CN216111140U

CN216111140U - Double-acting continuous reciprocating hydraulic pressure supply device

Info

Publication number: CN216111140U
Application number: CN202122373199.0U
Authority: CN
Inventors: 王国辉; 王超杰; 李森; 陈静; 王艳艳
Original assignee: Jin Xin Abrasive Co ltd
Current assignee: Jin Xin Abrasive Co ltd
Priority date: 2021-09-29
Filing date: 2021-09-29
Publication date: 2022-03-22
Anticipated expiration: 2031-09-29

Abstract

The utility model discloses a double-acting continuous reciprocating hydraulic pressure supply device, which comprises a piston cylinder with a closed port, a hydraulic cylinder, an oil storage tank, an oil guide tank and an output pipe, wherein the output pipe is connected with the oil outlet end of the oil guide tank; a plurality of partition plates are uniformly arranged in the piston cylinder, the piston cylinder is divided into a plurality of cavities by the partition plates, and pistons are arranged in the cavities; a piston rod is arranged in the piston cylinder, and the telescopic end of the piston rod hydraulic cylinder is connected; the piston rod is connected with the partition plate and the piston cylinder in a sliding manner, and the piston rod is fixedly connected with the piston; both ends of one side of the cavity are connected with oil inlet pipes, and both ends of the other side of the cavity are connected with oil outlet pipes; the oil inlet pipes are provided with first one-way valves, and the tail ends of the oil inlet pipes extend into the oil storage tank; the oil outlet pipes are provided with second one-way valves, and the tail ends of the oil outlet pipes are connected with the oil guide box; the utility model has the reciprocating type two-way compression oil supply structure, realizes continuous pressure supply, avoids the clearance that the pressure of the reciprocating type pressure supply device is zero, and has simple structure, safety and reliability.

Description

Double-acting continuous reciprocating hydraulic pressure supply device

Technical Field

The utility model belongs to the technical field of hydraulic pressure supply equipment, and particularly relates to a double-acting continuous reciprocating type hydraulic pressure supply device.

Background

The hydraulic pressure supply device utilizes the reciprocating motion of the piston to output oil and pressure, but in the process of the bidirectional motion of the piston, only one direction moves the compression oil to realize pressure supply, the other direction moves to be used for extracting the oil, the pressure supply device outputs the oil and the pressure to be zero in the process of extracting the oil, a gap with zero output pressure is formed, and the efficiency is lower in the pressure supply process.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a double-acting continuous reciprocating hydraulic pressure supply device which is provided with a reciprocating bidirectional compression oil supply structure, realizes continuous pressure supply, avoids a gap with zero pressure of the reciprocating pressure supply device, and is simple in structure, safe and reliable.

In order to achieve the purpose, the utility model provides the following technical scheme: a double-acting continuous reciprocating hydraulic pressure supply device comprises a piston cylinder with a closed port, a hydraulic cylinder, an oil storage tank, an oil guide tank and an output pipe, wherein the output pipe is connected to the oil outlet end of the oil guide tank; a plurality of partition plates are uniformly arranged in the piston cylinder, the piston cylinder is divided into a plurality of closed cavities with equal volume and mutually independent cavities by the partition plates, and pistons are arranged in the cavities; a piston rod is arranged in the piston cylinder, and one end of the piston rod penetrates through the side wall of the piston cylinder and is connected with the telescopic end of the hydraulic cylinder; the piston rod penetrates through the partition plate and the piston, the piston rod is in sliding connection with the partition plate and the piston cylinder, and the piston rod is fixedly connected with the piston; both ends of one side of the cavity are connected with an oil inlet pipe, and both ends of the other side of the cavity are connected with an oil outlet pipe; the oil inlet pipes are provided with first one-way valves, and the tail ends of the oil inlet pipes extend into the oil storage tank; the oil outlet pipe is provided with a second one-way valve, and the tail end of the oil outlet pipe is connected with the oil guide box.

Preferably, the hydraulic cylinder drives the piston rod to reciprocate; and sealing rings are arranged at the sliding connection parts of the piston cylinder, the partition plate and the piston rod.

Preferably, the first check valve and the second check valve are spring-type check valves.

Preferably, all be provided with the limiting plate in the middle part of the lateral wall about in the cavity, the pipe diameter that advances oil pipe and go out oil pipe is the same, and the thickness of limiting plate is not less than the radius that advances oil pipe, has the clearance between the limiting plate outer fringe and the circumference lateral wall of piston cylinder.

Preferably, the number of the partition plates is at least one, and the number of the cavities is at least two.

Preferably, a return pipe is connected between the oil storage tank and the oil guide tank, and a valve is installed on the return pipe.

Compared with the prior art, the utility model has the following beneficial effects:

the utility model has the reciprocating type two-way compression oil supply structure, continuously absorbs oil and continuously supplies oil, realizes continuous pressure supply, avoids a gap with zero pressure of the reciprocating type pressure supply device, improves the pressure supply efficiency, and has simple structure, safety and reliability.

Drawings

FIG. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic structural view of a first check valve of the present invention.

In the figure: 1. the piston comprises a piston cylinder, 2, a hydraulic cylinder, 3, an oil storage tank, 4, an oil guide tank, 5, an output pipe, 6, a partition plate, 7, a cavity, 8, a piston, 9, a piston rod, 10, an oil inlet pipe, 11, a first one-way valve, 12, an oil outlet pipe, 13, a second one-way valve, 14, a limiting plate, 15, a return pipe, 16 and a valve.

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.

In the description of the present invention, it is to be understood that the terms "middle", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

Referring to fig. 1-2, the present embodiment provides a double-acting continuous reciprocating hydraulic pressure supply device, which includes a piston cylinder 1 with a closed port, a hydraulic cylinder 2, an oil storage tank 3, an oil guide tank 4 and an output pipe 5, wherein the output pipe 5 is connected to an oil outlet end of the oil guide tank 4; a plurality of partition plates 6 are uniformly arranged in the piston cylinder 1, the piston cylinder 1 is divided into a plurality of closed cavities 7 which are equal in volume and mutually independent by the partition plates 6, and pistons 8 are arranged in the cavities 7; a piston rod 9 is arranged in the piston cylinder 1, and one end of the piston rod 9 penetrates through the side wall of the piston cylinder 1 and is connected with the telescopic end of the hydraulic cylinder 2; the piston rod 9 penetrates through the partition plate 6 and the piston 8, the piston rod 9 is in sliding connection with the partition plate 6 and the piston cylinder 1, and the piston rod 9 is fixedly connected with the piston 8; both ends of one side of the cavity 7 are connected with an oil inlet pipe 10, and both ends of the other side of the cavity are connected with an oil outlet pipe 12; the oil inlet pipes 10 are all provided with a first one-way valve 11, and the tail ends of the oil inlet pipes 10 all extend into the oil storage tank 3; the oil outlet pipes 12 are all provided with second one-way valves 13, and the tail ends of the oil outlet pipes 12 are all connected with the oil guide box 4.

In this embodiment, the hydraulic cylinder 2 drives the piston rod 9 to reciprocate; sealing rings are arranged at the sliding connection positions of the piston cylinder 1, the partition plate 6 and the piston rod 9.

In this embodiment, the first check valve 11 and the second check valve 13 are both spring-type check valves. The first check valve 11 ensures the unidirectional flow of the oil in the oil inlet pipe 10, and the second check valve 13 ensures the unidirectional flow of the oil in the oil outlet pipe 12, so as to avoid the backflow of the oil.

In this embodiment, all be provided with limiting plate 14 in the lateral wall middle part about in cavity 7, the pipe diameter that advances oil pipe 10 and go out oil pipe 12 is the same, and limiting plate 14's thickness is not less than the radius that advances oil pipe 10, has the clearance between limiting plate 14 outer fringe and the circumference lateral wall of piston barrel 1.

In this embodiment, the number of the partition plates 6 is at least one, and the number of the cavities 7 is at least two.

In this embodiment, a return pipe 15 is connected between the oil storage tank 3 and the oil guide tank 4, and a valve 16 is installed on the return pipe 15. After the hydraulic cylinder 2 is used, the hydraulic cylinder 2 stops working, and the valve 16 is opened, so that the oil in the oil guide box 4 and the oil output by the output pipe 5 flow back. The valve 16 is a speed regulating valve, so that the flow rate of return oil is controllable.

The working principle of the utility model is as follows: the pneumatic cylinder 2 drives the piston rod 9 to reciprocate, the piston rod 9 drives the piston 8 in each cavity 7 to reciprocate, when the piston 8 is located at the left end of the cavity 7 and moves rightwards, the left side of the piston 8 in the cavity 7 forms vacuum suction, oil in the oil storage tank 3 is sucked through the left end oil inlet pipe 10, and meanwhile, the piston 8 presses the oil on the right side of the piston 8 to the oil guide tank 4 through the right end oil outlet pipe 12. When piston 8 moved to cavity 7 right-hand member, fluid was full of piston 8 left side, piston rod 9 drove piston 8 and moved left, piston 8 compression left side fluid, make fluid go out oil pipe 12 direction through the left end and lead oil tank 4, at this in-process, 8 right sides of piston form vacuum suction in the cavity 7, advance oil pipe 10 through the right-hand member and inhale full oil, the reciprocal continuous oil absorption of circulation and oil extraction, oil absorption and oil extraction go on simultaneously, continuous to lead oil tank 4 supply fluid to oil tank, the fluid of leading oil tank 4 passes through output tube 5 and constantly exports fluid, provide delivery pressure.

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

Claims

1. The utility model provides a two effect reciprocating type hydraulic pressure supply pressure device in succession, includes that the port is airtight piston cylinder, pneumatic cylinder, batch oil tank, leads oil tank and output tube, its characterized in that: the output pipe is connected to the oil outlet end of the oil guide tank; a plurality of partition plates are uniformly arranged in the piston cylinder, the piston cylinder is divided into a plurality of closed cavities with equal volume and mutually independent cavities by the partition plates, and pistons are arranged in the cavities; a piston rod is arranged in the piston cylinder, and one end of the piston rod penetrates through the side wall of the piston cylinder and is connected with the telescopic end of the hydraulic cylinder; the piston rod penetrates through the partition plate and the piston, the piston rod is in sliding connection with the partition plate and the piston cylinder, and the piston rod is fixedly connected with the piston; both ends of one side of the cavity are connected with an oil inlet pipe, and both ends of the other side of the cavity are connected with an oil outlet pipe; the oil inlet pipes are provided with first one-way valves, and the tail ends of the oil inlet pipes extend into the oil storage tank; the oil outlet pipe is provided with a second one-way valve, and the tail end of the oil outlet pipe is connected with the oil guide box.

2. A double acting continuously reciprocating hydraulic pressure supply apparatus as claimed in claim 1, wherein: the hydraulic cylinder drives the piston rod to move in a reciprocating manner; and sealing rings are arranged at the sliding connection parts of the piston cylinder, the partition plate and the piston rod.

3. A double acting continuously reciprocating hydraulic pressure supply apparatus as claimed in claim 2, wherein: the first check valve and the second check valve are spring-type check valves.

4. A double acting continuously reciprocating hydraulic pressure supply apparatus as claimed in claim 3, wherein: the limiting plate is arranged in the middle of the left side wall and the right side wall in the cavity, the pipe diameters of the oil inlet pipe and the oil outlet pipe are the same, the thickness of the limiting plate is not smaller than the radius of the oil inlet pipe, and a gap is formed between the outer edge of the limiting plate and the circumferential side wall of the piston cylinder.

5. A double acting continuously reciprocating hydraulic pressure supply apparatus as claimed in claim 4, wherein: the number of the partition plates is at least one, and the number of the cavities is at least two.

6. A double acting continuously reciprocating hydraulic pressure supply apparatus as claimed in claim 5, wherein: and a return pipe is connected between the oil storage tank and the oil guide tank, and a valve is installed on the return pipe.