CN219883637U

CN219883637U - Lower fork arm, vibration reduction assembly and vehicle

Info

Publication number: CN219883637U
Application number: CN202321739804.4U
Authority: CN
Inventors: 凌晨
Original assignee: Beijing CHJ Automobile Technology Co Ltd
Current assignee: Beijing CHJ Automobile Technology Co Ltd
Priority date: 2023-07-04
Filing date: 2023-07-04
Publication date: 2023-10-24
Anticipated expiration: 2033-07-04

Abstract

The utility model provides a lower fork arm, a vibration reduction assembly and a vehicle, wherein the lower fork arm is used for connecting a vibration absorber and a swing arm of a vehicle chassis suspension, and comprises: the installation part is connected with the shock absorber; the connecting part is connected to one end of the mounting part along the first direction and is provided with a lightening hole; the fork arm part is connected to one end of the connecting part, which is far away from the mounting part, and comprises two fork arms which are arranged at intervals along the second direction, and the two fork arms are respectively connected to two sides of the swing arm. The lower fork arm, the vibration reduction assembly and the vehicle can reduce the weight of the lower fork arm and the manufacturing cost, thereby realizing the weight reduction and the cost reduction of the whole vehicle.

Description

Lower fork arm, vibration reduction assembly and vehicle

Technical Field

The utility model relates to the technical field of vehicles, in particular to a lower fork arm, a vibration reduction assembly and a vehicle.

Background

In the assembly of a vehicle, the swing arm of the chassis suspension of the vehicle is typically connected to a shock absorber via a lower yoke so that the shock absorber can provide a shock absorbing effect to the chassis when the vehicle jolts during running.

At present, a lower fork arm structure is generally used for a four-wheel drive vehicle, in the four-wheel drive vehicle, the lower end of a shock absorber assembly can penetrate through a transmission shaft, and the transmission shaft and the lower fork arm structure can interfere, so that the lower fork arm structure of the four-wheel drive vehicle needs to avoid the transmission shaft. In designing the lower fork arm structure, two thicker connecting arms are generally required to ensure the connection strength, and the interval between the two thicker connecting arms is larger so that the transmission shaft can pass through the two arms.

However, with the development of vehicles, there is a growing concern about weight reduction and manufacturing cost of vehicles, and in two-wheel drive vehicles, a transmission shaft is not inserted under a damper, and if a lower yoke structure designed for four-wheel drive vehicles is continuously used, the weight reduction and manufacturing cost reduction of vehicles cannot be achieved.

Disclosure of Invention

The lower fork arm, the vibration reduction assembly and the vehicle provided by the utility model can reduce the weight of the lower fork arm and the manufacturing cost, thereby realizing the weight reduction and cost reduction of the whole vehicle.

The utility model provides a lower fork arm, wherein the lower fork arm is used for connecting a shock absorber and a swing arm of a vehicle chassis suspension, and comprises: the installation part is connected with the shock absorber; the connecting part is connected to one end of the mounting part along the first direction and is provided with a lightening hole; the fork arm part is connected to one end of the connecting part, which is far away from the mounting part, and comprises two fork arms which are arranged at intervals along the second direction, and the two fork arms are respectively connected to two sides of the swing arm.

The lower yoke as above, wherein, in the second direction, the maximum width of the connecting portion is smaller than the spacing distance of the two yokes.

The lower yoke as above, wherein the connecting portion has a width b in the second direction, the width b having the following range: b is more than or equal to 45mm and less than or equal to 55mm.

The lower yoke as above, wherein the connecting portion has a thickness d in the third direction, the thickness d having the following range: d is more than or equal to 30mm and less than or equal to 40mm.

The lower fork arm comprises two connecting arms which are arranged at intervals along the second direction, the two connecting arms are correspondingly arranged with the two fork arms, the first end of each connecting arm is connected with the mounting part, and the second end is connected with the corresponding fork arm.

The lower fork arm above, wherein the connecting portion further comprises a plurality of reinforcing structures, weight reducing holes are formed between two adjacent reinforcing structures, and the thickness of the reinforcing structures along the third direction is smaller than that of the connecting arm.

The lower fork arm comprises a mounting part and a locking part, wherein the mounting part comprises a fixing section and a locking section, the fixing section is provided with a fixing hole, an opening and a fixing section body, the shock absorber can be fixed in the fixing hole, the locking section comprises two locking plates, the two locking plates are respectively arranged on two sides of the opening and are connected with the fixing section body, and the relative movement of the two locking plates can control the width of the opening.

Such as the lower yoke above, wherein the lower yoke is made of an aluminum metal material.

On the other hand, the utility model also provides a vibration reduction assembly, wherein the vibration reduction assembly comprises a vibration absorber and the lower fork arm.

In still another aspect, the present utility model further provides a vehicle, where the vehicle includes the vibration damping assembly described above.

The lower fork arm comprises a mounting part, a fork arm part and a connecting part, wherein the lower fork arm is connected with a shock absorber through the mounting part and is connected with a swing arm of a vehicle chassis suspension through the fork arm part; the connecting portion is connected in installation department one end along first direction, realize being connected with the installation department, and fork arm portion then is connected in the one end that installation department was kept away from to the connecting portion for installation department and fork arm portion can be connected to the connecting portion, and the connecting portion has a plurality of lightening holes that run through self setting, and the setting of lightening holes can make fork arm portion reduce self weight under the circumstances of guaranteeing joint strength, thereby reduces the whole manufacturing cost of fork arm down, realizes the holistic weight reduction of vehicle and falls the cost effect.

Drawings

FIG. 1 is a top view of a lower yoke provided in an embodiment of the present utility model;

FIG. 2 is a front view of a lower yoke provided in an embodiment of the present utility model;

FIG. 3 is a side view of a lower yoke provided in an embodiment of the present utility model;

fig. 4 is a schematic structural diagram of a vibration damping assembly according to an embodiment of the present utility model.

Reference numerals illustrate:

10. a lower yoke; 11. a mounting part; 111. a fixed section; 1111. a fixing hole; 1112. an opening; 1113. a fixed section body; 112. a locking section; 12. a fork arm portion; 121. a fork arm; 13. a connection part; 131. a lightening hole; 132. a connecting arm; 133. a reinforcing structure; 20. a damper;

x, a first direction; y, second direction; z, third direction.

Detailed Description

In order that the above objects, features and advantages of the present disclosure may be more clearly understood, a further description of aspects of the present disclosure will be provided below. It should be noted that, without conflict, the embodiments of the present disclosure and features in the embodiments may be combined with each other.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present disclosure, but the present disclosure may be practiced otherwise than as described herein; it will be apparent that the embodiments in the specification are only some, but not all, embodiments of the disclosure.

As shown in fig. 1 to 4, the embodiment of the present utility model provides a lower yoke 10, which is suitable for a two-wheel vehicle, the lower yoke 10 includes a mounting portion 11, a yoke portion 12 and a connecting portion 13, the mounting portion 11 is connected with a damper 20, the yoke portion 12 includes two yoke 121 spaced apart along a second direction Y, and the two yoke 121 are detachably connected to two sides of a swing arm, respectively, so that the lower yoke 10 can connect the damper 20 and the swing arm.

The connecting portion 13 of the lower fork arm 10 is connected to one end of the mounting portion 11 along the first direction X, the lower fork arm is connected to the mounting portion 11, the fork arm portion 12 is connected to one end of the connecting portion 13 away from the mounting portion 11, the connecting portion 13 is provided with a plurality of weight reducing holes 131 penetrating through the connecting portion 13, and the weight of the fork arm portion 12 can be reduced under the condition that the connecting strength is ensured by the aid of the weight reducing holes 131, so that the overall manufacturing cost of the lower fork arm 10 is reduced, and the overall weight reducing effect of the vehicle is achieved.

The first direction X is the up-down direction in fig. 1, and the second direction Y is the left-right direction in fig. 1.

As shown in fig. 1, the lower yoke of the embodiment of the present utility model, wherein, along the second direction Y, the maximum width of the connecting portion 13 is smaller than the distance between the two yoke 121.

Compared with a lower fork arm designed for a four-wheel drive vehicle, the width of the connecting part 13 of the lower fork arm 10 in the embodiment of the utility model is smaller than the distance between the two fork arms 121 because the transmission shaft of the vehicle does not need to be avoided, and the arrangement reduces the length of the connecting part along the first direction X, reduces the weight of the connecting part 13, reduces the overall weight of the lower fork arm 10, and reduces the overall manufacturing cost.

Specifically, the width of the connecting portion 13 at the mounting portion 11 is small, so that the overall weight of the connecting portion 13 is reduced; the width of the connecting portion 13 gradually increases in the direction from the mounting portion 11 to the yoke portion 12 until the connecting portion 13 can be connected to the two yoke arms 121 provided at intervals of the yoke portion 12, ensuring that the connecting portion 13 can stably connect the mounting portion 11 and the yoke portion 12.

As shown in fig. 1, the lower yoke according to the embodiment of the present utility model, wherein the connecting portion 13 has a width b along the second direction Y, and the width b has the following range: b is more than or equal to 45mm and less than or equal to 55mm. In this range, the connecting portion 13 can prevent the weight from being excessively heavy under the condition of ensuring the connection strength, so that the lower fork arm 10 can achieve the effect of reducing the overall weight and the overall cost, and in this range, the width of the connecting portion 13 can be ensured to be always smaller than the interval distance between the two fork arms 121, so that the connecting portion is suitable for a vehicle of a two-drive vehicle type.

Preferably, the width b is 50mm.

As shown in fig. 2, the lower yoke according to the embodiment of the present utility model, wherein the connecting portion 13 has a thickness d along the third direction Z, the thickness d has the following range: d is more than or equal to 30mm and less than or equal to 40mm. The third direction Z is the up-down direction in fig. 2.

Compared with the four-wheel drive type lower fork arm structure, the width b of the connecting part 13 of the lower fork arm 10 can be smaller than the interval distance between the two fork arms 121, so that the thickness d of the connecting part 13 can be set within the range, the lower fork arm 10 can ensure the connecting strength, and the weight of the lower fork arm 10 can be reduced as much as possible, thereby reducing the whole cost.

Preferably, the thickness d is 34mm.

As shown in fig. 1, the lower yoke according to the embodiment of the present utility model, wherein the connecting portion 13 includes two connecting arms 132 spaced apart along the second direction Y, the two connecting arms 132 are disposed corresponding to the two yoke arms 121, and a first end of each connecting arm 132 is connected to the mounting portion 11 and a second end is connected to the corresponding yoke arm 121.

In particular, during implementation, the two connecting arms 132 are correspondingly connected with the two fork arms 121, so that the connection strength between the connecting portion 13 and the two fork arms 121 can be enhanced, and when the stress is transmitted to the connecting portion 13 by the two fork arms 121, the two connecting arms 132 can act, so that the damage of the whole structure of the connecting portion 13 is avoided, and therefore, the connection stability of the connecting portion 13 is enhanced due to the arrangement of the two connecting arms 132.

As shown in fig. 1, the lower yoke according to the embodiment of the present utility model, wherein the connecting portion 13 further includes a plurality of reinforcing structures 133, and a weight-reducing hole 131 is formed between two adjacent reinforcing structures 133, and a thickness of the reinforcing structure 133 along the third direction Z is smaller than a thickness of the connecting arm 132 along the third direction Z.

In particular, since the lower fork arm 10 of the embodiment of the present utility model is adapted to a two-wheel vehicle type, a plurality of reinforcing structures 133 are disposed between two connecting arms 132 of the connecting portion 13, so that the connecting portion 13 can enhance its own connection strength through the reinforcing structures 133 within the width and thickness ranges thereof, and meanwhile, by disposing the thickness of the reinforcing structures 133 to be smaller than the thickness of the connecting arms 132 along the third direction Z, the weight of the lower fork arm 10 can be reduced under the condition of ensuring the strength of the connecting portion 13, thereby reducing the overall weight of the lower fork arm 10 and the overall cost.

Optionally, the plurality of reinforcing structures 133 are a plurality of reinforcing ribs that are sequentially arranged at intervals, so that the whole connecting portion 13 is uniformly stressed, and the structural strength of the connecting portion 13 is increased, thereby increasing the connection stability of the connecting portion 13 to the mounting portion 11 and the yoke portion 12.

As shown in fig. 3, the lower yoke according to the embodiment of the present utility model, wherein the mounting portion 11 includes a fixing section 111 and a locking section 112, the fixing section 111 has a fixing hole 1111, an opening 1112 and a fixing section body 1113, the damper 20 can be fixed in the fixing hole 1111, the locking section 112 includes two locking plates respectively provided at both sides of the opening 1112 and connected to the fixing section body 1113, and the relative movement of the two locking plates can control the width of the opening 1112.

In particular, the portion of the damper 20 connected to the lower yoke 10 is in a cylindrical structure, and is clamped in the fixing hole 1111, so that the relative movement of the two locking plates of the locking section 112 can be controlled by the rotation of the bolt, and when the two locking plates move in opposite directions, the width of the opening 1112 is reduced, and the inner space of the fixing hole 1111 is reduced, so that the cylindrical structure can be tightly clamped in the fixing hole 1111, thereby realizing the connection between the damper 20 and the lower yoke 10. The connection mode is convenient for the disassembly of the shock absorber 20, and the disassembly connection of the lower fork arm 10 can be realized by adopting the embodiment of the utility model to the shock absorbers 20 with different lengths, so that the generalization of the lower fork arm 10 is realized.

The lower yoke of the embodiment of the present utility model, wherein the lower yoke 10 is made of an aluminum metal material. The aluminum metal material has lighter material, under the circumstances of guaranteeing joint strength, adopts aluminum metal material to make down yoke 10, can further alleviate down yoke 10's whole weight.

As shown in fig. 4, the embodiment of the present utility model further provides a vibration damping assembly, wherein the vibration damping assembly includes a vibration damper 20 and the lower fork arm 10 described above.

The embodiment of the utility model also provides a vehicle, wherein the vehicle comprises the vibration reduction assembly.

In specific implementation, the vehicle of the embodiment of the utility model comprises a vibration reduction assembly, the vibration reduction assembly comprises a vibration absorber 20 and a lower fork arm 10, the lower fork arm 10 comprises a mounting part 11, a fork arm part 12 and a connecting part 13, the lower fork arm 10 is connected with the vibration absorber 20 through the mounting part 11, the fork arm part 12 is connected with a swing arm of a chassis suspension of the vehicle, the fork arm part 12 comprises two fork arms 121 which are arranged at intervals along a second direction Y, and the two fork arms 121 are respectively detachably connected to two sides of the swing arm, so that the connection between the vibration absorber 20 and the swing arm is stable; the connecting portion 13 is connected to one end of the mounting portion 11 along the first direction X, connection with the mounting portion 11 is achieved, the fork arm portion 12 is connected to one end, away from the mounting portion 11, of the connecting portion 13, the connecting portion 13 can be used for connecting the mounting portion 11 and the fork arm portion 12, the connecting portion 13 is provided with a plurality of weight reducing holes 131 penetrating through the connecting portion 13, the weight of the fork arm portion 12 can be reduced under the condition that connection strength is guaranteed due to the arrangement of the weight reducing holes 131, accordingly overall manufacturing cost of the lower fork arm 10 is reduced, and overall weight and cost reduction effects of a vehicle are achieved.

It should be noted that in this document, relational terms such as "first" and "second" and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

Claims

1. A lower yoke, characterized in that the lower yoke (10) is used for connecting a shock absorber (20) and a swing arm of a vehicle chassis suspension, the lower yoke (10) comprising:

a mounting portion (11), the mounting portion (11) being connected to the damper (20);

a connecting part (13) connected to one end of the mounting part (11) along a first direction (X), wherein the connecting part (13) is provided with a weight reducing hole (131);

the fork arm part (12) is connected to one end, far away from the installation part (11), of the connecting part (13), the fork arm part (12) comprises two fork arms (121) which are arranged at intervals along a second direction (Y), and the two fork arms (121) are respectively connected to two sides of the swing arm.

2. The lower yoke according to claim 1, characterized in that in the second direction (Y) the maximum width of the connection (13) is smaller than the distance separating two of the yoke arms (121).

3. The lower yoke according to claim 2, characterized in that the connecting portion (13) has a width b in the second direction (Y), the width b having the following range: b is more than or equal to 45mm and less than or equal to 55mm.

4. The lower yoke according to claim 2, characterized in that the connecting portion (13) has a thickness d in a third direction (Z), said thickness d having the following range: d is more than or equal to 30mm and less than or equal to 40mm.

5. The lower yoke as defined in claim 1, wherein the connecting portion (13) comprises two connecting arms (132) arranged at intervals along the second direction (Y), the two connecting arms (132) being arranged in correspondence with the two yoke arms (121), a first end of each connecting arm (132) being connected to the mounting portion (11) and a second end being connected to the corresponding yoke arm (121).

6. The lower yoke according to claim 5, wherein the connecting portion (13) further comprises a plurality of reinforcing structures (133), wherein the weight-reducing holes (131) are provided between two adjacent reinforcing structures (133), and wherein the thickness of the reinforcing structures (133) in the third direction (Z) is smaller than the thickness of the connecting arm (132) in the third direction (Z).

7. The lower yoke according to claim 1, wherein the mounting portion (11) comprises a fixing section (111) and a locking section (112), the fixing section (111) has a fixing hole (1111), an opening (1112) and a fixing section body (1113), the damper (20) is fixable in the fixing hole (1111), the locking section (112) comprises two locking plates, the two locking plates are respectively provided at both sides of the opening (1112) and connected with the fixing section body (1113), and the relative movement of the two locking plates can control the width of the opening (1112).

8. The lower yoke according to claim 1, characterized in that the lower yoke (10) is made of an aluminium metal material.

9. Damping assembly, characterized in that it comprises a damper (20) and a lower fork arm (10) according to any one of claims 1 to 8.

10. A vehicle comprising a vibration damping assembly as claimed in claim 9.