Anti-corrosion automobile control arm

Abstract

The utility model discloses an anti-corrosion automobile control arm which comprises a control arm body, a protective cover is connected outside the control arm body in a sleeved mode, and the protective cover is at least used for isolating the control arm body from outside air and wrapping most of the control arm body. A sacrificial anode electrically connected with the control arm body is arranged in the middle of the protective cover, and the sacrificial anode is at least used as a sacrificial material when the control arm is corroded, so that the anti-corrosion protection effect on the control arm is achieved. The protective cover can wrap most of the control arm, so that the control arm is isolated from the outside, the anti-corrosion effect on the control arm is achieved, meanwhile, the sacrificial anode is adopted, the anti-corrosion effect on the control arm is achieved from the aspect of electrochemical corrosion, the anti-corrosion effect on the exposed part of the control arm is achieved through anti-corrosion oil liquid, and the service life of the control arm is prolonged. Therefore, the optimal anti-corrosion effect of the control arm is achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of automobile control arm, specifically relates to a kind of anticorrosive automobile control arm. BACKGROUND

[0002] Control arm is one of the key elements in the automobile suspension system, which plays a crucial role in vehicle driving. The arm is connected to the vehicle body through ball joint or bushing, forming a flexible guide and force transmission bridge, ensuring the smooth cooperation between the wheel and the vehicle body. They are the pillars of the suspension system, which can absorb the impact force of the road surface, and through the guide and support of axle, hub and steering knuckle, ensure the stable driving and accurate steering of vehicle under different road conditions.

[0003] Generally, control arm is made of metal material, early adopt stamping and welding steel, later turn to more solid and durable cast iron, although weight increases. Today, cast aluminum becomes mainstream, taking into account lightweight and corrosion resistance, but the cost also increases. For the corrosion caused by automobile control arm in use, it has been difficult to solve the problem, therefore, it is urgent to design an anticorrosive automobile control arm to solve the above problems. SUMMARY

[0004] The utility model aims at providing an anticorrosive automobile control arm to solve the above problems in the prior art.

[0005] In order to achieve the above purpose, the utility model provides the following technical scheme:

[0006] An anticorrosive automobile control arm, comprising a control arm body, a protective cover is sleeved on the outside of the control arm body, the protective cover is at least used to realize the isolation of the control arm body and the outside air, and most of the control arm body is wrapped;

[0007] A sacrificial anode electrically connected to the control arm body is arranged in the middle of the protective cover, and the sacrificial anode is at least used as a sacrificial material when the control arm is corroded, so as to have the effect of anticorrosion protection on the control arm;

[0008] An oil injection nozzle one and an oil injection nozzle two are arranged on one side outer wall of the control arm body, and an oil tank is arranged on the control arm body, the oil tank is at least used for storing anticorrosive oil, and an oil tank cover is arranged on the oil tank.

[0009] A paint layer is arranged on the outer surface of the control arm body, and the paint layer is at least used for isolating the control arm and the outside air.

[0010] Preferably, notches are arranged on both sides of the control arm body, and the depth of the notches is 0.4 / 10-1 / 10 of the thickness of the control arm body.

[0011] Preferably, the protective cover is provided with a binding head one and a binding head two at two ends respectively, and the control arm body is externally provided with a clamping groove one and a clamping groove two matched with the binding head one and the binding head two.

[0012] Preferably, the binding head one and the binding head two are embedded in the clamping groove one and the clamping groove two respectively, and the clamping groove one and the clamping groove two are internally provided with a sealing ring.

[0013] Preferably, the outer surface of the protective cover can be a hard plane.

[0014] And / or, the outer surface of the protective cover can be corrugated.

[0015] And / or, the outer surface of the protective cover can be soft.

[0016] Preferably, the paint layer comprises, from outside to inside, a primer, an intermediate paint and a topcoat in sequence.

[0017] Preferably, the control arm body is provided with a ball head and a hinged head at two ends respectively, and is provided with a fork arm mounting hole on one side, and the oil injection nozzle one and the oil storage tank are in communication with the fork arm mounting hole and the hinged head, and the oil injection nozzle two is in communication with the ball head.

[0018] In the above technical solution, the anti-corrosion automobile control arm has the following beneficial effects:

[0019] The protective cover can wrap most of the control arm, so that the control arm is isolated from the outside world, and the anti-corrosion effect of the control arm is achieved, the sacrificial anode is used to achieve the anti-corrosion effect of the control arm from the aspect of electrochemical corrosion, and the anti-corrosion oil liquid is used to achieve the anti-corrosion of the external exposed part, so that the best anti-corrosion effect of the control arm is achieved. BRIEF DESCRIPTION OF DRAWINGS

[0020] In order to more clearly illustrate the technical solutions in the embodiments or the prior art, the drawings needed in the embodiments will be briefly introduced below, and obviously, the drawings in the following description are only some embodiments described in the present application, and other drawings can also be obtained by those skilled in the art according to these drawings.

[0021] Figure 1 The structure schematic view of the anti-corrosion automobile control arm is provided.

[0022] Figure 2 The structure schematic view of the anti-corrosion automobile control arm is provided.

[0023] Figure 3 The structure schematic view of the anti-corrosion automobile control arm is provided.

[0024] Figure 4 The embodiment of the anti-corrosion automobile control arm provided by the utility model is provided with the electrochemical anti-corrosion principle diagram of the sacrificial anode.

[0025] 1, control arm body; 2, notch; 3, protective cover; 4, binding head one; 5, binding head two; 6, corrugation; 7, sacrificial anode; 8, oil nozzle one; 9, oil tank; 10, oil tank cover; 11, oil nozzle two; 12, paint layer; 13, primer; 14, intermediate paint; 15, topcoat; 16, ball head; 17, fork arm mounting hole; 18, hinge; 19, clamping groove one; 20, clamping groove two. DETAILED DESCRIPTION

[0026] In order for those skilled in the art to better understand the technical scheme of the utility model, the utility model will be further described in detail below in combination with the drawings.

[0027] As Figures 1-4 shown, the utility model embodiment provides an anti-corrosion automobile control arm, including control arm body 1, the outside of control arm body 1 is connected with protective cover 3, protective cover 3 is used at least to realize the isolation of control arm body 1 with outside air, realizes the wrapping of most of control arm body 1, the middle part of protective cover 3 is provided with the sacrificial anode 7 of electric connection with control arm body 1, the sacrificial anode 7 is used at least to be the sacrificial material when the corrosion of control arm occurs, to the control arm plays the effect of anticorrosion protection, one side outer wall of control arm body 1 is provided with oil nozzle one 8 and oil nozzle two 11, and control arm body 1 is provided with oil tank 9, and oil tank 9 is used at least to store anticorrosive oil, and oil tank 9 is provided with oil tank cover 10, the outer surface of control arm body 1 is provided with paint layer 12, and paint layer 12 is used at least to control the isolation of arm with outside air.

[0028] In the embodiment, including control arm body 1, the outside of control arm body 1 is connected with protective cover 3, protective cover 3 is made of air-tight plastic material, protective cover 3 is used at least to realize the isolation of control arm body 1 with outside air, realizes the wrapping of most of control arm body 1,

[0029] Specifically, the two ends of protective cover 3 are respectively provided with binding head one 4 and binding head two 5, the outside of control arm body 1 is provided with clamping groove one 19 and clamping groove two 20 matched with binding head one 4 and binding head two 5, binding head one 4 and binding head two 5 are clamped in the inside of clamping groove one 19 and clamping groove two 20, to realize the fixed installation of protective cover 3 on the outside of control arm,

[0030] Specifically, binding head one 4 and binding head two 5 are embedded in the inside of clamping groove one 19 and clamping groove two 20, the inside of clamping groove one 19 and clamping groove two 20 is provided with sealing ring, the sealing ring structure is used, to further improve the sealing effect of protective cover 3 to control arm.

[0031] Specifically, the outer surface of the protective cover 3 can be a hard plane, which can keep the outside of the protective cover 3 flat, so that the appearance of the control arm is better.

[0032] Specifically, the outer surface of the protective cover 3 can be a corrugation 6, which has a stretching function, so that the corrugation structure of the protective cover 3 can be better adapted to the installation and use of control arms of different specifications.

[0033] Specifically, the outer surface of the protective cover 3 can be a soft body, which is irregular in shape, and is sleeved on the outside of the control arm, which can be adapted to the use of control arms of different structures.

[0034] In this embodiment, the middle part of the protective cover 3 is provided with a sacrificial anode 7 electrically connected with the control arm body 1, which is at least used as a sacrificial material when the control arm is corroded, thereby playing a corrosion protection effect on the control arm. The necessary conditions for electrochemical corrosion are composed of anode, cathode, dielectric, and current loop. Zinc and other materials are used as sacrificial anodes 7, thereby playing a corrosion protection effect on the material of the control arm.

[0035] In this embodiment, the control arm body 1 is provided with an oil injection nozzle one 8 and an oil injection nozzle two 11 on one side of the outer wall, and is provided with an oil tank 9, which is at least used for storing anticorrosive oil. The oil tank 9 is provided with an oil tank cover 10.

[0036] Specifically, the control arm body 1 is respectively provided with a ball head 16 and a hinged joint 18 at both ends, and is provided with a fork arm mounting hole 17 on one side. The oil injection nozzle one 8 and the oil tank 9 are in communication with the fork arm mounting hole 17 and the hinged joint 18. The oil injection nozzle two 11 is in communication with the ball head 16. People can inject anticorrosive oil into the inside of the control arm through the oil injection nozzle one 8 and the oil injection nozzle two 11, or temporarily store the anticorrosive oil in the inside of the oil tank 9, thereby playing a corrosion protection effect on the fork arm mounting hole 17, the ball head 16 and the hinged joint 18.

[0037] In this embodiment, the outer surface of the control arm body 1 is provided with a paint layer 12, which is at least used for isolating the control arm from the outside air.

[0038] Specifically, the paint layer 12 includes a primer 13, an intermediate paint 14 and a topcoat 15 from the control arm body 1 outward in turn. The primer 13 adopts zinc-rich primer, which has good adhesion with the material of the control arm. The intermediate paint 14 adopts epoxy cloud iron paint. The interlaced laminated cloud iron can effectively block the penetration of water, oxygen and electrolyte. The topcoat 15 adopts high-performance topcoat with good color retention and gloss retention.

[0039] In the embodiment, the control arm body 1 is provided with notches 2 on both sides, and the depth of the notches 2 is 0.4 / 10-1 / 10 of the thickness of the control arm body 1, so as to reduce the weight of the control arm, reduce the stress of the control arm, improve the use strength of the control arm, and the protective cover 3 is arranged outside the notches 2.

[0040] The anti-corrosion automobile control arm provided by the utility model adopts the protective cover 3, can realize the wrapping of most of the control arm, so as to isolate the control arm from the outside world, achieves the anti-corrosion effect of the control arm, simultaneously adopts the sacrificial anode 7, realizes the anti-corrosion effect of the control arm from the aspect of electrochemical corrosion, and realizes the anti-corrosion of the external exposed part through the anti-corrosion oil liquid, so as to achieve the best anti-corrosion effect of the control arm.

[0041] It is needless to say that the ordinary skilled in the art can modify the described embodiments in various manners without departing from the spirit and scope of the utility model. Therefore, the above drawings and description are illustrative in nature, and should not be understood as limiting the scope of protection of the utility model.

Claims

1. A corrosion-protected control arm for a motor vehicle, comprising a control arm body (1), characterized in that The control arm body (1) is sleeved with a protective cover (3) which is used to isolate the control arm body (1) from the outside air and wrap most of the control arm body (1). A sacrificial anode (7) is arranged in the middle of the protective cover (3) and electrically connected with the control arm body (1), which is used to serve as a sacrificial material when the control arm is corroded, thereby playing a corrosion protection effect on the control arm. An oil injection nozzle (8) and an oil injection nozzle (11) are arranged on the outer wall of one side of the control arm body (1), and an oil tank (9) is arranged on the control arm body (1), which is used to store anticorrosive oil, and an oil tank cover (10) is arranged on the oil tank (9). A paint layer (12) is arranged on the outer surface of the control arm body (1), which is used to isolate the control arm from the outside air.

2. The corrosion resistant control arm of claim 1, wherein Grooves (2) are arranged on both sides of the control arm body (1), and the depth of the grooves (2) is 0.4 / 10-1 / 10 of the thickness of the control arm body (1).

3. The corrosion resistant control arm of claim 1, wherein The protective cover (3) is provided with a binding head (4) and a binding head (5) at both ends, and the control arm body (1) is provided with a clamping groove (19) and a clamping groove (20) matched with the binding head (4) and the binding head (5).

4. The corrosion resistant control arm of claim 3, wherein The binding head (4) and the binding head (5) are respectively embedded in the clamping groove (19) and the clamping groove (20), and the clamping groove (19) and the clamping groove (20) are provided with sealing rings.

5. The corrosion resistant control arm of claim 3, wherein The outer surface of the protective cover (3) can be a hard plane. And / or, the outer surface of the protective cover (3) can be corrugated (6). And / or, the outer surface of the protective cover (3) can be soft.

6. The corrosion resistant control arm of claim 1, wherein The paint layer (12) comprises, from outside to inside, a primer (13), an intermediate paint (14) and a topcoat (15).

7. The corrosion resistant control arm of claim 1, wherein The control arm body (1) is provided with a ball head (16) and a hinge joint (18) at both ends, and a fork arm mounting hole (17) is arranged on one side of the control arm body (1), the oil injection nozzle (8) and the oil tank (9) are in communication with the fork arm mounting hole (17) and the hinge joint (18), and the oil injection nozzle (11) is in communication with the ball head (16).

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