CN111251856A

CN111251856A - Right suspension structure

Info

Publication number: CN111251856A
Application number: CN201911368894.9A
Authority: CN
Inventors: 李建华; 尹浩; 孙伟
Original assignee: Zhejiang Leapmotor Technology Co Ltd
Current assignee: Zhejiang Zero Run Technology Co Ltd
Priority date: 2019-12-26
Filing date: 2019-12-26
Publication date: 2020-06-09
Anticipated expiration: 2039-12-26
Also published as: CN111251856B

Abstract

The utility model provides a right side suspension structure, aims at solving among the prior art pure rubber suspension's three-dimensional rigidity fixed, when the three-dimensional proportion exceeded the scope, the rubber durability can descend by a wide margin, moves always to big moment of torsion, the relatively poor technical problem of reliability of suspension. The rubber shock absorption device comprises a base and an outer support detachably connected with the base, wherein the base and the outer support are matched to form a mounting cavity for accommodating an inner support group, one side of the outer support is connected with a first support arm, the inner support group comprises an inner support, a first support piece and a second support piece, the inner support is sleeved with a second support arm, the second support arm is positioned on one side of the outer support, which is far away from the first support arm, and the second support arm is detachably connected with a rubber shock absorption component.

Description

Right suspension structure

Technical Field

The invention relates to the technical field of automobile parts, in particular to a right suspension structure.

Background

The suspension is an automobile power assembly part used for reducing and controlling the transmission of engine vibration and playing a role in supporting, and is applied to the current automobile industry, and the widely used suspensions are the traditional pure rubber suspension and the hydraulic suspension with better dynamic and static performances; however, the hydraulic mount cannot be widely applied to ordinary vehicles due to high cost, so how to expand the decoupling stiffness selection range of the traditional pure rubber mount, and the improvement of the vibration isolation capability of the mount is a key point and a hot point in current mount research and development.

Chinese patent with application number CN201120347758.4 discloses a semi-floating cab front suspension device, which comprises an upper support frame, a lifting shaft pin, a buffer, a rotating shaft pin, a front rubber vibration reduction, a lower mounting bracket, a welding bracket assembly and the like, wherein the upper ends of the upper support frame and the welding bracket assembly are fixedly connected with a cab; the front rubber vibration damper is connected with the lower mounting bracket through a rotating shaft pin after being in interference fit with the upper support bracket; the buffer is respectively hinged with the upper support frame and the rotating shaft pin through a bolt and a nut, and the rotating shaft pin is connected with the lower mounting bracket; the lower mounting bracket is fixedly connected with the frame through bolts and nuts.

The structure of the above patent is simple, the parts work reliably, the space is saved, the service life is long, the weight is light, the stability is good, and the vibration energy transmitted from all directions can be attenuated; however, the three-way stiffness of the pure rubber suspension is fixed (X/Z = 0.8-2.5), and if the three-way ratio exceeds the above range, the rubber durability is greatly reduced, and the reliability of the suspension is poor for large torque moment.

Disclosure of Invention

The invention provides a right suspension structure, aiming at overcoming the technical problems that the three-direction rigidity of a pure rubber suspension in the prior art is fixed, the rubber durability is greatly reduced when the three-direction proportion exceeds the range, and the reliability of the suspension is poor for a large torque dynamic assembly.

In order to achieve the above object, the present invention adopts the following technical solutions.

The utility model provides a right side suspension structure, includes the base and can dismantle the outer support of being connected with the base, the base constitutes the installation cavity that is used for holding inner support group with the outer support cooperation, and one side of outer support is connected with first support arm, and inner support group is equipped with the second support arm including inner support, first support piece and second support piece, cover in the inner support, and the second support arm is located the one side that first support arm was kept away from to the outer support, can dismantle on the second support arm and be connected with rubber shock attenuation subassembly. The engine is one of the most important vibration sources of the vehicle, and the vibration of the engine is transmitted to the parts, such as a vehicle body, a seat, a steering wheel, soles of a user and the like, which are in more contact with a human body through a suspension system by a power assembly, so that the quality of the design of the suspension system is directly related to the transmission of the vibration of the engine to the vehicle body and influences the NVH performance of the whole vehicle; the influence of engine vibration on the vibration of the whole vehicle can be effectively reduced by reasonably selecting and matching suspension support parameters, but the adjustment of the suspension position and angle in a compact installation space is difficult, so that the system needs to be completely decoupled or partially decoupled by optimizing the rigidity of the suspension, and the resonance frequency range is reduced. The right suspension structure adopts a transverse multi-rubber structure, and particularly, a third support arm detachably connected with a second support arm is connected with a first rubber part and a second rubber part, so that the three-way proportion of the right suspension can be changed.

Preferably, the rubber shock absorption assembly comprises a third support arm perpendicular to the second support arm, a connecting sleeve is arranged at one end, close to the second support arm, of the third support arm, an installation sleeve is arranged at the other end of the third support arm, an installation groove penetrating through the third support arm is formed between the installation sleeve and the connecting sleeve, a first rubber piece is installed in the installation sleeve, and a second rubber piece is installed in the installation groove. Above-mentioned technical scheme prescribes a limit to many rubber structure's mounted position, and is concrete, and the one end that the third support arm is close to the second support arm is equipped with connecting sleeve, and the other end of third support arm is equipped with the installation sleeve, is equipped with the mounting groove that link up the third support arm between installation sleeve and the connecting sleeve, is equipped with first rubber spare in the installation sleeve, is equipped with the second rubber spare in the mounting groove.

Preferably, first rubber spare is the annular column, and the both ends of first rubber spare all are equipped with the ring channel, and the laminating has first sleeve on the internal face of first rubber spare, and the bolt passes first sleeve and fixes first rubber spare in the installation sleeve. Above-mentioned technical scheme prescribes a limit to the mounting means of first rubber spare, and is concrete, and the laminating has first sleeve on the internal face of first rubber spare, and the bolt passes first sleeve and fixes first rubber spare in the installation sleeve.

Preferably, the second rubber part comprises a body in a cubic shape, two ends of the body are respectively provided with a rubber plate attached to the wall of the mounting groove, the body is provided with a first mounting hole penetrating through the body in the width direction, the axis of the first mounting hole is parallel to the axis of the mounting sleeve, the inner wall surface of the first mounting hole is attached to a second sleeve, and the bolt penetrates through the second sleeve to fix the second rubber part in the mounting groove. Above-mentioned technical scheme prescribes a limit to the structure and the mounting means of second rubber spare, and is specific, and the second rubber spare includes body and rubber slab, and the rubber slab carries out the shock attenuation once, and the body carries out the secondary shock attenuation, effectively promotes shock-absorbing capacity.

As preferred, the second support arm includes that this body section and terminal surface are isosceles trapezoid's linkage segment, and the one pot head that the linkage segment was kept away from to the body section is equipped with one end confined third sleeve, and the inner support includes first base and first installed part, is equipped with on the first installed part with the first mounting groove of third sleeve assorted, and first base and first installed part pass through the otic placode and link to each other. One end of the first mounting groove is closed, the first mounting groove limits the third sleeve, one end of the third sleeve is closed, the third sleeve limits the body section of the second support arm, and the second support arm is inserted into the third sleeve.

Preferably, the base includes the second body, and the second body is equipped with an installation otic placode respectively along its length direction's both ends, is equipped with the first connecting hole that link up along its thickness direction on the installation otic placode, and the one end that the body was kept away from to the installation otic placode is equipped with first buckle, is equipped with the second mounting groove that link up along its thickness direction on the second body, is equipped with the jack group of arranging with the notch offset of second mounting groove on the second body, and the one side that the second mounting groove was kept away from to the jack group is equipped with the buckle group. The second mounting groove is used for installing a second supporting piece, the inserting hole group and the buckle group are matched and then used for installing a first supporting piece, the first buckle is used for connecting the outer support, namely the outer support, the first supporting piece and the second supporting piece are detachably connected with the base, when a certain component is damaged, the whole right suspension does not need to be replaced, only the damaged component needs to be replaced correspondingly, and the maintenance cost of the right suspension structure is reduced, and meanwhile, the whole replaceability is improved.

Preferably, the outer peripheral surface of the first supporting piece is provided with an inserting piece group matched with the inserting hole group, the clamping and buckling group is matched with the inserting piece group to connect the first supporting piece with the second body, and the first supporting piece and the base are matched to form a second mounting cavity for accommodating the second supporting piece.

Preferably, the cross section of the outer support is in an isosceles trapezoid shape, the outer support comprises a large end and a small end, the first support arm and the second support arm are close to the small end, the two sides of the large end in the length direction are respectively provided with a second lug plate, the second lug plate is provided with a second connecting hole penetrating along the thickness direction, a bolt penetrates through the first connecting hole and the second connecting hole to connect the outer support and the base, and one side, far away from the large end, of the second lug plate is provided with a first step surface matched with the first buckle.

Preferably, the second support piece comprises a second base and a connecting piece for supporting the inner support, the second base comprises a basin-shaped piece clamped with the second mounting groove and a flange located at the opening end of the basin-shaped piece, an annular boss is arranged on the flange, a sink groove matched with the annular boss is arranged on the end face, close to the second base, of the connecting piece, and a reinforcing rib is arranged in the basin-shaped piece.

Preferably, the connecting piece is cubic, the connecting piece is chamfered along the side edge of the connecting piece in the height direction, a second sinking groove with a round-angle rectangular cross section is formed in the end face of the connecting piece close to the second base, a plurality of reinforcing plates arranged at intervals are arranged in the second sinking groove, a sinking groove group and a third sinking groove with a waist circular shape are arranged on the end face of the connecting piece far away from the second base, and the sinking groove group comprises a plurality of fourth sinking grooves arranged at intervals in the length direction of the connecting piece.

In conclusion, the invention has the following beneficial effects: (1) the suspension structure adopts a transverse multi-rubber structure, the three-dimensional proportion of the suspension can be changed, and the decoupling of the suspension system is facilitated; (2) rigidity is great during big displacement, and rigidity is less during low displacement, adopts multistage vibration isolation, and whole car NVH performance is higher.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is another structural schematic diagram of the whole of the present invention.

Fig. 3 is an exploded view of the present invention.

Fig. 4 is another exploded view of the present invention.

Fig. 5 is a schematic structural view of the stent assembly of the present invention.

In the figure:

the base 1, the outer bracket 2, the inner bracket group 3, the first support arm 4, the inner bracket 5, the first support 6, the second support 7, the second support arm 8, the third support arm 9, the connection sleeve 10, the mounting sleeve 11, the mounting groove 12, the first rubber 13, the second rubber 14, the annular groove 15, the first sleeve 16, the body 17, the rubber plate 18, the second sleeve 19, the body section 20, the connection section 21, the third sleeve 22, the first base 23, the first mounting part 24, the first mounting groove 25, the lug plate 26, the second body 27, the mounting lug plate 28, the first connection hole 29, the first buckle 30, the second mounting groove 31, the plug hole group 32, the buckle group 33, the plug group 34, the large end 35, the small end 36, the second lug plate 37, the second connection hole 38, the first step surface 39, the connection member 40, the basin-shaped member 41, the flange 42, the annular boss 43, the fourth sunken groove 44, the third sunken groove 45, sink bank 46.

Detailed Description

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

In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example (b):

as shown in fig. 1 to 5, a right suspension structure comprises a base 1 and an outer bracket 2 detachably connected with the base, and is characterized in that the base and the outer bracket cooperate to form a mounting cavity for accommodating an inner bracket group 3, one side of the outer bracket is connected with a first support arm 4, the inner bracket group comprises an inner bracket 5, a first support piece 6 and a second support piece 7, a second support arm 8 is sleeved in the inner bracket, the second support arm is positioned on one side of the outer bracket away from the first support arm, and a rubber shock absorption component is detachably connected to the second support arm; the rubber shock absorption assembly comprises a third support arm 9 vertical to the second support arm, one end, close to the second support arm, of the third support arm is provided with a connecting sleeve 10, the other end of the third support arm is provided with a mounting sleeve 11, a mounting groove 12 penetrating through the third support arm is formed between the mounting sleeve and the connecting sleeve, a first rubber piece 13 is mounted in the mounting sleeve, and a second rubber piece 14 is mounted in the mounting groove; the first rubber part is in an annular column shape, annular grooves 15 are formed in two ends of the first rubber part, a first sleeve 16 is attached to the inner wall surface of the first rubber part, and a bolt penetrates through the first sleeve to fix the first rubber part in the installation sleeve; the second rubber part comprises a cube-shaped body 17, two ends of the body are respectively provided with a rubber plate 18 which is attached to the wall of the mounting groove, the body is provided with a first mounting hole which is communicated along the width direction of the body, the axis of the first mounting hole is parallel to the axis of the mounting sleeve, the inner wall surface of the first mounting hole is attached with a second sleeve 19, and a bolt penetrates through the second sleeve to fix the second rubber part in the mounting groove; the second support arm comprises a body section 20 and a connecting section 21 with an isosceles trapezoid end face, one end, far away from the connecting section, of the body section is sleeved with a third sleeve 22 with a closed end, the inner support comprises a first base 23 and a first mounting piece 24, the first mounting piece is provided with a first mounting groove 25 matched with the third sleeve, and the first base and the first mounting piece are connected through an ear plate 26; the base comprises a second body 27, two ends of the second body along the length direction of the second body are respectively provided with an installation lug plate 28, the installation lug plates are provided with first connecting holes 29 which are communicated along the thickness direction of the installation lug plates, one ends of the installation lug plates, which are far away from the body, are provided with first buckles 30, the second body is provided with second installation grooves 31 which are communicated along the thickness direction of the second body, the second body is provided with plug hole groups 32 which are arranged in a manner of offsetting with notches of the second installation grooves, and one sides of the plug hole groups, which are far away from the second installation grooves, are provided with buckle groups; the outer peripheral surface of the first supporting piece is provided with an inserting piece group 34 matched with the inserting hole group, the first supporting piece is connected with the second body after the buckling group is matched with the inserting piece group, and the first supporting piece and the base are matched to form a second installation cavity for accommodating the second supporting piece; the cross section of the outer support is in an isosceles trapezoid shape, the outer support comprises a large end 35 and a small end 36, the first support arm and the second support arm are both close to the small end, two sides of the large end along the length direction are respectively provided with a second lug plate 37, the second lug plate is provided with a second connecting hole 38 penetrating along the thickness direction, a bolt penetrates through the first connecting hole and the second connecting hole to connect the outer support with the base, and one side of the second lug plate, which is far away from the large end, is provided with a first step surface 39 matched with the first buckle; the second supporting piece comprises a second base and a connecting piece 40 used for supporting the inner support, the second base comprises a basin-shaped piece 41 clamped with the second mounting groove and a flange 42 positioned at the opening end of the basin-shaped piece, an annular boss 43 is arranged on the flange, a sink groove matched with the annular boss is arranged on the end face of the connecting piece close to the second base, and a reinforcing rib is arranged in the basin-shaped piece; the connecting piece is cube form, and the connecting piece is followed its direction of height's side department chamfer and is handled, is equipped with the second heavy groove that the cross-section is fillet rectangle form on the terminal surface that the connecting piece is close to the second base, is equipped with the reinforcing plate of a plurality of interval arrangement in the second heavy groove, is equipped with heavy groove group 46 and waist circular shape's third heavy groove 45 on the terminal surface that the second base was kept away from to the connecting piece, and heavy groove group is including a plurality of fourth heavy groove 44 along connecting piece length direction interval arrangement.

As shown in figure 1, the outer bracket and the base are arranged in sequence from top to bottom, the inner bracket group is arranged in a mounting cavity formed by the outer bracket and the base, a first support arm is connected on the left end surface of the outer bracket and is vertical to the left end surface of the outer bracket, the first support arm is in a V shape, a through hole which is communicated from top to bottom is arranged at the left end of the first support arm, the right end surface of the outer bracket is in a roughly isosceles trapezoid shape, the outer bracket comprises a small end and a large end from top to bottom, a second support arm connected with the bracket group at the left end extends outwards along the vertical direction of the right end surface of the outer bracket, the second support arm comprises a body section and a connecting section from left to right, the body section is in a cube shape as seen in combination with figure 3, the body section is chamfered along the side line of the length direction of the body section, the upper end surface of the connecting section is in a roughly isosceles trapezoid shape, the connecting section is bent downwards, the included angle between the connecting section and the, each arc-shaped groove is internally provided with a sleeve, the left end of the connecting section is provided with a threaded hole for mounting a third support arm, the axis of the threaded hole is vertically arranged from top to bottom, the third support arm extends towards the inner side along the drawing direction, one end of the third support arm close to the second support arm is provided with a connecting sleeve, a bolt penetrates through the connecting sleeve and the threaded hole to realize the connection of the second support arm and the third support arm, the other end of the third support arm is provided with a mounting sleeve, the mounting sleeve is arranged from left to right, a mounting groove penetrating through the third support arm is arranged between the connecting sleeve and the mounting sleeve, a first rubber part is fixedly attached in the mounting sleeve, the first rubber part is in an annular column shape, the left end and the right end of the first rubber part are respectively provided with an annular groove, the first sleeve is fixedly attached in the first rubber part, the bolt penetrates through the first sleeve to connect the third support arm with other components, the second rubber part comprises a, the end face of the body is a parallelogram, the body is provided with a first mounting hole which is penetrated from left to right, the two rubber plates are respectively attached to the upper and lower groove walls of the mounting groove, and a bolt passes through the first mounting hole to connect the second rubber part with other components; the body section of the second support arm is sleeved with a third sleeve, the left end of the third sleeve is closed, the inner support group sequentially comprises an inner support, a first support piece and a second support piece from top to bottom, the first support piece and the base are matched to form a second installation cavity, the second support piece is positioned in the second installation cavity, the inner support comprises a first installation piece and a first base from top to bottom, the first installation piece and the first base are connected through two lug plates which are obliquely arranged, a first installation groove matched with the outer peripheral face of the third sleeve is arranged on the right end face of the first installation piece, the first support piece is a ring-shaped piece, the upper end face of the first support piece is used for bearing the inner support, an insertion piece group is arranged on the outer peripheral face of the first support piece, the insertion piece group comprises a plurality of insertion strips which are arranged at intervals, the insertion strips are vertically arranged from top to bottom, a clamping table is arranged between every two adjacent insertion, The second body and the mounting lug plate have a height difference along the vertical direction, a central area of the second body is provided with a second mounting groove which is penetrated from top to bottom, an inserting hole group used for limiting the inserting strip is arranged on the periphery of the second mounting groove in a biased way, a buckle group matched with the clamping table is arranged on the periphery of the inserting hole group, a second supporting piece comprises a second base and a connecting piece used for supporting the inner bracket, the second base comprises a basin-shaped piece clamped with the second mounting groove and a flange positioned at the opening end of the basin-shaped piece, an annular boss is arranged on the flange, a sinking groove matched with the annular boss is arranged on the lower end face of the connecting piece, a reinforcing rib is arranged in the basin-shaped piece, the connecting piece is cube-shaped, the connecting piece is chamfered along the side edge of the height direction, a second sinking groove with a round-angle rectangular cross section is arranged on the lower end face of the connecting piece, a plurality of reinforcing plates arranged, the upper end face of the connecting piece is provided with a sinking groove group and a third sinking groove in a waist circular shape, and the sinking groove group comprises a plurality of fourth sinking grooves which are arranged at intervals along the length direction of the connecting piece.

Claims

1. The utility model provides a right side suspension structure, includes the base and can dismantle the outer support of being connected with the base, its characterized in that, base and outer support cooperation constitute the installation cavity that is used for holding inner support group, and one side of outer support is connected with first support arm, and inner support group is equipped with the second support arm including the inner support in the inner support, and the second support arm is located the one side that first support arm was kept away from to the outer support, can dismantle on the second support arm and be connected with rubber shock attenuation subassembly.

2. The right suspension structure according to claim 1, wherein the rubber shock absorbing assembly comprises a third arm perpendicular to the second arm, a connecting sleeve is provided at one end of the third arm close to the second arm, a mounting sleeve is provided at the other end of the third arm, a mounting groove penetrating the third arm is provided between the mounting sleeve and the connecting sleeve, the mounting sleeve is provided with a first rubber member, and the mounting groove is provided with a second rubber member.

3. The right suspension structure according to claim 2, wherein the first rubber member is in an annular column shape, annular grooves are formed at both ends of the first rubber member, a first sleeve is attached to an inner wall surface of the first rubber member, and a bolt penetrates through the first sleeve to fix the first rubber member in the mounting sleeve.

4. The right suspension structure as claimed in claim 2, wherein the second rubber member comprises a cubic body, two ends of the body are respectively provided with a rubber plate attached to the wall of the mounting groove, the body is provided with a first mounting hole penetrating along the width direction of the body, the axis of the first mounting hole is parallel to the axis of the mounting sleeve, the inner wall surface of the first mounting hole is attached with a second sleeve, and the bolt passes through the second sleeve to fix the second rubber member in the mounting groove.

5. The right suspension structure of claim 2, wherein the second arm includes a body section and a connecting section with an isosceles trapezoid end surface, a third sleeve with a closed end is sleeved on an end of the body section away from the connecting section, the inner bracket includes a first base and a first mounting member, the first mounting member is provided with a first mounting groove matched with the third sleeve, and the first base and the first mounting member are connected through an ear plate.

6. The right suspension structure according to claim 1, wherein the base includes a second body, the second body has a mounting ear plate at each of two ends along a length direction thereof, the mounting ear plate has a first connecting hole extending therethrough along a thickness direction thereof, the mounting ear plate has a first buckle at an end thereof remote from the body, the second body has a second mounting groove extending therethrough along the thickness direction thereof, the second body has a jack group offset from a notch of the second mounting groove, and the jack group has a buckle group at a side remote from the second mounting groove.

7. The right suspension structure of claim 6, wherein the inner bracket set comprises a first supporting member and a second supporting member, an insertion member set matched with the insertion hole set is arranged on the outer peripheral surface of the first supporting member, the first supporting member is connected with the second body after the snap-fit set is matched with the insertion member set, and the first supporting member and the base are matched to form a second mounting cavity for accommodating the second supporting member.

8. The right suspension structure as claimed in claim 6, wherein the cross section of the outer bracket is in the shape of an isosceles trapezoid, the outer bracket includes a large end and a small end, the first and second support arms are both close to the small end, the large end is provided with a second ear plate along both sides of the length direction, the second ear plate is provided with a second connecting hole penetrating along the thickness direction, the bolt passes through the first connecting hole and the second connecting hole to connect the outer bracket with the base, and a first step surface matched with the first buckle is arranged on one side of the second ear plate away from the large end.

9. The right suspension structure as claimed in claim 6, wherein the second supporting member comprises a second base and a connecting member for supporting the inner bracket, the second base comprises a basin-shaped member clamped with the second mounting groove and a flange at the open end of the basin-shaped member, the flange is provided with an annular boss, the end surface of the connecting member close to the second base is provided with a sink groove matched with the annular boss, and the basin-shaped member is provided with a reinforcing rib.

10. The right suspension structure as claimed in claim 9, wherein the connecting member is cube-shaped, the connecting member is chamfered along its side edges in the height direction, a second sinking groove with a rectangular cross section is formed on the end surface of the connecting member near the second base, a plurality of reinforcing plates are arranged in the second sinking groove, a sinking groove group and a third sinking groove with a waist-round shape are formed on the end surface of the connecting member far from the second base, and the sinking groove group comprises a plurality of fourth sinking grooves arranged at intervals in the length direction of the connecting member.