CN219346183U - High sealing performance's long oil pointer - Google Patents

High sealing performance's long oil pointer Download PDF

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Publication number
CN219346183U
CN219346183U CN202320484345.3U CN202320484345U CN219346183U CN 219346183 U CN219346183 U CN 219346183U CN 202320484345 U CN202320484345 U CN 202320484345U CN 219346183 U CN219346183 U CN 219346183U
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CN
China
Prior art keywords
liquid
passing bolt
annular
passing
sealing ring
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Active
Application number
CN202320484345.3U
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Chinese (zh)
Inventor
郭华
王硕
邵瑞娜
李佳佳
宁家涛
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PINGYUAN FILTER CO Ltd
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PINGYUAN FILTER CO Ltd
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Priority to CN202320484345.3U priority Critical patent/CN219346183U/en
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Abstract

The utility model discloses a long oil pointer with high sealing performance, which comprises a body, wherein the body is used for being arranged on the side wall of a liquid tank serving as external equipment, an observation cavity is vertically arranged in the body, and an observation window is arranged at the observation cavity; an upper liquid-passing bolt is arranged on the body above the observation window, and a lower liquid-passing bolt is arranged on the body below the observation window; the liquid-passing bolt is provided with an inner blind hole extending along the axial direction, and the inner end of the inner blind hole is opened; the middle part of the liquid-passing bolt is provided with an opening communicated with the observation cavity; the liquid-passing bolt at the inner side surface of the body is radially protruded and provided with an inner annular step, the liquid-passing bolt is sleeved with an annular sealing ring, and an axial sealing part and a radial sealing part are arranged between the annular sealing ring and the liquid-passing bolt. According to the utility model, most of the outer surfaces of the annular sealing rings can be used as sealing through the axial sealing part, the radial sealing part, the inner sealing part and the outer sealing part, so that leakage of liquid through the annular sealing rings becomes extremely difficult, and the sealing performance is greatly improved.

Description

High sealing performance's long oil pointer
Technical Field
The utility model relates to the technical field of machinery, in particular to a lubricating oil liquid level observation technology.
Background
Devices with moving parts often require lubrication, such as lack of lubrication, can lead to severe wear of the moving parts, reducing product life. In the prior art, a long oil level indicator is used for observing the state of the liquid level of lubricating oil in equipment provided with a moving part, so that the quantity of the lubricating oil can be monitored, and the lubricating oil can be timely replenished when the liquid level of the lubricating oil is lowered.
Specifically, the equipment is provided with a lubricating oil cavity, the liquid level in the lubricating oil cavity needs to be ensured to be enough to lubricate the moving parts, and when the liquid level of the lubricating oil is reduced, the lubricating oil cavity is timely supplemented with the lubricating oil.
The long oil pointer comprises a long strip-shaped body, a transparent observation window is arranged in the middle of the body, an upper liquid-passing bolt used for being connected with equipment is arranged on the body above the observation window, and a lower liquid-passing bolt used for being communicated with a lubricating oil cavity of the equipment is arranged on the body below the observation window. The observation cavity is vertically arranged in the body and is communicated with a lubricating oil cavity in the equipment through an upper liquid-passing bolt and a lower liquid-passing bolt.
The long oil level in the prior art (such as the long oil level specified in GB1161-89 long oil level) has the following defects:
the requirement on the machining precision is high, and if the machining precision is not achieved, oil leakage is easy to occur at the position of the liquid-passing bolt. Most factories cannot meet the processing precision requirement, so that most long oil marks on the market leak oil, and further, the company cannot directly construct the product line in the prior art when preparing long oil mark products.
The surface of the body connected with the equipment is called the inner side surface of the body, the opposite surface of the body is called the outer side surface of the body, and two possible oil leakage points of the lower liquid-passing bolt are arranged, one part is positioned on the inner side surface of the body, and the other part is positioned on the outer side surface of the body.
Disclosure of Invention
The utility model aims to provide a long oil pointer with high sealing performance, which realizes radial sealing and axial sealing through a sealing ring and a liquid-passing bolt simultaneously and improves the sealing performance of the matching part of the liquid-passing bolt and a body.
In order to achieve the above purpose, the long oil pointer with high sealing performance comprises a vertically long strip-shaped body, wherein the body is used for being installed on the side wall of a liquid tank serving as external equipment, one surface of the body connected with the side wall of the liquid tank is called as an inner side surface of the body, and the opposite surface of the body is called as an outer side surface of the body; an observation cavity is vertically arranged in the body, and a transparent observation window for observing the liquid level is arranged on the body outside the observation cavity;
an upper liquid-passing bolt which is used for being communicated with the liquid tank is arranged on the body above the observation window, and a lower liquid-passing bolt which is used for being communicated with the liquid tank is arranged on the body below the observation window;
the inner ends of the lower liquid-passing bolt and the upper liquid-passing bolt are respectively used for being communicated with a liquid tank so as to introduce liquid into the observation cavity; the lower liquid-passing bolt and the upper liquid-passing bolt have the same structure, and are collectively called as liquid-passing bolts;
the liquid-passing bolt is provided with an inner blind hole extending along the axial direction, and the inner end of the inner blind hole extends to the inner end of the liquid-passing bolt and is arranged in an open way; the middle part of the liquid-passing bolt is provided with an opening communicated with the observation cavity; the liquid-passing bolt at the inner side surface of the body is radially provided with an inner annular step in a protruding way, the liquid-passing bolt is sleeved with an annular sealing ring, and the annular sealing ring is in compression joint with the circumferential side wall of the liquid-passing bolt to form an axial sealing part;
the radial inner end of the annular sealing ring is provided with an annular boss in an outward axial bulge mode, and the outer end face of the annular boss is in compression joint with the inner end face of the inner annular step to form a radial sealing part.
The annular sealing ring is internally pressed against the outer surface of the side wall of the liquid tank to form an inner sealing part.
The annular sealing ring is embedded in the annular caulking groove and forms an external sealing part with the groove wall of the annular caulking groove.
The liquid-passing bolt on the outer side of the body is provided with a radial boss in a radial extending way, and the inner side surface of the radial boss is in pressure connection with the outer side surface of the body.
The observation window is provided with a scale for marking the liquid level.
The inner side surface of the annular sealing ring is provided with two annular bulges for enhancing the tightness between the annular sealing ring and the side wall of the liquid tank.
The utility model has the following advantages:
the annular sealing ring and the annular boss form axial sealing and radial sealing with the liquid-passing bolt, and the sealing performance is greatly improved.
According to the utility model, through the axial sealing part, the radial sealing part, the inner sealing part and the outer sealing part, the utilization rate of the annular sealing ring is greatly improved, and most of the outer surface of the annular sealing ring can be used as a seal, so that leakage of liquid through the annular sealing ring becomes extremely difficult, and compared with the prior art, the sealing performance is greatly improved.
The inner side surface of the radial boss is in compression joint with the outer side surface of the body, so that on one hand, the sealing performance of a product is improved, and on the other hand, the firmness of connection of the liquid-passing bolt and the body is improved.
The utility model can be used for monitoring the liquid level of lubricating oil on the lubricating oil tank (which is the original function for developing the utility model), and can be used on any liquid tank needing liquid level monitoring, and the application is very wide.
The sealing performance of the utility model is greatly improved, so the requirements on the machining precision of parts such as the liquid-passing bolt, the body and the like can be properly reduced, the whole manufacturing cost is reduced, and the manufacturing efficiency is improved.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is an enlarged view at A in FIG. 1;
FIG. 3 is a schematic view of the construction of a liquid passing bolt;
FIG. 4 is a schematic view of the structure of an annular seal ring;
fig. 5 is a left side view of fig. 1.
Detailed Description
As shown in fig. 1 to 5, the long oil level with high sealing performance of the present utility model comprises a vertically long body 1, wherein the body 1 is used for being mounted on a side wall 2 of a liquid tank as an external device (herein, "external" means that the side wall 2 of the liquid tank is not a part of the present utility model), one surface of the body 1 connected with the side wall 2 of the liquid tank is called as an inner side surface 3 of the body 1, and the opposite surface of the body 1 is called as an outer side surface 4 of the body 1; an observation cavity is vertically arranged in the body 1, and a transparent observation window 5 for observing the liquid level is arranged on the body 1 outside the observation cavity; the upper and lower liquid tank side walls 2 in fig. 1 are actually the same liquid tank side wall 2, and for convenience of illustration, the liquid tank side wall 2 is not completely drawn, and the connection position of the liquid tank side wall 2 and the utility model is two, only the two positions are shown. The liquid tank may be a water tank, a fuel tank or a lubrication tank, etc. The development work of the utility model starts from the need for lubrication tank level observation.
An upper liquid-passing bolt 6 used for being connected with the liquid tank 2 is arranged on the body 1 above the observation window 5, and a lower liquid-passing bolt 7 used for being connected with the liquid tank is arranged on the body 1 below the observation window 5;
the inner ends of the lower liquid-passing bolt 7 and the upper liquid-passing bolt 6 are used for being communicated with a liquid tank so as to introduce liquid into the observation cavity; the lower liquid-passing bolt 7 and the upper liquid-passing bolt 6 have the same structure, and the lower liquid-passing bolt 7 and the upper liquid-passing bolt 6 are collectively called as liquid-passing bolts;
the liquid-passing bolt 7 is provided with an inner blind hole 8 extending along the axial direction, the inner end of the inner blind hole 8 extends to the inner end of the liquid-passing bolt 7 and is arranged in an opening way, and a liquid inlet 18 is formed at the opening way; the middle part of the liquid-passing bolt 7 is provided with an opening communicated with the observation cavity, and the opening is used as a liquid outlet 19 of the liquid-passing bolt 7 and is used for introducing liquid into the observation cavity; the liquid-passing bolt 7 at the inner side surface 3 of the body 1 is radially provided with an inner annular step 9 in a protruding way, the liquid-passing bolt 7 is sleeved with an annular sealing ring 10, and the annular sealing ring 10 is in compression joint with the circumferential side wall of the liquid-passing bolt 7 to form an axial sealing part 11;
the radial inner end part of the annular sealing ring 10 is axially protruded outwards to form an annular boss 12, and the outer end surface of the annular boss 12 is in compression joint with the inner end surface of the inner annular step 9 to form a radial sealing part 13.
The annular seal ring 10 is pressed inwardly against the outer surface of the tank sidewall 2 to form an inner seal 14.
An annular caulking groove is formed on the body 1 around the annular sealing ring 10 in an inward protruding mode, and the annular sealing ring 10 is embedded in the annular caulking groove and forms an outer sealing part 15 with the groove wall of the annular caulking groove.
The annular sealing ring 10 and the annular boss 12 of the annular sealing ring form axial sealing and radial sealing together with the liquid-passing bolts (comprising the upper liquid-passing bolt 6 and the lower liquid-passing bolt 7), so that the sealing performance is greatly improved.
According to the utility model, the utilization rate of the annular sealing ring 10 is greatly improved through the axial sealing part 11, the radial sealing part 13, the inner sealing part 14 and the outer sealing part 15, so that most of the outer surface of the annular sealing ring 10 can be used as a seal, leakage of liquid through the annular sealing ring 10 becomes extremely difficult, and the sealing performance is greatly improved compared with the prior art.
The liquid-passing bolt on the outer side of the body 1 is radially extended and provided with a radial boss 16, and the inner side surface 3 of the radial boss 16 is in pressure connection with the outer side surface 4 of the body 1.
The inner side surface 3 of the radial boss 16 is in compression joint with the outer side surface 4 of the body 1, so that on one hand, the sealing performance of a product is improved, and on the other hand, the firmness of connection of the liquid through bolt and the body 1 is improved.
The observation window 5 is provided with a scale 17 for indicating the liquid level. Thereby being convenient for personnel to quantitatively observe the liquid level.
The utility model can be used for monitoring the liquid level of lubricating oil on the lubricating oil tank (which is the original function for developing the utility model), and can be used on any liquid tank needing liquid level monitoring, and the application is very wide.
The sealing performance of the utility model is greatly improved, so the requirements on the machining precision of the parts such as the liquid-passing bolt, the body 1 and the like can be properly reduced, the whole manufacturing cost is reduced, and the manufacturing efficiency is improved.
The inner side surface of the annular sealing ring 10 is provided with two annular bulges 20 for enhancing the tightness between the annular sealing ring and the side wall 2 of the liquid tank.
When the liquid level monitoring device is used, the liquid level monitoring device is connected with the side wall 2 of the liquid tank through the upper liquid passing bolt 6 and the lower liquid passing bolt 7, liquid in the liquid tank enters the observation cavity under the principle of the communicating vessel, the liquid level in the observation cavity is level with the liquid level in the liquid tank, and a user can observe the liquid level condition in the liquid tank through the observation window 5.
The above embodiments are only for illustrating the technical solution of the present utility model, and it should be understood by those skilled in the art that although the present utility model has been described in detail with reference to the above embodiments: modifications and equivalents may be made thereto without departing from the spirit and scope of the utility model, which is intended to be encompassed by the claims.

Claims (6)

1. The long oil pointer with high sealing performance comprises a vertical long strip-shaped body, wherein the body is used for being installed on the side wall of a liquid tank serving as external equipment, one surface of the body connected with the side wall of the liquid tank is called as an inner side surface of the body, and the opposite surface of the body is called as an outer side surface of the body; an observation cavity is vertically arranged in the body, and a transparent observation window for observing the liquid level is arranged on the body outside the observation cavity;
the method is characterized in that: an upper liquid-passing bolt which is used for being communicated with the liquid tank is arranged on the body above the observation window, and a lower liquid-passing bolt which is used for being communicated with the liquid tank is arranged on the body below the observation window;
the inner ends of the lower liquid-passing bolt and the upper liquid-passing bolt are respectively used for being communicated with a liquid tank so as to introduce liquid into the observation cavity; the lower liquid-passing bolt and the upper liquid-passing bolt have the same structure, and are collectively called as liquid-passing bolts;
the liquid-passing bolt is provided with an inner blind hole extending along the axial direction, and the inner end of the inner blind hole extends to the inner end of the liquid-passing bolt and is arranged in an open way; the middle part of the liquid-passing bolt is provided with an opening communicated with the observation cavity; the liquid-passing bolt at the inner side surface of the body is radially provided with an inner annular step in a protruding way, the liquid-passing bolt is sleeved with an annular sealing ring, and the annular sealing ring is in compression joint with the circumferential side wall of the liquid-passing bolt to form an axial sealing part;
the radial inner end of the annular sealing ring is provided with an annular boss in an outward axial bulge mode, and the outer end face of the annular boss is in compression joint with the inner end face of the inner annular step to form a radial sealing part.
2. The high seal performance elongate oil pointer of claim 1 wherein: the annular sealing ring is internally pressed against the outer surface of the side wall of the liquid tank to form an inner sealing part.
3. The high seal performance elongate oil pointer of claim 2 wherein: the annular sealing ring is embedded in the annular caulking groove and forms an external sealing part with the groove wall of the annular caulking groove.
4. A high sealability, elongate oil pointer as defined in any one of claims 1 to 3, wherein:
the liquid-passing bolt on the outer side of the body is provided with a radial boss in a radial extending way, and the inner side surface of the radial boss is in pressure connection with the outer side surface of the body.
5. A high sealability, elongate oil pointer as defined in any one of claims 1 to 3, wherein: the observation window is provided with a scale for marking the liquid level.
6. The high seal performance long oil pointer of claim 5, wherein: the inner side surface of the annular sealing ring is provided with two annular bulges for enhancing the tightness between the annular sealing ring and the side wall of the liquid tank.
CN202320484345.3U 2023-03-14 2023-03-14 High sealing performance's long oil pointer Active CN219346183U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202320484345.3U CN219346183U (en) 2023-03-14 2023-03-14 High sealing performance's long oil pointer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202320484345.3U CN219346183U (en) 2023-03-14 2023-03-14 High sealing performance's long oil pointer

Publications (1)

Publication Number Publication Date
CN219346183U true CN219346183U (en) 2023-07-14

Family

ID=87110296

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202320484345.3U Active CN219346183U (en) 2023-03-14 2023-03-14 High sealing performance's long oil pointer

Country Status (1)

Country Link
CN (1) CN219346183U (en)

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