CN210132961U

CN210132961U - Suspension buffer structure

Info

Publication number: CN210132961U
Application number: CN201920924249.XU
Authority: CN
Inventors: 李英锋; 李英杰
Original assignee: FAW Jiefang Automotive Co Ltd
Current assignee: FAW Jiefang Automotive Co Ltd
Priority date: 2019-06-19
Filing date: 2019-06-19
Publication date: 2020-03-10
Anticipated expiration: 2029-06-19

Abstract

The utility model belongs to the technical field of vehicle suspension system, a suspension buffer structure is disclosed, including axle, bottom plate, roof and buffer. Wherein, be provided with the fixing base on the axle, the bottom plate is connected in the fixing base, and the roof can be connected in the frame, and buffer includes rubber body and sets up the skeleton on rubber body, and rubber body presss from both sides and locates between bottom plate and the roof. The utility model discloses in, in the buffer who establishes by bottom plate and roof clamp, rubber body can transmit power and moment between frame and the axle better, the setting of the skeleton in the rubber body, the load capacity and the shock resistance of structure have effectively been improved, there is good buffering effect to the impact load and the high frequency vibration of vehicle to the road surface of unevenness or heavy load loading and unloading, and, rubber body and the cooperation setting of skeleton, it is not fragile, can subtract the operation of exempting from lubrication and maintenance, the setting of fixing base on the axle, make buffer's dismouting more convenient.

Description

Suspension buffer structure

Technical Field

The utility model relates to a vehicle suspension system technical field especially relates to a suspension buffer structure.

Background

The existing rear suspension of the heavy transport truck mostly adopts a steel plate spring or an air spring for buffering, wherein the steel plate spring is simple and reliable in structure and can load a large load, but the steel plate spring is heavy in self weight and is easy to damage under the influence of loading and unloading impact force of a heavy load (such as a container), the air spring has excellent buffering effect on vibration and impact, but the bearable load is limited and is not suitable for heavy load loading and unloading, regular maintenance is needed, and the service life is greatly influenced by the environment (such as high saline-alkali soil of a port and the like).

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a suspension buffer structure can cushion frame and axle safe and reliable ground.

To achieve the purpose, the utility model adopts the following technical proposal:

a suspension cushioning structure comprising:

the vehicle bridge is provided with a fixed seat;

the bottom plate is connected with the fixed seat;

a top plate connectable to the frame;

the buffer device comprises a rubber body and a framework arranged on the rubber body, and the rubber body is clamped between the bottom plate and the top plate.

Preferably, the framework is of a sheet structure and is parallel to the bottom plate and the top plate respectively.

Preferably, the skeleton is provided with a plurality of, a plurality of skeleton parallel and interval setting.

Preferably, the frameworks are divided into a first framework and a second framework, the first framework and the second framework are both in annular structures, the outer diameters of the first framework and the second framework are equal, and the inner diameter of the first framework is smaller than that of the second framework;

the rubber body divide into the middle zone along thickness direction and is located the tip district of middle zone both sides is a plurality of first skeleton set up in the middle zone, it is a plurality of the second skeleton set up in the tip district.

Preferably, a first groove is formed in one side, away from the rubber body, of the bottom plate, a first via hole is formed in the groove bottom of the first groove, a second groove is formed in one side, away from the rubber body, of the top plate, and a second via hole is formed in the groove bottom of the second groove;

the suspension buffer structure further comprises a connecting rod, the connecting rod penetrates through the first via hole and the second via hole, two ends of the connecting rod are respectively connected with a first clamping block and a second clamping block, the first clamping block is located in the first groove, and the second clamping block is located in the second groove.

Preferably, the first groove is protruded towards one side of the rubber body to form a first bump, the second groove is protruded towards one side of the rubber body to form a second bump, and the first bump and the second bump are respectively clamped into the rubber body.

Preferably, the fixing seat is provided with a threaded hole, the bottom plate is provided with a first connecting hole, a fastener penetrates through the first connecting hole, and the fastener is in threaded connection with the threaded hole.

Preferably, the first connection hole has a larger hole diameter than the screw hole.

Preferably, a notch is formed in the top plate, and the notch is arranged opposite to the first connecting hole.

Preferably, the axle is provided with two fixed seats, and each fixed seat is provided with one bottom plate, one top plate and one buffer device in a matching manner;

the two fixing seats are symmetrically arranged relative to the symmetric plane of the two hubs on the axle, and each fixing seat corresponds to one hub.

The utility model has the advantages that:

in the buffer who establishes by bottom plate and roof clamp, rubber body can transmit power and moment between frame and the axle better, the setting of the skeleton in the rubber body, the load capacity and the shock resistance of structure have effectively been improved, there is good buffering effect to the impact load and the high frequency vibration of road surface or the heavy load loading and unloading of unevenness to the vehicle, and, the cooperation of rubber body and skeleton sets up, it is not fragile, can subtract the operation of exempting from lubrication and maintenance, the setting of fixing base on the axle, make buffer's dismouting more convenient.

Drawings

Fig. 1 is a schematic structural diagram of a suspension damping structure according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of an axle according to an embodiment of the present invention;

fig. 3 is a schematic structural diagram of a buffer device according to an embodiment of the present invention;

fig. 4 is a schematic structural diagram of another direction of the buffering device according to the embodiment of the present invention;

fig. 5 is a schematic cross-sectional view of a buffer device according to an embodiment of the present invention.

In the figure:

1. an axle; 11. a fixed seat; 111. a threaded hole;

2. a base plate; 21. a first via hole; 22. a first bump; 23. a first connection hole; 24. an arrow mark;

3. a top plate; 31. a second via hole; 32. a second bump; 33. a second connection hole; 34. a notch;

4. a buffer device; 41. a rubber body; 42. a framework; 421. a first skeleton; 422. a second skeleton;

5. a connecting rod;

6. a first clamping block;

7. a second fixture block;

8. a fastener.

Detailed Description

Reference will now be made in detail to the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, unless otherwise expressly specified or limited, the terms "connected," "connected," and "fixed" are to be construed broadly and can include, for example, fixed or removable connections, mechanical or electrical connections, direct connections, indirect connections through an intermediary, communication between two elements, or an interaction between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the description of the present invention, unless otherwise expressly specified or limited, the first feature "on" or "under" the second feature may include both the first and second features being in direct contact, and may also include the first and second features being in contact, not in direct contact, but with another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.

As shown in fig. 1-5, the present invention provides a suspension buffer structure, which comprises an axle 1, a bottom plate 2, a top plate 3 and a buffer device 4. Wherein, be provided with fixing base 11 on the axle 1, bottom plate 2 is connected in fixing base 11, and roof 3 can connect in the frame, and buffer 4 includes rubber body 41 and sets up skeleton 42 on rubber body 41, and rubber body 41 presss from both sides and locates between bottom plate 2 and roof 3.

The utility model discloses in, press from both sides the buffer 4 of establishing by bottom plate 2 and roof 3, rubber body 41 can transmit the power and moment between frame and the axle 1 better, the setting of skeleton 42 among the rubber body 41, the load capacity and the shock resistance of structure have effectively been improved, there is good buffering effect to the impact load and the high frequency vibration of vehicle to the road surface of unevenness or heavy load loading and unloading, and, rubber body 41 and skeleton 42's cooperation sets up, it is not fragile, can exempt from the operation lubricated with the maintenance, the setting of fixing base 11 on the axle 1, make buffer 4's dismouting more convenient.

In the present embodiment, the frame 42 is engaged with the rubber body 41 and bonded to the rubber body 41.

Alternatively, the frame 42 is a sheet structure, and is parallel to the bottom plate 2 and the top plate 3, so that the shearing resistance of the buffer device 4 is effectively improved.

Specifically, the number of the frameworks 42 is multiple, the plurality of frameworks 42 are arranged in parallel and at intervals, and different requirements on the buffering capacity can be met by changing parameters such as the number or the size specification of the frameworks 42.

In this embodiment, the frame 42 is divided into a first frame 421 and a second frame 422, the first frame 421 and the second frame 422 are both ring structures, the outer diameters of the first frame 421 and the second frame 422 are equal, and the inner diameter of the first frame 421 is smaller than the inner diameter of the second frame 422. Rubber body 41 is divided into the middle zone and the tip district that is located the middle zone both sides along thickness direction, and a plurality of first skeletons 421 set up in the middle zone, and a plurality of second skeletons 422 set up in the tip district.

Specifically, there are five first skeletons 421, and there are two second skeletons 422 on both sides of the five first skeletons 421.

Optionally, a first groove is formed in the side, away from the rubber body 41, of the bottom plate 2, a first via hole 21 is formed in the bottom of the first groove, a second groove is formed in the side, away from the rubber body 41, of the top plate 3, and a second via hole 31 is formed in the bottom of the second groove. The suspension buffer structure further comprises a connecting rod 5, the connecting rod 5 penetrates through the first via hole 21 and the second via hole 31, two ends of the connecting rod 5 are respectively connected with a first clamping block 6 and a second clamping block 7, the first clamping block 6 is located in the first groove, and the second clamping block 7 is located in the second groove. The arrangement of the connecting rod 5 improves the safety and reliability of the connection of the buffer device 4 with the bottom plate 2 and the top plate 3.

Specifically, the first groove is provided with a first protrusion 22 protruding from a side facing the rubber body 41, the second groove is provided with a second protrusion 32 protruding from a side facing the rubber body 41, and the first protrusion 22 and the second protrusion 32 are respectively clamped into the rubber body 41. The arrangement of the first projection 22 and the second projection 32 makes the connection of the bottom plate 2 and the top plate 3 with the cushioning device 4 more reliable.

More specifically, one second skeleton 422 is located at the position of the first protrusion 22, another second skeleton 422 is located at the position of the second protrusion 32, and five first skeletons 421 are located between the first protrusion 22 and the second protrusion 32, so as to avoid interference between the skeletons 42 and the first protrusion 22 and the second protrusion 32 when a tangential force is applied,

in this embodiment, the rubber body 41 is connected to the bottom plate 2 and the top plate 3, the connecting rod 5 and the second fixture block 7 are integrally formed screws, the first fixture block 6 is a nut capable of being screwed with the screws, the first via hole 21 is located at the center position of the bottom plate 2, the second via hole 31 is located at the center position of the top plate 3, the screws penetrate through the axis position of the rubber body 41, the heads of the screws are located in the second grooves, the upper ends of the screws do not exceed the upper surface of the top plate 3, the lower ends of the screws do not exceed the lower surface of the bottom plate 2, the nuts are located in the first grooves, the lower ends of the screws do not exceed the lower surface of the bottom plate 2, and the nuts are screwed with the screws to pre-tighten the buffer device 4 and then are fixedly connected together by.

Alternatively, a threaded hole 111 is formed in the fixing base 11, a first connecting hole 23 is formed in the bottom plate 2, a fastening member 8 is inserted into the first connecting hole 23, and the fastening member 8 is screwed in the threaded hole 111 to fix the bottom plate 2 to the fixing base 11.

In the present embodiment, the screw holes 111 are four in number, and are located at four corners of the fixing base 11, and the first connection holes 23 are four in number, and are located at four corners of the bottom plate 2.

Specifically, the first connection hole 23 has a larger diameter than the threaded hole 111, so as to facilitate the adjustable installation of the base plate 2 on the fixing seat 11.

Optionally, a notch 34 is provided in the top plate 3, and the notch 34 is disposed opposite to the first connection hole 23, thereby providing a space for the disassembly and assembly operation of the fastener 8.

In this embodiment, the four corners of the top plate 3 are provided with notches 34 respectively corresponding to the first connection holes 23 at the four corners of the bottom plate 2, the four notches 34 divide the edge of the top plate 3 into four strip areas, and the two opposite strip areas are respectively provided with second connection holes 33 for connecting the top plate 3 with the frame.

In the present embodiment, the second connection holes 33 are provided in four, two opposite strip regions, and two second connection holes 33 are provided in each strip region.

Optionally, the axle 1 is provided with two fixing seats 11, and each fixing seat 11 is cooperatively provided with a bottom plate 2, a top plate 3 and a buffer device 4. Two fixing bases 11 are arranged symmetrically relative to the symmetric plane of two hubs on the axle 1, and each fixing base 11 corresponds to one hub. By the arrangement, the connection and buffering between the vehicle frame and the vehicle axle 1 are more stable and reliable.

In particular, the bottom plate 2 and/or the top plate 3 and/or the damping device 4 are provided with arrow marks 24, and the arrow marks 24 point to the hub corresponding to the mounting position thereof when the connection is assembled. Because in actual working condition, the stress environment of the inner side and the outer side of the two buffer devices 4 is different, so that the two buffer devices are of asymmetric structures, and the arrow marks 24 are arranged, so that the installation of the bottom plate 2, the top plate 3 and the buffer devices 4 is simpler and more convenient.

Specifically, the bottom plate 2 is provided with arrow marks 24, when the bottom plate 2, the buffer device 4 and the top plate 3 are assembled, the arrow marks 24 on the two bottom plates 2 are respectively pointed to the hubs on the two sides when the bottom plate 2 and the axle 1 are connected.

In the embodiment, the rear part of the vehicle body is stressed more and more, and the vehicle axle 1 in the suspension buffer structure is a rear axle, so that the force and the moment between the load and the vehicle frame and between the vehicle frame and the rear axle can be better buffered.

It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. A suspension cushioning structure, comprising:

the vehicle axle (1), wherein a fixed seat (11) is arranged on the vehicle axle (1);

the bottom plate (2) is connected to the fixed seat (11);

a top plate (3) that can be connected to the vehicle frame;

the buffer device (4) comprises a rubber body (41) and a framework (42) arranged on the rubber body (41), and the rubber body (41) is clamped between the bottom plate (2) and the top plate (3).

2. Suspension buffer structure according to claim 1, characterized in that said skeleton (42) is of sheet-like configuration, parallel to said bottom plate (2) and said top plate (3), respectively.

3. The suspension buffer structure according to claim 2, wherein the skeleton (42) is provided in plurality, and the plurality of skeletons (42) are arranged in parallel and at intervals.

4. The suspension buffer structure according to claim 3, wherein the frame (42) is divided into a first frame (421) and a second frame (422), the first frame (421) and the second frame (422) are both in a ring structure, the outer diameters of the first frame (421) and the second frame (422) are equal, and the inner diameter of the first frame (421) is smaller than the inner diameter of the second frame (422);

rubber body (41) divide into the middle zone and are located along the thickness direction the tip district of middle zone both sides is a plurality of first skeleton (421) set up in the middle zone, it is a plurality of second skeleton (422) set up in the tip district.

5. The suspension buffer structure according to claim 1, characterized in that a side of the bottom plate (2) facing away from the rubber body (41) is provided with a first groove, a groove bottom of the first groove is provided with a first via hole (21), a side of the top plate (3) facing away from the rubber body (41) is provided with a second groove, and a groove bottom of the second groove is provided with a second via hole (31);

suspension buffer structure still includes connecting rod (5), and connecting rod (5) wear to locate first via hole (21) with in second via hole (31), the both ends of connecting rod (5) are connected with first fixture block (6) and second fixture block (7) respectively, first fixture block (6) are located in the first recess, second fixture block (7) are located in the second recess.

6. The suspension buffer structure according to claim 5, wherein the first groove is provided with a first protrusion (22) at a side facing the rubber body (41), the second groove is provided with a second protrusion (32) at a side facing the rubber body (41), and the first protrusion (22) and the second protrusion (32) are respectively clamped into the rubber body (41).

7. The suspension buffer structure according to claim 1, wherein a threaded hole (111) is formed in the fixing seat (11), a first connecting hole (23) is formed in the base plate (2), a fastening member (8) is inserted into the first connecting hole (23), and the fastening member (8) is screwed into the threaded hole (111).

8. The suspension buffer structure according to claim 7, wherein the first connection hole (23) has a larger aperture than the threaded hole (111).

9. Suspension damping arrangement according to claim 7, characterized in that a notch (34) is provided in the top plate (3), which notch (34) is arranged opposite the first connection hole (23).

10. The suspension damping structure according to any one of claims 1-9, characterized in that two of said fixing seats (11) are provided on said axle (1), each fixing seat (11) being cooperatively provided with one of said bottom plate (2), one of said top plate (3) and one of said damping device (4);

the two fixing seats (11) are symmetrically arranged relative to the symmetry plane of the two hubs on the axle (1), and each fixing seat (11) corresponds to one hub.