CN216345331U

CN216345331U - Lubricating oil tank and engineering machinery

Info

Publication number: CN216345331U
Application number: CN202122433063.4U
Authority: CN
Inventors: 刘鹏飞
Original assignee: Sany Petroleum Intelligent Equipment Co Ltd
Current assignee: Sany Petroleum Intelligent Equipment Co Ltd
Priority date: 2021-09-28
Filing date: 2021-09-28
Publication date: 2022-04-19
Anticipated expiration: 2031-09-28

Abstract

The utility model relates to the technical field of engineering machinery, in particular to a lubricating oil tank and engineering machinery. The lubricating oil tank comprises a tank body, an electromagnetic valve and an air filter, wherein a breathing port is formed in the tank body, a first port of the electromagnetic valve is connected with the breathing port, a second port of the electromagnetic valve is connected with the air filter, and a valve core of the electromagnetic valve is suitable for reversing to communicate the breathing port with the air filter or seal the breathing port. Through having seted up the mouth of breathing on the box to realize breathing the mouth through the solenoid valve and being connected with air cleaner, when breathing mouth and air cleaner through the solenoid valve intercommunication, on the one hand to the box flow out the oil gas of environment and filter, avoid causing environmental pollution, on the other hand makes box and external environment intercommunication, makes the gas pressure in the box can not change along with the change of liquid level, reduces the resistance of lubricating oil return. When the solenoid valve will breathe the mouth and seal, seal the box, avoid revealing, avoid the waste of lubricating oil.

Description

Lubricating oil tank and engineering machinery

Technical Field

The utility model relates to the technical field of engineering machinery, in particular to a lubricating oil tank and engineering machinery.

Background

In a construction machine, a closed structure is generally adopted for a lubricating oil tank, but during construction of the construction machine, the return of lubricating oil may reduce the gas space in the lubricating oil tank, increase the pressure in the lubricating oil tank, and increase the oil return resistance. However, if the oil tank is opened, the oil will overflow from the oil tank, which results in loss of oil on the one hand and environmental pollution on the other hand.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to solving at least one of the above-mentioned problems.

In order to solve the problems, the utility model provides a lubricating oil tank which comprises a tank body, an electromagnetic valve and an air filter, wherein a breathing port is formed in the tank body, a first port of the electromagnetic valve is connected with the breathing port, a second port of the electromagnetic valve is connected with the air filter, and a valve core of the electromagnetic valve is suitable for reversing to communicate the breathing port with the air filter or seal the breathing port.

Optionally, the solenoid valve is a two-position two-way solenoid valve.

Optionally, the lubricating oil tank further comprises a breathing pipe, the breathing pipe is connected with the breathing port, a first thread structure is arranged on the breathing pipe, and a second thread structure matched with the first thread structure is arranged at the first port of the electromagnetic valve.

Optionally, a third thread structure is formed at the second port of the electromagnetic valve, and a fourth thread structure matched with the third thread structure is formed on the air cleaner.

Optionally, the electromagnetic valve is suitable for reversing to close the breathing port when the engineering machinery runs; the electromagnetic valve is suitable for reversing when the engineering machinery is in construction so as to communicate the breathing port with the air filter.

Optionally, the box includes case body, flange and apron, an opening has been seted up on the case body, flange encircles the opening sets up, flange's axial both ends respectively with the case body with the apron is connected, breathe the mouth and set up in on the apron.

Optionally, the opening is provided on an upper end plate of the box body, the connecting flange is connected with an outer wall of the upper end plate, the first port is located at a lower end of the electromagnetic valve, and the second port is located at an upper end of the electromagnetic valve.

Optionally, the lubricating oil tank further comprises an oil suction filter, an oil suction port is formed in the tank body, and the oil suction filter is mounted at the oil suction port.

Optionally, an oil return port is formed in the box body, and an oil return pipe is installed at the oil return port.

Compared with the prior art, the lubricating oil tank has the beneficial effects that:

according to the utility model, the box body is provided with the breathing port, the connection between the breathing port and the air filter is realized through the electromagnetic valve, when the breathing port and the air filter are communicated through the electromagnetic valve, on one hand, oil gas flowing out of the box body to the environment can be filtered, so that the environmental pollution is avoided, on the other hand, the box body can be communicated with the external environment, so that the gas pressure in the box body cannot be changed along with the change of the liquid level, and the resistance of lubricating oil return can be reduced. When the solenoid valve will when breathing the mouth and sealing, can be right the box seals, avoids revealing, avoids the waste of lubricating oil.

The utility model also provides engineering machinery comprising the lubricating oil tank. The beneficial effects of the engineering machinery and the lubricating oil tank are the same, and are not described again here.

Drawings

Fig. 1 is a side view of a lubricating oil tank in an embodiment of the utility model;

FIG. 2 is a schematic view of an installation structure of an air cleaner in an embodiment of the present invention;

FIG. 3 is an enlarged view of a portion of the present invention at A in FIG. 2;

fig. 4 is a front view of a lubricating oil tank in the embodiment of the utility model;

fig. 5 is an isometric view of a lubricant tank in an embodiment of the utility model;

fig. 6 is a partial enlarged view of the present invention at B in fig. 5.

Description of reference numerals:

1-box body, 2-air filter, 3-electromagnetic valve, 4-oil suction filter, 5-oil return pipe, 6-bolt, 11-box body, 12-connecting flange, 13-cover plate, 14-breathing pipe and 21-connecting pipe.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the description herein, references to the terms "an embodiment," "one embodiment," and "one implementation," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or implementation is included in at least one embodiment or example implementation of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or implementation. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or implementations.

Also, in the drawings, the Z-axis represents a vertical direction, that is, an up-down direction, and a positive direction of the Z-axis (that is, an arrow direction of the Z-axis) represents an up direction, and a negative direction of the Z-axis (that is, a direction opposite to the positive direction of the Z-axis) represents a down direction; in the drawings, the X-axis indicates the front-rear direction, and the positive direction of the X-axis (i.e., the arrow direction of the X-axis) indicates the rear, and the negative direction of the X-axis (i.e., the direction opposite to the positive direction of the X-axis) indicates the front; in the drawings, the Y-axis represents the left-right direction, and the positive direction of the Y-axis (i.e., the arrow direction of the Y-axis) represents the right, and the negative direction of the Y-axis (i.e., the direction opposite to the positive direction of the Y-axis) represents the left; it should also be noted that the foregoing Z-axis, Y-axis, and X-axis representations are merely intended to facilitate the description of the utility model and to simplify the description, and are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and are not to be construed as limiting the utility model.

The embodiment of the utility model provides a lubricating oil tank, which comprises a tank body 1, an electromagnetic valve 3 and an air filter 2, wherein a breathing port is formed in the tank body 1, a first port of the electromagnetic valve 3 is connected with the breathing port, a second port of the electromagnetic valve 3 is connected with the air filter 2, and a valve core of the electromagnetic valve 3 is suitable for reversing to communicate the breathing port with the air filter 2 or seal the breathing port, as shown in fig. 1 to 5.

It should be noted that a filter element is arranged in the air filter 2, when a valve core of the electromagnetic valve 3 is reversed to communicate the breathing port with the air filter 2, if the liquid level in the box body 1 rises, the gas in the box body 1 is discharged through the breathing port, and is discharged into the environment after passing through the filter element in the air filter 2; if the liquid level in the tank 1 drops, the ambient air passes through the filter element in the air cleaner 2 and then enters the tank 1 through the breathing port. When the valve core of the electromagnetic valve 3 is reversed to seal the breathing port, the gas in the box body 1 cannot flow out to the environment, and the gas in the environment cannot enter the box body 1. Here, the electromagnetic valve 3 may be a two-position two-way electromagnetic valve, or may be another type of electromagnetic valve, and only needs to be able to seal the breathing opening; the solenoid valve 3 may be a normally open or normally closed solenoid valve. Preferably, the electromagnetic valve 3 is a two-position two-way normally closed electromagnetic valve, so that the reversing speed is higher and the reversing is more reliable.

The electromagnetic valve 3 can be detachably connected with the box body 1, and can be specifically connected through bolt fastening connection, threaded connection or clamping connection, the electromagnetic valve 3 can be directly connected with the box body 1, and can also be connected with the box body 1 through an external support. The first port and the second port are two outlets of the solenoid valve respectively.

From this, through having seted up the mouth of breathing on the box 1, and through solenoid valve 3 realizes the mouth of breathing with air cleaner 2's connection, as through the solenoid valve intercommunication the mouth of breathing with during air cleaner 2, can filter the oil gas that box 1 flowed out the environment on the one hand, avoid causing environmental pollution, on the other hand can make box 1 and external environment intercommunication for the gas pressure in the box 1 can not change along with the change of liquid level, can reduce the resistance of lubricating oil return. When the solenoid valve 3 will when breathing the mouth and sealing, can be right box 1 seals, avoids revealing, avoids the waste of lubricating oil.

As shown in fig. 2 and 3, the lubricating oil tank further includes a breathing tube 14, the breathing tube 14 is connected to the breathing port, a first thread structure is provided on the breathing tube 14, and a second thread structure matched with the first thread structure is provided at the first port of the electromagnetic valve 3.

In one embodiment, the first thread formation is an external thread formation and the second thread formation is an internal thread formation, the first thread formation being in threaded connection with the second thread formation. In one embodiment, the first thread formation is an internal thread formation and the second thread formation is an external thread formation, the first thread formation being in threaded connection with the second thread formation. The breathing tube 14 may be integrally connected or welded to the housing 1. Therefore, the breathing pipe 14 is arranged at the breathing hole, the electromagnetic valve 3 is in threaded connection with the breathing pipe 14, and the electromagnetic valve 3 can be conveniently mounted and dismounted.

As shown in fig. 2 and 3, a third thread structure is formed at the second port of the electromagnetic valve 3, and a fourth thread structure matched with the third thread structure is formed on the air cleaner 2.

In one embodiment, the third thread formation is an external thread formation and the fourth thread formation is an internal thread formation, the third thread formation being in threaded connection with the fourth thread formation. In one embodiment, the third thread structure is an internal thread structure, the fourth thread structure is an external thread structure, a connecting pipe 21 is arranged on the air cleaner 2, the external thread structure is arranged on the connecting pipe 21, and the third thread structure is in threaded connection with the fourth thread structure. Thus, the air cleaner 2 can be easily mounted by screwing the air cleaner 2 to the solenoid valve 3.

In the embodiment, the electromagnetic valve 3 is suitable for reversing to close the breathing port when the engineering machinery runs; the electromagnetic valve 3 is suitable for reversing when the engineering machinery is in construction so as to communicate the breathing port with the air filter 2. In the process of traveling of engineering machinery, the oil surge in the oil tank vibrates, and the breathing port is closed at the moment, so that the oil can be prevented from flowing out through the breathing port. During construction of the engineering machinery, the air inside and outside the box body 1 is filtered and exchanged through the air filter 2, so that the purposes of air release and temperature reduction can be achieved.

As shown in fig. 3, the box body 1 includes a box body 11, a connecting flange 12 and a cover plate 13, an opening is opened on the box body 11, the connecting flange 12 surrounds the opening, two axial ends of the connecting flange 12 are respectively connected with the box body 11 and the cover plate 13, and the breathing opening is opened on the cover plate 13.

Here, case body 11 with flange 12 body coupling, flange 12 with the opening is coaxial to be set up, apron 13 with flange 12 phase-match, here, apron 13 is circular, apron 13 lid is located flange 12 department realizes right the closure of breathing mouth, be provided with an opening on the apron 13, the opening can with apron 13 is coaxial, breathing pipe 14 can with apron 13 body coupling, breathing pipe 14 connect in apron 13 is close to one side outside box 1. Preferably, a through hole may be formed in the cover plate 13, a threaded hole may be formed in the connecting flange 12, and a plurality of threaded holes are formed along the circumferential direction of the connecting flange 12, and the cover plate 13 is mounted on the connecting flange 12 by connecting bolts 6 with the threaded holes after penetrating through the through hole.

Preferably, as shown in fig. 5 and 6, the opening is opened on an upper end plate of the box body 11, the connecting flange 12 is connected with an outer wall of the upper end plate, the first port is located at a lower end of the solenoid valve 3, and the second port is located at an upper end of the solenoid valve 3. The upper end plate refers to an end plate of the box body 11 close to one end of the Z-axis forward direction in fig. 5, so that the box body 1 can support the electromagnetic valve 3 through the breathing tube 14, the electromagnetic valve 3 can also support the air filter 2, and the installation stability of the air filter 2 is improved.

As shown in fig. 2 and 5, the lubricating oil tank further includes an oil suction filter 4, an oil suction port is opened on the tank body 1, and the oil suction filter 4 is installed at the oil suction port. Here, the oil suction port is provided at a position of a sidewall of the case 1 near a bottom. Through set up the oil absorption filter in oil absorption mouth department, can be to the fluid that flows out the oil absorption mouth in the box 1 filters for the fluid that flows to the oil absorption pump is purer, also can avoid the existence of impurity in the fluid to lead to the damage of pump or the reduction of life-span. Here, the oil suction filter 4 is used for filtering impurities in the lubricating oil, and is not particularly limited as long as a filter structure capable of filtering impurities in the lubricating oil in the pipeline is suitable for the present embodiment.

As shown in fig. 2 and 5, an oil return opening is formed in the box body 1, an oil return pipe 5 is installed at the oil return opening, and the lubricating oil is returned to the box body 1 through the oil return pipe 5. Here, the oil return opening is disposed at a position where a side wall of the tank 1 is close to the bottom, and the oil return opening and the oil suction opening are respectively disposed at two opposite side walls of the tank 1.

Another embodiment of the utility model provides a working machine comprising the lubricating oil tank. The beneficial effects of the engineering machinery and the lubricating oil tank are the same, and are not described again here.

Although the present disclosure has been described above, the scope of the present disclosure is not limited thereto. Various changes and modifications may be effected therein by one of ordinary skill in the pertinent art without departing from the spirit and scope of the present disclosure, and these changes and modifications are intended to be within the scope of the present disclosure.

Claims

1. The lubricating oil tank is characterized by comprising a tank body (1), an electromagnetic valve (3) and an air filter (2), wherein a breathing port is formed in the tank body (1), a first port of the electromagnetic valve (3) is connected with the breathing port, a second port of the electromagnetic valve (3) is connected with the air filter (2), and a valve core of the electromagnetic valve (3) is suitable for reversing to communicate with the breathing port and the air filter (2) or the air filter is sealed with the breathing port.

2. The lubrication oil tank as recited in claim 1, characterized in that the solenoid valve (3) is a two-position two-way solenoid valve.

3. The lubricating oil tank of claim 1, further comprising a breathing tube (14), wherein the breathing tube (14) is connected with the breathing port, a first thread structure is arranged on the breathing tube (14), and a second thread structure matched with the first thread structure is arranged at the first port of the electromagnetic valve (3).

4. A lubricating oil tank according to any one of claims 1-3, characterised in that the second port of the solenoid valve (3) is provided with a third thread structure and the air cleaner (2) is provided with a fourth thread structure matching the third thread structure.

5. The lubrication oil tank as claimed in claim 1 or 2, characterized in that the solenoid valve (3) is adapted to be reversed to close the breathing port when the construction machine is running; the electromagnetic valve (3) is suitable for reversing when the engineering machinery is in construction so as to communicate the breathing port with the air filter (2).

6. The lubricating oil tank as claimed in claim 1 or 2, wherein the tank body (1) comprises a tank body (11), a connecting flange (12) and a cover plate (13), an opening is formed in the tank body (11), the connecting flange (12) is arranged around the opening, two axial ends of the connecting flange (12) are respectively connected with the tank body (11) and the cover plate (13), and the breathing port is formed in the cover plate (13).

7. The lubrication oil tank as recited in claim 6, wherein the opening is opened on an upper end plate of the tank body (11), the connection flange (12) is connected with an outer wall of the upper end plate, the first port is located at a lower end of the solenoid valve (3), and the second port is located at an upper end of the solenoid valve (3).

8. The lubricating oil tank as claimed in claim 1, further comprising an oil suction filter (4), wherein an oil suction port is opened on the tank body (1), and the oil suction filter (4) is installed at the oil suction port.

9. The lubricating oil tank as claimed in claim 1, wherein an oil return port is formed on the tank body (1), and an oil return pipe (5) is installed at the oil return port.

10. A working machine, characterized by comprising a lubricating oil tank as recited in any one of claims 1 to 9.