Guide arm support for commercial vehicle

Abstract

The guide arm support for the commercial vehicle comprises a connecting back plate and a clamping mechanism used for being connected with a guide arm assembly, the clamping mechanism is arranged on the lower portion of the connecting back plate, installation holes are formed in the positions, located on the two sides of the clamping mechanism, of the connecting back plate, the clamping mechanism comprises a front plate, a rear plate and a middle transverse plate, the rear plate is connected with the connecting back plate, and the middle transverse plate is connected with the front plate. The front plate is located on the front side of the rear plate and spaced from the rear plate, the top of the front plate and the top of the rear plate are connected through a middle transverse plate, the middle transverse plate is located between the front plate and the rear plate, mounting hole bosses protruding forwards are formed on the peripheral sides of the mounting holes, side rib plates are arranged on the two sides of the middle transverse plate, and the rear ends of the side rib plates are connected with the mounting hole bosses. The front ends of the side rib plates extend to the front side of the front plate and are connected with the front plate, a pin shaft hole is formed in the bottom end of the front plate, a screw hole is formed in the bottom end of the rear plate, and the pin shaft hole and the screw hole are coaxial. The utility model has a simple structure, is convenient to install, is provided with a plurality of lightening holes, is light in weight, reduces the production cost by adopting casting molding, and further reduces the weight.

Description

TECHNICAL FIELD

[0001] The utility model relates to guiding arm support technical field, concretely relates to a guiding arm support for commercial vehicle. BACKGROUND

[0002] With the development of logistics industry, the carrying capacity and stability of commercial vehicle are put forward to higher request, air suspension is more and more applied in heavy commercial vehicle field because of its good comfort, long service life, low maintenance cost and other advantages, and guiding arm support in the existing air suspension structure has the problems of complex structure, heavy weight, high cost etc. Therefore, it is necessary to propose a guiding arm support for commercial vehicle to solve the above problems. SUMMARY

[0003] In order to solve the problems in the background art, the utility model provides a guiding arm support for commercial vehicle, which comprises a connecting back plate and a clamping mechanism for connecting with a guiding arm assembly, the clamping mechanism is arranged at the lower part of the connecting back plate, the connecting back plate is provided with mounting holes on both sides of the clamping mechanism, the clamping mechanism comprises a front plate, a rear plate and an intermediate transverse plate, the rear plate is connected with the connecting back plate, the front plate is arranged at the front side of the rear plate and is spaced apart from the rear plate, the top of the front plate is connected with the top of the rear plate through the intermediate transverse plate, the intermediate transverse plate is located between the front plate and the rear plate, the mounting hole is formed with a mounting hole boss protruding forward on the side, the intermediate transverse plate is provided with a side rib plate on both sides, the rear end of the side rib plate is connected with the mounting hole boss, and the front end of the side rib plate extends to the front side of the front plate and is connected with the front plate, the bottom end of the front plate is provided with a pin hole, the bottom end of the rear plate is provided with a screw hole, and the pin hole is coaxial with the screw hole.

[0004] Preferably, the two side rib plates are connected through a horizontal rib plate.

[0005] Preferably, the thickness of the rear plate is greater than the thickness of the connecting back plate, the connecting back plate is located near the rear side of the rear plate, and a reinforcing plate is arranged at the joint of the connecting back plate and the left and right side surfaces of the rear plate.

[0006] Preferably, at least one first weight-reducing hole is arranged on the front side surface of the joint of the rear plate and the connecting back plate.

[0007] Preferably, a second weight-reducing hole is arranged on the front surface of the front plate, a pin shaft mounting boss is arranged in the second weight-reducing hole, and the pin hole is arranged on the pin shaft mounting boss.

[0008] Preferably, a third weight-reducing hole is arranged on the intermediate transverse plate.

[0009] Preferably, a fourth weight-reducing hole is arranged on the rear side surface of the rear plate, a nut mounting boss is arranged in the fourth weight-reducing hole, and the screw hole is arranged on the nut mounting boss.

[0010] Preferably, the rear plate rear side is provided with a groove recessed forwardly based on the rear plate rear side connecting the back plate, and the rear plate rear side connecting the back plate is provided with a transition step.

[0011] The utility model has the beneficial effect that:

[0012] The utility model uses, the guide arm assembly roll ear is placed between the front plate and the rear plate, the front plate, the rear plate are equipped with the clamping gasket between the guide arm assembly, when installing the guide arm assembly, make the pin shaft pass through the pin shaft hole from the front surface of the front plate, then pass through the connecting hole on the guide arm assembly and the screw hole on the rear plate in proper order, and lock the pin shaft with the nut on the rear plate rear side, namely, the installation of the guide arm assembly can be completed, the utility model has the advantages of simple structure and convenient use. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 The utility model is a whole structure schematic diagram Figure One ;

[0014] Figure 2 The utility model is a whole structure schematic diagram Figure Two ;

[0015] Figure 3 The utility model is a side view;

[0016] Figure 4 The utility model is a structure schematic diagram when connecting with the guide arm.

[0017] Marked number in the drawing: 1, connecting back plate;2, clamping mechanism;3, reinforcing plate;4, mounting hole boss;5, front plate;6, rear plate;7, transverse plate;8, side beam;9, transverse beam;10, first weight reducing hole;11, second weight reducing hole;12, pin shaft mounting boss;13, third weight reducing hole;14, fourth weight reducing hole;15, nut mounting boss;16, transition step;17, bolt;18, vehicle frame;19, guide arm assembly roll ear;20, guide arm gasket;21, guide arm pin shaft;22, guide arm support;23, guide arm assembly;24, axle;25, air spring;26, shock absorber;27, mounting hole;28, screw hole;29, pin shaft hole. DETAILED DESCRIPTION

[0018] In order to make the utility model more clearly, the following combining with the drawing explanation and example, the technical scheme of the utility model is further explained in detail, should understand, the given example is only one of implementation manners, and does not represent all examples.

[0019] In this article, the terms "inner, outer, front, rear" are established based on the positional relationship shown in the drawings, and according to different drawings, the corresponding positional relationship may also change accordingly, therefore, it cannot be understood as an absolute limitation on the scope of protection.

[0020] In combination with the drawings Figure 1 - the drawings Figure 4 A guide arm support for commercial vehicles, comprising a connecting back plate 1 and a clamping mechanism 2 for connecting with a guide arm assembly 23, the clamping mechanism 2 is arranged at the lower part of the connecting back plate 1, the connecting back plate 1 is provided with mounting holes 27 for connecting with the vehicle frame 18 on both sides of the clamping mechanism 2, the clamping mechanism 2 comprises a front plate 5, a rear plate 6 and an intermediate cross plate 7, the rear plate 6 is connected with the connecting back plate 1, the front plate 5 is arranged in front of the rear plate 6 and is spaced apart from the rear plate 6, the top of the front plate 5 and the top of the rear plate 6 are connected by the intermediate cross plate 7, the intermediate cross plate 7 is located between the front plate 5 and the rear plate 6, the mounting hole 27 is formed with a mounting hole boss 4 protruding forward on the side, the mounting hole boss 4 is arranged to facilitate the fastening of the bolt 17 nut when connecting with the vehicle frame 18, the intermediate cross plate 7 is provided with a side rib plate 8 on both sides, the rear end of the side rib plate 8 is connected with the mounting hole boss 4, and the front end of the side rib plate 8 extends to the front side of the front plate 5 and is connected with the front plate 5, the bottom end of the front plate 5 is provided with a pin hole 27 for connecting with the guide arm assembly 23, the bottom end of the rear plate 6 is provided with a screw hole 28 for connecting with the guide arm assembly 23, and the pin hole 27 is coaxial with the screw hole 28.

[0021] Specifically, four mounting holes 27 are arranged on the connecting back plate 1 on both sides of the clamping mechanism 2 respectively, the four mounting holes 27 on the same side are distributed in a rectangular shape, and the rear end of the side rib plate 8 is connected with the mounting hole boss 4 close to the clamping mechanism 2. More specifically, the side rib plate 8 is formed by extending from the mounting hole boss 4, that is, the side rib plate 8 and the mounting hole boss 4 are an integral structure.

[0022] Specifically, the two side rib plates 8 are connected by a cross rib plate 9, further improving the structural strength of the guide arm support 22.

[0023] Specifically, the thickness of the rear plate 6 is greater than the thickness of the connecting back plate 1, the connecting back plate 1 is located close to the rear side of the rear plate 6, and the connecting back plate 1 is provided with a reinforcing plate 3 at the junction of the left and right sides of the connecting back plate 1 and the rear plate 6, which improves the structural strength between the connecting back plate 1 and the rear plate 6.

[0024] Specifically, the rear side of the rear plate 6 is provided with a groove recessed forward based on the rear side of the connecting back plate 1, that is, part of the material of the rear side of the rear plate 6 is removed to reduce the weight, and a transition step 16 is arranged at the connection between the rear side of the rear plate 6 and the connecting back plate 1.

[0025] Specifically, the rear plate 6 is provided with at least one first lightening hole 10 on the front side of the joint with the connecting back plate 1. The front plate 5 is provided with a second lightening hole 11 on the front side, and the second lightening hole 11 is provided with a pin shaft mounting boss 12, and the pin shaft mounting boss 12 is provided with the pin shaft hole 27. The middle horizontal plate 7 is provided with a third lightening hole 13. The rear plate 6 is provided with a fourth lightening hole 14 on the rear side, and the fourth lightening hole 14 is provided with a nut mounting boss 15, and the nut mounting boss 15 is provided with the screw hole 28. The lightening holes are used to reduce the weight of the guide arm support 22.

[0026] The manufacturing process of the guide arm support 22 adopts one-piece casting forming, has low production cost, and can reduce the weight of the guide arm support 22. The rear plate 6 is formed by extending downward from the connecting back plate 1, and the bottom end of the rear plate 6 and the bottom end of the front plate 5 are both semicircular.

[0027] In use, the connecting back plate 1 is fixed on the vehicle frame 18 through the cooperation of the bolt 17 and the mounting hole 27, the guide arm assembly eye 19 is arranged between the front plate 5 and the rear plate 6, the eye hole on the guide arm assembly 23 is concentric with the pin shaft hole 27 and the screw hole 28 of the guide arm support 22, the gap between the two sides of the guide arm assembly 23 and the front plate 5 and the rear plate 6 is filled with the guide arm gasket 20, the guide arm pin shaft 21 is sequentially threaded through the front plate 5, the guide arm gasket 20, the guide arm assembly eye 19, the other guide arm gasket 20, and the rear plate 6 of the guide arm support 22, and then the nut is locked to fix the guide arm support 22 and the guide arm assembly 23 together. The guide arm assembly 23 is fixed on the axle 24 through the U-shaped bolt 17, and the end of the guide arm assembly 23 away from the guide arm support 22 is used for mounting the air spring 25 and the shock absorber 26.

[0028] Although the embodiments of the utility model have been shown and described, for those skilled in the art, various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A guide arm bracket for a commercial vehicle, characterized by: The utility model relates to a connecting backplate (1) and a clamping mechanism (2) for connecting with a guide arm assembly (23), the clamping mechanism (2) is arranged in the lower part of the connecting backplate (1), the connecting backplate (1) is equipped with the mounting hole (27) on both sides of the clamping mechanism (2), the clamping mechanism (2) includes front plate (5), rear plate (6) and intermediate cross plate (7), the rear plate (6) is connected with the connecting backplate (1), the front plate (5) is located in the front side of rear plate (6) and is spaced apart from rear plate (6), the top of front plate (5) is connected with the top of rear plate (6) through intermediate cross plate (7), the intermediate cross plate (7) is located between front plate (5) and rear plate (6), the mounting hole (27) is formed with the mounting hole boss (4) that protrudes forward on the circumference, the both sides of intermediate cross plate (7) are equipped with side rib plate (8), the rear end of side rib plate (8) is connected with mounting hole boss (4), and the front end of side rib plate (8) extends to the front side of front plate (5) and is connected with front plate (5), the bottom end of front plate (5) is equipped with pin hole (29), and the bottom end of rear plate (6) is equipped with screw hole (28), and pin hole (29) is coaxial with screw hole (28).

2. A guide arm support for a commercial vehicle as claimed in claim 1, characterised in that: Two the side rib plate (8) are connected through the cross rib plate (9) between.

3. The guide arm bracket for a commercial vehicle of claim 1, wherein: The thickness of rear plate (6) is greater than the thickness of connecting backplate (1), the connecting backplate (1) is located close to the rear side of rear plate (6), and the connecting backplate (1) is provided with a reinforcing plate (3) at the junction of the left and right sides of the connecting backplate (1) and rear plate (6).

4. The guide arm bracket for a commercial vehicle of claim 1, wherein: At least one first weight-reducing hole (10) is arranged on the front side of the junction of the rear plate (6) and the connecting backplate (1).

5. The guide arm bracket for a commercial vehicle of claim 1, wherein: A second weight-reducing hole (11) is arranged on the front side of the front plate (5), a pin shaft mounting boss (12) is arranged in the second weight-reducing hole (11), and the pin hole (29) is arranged on the pin shaft mounting boss (12).

6. A guide arm support for a commercial vehicle as defined in claim 1, characterized in that: A third weight-reducing hole (13) is arranged on the intermediate cross plate (7).

7. The guide arm bracket for a commercial vehicle of claim 1, wherein: A fourth weight-reducing hole (14) is arranged on the rear side of the rear plate (6), a nut mounting boss (15) is arranged in the fourth weight-reducing hole (14), and the screw hole (28) is arranged on the nut mounting boss (15).

8. A guide arm support for a commercial vehicle as claimed in claim 3, characterised in that: The rear side of the rear plate (6) is provided with a groove recessed forward based on the rear side of the connecting backplate (1), and a transition step (16) is arranged at the junction of the rear side of the rear plate (6) and the connecting backplate (1).

Images