CN219452714U - Transfer case structure with parking brake - Google Patents

Abstract

The utility model belongs to the technical field of transfer cases, and relates to a transfer case structure with parking brake, which comprises an input shaft and an output shaft which are connected by power, wherein a low-gear and a high-gear are arranged on the output shaft, a drum brake is arranged on the input shaft, the drum brake is connected to the input shaft through a connecting flange, the connecting flange is meshed with the input shaft through a spline, and a mounting flange is arranged between the connecting flange and the input shaft. According to the utility model, the drum brake is arranged on the input shaft, so that an immediate braking effect can be quickly and effectively achieved; the connecting flange is meshed with the input shaft through the spline, so that the transmission torque force is large, and the braking effect can be rapidly achieved when the drum brake brakes; through the design of double oil seal structure, can be when input shaft rapid motion can be fine sealed effect. Therefore, the parking device is simple in structure and convenient to operate, achieves the parking function of the transfer case, and can effectively avoid oil leakage.

Description

Transfer case structure with parking brake

Technical Field

The utility model belongs to the technical field of transfer cases, and particularly relates to a transfer case structure with parking brake.

Background

The transfer case is a device for distributing power of an engine, and may output power to a rear axle or to both front and rear axles. It can be seen that the transfer case is actually an accessory on the four-wheel drive vehicle, and with the continuous development of the four-wheel drive technology, the transfer case is changed all the time, and transfer cases with different styles are gradually formed, so that the transfer case is matched on the four-wheel drive vehicles with different requirements, and the basic principles and functions of the transfer case are different.

However, the existing transfer case has no parking braking function, and if a user forgets to pull a handle to brake when parking, the vehicle is parked on a ramp, so that unexpected accidents are easily caused by sliding the vehicle.

Disclosure of Invention

The utility model aims to overcome the defects and shortcomings in the prior art, and the transfer case structure with the parking brake is simple in structure, stable, reliable, convenient and effective, and capable of achieving the effect of immediate braking.

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows: the utility model provides a take transfer case structure of parking braking, includes power connection's input shaft and output shaft, be equipped with low gear and high gear on the output shaft, be equipped with drum brake on the input shaft, drum brake passes through flange joint on the input shaft.

Preferably, the connecting flange is engaged with the input shaft by a spline.

Preferably, a mounting flange is further arranged between the connecting flange and the input shaft.

Preferably, an oil seal is arranged between the mounting flange and the input shaft.

Preferably, the oil seal adopts a double oil seal structure.

Preferably, the drum brake is fixed through a slotted nut, a bolt and a cotter pin between the connecting flanges, and a spring piece is further arranged between the slotted nut and the connecting flanges.

After the technical scheme is adopted, the transfer case structure with the parking brake has the following beneficial effects:

according to the utility model, the drum brake is arranged on the input shaft, so that an immediate braking effect can be quickly and effectively achieved; the connecting flange is meshed with the input shaft through the spline, so that the transmission torque force is large, and the braking effect can be rapidly achieved when the drum brake brakes; through the design of double oil seal structure, can be when input shaft rapid motion can be fine sealed effect. Therefore, the parking device is simple in structure and convenient to operate, achieves the parking function of the transfer case, and can effectively avoid oil leakage.

Drawings

FIG. 1 is a schematic illustration of a transfer case with parking brake construction of the present utility model;

fig. 2 is an exploded schematic view of the structure of the input shaft portion in the present utility model.

Wherein: an input shaft 1, an output shaft 2, a low gear 3, a high gear 4, a drum brake 5, a connecting flange 6, a mounting flange 7, an oil seal 8, a slotted nut 9, a bolt 10, a cotter 11 and a spring piece 12.

Detailed Description

The present utility model now will be described more fully hereinafter with reference to the accompanying drawings, in which embodiments of the utility model are shown, and in which embodiments of the utility model are shown, by way of illustration only, and not all embodiments. The following description of at least one exemplary embodiment is merely exemplary in nature and is in no way intended to limit the utility model, its application, or uses. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments in accordance with the present application. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.

The relative arrangement of the components and steps, numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present utility model unless it is specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective parts shown in the drawings are not drawn in actual scale for convenience of description. Techniques, methods, and apparatus known to one of ordinary skill in the relevant art may not be discussed in detail, but should be considered part of the specification where appropriate. In all examples shown and discussed herein, any specific values should be construed as merely illustrative, and not a limitation. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further discussion thereof is necessary in subsequent figures.

In the description of the present utility model, it should be understood that the azimuth or positional relationships indicated by the azimuth terms such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal", and "top, bottom", etc., are generally based on the azimuth or positional relationships shown in the drawings, merely to facilitate description of the present utility model and simplify the description, and these azimuth terms do not indicate and imply that the apparatus or elements referred to must have a specific azimuth or be constructed and operated in a specific azimuth, and thus should not be construed as limiting the scope of protection of the present utility model; the orientation word "inner and outer" refers to inner and outer relative to the contour of the respective component itself.

Spatially relative terms, such as "above … …," "above … …," "upper surface at … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial location relative to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "above" or "over" other devices or structures would then be oriented "below" or "beneath" the other devices or structures. Thus, the exemplary term "above … …" may include both orientations of "above … …" and "below … …". The device may also be positioned in other different ways (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

In addition, the terms "first", "second", etc. are used to define the components, and are only for convenience of distinguishing the corresponding components, and the terms have no special meaning unless otherwise stated, and therefore should not be construed as limiting the scope of the present utility model.

The transfer case structure with the parking brake comprises an input shaft 1 and an output shaft 2 which are in power connection, wherein a low-gear 3 and a high-gear 4 are arranged on the output shaft 2, a drum brake 5 is arranged on the input shaft 1, and the drum brake 5 is connected to the input shaft 1 through a connecting flange 6.

The connecting flange 6 is engaged with the input shaft 1 through a spline, a mounting flange 7 is further arranged between the connecting flange 6 and the input shaft 1, an oil seal 8 is arranged between the mounting flange 7 and the input shaft 1, the oil seal 8 adopts a double oil seal structure, the drum brake 5 is fixed through a slotted nut 9, a bolt 10 and a slotted pin 11 between the connecting flange 6, and a spring piece 12 is further arranged between the slotted nut 9 and the connecting flange 6.

According to the transfer case structure with the parking brake, the drum brake is arranged on the input shaft, so that an immediate braking effect can be quickly and effectively achieved; the connecting flange is meshed with the input shaft through the spline, so that the transmission torque force is large, and the braking effect can be rapidly achieved when the drum brake brakes; through the design of double oil seal structure, can be when input shaft rapid motion can be fine sealed effect.

In conclusion, the transfer case structure with the parking brake is simple in structure and convenient to operate, achieves the parking function of the transfer case, can effectively avoid oil leakage, has great market value, and is worthy of wide popularization and application.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims (6)

1. Take transfer case structure of parking braking, its characterized in that: the novel high-speed gear transmission device comprises an input shaft (1) and an output shaft (2) which are connected through power, wherein a low-grade gear (3) and a high-grade gear (4) are arranged on the output shaft (2), a drum brake (5) is arranged on the input shaft (1), and the drum brake (5) is connected to the input shaft (1) through a connecting flange (6).

2. The transfer case structure with parking brake of claim 1, wherein: the connecting flange (6) is engaged with the input shaft (1) through a spline.

3. The transfer case structure with parking brake of claim 1, wherein: and a mounting flange (7) is further arranged between the connecting flange (6) and the input shaft (1).

4. A transfer case structure with parking brake as defined in claim 3, wherein: an oil seal (8) is arranged between the mounting flange (7) and the input shaft (1).

5. The transfer case structure with parking brake of claim 4, wherein: the oil seal (8) adopts a double oil seal structure.

6. The transfer case structure with parking brake of claim 1, wherein: the drum brake (5) is fixed through a slotted nut (9), a bolt (10) and a cotter pin (11) between the connecting flanges (6), and a spring piece (12) is further arranged between the slotted nut (9) and the connecting flanges (6).