CN214063414U - Oil tank with compensation function - Google Patents
Oil tank with compensation function Download PDFInfo
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- CN214063414U CN214063414U CN202022786165.XU CN202022786165U CN214063414U CN 214063414 U CN214063414 U CN 214063414U CN 202022786165 U CN202022786165 U CN 202022786165U CN 214063414 U CN214063414 U CN 214063414U
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Abstract
The utility model relates to an oil tank with compensation function, which comprises an oil tank body, wherein the oil tank body is provided with an oil inlet and an oil outlet and is connected with hydraulic equipment through an interface; the top of the oil tank body is provided with a compensation cylinder, and the inner cavity of the compensation cylinder is communicated with the cavity of the oil tank body; the compensation cylinder is provided with a sealing device. The sealing device is a compensation plunger; the compensation plunger is movably arranged in an inner cavity of the compensation barrel, and the bottom of the compensation plunger is attached to the top of a hydraulic oil level in the compensation barrel; the compensation plunger piston moves up and down in the inner cavity of the compensation cylinder body along with the change of the hydraulic oil level in the compensation cylinder body. The utility model has simple structure and can be obtained by properly reforming the prior oil tank; can effectually avoid impurity such as dust, air to enter into the hydraulic oil system in, can also stand in through the oil tank simultaneously, with the bubble discharge of sneaking into in the hydraulic oil system, improve oil quality.
Description
Technical Field
The utility model relates to an oil tank for hydraulic pressure electromechanical device.
Background
Most of oil tanks used by hydraulic electromechanical equipment in the current market are open type, and a few of hydraulic electromechanical equipment with high requirements are also provided with closed type oil tanks. Liquid level communicates with each other through air cleaner and outside in the open oil tank, and some slight pollution particles still can be through air cleaner filter screen entering fluid, and fluid contacts with the air for a long time simultaneously, all can lead to the hydraulic oil quality to worsen, shortens hydraulic oil life. Although the defects existing above the open type oil tank can be avoided by the common closed type oil tank at present, a folder or a flexible isolator needs to be added to the isolated type closed type oil tank, a low-pressure alarm and the like are matched with the isolated type closed type oil tank, and the inflatable type closed type oil tank also needs a safety valve, a pressure signal, an alarm and the like. Therefore, the closed oil tank has a complex structure and poor economical efficiency.
Therefore, in order to improve the reliability of the hydraulic oil in the hydraulic electromechanical device, it is necessary to improve the structure of the oil tank appropriately, so as to improve the safety, reliability and stability of the hydraulic electromechanical device.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an oil tank with compensation function improves current oil tank structure to air, impurity content in the hydraulic oil of hopeing for reducing improves the oil quality.
In order to achieve the purpose of the utility model, the oil tank with the compensation function is provided, which comprises an oil tank body, wherein the oil tank body is provided with an oil inlet and an oil outlet, and is connected with hydraulic equipment through an interface; the oil tank is characterized in that a compensation cylinder is arranged at the top of the oil tank body, and the inner cavity of the compensation cylinder is communicated with the cavity of the oil tank body;
the oil tank body is filled with hydraulic oil, and the hydraulic oil level rises into the compensation cylinder body;
the compensation cylinder is provided with a sealing device.
As a further improvement of the present invention, the sealing device is a compensation plunger;
the compensation plunger is movably arranged in an inner cavity of the compensation barrel, and the bottom of the compensation plunger is attached to the top of a hydraulic oil level in the compensation barrel;
the compensation plunger piston moves up and down in the inner cavity of the compensation cylinder body along with the change of the hydraulic oil level in the compensation cylinder body.
Furthermore, a sealing ring is arranged between the wall surface of the inner cavity of the compensation cylinder and the outer wall surface of the compensation plunger. And the sealing ring seals a gap between the outer wall of the compensation plunger and the inner cavity of the compensation cylinder.
Still further, the sealing washer is installed compensation barrel inner chamber wall face upper portion, the compensation plunger outer wall is in the circle of sealing washer reciprocates.
Still further, more than 2 sealing rings are arranged.
Still further, the outer wall of compensation plunger installs the sealing washer.
Furthermore, an exhaust valve is arranged on the compensation plunger, and the exhaust valve is communicated with a hydraulic oil storage chamber in the compensation cylinder.
Still further, the compensation plunger is of a barrel-shaped structure, the bottom of the compensation plunger is provided with a barrel bottom, and the exhaust valve is installed on the barrel bottom.
Furthermore, the bottom surface of the barrel bottom is conical, and the exhaust valve is arranged at the top of the cone; the generated bubbles are collected towards the top along the cone and discharged through the exhaust valve.
Further, the top of the compensation plunger extends outwards to form a cap peak.
The utility model discloses an oil tank with compensation function simple structure can carry out appropriate transformation to current oil tank and get.
The utility model discloses an in hydraulic system was used to oil tank with compensation function, can effectually avoid impurity such as dust, air to enter into hydraulic oil system, can also stew in through the oil tank simultaneously, with the bubble discharge of sneaking into in the hydraulic oil system, improve oil quality.
The utility model discloses oil tank with compensation function, simple structure has avoided the shortcoming that the form oil tank exists moreover, extension hydraulic oil life.
Drawings
Fig. 1 is a schematic view of the overall structure of the oil tank with compensation function of the present invention;
FIG. 2 is an internal view of the fuel tank with compensation function of the present invention;
FIG. 3 is a partial cross-sectional view of the fuel tank with compensation function according to the present invention in a use state;
reference numerals: the oil tank comprises an oil tank body 1, an oil inlet 11 and an oil outlet 12; the compensating cylinder 2 and the sealing ring 21;
a compensation plunger 3, a barrel bottom 31 and an exhaust valve 32.
Detailed Description
The following describes the embodiments of the present invention in further detail with reference to the accompanying drawings.
The oil tank with the compensation function of the utility model is applied as an oil storage tank of hydraulic equipment, and comprises an oil tank body 1 which is mainly used for storing hydraulic oil; an oil inlet 11 and an oil outlet 12 are arranged on the oil tank body 1 and are connected with hydraulic equipment through interfaces, so that the whole oil way is sealed, and external dust and impurities are prevented from entering the oil way.
The improvement of the utility model is that a compensation cylinder 2 is arranged at the top of the oil tank body 1, and the inner cavity of the compensation cylinder 2 is communicated with the cavity of the oil tank body 1; the utility model discloses during the use inject hydraulic oil in the oil tank body 1 to inject sufficient hydraulic oil, make the oil level of hydraulic oil rise to in the compensation barrel 2, through compensation barrel 2 is right hydraulic oil mass in the oil tank body 1 carries out real-time compensation.
Further, a compensation plunger 3 is installed in the compensation cylinder 2, the compensation plunger 3 is movably installed in an inner cavity of the compensation cylinder 2, and the bottom of the compensation plunger 3 is attached to the top of a hydraulic oil level in the compensation cylinder 2; and the compensation plunger 3 moves up and down in the inner cavity of the compensation cylinder 2 along with the change of the hydraulic oil level in the compensation cylinder 2.
A sealing ring 21 is arranged between the wall surface of the inner cavity of the compensation cylinder 2 and the outer wall surface of the compensation plunger 3, and a gap between the outer wall of the compensation plunger 3 and the inner cavity of the compensation cylinder 2 is sealed to prevent outside air and impurities from entering hydraulic oil through the gap.
When the hydraulic oil amount is reduced, the hydraulic oil level in the compensation cylinder 2 is lowered, and the compensation plunger 3 is lowered under the influence of gravity; when the hydraulic oil amount is increased, the hydraulic oil level in the compensation cylinder 2 rises, and the compensation plunger 3 is pushed by the hydraulic oil to rise.
Hydraulic oil is always arranged in the compensation cylinder body 2, so that the height of the hydraulic oil level can be increased, and the oil pressure of the oil outlet 12 is increased.
Further, the length of the compensation plunger 3 is close to the height of the compensation cylinder 2; the sealing ring 21 is arranged on the upper part of the inner cavity wall surface of the compensation cylinder 2, and the outer wall of the compensation plunger 3 moves up and down in the ring of the sealing ring 21; because the sealing washer 21 is installed on the compensation barrel 2, so in the compensation plunger 3 reciprocates the in-process, sealing washer 21 can not reciprocate along with reciprocating to reduce wearing and tearing avoid sealing washer 21's rubber granule to sneak into in the hydraulic oil, influence the oil.
The number of the sealing rings 21 is more than 2, so that sufficient external isolation sealing can be realized.
Of course, the seal ring 21 may be attached to the outer wall of the bottom of the compensating plunger 3 in a manner similar to that of a hydraulic piston rod, and the seal ring 21 may be a Y-shaped piston seal ring.
Further, be provided with discharge valve 32 on the compensation plunger 3, discharge valve 32 with hydraulic oil storage cavity in the compensation barrel 2 link up, when producing gas in the hydraulic oil use, gets into the utility model discloses an in the oil tank with compensation function back, through stewing, the air bubble can come up the bottom of compensation plunger 3, by discharge valve 32 is discharged, avoids sneaking into in the hydraulic oil, makes hydraulic oil take place to emulsify.
Further, the compensating plunger 3 is of a barrel-shaped structure, the bottom of the compensating plunger 3 is provided with a barrel bottom 31, and the exhaust valve 32 is installed on the barrel bottom 31, so that the manufacturing material of the compensating plunger 3 is saved; still further, the bottom surface of the barrel bottom 31 is conical, and the exhaust valve 32 is arranged at the top of the conical part; the generated bubbles may collect in a conical shape towards the top for easy discharge through the discharge valve 32.
Further, the top of compensation plunger 3 outwards extends, forms brim of a hat 33, prevents that the hydraulic pressure oil level from crossing when low excessively, compensation plunger 3 warp compensation barrel 2 landing extremely in the oil tank body 1.
The utility model discloses an oil tank with compensation function simple structure can carry out appropriate transformation to current oil tank and get.
The utility model discloses an in hydraulic system was used to oil tank with compensation function, can effectually avoid impurity such as dust, air to enter into hydraulic oil system, can also stew in through the oil tank simultaneously, with the bubble discharge of sneaking into in the hydraulic oil system, improve oil quality.
While the preferred embodiments of the present invention have been described in detail, it will be understood by those skilled in the art that the invention is not limited to the embodiments disclosed, but is capable of numerous equivalents and substitutions without departing from the spirit of the invention, and such equivalents and substitutions are intended to be included within the scope of the invention as defined by the appended claims.
Claims (10)
1. The oil tank with the compensation function comprises an oil tank body, wherein an oil inlet and an oil outlet are formed in the oil tank body and are connected with hydraulic equipment through interfaces; the oil tank is characterized in that a compensation cylinder is arranged at the top of the oil tank body, and the inner cavity of the compensation cylinder is communicated with the cavity of the oil tank body;
the oil tank body is filled with hydraulic oil, and the hydraulic oil level rises into the compensation cylinder body;
the compensation cylinder is provided with a sealing device.
2. A fuel tank having a compensation function according to claim 1, wherein said sealing means is a compensation plunger;
the compensation plunger is movably arranged in an inner cavity of the compensation barrel, and the bottom of the compensation plunger is attached to the top of a hydraulic oil level in the compensation barrel;
the compensation plunger piston moves up and down in the inner cavity of the compensation cylinder body along with the change of the hydraulic oil level in the compensation cylinder body.
3. The fuel tank having a compensating function according to claim 2, wherein a seal ring is provided between an inner cavity wall surface of the compensating cylinder and an outer wall surface of the compensating plunger.
4. The oil tank with the compensation function as claimed in claim 3, wherein the sealing ring is mounted on the upper part of the wall surface of the inner cavity of the compensation cylinder body, and the outer wall of the compensation plunger moves up and down in the ring of the sealing ring.
5. A fuel tank having a compensation function as set forth in claim 4, wherein said seal ring is provided in an amount of 2 or more.
6. A fuel tank having a compensating function as claimed in claim 3, wherein the packing is mounted on an outer wall of the compensating plunger.
7. The oil tank with the compensation function according to claim 2, wherein the compensation plunger is provided with an exhaust valve which is communicated with a hydraulic oil storage chamber in the compensation cylinder.
8. The fuel tank with compensation function as claimed in claim 7, wherein the compensation plunger is a barrel-shaped structure, the bottom of the compensation plunger is provided with a barrel bottom, and the exhaust valve is installed on the barrel bottom.
9. The fuel tank having a compensating function as claimed in claim 8, wherein a bottom surface of the tub bottom is tapered, and the discharge valve is installed at a top of the taper; the generated bubbles are collected towards the top along the cone and discharged through the exhaust valve.
10. A fuel tank having a compensating function as claimed in claim 2, wherein the top of the compensating plunger extends outwardly to form a visor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022786165.XU CN214063414U (en) | 2020-11-26 | 2020-11-26 | Oil tank with compensation function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022786165.XU CN214063414U (en) | 2020-11-26 | 2020-11-26 | Oil tank with compensation function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214063414U true CN214063414U (en) | 2021-08-27 |
Family
ID=77403764
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022786165.XU Active CN214063414U (en) | 2020-11-26 | 2020-11-26 | Oil tank with compensation function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214063414U (en) |
-
2020
- 2020-11-26 CN CN202022786165.XU patent/CN214063414U/en active Active
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