Anti-blocking aviation hydraulic system oil distribution cover

Abstract

The utility model discloses a prevent aviation hydraulic system oil distribution cover of type, including oil distribution cover body, the middle part is equipped with oil distribution hole, and the bottom of oil distribution hole links installation plate, and the through -hole and matched rotating cover of oil distribution hole middle part correspondence are equipped with, and there is inner bushing pipe in oil distribution hole, and the fixed assembly is installed in the ring groove of inner bushing pipe top, and the filter assembly is installed on fixed assembly, fixed assembly contains fixed installation ring on inner bushing pipe, and its extension has installation sleeve, and the filter assembly contains the docking sleeve ring and the closed filter screen fixed on it, and the filter screen filter hole is adapted hydraulic operation direction, can effectively intercept the impurity and prevent the blockage, fixed assembly and filter assembly are through the docking installation block and arc -shaped groove rotation joint, and fixed assembly is through the press rotation locking of the insertion block and the limiting locking assembly, realizes convenient dismounting, and this oil distribution cover can guarantee the unobstructed of hydraulic system, reduces the wear and tear of part, prolongs the life.

Description

Technical Field

[0001] This utility model specifically relates to an anti-clogging type oil distribution cover for aviation hydraulic systems. Background Technology

[0002] The aviation hydraulic system is a core power transmission system that enables aircraft to perform critical functions such as flight control, landing gear retraction and extension, and door actuation. Its reliability is directly related to flight safety. As an important component of the aviation hydraulic system, the oil distributor cap is mainly used to distribute the high-pressure hydraulic oil output from the hydraulic pump to various actuators as needed. The unobstructed flow of its internal channels is a prerequisite for ensuring accurate hydraulic oil distribution and efficient system operation.

[0003] In the actual operation of aviation hydraulic systems, impurities inevitably mix into the hydraulic fluid. These impurities mainly originate from the following aspects: first, metal shavings and sealing material particles remaining from the system assembly process; second, colloidal deposits generated by oxidation and aging of the hydraulic oil during long-term circulation; and third, metal powder or non-metallic wear debris generated by wear of hydraulic components during relative motion. If these impurities enter the internal flow channels of the distributor cap with the hydraulic oil, especially at the inlet of the distributor cap or at throttling points such as flow channel corners, they can easily cause blockages due to impurity accumulation.

[0004] If the hydraulic distributor cap becomes clogged, it will directly lead to a decrease in hydraulic oil distribution efficiency, and may even result in insufficient oil supply to some actuators, causing problems such as slow response and insufficient power output. In severe cases, it may cause the failure of critical functions, posing a significant threat to flight safety. In addition, a clogged distributor cap will cause an abnormal increase in local pressure in the system, which may accelerate the fatigue damage of hydraulic components, shorten the service life of the system, and increase maintenance costs.

[0005] Therefore, it is necessary to invent an anti-clogging type oil distributor cap for aviation hydraulic systems to solve the above problems. Utility Model Content

[0006] (a) Purpose of the utility model

[0007] To address the technical problems existing in the background art, this utility model proposes an anti-clogging type oil distributor cover for aviation hydraulic systems, which can prevent the oil distributor cover from becoming clogged.

[0008] (II) Technical Solution

[0009] To achieve the above objectives, this utility model provides the following technical solution: an anti-clogging type oil distribution cover for an aviation hydraulic system, comprising an oil distribution cover body for an aviation hydraulic system, an oil distribution hole in the middle of the oil distribution cover body, an installation plate connected to the bottom of the oil distribution hole, a through hole in the middle of the installation plate corresponding to the oil distribution hole, and a matching rotating cover at the through hole.

[0010] The oil separator hole is provided with an inner liner sleeve, the top of the inner liner sleeve is provided with an annular groove, a fixing component is installed in the annular groove, and a filter component is installed on the fixing component;

[0011] The fixing component includes a fixing ring mounted on the inner liner sleeve, with a mounting sleeve extending from the fixing ring, and the filter component mounted on the mounting sleeve.

[0012] The filter assembly includes a docking collar and a filter screen fixed thereon, the docking collar being connected to the mounting sleeve.

[0013] Preferably, the annular groove opening is provided with limiting rings on both sides, and each of the limiting rings on both sides is provided with multiple sets of insertion holes. The bottom of the annular groove is provided with an installation groove below the insertion holes. A limiting locking component is installed in the installation groove. The limiting locking component cooperates to install the fixed installation ring, and the bottom edge of the fixed installation ring is provided with insertion blocks that match the insertion holes on both sides.

[0014] Preferably, the limiting locking assembly includes a locking block disposed inside the mounting groove. Multiple compression springs are installed between the bottom of the locking block and the bottom of the mounting groove. Multiple grooves are provided on the top of the locking block, and ball bearings are installed in each of the multiple grooves. The locking block rebounds to the insertion port, and the ball bearings are placed at the bottom of the insertion block. The fixing mounting ring is installed in the ring groove and presses the limiting locking assembly. After moving downward, it rotates to lock. The limiting locking assembly is unlocked by an external connecting component.

[0015] Preferably, the inner side of the top of the mounting sleeve is provided with multiple arc-shaped grooves, which are concentrically arranged and matched with the docking collar. The bottom of the docking collar is provided with a docking mounting block that matches the arc-shaped groove. The shape of the docking mounting block matches the arc-shaped groove, and a rotating slot is provided between adjacent docking mounting blocks. The docking mounting block is inserted into the arc-shaped groove and rotates, and the rotating slot is engaged with one side of the arc-shaped groove.

[0016] Preferably, the filter screen is installed in a closed manner on the docking collar, the filter screen is provided with multiple filter holes, and the installation direction of the filter screen is consistent with the operating direction of the hydraulic system.

[0017] Compared with the prior art, the beneficial effects of the above-mentioned technical solution of this utility model are:

[0018] 1. This utility model uses a closed-type filter screen with multiple filter holes to effectively intercept impurities in hydraulic oil. The filter screen is installed in the same direction as the hydraulic system, which not only follows the oil flow path to reduce resistance, but also specifically intercepts impurities, preventing them from entering the oil distribution hole and causing blockage. At the same time, the closed design prevents impurities from wrapping around the filter screen, significantly improving the anti-clogging effect and ensuring the continuous and smooth operation of the hydraulic system.

[0019] 2. The structure design of the filter screen in this utility model can reduce the obstruction of oil flow while filtering efficiently, ensuring stable filtration effect. With the fixed components and filter components firmly installed, the filter screen can be prevented from shifting due to vibration and other factors, continuously intercepting impurities, reducing the wear of impurities on the internal components of the hydraulic system, and extending the overall service life of the system.

[0020] 3. The filter assembly and the fixing assembly of this utility model are connected by a rotating snap-fit ​​structure of "dating mounting block - arc groove". The fixing assembly is installed by a pressing and rotating locking method of "insertion block - limit locking assembly". Both can be quickly disassembled and installed without complicated tools, which facilitates regular cleaning or replacement of the filter screen, reduces maintenance difficulty, reduces downtime maintenance time, and improves maintenance efficiency. Attached Figure Description

[0021] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in this utility model. For those skilled in the art, other drawings can be obtained based on these drawings.

[0022] Figure 1 This is a schematic diagram of the overall structure of the present invention. Figure 1 ;

[0023] Figure 2 This is a schematic diagram of the overall structure of the present invention. Figure 2 ;

[0024] Figure 3 This is a schematic diagram of the internal structure of the oil distribution hole of this utility model;

[0025] Figure 4 This is a schematic diagram showing the overall disassembled structure of the fixing component and the filtering component of this utility model;

[0026] Figure 5 This is a schematic diagram of the overall installation structure of the limiting and locking component of this utility model.

[0027] Explanation of reference numerals in the attached figures:

[0028] 1. Oil distributor cap body; 11. Oil distributor hole; 12. Inner liner sleeve; 13. Annular groove; 14. Limiting ring; 15. Insertion port; 16. Mounting groove; 2. Mounting plate; 21. Through hole; 22. Rotating cover; 3. Fixing assembly; 31. Fixing mounting ring; 32. Mounting sleeve; 33. Insertion block; 34. Arc groove; 4. Filter assembly; 41. Connecting collar; 42. Filter screen; 43. Connecting mounting block; 44. Rotating groove; 45. Filter hole; 5. Limiting and locking assembly; 51. Locking block; 52. Compression spring; 53. Groove; 54. Ball bearing. Detailed Implementation

[0029] To enable those skilled in the art to better understand the technical solution of this utility model, the present utility model will be further described in detail below with reference to the accompanying drawings.

[0030] This utility model provides, for example Figure 1-5 The oil distribution cover of the anti-clogging aviation hydraulic system shown includes an oil distribution cover body 1 for the aviation hydraulic system. An oil distribution hole 11 is provided in the middle of the oil distribution hole 11. An installation plate 2 is connected to the bottom of the oil distribution hole 11. A through hole 21 is provided in the middle of the installation plate 2 corresponding to the oil distribution hole 11, and a matching rotating cover 22 is provided at the through hole 21.

[0031] Specifically, an inner liner 12 is provided inside the oil distribution hole 11, and an annular groove 13 is provided at the top of the inner liner 12. A fixing component 3 is installed in the annular groove 13, and a filter component 4 is installed on the fixing component 3.

[0032] Specifically, the fixing component 3 includes a fixing mounting ring 31 mounted on the inner liner sleeve 12, and a mounting sleeve 32 extending from the fixing mounting ring 31, and the filter component 4 is mounted on the mounting sleeve 32;

[0033] Specifically, the filter assembly 4 includes a docking collar 41 and a filter screen 42 fixed thereon, and the docking collar 41 is connected to the mounting sleeve 32.

[0034] In this embodiment, the oil distributor cover body 1 serves as a basic component. The oil distributor hole 11 in its middle is used for hydraulic oil flow. The mounting plate 2 connected to the bottom corresponds to the oil distributor hole 11 through the middle through hole 21. The rotating cover 22 at the through hole 21 can realize the opening and closing control of the through hole 21. An inner liner sleeve 12 is installed inside the oil distributor hole 11 to provide a mounting base for subsequent components.

[0035] Reference Figure 4-5Limiting rings 14 are provided on both sides of the groove opening of the annular groove 13. Multiple sets of insertion holes 15 are provided on both sides of the limiting rings 14. The bottom of the annular groove 13 is provided with an installation groove 16 below the insertion holes 15. A limiting locking component 5 is installed in the installation groove 16. The limiting locking component 5 is used to install and fix the installation ring 31. The bottom edge of the fixed installation ring 31 is provided with insertion blocks 33 that match the insertion holes 15 on both sides.

[0036] Specifically, the limiting locking component 5 includes a locking block 51 disposed inside the mounting groove 16. Multiple compression springs 52 are installed between the bottom of the locking block 51 and the bottom of the mounting groove 16. Multiple grooves 53 are provided on the top of the locking block 51. Each groove 53 contains a ball bearing 54. The locking block 51 rebounds to the insertion port 15. The ball bearing 54 is placed at the bottom of the insertion block 33. The fixing mounting ring 31 is installed in the ring groove 13 and presses the limiting locking component 5. After moving downward, it rotates to lock. The limiting locking component 5 is unlocked by an external connecting component.

[0037] Specifically, the inner side of the top of the mounting sleeve 32 is provided with multiple arc-shaped grooves 34, which are concentrically arranged and matched with the mounting collar 41. The bottom of the mounting collar 41 is provided with a matching mounting block 43 that matches the arc-shaped groove 34. The shape of the mounting block 43 matches the arc-shaped groove 34, and a rotating slot 44 is provided between adjacent mounting blocks 43. The mounting block 43 is inserted into the arc-shaped groove 34 and rotates, and the rotating slot 44 is engaged with one side of the arc-shaped groove 34.

[0038] In this embodiment, the annular groove 13 at the top of the inner sleeve 12 is used to install the fixing component 3, and the limiting rings 14 on both sides of the groove opening of the annular groove 13 serve as limiting rings. The insertion blocks 33 on both sides of the bottom edge of the fixing ring 31 of the fixing component 3 are aligned with the insertion holes 15 on the limiting rings 14 and inserted. At this time, the insertion blocks 33 will press the limiting locking component 5 in the mounting groove 16 at the bottom of the annular groove 13. The locking block 51 is compressed downward by the pressure to the compression spring 52 at the bottom. After the fixing ring 31 moves downward to the appropriate position, it rotates, and the compression spring 52 rebounds, causing the locking block 51 to move upward to the insertion hole 15. The ball 54 in the groove 53 at the top of the locking block 51 is placed at the bottom of the insertion block 33, completing the locking installation of the fixing component 3.

[0039] Specifically, the filter screen 42 is enclosedly installed on the docking collar 41, and the filter screen 42 is provided with multiple filter holes 45. The installation direction of the filter screen 42 is consistent with the operating direction of the hydraulic system.

[0040] In this embodiment, the docking mounting block 43 at the bottom of the docking collar 41 of the filter assembly 4 is aligned with the arc-shaped groove 34 on the inner side of the top of the mounting sleeve 32 in the fixing assembly 3 and inserted. Then, the docking collar 41 is rotated so that the rotating slot 44 between adjacent docking mounting blocks 43 is engaged with one side of the arc-shaped groove 34, thereby achieving a stable connection between the filter assembly 4 and the fixing assembly 3. At this time, the filter screen 42 is installed on the docking collar 41 in a closed state, and the installation direction is consistent with the operating direction of the hydraulic system.

[0041] In this embodiment, the limiting locking component 5 can firmly lock the fixing ring 31 in the ring groove 13 by the elastic force of the compression spring 52 and the support of the ball 54, so that the fixing component 3 will not loosen even in complex environments such as vibration of aviation hydraulic system; the filter component 4 and the fixing component 3 are connected by the rotation of the docking mounting block 43 and the arc groove 34, which further improves the stability of the overall structure.

[0042] Specifically, the multiple filter holes 45 on the closed-type filter screen 42 can effectively intercept impurities in the hydraulic oil, and its installation direction is consistent with the operating direction of the hydraulic system. This reduces the resistance to the flow of hydraulic oil, effectively intercepts impurities, avoids clogging of the oil distribution hole 11, and ensures the smooth operation of the hydraulic system.

[0043] Specifically, when it is necessary to disassemble the fixing component 3, the fixing component 3 can be easily removed by unlocking the limiting locking component 5 with the external connecting component; the filter component 4 can be disassembled by rotating the docking collar 41 to make the docking mounting block 43 exit from the arc groove 34. The whole process does not require complicated tools, which greatly reduces the difficulty of maintenance and saves maintenance time.

[0044] The foregoing description only illustrates certain exemplary embodiments of the present invention. Undoubtedly, those skilled in the art can modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the above drawings and descriptions are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.

Claims

1. A clog-resistant oil distributor cap for an aviation hydraulic system, characterized in that: The system includes an oil distribution cover body (1) for an aviation hydraulic system. The oil distribution cover body (1) has an oil distribution hole (11) in the middle. The bottom of the oil distribution hole (11) is connected to an installation plate (2). The middle of the installation plate (2) is provided with a through hole (21) corresponding to the oil distribution hole (11), and a matching rotating cover (22) is provided at the through hole (21). The oil separator (11) is provided with an inner liner (12), the top of the inner liner (12) is provided with an annular groove (13), a fixing component (3) is installed in the annular groove (13), and a filter component (4) is installed on the fixing component (3). The fixing component (3) includes a fixing mounting ring (31) mounted on the inner liner sleeve (12), and a mounting sleeve (32) extends from the fixing mounting ring (31), and the filter component (4) is mounted on the mounting sleeve (32); The filter assembly (4) includes a docking collar (41) and a filter screen (42) fixed thereon, the docking collar (41) being connected to the mounting sleeve (32).

2. The anti-clogging type oil distributor cap for aviation hydraulic systems according to claim 1, characterized in that: The annular groove (13) has a limiting ring (14) on both sides of the groove opening. Each of the limiting rings (14) on both sides has a set of insertion ports (15). The bottom of the annular groove (13) is provided with an installation groove (16) below the insertion ports (15). A limiting locking component (5) is installed in the installation groove (16). The limiting locking component (5) is used to install the fixed installation ring (31). The fixed installation ring (31) has insertion blocks (33) matching the insertion ports (15) on both sides of its bottom edge.

3. The anti-clogging type oil distributor cap for an aviation hydraulic system according to claim 2, characterized in that: The limiting locking component (5) includes a locking block (51) disposed inside the mounting groove (16). Multiple compression springs (52) are installed between the bottom of the locking block (51) and the bottom of the mounting groove (16). Multiple grooves (53) are provided on the top of the locking block (51). Ball bearings (54) are installed in each of the multiple grooves (53). The locking block (51) rebounds to the insertion port (15). The ball bearings (54) are placed at the bottom of the insertion block (33). The fixed mounting ring (31) is installed in the ring groove (13) and presses the limiting locking component (5). After moving downward, it rotates to lock. The limiting locking component (5) is unlocked by an external connecting component.

4. The anti-clogging type oil distributor cap for aviation hydraulic systems according to claim 1, characterized in that: The mounting sleeve (32) has multiple arc-shaped grooves (34) on its inner top side. The multiple arc-shaped grooves (34) are concentrically arranged and the arc-shaped grooves (34) are matched to the docking collar (41). The bottom of the docking collar (41) is provided with a docking mounting block (43) that matches the arc-shaped groove (34). The shape of the docking mounting block (43) matches the arc-shaped groove (34), and a rotating slot (44) is provided between adjacent docking mounting blocks (43). The docking mounting block (43) is inserted into the arc-shaped groove (34) and rotates. The rotating slot (44) is engaged with one side of the arc-shaped groove (34).

5. The anti-clogging type oil distributor cap for an aviation hydraulic system according to claim 1, characterized in that: The filter screen (42) is installed in a closed manner on the docking collar (41). The filter screen (42) is provided with multiple filter holes (45). The installation direction of the filter screen (42) is consistent with the operating direction of the hydraulic system.

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