Transfer case with dust-proof structure

Abstract

The utility model relates to the technical field of transfer cases, and discloses a transfer case with a dustproof structure, including a case body and a front cover plate, wherein a first assembly hole is arranged inside the front end of the case body, a front cover plate is arranged at the front end of the case body, a rear shell is arranged at the rear end of the case body, a connection cover is fixedly connected to the front end of the front cover plate, a front shell is arranged at the front end of the connection cover, a connection seat is fixedly connected to the front end of the front shell body, a first reserved groove is arranged at the front end of the connection seat, a second reserved groove is arranged at the rear end of the case body, and a hinge seat is fixedly connected to the top end of the rear end of the case body. The transfer case with a dustproof structure is provided with a hinge seat, a dust cover, a positioning buckle, and a fixing block. After heat dissipation is completed, the dust cover is flipped down and fixed to the fixing block at the bottom by using the positioning buckle, thereby preventing dust from entering from the dustproof net, improving dustproof performance, and solving the problem that dust easily enters the interior of the case body through small spaces and holes.

Description

Technical Field

[0001] The utility model relates to the technical field of transfer cases, in particular to a transfer case with a dustproof structure. Background Art

[0002] The transfer case is a device that distributes the power of the engine. It can output power to the rear axle, or to both the front and rear axles. The transfer case is an accessory on a four-wheel drive vehicle. Depending on the different demands of the four-wheel drive vehicle, its basic principles and functions are also different.

[0003] According to the design of the existing transfer case, there is no dust-proof structure on the outside, which makes it easy for dust to enter the case through small spaces and holes. If too much dust accumulates, it will easily affect the operation of internal components, so its structure needs to be improved.

[0004] Now, a new transfer case with a dustproof structure is proposed to solve the above problems. Utility Model Content

[0005] The utility model aims to provide a transfer case with a dustproof structure to solve the problem in the background art that dust easily enters the interior of the case through small spaces and holes.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a transfer case with a dustproof structure, comprising a case body and a front cover plate, a first assembly hole is arranged inside the front end of the case body, a front cover plate is arranged at the front end of the case body, a rear shell is arranged at the rear end of the case body, a connecting cover is fixedly connected to the front end of the front cover plate, a front shell body is arranged at the front end of the connecting cover, a connecting seat is fixedly connected to the front end of the front shell body, a first reserved groove is arranged at the front end of the connecting seat, a second reserved groove is arranged at the rear end of the case body, a hinge seat is fixedly connected to the top end of the rear end of the case body, a dust cover is movably hinged between the hinge seats, a positioning buckle is movably hinged to the top end of the dust cover, a fixed block is fixedly connected to the bottom end of the rear end of the case body, and a fourth assembly hole is arranged at the rear end of the case body.

[0007] Preferably, the positioning buckle coincides with the position of the fixing block, and the dust cover can be flipped at the rear end of the box body through a hinge seat.

[0008] Preferably, the front end of the front cover plate is movably connected with a first positioning bolt, and the front cover plate is detachable from the box body through the first positioning bolt.

[0009] Preferably, a second assembly hole is provided inside the front end of the connection cover, and a second positioning bolt is movably connected to the front end of the front shell body, and the front shell body is detachable from the connection cover via the second positioning bolt.

[0010] Preferably, the front end of the connecting seat is fixedly connected to a limiting frame, a circular frame is arranged inside the limiting frame, and the circular frame is detachably embedded inside the limiting frame.

[0011] Preferably, a fixing frame is provided at the front end of the connecting seat, a third assembly hole is provided at the front end of the connecting seat, a third positioning bolt is movably connected to the front end of the fixing frame, and the fixing frame is detachable from the connecting seat through the third assembly hole.

[0012] Preferably, an oil filling groove is fixedly connected to the top of the circular frame, a sealing plug is provided inside the oil filling groove, an oil absorbing sponge is fixedly connected inside the circular frame, and the oil filling groove is communicated with the inside of the oil absorbing sponge.

[0013] Preferably, a dust screen is fixedly connected to the rear end of the rear shell, a driving motor is fixedly installed at the rear end of the rear shell, a fan is fixedly connected to the output end of the driving motor, a fourth positioning bolt is movably connected to the outside of the rear shell, the rear shell is detachable from the box body through the fourth positioning bolt, and the second reserved slot is provided with four groups of

[0014] Compared with the prior art, the utility model has the following beneficial effects: the transfer case with dustproof structure not only realizes the dustproof function, realizes the heat dissipation function of the internal components, but also realizes the function of lubricating the shaft body;

[0015] (1) By providing a hinged seat, a dust cover, a positioning buckle, and a fixing block, after the heat dissipation is completed, the dust cover is turned down and fixed to the fixing block at the bottom by using the positioning buckle, thereby preventing dust from entering through the dust net and improving the dustproof performance;

[0016] (2) By providing a rear shell, a fourth assembly hole, a fourth positioning bolt, a dust screen, a second reserved slot, a driving motor, and a fan, the driving motor is turned on and the fan is driven to rotate, so that air can be blown to the components inside the box through the second reserved slot, so that the components in the transfer box can work stably, and the dust screen can be used to block larger impurity particles;

[0017] (3) The circular block is clamped into the inner part of the limit frame and fixed by providing a first reserved groove, a connecting seat, a fixing frame, a third assembly hole, a third positioning bolt, a limit frame, a circular frame, and an oil filling groove. The lubricating oil is injected into the oil-absorbing sponge by using the oil filling groove. When the inner shaft rotates, the oil-absorbing sponge can wipe the outer shaft, thereby lubricating it and making it smoother during the rotation process. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a front view cross-sectional structural schematic diagram of the utility model;

[0019] Figure 2This is a rear view structural diagram of the connection method between the rear shell and the box body of the utility model;

[0020] Figure 3 This is a rear view structural diagram of the connection method between the dust cover and the box body of the utility model;

[0021] Figure 4 It is a front view structural schematic diagram of the connection method between the circular frame and the limiting frame of the utility model.

[0022] In the figure: 1. box body; 2. front cover; 3. first assembly hole; 4. first positioning bolt; 5. connecting cover; 6. front shell; 7. second assembly hole; 8. second positioning bolt; 9. first reserved slot; 10. connecting seat; 11. fixing frame; 12. third assembly hole; 13. third positioning bolt; 14. limiting frame; 15. circular frame; 16. oil filling groove; 17. sealing plug; 18. oil absorbing sponge; 19. hinged seat; 20. dust cover; 21. rear shell; 22. fourth assembly hole; 23. fourth positioning bolt; 24. dust net; 25. second reserved slot; 26. driving motor; 27. fan; 28. positioning buckle; 29. ​​fixing block. DETAILED DESCRIPTION

[0023] 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.

[0024] Example 1: Please refer to Figure 1-4 A transfer case with a dustproof structure comprises a case body 1 and a front cover plate 2, a first assembly hole 3 is arranged inside the front end of the case body 1, a front cover plate 2 is arranged at the front end of the case body 1, a rear shell 21 is arranged at the rear end of the case body 1, a connection cover 5 is fixedly connected to the front end of the front cover plate 2, a front shell 6 is arranged at the front end of the connection cover 5, a connection seat 10 is fixedly connected to the front end of the front shell 6, a first reserved groove 9 is arranged at the front end of the connection seat 10, a second reserved groove 25 is arranged at the rear end of the case body 1, a hinge seat 19 is fixedly connected to the top end of the rear end of the case body 1, a dust cover 20 is movably hinged between the hinge seats 19, a positioning buckle 28 is movably hinged to the top end of the dust cover 20, a fixing block 29 is fixedly connected to the bottom end of the rear end of the case body 1, and a fourth assembly hole 22 is arranged at the rear end of the case body 1;

[0025] The positions of the positioning buckle 28 and the fixing block 29 are consistent, and the dust cover 20 can be turned over at the rear end of the box body 1 through the hinge seat 19;

[0026] Specifically, Figure 1 and Figure 3As shown, after the heat dissipation is completed, the dust cover 20 is turned downward and fixed to the fixing block 29 at the bottom using the positioning buckle 28, thereby preventing dust from entering through the dust net 24 and improving the dustproof performance.

[0027] Embodiment 2: The front end of the front cover plate 2 is movably connected with a first positioning bolt 4, and the front cover plate 2 is detachable from the box body 1 through the first positioning bolt 4;

[0028] A second assembly hole 7 is provided inside the front end of the connection cover 5, and a second positioning bolt 8 is movably connected to the front end of the front housing 6. The front housing 6 is detachable from the connection cover 5 through the second positioning bolt 8;

[0029] A fixing frame 11 is provided at the front end of the connecting seat 10, a third assembly hole 12 is provided at the front end of the connecting seat 10, a third positioning bolt 13 is movably connected to the front end of the fixing frame 11, and the fixing frame 11 is detachable from the connecting seat 10 through the third assembly hole 12;

[0030] A dust screen 24 is fixedly connected between the rear end of the rear shell 21, a drive motor 26 is fixedly installed at the rear end of the rear shell 21, and a fan 27 is fixedly connected to the output end of the drive motor 26. The outer part of the rear shell 21 is movably connected to the fourth positioning bolt 23, and the rear shell 21 is detachable from the box body 1 through the fourth positioning bolt 23. The second reserved slot 25 is provided with four groups of

[0031] Specifically, Figure 1 and Figure 2 As shown, the driving motor 26 is turned on and the driving fan 27 is driven to rotate, and air can be blown to the components inside the box body 1 through the second reserved groove 25, so that the components in the transfer box can work stably, and the dustproof net 24 can block larger impurity particles.

[0032] Embodiment 3: The front end of the connecting seat 10 is fixedly connected to the limiting frame 14, and a circular frame 15 is arranged inside the limiting frame 14. The circular frame 15 is embedded in the limiting frame 14 and can be detached;

[0033] The top of the circular frame 15 is fixedly connected with an oil filling groove 16, the inside of the oil filling groove 16 is provided with a sealing plug 17, the inside of the circular frame 15 is fixedly connected with an oil absorbing sponge 18, and the oil filling groove 16 is connected with the inside of the oil absorbing sponge 18;

[0034] Specifically, Figure 1 and Figure 4 As shown, the circular frame 15 is snapped into the interior of the limit frame 14 and fixed, and the lubricating oil is injected into the oil-absorbing sponge 18 using the oil filling groove 16. When the inner shaft rotates, the oil-absorbing sponge 18 can wipe the outer shaft, thereby lubricating it and making it smoother during rotation.

[0035] Working principle: When the utility model is in use, first, the circular frame 15 is snapped into the interior of the limit frame 14 and fixed, and the lubricating oil is injected into the oil-absorbing sponge 18 by using the oil filling groove 16. When the internal shaft rotates, the oil-absorbing sponge 18 can wipe its external shaft, thereby lubricating it and making it smoother during the rotation. Afterwards, the drive motor 26 is turned on to drive the fan 27 to rotate, and the internal components of the box body 1 can be blown through the second reserved groove 25, so that the components in the transfer box can work stably, and the dustproof net 24 can be used to block larger impurity particles. Finally, after the heat dissipation is completed, the dustproof cover 20 is flipped down and fixed on the fixing block 29 at the bottom by using the positioning buckle 28, so as to prevent dust from entering from the dustproof net 24 and improve the dustproof performance.

[0036] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. A transfer case with a dustproof structure, comprising a case body (1) and a front cover plate (2), characterized in that: A first assembly hole (3) is provided inside the front end of the box body (1), a front cover plate (2) is provided at the front end of the box body (1), a rear shell (21) is provided at the rear end of the box body (1), a connection cover (5) is fixedly connected to the front end of the front cover plate (2), a front shell (6) is provided at the front end of the connection cover (5), a connection seat (10) is fixedly connected to the front end of the front shell (6), a first reserved groove (9) is provided at the front end of the connection seat (10), a second reserved groove (25) is provided at the rear end of the box body (1), a hinge seat (19) is fixedly connected to the top end of the rear end of the box body (1), a dust cover (20) is movably hinged between the hinge seats (19), a positioning buckle (28) is movably hinged at the top end of the dust cover (20), a fixing block (29) is fixedly connected to the bottom end of the rear end of the box body (1), and a fourth assembly hole (22) is provided at the rear end of the box body (1).

2. The transfer case with a dustproof structure according to claim 1, characterized in that: The positions of the positioning buckle (28) and the fixing block (29) are consistent, and the dust cover (20) can be turned over at the rear end of the box body (1) through the hinge seat (19).

3. The transfer case with a dustproof structure according to claim 1, characterized in that: The front end of the front cover plate (2) is movably connected to a first positioning bolt (4), and the front cover plate (2) is detachable from the box body (1) via the first positioning bolt (4).

4. The transfer case with a dustproof structure according to claim 1, characterized in that: A second assembly hole (7) is provided inside the front end of the connection cover (5), and a second positioning bolt (8) is movably connected to the front end of the front shell (6). The front shell (6) is detachable from the connection cover (5) via the second positioning bolt (8).

5. The transfer case with a dustproof structure according to claim 1, characterized in that: The front end of the connection seat (10) is fixedly connected to a limiting frame (14), a circular frame (15) is arranged inside the limiting frame (14), and the circular frame (15) is detachably embedded inside the limiting frame (14).

6. The transfer case with a dustproof structure according to claim 1, characterized in that: A fixing frame (11) is provided at the front end of the connecting seat (10), a third assembly hole (12) is provided at the front end of the connecting seat (10), a third positioning bolt (13) is movably connected to the front end of the fixing frame (11), and the fixing frame (11) is detachable from the connecting seat (10) through the third assembly hole (12).

7. The transfer case with a dustproof structure according to claim 5, characterized in that: The top of the circular frame (15) is fixedly connected to an oil filling groove (16), a sealing plug (17) is arranged inside the oil filling groove (16), an oil absorbing sponge (18) is fixedly connected inside the circular frame (15), and the oil filling groove (16) is communicated with the inside of the oil absorbing sponge (18).

8. The transfer case with a dustproof structure according to claim 1, characterized in that: A dust screen (24) is fixedly connected to the rear end of the rear shell (21); a driving motor (26) is fixedly installed at the rear end of the rear shell (21); a fan (27) is fixedly connected to the output end of the driving motor (26); a fourth positioning bolt (23) is movably connected to the outside of the rear shell (21); the rear shell (21) is detachable from the box body (1) via the fourth positioning bolt (23); and four groups of the second reserved grooves (25) are provided.

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