Cab rear suspension assembly and automobile thereof

Abstract

The utility model relates to a cab rear suspension assembly and an automobile with the cab rear suspension assembly, the cab rear suspension assembly comprises two upper supports arranged oppositely, a cross beam, a shock absorber assembly, a hydraulic lock and a lower support, and the cross beam is arranged between the two upper supports; the shock absorber assembly is connected with the upper bracket through a connecting frame; the hydraulic lock is connected with the upper support through a connecting frame, a liquid inlet of the hydraulic lock is communicated with an oil pipe, and the oil pipe is connected with the beam and the upper support through a clamping mechanism. The lower support is arranged at the bottom end of the upper support, and a fixing hole used for installing the fender support is formed in the lower support. According to the utility model, the fixing holes are formed in the lower bracket, the mudguard bracket mounting position is integrated, and different engine suspension fixing positions are reserved; by means of the newly-designed upper support, the lower support moves forwards relative to the vehicle frame, and the loading space is increased; in addition, the oil pipe is limited and fixed through the clamping mechanism, so that the oil pipe is convenient to mount / dismount.

Description

Technical Field

[0001] This application relates to the field of automotive parts, and particularly to a cab rear mount assembly and an automobile thereof. Background Art

[0002] The cab rear mount is an important part of the cab mount system, which is arranged between the rear of the cab and the frame. It mainly plays the role of supporting the cab and damping the cab during vehicle driving. For a flat-top reversible medium-duty truck cab, the cab rear mount also plays the role of locking the cab.

[0003] For the existing cab rear mount structure, however, the following defects exist: after the cab rear mount structure is installed, it will interfere with the mudguard bracket; the oil pipes on the cab rear mount structure are all fixed by cable ties, resulting in inconvenient installation / dismantling. Summary of the Utility Model

[0004] This application provides a cab rear mount assembly and an automobile thereof, which can solve the problem that the oil pipes on the cab rear mount structure in the related art are all fixed by cable ties, resulting in inconvenient installation / dismantling.

[0005] In a first aspect, an embodiment of this application provides a cab rear mount assembly, which includes: two upper brackets arranged oppositely, a cross beam, a shock absorber assembly, a hydraulic lock and a lower bracket. The cross beam is arranged between the two upper brackets. The shock absorber assembly is connected to the upper bracket through a connecting frame. The hydraulic lock is connected to the upper bracket through a connecting frame. A liquid inlet of the hydraulic lock is communicated with an oil pipe, and the oil pipe is connected to the cross beam and the upper bracket through a clamp mechanism. The lower bracket is arranged at the bottom end of the upper bracket, and fixing holes for installing a mudguard bracket are arranged on the lower bracket. In this application, fixing holes are arranged on the lower bracket, integrating the installation position of the mudguard bracket and reserving the fixing positions of different engine mounts. Through the newly designed upper bracket, the relative position of the lower bracket on the frame is moved forward, increasing the upper installation space. In addition, the oil pipe is limited and fixed through the clamp mechanism, facilitating the installation / dismantling of the oil pipe.

[0006] In combination with the first aspect, in an embodiment, the clamp mechanism includes: a limit seat and a limit ring. The limit seat is connected to the cross beam or the upper bracket through a limit screw. The limit ring is arranged at one end of the limit seat and is used for the oil pipe to pass through.

[0007] In combination with the first aspect, in an embodiment, a bayonet is arranged on the limit seat, and a block adapted to the bayonet is arranged on the limit ring.

[0008] In combination with the first aspect, in one embodiment, the cross beam includes a horizontal section, and both ends of the horizontal section are inclined downward to form inclined sections, and the ends of the inclined sections are bent away from the horizontal section to form connecting sections for connecting the upper brackets.

[0009] In combination with the first aspect, in one embodiment, the cross beam is in a flat strip shape, and both sides of the cross beam are bent upward to form flanging parts, and the middle part of the cross beam is recessed to form a recessed part.

[0010] In combination with the first aspect, in one embodiment, the clamp mechanism located on the cross beam is arranged at the recessed part, and the top end extends out of the flanging part.

[0011] In combination with the first aspect, in one embodiment, a notch part is arranged inside the bottom end of the upper bracket, a connecting plate is arranged in the notch part, the width of the connecting plate is greater than the width of the upper bracket, one side of the connecting plate is connected to the lower bracket, and a reinforcing rib is arranged on the outer side of the connecting plate.

[0012] In combination with the first aspect, in one embodiment, the upper bracket is connected to the connecting frame through a first rotating shaft.

[0013] In combination with the first aspect, in one embodiment, one end of the shock absorber assembly is connected to the connecting frame through a second rotating shaft, and the other end is connected to the upper bracket through a third rotating shaft.

[0014] In the second aspect, an embodiment of the present application provides an automobile, which includes: the cab rear suspension assembly as described above.

[0015] The beneficial effects brought by the technical solutions provided by the embodiments of the present application include:

[0016] The embodiments of the present application provide a cab rear suspension assembly and an automobile thereof. Fixing holes are arranged on the lower bracket, the mounting position of the fender bracket is integrated, and the fixing positions of different engine mounts are reserved; through the newly designed upper bracket, the relative position of the lower bracket on the vehicle frame is moved forward, increasing the upper loading space; in addition, the clamp mechanism is used to limit and fix the oil pipe, facilitating the installation / removal of the oil pipe. Description of the Drawings

[0017] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the following will briefly introduce the drawings required for the description of the embodiments. Obviously, the following drawings are only some embodiments of the present application. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained according to these drawings.

[0018] Figure 1 It is the front view of the cab rear suspension assembly provided by the embodiment of the present application;

[0019] Figure 2 Side view of the cab rear mount assembly provided by the embodiment of the present application;

[0020] Figure 3 Schematic diagram of the clamp mechanism provided by the embodiment of the present application.

[0021] In the figure: 1, cross beam; 11, horizontal section; 12, inclined section; 13, connecting section; 14, flanging part; 2, upper bracket; 21, notch part; 22, connecting plate; 23, reinforcing rib; 3, connecting frame; 31, first rotating shaft; 4, hydraulic lock; 5, oil pipe; 6, clamp mechanism; 61, limit screw; 62, limit seat; 63, limit ring; 7, shock absorber assembly; 71, second rotating shaft; 72, third rotating shaft; 8, lower bracket; 81, fixing hole. Specific embodiments

[0022] In order to enable those skilled in the art to better understand the solution of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present application.

[0023] The embodiment of the present application provides a cab rear mount assembly and its vehicle, which can solve the problem that the oil pipes in the cab rear mount structure in the related art are all fixed by cable ties, resulting in inconvenient installation / disassembly.

[0024] The cab rear mount is an important part of the cab mount system, which is arranged between the rear of the cab and the frame, mainly playing the role of supporting the cab and damping the cab during vehicle driving. For a flat-top reversible medium truck cab, the cab rear mount also plays the role of locking the cab.

[0025] The existing cab rear mount structure, however, has the following defects: after the cab rear mount structure is installed, it will interfere with the fender bracket; the oil pipes on the cab rear mount structure are all fixed by cable ties, resulting in inconvenient installation / disassembly.

[0026] For the problem that the oil pipes on the cab rear suspension structure are fixed by cable ties, resulting in inconvenient installation / disassembly. In a first aspect, an embodiment of the present application provides a cab rear suspension assembly, which includes: two upper brackets 2 arranged oppositely, a cross beam 1, a shock absorber assembly 7, a hydraulic lock 4, and a lower bracket 8. The cross beam 1 is arranged between the two upper brackets 2; the shock absorber assembly 7 is connected to the upper bracket 2 through a connecting frame 3; the hydraulic lock 4 is connected to the upper bracket 2 through a connecting frame 3. An oil pipe 5 is communicated at the liquid inlet of the hydraulic lock 4, and the oil pipe 5 is connected to the cross beam 1 and the upper bracket 2 through a clamp mechanism 6; the lower bracket 8 is arranged at the bottom end of the upper bracket 2, and a fixing hole 81 for installing a mudguard bracket is arranged on the lower bracket 8.

[0027] In the present application, a fixing hole 81 is arranged on the lower bracket 8, integrating the installation position of the mudguard bracket and reserving the fixing positions of different engine mounts; through the newly designed upper bracket 2, the relative position of the lower bracket 8 on the vehicle frame is moved forward, increasing the upper loading space; in addition, the oil pipe 5 is limited and fixed by the clamp mechanism 6, facilitating the installation / disassembly of the oil pipe 5.

[0028] See Figure 1 As shown, the two upper brackets 2 are arranged oppositely on both sides of the cross beam 1, and the upper bracket 2 is fixed to the cross beam 1. Among them, the cross beam 1 includes a horizontal section 11, that is, Figure 1 the middle part of the cross beam 1 shown. Both ends of the horizontal section 11 are inclined downward to form inclined sections 12, and the ends of the inclined sections 12 are bent away from the horizontal section 11 to form connecting sections 13 for connecting the upper brackets 2, and are fixed to the upper brackets 2 through the connecting sections 13.

[0029] Further, see Figure 2 and Figure 3 As shown, the cross beam 1 is in a flat strip shape: specifically, the two sides of the cross beam 1 are bent upward to form flanging parts 14, and the middle part of the cross beam 1 is recessed to form a recessed part, so that the cross beam 1 is in a flat strip shape, that is, the horizontal section 11, the inclined section 12, and the connecting section 13 are all arranged in a flat strip shape. Among them, in this embodiment, the ends of the flanging parts 14 are bent away from the headquarter side of the cross beam 1.

[0030] On the basis of the above embodiment, in this embodiment, a connecting frame 3 is connected to one end of the upper bracket 2. Specifically, the upper bracket 2 is connected to the connecting frame 3 through a first rotating shaft 31, and a hydraulic lock 4 is arranged on the connecting frame 3. In this embodiment, since the two upper brackets 2 are arranged oppositely, the connecting frames 3 respectively arranged on the two upper brackets 2 are also arranged oppositely. A hydraulic lock 4 is arranged on the connecting frame 3, and the two hydraulic locks 4 are connected through an oil pipe 5.

[0031] Among them, the oil pipe 5 is connected and fixed to the cross beam 1 and the upper support 2 through the clamp mechanism 6, which facilitates the installation and disassembly of the oil pipe 5. The oil pipe 5 arranged on the cross beam 1 is placed at the recessed part of the cross beam 1. Therefore, the clamp mechanism 6 located on the cross beam 1 is also arranged at the recessed part, and the top end extends out of the flanging part 14.

[0032] On the basis of the above embodiment, in this embodiment, the clamp mechanism 6 includes: a limit seat 62 and a limit ring 63. Specifically, the limit seat 62 is connected to the cross beam 1 or the upper support 2 through a limit screw 61; the limit ring 63 is arranged at one end of the limit seat 62 and is used for the oil pipe 5 to pass through.

[0033] That is to say, the limit seat 62 located on the cross beam 1 is connected to the recessed part of the cross beam 1 through the limit screw 61, and the top end of the limit seat 62 extends out of the flanging part 14; the limit seat 62 located on the upper support 2 is connected to the surface of the upper support 2 through the limit screw 61.

[0034] In order to facilitate the fixing of the oil pipe 5, a limit ring 63 is arranged at the top end of the limit seat 62. In some possible embodiments, a bayonet is arranged on the limit seat 62, and a clamping block adapted to the bayonet is arranged on the limit ring 63. Therefore, the limit ring 63 and the limit seat 62 can be clamped and fixed. The setting of this structure can facilitate the replacement of limit rings 63 with different diameters to adapt to oil pipes 5 with different diameters; in other possible embodiments, the limit ring 63 is fixed to the top end of the limit seat 62. The setting of this structure can make the connection between the limit ring 63 and the limit seat 62 more firm. The above embodiments are only various possible implementation manners of the embodiments of the present application, and the embodiments of the present application are not limited thereto.

[0035] Further, a through hole is formed in the middle of the limit ring 63 for the oil pipe 5 to pass through. Further, a rubber pad is arranged on the inner wall of the through hole to avoid friction between the limit ring 63 and the oil pipe 5 and damage the oil pipe 5, and at the same time, the oil pipe 5 can be further limited.

[0036] One end of the oil pipe 5 is communicated with the hydraulic lock 4 to supply oil to the hydraulic lock 4.

[0037] On the basis of the above embodiment, in this embodiment, the shock absorber assembly 7 is connected to the upper support 2 through the connecting frame 3. Specifically, one end of the shock absorber assembly 7 is connected to the connecting frame 3 through the second rotating shaft 71, and the other end is connected to the upper support 2 through the third rotating shaft 72. In this embodiment, the shock absorber assembly 7 is a spring shock absorber. During the driving of the vehicle, the shock absorber plays a role in damping the cab.

[0038] Based on the above embodiments, in this embodiment, a notch portion 21 is provided inside the bottom end of the upper bracket 2, and a connecting plate 22 is arranged in the notch portion 21. The width of the connecting plate 22 is greater than that of the upper bracket 2, and one side of the connecting plate 22 is connected to the lower bracket 8. Further, in order to improve the structural strength of the upper bracket 2, a reinforcing rib 23 is arranged on the outer side of the connecting plate 22. Among them, the lower bracket 8 is located on one side of the notch portion 21, and fixing holes 81 for installing the mudguard bracket are integrated on the lower bracket 8, and fixing positions for different engine mounts are reserved.

[0039] In a second aspect, an embodiment of the present application provides an automobile, which includes the cab rear mount assembly provided in any of the above embodiments.

[0040] In the present application, fixing holes 81 are provided on the lower bracket 8, the installation position of the mudguard bracket is integrated, and fixing positions for different engine mounts are reserved; through the newly designed upper bracket 2, the relative position of the lower bracket 8 on the vehicle frame is moved forward, increasing the upper loading space; in addition, the oil pipe 5 is limited and fixed by the clamp mechanism 6, facilitating the installation / removal of the oil pipe 5.

[0041] See Figure 1 As shown, two upper brackets 2 are oppositely arranged on both sides of the cross beam 1, and the upper brackets 2 are fixed to the cross beam 1. Among them, the cross beam 1 includes a horizontal section 11, that is, Figure 1 the middle part of the cross beam 1 shown. Both ends of the horizontal section 11 are inclined downward to form inclined sections 12, and the ends of the inclined sections 12 are bent away from the horizontal section 11 to form connecting sections 13 for connecting the upper brackets 2, and are fixed to the upper brackets 2 through the connecting sections 13.

[0042] Further, see Figure 2 and Figure 3 As shown, the cross beam 1 is in a flat strip shape. Specifically, the two sides of the cross beam 1 are bent upward to form flanging parts 14, and the middle part of the cross beam 1 is recessed to form a recessed part, so that the cross beam 1 is in a flat strip shape, that is, the horizontal section 11, the inclined section 12, and the connecting section 13 are all arranged in a flat strip shape. Among them, in this embodiment, the end of the flanging part 14 is bent away from the headquarters of the cross beam 1.

[0043] Based on the above embodiments, in this embodiment, a connecting frame 3 is connected to one end of the upper bracket 2. Specifically, the upper bracket 2 is connected to the connecting frame 3 through a first rotating shaft 31, and a hydraulic lock 4 is arranged on the connecting frame 3. In this embodiment, since the two upper brackets 2 are oppositely arranged, the connecting frames 3 respectively arranged on the two upper brackets 2 are also oppositely arranged. A hydraulic lock 4 is arranged on the connecting frame 3, and the two hydraulic locks 4 are connected through an oil pipe 5.

[0044] Among them, the oil pipe 5 is fixedly connected to the cross beam 1 and the upper support 2 through the clamp mechanism 6, which facilitates the installation and disassembly of the oil pipe 5. The oil pipe 5 disposed on the cross beam 1 is placed at the recessed portion of the cross beam 1. Therefore, the clamp mechanism 6 located on the cross beam 1 is also disposed at the recessed portion, and the top end extends out of the flanging portion 14.

[0045] Based on the above embodiments, in this embodiment, the clamp mechanism 6 includes: a limit seat 62 and a limit ring 63. Specifically, the limit seat 62 is connected to the cross beam 1 or the upper support 2 through a limit screw 61; the limit ring 63 is disposed at one end of the limit seat 62 and is used for the oil pipe 5 to pass through.

[0046] That is to say, the limit seat 62 located on the cross beam 1 is connected to the recessed portion of the cross beam 1 through the limit screw 61, and the top end of the limit seat 62 extends out of the flanging portion 14; the limit seat 62 located on the upper support 2 is connected to the surface of the upper support 2 through the limit screw 61.

[0047] In order to facilitate the fixation of the oil pipe 5, a limit ring 63 is provided at the top end of the limit seat 62. In some possible embodiments, a bayonet is provided on the limit seat 62, and a block adapted to the bayonet is provided on the limit ring 63. Therefore, the limit ring 63 and the limit seat 62 can be snap-fitted and fixed. The setting of this structure can facilitate the replacement of the limit rings 63 with different diameters to adapt to oil pipes 5 with different diameters; in some other possible embodiments, the limit ring 63 is fixed to the top end of the limit seat 62, and the setting of this structure can make the connection between the limit ring 63 and the limit seat 62 more firm. The above embodiments are only various possible implementation manners of the embodiments of the present application, and the embodiments of the present application are not limited thereto.

[0048] Further, a through hole is provided in the middle of the limit ring 63 for the oil pipe 5 to pass through. Further, a rubber pad is provided on the inner wall of the through hole to prevent friction between the limit ring 63 and the oil pipe 5 from damaging the oil pipe 5, and at the same time, the oil pipe 5 can be further limited.

[0049] One end of the oil pipe 5 is communicated with the hydraulic lock 4 to supply oil to the hydraulic lock 4.

[0050] Based on the above embodiments, in this embodiment, the shock absorber assembly 7 is connected to the upper support 2 through the connecting frame 3. Specifically, one end of the shock absorber assembly 7 is connected to the connecting frame 3 through the second rotating shaft 71, and the other end is connected to the upper support 2 through the third rotating shaft 72. In this embodiment, the shock absorber assembly 7 is a spring shock absorber. During the driving of the vehicle, the shock absorber plays a role in damping the cab.

[0051] Based on the above embodiments, in this embodiment, a notch portion 21 is provided inside the bottom end of the upper bracket 2, and a connecting plate 22 is arranged inside the notch portion 21. The width of the connecting plate 22 is greater than the width of the upper bracket 2, and one side of the connecting plate 22 is connected to the lower bracket 8. Further, in order to improve the structural strength of the upper bracket 2, a reinforcing rib 23 is arranged outside the connecting plate 22. Among them, the lower bracket 8 is located on one side of the notch portion 21, and fixing holes 81 for installing a fender bracket are integrated on the lower bracket 8, and fixing positions for different engine mounts are reserved.

[0052] In the description of the present application, it should be noted that the orientation or positional relationship indicated by terms such as "upper" and "lower" is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present application and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the present application. Unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present application can be understood according to specific circumstances.

[0053] It should be noted that in the present application, relational terms such as "first" and "second" are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the term "comprising", "including" or any other variation thereof is intended to cover a non-exclusive inclusion, so that a process, method, article or device including a series of elements not only includes those elements, but also includes other elements not expressly listed, or also includes elements inherent to such process, method, article or device. Without further limitation, an element defined by the statement "including a..." does not exclude the existence of additional identical elements in the process, method, article or device including the element.

[0054] The above are only specific embodiments of the present application, enabling those skilled in the art to understand or implement the present application. Various modifications to these embodiments will be obvious to those skilled in the art, and the general principles defined herein can be implemented in other embodiments without departing from the spirit or scope of the present application. Therefore, the present application will not be limited to the embodiments shown herein, but will be accorded the widest scope consistent with the principles and novel features claimed herein.

Claims

1. A cab rear suspension assembly, characterized in that: It includes: Two upper brackets (2) arranged opposite to each other; A crossbeam (1), wherein the crossbeam (1) is arranged between two upper brackets (2); A shock absorber assembly (7), wherein the shock absorber assembly (7) is connected to the upper bracket (2) via a connecting frame (3); A hydraulic lock (4), the hydraulic lock (4) being connected to the upper bracket (2) via a connecting frame (3), the liquid inlet of the hydraulic lock (4) being connected to an oil pipe (5), and the oil pipe (5) being connected to the crossbeam (1) and the upper bracket (2) via a clamp mechanism (6); A lower bracket (8), wherein the lower bracket (8) is arranged at the bottom end of the upper bracket (2), and a fixing hole (81) for mounting a fender bracket is arranged on the lower bracket (8).

2. The cab rear suspension assembly according to claim 1, characterized in that: The clamp mechanism (6) comprises: A limiting seat (62), wherein the limiting seat (62) is connected to the crossbeam (1) or the upper bracket (2) via a limiting screw (61); A limiting ring (63) is arranged at one end of the limiting seat (62) and is used for the oil supply pipe (5) to pass through.

3. The cab rear suspension assembly according to claim 2, characterized in that: The limiting seat (62) is provided with a bayonet, and the limiting ring (63) is provided with a clamping block adapted to the bayonet.

4. The cab rear suspension assembly according to claim 1, characterized in that: The crossbeam (1) comprises a horizontal section (11), both ends of the horizontal section (11) are respectively inclined downward to form an inclined section (12), and the end of the inclined section (12) is bent toward a side away from the horizontal section (11) to form a connecting section (13) for connecting to an upper bracket (2).

5. The cab rear suspension assembly according to claim 4, characterized in that: The cross beam (1) is in the shape of a flat strip, and both sides of the cross beam (1) are bent upward to form flanged portions (14), and the middle portion of the cross beam (1) is recessed to form a recessed portion.

6. The cab rear suspension assembly according to claim 5, characterized in that: The clamp mechanism (6) located on the crossbeam (1) is arranged at the recessed portion, and the top end thereof extends out of the flange portion (14).

7. The cab rear suspension assembly according to claim 1, characterized in that: A notch (21) is provided on the inner side of the bottom end of the upper bracket (2), a connecting plate (22) is provided in the notch (21), the width of the connecting plate (22) is greater than the width of the upper bracket (2), one side of the connecting plate (22) is connected to the lower bracket (8), and a reinforcing rib (23) is provided on the outer side of the connecting plate (22).

8. The cab rear suspension assembly according to claim 1, characterized in that: The upper bracket (2) is connected to the connecting frame (3) via a first rotating shaft (31).

9. The cab rear suspension assembly according to claim 1, characterized in that: One end of the shock absorber assembly (7) is connected to the connecting frame (3) via a second rotating shaft (71), and the other end is connected to the upper bracket (2) via a third rotating shaft (72).

10. An automobile, characterized in that: It includes: A cab rear suspension assembly as described in any one of claims 1 to 9.

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