阅读说明：本技术 一种汽车及其垂臂机构 (Automobile and arm hanging mechanism thereof ) 是由 陈前有 李骏 杨盛生 禤钊坚 陆挺 谢观生 于 2021-07-30 设计创作，主要内容包括：本发明涉及汽车零部件技术领域,公开了一种汽车及其垂臂机构,包括垂臂、垂臂轴、垂臂定位组件和密封罩,垂臂套设于垂臂轴外侧,垂臂定位组件安装于垂臂轴一端用于轴向定位垂臂,密封罩设于垂臂定位组件外侧并与垂臂定位组件卡接固定。本发明能够阻挡环境中的泥沙、水等物质与垂臂定位组件接触,从而避免垂臂定位组件被污染后生锈导致拆卸维修困难；另外,无需通过螺栓或螺钉进行连接,从而避免螺栓或螺钉生锈后导致难以将密封罩拆卸,多次拆装后仍能满足使用需求,保护垂臂定位组件不生锈,延长使用寿命。(The invention relates to the technical field of automobile parts and discloses an automobile and a plumbing arm mechanism thereof. The vertical arm positioning component can prevent sediment, water and other substances in the environment from contacting the vertical arm positioning component, so that the vertical arm positioning component is prevented from being polluted and rusted to cause difficulty in disassembly and maintenance; in addition, need not to connect through bolt or screw to lead to being difficult to dismantling the sealed cowling after avoiding bolt or screw to rust, still can satisfy the user demand after the dismouting many times, the protection hangs down arm locating component and does not rust increase of service life.)

1. A plumbing arm mechanism, characterized in that: including hanging down the arm, hanging down the arm axle, hanging down arm locating component and sealed cowling, it locates to hang down the arm cover hang down the arm axle outside, hang down the arm locating component install in hang down arm axle one end and be used for axial positioning hang down the arm, the sealed cowling is located hang down the arm locating component outside and with it is fixed to hang down the arm locating component joint.

2. The drop arm mechanism of claim 1, wherein: the drop arm positioning assembly comprises a drop arm gasket and a positioning nut, the drop arm gasket is sleeved on the drop arm shaft and attached to one end of the drop arm, the positioning nut is connected with the drop arm shaft and used for fixing the drop arm gasket, and the sealing cover is clamped with one end, close to the drop arm, of the drop arm gasket.

3. The drop arm mechanism of claim 2, wherein: and the edge of the plumbing arm gasket, which is close to one end of the plumbing arm, is provided with a chamfer used for clamping the sealing cover.

4. The drop arm mechanism of claim 1, wherein: the inside wall of the sealing cover is provided with a plurality of axial ribs which extend along the axial direction of the sealing cover and are raised, and the sealing cover is in interference fit with the vertical arm gasket through the axial ribs.

5. The drop arm mechanism of claim 4, wherein: the axial ribs are uniformly distributed along the circumferential direction of the sealing cover.

6. The drop arm mechanism of claim 1, wherein: the inside wall of the sealing cover is provided with an edge, the circumference of the sealing cover extends and protrudes radially, and the sealing cover is connected with the vertical arm gasket in a clamping mode through the radially ribs.

7. The drop arm mechanism of claim 6, wherein: the radial ribs are multiple and are uniformly distributed along the circumferential direction of the sealing cover at intervals.

8. The drop arm mechanism of claim 1, wherein: the sealing cover is made of PP + EPDM materials.

9. The drop arm mechanism of claim 2, wherein: the positioning nut is a groove nut.

10. An automobile, characterized in that: comprising a drop arm mechanism according to any of claims 1-9.

Technical Field

The invention relates to the technical field of automobile parts, in particular to an automobile and a vertical arm mechanism thereof.

Background

The drop arm is an important force transmission component in a steering system, and the service performance of an automobile can be influenced by the maintenance of the drop arm.

At present, for the commercial vehicle that two front axles are turned to, because its plumbing arm is located the driver's cabin outside, and the commercial vehicle environment is abominable, silt, water in the environment easily lead to being used for the fixed axial positioning subassembly of plumbing arm to appear rustting for dismouting difficulty during plumbing arm later stage maintenance, even can't pull down when serious.

Disclosure of Invention

The purpose of the invention is: the axial positioning assembly is rusted due to the fact that the vertical arm is in a severe vehicle using environment, so that the vertical arm is difficult to disassemble and even cannot be disassembled during later maintenance.

In order to solve the technical problem, the invention provides a plumbing arm mechanism which comprises a plumbing arm, a plumbing arm shaft, a plumbing arm positioning assembly and a sealing cover, wherein the plumbing arm is sleeved outside the plumbing arm shaft, the plumbing arm positioning assembly is installed at one end of the plumbing arm shaft and used for axially positioning the plumbing arm, and the sealing cover is covered outside the plumbing arm positioning assembly and is clamped and fixed with the plumbing arm positioning assembly.

In some embodiments of the application, the plumbing arm locating component includes plumbing arm packing ring and set nut, plumbing arm packing ring cover locate plumbing arm axle and with the laminating of plumbing arm one end, set nut with plumbing arm hub connection is used for fixing plumbing arm packing ring, the sealed cowling with plumbing arm packing ring is close to plumbing arm's one end joint.

In some embodiments of the present application, a chamfer for clamping the seal cover is provided at an edge of the drop arm gasket near one end of the drop arm.

In some embodiments of the present application, the seal cover inside wall is equipped with a plurality of edges the axial extension and the bellied axial rib of seal cover, the seal cover passes through the axial rib with hang down arm packing ring interference fit.

In some embodiments of the present application, a number of the axial ribs are arranged uniformly in the circumferential direction of the seal housing.

In some embodiments of this application, the seal cover inside wall is equipped with the edge the circumference of seal cover extends and bellied radial rib, the seal cover passes through radial rib with hang down arm packing ring joint.

In some embodiments of the present application, the radial ribs are plural, and the plural radial ribs are uniformly distributed along a circumferential direction of the seal cover at intervals.

In some embodiments of the present application, the sealing cap is made of PP + EPDM.

In some embodiments of the present application, the positioning nut is a castle nut.

Based on the purpose, the invention also provides an automobile comprising the vertical arm mechanism.

Compared with the prior art, the automobile and the arm hanging mechanism thereof have the beneficial effects that:

according to the vertical arm mechanism, the sealing cover is covered on the outer side of the vertical arm positioning component, so that in a severe vehicle using environment, the sealing cover can prevent substances such as silt, water and the like in the environment from contacting the vertical arm positioning component, and the vertical arm positioning component is prevented from being polluted and rusted to cause difficulty in disassembly and maintenance;

in addition, the seal cover and the arm locating component that hangs down can reach the auto-lock purpose through the joint after being fixed in the arm locating component that hangs down, need not to connect through bolt or screw to lead to being difficult to dismantle the seal cover after avoiding bolt or screw to rust, still can satisfy the user demand after the dismouting many times, protect the arm locating component that hangs down and do not rust increase of service life.

The automobile provided by the invention comprises the vertical arm mechanism, so that the maintenance of the automobile is facilitated, the use safety and stability of the automobile can be improved, and the maintenance cost of the automobile can be reduced.

Drawings

FIG. 1 is a cross-sectional view of a drop arm mechanism in an embodiment of the present invention;

FIG. 2 is a schematic view of the seal cap and drop arm gasket of an embodiment of the present invention.

In the figure, 1, a drop arm; 2. a boom shaft; 3. a drop arm positioning assembly; 31. a drop arm washer; 310. chamfering; 32. positioning a nut; 4. a sealing cover; 41. axial ribs; 42. radial ribs; 5. and a cotter pin.

Detailed Description

The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.

In the description of the present application, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the present application and simplifying the description, but do not indicate or imply that the referred device or element must have a particular orientation, be constructed in a particular orientation, and be operated, and thus should not be construed as limiting the present application.

In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.

As shown in fig. 1-2, an automobile according to a preferred embodiment of the present invention includes a plumbing arm mechanism, where the plumbing arm mechanism includes a plumbing arm 1, a plumbing arm shaft 2, a plumbing arm positioning assembly 3, and a sealing cover 4, the plumbing arm 1 is sleeved outside the plumbing arm shaft 2, the plumbing arm positioning assembly 3 is mounted at one end of the plumbing arm shaft 2 for axially positioning the plumbing arm 1, and the sealing cover 4 is covered outside the plumbing arm positioning assembly 3 and is clamped and fixed with the plumbing arm positioning assembly 3. In the embodiment, the sealing cover covers the outer side of the vertical arm positioning component, so that in a severe vehicle environment, the sealing cover can prevent substances such as silt, water and the like in the environment from contacting with the vertical arm positioning component, and the vertical arm positioning component is prevented from being polluted and rusted to cause difficulty in disassembly and maintenance; in addition, the seal cover and the arm locating component that hangs down can reach the auto-lock purpose through the joint after being fixed in the arm locating component that hangs down, need not to connect through bolt or screw to lead to being difficult to dismantle the seal cover after avoiding bolt or screw to rust, still can satisfy the user demand after the dismouting many times, protect the arm locating component that hangs down and do not rust increase of service life.

Specifically, the plumbing arm positioning assembly 3 in this embodiment includes a plumbing arm washer 31 and a positioning nut 32, the plumbing arm washer 31 is sleeved on the plumbing arm shaft 2 and attached to one end of the plumbing arm 1, the positioning nut 32 is connected with the plumbing arm shaft 2 for fixing the plumbing arm washer 31, so that when the positioning nut 32 fixes the plumbing arm shaft 2, the force applied to the plumbing arm shaft 2 by the positioning nut 32 can be more uniform through the plumbing arm washer 31, the plumbing arm 1 is protected by the plumbing arm washer 31, the end surface abrasion of the plumbing arm 1 is avoided, and in addition, the sealing cover 4 is clamped with one end of the plumbing arm washer 31 close to the plumbing arm 1; specifically, the positioning nut 32 in this embodiment is a slot nut.

Furthermore, the edge of the drop arm gasket 31 near one end of the drop arm 1 is provided with a chamfer 310 for clamping the sealing cover 4, so that when the drop arm gasket 31 is jointed with one end of the drop arm 1, a gap can be formed between the chamfer 310 of the drop arm gasket 31 and the drop arm 1, and the sealing cover 4 can be clamped and fixed in the gap.

In this embodiment, the inner side wall of the sealing cover 4 is provided with a plurality of axial ribs 41 which extend and protrude along the axial direction of the sealing cover 4, and when the sealing cover 4 is covered on the outer side of the drop arm positioning assembly 3, the sealing cover 4 can abut against the outer peripheral surface of the drop arm gasket 31 through the axial ribs 41, so that the sealing cover 4 and the drop arm gasket 31 form interference fit, the radial looseness of the sealing cover 4 is effectively prevented, and the sealing performance is ensured; specifically, the plurality of axial ribs 41 are uniformly arranged along the circumferential direction of the seal cover 4, so that the seal cover 4 and the drop arm gasket 31 are uniformly stressed when being installed in a matched mode.

Further, the inner side wall of the sealing cover 4 is provided with radial ribs 42 which extend and protrude along the circumferential direction of the sealing cover 4, the sealing cover 4 is clamped with the drop arm gasket 31 through the radial ribs 42, specifically, in this embodiment, the number of the radial ribs 42 is multiple, the radial ribs 42 are uniformly distributed along the circumferential direction of the sealing cover 4 at intervals, and the radial ribs 42 are clamped at the chamfer 310 of the drop arm gasket 31; the axial ribs 41 and the radial ribs 42 are arranged alternately in the axial direction of the seal housing 4.

Furthermore, the sealing cover 4 in this embodiment is made of PP + EPDM (polypropylene + EPDM rubber), which has excellent waterproof, heat-resistant, and aging-resistant properties, and the molded sealing cover 4 can have a certain elastic deformation, and the sealing property still meets the use requirement after multiple times of mounting, dismounting and clamping.

In conclusion, the automobile and the vertical arm mechanism thereof provided by the invention can prevent sediment, water and other substances in the environment from contacting with the vertical arm positioning assembly, so that the problem that the vertical arm positioning assembly is polluted and rusted to cause difficulty in disassembly and maintenance is avoided; in addition, the connection is not needed through bolts or screws, so that the sealing cover is prevented from being difficult to disassemble after the bolts or screws are rusted, the use requirement can be still met after the bolts or screws are disassembled and assembled for many times, the plumbing arm positioning assembly is protected from rusting, and the service life is prolonged; finally, the maintenance cost of the automobile is reduced, and the driving safety and stability of the automobile are improved.

The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and substitutions can be made without departing from the technical principle of the present invention, and these modifications and substitutions should also be regarded as the protection scope of the present invention.