A kind of desilting basin structure matched with manual gearbox

CN224730063UActive Publication Date: 2026-09-08JIANGLING MOTORS
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Patent Information

Application Number
CN202521819699.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-08-26
Publication Date
2026-09-08
Estimated Expiration
2035-08-26

AI Technical Summary

Technical Problem

[0004]针对现有技术的不足,本实用新型提供了一种分动器配合手动变速箱排泥沙槽结构,解决了当前市场上解决泥沙堆积问题主要从手动变速箱自身结构出发,这种设计会破坏手动变速箱壳体密封性及降低壳体强度,增大油封渗漏及壳体强度失效风险,且变速箱设计变更开发成本高的问题

Benefits of technology

该分动器配合手动变速箱排泥沙槽结构,通过在分动器主体与变速箱主体之间安装过渡壳体,通过过渡壳体连接两部分,同时通过在过渡壳体上设置排料槽,通过对排料槽进行内部构造优化设计,使得排料槽的顶部两端设置有两组倾斜向内的冲洗口,排料槽的末端倾斜向下设置并朝向变速箱主体,以使得在使用时,泥沙在进入排料槽内部后能够快速向其末端滑落排出,并且通过在排料槽顶部设置加强筋,使得排料槽位置结构强度满足使用需求,通过两侧的冲洗口也方便在使用后进行冲水清洗,整体采用外置连接设计,无需对变速箱主体和分动器主体进行改造,使得整体设计成本低,且对原有的设计结构破坏小,减少渗漏情况发生。

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Abstract

The utility model discloses a kind of silt discharge groove structures of transfer case cooperation manual gearbox, involve manual gearbox field.The silt discharge groove structure of transfer case cooperation manual gearbox, including gearbox main body and transfer case main body, transition shell is installed between gearbox main body and transfer case main body, and the outer wall of transition shell is equipped with discharge chute, the opening of discharge chute is towards gearbox main body, and the opening end of discharge chute is downwardly inclined, and the both sides of discharge chute are concave to middle portion downward.The silt discharge groove structure of transfer case cooperation manual gearbox, by setting discharge chute on transition shell, the end of discharge chute is inclined and set downward in use, sand can quickly slide to its end and discharge after entering discharge chute inside, by setting reinforcing rib to improve strength, using external connection design, without needing to transform gearbox main body and transfer case main body, so that overall design cost is low, and the damage to original design structure is small, reduce the leakage condition occurs.
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Description

Technical Field

[0001] This utility model relates to the field of manual transmission technology, specifically to a transfer case combined with a manual transmission mud and sand discharge trough structure. Background Technology

[0002] The manual transmission shift mechanism is located outside the manual transmission and extends into the transfer case. This makes it easy for mud and sand to enter the gaps when the vehicle is used in harsh environments. The mud and sand cannot be discharged and will accumulate, resulting in increased shifting resistance, incomplete shifting, and possible gear slippage during driving, which poses a great safety hazard.

[0003] Consumers' demands for off-road performance in vehicles are constantly evolving, making driving safety in harsh environments a pressing issue. Current solutions to mud and sand accumulation primarily address the problem of manual transmissions themselves. However, this design compromises the transmission housing's sealing and strength, increasing the risk of oil seal leakage and housing failure. Furthermore, redesigning and developing the transmission is costly. To address these problems, this invention proposes a transfer case combined with a mud and sand drainage system for manual transmissions. Utility Model Content

[0004] To address the shortcomings of existing technologies, this utility model provides a transfer case combined with a manual transmission mud and sand discharge trough structure. This solves the problem that current solutions to mud and sand accumulation mainly focus on the structure of the manual transmission itself. Such designs can compromise the sealing of the manual transmission housing, reduce its strength, increase the risk of oil seal leakage and housing failure, and result in high development costs for transmission design changes.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a transfer case combined with a manual transmission mud and sand discharge trough structure, comprising a transmission body and a transfer case body, wherein a transition housing is installed between the transmission body and the transfer case body, and a discharge trough is provided on the outer wall of the transition housing, the opening of the discharge trough facing the transmission body, and the opening end of the discharge trough is inclined downward, and both sides of the discharge trough are recessed downward toward the center, so that the mud and sand entering the discharge trough are quickly discharged from the discharge trough along the opening direction of the discharge trough.

[0006] Preferably, the transition housing includes a protective housing and a first connecting portion and a second connecting portion integrally formed at both ends of the protective housing.

[0007] Preferably, the first connecting part and the transfer case body are fixedly assembled with bolts, and a front sealing ring is provided between the two.

[0008] Preferably, the second connecting part is bolted to the gearbox body, and a rear sealing ring is provided between them.

[0009] Preferably, the outer diameters of the first connecting portion and the second connecting portion are larger than the outer diameter of the protective housing, so that the outer side of the protective housing naturally forms rinsing ports on both sides of the discharge trough.

[0010] Preferably, the flushing port extends obliquely downward into the discharge trough.

[0011] Preferably, the top of the discharge trough is integrally formed with reinforcing ribs, and the reinforcing ribs are disposed between the two sets of flushing ports.

[0012] Its beneficial effects are as follows: This transfer case, in conjunction with a manual transmission's mud and sand discharge trough structure, utilizes a transition housing installed between the transfer case body and the transmission body to connect the two parts. A discharge trough is incorporated into the transition housing, with optimized internal design. The top of the discharge trough features two sets of inwardly angled flushing ports, while the end of the trough slopes downwards towards the transmission body. This allows mud and sand to quickly slide out after entering the trough. Reinforcing ribs at the top of the trough ensure structural strength meets usage requirements. The flushing ports on both sides facilitate post-use cleaning. The overall external connection design eliminates the need for modifications to the transmission and transfer case bodies, resulting in low overall design costs, minimal disruption to the original structure, and reduced leakage. Attached Figure Description

[0013] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0014] Figure 1 This is a schematic diagram of the overall assembly structure of this utility model; Figure 2 This is a schematic diagram of the outer surface structure of the transition shell of this utility model.

[0015] In the diagram: 1. Gearbox body; 2. Transfer case body; 3. Transition housing; 31. Protective housing; 32. First connecting part; 33. Second connecting part; 34. Discharge chute; 35. Reinforcing rib; 36. Flushing port. Detailed Implementation

[0016] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions in the embodiments of this utility model are described clearly and completely. Obviously, the described embodiments are only some embodiments of this utility model, not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.

[0017] To better understand the above technical solutions, the following will provide a detailed explanation of the technical solutions in conjunction with the accompanying drawings and specific implementation methods.

[0018] This utility model embodiment discloses a mud and sand discharge trough structure for a transfer case and manual transmission, according to the attached... Figure 1 To be continued Figure 2 As shown, the system includes a gearbox body 1 and a transfer case body 2. A transition housing 3 is installed between the gearbox body 1 and the transfer case body 2. A discharge trough 34 is provided on the outer wall of the transition housing 3. The opening of the discharge trough 34 faces the gearbox body 1, and the opening end of the discharge trough 34 is inclined downward. The two sides of the discharge trough 34 are recessed downward towards the center, so that the mud and sand entering the discharge trough 34 can be quickly discharged from the discharge trough 34 along the opening direction of the discharge trough 34.

[0019] The transition housing 3 includes a protective housing 31 and a first connecting part 32 and a second connecting part 33 integrally formed at both ends of the protective housing 31. The first connecting part 32 is bolted to the transfer case body 2 and a front sealing ring is provided between them. The second connecting part 33 is bolted to the gearbox body 1 and a rear sealing ring is provided between them. Through the adaptable external connection design, there is no need to modify the gearbox body 1 and the transfer case body 2, which makes the overall design cost low, minimizes damage to the original design structure, and reduces the occurrence of leakage.

[0020] The outer diameters of the first connecting part 32 and the second connecting part 33 are larger than the outer diameter of the protective housing 31, so that the outer side of the protective housing 31 naturally forms rinsing ports 36 on both sides of the discharge trough 34. The rinsing ports 36 extend downward at an angle into the discharge trough 34, so that water can quickly enter the discharge trough 34 during rinsing.

[0021] The top of the discharge trough 34 is integrally formed with reinforcing ribs 35, which are located between the two sets of flushing ports 36 to improve the overall structural strength and prevent cracking and damage during use.

[0022] Working principle: This transfer case works in conjunction with a manual transmission mud and sand discharge trough structure. A transition housing 3 is installed between the transfer case body 2 and the transmission body 1, connecting the two parts. A discharge trough 34 is provided on the transition housing 3. Through optimized internal design, two sets of inwardly inclined flushing ports 36 are provided at both ends of the top of the discharge trough 34. The end of the discharge trough 34 is inclined downward and faces the transmission body 1, so that mud and sand can quickly slide down and be discharged from the end after entering the discharge trough 34 during use. Furthermore, a reinforcing rib 35 is provided at the top of the discharge trough 34 to ensure that the structural strength of the discharge trough 34 meets the usage requirements. The flushing ports 36 on both sides also facilitate flushing and cleaning after use. The whole system adopts an external connection design, which does not require modification of the transmission body 1 and the transfer case body 2, resulting in low overall design cost, minimal damage to the original design structure, and reduced leakage.

[0023] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.

[0024] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claims. The scope of protection of this utility model is defined by the appended claims and their equivalents.

Claims

1. A transfer case with a manual transmission mud and sand discharge trough structure, comprising a transmission body (1) and a transfer case body (2), wherein a transition housing (3) is installed between the transmission body (1) and the transfer case body (2), characterized in that, The outer wall of the transition housing (3) is provided with a discharge groove (34). The opening of the discharge groove (34) faces the gearbox body (1), and the opening end of the discharge groove (34) is inclined downward. The two sides of the discharge groove (34) are recessed downward towards the center, so that the mud and sand entering the discharge groove (34) can be quickly discharged from the discharge groove (34) along the opening direction of the discharge groove (34).

2. The mud and sand discharge trough structure for a transfer case and manual transmission according to claim 1, characterized in that, The transition shell (3) includes a protective shell (31) and a first connecting part (32) and a second connecting part (33) integrally formed at both ends of the protective shell (31).

3. The mud and sand discharge trough structure for a transfer case and manual transmission according to claim 2, characterized in that, The first connecting part (32) is bolted to the transfer case body (2), and a front sealing ring is provided between them.

4. The mud and sand discharge trough structure for a transfer case and manual transmission according to claim 2, characterized in that, The second connecting part (33) is bolted to the gearbox body (1), and a rear sealing ring is provided between them.

5. The mud and sand discharge trough structure for a transfer case and manual transmission according to claim 2, characterized in that, The outer diameters of the first connecting part (32) and the second connecting part (33) are larger than the outer diameter of the protective housing (31), so that the outer side of the protective housing (31) naturally forms flushing ports (36) on both sides of the discharge trough (34).

6. The mud and sand discharge trough structure for a transfer case and manual transmission according to claim 5, characterized in that, The flushing port (36) extends downward at an angle into the discharge trough (34).

7. The mud and sand discharge trough structure for a transfer case and manual transmission according to claim 6, characterized in that, The top of the discharge trough (34) is integrally formed with reinforcing ribs (35), which are located between the two sets of flushing ports (36).