CN214524048U

CN214524048U - Steering knuckle structure

Info

Publication number: CN214524048U
Application number: CN202120651633.4U
Authority: CN
Inventors: 胡恒
Original assignee: Dongfeng Dana Axle Co Ltd
Current assignee: Dongfeng Dana Axle Co Ltd
Priority date: 2021-03-30
Filing date: 2021-03-30
Publication date: 2021-10-29
Anticipated expiration: 2031-03-30

Abstract

The utility model provides a knuckle structure, including the knuckle body, the knuckle body includes the knuckle assembly, both ends are connected with first coupling mechanism and second coupling mechanism about the right side of knuckle assembly, first coupling mechanism includes the engaging lug, the inboard of going up the engaging lug has been seted up and has been installed the chamber, the inside installation room that is provided with of upside of going up the installation room, the inboard upper end of going up the installation room is provided with the spacing ring, second coupling mechanism includes lower engaging lug, the internally mounted of lower engaging lug and last engaging lug has the knuckle swizzle, the both sides upper end of knuckle swizzle is provided with curved mouth grease mouth, the both sides outer end of knuckle swizzle is provided with the swizzle blanking cap, the utility model discloses a blanking cap about the jump ring direct fixation swizzle reduces part kind and quantity, assembly process simple and easy, Better sealing performance, reduced steering friction force and more space release.

Description

Steering knuckle structure

Technical Field

The utility model belongs to the technical field of the knuckle, specifically be a knuckle structure.

Background

The Steering Knuckle (Steering Knuckle) is one of the important parts in the automobile Steering axle, which can make the automobile stably run and sensitively transfer the running direction, and the Steering Knuckle is used for transferring and bearing the front load of the automobile, and supporting and driving the front wheel to rotate around the kingpin so as to steer the automobile. Under the driving state of the automobile, the steering knuckle bears changeable impact load, so that the steering knuckle is required to have high strength, along with the continuous development of the commercial vehicle technology and the application of various light-weight technologies, the space structure is more and more reasonable and compact, and the space requirement on a front axle assembly is more and more strict.

In the prior art, an upper lug of a steering knuckle of a front axle assembly is connected by an upper main pin end cover and a sealing paper gasket and 4 bolts in general, and the connecting mode has the advantages of more required parts, large quantity, complex assembly process and larger occupied space; and the lower lug is fixed on the main pin by adopting a lower main pin blanking cover, a plain washer and a bolt, and the lower main pin blanking cover is in interference fit, so that the steering friction resistance is increased, and the using effect is greatly reduced, so that the steering knuckle structure is provided to solve the problems.

Disclosure of Invention

An object of the utility model is to provide a knuckle structure to solve the problem that proposes among the above-mentioned background art.

The utility model adopts the technical scheme as follows:

the utility model provides a knuckle structure, includes the knuckle body, the knuckle body includes the knuckle assembly, both ends are connected with first coupling mechanism and second coupling mechanism about the right side of knuckle assembly, first coupling mechanism includes the engaging lug, the installation cavity has been seted up to the inboard of going up the engaging lug, the inside installation room that is provided with of upside of going up the installation cavity, the inboard upper end of going up the installation room is provided with the spacing ring, second coupling mechanism includes engaging lug down, the internally mounted of engaging lug and last engaging lug has the knuckle swizzle down, the both sides upper end of knuckle swizzle is provided with curved mouth grease mouth, the both sides outer end of knuckle swizzle is provided with the swizzle blanking cover.

In the technical scheme, the lower mounting cavity is formed in the inner side of the lower connecting lug, the lower mounting cavity is arranged inside the lower side of the lower mounting cavity, the lower end of the inner side of the lower mounting cavity is provided with a second limiting ring, and the outer ends of the two sides of the main pin blanking cover are provided with limiting snap springs.

Further, in the above technical scheme, the limiting snap spring is clamped and installed in the limiting ring and the second limiting ring on the inner sides of the upper installation chamber and the lower installation chamber, and the overall length and width of the upper installation chamber and the lower installation chamber are the same.

In the technical scheme, the whole main pin blanking cover is made for the stamping part framework, the outside of the main pin blanking cover is wrapped with the sealing rubber, the distance from the upper side of the knuckle main pin to the limiting ring is the same as the distance from the lower side of the knuckle main pin to the second limiting ring, and the knuckle main pin is matched with the lower mounting cavity and the upper mounting cavity.

In the technical scheme, the main pin blanking cover is integrally installed together with the upper installation chamber and the lower installation chamber in an interference fit mode, and the width of the two sides of the limiting ring and the second limiting ring is larger than the width of the upper installation chamber and the width of the lower installation chamber.

In the technical scheme, the movable cavity is reserved at the top of the side, away from the upper connecting lug and the lower connecting lug, of the main pin blocking cover.

Compared with the prior art, the beneficial effects of the utility model are that:

(1) the size and the size of the lower engaging lug and the upper engaging lug adopted by the steering knuckle structure provided by the utility model are consistent, the type of machining tools can be reduced, meanwhile, the type and the number of required parts are reduced by adopting a main pin blanking cover and a limiting snap spring, when the steering knuckle main pin is connected with the lower engaging lug and the upper engaging lug, the main pin blanking cover is in interference fit with the upper installation chamber and the lower installation chamber, and meanwhile, the outer side of the main pin blanking cover is wrapped by sealing rubber, so that the integral sealing performance is ensured;

(2) the utility model discloses in when the knuckle structure that provides installs through spacing jump ring, assembly process is simple, has practiced thrift the assembly space, and the swizzle blanking cover assembles on spacing ring and second spacing ring with spacing jump ring, no longer has the assembly relation with the knuckle swizzle, does not have relative motion relation with the knuckle body, reduces to turn to frictional resistance, has released last engaging lug and lower engaging lug below space simultaneously, solves here space nervous problem.

Drawings

FIG. 1 is a structural view of the steering knuckle body of the present invention;

FIG. 2 is a schematic view of the assembly of the knuckle assembly and the kingpin cap of the present invention;

fig. 3 is a schematic diagram of a part of an enlarged structure at a position a of the present invention;

fig. 4 is a schematic diagram of a part of an enlarged structure at the position B of the present invention;

in the figure:

the steering knuckle comprises a steering knuckle body 1, a steering knuckle assembly 2, a limiting clamp spring 3, a kingpin block cover 4, a kingpin 5, a steering knuckle kingpin 6, a bent nozzle grease nozzle 7, a limiting ring 8, an upper mounting chamber 9, an upper mounting chamber 10, an upper connecting lug 11, a lower mounting chamber 12, a lower mounting chamber 13, a second limiting ring 14 and a lower connecting lug 14.

Detailed Description

The present invention is further described in detail below with reference to specific examples so that those skilled in the art can more clearly understand the present invention.

The following examples are provided only for illustrating the present invention and are not intended to limit the scope of the present invention.

Unless otherwise specified, the technical means used in the examples of the present invention are conventional means well known to those skilled in the art.

Referring to fig. 1-4, a knuckle structure includes a knuckle body 1, the knuckle body 1 includes a knuckle assembly 2, the upper and lower ends of the right side of the knuckle assembly 2 are connected with a first connecting mechanism a and a second connecting mechanism B, the first connecting mechanism a includes an upper connecting lug 10, the inner side of the upper connecting lug 10 is provided with an upper mounting chamber 9, the upper side of the upper mounting chamber 9 is internally provided with an upper mounting chamber 8, the upper end of the inner side of the upper mounting chamber 8 is provided with a limit ring 7, the second connecting mechanism B includes a lower connecting lug 14, the lower connecting lug 14 and the inner side of the upper connecting lug 10 are provided with a knuckle main pin 5, the knuckle main pin is limited by the upper mounting chamber 8 and the lower mounting chamber 12, the upper ends of the two sides of the knuckle main pin 5 are provided with a bent nozzle grease nipple 6, the outer ends of the two sides of the knuckle main pin 5 are provided with main pin block covers 4, the main pin block covers 4 are assembled on the limit ring 7 and the second limit ring 13 by a limit clamp spring 3, and the steering knuckle main pin 5 has no assembly relation any more, and has no relative movement relation with the steering knuckle body 1, so that the steering friction resistance is reduced.

It should be noted that, the lower installation cavity 11 has been seted up to the inboard of lower engaging lug 14, and the inside installation room 12 that is provided with of downside of lower installation cavity 11, and the inboard lower extreme of lower installation room 12 is provided with second spacing ring 13, and the both sides outer end of swizzle blanking cover 4 is provided with spacing jump ring 3, and knuckle assembly 2 adopts swizzle blanking cover 4 and spacing jump ring 3 from top to bottom simultaneously, and adopts swizzle blanking cover 4 and spacing jump ring 3 to have reduced required part kind and quantity.

It should be noted that the limiting snap spring 3 is clamped and installed in the limiting ring 7 and the second limiting ring 13 on the inner sides of the upper installation chamber 8 and the lower installation chamber 12, the overall length and width of the upper installation chamber 9 and the lower installation chamber 11 are the same, the size and the dimension of the lower engaging lug 14 and the size of the upper engaging lug 10 adopted by the knuckle assembly 2 are the same, the types of machining tools can be reduced, and meanwhile, the knuckle assembly 2 is ensured to adopt the kingpin blanking cover 4 and the limiting snap spring 3 at the upper and the lower sides simultaneously.

It should be noted that the kingpin blanking cover 4 is integrally made of a stamping part framework, sealing rubber is wrapped outside the kingpin blanking cover 4, the distance from the upper side of the kingpin 5 to the limiting ring 7 is the same as the distance from the lower side of the kingpin 5 to the second limiting ring 13, and the kingpin 5 is matched with the lower mounting cavity 11 and the upper mounting cavity 9.

It should be noted that, the whole main pin blanking cover 4 is installed together with the upper installation chamber 8 and the lower installation chamber 12 in an interference fit manner, the widths of the two sides of the limiting ring 7 and the second limiting ring 13 are larger than the widths of the upper installation chamber 8 and the lower installation chamber 12, the main pin blanking cover 4 is in an interference fit with the upper installation chamber 8 and the lower installation chamber 12, and meanwhile, the sealing rubber is wrapped outside the outer side of the main pin blanking cover 4, so that the whole sealing performance is ensured.

It should be noted that a movable cavity is left at the top of the side of the main pin blocking cover 4 away from the upper engaging lug 10 and the lower engaging lug 14, so that the space above and below the upper engaging lug 10 and the lower engaging lug 14 is released, and the problem of space shortage is solved.

The working principle is as follows: the utility model discloses a lower engaging lug 14 that knuckle assembly 2 adopted is unanimous with last engaging lug 10 size, can reduce the processing cutter kind, guarantee knuckle assembly 2 simultaneously from top to bottom adopt a swizzle blanking cover 4 and spacing jump ring 3, and adopt swizzle blanking cover 4 and spacing jump ring 3 to reduce required part kind and quantity, when swizzle 5 is connected with lower engaging lug 14 and upper engaging lug 10, swizzle blanking cover 4 adopts interference fit with upper installation room 8 and lower installation room 12, the outside of swizzle blanking cover 4 wraps up sealing rubber simultaneously, the holistic sealing performance has been guaranteed, when installing through spacing jump ring 3 simultaneously, the assembly process is simple, the assembly space has been practiced thrift, swizzle blanking cover 4 assembles on spacing ring 7 and second spacing ring 13 with spacing jump ring 3, no longer has the assembly relation with knuckle swizzle 5, no relative motion relation with knuckle body 1, the steering friction resistance is reduced, and meanwhile, the space above and below the upper connecting lug 10 and the lower connecting lug 14 is released, so that the problem of space shortage at the position is solved.

The utility model discloses the standard parts that use all can purchase from the market, and dysmorphism piece all can be customized according to the record of the description with the drawing.

Finally, the method of the present invention is only a preferred embodiment and is not intended to limit the scope of the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A knuckle structure comprising a knuckle body (1), characterized in that:

the steering knuckle body (1) comprises a steering knuckle assembly (2), the upper end and the lower end of the right side of the steering knuckle assembly (2) are connected with a first connecting mechanism (A) and a second connecting mechanism (B), the first connecting mechanism (A) comprises an upper connecting lug (10), an upper mounting cavity (9) is arranged on the inner side of the upper connecting lug (10), an upper mounting chamber (8) is arranged inside the upper side of the upper mounting cavity (9), the upper end of the inner side of the upper mounting chamber (8) is provided with a limit ring (7), the second connecting mechanism (B) comprises a lower connecting lug (14), a steering knuckle kingpin (5) is arranged in the lower connecting lug (14) and the upper connecting lug (10), the upper ends of the two sides of the knuckle kingpin (5) are provided with a curved nozzle grease nozzle (6), and the outer ends of the two sides of the knuckle master pin (5) are provided with master pin blocking covers (4).

2. A knuckle structure according to claim 1, wherein:

installation cavity (11) down have been seted up to the inboard of lower engaging lug (14), installation cavity (12) down are provided with to the downside inside of installation cavity (11) down, the inboard lower extreme of installation cavity (12) is provided with second spacing ring (13) down, the both sides outer end of swizzle blanking cover (4) is provided with spacing jump ring (3).

3. A knuckle structure according to claim 2, wherein:

spacing jump ring (3) joint is installed in spacing ring (7) and second spacing ring (13) of the inboard of last installation room (8) and lower installation room (12), it is the same with the width with the whole length of lower installation cavity (11) to go up installation cavity (9).

4. A knuckle structure according to claim 1, wherein:

the whole stamping workpiece skeleton that makes of swizzle blanking cover (4), the outside outsourcing sealing rubber of swizzle blanking cover (4), the distance of the upside of knuckle swizzle (5) to spacing ring (7) is the same with the distance of the downside of knuckle swizzle (5) to second spacing ring (13), knuckle swizzle (5) and lower installation cavity (11) and last installation cavity (9) looks adaptation.

5. A knuckle structure according to claim 1, wherein:

the main pin blanking cover (4) is integrally installed together with the upper installation chamber (8) and the lower installation chamber (12) in an interference fit mode, and the width of the two sides of the limiting ring (7) and the second limiting ring (13) is larger than that of the upper installation chamber (8) and the lower installation chamber (12).

6. A knuckle structure according to claim 1, wherein:

and a movable cavity is reserved at the top of one side of the main pin blocking cover (4) away from the upper connecting lug (10) and the lower connecting lug (14).