CN219827295U - Hydraulic oil tank and respirator thereof - Google Patents

Abstract

The utility model provides a hydraulic oil tank and a breather thereof, belonging to the technical field of hydraulic oil tanks, and comprising a breather shell, a breather joint, a one-way valve, a cotton net filter element and a drying agent; the respirator shell comprises a top plate, a bottom plate and side plates connected with the top plate and the bottom plate, and an interface and a one-way vent hole are arranged on the top plate; the respirator connector is arranged on the interface of the respirator shell; the one-way valve is arranged in the respirator joint; the multi-layered web cartridge and desiccant are mounted in the respirator shell. The hydraulic oil tank respirator adopts the check valve and the check vent to limit the unidirectional flow of gas, avoids the impurity adsorbed on the cotton net filter element to be blown back into the hydraulic oil tank as much as possible, sets up the cotton net filter element and the drier at intervals in the respirator shell, gives consideration to adsorption and drying, reduces the pollution of hydraulic oil, and prolongs the service life of hydraulic oil.

Description

Hydraulic oil tank and respirator thereof

Technical Field

The utility model belongs to the technical field of hydraulic oil tanks, and particularly discloses a hydraulic oil tank and a respirator thereof.

Background

When the hydraulic element works, oil in the hydraulic oil tank enters the hydraulic system to participate in the work, the liquid level can be rapidly reduced, negative pressure is formed in the tank, when the hydraulic element finishes working oil return, the liquid level can be rapidly increased, the hydraulic oil is increased through the circulating temperature, positive pressure is formed in the tank, the hydraulic oil tank is in a state of alternately positive pressure and negative pressure for a long time, the system is stopped or cannot work, and the hydraulic oil tank is seriously caused to form internal stress integrally so as to generate cracks and leak oil.

Therefore, a breather is generally arranged on the hydraulic oil tank to adjust the internal pressure of the oil tank, such as a breather of the hydraulic oil tank disclosed in patent CN 209430533U. However, the above-mentioned tank respirator still has the following technical problems:

1. the breathing holes are used as an air inlet hole and an air outlet hole at the same time, so that impurities adsorbed on the filter element are easy to be reversely blown back into the hydraulic oil tank, and the pollution of hydraulic oil is caused;

2. the hydraulic oil may return water in the hydraulic system to the hydraulic oil tank during the oil return process, for example, during the use process of the drilling machine, the motor is driven to operate by high-pressure water, and the water brought to the hydraulic oil tank cannot be effectively dried.

Disclosure of Invention

The utility model provides a hydraulic oil tank and a respirator thereof, which are used for solving the technical problems of the respirator of the hydraulic oil tank in the background art.

The hydraulic oil tank respirator comprises a respirator shell, a respirator joint, a one-way valve, a cotton net filter element and a drying agent; the respirator shell comprises a top plate, a bottom plate and side plates connected with the top plate and the bottom plate, and an interface and a one-way vent hole are arranged on the top plate; the respirator connector is arranged on the interface of the respirator shell; the one-way valve is arranged in the respirator joint; the multi-layered web cartridge and desiccant are mounted in the respirator shell.

Further, the hydraulic oil tank respirator also comprises a gas channel; the gas passage is mounted in the respirator shell, penetrates through the cotton net filter element and the drying agent, the top end of the gas passage is mounted on an interface of the respirator shell, and the bottom end of the gas passage is positioned in the drying agent at the bottommost layer.

Further, a filter screen is arranged in the gas channel.

Further, in the respirator shell, the mouthpiece is located at the center of the top plate, and the plurality of unidirectional ventilation holes are uniformly arranged around the mouthpiece.

The utility model also provides a hydraulic oil tank, which comprises a tank body, wherein two hydraulic oil tank respirators are arranged on the tank body and respectively used as an exhaust respirator and an air inlet respirator;

in the exhaust respirator, a respirator joint is connected with a box body, and gas in the box body is discharged out of the box body from a unidirectional vent hole through a unidirectional valve, a cotton net filter element and a drying agent;

in the air intake respirator, a respirator joint is connected with a box body, and the air outside the box body enters the box body from the respirator joint through a one-way vent hole, a cotton net filter element, a drying agent and a one-way valve.

The utility model has the following beneficial effects:

1. the unidirectional valve and the unidirectional vent hole are adopted to limit the unidirectional flow of the gas, so that impurities adsorbed on the cotton net filter element are prevented from being back blown into the hydraulic oil tank as much as possible, the pollution of hydraulic oil is reduced, and the service life of the hydraulic oil is prolonged;

2. the cotton net filter core and the drying agent are arranged in the respirator shell at intervals, adsorption and drying are considered, and the effect of reducing pollution of hydraulic oil can be achieved.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.

FIG. 1 is an exterior view of a hydraulic tank respirator;

FIG. 2 is a plan perspective view of a hydraulic tank respirator;

fig. 3 is a perspective view of a hydraulic tank respirator (gas passages not shown).

In the figure: 1-a respirator shell; 2-respirator connection; 3-a one-way valve; 4-cotton net filter element; 5-drying agent; 6-one-way vent holes; 7-gas passage.

Detailed Description

The following description of the embodiments of the present utility model will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the utility model are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Example 1

The embodiment provides a hydraulic oil tank respirator, which comprises a respirator shell 1, a respirator joint 2, a one-way valve 3, a cotton net filter element 4 and a drying agent 5; the respirator shell 1 comprises a top plate, a bottom plate and side plates connected with the top plate and the bottom plate, wherein an interface and a one-way vent hole 6 are arranged on the top plate; the respirator connector 2 is arranged on the interface of the respirator shell 1; the one-way valve 3 is arranged in the respirator joint 2; a multi-layered cotton filter element 4 and a desiccant 5 are mounted in the respirator shell 1.

Further, the hydraulic oil tank respirator also comprises a gas channel 7; the gas channel 7 is mounted in the respirator housing 1 through the web filter element 4 and the desiccant 5, with the top end mounted on the interface of the respirator housing 1 and the bottom end in the bottommost desiccant.

Further, a screen is provided in the gas passage 7.

Further, in the respirator housing 1, the mouthpiece is located at the center of the top plate, and the plurality of one-way ventilation holes 6 are uniformly arranged around the mouthpiece.

Example 2

The embodiment provides a hydraulic oil tank, which comprises a tank body, wherein two hydraulic oil tank respirators are arranged on the tank body, and the two hydraulic oil tank respirators are respectively used as an exhaust respirator and an air inlet respirator;

in the exhaust respirator, a respirator joint 2 is connected with a box body, gas in the box body is discharged out of the box body from the respirator joint 2 through a one-way valve 3, a cotton net filter element 4 and a drying agent 5 through a one-way vent hole 6, oil particles and impurities are absorbed through the cotton net filter element 4, the situation that the environment is polluted and the appearance of a hydraulic oil tank is influenced by the oil flowing out of the one-way vent hole 6 is avoided, and moisture brought by return oil is absorbed by the drying agent 5;

in the air intake respirator, a respirator joint 2 is connected with a box body, and the air outside the box body is filtered and dried through a one-way vent hole 6, a cotton net filter element 4 and a drying agent 5, and then enters the box body from the respirator joint 2 through a one-way valve 3.

Further, the hydraulic oil tank respirator also comprises a gas channel 7; the gas channel 7 is mounted in the respirator housing 1 through the web filter element 4 and the desiccant 5, with the top end mounted on the interface of the respirator housing 1 and the bottom end in the bottommost desiccant. The gas in the box body is forcedly filtered and dried layer by layer from the bottom-layer drying agent and then discharged; the gas outside the box body is filtered and dried downwards from the topmost layer and enters the box body; effectively improves the filtering and drying effects.

Further, a screen is provided in the gas passage 7. When the filter screen is used as an exhaust respirator, the aperture of the filter screen is larger than that of the cotton net filter element 4, so that impurities entering the cotton net filter element 4 are reduced, and the service time of the cotton net filter element 4 is prolonged. When the filter screen is used as an air inlet respirator, the aperture of the filter screen is smaller than that of the cotton net filter element 4, impurities are filtered further, and pollution to hydraulic oil in the box body is reduced.

In summary, the hydraulic oil tank breather solves the problem that the pressure of the hydraulic oil tank cannot be released; the water in the box body and the water outside the box body can be absorbed, so that the continuous use of hydraulic oil is greatly ensured; the use cost is reduced, and the use rate of the hydraulic oil tank is increased; the installation is simple and convenient, the cost is low, and the method can be suitable for the needs of companies of various scales.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the same; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the utility model.

Claims (5)

1. The hydraulic oil tank respirator is characterized by comprising a respirator shell, a respirator joint, a one-way valve, a cotton net filter element and a drying agent;

the respirator shell comprises a top plate, a bottom plate and side plates connected with the top plate and the bottom plate, and an interface and a one-way vent hole are arranged on the top plate;

the respirator connector is mounted on an interface of the respirator shell;

the one-way valve is arranged in the respirator joint;

the multi-layered web filter cartridge and desiccant are mounted in a respirator shell in spaced relation.

2. The hydraulic tank respirator of claim 1, further comprising a gas channel;

the gas passage is mounted in the respirator shell, penetrates through the cotton net filter element and the drying agent, the top end of the gas passage is mounted on an interface of the respirator shell, and the bottom end of the gas passage is positioned in the drying agent at the bottommost layer.

3. The hydraulic tank respirator of claim 2, wherein a screen is disposed in the gas passage.

4. A hydraulic tank respirator according to claim 3 wherein the mouthpiece is centrally located in the top plate in the respirator housing and the plurality of unidirectional ventilation holes are evenly disposed around the mouthpiece.

5. A hydraulic oil tank comprising a tank body, wherein two hydraulic oil tank respirators according to any one of claims 1 to 4 are mounted on the tank body, and the two hydraulic oil tank respirators are respectively used as an exhaust respirator and an intake respirator;

in the exhaust respirator, a respirator joint is connected with a box body, and gas in the box body is discharged out of the box body from a unidirectional vent hole through a unidirectional valve, a cotton net filter element and a drying agent;

in the air intake respirator, a respirator joint is connected with a box body, and the air outside the box body enters the box body from the respirator joint through a one-way vent hole, a cotton net filter element, a drying agent and a one-way valve.