CN207106662U - Lower carriage assembly is used in a kind of car suspension - Google Patents

Lower carriage assembly is used in a kind of car suspension Download PDF

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Publication number
CN207106662U
CN207106662U CN201721095379.4U CN201721095379U CN207106662U CN 207106662 U CN207106662 U CN 207106662U CN 201721095379 U CN201721095379 U CN 201721095379U CN 207106662 U CN207106662 U CN 207106662U
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China
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plate
lower carriage
hole
special
horizontal
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郭凯
陈玲莉
石光勇
王鹏奇
王庆
张明
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Dongfeng Commercial Vehicle Co Ltd
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Dongfeng Commercial Vehicle Co Ltd
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Abstract

Lower carriage assembly is used in a kind of car suspension, including mirror image lower carriage and lower carriage, axis of the frame upper along support bottom in lower carriage is in left-right asymmetry structure, mirror image lower carriage, lower carriage is using the axis of support bottom as the symmetrical setting of line of symmetry, support bottom includes lower raft, angle end fixing hole and middle through hole, frame upper includes upper base, perpendicular/lateral connection portion, lateral connection portion includes a pair of horizontal side plates, vertical connecting portion includes hollow top platform, special-shaped base, top platform includes top plate, top-side panel, special-shaped base includes plate in abnormal shape, special-shaped side plate, the epipleural that upper base includes the upper plate of undaform and is connected with its both sides, just/back side of upper plate surrounds front groove altogether with epipleural respectively, back side lightening grooves.The design not only degree of being connected firmly preferably, adjustability it is stronger, application is wider, and it is simple in construction, mechanical strength is higher, is easily assembled and uses.

Description

Lower carriage assembly is used in a kind of car suspension
Technical field
It the utility model is related to a kind of rear overhang and put equipment, more particularly to lower carriage assembly is used in a kind of suspension of car, specifically Suitable for strengthening adjustability, expand application.
Background technology
At present, utility vehicle cab is connected by rear-suspending system with vehicle frame, and the function of rear-suspending system is that support is driven Room is sailed, buffers due to vibration caused by Uneven road, improves driving comfort.
Authorization Notice No. is CN202163507U, and authorized announcement date discloses for the utility model patent on March 14th, 2012 A kind of cab rear suspender, it includes suspension beam assembly, a pair of cluster spring vibration damper complements and a pair of rear-suspendings and stands Beam, wherein, a pair of rear-suspending vertical beams are vertically arranged to the bottom of a pair of cluster spring vibration damper complements respectively, suspension beam assembly Upper end of the both ends respectively with a pair of cluster spring vibration damper complements is connected, and divides between a pair of rear-suspending vertical beams and suspension beam assembly Lateral damper assembly is not connected with, and lateral damper assembly is obliquely installed.Although the design can pass through cluster spring vibration damping The horizontal swing of device assembly damping vertical vibration, lateral damper assembly limitation driver's cabin, but it still has following defect:
First, the tie point in the design on lower carriage with vertical shock absorber, lateral damper is located at lower carriage respectively Middle part position on the lower side, the top of lower carriage, the structure limitation to lower carriage is larger, frame bottom and remaining parts under the influence of meeting Connection space and connected mode, cause reduction degree of being connected firmly;
Secondly, the lower carriage in the design is symmetrical structure, and application mode is single, even if the lower carriage of the left and right sides is carried out Change, the car body interface of rear-suspending system and driver's cabin can not be adjusted, adjustability is weaker, and application is narrower.
The information for disclosing the background section is merely intended to understanding of the increase to the general background of present patent application, without It should be considered as recognizing or imply that the information structure has been the existing skill well known to persons skilled in the art in any form Art.
The content of the invention
The purpose of this utility model is to overcome the defects of adjustability present in prior art is weaker, degree of being connected firmly is poor With problem, there is provided a kind of adjustability is compared with strong, the preferable car suspension lower carriage assembly of degree of being connected firmly.
To realize object above, technical solution of the present utility model is:Lower carriage assembly is used in a kind of car suspension, including Mirror image lower carriage and lower carriage, the left end of the top of mirror image lower carriage through vertical shock absorber, lateral damper and suspension beam It is connected, the top of the lower carriage is connected through vertical shock absorber, lateral damper with the right-hand member of suspension beam;
The lower carriage includes frame upper, the support bottom being vertically connected with, and support bottom is bilateral symmetry, support Axis of the top along support bottom is in left-right asymmetry structure;The mirror image lower carriage and lower carriage are mirror image, It is consistent with the structure of support bottom that the position of support bottom is corresponded on mirror image lower carriage, frame upper is corresponded on mirror image lower carriage Position is symmetrical as line of symmetry using the axis of support bottom with frame upper;
The top of the support bottom is connected with the bottom of frame upper, and the top of frame upper includes vertical connecting portion With lateral connection portion, vertical connecting portion is connected through vertical shock absorber with the bottom of suspension beam, and lateral connection portion is through reverse V-shaped crossbeam It is connected with the bottom of lateral damper, the top of lateral damper is connected with the bottom of suspension beam.
The support bottom is symmetrical waist type structure, and the top margin of support bottom, base are horizontal sides, under support The left and right side in portion is arc-shaped side.
The support bottom includes lower raft, angle end fixing hole and middle through hole, and four angles of the lower raft are respectively set Angle end fixing hole is equipped with, the center position of lower raft is provided with a middle through hole.
Lightening hole, lower lightening hole, institute are offered respectively positioned at middle through hole top, the position of lower section on the lower raft The top margin for stating the nearly lower raft in top of lightening hole is set, and the bottom of upper lightening hole is set higher than middle through hole, the lower loss of weight The top in hole is set less than middle through hole, and the base of the nearly lower raft in bottom of lower lightening hole is set.
Position on the lower raft at left and right sides of lower lightening hole is each provided with a mud guard lower fixed hole, institute State the side that mud guard lower fixed hole is located at same support bottom with two angles end fixing hole positioned at its homonymy upper and lower altogether On.
Between the mud guard lower fixed hole and angle end fixing hole, two mud guard lower fixed holes and the middle through hole of the top Between, between two mud guard lower fixed holes of bottom, it is both provided with reinforcement.
The frame upper includes upper base and the vertical connecting portion being connected with its top, lateral connection portion;It is described Lateral connection portion includes symmetrically arranged a pair horizontal side plates, is provided with the top of the horizontal side plate and is connected with reverse V-shaped crossbeam Horizontal fixing hole;
The vertical connecting portion includes being the top platform of hollow structure, special-shaped base, and the top platform includes top Flat board and the top-side panel being connected with its both sides, special-shaped base include plate and the special-shaped side plate being connected with its both sides in abnormal shape, The vertical fixing hole being connected with vertical shock absorber, the bottom of top-side panel and special-shaped side plate are offered in the middle part of the top plate Top is connected, and the bottom of special-shaped side plate at the top of upper base with being connected, and the middle part of adjacent special-shaped side plate is with being sandwiched in it Between abnormal shape in the both sides of plate be connected, nearly special-shaped side plate, the position of top-side panel junction are provided with the side of special-shaped side plate The convex platform extended to outside lateral connection portion, convex platform are hollow structure, and convex platform is put down through oblique closed plate and special-shaped side plate, top Plate, top-side panel are connected simultaneously, and tiltedly the bottom of closed plate, convex platform with horizontal side plate is connected.
The lateral connection portion also includes horizontal flat board and vertical and horizontal plate, the both sides of the horizontal flat board respectively with horizontal side plate Middle part is connected, the bottom of horizontal flat board through plate in abnormal shape with being connected at the top of vertical and horizontal plate, the bottom of vertical and horizontal plate and upper base Top be connected, and the cavity in convex platform is divided into left window, right window by vertical and horizontal plate.
The upper base includes upper plate and a pair of epipleurals being connected with its both sides, the top of epipleural are right with it The bottom for the special-shaped side plate answered is connected, and the top of upper plate is connected with the bottom of vertical and horizontal plate;
The upper plate is rendered as Wave-shaped structural from the bottom to top, and front and two epipleurals of upper plate surround one altogether The front groove communicated with left window, right window, the back side of upper plate surround the back side of an indent with two epipleurals altogether Lightening grooves.
The position of nearly support bottom is provided with fixing hole on two mud guards, two mud guards on the bottom of the upper plate Upper fixed hole position is between two angles end fixing hole of the top;The position of nearly tiltedly closed plate opens up fenestrate on the special-shaped side plate Type lightening hole.
Compared with prior art, the beneficial effects of the utility model are:
1st, a kind of car suspension of the utility model is used in lower carriage assembly, and the top of frame upper includes vertical connecting portion, horizontal stroke To connecting portion, to be connected respectively with vertical shock absorber, lateral damper, in use, all being concentrated on the tie point of shock absorber Frame upper, the structure of support bottom will not be impacted, also without interference with support bottom and remaining parts, such as vehicle frame Between connection, beneficial to raising degree of being connected firmly, in addition, support bottom is bilateral symmetry, frame upper is along support bottom Axis be in left-right asymmetry structure, meanwhile, mirror image lower carriage, lower carriage using the axis of support bottom be line of symmetry in a left side The right side is symmetrical arranged, and the design is made it possible to by way of right and left mutually changing lower carriage, mirror image lower carriage, and adjustment rear-suspending system is with driving The car body interface of room is sailed, meanwhile, extended type driver's cabin can also share a set of lower carriage part with nitril pilot room.Therefore, this reality It is preferable with new not only degree of being connected firmly, and adjustability is stronger, and application is wider.
2nd, a kind of car suspension of the utility model is used in lower carriage assembly, and four angles of lower raft are each provided with angle end Fixing hole, the center position of lower raft are provided with a middle through hole, and the design both can ensure that support bottom and remaining parts Between degree of being connected firmly, it is ensured that the stability in lower carriage use, and can not damage the rigidity of structure of lower carriage itself, it is ensured that Strong property in use.Therefore, not only degree of being connected firmly is preferable for the utility model, and mechanical strength is higher.
3rd, a kind of car suspension of the utility model is used in lower carriage assembly, and lateral connection portion includes symmetrically arranged a pair laterally Side plate, it is the top platform of hollow structure, special-shaped base that vertical connecting portion, which includes, top platform include top plate and with its two The top-side panel that side is connected, special-shaped base include plate and the special-shaped side plate being connected with its both sides in abnormal shape, it is seen then that lateral connection Portion, vertical connecting portion are hollow plate-jointing structure, and the design not only simplify structure, reduce construction weight, and Beneficial to the attended operation between shock absorber, operation difficulty is relatively low, more can ensure that the firmness of connection.Therefore, the utility model It is not only simple in structure, cost is relatively low and easy to use, degree of being connected firmly is preferable.
4th, a kind of car suspension of the utility model is used in lower carriage assembly, and upper base includes upper plate and is connected with its both sides A pair of the epipleurals connect, the bottom of epipleural, the top of upper plate respectively with special-shaped side plate, vertical and horizontal plate are connected, meanwhile, upper bottom Plate is rendered as Wave-shaped structural from the bottom to top, and front and two epipleurals of upper plate surround one and left window, right window altogether The front groove communicated, the back side of upper plate surround the back side lightening grooves of an indent with two epipleurals altogether, in use, should Design both can ensure that the degree of being connected firmly with lateral connection portion, vertical connecting portion, it is ensured that the normal performance of effectiveness in vibration suppression, and can expand The assembling of big parts and operating space, reduce assembly difficulty, moreover it is possible to reduce product on the basis of product structure rigidity is ensured Weight.Therefore, the utility model not only connects firmness preferably, mechanical strength it is higher, and be easily assembled, weight compared with Gently.
Brief description of the drawings
Fig. 1 is dimensional structure diagram when lower carriage is faced in the utility model.
Fig. 2 is vertical connecting portion, the enlarged diagram in lateral connection portion in Fig. 1.
Fig. 3 is the dimensional structure diagram of lower carriage back of the body apparent time in the utility model.
Fig. 4 is vertical connecting portion, the enlarged diagram in lateral connection portion in Fig. 3.
Fig. 5 is lower carriage inner support bottom in the utility model, the symmetric relation schematic diagram of frame upper.
Fig. 6 is the symmetric relation schematic diagram of mirror image lower carriage and lower carriage in the utility model.
Fig. 7 is vertical connecting portion, the structural representation in lateral connection portion in mirror image lower carriage in the utility model.
Fig. 8 is assembling schematic diagram of the present utility model.
In figure:Vertical shock absorber 1, lateral damper 2, reverse V-shaped crossbeam 3, suspension beam 4, lower carriage 5, mirror image lower carriage 50, Support bottom 51, lower raft 511, angle end fixing hole 512, middle through hole 513, upper lightening hole 514, lower lightening hole 515, mud guard Lower fixed hole 516, reinforcement 517, frame upper 52, vertical connecting portion 53, lateral connection portion 54, horizontal flat board 541, vertical and horizontal plate 542nd, short clamping plate 543, long clamping plate 544, clamping plate breach 545, horizontal side plate 55, horizontal fixing hole 551, top platform 56, top are flat Plate 571, special-shaped side plate 572, convex platform 58, a left side in plate 561, top-side panel 562, vertical fixing hole 563, special-shaped base 57, abnormal shape Window 581, right window 582, oblique closed plate 59, window type lightening hole 591, height valve assembly 6, vent line 7, hydraulic lock 8, top Matrix 9, upper plate 91, epipleural 92, front groove 93, back side lightening grooves 94, fixing hole 95 on mud guard.
Embodiment
The utility model is described in further detail below in conjunction with brief description of the drawings and embodiment.
Referring to Fig. 1 to Fig. 8, a kind of car suspension lower carriage assembly, including mirror image lower carriage 50 and lower carriage 5, the mirror As the top of lower carriage 50 is connected through vertical shock absorber 1, lateral damper 2 with the left end of suspension beam 4, the lower carriage 5 Top is connected through vertical shock absorber 1, lateral damper 2 with the right-hand member of suspension beam 4;
The lower carriage 5 includes frame upper 52, the support bottom 51 being vertically connected with, and support bottom 51 is symmetrical knot Structure, axis of the frame upper 52 along support bottom 51 are in left-right asymmetry structure;The mirror image lower carriage 50 is with lower carriage 5 Mirror image, it is consistent with the structure of support bottom 51 to correspond to the position of support bottom 51 on mirror image lower carriage 50, under mirror image Position and the frame upper 52 that frame upper 52 is corresponded on support 50 are right in left and right by line of symmetry of the axis of support bottom 51 Claim;
The top of the support bottom 51 is connected with the bottom of frame upper 52, and the top of frame upper 52 is included vertically Connecting portion 53 and lateral connection portion 54, vertical connecting portion 53 are connected with the bottom of suspension beam 4 through vertical shock absorber 1, laterally connected Socket part 54 is connected through reverse V-shaped crossbeam 3 with the bottom of lateral damper 2, the top of lateral damper 2 and the bottom of suspension beam 4 It is connected.
The support bottom 51 is symmetrical waist type structure, and the top margin of support bottom 51, base are horizontal sides, branch The left and right side of frame bottom 51 is arc-shaped side.
The support bottom 51 includes lower raft 511, angle end fixing hole 512 and middle through hole 513, the lower raft 511 four angles are each provided with angle end fixing hole 512, and the center position of lower raft 511 is provided with a middle through hole 513。
On the lower raft 511 positioned at the top of middle through hole 513, the position of lower section offer respectively lightening hole 514, under Lightening hole 515, the top margin of the nearly lower raft 511 in top of the upper lightening hole 514 are set, and the bottom of upper lightening hole 514 is higher than Middle through hole 513 is set, and the top of the lower lightening hole 515 is set less than middle through hole 513, the nearly bottom in bottom of lower lightening hole 515 The base of bottom plate 511 is set.
It is each provided with the lower raft 511 positioned at the position of the lower left and right sides of lightening hole 515 under a mud guard admittedly Determine hole 516, the mud guard lower fixed hole 516 is with two angles end fixing hole 512 positioned at its homonymy upper and lower altogether positioned at same On the side of individual support bottom 51.
Between the mud guard lower fixed hole 516 and angle end fixing hole 512, two mud guard lower fixed holes of the top Between 516 and middle through hole 513, between two mud guard lower fixed holes 516 of bottom, reinforcement 517 is both provided with.
The frame upper 52 includes upper base 9 and the vertical connecting portion 53 being connected with its top, lateral connection portion 54;The lateral connection portion 54 includes symmetrically arranged a pair horizontal side plates 55, and the top of the horizontal side plate 55 is provided with and V The horizontal fixing hole 551 that type crossbeam 3 is connected;
The vertical connecting portion 53 include be hollow structure top platform 56, special-shaped base 57, the top platform 56 include top plate 561 and the top-side panel 562 that is connected with its both sides, special-shaped base 57 include it is special-shaped in plate 571 and with its two The special-shaped side plate 572 that side is connected, the middle part of the top plate 561 offer the vertical fixation being connected with vertical shock absorber 1 Hole 563, the bottom of top-side panel 562 are connected with the top of special-shaped side plate 572, bottom and the upper base 9 of special-shaped side plate 572 Top is connected, and the middle part of adjacent special-shaped side plate 572 is connected with being sandwiched in the both sides of plate 571 in abnormal shape therebetween, special-shaped side Nearly special-shaped side plate 572, the position of the junction of top-side panel 562 set what is extended outside oriented lateral connection portion 54 on the side of plate 572 Convex platform 58, convex platform 58 are hollow structure, and convex platform 58 is through oblique closed plate 59 and special-shaped side plate 572, top plate 561, top side Plate 562 is connected simultaneously, and tiltedly the bottom of closed plate 59, convex platform 58 with horizontal side plate 55 is connected.
The lateral connection portion 54 also includes horizontal flat board 541 and vertical and horizontal plate 542, and the both sides of the horizontal flat board 541 are respectively with one The middle part of individual horizontal side plate 55 is connected, and the bottom of horizontal flat board 541 is connected through plate in abnormal shape 571 with the top of vertical and horizontal plate 542, The bottom of vertical and horizontal plate 542 is connected with the top of upper base 9, and the cavity in convex platform 58 is divided into a left side by vertical and horizontal plate 542 Window 581, right window 582.
The upper base 9 includes upper plate 91 and a pair of the epipleurals 92 being connected with its both sides, the top of epipleural 92 The bottom of the corresponding special-shaped side plate 572 in portion is connected, and the top of upper plate 91 is connected with the bottom of vertical and horizontal plate 542;
The upper plate 91 is rendered as Wave-shaped structural from the bottom to top, and the front of upper plate 91 is enclosed altogether with two epipleurals 92 The front groove 93 communicated into one with left window 581, right window 582, the back side of upper plate 91 are common with two epipleurals 92 Surround the back side lightening grooves 94 of an indent.
The position of nearly support bottom 51 is provided with fixing hole 95 on two mud guards on the bottom of the upper plate 91, two Fixing hole 95 is located between two angles end fixing hole 512 of the top on mud guard;Nearly oblique closed plate on the special-shaped side plate 572 59 position opens up fenestrate type lightening hole 591.
Principle of the present utility model is described as follows:
Lower carriage is dissymmetrical structure:Referring to Fig. 5, Fig. 6 and Fig. 8, the mirror image lower carriage 50 in figure is the mirror image of lower carriage 5 Structure, mirror image lower carriage 50, lower carriage 5 are using the axis of support bottom 51 as the symmetrical setting of line of symmetry --- under mirror image The structure of support 50, the latter half of lower carriage 5 i.e. on support bottom 51 is consistent, mirror image lower carriage 50, the upper half of lower carriage 5 Structure of the part i.e. on frame upper 52 is then using the axis of support bottom 51 as the symmetrical setting of line of symmetry.
It is single that it includes the support bottom 51 being connected with each other and frame upper 52 for lower carriage 5, wherein, with support The axis in portion 51 is line of symmetry, and frame upper 52 is dissymmetrical structure, is exactly to be propped up in the case where keeping mirror image the advantages of this structure In the case that support bottom 51 on frame 50, lower carriage 5 and vehicle frame fixed position are constant, change left and right mirror image lower carriage 50, under Support 5, the locus of shock absorber mounting hole thereon will change, cause the suspension beam that is connected with shock absorber and its The position of upper hydraulic lock can also ensue change, so as to reach adjustment and the purpose of cab body interface, increase adjustability, Expand application.
Referring to Fig. 2, Fig. 4 and Fig. 7, the bottom of vertical and horizontal plate 542 includes short clamping plate 543, long clamping plate 544 and positioned between the two Clamping plate breach 545, the clamping plate breach 545 is connected with the top of embedding upper plate 91 in the inner.
Fixing hole 95, mud guard lower fixed hole 516, middle through hole 513 are all the fixation as fixed mud guard on mud guard Hole, and belong to internal thread through hole.
Embodiment 1:
Referring to Fig. 1 to Fig. 8, a kind of car suspension lower carriage assembly, including mirror image lower carriage 50 and lower carriage 5, the mirror As the top of lower carriage 50 is connected through vertical shock absorber 1, lateral damper 2 with the left end of suspension beam 4, the lower carriage 5 Top is connected through vertical shock absorber 1, lateral damper 2 with the right-hand member of suspension beam 4;The lower carriage 5 includes what is be vertically connected with Frame upper 52, support bottom 51, support bottom 51 are bilateral symmetry, axis of the frame upper 52 along support bottom 51 In left-right asymmetry structure;The mirror image lower carriage 50 is mirror image with lower carriage 5, and branch is corresponded on mirror image lower carriage 50 The position of frame bottom 51 is consistent with the structure of support bottom 51, and position and the support of frame upper 52 are corresponded on mirror image lower carriage 50 Top 52 is symmetrical as line of symmetry using the axis of support bottom 51;The top of the support bottom 51 and frame upper 52 Bottom be connected, the top of frame upper 52 includes vertical connecting portion 53 and lateral connection portion 54, and vertical connecting portion 53 is through perpendicular It is connected to shock absorber 1 with the bottom of suspension beam 4, bottom phase of the lateral connection portion 54 through reverse V-shaped crossbeam 3 with lateral damper 2 Connection, the top of lateral damper 2 is connected with the bottom of suspension beam 4;The support bottom 51 is bilateral symmetry, and is propped up Axis of the frame top 52 along support bottom 51 is in left-right asymmetry structure.It is preferred that support bottom 51 is symmetrical waist type knot Structure, the top margin of support bottom 51, base are horizontal sides, and the left and right side of support bottom 51 is arc-shaped side.
Embodiment 2:
With embodiment 1, difference is substance:
The support bottom 51 includes lower raft 511, angle end fixing hole 512 and middle through hole 513, the lower raft 511 four angles are each provided with angle end fixing hole 512, and the center position of lower raft 511 is provided with a middle through hole 513.Lightening hole 514, lower loss of weight are offered respectively positioned at the middle top of through hole 513, the position of lower section on the lower raft 511 Hole 515, the top margin of the nearly lower raft 511 in top of the upper lightening hole 514 are set, and the bottom of upper lightening hole 514 leads in being higher than Hole 513 is set, and the top of the lower lightening hole 515 is set less than middle through hole 513, the nearly lower raft in bottom of lower lightening hole 515 511 base is set.On the lower raft 511 a gear mud is each provided with positioned at the position of the lower left and right sides of lightening hole 515 Plate lower fixed hole 516, the mud guard lower fixed hole 516 and the common position of two angles end fixing hole 512 positioned at its homonymy upper and lower In on the side of same support bottom 51.Between the mud guard lower fixed hole 516 and angle end fixing hole 512, the top Between two mud guard lower fixed holes 516 and middle through hole 513, between two mud guard lower fixed holes 516 of bottom, all set There is reinforcement 517.
Embodiment 3:
With embodiment 1, difference is substance:
The frame upper 52 includes upper base 9 and the vertical connecting portion 53 being connected with its top, lateral connection portion 54;The lateral connection portion 54 includes symmetrically arranged a pair horizontal side plates 55, and the top of the horizontal side plate 55 is provided with and V The horizontal fixing hole 551 that type crossbeam 3 is connected;The vertical connecting portion 53 include be hollow structure top platform 56, different Type base 57, the top platform 56 includes top plate 561 and the top-side panel 562 being connected with its both sides, special-shaped base 57 wrap Plate 571 and the special-shaped side plate 572 being connected with its both sides, the middle part of the top plate 561 in abnormal shape is included to offer with vertically subtracting The vertical fixing hole 563 that the device 1 that shakes is connected, the bottom of top-side panel 562 are connected with the top of special-shaped side plate 572, special-shaped side plate 572 bottom is connected with the top of upper base 9, and the middle part of adjacent special-shaped side plate 572 is with being sandwiched in plate in abnormal shape therebetween 571 both sides are connected, and nearly special-shaped side plate 572, the position of the junction of top-side panel 562 are provided with the side of special-shaped side plate 572 The convex platform 58 extended to outside lateral connection portion 54, convex platform 58 are hollow structure, and convex platform 58 is through oblique closed plate 59 and abnormal shape Side plate 572, top plate 561, top-side panel 562 are connected simultaneously, and the tiltedly bottom of closed plate 59, convex platform 58 with horizontal side plate 55 Portion is connected.
Embodiment 4:
With embodiment 3, difference is substance:
The lateral connection portion 54 also includes horizontal flat board 541 and vertical and horizontal plate 542, and the both sides of the horizontal flat board 541 are respectively with one The middle part of individual horizontal side plate 55 is connected, and the bottom of horizontal flat board 541 is connected through plate in abnormal shape 571 with the top of vertical and horizontal plate 542, The bottom of vertical and horizontal plate 542 is connected with the top of upper base 9, and the cavity in convex platform 58 is divided into a left side by vertical and horizontal plate 542 Window 581, right window 582.
Embodiment 5:
With embodiment 4, difference is substance:
The upper base 9 includes upper plate 91 and a pair of the epipleurals 92 being connected with its both sides, the top of epipleural 92 The bottom of the corresponding special-shaped side plate 572 in portion is connected, and the top of upper plate 91 is connected with the bottom of vertical and horizontal plate 542;Institute State upper plate 91 and be rendered as Wave-shaped structural from the bottom to top, front and two epipleurals 92 of upper plate 91 surround one and a left side altogether The front groove 93 that window 581, right window 582 communicate, the back side of upper plate 91 surround in one altogether with two epipleurals 92 Recessed back side lightening grooves 94.
It is preferred that the position of nearly support bottom 51 is provided with fixing hole 95 on two mud guards on the bottom of upper plate 91, two Fixing hole 95 is located between two angles end fixing hole 512 of the top on mud guard;Nearly oblique closed plate on the special-shaped side plate 572 59 position opens up fenestrate type lightening hole 591.

Claims (10)

1. lower carriage assembly, including mirror image lower carriage are used in a kind of car suspension(50)With lower carriage(5), the mirror image lower carriage(50) Top through vertical shock absorber(1), lateral damper(2)With suspension beam(4)Left end be connected, the lower carriage(5)Top End is through vertical shock absorber(1), lateral damper(2)With suspension beam(4)Right-hand member be connected, it is characterised in that:
The lower carriage(5)Including the frame upper being vertically connected with(52), support bottom(51), support bottom(51)It is right for left and right Claim structure, frame upper(52)Along support bottom(51)Axis be in left-right asymmetry structure;The mirror image lower carriage(50) With lower carriage(5)For mirror image, mirror image lower carriage(50)Upper corresponding support bottom(51)Position and support bottom (51)Structure it is consistent, mirror image lower carriage(50)Upper corresponding frame upper(52)Position and frame upper(52)With support bottom (51)Axis for line of symmetry it is symmetrical;
The support bottom(51)Top and frame upper(52)Bottom be connected, frame upper(52)Top include it is perpendicular To connecting portion(53)With lateral connection portion(54), vertical connecting portion(53)Through vertical shock absorber(1)With suspension beam(4)Bottom phase Connection, lateral connection portion(54)Through reverse V-shaped crossbeam(3)With lateral damper(2)Bottom be connected, lateral damper(2)'s Top and suspension beam(4)Bottom be connected.
2. lower carriage assembly is used in a kind of car suspension according to claim 1, it is characterised in that:The support bottom(51)For Symmetrical waist type structure, support bottom(51)Top margin, base be horizontal sides, support bottom(51)Left and right side it is equal For arc-shaped side.
3. lower carriage assembly is used in a kind of car suspension according to claim 1 or 2, it is characterised in that:The support bottom (51)Including lower raft(511), angle end fixing hole(512)With middle through hole(513), the lower raft(511)Four angles It is each provided with angle end fixing hole(512), lower raft(511)Center position be provided with a middle through hole(513).
4. lower carriage assembly is used in a kind of car suspension according to claim 3, it is characterised in that:The lower raft(511) It is upper to be located at middle through hole(513)Top, the position of lower section offer lightening hole respectively(514), lower lightening hole(515), it is described on Lightening hole(514)The nearly lower raft in top(511)Top margin set, upper lightening hole(514)Bottom be higher than middle through hole(513) Set, the lower lightening hole(515)Top be less than middle through hole(513)Set, lower lightening hole(515)The nearly lower raft in bottom (511)Base set.
5. lower carriage assembly is used in a kind of car suspension according to claim 4, it is characterised in that:The lower raft(511) It is upper to be located at lower lightening hole(515)The position of the left and right sides is each provided with a mud guard lower fixed hole(516), under the mud guard Fixing hole(516)With two angles end fixing hole positioned at its homonymy upper and lower(512)It is located at same support bottom altogether(51)'s On side.
6. lower carriage assembly is used in a kind of car suspension according to claim 5, it is characterised in that:The mud guard lower fixed hole (516)With angle end fixing hole(512)Between, two mud guard lower fixed holes of the top(516)With middle through hole(513)Between, Two mud guard lower fixed holes of bottom(516)Between, it is both provided with reinforcement(517).
7. lower carriage assembly is used in a kind of car suspension according to claim 3, it is characterised in that:The frame upper(52)Bag Include upper base(9)And the vertical connecting portion being connected with its top(53), lateral connection portion(54);The lateral connection portion (54)Including symmetrically arranged a pair horizontal side plates(55), the horizontal side plate(55)Top be provided with and reverse V-shaped crossbeam(3)Phase The horizontal fixing hole of connection(551);
The vertical connecting portion(53)Top platform including being hollow structure(56), special-shaped base(57), the top horizontal Platform(56)Including top plate(561)And the top-side panel being connected with its both sides(562), special-shaped base(57)Including plate in abnormal shape (571)And the special-shaped side plate being connected with its both sides(572), the top plate(561)Middle part offer and vertical shock absorber (1)The vertical fixing hole being connected(563), top-side panel(562)Bottom and special-shaped side plate(572)Top be connected, it is special-shaped Side plate(572)Bottom and upper base(9)Top be connected, adjacent special-shaped side plate(572)Middle part and be sandwiched in therebetween Abnormal shape in plate(571)Both sides be connected, special-shaped side plate(572)Side on nearly special-shaped side plate(572), top-side panel(562) The position of junction sets oriented lateral connection portion(54)The convex platform of outer extension(58), convex platform(58)For hollow structure, on Boss(58)Through oblique closed plate(59)With special-shaped side plate(572), top plate(561), top-side panel(562)It is connected simultaneously, and tiltedly Closed plate(59), convex platform(58)With horizontal side plate(55)Bottom be connected.
8. lower carriage assembly is used in a kind of car suspension according to claim 7, it is characterised in that:The lateral connection portion(54) Also include horizontal flat board(541)With vertical and horizontal plate(542), the horizontal flat board(541)Both sides respectively with a horizontal side plate(55)In Portion is connected, horizontal flat board(541)Bottom through plate in abnormal shape(571)With vertical and horizontal plate(542)Top be connected, vertical and horizontal plate (542)Bottom and upper base(9)Top be connected, and vertical and horizontal plate(542)By convex platform(58)Interior cavity is divided into Left window(581), right window(582).
9. lower carriage assembly is used in a kind of car suspension according to claim 8, it is characterised in that:
The upper base(9)Including upper plate(91)And a pair of epipleurals being connected with its both sides(92), epipleural(92) The corresponding special-shaped side plate in top(572)Bottom be connected, upper plate(91)Top and vertical and horizontal plate(542)Bottom It is connected;
The upper plate(91)Wave-shaped structural, upper plate are rendered as from the bottom to top(91)Front with two epipleurals(92)Altogether Surround one and left window(581), right window(582)The front groove communicated(93), upper plate(91)The back side with two Epipleural(92)The back side lightening grooves of an indent are surrounded altogether(94).
10. lower carriage assembly is used in a kind of car suspension according to claim 9, it is characterised in that:The upper plate(91)'s Nearly support bottom on bottom(51)Position be provided with fixing hole on two mud guards(95), fixing hole on two mud guards(95) Two angles end fixing hole positioned at the top(512)Between;The special-shaped side plate(572)Upper nearly oblique closed plate(59)Position open Provided with window type lightening hole(591).
CN201721095379.4U 2017-08-30 2017-08-30 Lower carriage assembly is used in a kind of car suspension Active CN207106662U (en)

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CN201721095379.4U CN207106662U (en) 2017-08-30 2017-08-30 Lower carriage assembly is used in a kind of car suspension

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Application Number Priority Date Filing Date Title
CN201721095379.4U CN207106662U (en) 2017-08-30 2017-08-30 Lower carriage assembly is used in a kind of car suspension

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110104076A (en) * 2019-04-23 2019-08-09 东风商用车有限公司 A kind of steering room back suspension structure

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110104076A (en) * 2019-04-23 2019-08-09 东风商用车有限公司 A kind of steering room back suspension structure
CN110104076B (en) * 2019-04-23 2024-01-05 东风商用车有限公司 Cab rear suspension structure

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