Stable and reliable metal control arm assembly

Abstract

The utility model relates to the technical field of metal accessories, in particular to a stable and reliable metal control arm assembly which comprises an upper metal arm body and a lower metal arm body which are arranged in parallel up and down, and a center supporting spring is elastically arranged between the middle portions of the upper metal arm body and the lower metal arm body which are arranged in parallel up and down. The double supporting arms of the upper metal arm body and the lower metal arm body are arranged to synchronously support the connecting cylinder piece, the overall supporting strength of the accessory can be improved, and the connecting plate and the connecting cylinder piece are not prone to breakage; meanwhile, a center supporting spring is arranged between the middle of the upper metal arm body and the middle of the lower metal arm body for elastic supporting, and connecting plates at the outer ends of the metal arm body and the lower metal arm body are elastically supported through an edge supporting spring. In this way, when large stress happens to the connecting cylinder piece, elastic supporting can be achieved under the action of the center supporting spring and the edge supporting springs, the elastic supporting effect of suspension is improved, and the connecting plate and the connecting cylinder piece are not prone to being broken and damaged.

Description

TECHNICAL FIELD

[0001] The utility model is stable and reliable metal control arm assembly relates to metal fittings technical field. BACKGROUND

[0002] The metal control arm is a necessary component for realizing the suspension of a vehicle body, and its function is to realize the elastic connection between the vehicle body and the wheels, so as to realize the transmission and guidance of the two, the control arm transmits the stress of the wheels to the vehicle body, and ensures the advancing direction of the wheels, the structure of the control arm affects the stability and reliability of the vehicle, and the control arm assembly is usually triangular and integrally processed, in the use process, the control arm assembly is usually connected in single, the strength needs to be improved, when the stress is applied, the control arm does not have good double support, and if the stress is too concentrated on the end of the connecting plate, the connecting plate is also prone to breakage, and the control arm does not have a buffering effect, therefore, the stability and reliability of the metal control arm need to be improved, and thus it is necessary for our company to propose a stable and reliable metal control arm assembly to improve the above problems. SUMMARY

[0003] In view of the defects in the prior art, the utility model aims at providing a stable and reliable metal control arm assembly to solve the problems mentioned in the background.

[0004] In order to realize the above-mentioned purpose, the utility model is realized through the following technical scheme: a stable and reliable metal control arm assembly, which comprises an upper metal arm body and a lower metal arm body arranged in parallel, a center support spring elastically arranged between the middle parts of the upper metal arm body and the lower metal arm body arranged in parallel, and a bolt penetratingly arranged in the middle parts of the upper metal arm body and the lower metal arm body arranged in parallel, the center support spring is sleeved on the bolt, a first nut is locked at the end of the bolt, and the first nut is used for locking and limiting the upper metal arm body and the lower metal arm body on the upper side and the lower side of the center support spring.

[0005] Further improvement is that: the connecting cylinder is integrally provided with a lug on the upper side and the lower side, the two lugs are staggered on the upper side of the connecting plate of the upper metal arm body and the lower side of the connecting plate of the lower metal arm body, and a limiting pin is penetratingly inserted between the connecting plate and the lug for mutual connection.

[0006] Further improvement is that: the limiting pin is sleeved with an edge support spring in the middle part, and the edge support spring is elastically supported between the connecting plates of the upper metal arm body and the lower metal arm body.

[0007] Further improvement is that the limiting bolt is integrally provided with threaded rods at two ends, and the outer ends of the two threaded rods are threadedly sleeved with second nuts.

[0008] Further improvement is that the connecting plate is provided with arc-shaped openings at outer ends, and the arc-shaped openings are adapted to abut against the outer surface of the connecting barrel.

[0009] Compared with the prior art, the utility model has the following advantages:

[0010] The utility model discloses a metal control arm, which comprises a connecting barrel, a connecting plate and a metal arm body, wherein the connecting plate is connected to the connecting barrel, and the metal arm body is connected to the connecting plate. BRIEF DESCRIPTION OF DRAWINGS

[0011] Other features, objects and advantages of the utility model will become more apparent through reading the following detailed description of non-restrictive embodiments with reference to the accompanying drawings:

[0012] Fig. 1 It is a structural schematic diagram of the utility model;

[0013] Fig. 2 It is a front view structural schematic diagram of the bolt and the upper metal arm body and the lower metal arm body of the utility model;

[0014] Fig. 3 It is a disassembly structural schematic diagram of the connecting barrel, the upper metal arm body and the lower metal arm body of the utility model;

[0015] In the drawing: upper metal arm body 1, lower metal arm body 2, center support spring 3, bolt 4, first nut 41, connecting plate 5, arc-shaped opening 51, connecting barrel 6, lug 61, limiting bolt 7, threaded rod 71, edge support spring 8, second nut 9. DETAILED DESCRIPTION

[0016] In order to make the technical means, creative features, purposes and effects of the utility model easy to understand, the utility model is further described below in combination with specific embodiments.

[0017] Please refer to Figs. 1-3 The utility model provides stable and reliable technical scheme of metal control arm assembly: including upper and lower parallel setting upper metal arm body 1 and lower metal arm body 2, and the elastic setting of central support spring 3 between upper metal arm body 1 and lower metal arm body 2 middle part of upper and lower parallel setting, and the bolt 4 of upper metal arm body 1 and lower metal arm body 2 middle part is set through, central support spring 3 is set on the bolt 4, and the first nut 41 of the end locking of this bolt 4 is used for the limiting locking of upper metal arm body 1 and lower metal arm body 2 on the upper and lower sides of central support spring 3, so that upper metal arm body 1 and lower metal arm body 2 realize double arm elastic support, because and upper metal arm body 1 and lower metal arm body 2 outer edge are integrally provided with three connecting plates 5, and the connecting cylinder piece 6 of dismounting is set between the connecting plate 5 of upper metal arm body 1 and lower metal arm body 2 corresponding connecting plate 5, three connecting cylinder pieces 6 are connected with wheel and suspension respectively, so that the double arm elastic support of upper metal arm body 1 and lower metal arm body 2 can greatly improve the support effect of the support strength of overall structure.

[0018] Among them, in order to facilitate the dismounting of connecting cylinder piece 6, the upper and lower sides of connecting cylinder piece 6 are integrally provided with protruding blocks 61, and the two protruding blocks 61 are staggered on the upper side of the connecting plate 5 of upper metal arm body 1 and the lower side of the connecting plate 5 of lower metal arm body 2, and are connected with each other by inserting the limiting pin 7 through the connecting plate 5 and the protruding block 61, the limiting pin 7 can limit the rotation of the connecting cylinder piece 6, and the connecting cylinder piece 6 and the connecting plate 5 can be limited and inserted together.

[0019] In order to improve the elastic support effect of upper metal arm body 1 and lower metal arm body 2, the middle part of limiting pin 7 is sleeved with edge support spring 8, and the edge support spring 8 is elastically supported between the connecting plate 5 of upper metal arm body 1 and lower metal arm body 2, so that the edge support spring 8 can be used to elastically support the outer side of upper metal arm body 1 and lower metal arm body 2, improve the elastic support effect, which is beneficial to avoid damage to the parts caused by stress concentration, and the two ends of the limiting pin 7 can be integrally provided with threaded rods 71, and the outer ends of the two threaded rods 71 are threadedly sleeved with second nuts 9, which limits and locks the connecting cylinder piece 6 on the connecting plate 5 outside upper metal arm body 1 and lower metal arm body 2, and also avoids the rotation of upper metal arm body 1 and lower metal arm body 2, so that the three ends keep the same direction.

[0020] Further, the outer end of the connecting plate 5 is provided with an arc-shaped opening 51, and the arc-shaped opening 51 is matched with the outer surface of the connecting cylinder piece 6, so that the arc-shaped opening 51 on both sides can hold the connecting cylinder piece 6, further limiting and supporting the connecting cylinder piece 6, effectively preventing the rotation of the connecting cylinder piece 6, and improving the connection stability.

[0021] For example: in the assembly, only the center support spring 3 and the edge support spring 8 are arranged in the middle of the upper metal arm body 1 and the lower metal arm body 2 and the connecting plate 5 between the upper metal arm body 1 and the lower metal arm body 2, and then the bolt 4 is threaded from bottom to top through the lower metal arm body 2, the center support spring 3 and the upper metal arm body 1 and locked together by the first nut 41, and the two lugs 61 of each connecting cylinder 6 are clamped on the outer side of the connecting plate 5 corresponding to the upper metal arm body 1 and the lower metal arm body 2, then the limiting bolt 7 is threaded through the two lugs 61 and the two connecting plates 5 in turn, and the upper metal arm body 1 and the lower metal arm body 2 are locked and pressed tightly by the two second nuts 9 and the threaded rod 71, so that the elastic double-arm support metal arm support assembly is obtained, which greatly improves the support strength and the support buffering effect.

[0022] It should be noted that the stable and reliable metal control arm assembly of the utility model mainly improves the above structure, and the functions, components and structures not mentioned can be implemented by using components and structures capable of realizing corresponding functions in the prior art.

[0023] The above shows and describes the basic principles and main features of the utility model and the advantages of the utility model. For those skilled in the art, it is obvious that the utility model is not limited to the details of the above exemplary embodiments, and the utility model can be implemented in other specific forms without departing from the spirit or basic characteristics of the utility model. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting, and the scope of the utility model is defined by the appended claims rather than the above description, and therefore all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the utility model. Any reference signs in the claims should not be regarded as limiting the claims involved.

[0024] In addition, it should be understood that although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, and the description manner of the specification is only for the sake of clarity, and those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can be appropriately combined to form other embodiments that those skilled in the art can understand.

Claims

1. A stable and reliable metal control arm assembly, characterized in that: The device includes an upper metal arm body (1) and a lower metal arm body (2) arranged in parallel. A central support spring (3) is elastically arranged between the upper metal arm body (1) and the lower metal arm body (2) arranged in parallel. A bolt (4) is inserted through the middle of the upper metal arm body (1) and the lower metal arm body (2) arranged in parallel. The central support spring (3) is sleeved on the bolt (4). A first nut (41) is locked at the end of the bolt (4) to limit and lock the upper metal arm body (1) and the lower metal arm body (2) on the upper and lower sides of the central support spring (3). The outer edges of the upper metal arm body (1) and the lower metal arm body (2) are provided with multiple connecting plates (5), and connecting cylinders (6) are detachably installed between the corresponding connecting plates (5) of the upper metal arm body (1) and the lower metal arm body (2).

2. The stable and reliable metal control arm assembly according to claim 1, characterized in that: The connecting cylinder (6) has protrusions (61) integrally provided on both the upper and lower sides. The two protrusions (61) are staggered on the upper side of the connecting plate (5) of the upper metal arm body (1) and the lower side of the connecting plate (5) of the lower metal arm body (2), and a limiting pin (7) is inserted through the connecting plate (5) and the protrusions (61) to connect them to each other.

3. The stable and reliable metal control arm assembly according to claim 2, characterized in that: An edge support spring (8) is sleeved in the middle of the limiting pin (7), and the edge support spring (8) is elastically supported between the connecting plate (5) of the upper metal arm body (1) and the lower metal arm body (2).

4. The stable and reliable metal control arm assembly according to claim 3, characterized in that: The limiting pin (7) can be integrally provided with threaded rods (71) at both ends, and the outer ends of the two threaded rods (71) are threaded with second nuts (9).

5. The stable and reliable metal control arm assembly according to claim 1 or 2, characterized in that: The outer end of each connecting plate (5) is provided with an arc-shaped opening (51), which is adapted to and abuts against the outer surface of the connecting cylinder (6).

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