

3. The high-voltage diode high-voltage element assembly oil cylinder as claimed in claim 2, wherein one end of the buffer oil passage (7) far away from the end communicated with the buffer oil cavity (6) is communicated with a recovery oil passage (15), and the recovery oil passage (15) is located on the cylinder barrel (1).

4. The oil cylinder of the high-voltage diode high-voltage element assembly as claimed in claim 2, wherein a pressure applying seat (13) is welded to one end of the sliding rod (11) penetrating into the buffer seat (12), a second spring (14) is welded to one end of the pressure applying seat (13) far away from the sliding rod (11), and the other end of the second spring (14) is welded to the bottom end of the inner wall of the buffer seat (12).

5. The oil cylinder of the high-voltage diode high-voltage element assembly as claimed in claim 2, wherein the diameter of the oil passage of the buffer oil passage (7) at the end of the sealing steel ball (9) close to the sliding rod (11) is larger than the diameter of the oil passage at the end of the sealing steel ball (9) far away from the sliding rod (11).

6. A high pressure diode high pressure element assembly cylinder according to claim 3, characterized in that the recovery oil passage (15) communicates into the cylinder cavity (16).