A sealed mounting structure of a power steering oil tank body upper sight glass

Abstract

The utility model relates to power steering oil tank technical field especially relates to a kind of sealing installation structure of sight glass on power steering oil tank body;It includes the installation through-hole being set on the side of tank body, fixedly connected in installation through-hole sight glass cover and installed on the sight glass cover sight glass frame, the end of sight glass frame far from installation through-hole is detachably connected with end cap, end cap middle part is equipped with visible through-hole, end cap is located the end far from installation through-hole of visible through-hole and is equipped with inner baffle, visible mirror is installed in visible through-hole, and first sealing washer is equipped between visible mirror and inner baffle, second sealing washer is equipped between visible mirror and the end surface of sight glass frame;The utility model is improved to prior art, by setting end cap and sight glass frame as detachable connection, when visible mirror appears breakage or dirt, end cap can be removed, visible mirror is replaced or cleaned alone, without replacing entire sight glass, effectively reduce use cost.

Description

Technical Field

[0001] This utility model relates to the field of power steering tank technology, and in particular to a sealed installation structure for the upper viewing mirror of a power steering tank. Background Technology

[0002] The purpose of the power steering fluid reservoir is to provide power steering fluid to the power steering system, cool the fluid, and filter impurities from the system through fluid circulation. This ensures that the driver can easily operate the steering wheel through the power steering system, reducing driver fatigue and enhancing driving comfort.

[0003] For example, Chinese utility model patent with publication number CN206592539U discloses a sealing installation structure for a sight glass on the tank body of a power steering oil tank. The sight glass and the sealing gasket are fixedly installed on the sight glass housing. When the sight glass is damaged or dirty, the entire sight glass can only be replaced, which is costly.

[0004] Therefore, it is necessary to improve upon the shortcomings of the existing technologies mentioned above. Summary of the Invention

[0005] The technical problem to be solved by this utility model is to provide a sealed installation structure for the sight glass on the tank body of the power steering oil tank, which addresses the shortcomings of the prior art. In the prior art, the sight glass and sealing gasket on the sight glass are fixedly installed on the sight glass housing. When the sight glass is damaged or dirty, the entire sight glass can only be replaced, which is costly.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a sealed installation structure for a sight glass on the tank body of a power steering oil tank, comprising an installation through hole on the side of the tank body, a sight glass sleeve fixedly connected in the installation through hole, and a sight glass frame installed on the sight glass sleeve. An end cap is detachably connected to the end of the sight glass frame away from the installation through hole. A viewing through hole is provided in the middle of the end cap. An inner flange is provided at the end of the end cap located away from the installation through hole. A viewing lens is installed in the viewing through hole. A first sealing gasket is provided between the viewing lens and the inner flange. A second sealing gasket is provided between the viewing lens and the end face of the sight glass frame.

[0007] By adopting the above technical solution, the end cap and the viewing lens frame are made detachable. When the viewing lens is damaged or dirty, the end cap can be removed to replace or clean the viewing lens separately without replacing the entire viewing lens, which effectively reduces the cost of use. At the same time, the first and second sealing gaskets can seal the gap between the viewing lens and the end cap and the viewing lens frame to prevent oil leakage.

[0008] A further provision of the above technical solution is that: the end cap is provided with a first internal thread on the inner circumferential surface near the viewing frame, and the end of the viewing frame near the end cap is provided with a first external thread that mates with the first internal thread.

[0009] By adopting the above technical solution, the end cap and the viewing frame are detachably connected through the cooperation of the first internal thread and the first external thread. This threaded connection method has a simple structure, is easy to disassemble and install, and has a stable connection.

[0010] A further provision of the above technical solution is as follows: a filter sleeve is slidably connected inside the sight glass frame; a filter screen is installed at one end of the filter sleeve away from the end cap, and a first outer flange is provided at the other end; a third sealing gasket is provided on the filter sleeve between the first outer flange and the end face of the sight glass frame; one side of the third sealing gasket abuts against the first outer flange, and the other side abuts against the end face of the sight glass frame; the side of the first outer flange away from the filter screen abuts against a second sealing gasket.

[0011] Using the above technical solution, the filter screen on the filter sleeve can filter impurities in the oil, which can slow down the dirt accumulation of the sight glass to ensure the visibility effect and reduce the maintenance frequency; the filter sleeve is slidably connected to the sight glass frame, making it easy to remove the filter sleeve for cleaning or replacement of the filter screen; the third sealing gasket can prevent oil from leaking from the gap between the filter sleeve and the sight glass frame, ensuring the sealing effect.

[0012] A further provision of the above technical solution is as follows: the inner circumferential surface of the sight glass sleeve is provided with a second internal thread, the sight glass frame is provided with an axially extended portion, the outer circumferential surface of the extended portion is provided with a second external thread that mates with the second internal thread, the sight glass sleeve is provided with an annular groove near one end of the sight glass frame, a fourth sealing gasket is installed in the annular groove, and the sight glass frame is provided with a hexagonal portion between the first external thread and the second external thread, the end face of the hexagonal portion being able to abut against the fourth sealing gasket.

[0013] The above technical solution achieves the connection between the sight glass frame and the sight glass sleeve through the cooperation of the second internal thread and the second external thread, which is reliable and easy to disassemble; the hexagonal part makes it easy to rotate the sight glass frame with tools, making installation and disassembly easier; the fourth sealing gasket deforms under the compression of the hexagonal part, which can effectively seal the gap between the sight glass frame and the sight glass sleeve, further preventing power oil leakage.

[0014] A further provision of the above technical solution is that the first sealing gasket, the second sealing gasket, the third sealing gasket, and the fourth sealing gasket are all made of elastic rubber material.

[0015] Using the above technical solution, the rubber material has good elasticity and sealing properties. When compressed, it can tightly fit the contact surface, effectively fill the gap, and improve the sealing performance. At the same time, it can play a certain role in preventing loosening of the threaded connection between the end cap, the sight glass frame, and the sight glass sleeve. In addition, the rubber material has good oil resistance, can adapt to the environment of power oil, and extend the service life of the sealing gasket.

[0016] A further provision of the above technical solution is as follows: a second outer flange is provided on the outer peripheral surface of the sight glass sleeve near the sight glass frame end; an installation groove is provided on the outer peripheral side of the mounting through hole on the side of the tank body; the second outer flange can be inserted into the installation groove and abut against the bottom of the installation groove; the second outer flange and the installation groove are fixedly connected to the tank body by welding.

[0017] Using the above technical solution, the second outer flange is inserted into the installation groove and abuts against the bottom of the groove, which can play a positioning role in the installation of the lens sleeve and ensure the accuracy of the installation position; the lens sleeve and the tank are fixed by welding, and the connection is firm and reliable.

[0018] The beneficial effects achieved by this utility model are: by setting the end cap and the viewing lens frame to be detachably connected, when the viewing lens is damaged or dirty, the end cap can be removed to replace or clean the viewing lens separately, without having to replace the entire viewing lens, which effectively reduces the cost of use. Attached Figure Description

[0019] Figure 1 This is a schematic diagram of the structure of this utility model installed on the tank body according to an embodiment;

[0020] Figure 2 This is an exploded structural diagram of an embodiment of the present invention;

[0021] Figure 3 This is a cross-sectional view of an embodiment of the present utility model;

[0022] Figure 4 This is a schematic diagram of the end cap structure in an embodiment of this utility model;

[0023] Figure 5 This is a schematic diagram of the structure of the filter sleeve in an embodiment of this utility model.

[0024] The markings in the diagram are as follows: 1. Tank body; 11. Mounting through hole; 12. Mounting groove; 2. Sight glass sleeve; 21. Second internal thread; 22. Annular groove; 23. Second outer flange; 3. Sight glass frame; 31. First external thread; 32. Protrusion; 33. Second external thread; 34. Hexagonal part; 4. End cap; 41. Visible through hole; 42. Inner flange; 43. First internal thread; 5. Visible lens; 6. First sealing gasket; 7. Second sealing gasket; 8. Filter sleeve; 81. Filter screen; 82. First outer flange; 9. Third sealing gasket; 10. Fourth sealing gasket. Detailed Implementation

[0025] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0026] like Figure 1-4 As shown, a sealing installation structure for a sight glass on a power steering tank includes a mounting through hole 11 on the side of the tank body 1, a sight glass sleeve 2 fixedly connected in the mounting through hole 11, and a sight glass frame 3 mounted on the sight glass sleeve 2. An end cap 4 is detachably connected to the end of the sight glass frame 3 away from the mounting through hole 11. A viewing through hole 41 is provided in the middle of the end cap 4. An inner flange 42 is provided at the end of the end cap 4 located away from the mounting through hole 11. A viewing lens 5 is installed in the viewing through hole 41. A first sealing gasket 6 is provided between the viewing lens 5 and the inner flange 42. A second sealing gasket 7 is provided between the viewing lens 5 and the end face of the sight glass frame 3.

[0027] like Figure 2-4 As shown, the end cap 4 has a first internal thread 43 on its inner circumferential surface near the viewing frame 3, and the viewing frame 3 has a first external thread 31 that mates with the first internal thread 43 at one end near the end cap 4. The end cap 4 and the viewing frame 3 are detachably connected through the threaded engagement.

[0028] like Figure 2-5 As shown, a filter sleeve 8 is slidably connected inside the viewing frame 3. A filter screen 81 is installed at one end of the filter sleeve 8 away from the end cap 4, and a first outer flange 82 is provided at the other end. A third sealing gasket 9 is provided on the outer sleeve of the filter sleeve 8 between the first outer flange and the end face of the viewing frame 3. One side of the third sealing gasket 9 abuts against the first outer flange 82, and the other side abuts against the end face of the viewing frame 3. The side of the first outer flange 82 away from the filter screen 81 abuts against the second sealing gasket 7. The filter sleeve 8 can slide along the axial direction of the viewing frame 3 for easy removal.

[0029] like Figure 2 , 3 As shown, the inner circumferential surface of the sight glass sleeve 2 is provided with a second internal thread 21, the sight glass frame 3 is provided with an axially extended portion 32, and the outer circumferential surface of the extended portion 32 is provided with a second external thread 33 that mates with the second internal thread 21. The end of the sight glass sleeve 2 near the sight glass frame 3 is provided with an annular groove 22, and a fourth sealing gasket 10 is installed in the annular groove 22. The sight glass frame 3 is provided with a hexagonal portion 34 between the first external thread 31 and the second external thread 33. The end face of the hexagonal portion 34 can abut against the fourth sealing gasket 10. By using a wrench or other tools to rotate the hexagonal portion 34, the sight glass frame 3 can be rotated, thereby realizing the installation and removal between the sight glass sleeve 2 and the sight glass sleeve 2.

[0030] like Figure 2 , 3 As shown, the first sealing gasket 6, the second sealing gasket 7, the third sealing gasket 9, and the fourth sealing gasket 10 are all made of elastic rubber material. The rubber material can deform under pressure to ensure the sealing effect and at the same time play a certain role in preventing loosening.

[0031] like Figure 1-3 As shown, a second outer flange 23 is provided on the outer peripheral surface of the sight glass sleeve 2 near the sight glass frame 3. An installation groove 12 is provided on the outer peripheral side of the mounting through hole 11 on the side of the tank body 1. The second outer flange 23 can be inserted into the installation groove 12 and abut against the bottom of the groove 12. The second outer flange 23 and the installation groove 12 are fixedly connected to the sight glass sleeve 2 on the tank body 1 by welding. After welding, the connection is firm and not easy to loosen.

[0032] In the above embodiments, when the viewing lens 5 is damaged or dirty, the end cap 4 can be unscrewed to remove the viewing lens 5 for replacement or cleaning, which solves the problem of high cost caused by the need to replace the entire viewing lens in the prior art; the setting of multiple sealing gaskets, especially the sealing gaskets made of rubber, ensures the good sealing performance of the viewing lens installation structure, prevents power oil leakage, ensures the sealing performance and reliability of the entire structure, and reduces maintenance costs.

Claims

1. A sealed mounting structure for a sight glass on a power steering tank body, comprising a mounting through hole (11) on the side of the tank body (1), a sight glass sleeve (2) fixedly connected in the mounting through hole (11), and a sight glass bracket (3) mounted on the sight glass sleeve (2), characterized in that: An end cap (4) is detachably connected to one end of the viewing frame (3) away from the mounting through hole (11). The end cap (4) has a viewing through hole (41) in the middle. The end cap (4) has an inner flange (42) at the end of the viewing through hole (41) away from the mounting through hole (11). A viewing lens (5) is installed in the viewing through hole (41). A first sealing gasket (6) is provided between the viewing lens (5) and the inner flange (42). A second sealing gasket (7) is provided between the viewing lens (5) and the end face of the viewing frame (3).

2. The sealing installation structure for the sight glass on the tank body of a power steering oil tank according to claim 1, characterized in that: The end cap (4) has a first internal thread (43) on its inner circumferential surface near the viewing frame (3), and the viewing frame (3) has a first external thread (31) that mates with the first internal thread (43) at one end near the end cap (4).

3. The sealing installation structure for the upper sight mirror of a power steering tank body according to claim 2, characterized in that: A filter sleeve (8) is slidably connected inside the viewing frame (3). A filter screen (81) is installed at one end of the filter sleeve (8) away from the end cap (4), and a first outer flange (82) is provided at the other end. A third sealing gasket (9) is provided on the outer sleeve of the filter sleeve (8) between the first outer flange and the end face of the viewing frame (3). One side of the third sealing gasket (9) abuts against the first outer flange (82), and the other side abuts against the end face of the viewing frame (3). The side of the first outer flange (82) away from the filter screen (81) abuts against the second sealing gasket (7).

4. The sealing installation structure for the sight glass on the tank body of a power steering oil tank according to claim 3, characterized in that: The inner circumferential surface of the sight glass sleeve (2) is provided with a second internal thread (21), the sight glass frame (3) is provided with an axial extension (32), the outer circumferential surface of the extension (32) is provided with a second external thread (33) that mates with the second internal thread (21), the end of the sight glass sleeve (2) near the sight glass frame (3) is provided with an annular groove (22), a fourth sealing gasket (10) is installed in the annular groove (22), the sight glass frame (3) is provided with a hexagonal part (34) between the first external thread (31) and the second external thread (33), and the end face of the hexagonal part (34) can abut against the fourth sealing gasket (10).

5. The sealing installation structure for the upper sight mirror of a power steering tank body according to claim 4, characterized in that: The first sealing gasket (6), the second sealing gasket (7), the third sealing gasket (9) and the fourth sealing gasket (10) are all made of elastic rubber material.

6. A sealing installation structure for a power steering tank upper sight mirror according to any one of claims 1-5, characterized in that: The outer peripheral surface of the sight glass sleeve (2) near the sight glass frame (3) is provided with a second outer flange (23). The outer peripheral side of the mounting through hole (11) is provided with a mounting groove (12) on the side of the tank body (1). The second outer flange (23) can be inserted into the mounting groove (12) and abut against the bottom of the mounting groove (12). The second outer flange (23) and the mounting groove (12) are fixedly connected to the tank body (1) by welding.

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