CN219485528U - Special tool for disassembling ventilation cap of oil tank - Google Patents
Special tool for disassembling ventilation cap of oil tank Download PDFInfo
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- CN219485528U CN219485528U CN202320277298.5U CN202320277298U CN219485528U CN 219485528 U CN219485528 U CN 219485528U CN 202320277298 U CN202320277298 U CN 202320277298U CN 219485528 U CN219485528 U CN 219485528U
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- hollow plug
- wrench
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/56—Reuse, recycling or recovery technologies of vehicles
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Abstract
The utility model provides a special tool for disassembling an oil tank ventilation cap, which is matched with an oil tank ventilation cap formed by a cap and a hollow plug, and comprises a threaded jacking screw rod and a threaded wrench; the first end face of the threaded jacking screw rod is inwards recessed to form a first groove, and a first boss is circumferentially arranged on the outer surface of the threaded jacking screw rod; the first groove is provided with an internal thread which is in threaded connection with an external thread of the hollow plug, and the first boss is provided with an external thread; the thread spanner is hollow and tubular, the outer surface of the threaded jackscrew rod is sleeved, the inner wall of the threaded spanner is provided with an inner thread which is in threaded connection with the outer thread of the first boss, and the length of the threaded spanner is longer than that of the outer thread of the first boss, so that the threaded spanner is ensured to extend out of the threaded jackscrew rod in a rotating way; the inner diameter of the screw spanner is larger than the maximum outer diameter of the hollow plug and smaller than the outer diameter of one end face of the cap; after the rotary threaded jackscrew rod is fixed with the hollow plug, the rotary threaded wrench jacks up the cap and is separated from the hollow plug. The utility model has simple structure and convenient operation, and can rapidly and thoroughly separate the cap from the hollow plug.
Description
Technical Field
The utility model relates to the technical field of disassembly and assembly of vent caps, in particular to a special tool for disassembly of a vent cap of an oil tank.
Background
In thin oil lubricated oil systems or bearing housings, a simple reliable plug-like breather cap (also known as a breather/oil separator/breather cap/bleeder) is often used. The ventilation cap of the oil tank is formed by splicing a metal thin-wall cap and a hollow plug with a built-in rough filtering metal wire mesh in a tensioning manner, as shown in fig. 1; the necessary ventilation gap T3 is reserved between the cap T1 and the hollow plug T2 and is mainly used for communicating the inner space and the outer space of the oil tank to balance the pressure difference between the inner space and the outer space, so that faults such as oil seal oil leakage and the like caused by liquid level fluctuation of an oil system are avoided.
However, in the actual use process, dust around the equipment can enter the ventilation cap due to fluctuation of pressure difference between the inside and the outside of the oil tank, and form oil sludge which is difficult to clean with condensed oil gas. In view of the fact that the cap is a thin-wall piece which is tightly attached to the hollow plug and is tightly expanded with the hollow plug, the disassembly is difficult, the ventilation cap is basically cleaned only in the normal maintenance process, people blow or the compressed air is blown, greasy dirt in the ventilation gap cannot be thoroughly removed, and the oil gas is slightly condensed in the operation process to form the oil sludge to block the ventilation gap again, so that the ventilation cap is invalid.
Therefore, a special tool for disassembling the ventilation cap of the oil tank is needed, the structure is simple, the operation is convenient, the cap and the hollow plug can be rapidly and thoroughly separated, and therefore ventilation gaps are thoroughly cleaned, and the failure of the ventilation cap of the oil tank in the operation process is avoided.
Disclosure of Invention
The technical problem to be solved by the embodiment of the utility model is to provide a special tool for disassembling the ventilation cap of the oil tank, which has a simple structure and convenient operation, and can rapidly and thoroughly separate the cap from the hollow plug, thereby thoroughly cleaning the ventilation gap and avoiding the failure of the ventilation cap of the oil tank in the operation process.
In order to solve the technical problems, the embodiment of the utility model provides a special tool for disassembling an oil tank ventilation cap, which is matched with the oil tank ventilation cap formed by a cap cover and a hollow plug, wherein an external thread is preset on the outer surface of one end of the hollow plug far away from the cap cover; comprises a threaded jacking screw rod and a threaded spanner; wherein, the liquid crystal display device comprises a liquid crystal display device,
the threaded jackscrew rod includes a first end and a second end; the end face of the first end is inwards recessed to form a first groove, and the outer surface of the first end is circumferentially surrounded to form a first boss; the inner wall of the first groove is provided with an internal thread, and the internal thread is in threaded connection fit with an external thread preset on the outer surface of the hollow plug; an external thread is arranged on the outer surface of the first boss;
the thread wrench is hollow and tubular, is sleeved on the outer surface of the threaded jacking screw rod, and is provided with an inner thread which is in threaded connection fit with an outer thread arranged on the first boss on the inner wall; the length of the internal thread of the thread wrench is longer than that of the external thread arranged on the first boss, and the thread wrench can extend out of the end face of the first end of the thread pushing screw rod after rotating for a certain length in a preset direction; the inner diameter of the thread wrench is larger than the maximum outer diameter of the hollow plug and smaller than the outer diameter of the end face of the cap facing one end of the hollow plug;
the screw thread pushing screw rod is rotated, the internal thread of the first groove in the screw thread pushing screw rod is in threaded connection with the external thread preset on the outer surface of the hollow plug, after the screw thread pushing screw rod is fixed with the hollow plug, the screw thread wrench is rotated, so that the screw thread wrench is sleeved on the outer surface of the hollow plug and moves along the axial direction away from the screw thread pushing screw rod, and after the end face of the screw thread wrench contacts with the end face of the cap, the cap is jacked to move away from the screw thread pushing screw rod, and the cap is separated from the hollow plug.
Wherein, the screw thread top screw rod is also provided with a first handle; the first handle is fixed on the outer surface of the middle part of the threaded jacking screw rod.
The end face of the second end of the threaded jacking screw rod is inwards recessed to form a second groove, and the outer surface of the second end is circumferentially surrounded to form a second boss; the inner wall of the second groove is provided with an internal thread, and the internal thread is in threaded connection fit with an external thread preset on the outer surface of the hollow plug; and an external thread is arranged on the outer surface of the second boss and is in threaded connection fit with an internal thread arranged on the inner wall of the thread wrench.
Wherein, the thread wrench is also provided with a second handle; wherein the second handle is fixed on the outer surface of the middle part of the thread wrench.
Wherein, also include the jack-up gasket; wherein, the liquid crystal display device comprises a liquid crystal display device,
the jacking gasket is annular, is positioned between the thread wrench and the cap and can be sleeved on the outer surface of the hollow plug;
the inner diameter of the jacking gasket is larger than the maximum outer diameter of the hollow plug and smaller than the outer diameter of the end face of the cap facing one end of the hollow plug and the inner diameter of the thread wrench; the outer diameter of the jacking gasket is larger than the inner diameter of the thread wrench.
Wherein the predetermined direction is a clockwise direction or a counterclockwise direction.
The screw wrench, the threaded jacking screw rod and the jacking gasket are made of rigid materials.
The first handle and the second handle are fixed in a threaded connection mode, and are made of rigid materials.
The embodiment of the utility model has the following beneficial effects:
the special tool comprises the threaded jacking screw rod and the threaded spanner, the internal thread in the threaded jacking screw rod is in threaded connection with the external thread of the hollow plug by rotating the threaded jacking screw rod, after the threaded jacking screw rod is fixed with the hollow plug, the threaded spanner is rotated, so that the threaded spanner is sleeved on the outer surface of the hollow plug and moves away from the threaded jacking screw rod along the axial direction, and after the end face of the threaded spanner is contacted with the end face of the cap, the cap is jacked to move away from the threaded jacking screw rod, so that the cap is separated from the hollow plug, the special tool has a simple structure and is convenient to operate, the cap and the hollow plug can be rapidly and thoroughly separated, and therefore, a vent gap is thoroughly cleaned, and the failure of the vent cap of the oil tank in the operation process is avoided.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions of the prior art, the drawings which are required in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the utility model, and that it is within the scope of the utility model to one skilled in the art to obtain other drawings from these drawings without inventive faculty.
FIG. 1 is a schematic plan view of a prior art tank vent cap;
fig. 2 is a schematic plan view of a special tool for disassembling a vent cap of an oil tank according to an embodiment of the present utility model when the vent cap of the oil tank is disassembled.
Detailed Description
The present utility model will be described in further detail with reference to the accompanying drawings, for the purpose of making the objects, technical solutions and advantages of the present utility model more apparent.
As shown in fig. 2, in the embodiment of the present utility model, a special tool for disassembling a tank vent cap is provided, which is matched with a tank vent cap M formed by a cap cover T1 and a hollow plug T2, wherein the hollow plug T2 is provided with a certain length of external threads (not shown in fig. 2, and particularly, see a curve part at the lowest end in fig. 1) on the outer surface of one end far away from the cap cover T1; the screw thread jacking device comprises a screw thread jacking screw rod 1 and a screw thread wrench 2; wherein, the liquid crystal display device comprises a liquid crystal display device,
the threaded jacking screw rod 1 is made of rigid materials and comprises a first end 11 and a second end 12; wherein, the end surface of the first end 11 is recessed inwards to form a first groove 111, and the outer surface of the first end 11 is circumferentially surrounded to form a first boss 112; an inner wall of the first groove 111 is provided with an inner thread (not shown) and is in threaded connection and matched with an outer thread preset on the outer surface of the hollow plug T2; the outer surface of the first boss 112 is provided with external threads; it should be noted that the directions of inward and outward are set according to the center point of the reference object, wherein the direction towards the center point of the reference object body is set to be inward, the direction away from the center point of the reference object body is set to be outward, and the relevant contents are the same, and are not repeated herein;
the screw spanner 2 is made of rigid materials, is hollow and tubular, is sleeved on the outer surface of the screw jacking screw rod 1, and is provided with internal threads (not shown) which are in threaded connection and matched with external threads arranged on the first boss 112 on the inner wall; wherein, the length of the internal thread of the screw spanner 2 is longer than the length of the external thread provided by the first boss 112, and the screw spanner 2 can extend out of the end face of the first end 11 of the screw thread jacking screw rod 1 after rotating for a certain length in a preset direction (such as clockwise direction or anticlockwise direction), so that the screw spanner 2 can be ensured to have enough length for jacking up the cap T1; at this time, the inner diameter of the thread spanner 2 is larger than the maximum outer diameter of the hollow plug T2, so that the thread spanner 2 is prevented from being limited by the hollow plug T2 and being unable to prop against the cap T1, and the inner diameter of the thread spanner 2 is smaller than the outer diameter of the end face of the cap T1 towards one end of the hollow plug T2, so that the thread spanner 2 can prop against the cap T1 and drive the cap T1 to move;
the screw thread ejection screw rod 1 is rotated, the internal thread of the first groove 111 in the screw thread ejection screw rod 1 is in threaded connection with the external thread preset on the outer surface of the hollow plug T2, after the screw thread ejection screw rod 1 is fixed with the hollow plug T2, the screw thread wrench 2 is rotated, so that the screw thread wrench 2 is sleeved on the outer surface of the hollow plug T2 and moves away from the screw thread ejection screw rod 1 along the axial direction, and after the end face of the screw thread wrench 2 contacts with the end face of the cap T1, the cap T1 is jacked to move away from the screw thread ejection screw rod 1, and the cap T1 is separated from the hollow plug T2.
In the embodiment of the utility model, in order to increase the rotation force application effect, the threaded jacking screw rod 1 is also provided with a first handle 3; the first handle 3 is made of rigid materials and is fixed on the outer surface of the middle part of the threaded jacking screw rod 1 in a threaded connection mode. At this time, the screw wrench 2 is further provided with a second handle 4; the second handle 4 is made of a rigid material and is fixed on the outer surface of the middle part of the thread wrench 2 in a threaded connection mode.
In the embodiment of the utility model, in order to increase the use scenario, the second end 12 of the threaded top screw 1 is also designed similarly to the first end 11. At this time, the end face of the second end 12 of the threaded jacking screw rod 1 is recessed inwards to form a second groove 121, and the outer surface of the second end 12 is circumferentially surrounded to form a second boss 122; wherein, the inner wall of the second groove 121 is provided with an internal thread and forms threaded connection and cooperation with an external thread preset on the outer surface of the hollow plug T2; the outer surface of the second boss 122 is provided with external threads, and is in threaded connection and cooperation with internal threads provided on the inner wall of the thread wrench 2. It will be appreciated that the internal threads used in the second recess 121 and the first recess 111 may be different to meet the requirements of another fuel tank venting cap, and the specific structure may be designed according to practical needs.
In the embodiment of the utility model, in order to protect the cap T1 during the disassembly, the special tool further comprises a jacking gasket 5; the jacking gasket is made of rigid materials, is annular, is positioned between the thread wrench 2 and the cap T1, and can be sleeved on the outer surface of the hollow plug T2; at this time, the inner diameter of the jacking gasket 5 is larger than the maximum outer diameter of the hollow plug T2 and smaller than the outer diameter of the end face of the cap T1 facing the end of the hollow plug T2 and the inner diameter of the screw wrench 2; the outer diameter of the jacking washer 5 is larger than the inner diameter of the screw wrench 2 to ensure that the jacking washer 5 does not fall into the tube of the screw wrench 2.
The specific steps of the using process of the special tool in the embodiment of the utility model are as follows:
the first stage: the threaded jacking screw rod 1 and the rotary thread spanner 2 are installed to the position which is overlapped as much as possible, a small amount of thread anti-biting agent such as molybdenum disulfide is smeared between the threaded jacking screw rod 1 and the rotary thread spanner 2, then the installation direction is selected according to the size of the external thread below the hollow plug T2, the threaded jacking screw rod 1 is rotated through the first handle 3, the internal thread of the first groove 111 in the threaded jacking screw rod 1 is in threaded connection with the external thread arranged on the outer surface of the hollow plug T2, and the threaded jacking screw rod 1 is fixed with the hollow plug T2;
and a second stage: the second handle 4 rotates the thread spanner 2 to enable the thread spanner 2 to move along the axial direction away from the threaded top screw rod 1, after the thread spanner 2 contacts with the cap T1, the cap T1 is slowly jacked to move away from the threaded top screw rod 1, and the cap T1 is separated from the hollow plug T2.
The embodiment of the utility model has the following beneficial effects:
the special tool comprises the threaded jacking screw rod and the threaded spanner, the internal thread in the threaded jacking screw rod is in threaded connection with the external thread of the hollow plug by rotating the threaded jacking screw rod, after the threaded jacking screw rod is fixed with the hollow plug, the threaded spanner is rotated, so that the threaded spanner is sleeved on the outer surface of the hollow plug and moves away from the threaded jacking screw rod along the axial direction, and after the end face of the threaded spanner is contacted with the end face of the cap, the cap is jacked to move away from the threaded jacking screw rod, so that the cap is separated from the hollow plug, the special tool has a simple structure and is convenient to operate, the cap and the hollow plug can be rapidly and thoroughly separated, and therefore, a vent gap is thoroughly cleaned, and the failure of the vent cap of the oil tank in the operation process is avoided.
The above disclosure is only a preferred embodiment of the present utility model, and it is needless to say that the scope of the utility model is not limited thereto, and therefore, the equivalent changes according to the claims of the present utility model still fall within the scope of the present utility model.
Claims (8)
1. A special tool for disassembling an oil tank ventilation cap, which is matched with an oil tank ventilation cap formed by a cap cover and a hollow plug, wherein the hollow plug is provided with external threads on the outer surface of one end far away from the cap cover in advance; the screw thread jacking device is characterized by comprising a screw thread jacking screw rod and a screw thread spanner; wherein, the liquid crystal display device comprises a liquid crystal display device,
the threaded jackscrew rod includes a first end and a second end; the end face of the first end is inwards recessed to form a first groove, and the outer surface of the first end is circumferentially surrounded to form a first boss; the inner wall of the first groove is provided with an internal thread, and the internal thread is in threaded connection fit with an external thread preset on the outer surface of the hollow plug; an external thread is arranged on the outer surface of the first boss;
the thread wrench is hollow and tubular, is sleeved on the outer surface of the threaded jacking screw rod, and is provided with an inner thread which is in threaded connection fit with an outer thread arranged on the first boss on the inner wall; the length of the internal thread of the thread wrench is longer than that of the external thread arranged on the first boss, and the thread wrench can extend out of the end face of the first end of the thread pushing screw rod after rotating for a certain length in a preset direction; the inner diameter of the thread wrench is larger than the maximum outer diameter of the hollow plug and smaller than the outer diameter of the end face of the cap facing one end of the hollow plug;
the screw thread pushing screw rod is rotated, the internal thread of the first groove in the screw thread pushing screw rod is in threaded connection with the external thread preset on the outer surface of the hollow plug, after the screw thread pushing screw rod is fixed with the hollow plug, the screw thread wrench is rotated, so that the screw thread wrench is sleeved on the outer surface of the hollow plug and moves along the axial direction away from the screw thread pushing screw rod, and after the end face of the screw thread wrench contacts with the end face of the cap, the cap is jacked to move away from the screw thread pushing screw rod, and the cap is separated from the hollow plug.
2. The special tool for disassembly of a venting cap of an oil tank of claim 1, wherein the threaded top lead screw is further provided with a first handle; the first handle is fixed on the outer surface of the middle part of the threaded jacking screw rod.
3. The special tool for disassembly of the vent cap of the oil tank according to claim 2, wherein the second end face of the threaded top screw rod is recessed inwards to form a second groove, and the outer surface of the second end is circumferentially surrounded to form a second boss; the inner wall of the second groove is provided with an internal thread, and the internal thread is in threaded connection fit with an external thread preset on the outer surface of the hollow plug; and an external thread is arranged on the outer surface of the second boss and is in threaded connection fit with an internal thread arranged on the inner wall of the thread wrench.
4. A special tool for disassembly of a venting cap of a fuel tank as claimed in claim 3, wherein the screw wrench is further provided with a second handle; wherein the second handle is fixed on the outer surface of the middle part of the thread wrench.
5. The special tool for disassembly of a venting cap of a fuel tank of claim 4, further comprising a jacking gasket; wherein, the liquid crystal display device comprises a liquid crystal display device,
the jacking gasket is annular, is positioned between the thread wrench and the cap and can be sleeved on the outer surface of the hollow plug;
the inner diameter of the jacking gasket is larger than the maximum outer diameter of the hollow plug and smaller than the outer diameter of the end face of the cap facing one end of the hollow plug and the inner diameter of the thread wrench; the outer diameter of the jacking gasket is larger than the inner diameter of the thread wrench.
6. The special tool for tank vent cap disassembly of claim 5, wherein the predetermined direction is either clockwise or counterclockwise.
7. The special tool for disassembling a vent cap of an oil tank according to claim 6, wherein the screw wrench, the threaded jacking screw and the jacking gasket are all made of rigid materials.
8. The special tool for disassembly of a venting cap of an oil tank of claim 7, wherein the first handle and the second handle are both fixed by threaded connection and are both made of rigid materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320277298.5U CN219485528U (en) | 2023-02-22 | 2023-02-22 | Special tool for disassembling ventilation cap of oil tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320277298.5U CN219485528U (en) | 2023-02-22 | 2023-02-22 | Special tool for disassembling ventilation cap of oil tank |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219485528U true CN219485528U (en) | 2023-08-08 |
Family
ID=87482521
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320277298.5U Active CN219485528U (en) | 2023-02-22 | 2023-02-22 | Special tool for disassembling ventilation cap of oil tank |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219485528U (en) |
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2023
- 2023-02-22 CN CN202320277298.5U patent/CN219485528U/en active Active
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