CN220947520U - Engine suspension structure - Google Patents

Abstract

The utility model provides an engine suspension structure which comprises a fixed support and a buffer support, wherein the buffer support is connected with the fixed support, the buffer support comprises a support outer plate, a buffer cushion and a support inner plate, the support outer plate and the support inner plate are of U-shaped structures, openings of the support outer plate and the support inner plate are arranged oppositely, and the buffer cushion is fixedly connected between the support outer plate and the support inner plate. The utility model is used for controlling the longitudinal displacement of the large-displacement horizontal engine and ensuring the driving comfort of the whole vehicle.

Description

Engine suspension structure

Technical Field

The utility model relates to the technical field of automobile manufacturing, in particular to an engine suspension structure.

Background

The automobile engine suspension system has the functions of isolating vibration generated by shaking of tires and automobile bodies, transmitting the vibration to the power assembly through suspension, isolating vibration and reducing noise, and improving driving comfort; the suspension system has supporting and limiting functions on the power assembly, and avoids damage to the engine assembly or parts caused by dynamic interference with peripheral parts; under the action of emergency braking, acceleration or external load of the automobile, the engine can be ensured not to generate excessive displacement.

When the automobile runs under poor road conditions, the automobile jolts up and down, and for a horizontal engine with large displacement, as the dead weight of the engine is large and the inertia force is large, the longitudinal displacement of the engine is increased, the lower part of the engine is easy to drag and wear, and the upper part of the engine is dynamically interfered with peripheral parts. At present, in order to control the longitudinal displacement of a large displacement engine, a mode of improving the rigidity of a suspension cushion is generally adopted, but the mode can cause the driving comfort of the whole vehicle to be greatly reduced. Therefore, a new engine mount structure needs to be invented.

Disclosure of utility model

The utility model aims to provide an engine suspension structure which controls the longitudinal displacement of a large-displacement horizontal engine and ensures the driving comfort of the whole vehicle.

The technical scheme adopted for solving the technical problems is as follows:

The utility model provides an engine suspension structure, includes fixed bolster, buffering support and fixed bolster be connected, buffering support include support planking, buffering cushion, support inner panel, support planking and support inner panel be U type structure, the opening of support planking and support inner panel sets up relatively, buffering cushion fixed connection between support planking and support inner panel.

Further, the fixed bolster include the fixed plate, the four corners department of fixed plate be provided with the first fixed orifices that is used for being connected with the engine, the fixed plate on fixedly be provided with two sets of fixed curb plates, fixed curb plate towards the fixed connecting plate that is provided with in one side of support inner panel, connecting plate and support inner panel connection.

Further, second fixing holes for connecting with the longitudinal beam brackets are formed in two sides of the bracket outer plate.

Further, the upper ends and the lower ends of the two groups of fixed side plates are fixedly connected with the first reinforcing plate and the second reinforcing plate respectively.

Further, the connecting plate on be provided with first bolt hole, the support inner panel on the position of relative first bolt hole be provided with the second bolt hole, first bolt hole and second bolt hole pass through bolted connection.

Further, the connecting plate on be provided with first location pinhole, first location pinhole in fixed be provided with the locating pin, the support inner panel on the position of relative locating pin be provided with the second location pinhole.

Further, a downward inclined surface is arranged on one side of the fixed side plate, facing the longitudinal beam bracket, and the bracket inner plate is fixedly connected to the inclined surface.

Further, a first reinforcing rib is arranged at the bending position of the support outer plate, and a second reinforcing rib is arranged at the bending position of the support inner plate.

Further, the inner support plate is arranged in the outer support plate, and soft sleeves are sleeved at the upper end and the lower end of the inner support plate, which are positioned in the outer support plate.

Further, the upper side and the lower side of the buffer cushion are both concave cambered structures.

The utility model has the beneficial effects that: the engine suspension structure adopts a U-shaped buckling structure, has good longitudinal limiting effect on the horizontal large-displacement engine, avoids overlarge longitudinal displacement when the engine shakes, can compactly arrange peripheral parts of the engine, saves arrangement space, and has simple process and lower cost; meanwhile, the soft cushion has small rigidity, and the vehicle can effectively isolate vibration when running under severe working conditions, so that the driving comfort is good.

The utility model will be described in more detail below with reference to the drawings and examples.

Drawings

Fig. 1 is a view showing an engine mounting structure according to the present utility model.

Fig. 2 is a side view of an engine mounting structure of the present utility model.

Fig. 3 is an exploded view of an engine mount structure according to the present utility model.

Fig. 4 is a structural view of a buffer bracket in the present utility model.

Fig. 5 is an assembly view of an engine mounting structure according to the present utility model.

Detailed Description

The engine suspension structure as shown in fig. 1 to 5 comprises a fixed bracket 1 and a buffer bracket 2, wherein the buffer bracket 2 is connected with the fixed bracket 1, the buffer bracket 2 comprises a bracket outer plate 21, a buffer cushion 22 and a bracket inner plate 23, the bracket outer plate 21 and the bracket inner plate 23 are of U-shaped structures, openings of the bracket outer plate 21 and the bracket inner plate 23 are oppositely arranged, and the buffer cushion 22 is fixedly connected between the bracket outer plate 21 and the bracket inner plate 23. The outer bracket plate 21, the cushion 22 and the inner bracket plate 23 are integrally connected by vulcanization. The cushion 22 is made of Ethylene Propylene Diene Monomer (EPDM). The suspension structure is respectively provided with a group on the left side and the right side of the engine, and is respectively connected with the longitudinal beam brackets 5 on the two sides.

Preferably, in combination with the above scheme, in order to facilitate connection with the engine and the buffer bracket 2, the fixing bracket 1 includes a fixing plate 11, first fixing holes 111 for connection with the engine are provided at four corners of the fixing plate 11, two groups of fixing side plates 12 are provided on the fixing plate 11 by welding, a connecting plate 13 is provided on one side of the fixing side plate 12 facing the bracket inner plate 23 by welding, and the connecting plate 13 is connected with the bracket inner plate 23.

Preferably, in combination with the above, in order to facilitate the connection of the cushion bracket 2 and the side rail bracket 5 by bolts, both sides of the bracket outer panel 21 are provided with second fixing holes 213 for the connection with the side rail bracket 5.

Preferably, in combination with the above-mentioned scheme, in order to increase the structural strength and the anti-torsion capability of the suspension, the upper ends and the lower ends of the two sets of fixed side plates 12 are fixedly connected with the first reinforcing plate 14 and the second reinforcing plate 15 respectively through welding.

Preferably, in combination with the above scheme, in order to facilitate the connection between the buffer bracket 2 and the fixed bracket 1, the connecting plate 13 is provided with a first bolt hole 131, the bracket inner plate 23 is provided with a second bolt hole 231 at a position opposite to the first bolt hole 131, and the first bolt hole 131 and the second bolt hole 231 are connected through the bolt 3.

Preferably, in combination with the above solution, in order to facilitate positioning during assembly, the connecting plate 13 is provided with a first positioning pin hole 132, a positioning pin 4 is fixedly disposed in the first positioning pin hole 132, and a second positioning pin hole 232 is disposed on the inner plate 23 of the bracket at a position opposite to the positioning pin 4.

Preferably, in combination with the above-mentioned solution, in order to facilitate the connection with the rail bracket 5 and to better limit the longitudinal displacement of the engine, the side of the fixed side plate 12 facing the rail bracket 5 is provided with a downward inclined surface on which the bracket inner plate 23 is fixedly connected. The lower part of the rail bracket 5 is also inclined in the direction of the engine so as to be coupled with the bracket outer panel 21.

Preferably, in combination with the above, in order to increase the contact area of the cushion pad 22 with the inside of the outer panel 21 of the bracket and thus increase the adhesion, the middle portion of the outer panel 21 of the bracket is provided with a bead 211 protruding toward the cushion pad 22.

Preferably, in combination with the above-mentioned scheme, in order to increase structural rigidity, the bent portion of the outer bracket plate 21 is provided with a first reinforcing rib 212, and the bent portion of the inner bracket plate 23 is provided with a second reinforcing rib 233.

Preferably, in combination with the above, in order to prevent the outside bracket plate 21 and the inside bracket plate 23 from interfering with each other while leaving a sufficient compression distance for the cushion pad 22, the inside bracket plate 23 is disposed inside the outside bracket plate 21; in order to prevent abnormal noise generated by the collision of the support outer plate 21 and the support inner plate 23 when the engine moves up and down, the upper end and the lower end of the support inner plate 23, which are positioned in the support outer plate 21, are respectively sleeved with a soft sleeve 24. The soft sleeve 24 is made of Ethylene Propylene Diene Monomer (EPDM).

Preferably, in combination with the above solution, in order to make the carrying capacity of the cushion 22 stronger, the upper and lower sides of the cushion 22 are both concave cambered structures.

It should be noted that all directional indicators (such as up, down, left, right, front, and rear … …) in the present utility model are merely used to explain the relative positional relationship, movement, etc. between the components in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is correspondingly changed.

While the utility model has been described above by way of example with reference to the accompanying drawings, it will be apparent that the utility model is not limited to the specific embodiments described above, but is intended to cover various modifications of the method concepts and technical solutions of the utility model, or applications without modifications, as such are within the scope of the utility model.

Claims (10)

1. The utility model provides an engine suspension structure, characterized by, including fixed bolster (1), buffering support (2) be connected with fixed bolster (1), buffering support (2) include support planking (21), buffering cushion (22), support inner panel (23), support planking (21) and support inner panel (23) be U type structure, the opening of support planking (21) and support inner panel (23) set up relatively, buffering cushion (22) fixed connection between support planking (21) and support inner panel (23).

2. The engine suspension structure according to claim 1, wherein the fixing bracket (1) comprises a fixing plate (11), first fixing holes (111) for connecting with an engine are formed in four corners of the fixing plate (11), two groups of fixing side plates (12) are fixedly arranged on the fixing plate (11), a connecting plate (13) is fixedly arranged on one side, facing the bracket inner plate (23), of the fixing side plates (12), and the connecting plate (13) is connected with the bracket inner plate (23).

3. The engine mount structure according to claim 1, wherein second fixing holes (213) for connection with the side member brackets (5) are provided on both sides of the bracket outer plate (21).

4. The engine mounting structure according to claim 2, wherein the upper ends and the lower ends of the two sets of the fixed side plates (12) are fixedly connected with the first reinforcing plate (14) and the second reinforcing plate (15), respectively.

5. The engine suspension structure according to claim 2, wherein the connecting plate (13) is provided with a first bolt hole (131), the bracket inner plate (23) is provided with a second bolt hole (231) at a position opposite to the first bolt hole (131), and the first bolt hole (131) and the second bolt hole (231) are connected by a bolt (3).

6. The engine suspension structure according to claim 2, characterized in that the connecting plate (13) is provided with a first positioning pin hole (132), a positioning pin (4) is fixedly arranged in the first positioning pin hole (132), and a second positioning pin hole (232) is arranged at a position opposite to the positioning pin (4) on the bracket inner plate (23).

7. The engine suspension structure according to claim 2, wherein a side of the fixed side plate (12) facing the side member bracket (5) is provided with a downward inclined surface, and the bracket inner plate (23) is fixedly attached to the inclined surface.

8. The engine suspension structure according to claim 1, characterized in that a first reinforcing rib (212) is provided at a bent portion of the bracket outer plate (21), and a second reinforcing rib (233) is provided at a bent portion of the bracket inner plate (23).

9. The engine suspension structure according to claim 1, wherein the bracket inner plate (23) is disposed inside the bracket outer plate (21), and the upper and lower ends of the bracket inner plate (23) disposed inside the bracket outer plate (21) are respectively provided with a soft sleeve (24).

10. The engine mounting structure according to claim 1, wherein both upper and lower sides of the cushion pad (22) are concave cambered structures.