Transfer case lubricating device

Abstract

The utility model discloses a transfer case lubricating device which comprises a transfer case body, a bearing seat is installed at the output end of the transfer case body, a bearing cover is arranged on one side of the bearing seat, a filter screen ring is embedded in the bearing cover in parallel, and a cleaning brush is fixedly connected to the bottom end in a cavity of the bearing cover. The bottom end of the bearing cover is connected with an impurity removal trapezoidal cavity in a penetrating manner; through the filtering effect of the filter screen ring on lubricating oil, the situation that the service life of equipment is affected by abrasion increase caused by the fact that impurity particles enter the equipment is avoided, and self-cleaning can be carried out under the condition that the whole equipment is not disassembled through the half-edge reciprocating rotation mode of the filter screen ring and the cleaning brush in a matched mode.

Description

Technical Field

[0001] The utility model relates to the technical field of lubrication equipment, in particular to a transfer case lubrication device. Background Art

[0002] The transfer case is a key component in four-wheel drive or all-wheel drive vehicles. It is responsible for distributing the engine's power to the front and rear wheels to provide better traction and handling performance. The transfer case lubrication device is an important system to ensure that the internal components of the transfer case are fully lubricated and cooled during operation. The good working condition of the lubrication device is crucial to the life and performance of the transfer case.

[0003] The utility model patent with announcement number CN206257257U discloses a transfer case lubrication device, including a bearing cover and a bearing seat, wherein the bearing cover and the bearing seat are provided with an oil passage connected to the interior of the transfer case, the oil passage of the bearing cover includes a threaded hole on a flange and an oil hole on a sleeve, a first guide groove connected to the threaded hole is provided on the inner end surface of the flange, and a second guide groove connected to the oil hole is provided on the outer peripheral surface of the sleeve, and the first guide groove and the second guide groove are partially overlapped. The utility model solves the problem of the existing transfer case lubrication oil passage being blocked; however, the transfer case lubrication device still has shortcomings: no filtering self-cleaning structure is provided at the oil inlet and inside thereof, resulting in the oil pump introducing the lubricating oil into the internal structure and delivering mixed impurities to the interior of the transfer case together, and the impurities mixed in not only reduce the lubrication effect, but also act as abrasives between moving parts, accelerate the wear of parts, and affect the service life of the equipment. Utility Model Content

[0004] The purpose of the utility model is to provide a transfer case lubrication device to solve the problem that the oil inlet and the interior of the transfer case lubrication device are not provided with a filtering self-cleaning structure, resulting in the oil pump introducing the lubricating oil into the internal structure and delivering mixed impurities into the transfer case, and the impurities mixed in not only reduce the lubrication effect, but also act as abrasives between moving parts, accelerate the wear of parts, and affect the service life of the equipment.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a transfer case lubrication device, comprising: a transfer case body, a bearing seat is installed at the output end of the transfer case body, a bearing cover is arranged on one side of the bearing seat, a filter mesh ring is embedded in the bearing cover in parallel, a cleaning brush is fixedly connected to the bottom end of the inner part of the bearing cover cavity, and a trapezoidal cavity for removing impurities is connected through the bottom end of the bearing cover.

[0006] As a further solution of the utility model: a seat flange is provided on the outer fixed sleeve of the end of the bearing seat, a connecting piece is fixedly connected to one end of the bearing cover, and the connecting end of the bearing cover and the bearing seat is fixedly connected to the cover flange through two groups of symmetrical connecting pieces, and there is an annular gap with a certain distance between the cover flange and the bearing cover.

[0007] As a further solution of the utility model: a mounting bolt is passed through one end of the cover body flange, and the mounting bolts are arranged in several groups, and the several groups of mounting bolts all penetrate the seat body flange and the cover body flange to install the bearing cover.

[0008] As a further solution of the utility model: the bearing cover is configured as an annular cover structure with a certain thickness and an annular cavity is formed inside, a filter mesh ring is embedded in the bearing cover cavity near the outer side, an L-shaped sealing ring edge is fixedly connected to the outer side of the filter mesh ring, a rotating paddle is fixedly connected to one end of the outer side of the L-shaped sealing ring edge, and an L-shaped sealing ring groove is opened on the inner edge of the bearing cover.

[0009] As a further solution of the utility model: the number and specifications of the L-shaped sealing ring edge and the L-shaped sealing ring groove are adapted to each other, and the gap between the cover flange and the bearing cover allows the rotating paddle to be inserted and can be flexibly rotated on a plane.

[0010] As a further solution of the utility model: the cleaning brushes are provided in two groups, which are symmetrically arranged at the bottom end of the bearing cover cavity, and the impurity removal trapezoidal cavities are also provided in two groups, which are adapted to the positions of the two groups of cleaning brushes.

[0011] As a further solution of the utility model: the impurity removal trapezoidal cavity is arranged as a structure with a trapezoidal side section, so that the grease and impurities brushed off can flow down and be discharged by gravity, and an impurity removal sealing cover is arranged on one side of the two groups of impurity removal trapezoidal cavities.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] The filter mesh ring in the utility model is embedded between the bearing cover and the bearing seat through an L-shaped sealing ring edge and an L-shaped sealing ring groove with matching specifications, and seals the bearing cover, the cover flange and the filter mesh ring. The filter mesh ring filters the lubricating oil, thereby preventing foreign particles from entering the interior of the equipment, causing increased wear and affecting the service life of the equipment.

[0014] The annular gap between the cover flange and the bearing cover is used for the insertion of the rotating paddle and can also be flexibly rotated on the plane, which is convenient for the operator to paddle the filter ring to make reciprocating motion relative to the cleaning brush. The two sets of cleaning brushes cooperate with the half-side rotation of the filter ring to reciprocate and scrub the filtered grease and impurities, so that the impurities flow down with gravity and are automatically discharged through the inclined surface of the impurity discharge trapezoidal cavity and the opening of the impurity discharge sealing cover, avoiding the trouble of dismantling the overall structure for cleaning, thereby improving the cleaning efficiency and the service life of the equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of a transfer case lubrication device described in the utility model;

[0016] Figure 2 It is a structural schematic diagram of a bearing cover in a transfer case lubrication device described in the utility model;

[0017] Figure 3 It is a structural schematic diagram of a filter mesh ring in a transfer case lubrication device described in the utility model;

[0018] Figure 4 It is a structural schematic diagram of an L-shaped sealing ring edge in a transfer case lubrication device described in the utility model;

[0019] Figure 5 It is a structural schematic diagram of a cleaning brush in a transfer case lubrication device according to the utility model;

[0020] Figure 6 It is a structural schematic diagram of an L-shaped sealing ring groove in a transfer case lubrication device described in the utility model;

[0021] Figure 7 yes Figure 6 A schematic diagram of the enlarged structure at A in the middle;

[0022] Figure 8 The utility model is a schematic structural diagram of a debris removal sealing cover in a transfer case lubrication device.

[0023] In the figure: 1. transfer case body; 2. bearing seat; 3. bearing cover; 4. seat flange; 5. cover flange; 6. connecting piece; 7. filter ring; 8. L-shaped sealing ring edge; 9. rotating paddle; 10. L-shaped sealing ring groove; 11. cleaning brush; 12. debris removal trapezoidal cavity; 13. debris removal sealing cover; 14. mounting bolts. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] In the description of the present utility model, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, which are only for the convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific position, and therefore cannot be understood as a limitation of the present utility model. In addition, the terms "first", "second", and "third" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance. In the description of the present utility model, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", and "set" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected, or indirectly connected through an intermediate medium, or it can be the internal connection of two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances. The following is an explanation of the embodiments of the present utility model based on the overall structure of the present utility model.

[0026] Reference Figures 1 to 8 In an embodiment of the utility model, a transfer case lubrication device comprises: a transfer case body 1, a bearing seat 2 is installed at the output end of the transfer case body 1, a bearing cover 3 is arranged on one side of the bearing seat 2, a filter mesh ring 7 is embedded in the bearing cover 3 in parallel, a cleaning brush 11 is fixedly connected to the bottom end of the cavity of the bearing cover 3, and a trapezoidal cavity 12 for removing impurities is connected through the bottom end of the bearing cover 3.

[0027] Reference Figure 2 , Figure 3 and Figure 6 A seat flange 4 is fixedly sleeved on the outer side of the end of the bearing seat 2, a connecting piece 6 is fixedly connected to one end of the bearing cover 3, and a cover flange 5 is fixedly connected to the connecting end of the bearing cover 3 and the bearing seat 2 through two groups of symmetrical connecting pieces 6, and there is a certain spacing annular gap between the cover flange 5 and the bearing cover 3, and a mounting bolt 14 is penetrated at one end of the cover flange 5, and the mounting bolts 14 are arranged in several groups, and several groups of mounting bolts 14 all penetrate the seat flange 4 and the cover flange 5 to install the bearing cover 3.

[0028] The above solution is adopted: the cover flange 5 and the bearing cover 3 are separately arranged and fixedly connected to each other through two groups of connecting parts 6 symmetrically arranged vertically, and the bearing seat 2 and the bearing cover 3 are penetrated by several groups of mounting bolts 14 through the seat flange 4 and the cover flange 5 to fix the two.

[0029] Reference Figures 4 to 6 The bearing cover 3 is configured as an annular cover structure with a certain thickness and an annular cavity is formed inside. A filter mesh ring 7 is embedded in the cavity of the bearing cover 3 near the outside. An L-shaped sealing ring edge 8 is fixedly connected to the outside of the filter mesh ring 7. A rotating paddle 9 is fixedly connected to one end of the outer side of the L-shaped sealing ring edge 8. An L-shaped sealing ring groove 10 is provided on the inner edge of the bearing cover 3. The number and specifications of the L-shaped sealing ring edge 8 and the L-shaped sealing ring groove 10 are matched. The gap between the cover flange 5 and the bearing cover 3 allows the rotating paddle 9 to be inserted and can be flexibly rotated on the plane.

[0030] The above scheme is adopted: the filter mesh ring 7 is embedded between the bearing cover 3 and the bearing seat 2 through the L-shaped sealing ring edge 8 and the L-shaped sealing ring groove 10 of matching specifications, and the bearing cover 3, the cover flange 5 and the filter mesh ring 7 are sealed. The filter mesh ring 7 filters the lubricating oil to prevent foreign particles from entering the equipment and causing increased wear, thereby affecting the service life of the equipment. The annular gap between the cover flange 5 and the bearing cover 3 is used for the rotating paddle 9 to be inserted and can also be flexibly rotated on a plane, which is convenient for the operator to paddle the filter mesh ring 7 to make a reciprocating motion relative to the cleaning brush 11.

[0031] Reference Figures 5 to 8 There are two groups of cleaning brushes 11, which are symmetrically arranged at the bottom end of the cavity of the bearing cover 3. There are also two groups of impurity removal trapezoidal cavities 12, which are adapted to the positions of the two groups of cleaning brushes 11. The impurity removal trapezoidal cavities 12 are arranged with a structure with a trapezoidal side cross-section so that the grease and impurities brushed off can flow down and be discharged by gravity. One side of the two groups of impurity removal trapezoidal cavities 12 is provided with an impurity removal sealing cover 13.

[0032] The above scheme is adopted: two groups of cleaning brushes 11 cooperate with the half-side rotation of the filter mesh ring 7 to reciprocate and scrub the filtered grease and impurities, so that the impurities flow down with gravity and are automatically discharged through the inclined surface of the impurity discharge trapezoidal cavity 12 and the opening of the impurity discharge sealing cover 13, avoiding the trouble of dismantling the overall structure for cleaning, thereby improving the cleaning efficiency and the service life of the equipment.

[0033] The working principle of the utility model is as follows: when in use, the cover flange 5 and the bearing cover 3 are separately arranged and fixedly connected to each other through two groups of connecting pieces 6 symmetrically arranged vertically, the bearing seat 2 and the bearing cover 3 are penetrated through the seat flange 4 and the cover flange 5 by a plurality of groups of mounting bolts 14 to fix the two, the lubricating oil is introduced into the interior of the equipment through the oil hole, the filter mesh ring 7 is embedded between the bearing cover 3 and the bearing seat 2 through the L-shaped sealing ring edge 8 and the L-shaped sealing ring groove 10 with matching specifications, and the bearing cover 3, the cover flange 5 and the filter mesh ring 7 are sealed, and the filter mesh ring 7 is used to filter the lubricating oil to avoid To prevent foreign particles from entering the equipment and causing increased wear and tear, which would affect the service life of the equipment, the annular gap between the cover flange 5 and the bearing cover 3 is used for the rotating paddle 9 to be inserted and can also be flexibly rotated on the plane, so that the operator can easily paddle the filter ring 7 to make a reciprocating motion relative to the cleaning brush 11. The two groups of cleaning brushes 11 cooperate with the half-side rotation of the filter ring 7 to reciprocate and scrub the filtered grease and impurities, so that the impurities flow down with gravity and are automatically discharged through the inclined surface of the impurity discharge trapezoidal cavity 12 and the opening of the impurity discharge sealing cover 13, avoiding the trouble of dismantling the overall structure for cleaning, thereby improving the cleaning efficiency and the service life of the equipment.

[0034] What is described above is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A transfer case lubrication device, comprising a transfer case body (1), characterized in that: A bearing seat (2) is mounted on the output end of the transfer case body (1); a bearing cover (3) is arranged on one side of the bearing seat (2); a filter ring (7) is embedded in the bearing cover (3) in parallel; a cleaning brush (11) is fixedly connected to the bottom end of the cavity of the bearing cover (3); and a trapezoidal cavity (12) for removing impurities is connected through the bottom end of the bearing cover (3).

2. A transfer case lubrication device according to claim 1, characterized in that: A seat body flange (4) is provided on the outer fixed sleeve of the end of the bearing seat (2); a connecting piece (6) is fixedly connected to one end of the bearing cover (3); a cover body flange (5) is fixedly connected to the end connecting the bearing cover (3) and the bearing seat (2) via two groups of symmetrical connecting pieces (6); and an annular gap with a certain spacing exists between the cover body flange (5) and the bearing cover (3).

3. A transfer case lubrication device according to claim 2, characterized in that: A mounting bolt (14) is passed through one end of the cover body flange (5), and the mounting bolts (14) are provided in a plurality of groups, and the plurality of groups of mounting bolts (14) all pass through the seat body flange (4) and the cover body flange (5) to mount the bearing cover (3).

4. A transfer case lubrication device according to claim 3, characterized in that: The bearing cover (3) is configured as an annular cover structure having a certain thickness and forming an annular cavity inside. A filter mesh ring (7) is embedded in the cavity of the bearing cover (3) near the outside. An L-shaped sealing ring edge (8) is fixedly connected to the outside of the filter mesh ring (7). A rotating paddle (9) is fixedly connected to one end of the outside of the L-shaped sealing ring edge (8). An L-shaped sealing ring groove (10) is provided on the inner edge of the bearing cover (3).

5. A transfer case lubrication device according to claim 4, characterized in that: The L-shaped sealing ring edge (8) and the L-shaped sealing ring groove (10) are matched in number and specification, and the gap between the cover flange (5) and the bearing cover (3) allows the rotating paddle (9) to be inserted and can be flexibly rotated on a plane.

6. A transfer case lubrication device according to claim 1, characterized in that: The cleaning brushes (11) are provided in two groups and are symmetrically arranged at the bottom end of the cavity of the bearing cover (3). The impurity removal trapezoidal cavities (12) are also provided in two groups and are adapted to the positions of the two groups of cleaning brushes (11).

7. A transfer case lubrication device according to claim 1, characterized in that: The impurity removal trapezoidal cavity (12) is configured as a structure with a trapezoidal side cross section, so that the oily dirt and impurities brushed off can flow down and be discharged under the action of gravity. Impurity removal sealing covers (13) are provided on one side of the two groups of impurity removal trapezoidal cavities (12).

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