CN214407683U - Liquid level meter for hydraulic system - Google Patents
Liquid level meter for hydraulic system Download PDFInfo
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- CN214407683U CN214407683U CN202120765588.5U CN202120765588U CN214407683U CN 214407683 U CN214407683 U CN 214407683U CN 202120765588 U CN202120765588 U CN 202120765588U CN 214407683 U CN214407683 U CN 214407683U
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Abstract
The utility model belongs to the technical field of the level gauge technique and specifically relates to a level gauge for hydraulic system, including arranging the inside second barrel of hydraulic tank in, arranging the outside first barrel of hydraulic tank in, be equipped with the scale mark on the first barrel, just first barrel is located the scale mark position at least and is the transparence, gliding floating block from top to bottom has been placed to first barrel inside, floating block and the sealed setting of first barrel inner wall, the cavity that the second barrel is located the slider below is cavity under the second, is located the cavity on the cavity of slider top for the second, the third gas pocket passes through pipeline and first gas pocket intercommunication, second barrel lower extreme is seted up and is put the communicating fourth gas pocket of cavity under the second, the fourth gas pocket communicates with each other through pipeline and the external world. This device need not set up the liquid level linker in hydraulic tank bottom, can not make fluid produce the problem of leaking to this device installation is simple and convenient, and the setting of first barrel position is more nimble.
Description
Technical Field
The utility model relates to a level gauge technical field especially relates to a level gauge for hydraulic system.
Background
The liquid level and liquid temperature meter is an important element in a hydraulic system and is used for measuring the liquid level and the temperature of hydraulic oil in a hydraulic oil tank in the hydraulic system so as to ensure the normal operation of the hydraulic system.
In the prior art, a communicating vessel is formed between the lower part of the liquid level pipe and a hydraulic oil tank in a hydraulic system, so that the height of the liquid level in the liquid level pipe is the same as the height of the liquid level in the hydraulic oil tank, and the liquid level of the hydraulic oil tank can be measured.
The communicating vessel liquid level meter needs to be provided with a hole below the oil tank, the requirement on the sealing performance of the hole position is high, and the problem of oil leakage is easily caused at the hole position after long-term use.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving among the prior art communicating vessel level gauge and need set up a hole in the oil tank below, require very high to the leakproofness of hole position, long-term the use back, the hole position produces the problem of oil leak easily, and a level gauge for hydraulic system who provides.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a liquid level meter for a hydraulic system comprises a second cylinder body and a first cylinder body, wherein the second cylinder body is arranged in a hydraulic oil tank, the first cylinder body is arranged outside the hydraulic oil tank, scale marks are arranged on the first cylinder body, at least the position, located on the scale marks, of the first cylinder body is transparent, a floating block capable of sliding up and down is arranged in the first cylinder body, the floating block and the inner wall of the first cylinder body are arranged in a sealing mode, a cavity, located below the floating block, of the first cylinder body is a first lower air cavity, a cavity, located above the floating block, of the first cylinder body is a first upper air cavity, a second air hole communicated with the first upper air cavity is formed in the upper end of the first cylinder body, and a first air hole communicated with the first lower air cavity is formed in the lower end of the first cylinder body;
the second cylinder is sleeved with a second permanent magnet, a floating plate is fixedly connected to the bottom of the second permanent magnet, a sliding block capable of sliding up and down is placed in the second cylinder, the sliding block and the inner wall of the second cylinder are arranged in a sealing mode, a first permanent magnet is fixedly connected to the bottom of the sliding block, the first permanent magnet moves along with the second permanent magnet under the action of magnetic force, a cavity of the second cylinder below the sliding block is a second lower cavity, a cavity above the sliding block is a second upper air cavity, a third air hole communicated with the second upper air cavity is formed in the upper end of the second cylinder, the third air hole is communicated with the first air hole through a pipeline, a fourth air hole communicated with the second lower cavity is formed in the lower end of the second cylinder, and the fourth air hole is communicated with the outside through a pipeline.
The first cylinder is made of transparent glass or transparent plastic.
A protective shell is mounted outside the first cylinder.
The floating block is a hollow cylinder made of plastic, and a sealing ring is arranged between the outer circumference of the floating block and the inner wall of the first cylinder.
The floating block is a cylinder made of foam materials, and a sealing ring is arranged between the outer circumference of the floating block and the inner wall of the first cylinder.
The first permanent magnet is magnetically suspended above the second permanent magnet.
The first permanent magnet block is magnetically adsorbed below the second permanent magnet block.
The utility model provides a pair of level gauge for hydraulic system, beneficial effect lies in: this device need not set up the liquid level linker in hydraulic tank bottom, can not make fluid produce the problem of leaking to this device installation is simple and convenient, and the setting of first barrel position is more nimble.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
In the figure: the air compressor comprises a first air hole 1, a first lower air cavity 2, a floating block 3, a first upper air cavity 4, a second air hole 5, a first cylinder 6, a second upper air cavity 7, a third air hole 8, a second cylinder 9, a sliding block 10, a first permanent magnet 11, a second permanent magnet 12, a floating plate 13, a fourth air hole 14 and a second lower cavity 15.
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.
Referring to fig. 1, a liquid level meter for a hydraulic system comprises a second cylinder 9 arranged inside a hydraulic oil tank and a first cylinder 6 arranged outside the hydraulic oil tank, wherein scale marks are arranged on the first cylinder 6, and the first cylinder 6 is at least positioned on the scale marks and is transparent, a floating block 3 capable of sliding up and down is arranged inside the first cylinder 6, the floating block 3 is hermetically arranged on the inner wall of the first cylinder 6, a cavity of the first cylinder 6, which is positioned below the floating block 3, is a first lower air cavity 2, a cavity of the first cylinder is positioned above the floating block 3 is a first upper air cavity 4, a second air hole 5 communicated with the first upper air cavity 4 is formed in the upper end of the first cylinder 6, so that the first upper air cavity 4 is communicated with the outside for balancing air pressure, and a first air hole 1 communicated with the first lower air cavity 2 is formed in the lower end of the first cylinder 6;
a second permanent magnet 12 is sleeved outside the second cylinder 9, a floating plate 13 is fixedly connected to the bottom of the second permanent magnet 12, a sliding block 10 capable of sliding up and down is arranged inside the second cylinder 9, the sliding block 10 is hermetically arranged with the inner wall of the second cylinder 9, a first permanent magnet 11 is fixedly connected to the bottom of the sliding block 10, the first permanent magnet 11 moves along with the second permanent magnet 12 under the action of magnetic force, when the first permanent magnet 11 moves along with the second permanent magnet 12, the sliding block 10 moves along with the first permanent magnet 11, the cavity of the second cylinder 9 below the sliding block 10 is a second lower cavity 15, the cavity above the sliding block 10 is a second upper air cavity 7, a third air hole 8 communicated with the second upper air cavity 7 is formed at the upper end of the second cylinder 9, the third air hole 8 is communicated with the first air hole 1 through a pipeline, so that a sealed and communicated cavity is formed between the second upper air cavity 7 and the first lower air cavity 2, a fourth air hole 14 communicated with the second lower cavity 15 is formed at the lower end of the second cylinder 9, the fourth air hole 14 communicates with the outside through a pipe for equalizing the air pressure inside the second lower chamber 15.
When the device is used, the change of the oil in the hydraulic oil tank drives the floating plate 13 to float up and down above the liquid level, the floating plate 13 moves up and down to drive the second permanent magnet block 12 to move up and down, under the action of magnetic force, the first permanent magnet block 11 is driven to move up and down through the second permanent magnet block 12, finally, the sliding block 10 moves up and down in the second barrel 9, when the sliding block 10 moves up and down, the gas in the second upper air cavity 7 and the gas in the first lower air cavity 2 are mutually conveyed, the floating block 3 is controlled to move up and down in the first barrel 6 under the action of gas pushing, the liquid level inside the hydraulic oil tank is judged by observing the position of the floating block 3, the device does not need to be provided with a liquid level communicating device at the bottom of the hydraulic oil tank, the problem of leakage of the oil cannot be caused, the device is simple and convenient to install, and the position of the first barrel 6 is more flexible to set up.
Preferably, the first cylinder 6 is made of transparent glass or transparent plastic, and a protective shell is mounted outside the first cylinder 6.
The floating block 3 is a hollow cylinder made of plastic, and a sealing ring is arranged between the outer circumference of the floating block 3 and the inner wall of the first cylinder 6. Or the floating block 3 is a cylinder made of foam material, and a sealing ring is arranged between the outer circumference of the floating block 3 and the inner wall of the first cylinder 6. The lighter the float, the lower the gas compression, and the more accurate the liquid level measurement.
Referring to fig. 1, the first permanent magnet 11 is magnetically suspended above the second permanent magnet 12, and the first permanent magnet 11 is pushed to move upwards by the magnetic force of the second permanent magnet 12.
The structure diagram is not shown, the first permanent magnet 11 is magnetically attracted to the lower part of the second permanent magnet 12, in this way, the first permanent magnet 11 is attracted to move along with the second permanent magnet 12 by utilizing the magnetic attraction force, and in the actual use, the mode that the first permanent magnet 11 is magnetically suspended above the second permanent magnet 12 is preferred.
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 thereof, the technical solution, concept and design obtained by equivalent replacement or change should be covered within the protection scope of the present invention.
Claims (7)
1. A liquid level meter for a hydraulic system is characterized by comprising a second cylinder (9) arranged inside a hydraulic oil tank and a first cylinder (6) arranged outside the hydraulic oil tank, the first cylinder (6) is provided with scale marks, and the first cylinder (6) is transparent at least at the position of the scale marks, a floating block (3) capable of sliding up and down is arranged in the first cylinder (6), the floating block (3) is hermetically arranged with the inner wall of the first cylinder (6), the cavity of the first cylinder (6) below the floating block (3) is a first lower air cavity (2), the cavity above the floating block (3) is a first upper air cavity (4), the upper end of the first cylinder (6) is provided with a second air hole (5) communicated with the first upper air cavity (4), the lower end of the first cylinder (6) is provided with a first air hole (1) communicated with the first lower air cavity (2);
a second permanent magnet (12) is sleeved outside the second cylinder (9), a floating plate (13) is fixedly connected to the bottom of the second permanent magnet (12), a sliding block (10) capable of sliding up and down is placed inside the second cylinder (9), the sliding block (10) and the inner wall of the second cylinder (9) are hermetically arranged, a first permanent magnet (11) is fixedly connected to the bottom of the sliding block (10), the first permanent magnet (11) moves along with the second permanent magnet (12) under the magnetic force action, a cavity of the second cylinder (9) below the sliding block (10) is a second lower cavity (15), a cavity above the sliding block (10) is a second upper air cavity (7), a third air hole (8) communicated with the second upper air cavity (7) is formed in the upper end of the second cylinder (9), the third air hole (8) is communicated with the first air hole (1) through a pipeline, and a fourth air hole (14) communicated with the second lower cavity (15) is formed in the lower end of the second cylinder (9), the fourth air hole (14) is communicated with the outside through a pipeline.
2. Level gauge for hydraulic systems, according to claim 1, characterized in that said first cylinder (6) is made of transparent glass or transparent plastic.
3. The gauge of claim 2, wherein a protective casing is externally mounted to the first cylinder (6).
4. The level gauge for a hydraulic system according to claim 1, wherein the float block (3) is a hollow cylinder made of plastic, and a seal ring is arranged between the outer circumference of the float block (3) and the inner wall of the first cylinder (6).
5. The liquid level gauge for the hydraulic system according to claim 1, wherein the floating block (3) is a cylinder made of foam, and a sealing ring is arranged between the outer circumference of the floating block (3) and the inner wall of the first cylinder (6).
6. The gauge of claim 1, wherein the first permanent magnet (11) is magnetically suspended above the second permanent magnet (12).
7. The fluid level gauge for a hydraulic system according to claim 1, wherein the first permanent magnet (11) is magnetically attracted to the underside of the second permanent magnet (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120765588.5U CN214407683U (en) | 2021-04-14 | 2021-04-14 | Liquid level meter for hydraulic system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120765588.5U CN214407683U (en) | 2021-04-14 | 2021-04-14 | Liquid level meter for hydraulic system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214407683U true CN214407683U (en) | 2021-10-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120765588.5U Active CN214407683U (en) | 2021-04-14 | 2021-04-14 | Liquid level meter for hydraulic system |
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| CN (1) | CN214407683U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114878112A (en) * | 2022-05-17 | 2022-08-09 | 国家能源集团国源电力有限公司 | Airflow detection device |
-
2021
- 2021-04-14 CN CN202120765588.5U patent/CN214407683U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114878112A (en) * | 2022-05-17 | 2022-08-09 | 国家能源集团国源电力有限公司 | Airflow detection device |
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