CN209381727U - A kind of draft hitch and automobile chassis - Google Patents
A kind of draft hitch and automobile chassis Download PDFInfo
- Publication number
- CN209381727U CN209381727U CN201920060883.3U CN201920060883U CN209381727U CN 209381727 U CN209381727 U CN 209381727U CN 201920060883 U CN201920060883 U CN 201920060883U CN 209381727 U CN209381727 U CN 209381727U
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- damper
- connecting lugs
- vehicle bridge
- connection frame
- draft hitch
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Abstract
The utility model provides a kind of draft hitch and automobile chassis, it is related to automobile technical field, the draft hitch includes vehicle bridge, first connection frame, first damper and the second damper, the both ends of vehicle bridge are for being connected to wheel, first connection frame is fixed in vehicle bridge, and first is provided with symmetrical the first connecting lugs and the second connecting lugs on connection frame, first damper is arranged in the first connecting lugs simultaneously, second damper is arranged in the second connecting lugs and can be in the second connecting lugs, first damper and the second damper arrive at a distance from it is identical as the length of vehicle bridge, so that the center of damper away from wheel center away from identical, it realizes adjustment vehicle roll stiffness and improves the purpose of comfort.Compared to the prior art, a kind of draft hitch provided by the utility model, structure is simple, number of parts is few, at low cost, the center of damper away from wheel center away from identical, to reach higher comfort, while roll stiffness is high.
Description
Technical field
The utility model relates to automobile technical fields, in particular to a kind of draft hitch and automobile chassis.
Background technique
Suspension system be automobile it is important be related to safe system, under the premise that security is guaranteed, as far as possible raising suspension
The comfort of system and reduce cost.Suspension system mainly has independent suspension and two kinds of rigid axle suspension, for rigid axle suspension,
Existing is mostly using torsion beam suspension.
Existing torsion beam suspension is mainly made of damper, torsion beam assembly, and one end of damper is hinged on torsion beam
On the bracket of assembly, the other end is hinged on vehicle body, and vertical load is all supported by damper.In actual use, torsion beam
Assembly bears whole level and lateral load, causes the lateral rigidity of suspension system low, simultaneously because existing torsion beam
The damper of suspension is all disposed on the inside of wheel, causes the roll stiffness of suspension system low, to improve roll stiffness, will lead to
The size and rigidity of vibration damper complement increase, this, which will lead to, is difficult to arrange, if improving damper stiffness, can reduce ride comfort
Property.
Existing torsion beam suspension has the disadvantages that since damper is arranged on the inside of wheel, it is difficult to which balance, which is taken, relaxes
The contradiction of adaptive and roll stiffness: if improving roll stiffness, the effectiveness in vibration suppression of suspension system can be reduced, reduces ride comfort
Property；If improving comfort, roll stiffness can be reduced.Existing torsion beam complex manufacturing technology simultaneously, it is at high cost, and torsion beam
The intensity requirement of assembly is high, and the probability of fracture failure is high, and lateral rigidity is low.
In view of this, designing and manufacturing, a kind of structure is simple, number of parts is few, at low cost, and the center of damper is away from can
It adjusts, to reach higher comfort, while the high draft hitch of roll stiffness is just particularly important.
Utility model content
The purpose of this utility model is to provide a kind of draft hitch, structure is simple, number of parts is few, at low cost, subtracts
Shake device center away from identical as wheel tracks, to reach higher comfort, while roll stiffness is high.
The another object of the utility model is to provide a kind of automobile chassis, and structure is simple, number of parts is few, cost
Low, the center of damper is away from identical as wheel tracks, to reach higher comfort, while roll stiffness is high.
The utility model is that it is realized by adopting the following technical scheme.
It uses at the both ends of a kind of draft hitch, including vehicle bridge, the first connection frame, the first damper and the second damper, vehicle bridge
In being connected on wheel, the first connection frame is fixed in vehicle bridge, and is provided with symmetrical first on the first connection frame and is connected
Trunnion and the second connecting lugs are connect, the first connecting lugs and the second connecting lugs are stretched out towards the both ends of vehicle bridge extending direction respectively
First connection frame, the first damper are arranged in the first connecting lugs, and the second damper is arranged in the second connecting lugs, and the
The distance between one damper and the second damper are identical as the length of vehicle bridge, so that between the first damper and the second damper
Distance it is identical as the wheelspan of wheel.
Further, the first mounting groove is offered in the first connecting lugs, the extending direction of the first mounting groove and first connect
The extending direction for connecing trunnion is identical, and the first damper is removably disposed in the first mounting groove.
Further, the second mounting groove is offered in the second connecting lugs, the extending direction of the second mounting groove and second connect
The extending direction for connecing trunnion is identical, and the second damper is removably disposed in the second mounting groove.
Further, the first mounting groove and the second mounting groove are U-shaped, the first mounting groove far from the second connecting lugs one
End has the first opening, and the second mounting groove has the second opening far from one end of the first connecting lugs.
Further, the first connection frame includes the first bending arm and the second bending arm, one end of the first bending arm and vehicle bridge
It is fixedly connected, one end of the second bending arm is fixedly connected with vehicle bridge, the one end of the first bending arm far from vehicle bridge and the second bending arm
One end far from vehicle bridge is fixedly connected with and is formed apex angle interconnecting piece, and the first connecting lugs are fixed on the first bending arm, the
Two connecting lugs are fixed on the second bending arm.
Further, the first rubber bushing is provided on apex angle interconnecting piece.
Further, draft hitch further includes transmission bracket and the second connection frame, and transmission bracket is fixed at vehicle bridge
Middle part, the second connection frame connect with transmission bracket and stretch out away from the side of the first connection frame.
Further, the second connection frame includes the first transmission arm and the second transmission arm, and the first transmission arm is driven with second
Arm is arranged in angle, and one end of the first transmission arm and one end of the second transmission arm are hinged with transmission bracket.
Further, the first transmission arm is hinged with the first distance rod far from one end of transmission bracket, and the second transmission arm is separate
One end of transmission bracket is hinged with the second distance rod.
A kind of automobile chassis, including car body, wheel and draft hitch, draft hitch include vehicle bridge, the first connection frame, first
Damper and the second damper, the first connection frame are fixed in vehicle bridge, and opposite first is provided on the first connection frame
Connecting lugs and the second connecting lugs, the first connecting lugs and the second connecting lugs are stretched towards the both ends of vehicle bridge extending direction respectively
First connection frame out, the first damper are arranged in the first connecting lugs and can be along the extending direction tune of the first connecting lugs
Section, the second damper are movably arranged in the second connecting lugs and can adjust along the extending direction of the second connecting lugs.First
Connection frame is connect with car body, and vehicle bridge is connect with wheel.
The utility model has the following beneficial effects:
Vehicle bridge connect with wheel, the first connection frame is fixed at by a kind of draft hitch provided by the utility model
In vehicle bridge, while the first damper being arranged in the first connecting lugs, the second damper is arranged in the second connecting lugs,
Center due to damper is away from away from identical, ensure that with wheel center and obtain good comfort under the low damper stiffness of vehicle
The roll stiffness of vehicle is not reduced simultaneously.Compared to the prior art, a kind of draft hitch provided by the utility model, structure letter
It is single, number of parts is few, at low cost, the center of damper away from wheel center away from identical, to reach higher comfort, simultaneously
Roll stiffness is high.
Detailed description of the invention
It, below will be to use required in embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment
Attached drawing be briefly described, it should be understood that the following drawings illustrates only some embodiments of the utility model, therefore should not be by
Regard the restriction to range as, for those of ordinary skill in the art, without creative efforts, may be used also
To obtain other relevant attached drawings according to these attached drawings.
Fig. 1 is the structural schematic diagram at the first visual angle of draft hitch that the utility model first embodiment provides；
Fig. 2 is the structural schematic diagram at the second visual angle of draft hitch that the utility model first embodiment provides；
Fig. 3 is the structural schematic diagram at the draft hitch third visual angle that the utility model first embodiment provides；
Fig. 4 is the structural schematic diagram of the first connection frame in Fig. 1；
Fig. 5 is the attachment structure schematic diagram of the second connection frame in Fig. 1.
Icon: 100- draft hitch；110- vehicle bridge；The first connection frame of 130-；131- the first bending arm；The second bending of 133-
Arm；The first rubber bushing of 135-；The first connecting lugs of 140-；The first damper of 150-；The second connecting lugs of 160-；170- second
Damper；180- transmission bracket；The second connection frame of 190-；The first transmission arm of 191-；The second transmission arm of 193-；The first thrust of 195-
Bar；The second distance rod of 197-.
Specific embodiment
It is practical new below in conjunction with this to keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer
Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched
The embodiment stated is the utility model a part of the embodiment, instead of all the embodiments.Usually here in attached drawing description and
The component of the utility model embodiment shown can be arranged and be designed with a variety of different configurations.
Therefore, requirement is not intended to limit to the detailed description of the embodiments of the present invention provided in the accompanying drawings below
The scope of the utility model of protection, but it is merely representative of the selected embodiment of the utility model.Based in the utility model
Embodiment, every other embodiment obtained by those of ordinary skill in the art without making creative efforts, all
Belong to the range of the utility model protection.
It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, does not then need that it is further defined and explained in subsequent attached drawing.
In the description of the present invention, it should be noted that term " center ", "upper", "vertical", "horizontal", "inner",
The orientation or positional relationship of the instructions such as "outside" is to be based on the orientation or positional relationship shown in the drawings or the utility model product
The orientation or positional relationship usually put when use, is merely for convenience of describing the present invention and simplifying the description, without referring to
Show or imply that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore cannot manage
Solution is limitations of the present invention.In addition, term " first ", " second " etc. are only used for distinguishing description, and should not be understood as referring to
Show or imply relative importance.
In the description of the present invention, it should also be noted that, unless otherwise clearly defined and limited, term " is set
Set ", " connected ", " installation ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection,
Or it is integrally connected；It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, intermediary can also be passed through
It is indirectly connected, can be the connection inside two elements.For the ordinary skill in the art, it can be managed with concrete condition
Solve the concrete meaning of above-mentioned term in the present invention.
With reference to the accompanying drawing, it elaborates to some embodiments of the utility model.In the absence of conflict, under
The feature in embodiment stated can be combined with each other.
First embodiment
In conjunction with referring to Fig. 1 to Fig. 3, a kind of draft hitch 100, including vehicle bridge 110, the first connection frame are present embodiments provided
130, the first damper 150, the second damper 170, transmission bracket 180 and the second connection frame 190, the both ends of vehicle bridge 110 are used for
It is connected on wheel, the first connection frame 130 is fixed in vehicle bridge 110, and opposite is provided on the first connection frame 130
One connecting lugs 140 and the second connecting lugs 160, the first connecting lugs 140 and the second connecting lugs 160 are respectively towards vehicle bridge
The first connection frame 130 is stretched out at the both ends of 110 extending directions, and the first damper 150 is arranged in the first connecting lugs 140, and second
Damper 170 be arranged in the second connecting lugs 160, and the center of the first damper 150 and the second damper 170 away from vehicle bridge
110 length is identical so that the center of damper away from the center of wheel away from identical.Transmission bracket 180 is fixed at vehicle bridge
110 middle part, the second connection frame 190 connect with transmission bracket 180 and stretch out away from the side of the first connection frame 130.
In the present embodiment, transmission bracket 180 is inclined at the middle part of vehicle bridge 110 and horizontal by certain angle,
Angle between transmission bracket 180 and horizontal plane is between 0-90 degree, specifically, the folder between transmission bracket 180 and horizontal plane
Angle is 60 degree.Mounting hole is offered in transmission bracket 180, the second connection frame 190 is mounted in mounting hole.
It should be noted that the center of the first damper 150 and the second damper 170 is away from can also be according to practical feelings herein
Condition appropriate adjustment, can close to the center of wheel away from.
In the present embodiment, the first connecting lugs 140 and the second connecting lugs 160 extend in opposite directions respectively, and prolong
Stretch that direction is parallel with the extending direction of vehicle bridge 110, by adjusting of first damper 150 in the first connecting lugs 140 with
And second adjusting of the damper 170 in the second connecting lugs 160, the first damper 150 and the second damper 170 can be adjusted
Center away from.Specifically, the center of the first damper 150 and the second damper 170 is special away from can be adjusted according to actual needs
, not adjustable that away from equal, it is good to ensure that vehicle obtains under low damper stiffness in this way to wheel center
Comfort does not reduce the roll stiffness of vehicle simultaneously.
In the present embodiment, offer the first mounting groove in the first connecting lugs 140, the extending direction of the first mounting groove with
The extending direction of first connecting lugs 140 is identical, and the first damper 150 is removably disposed in the first mounting groove.Specifically,
The bottom of first damper 150 is provided with the first connection bolt, is consolidated the bottom of the first damper 150 by the first connection bolt
It is scheduled in the first mounting groove.
In the present embodiment, offer the second mounting groove in the second connecting lugs 160, the extending direction of the second mounting groove with
The extending direction of second connecting lugs 160 is identical, and the second damper 170 is removably disposed in the second mounting groove.Specifically,
The bottom of second damper 170 is provided with the second connection bolt, is consolidated the bottom of the second damper 170 by the second connection bolt
It is scheduled in the second mounting groove.
In the present embodiment, the first mounting groove and the second mounting groove are U-shaped, and the first mounting groove is far from the second connecting lugs
160 one end has the first opening, and the second mounting groove has the second opening far from one end of the first connecting lugs 140.
In other preferred embodiments of the utility model, the first mounting groove and the second mounting groove are in bar shaped closed,
Opening is not opened up on first mounting groove and the second mounting groove.
Referring to fig. 4, the first connection frame 130 includes the first bending arm 131 and the second bending arm 133, the first bending arm 131
One end is fixedly connected with vehicle bridge 110, and one end of the second bending arm 133 is fixedly connected with vehicle bridge 110, and the first bending arm 131 is separate
One end of vehicle bridge 110 is fixedly connected with far from one end of vehicle bridge 110 with the second bending arm 133 and is formed apex angle interconnecting piece, and first connects
It connects trunnion 140 to be fixed on the first bending arm 131, the second connecting lugs 160 are fixed on the second bending arm 133.
In the present embodiment, in bending-like and an A font is collectively formed in the first bending arm 131 and the second bending arm 133
Structure, the first connecting lugs 140 are arranged in the outside of the bending part of the first bending arm 131, and the setting of the second connecting lugs 160 is the
The outside of the bending part of eighty percent discount curved boom 133, the first connecting lugs 140 and the second connecting lugs 160 are disposed opposite to each other and to opposite
Direction extends.
In the present embodiment, the first rubber bushing 135 is provided on apex angle interconnecting piece.Specifically, apex angle interconnecting piece has
One circular ring structure, the circular ring structure are made of inner and outer tubes, and sleeve joint hole is offered in inner tube, is provided with first between inner and outer pipes
Apex angle interconnecting piece can be hinged on vehicle body or vehicle frame by rubber bushing 135 by the first rubber bushing 135.
In the present embodiment, the first bending arm 131 and the second bending arm 133 are welded in vehicle bridge 110, and the first bending
Arm 131 and the second bending arm 133 are in same plane.
Referring to Fig. 5, the second connection frame 190 includes the first transmission arm 191 and the second transmission arm 193, the first transmission arm 191
With the second transmission arm 193 in angle be arranged, and one end of the first transmission arm 191 and one end of the second transmission arm 193 with transmission
Bracket 180 is hinged.Specifically, the first transmission arm 191 and the second transmission arm 193 are in inverted V-shape structure, the apex angle of V-shape structure
End is hinged in transmission bracket 180.
In the present embodiment, the first transmission arm 191 is hinged with the first distance rod 195 far from one end of transmission bracket 180, the
Two transmission arms 193 are hinged with the second distance rod 197 far from one end of transmission bracket 180.Specifically, the first transmission arm 191 is separate
One end of transmission bracket 180 and the second transmission arm 193 also have hinge hole far from one end of transmission bracket 180, set in hinge hole
It is equipped with the second rubber bushing, hinged with the first distance rod 195 and the second distance rod 197 respectively by pin shaft, first pushes away
Power bar 195 one end and the second distance rod 197 far from vehicle bridge 110 are hinged on vehicle body or vehicle frame far from one end of vehicle bridge 110.
In conclusion present embodiments providing a kind of draft hitch 100, the first connection frame 130 is welded on vehicle bridge 110
On, the first connecting lugs 140 and the second connecting lugs 160 are arranged symmetrically in the two sides of the first connection frame 130, the first damper
150 are arranged in the first connecting lugs 140, and 170 ground of the second damper is arranged in the second connecting lugs 160, transmission bracket 180
It is welded on the middle part of vehicle bridge 110, the second connection frame 190 is connect with transmission bracket 180, while the first distance rod 195 and second pushes away
Power bar 197 is connect with the first transmission arm 191 of the second connection frame 190 and the second transmission arm 193 respectively.In actual moving process
In, vertical load is all supported by the first damper 150 and the second damper 170, and the load of horizontal direction is all connected by first
The receiving of frame 130 is connect, lateral force has the first connection frame 130 and the second connection frame 190 to bear jointly, ensure that the straight-line travelling of wheel
Make suspension system that there is high lateral rigidity simultaneously, the variation of wheelbase can be caused when wherein suspension is beated, which has inclination
The transmission bracket 180 of welding, the second connection frame 190, the first distance rod 195 and the second distance rod 197 are adjusted and compensate, and protect
Demonstrate,prove the kinematic coordination of draft hitch 100.The center of the first damper 150 and the second damper 170 is away from can be according to need simultaneously
It is adjusted, i.e. damper center is away from can accomplish with wheel center away from equal, it ensure that vehicle is rigid in low damper
The lower roll stiffness for obtaining good comfort while not reducing vehicle of degree.
Second embodiment
Present embodiments provide a kind of automobile chassis, including car body, wheel and draft hitch 100, the base of draft hitch 100
This structure is identical with first embodiment with principle and the technical effect of generation, and to briefly describe, the present embodiment part does not refer to it
Place, can refer to corresponding contents in first embodiment.
Draft hitch 100 includes vehicle bridge 110, the first connection frame 130, the first damper 150 and the second damper 170, the
One connection frame 130 is fixed in vehicle bridge 110, and opposite 140 He of the first connecting lugs is provided on the first connection frame 130
Second connecting lugs 160, the first connecting lugs 140 and the second connecting lugs 160 are respectively towards the both ends of 110 extending direction of vehicle bridge
The first connection frame 130 is stretched out, the first damper 150 is arranged in the first connecting lugs 140, the 170 activity setting of the second damper
In the second connecting lugs 160.First connection frame 130 is connect with car body, and vehicle bridge 110 is connect with wheel.
The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, for this
For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model
Within, any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.
Claims (10)
1. a kind of draft hitch, which is characterized in that described including vehicle bridge, the first connection frame, the first damper and the second damper
For being connected to wheel, first connection frame is fixed in the vehicle bridge at the both ends of vehicle bridge, and first connection
Symmetrical the first connecting lugs and the second connecting lugs, first connecting lugs and the second connection branch are provided on frame
Ear stretches out first connection frame towards the both ends of the vehicle bridge extending direction respectively, and the first damper setting is described the
In one connecting lugs, second damper is arranged in second connecting lugs, and first damper and described the
The distance between two dampers are identical as the length of the vehicle bridge.
2. draft hitch according to claim 1, which is characterized in that offer the first installation in first connecting lugs
Slot, the extending direction of first mounting groove is identical as the extending direction of first connecting lugs, and first damper can
Releasably it is arranged in first mounting groove.
3. draft hitch according to claim 2, which is characterized in that offer the second installation in second connecting lugs
Slot, the extending direction of second mounting groove is identical as the extending direction of second connecting lugs, and second damper can
Releasably it is arranged in second mounting groove.
4. draft hitch according to claim 3, which is characterized in that first mounting groove and second mounting groove are equal
U-shaped, first mounting groove has the first opening far from one end of second connecting lugs, and second mounting groove is separate
One end of first connecting lugs has the second opening.
5. draft hitch according to claim 1, which is characterized in that first connection frame includes the first bending arm and the
One end of eighty percent discount curved boom, the first bending arm is fixedly connected with the vehicle bridge, one end of the second bending arm and the vehicle
Bridge is fixedly connected, the one end of the first bending arm far from the vehicle bridge and the described one end of second bending arm far from the vehicle bridge
It is fixedly connected with and is formed apex angle interconnecting piece, first connecting lugs are fixed on the first bending arm, and described second
Connecting lugs are fixed on the second bending arm.
6. draft hitch according to claim 5, which is characterized in that be provided with the first rubber lining on the apex angle interconnecting piece
Set.
7. draft hitch according to claim 1, which is characterized in that the draft hitch further includes transmission bracket and second
Connection frame, the transmission bracket are fixed at the middle part of the vehicle bridge, and second connection frame is connect with the transmission bracket
And it is stretched out away from the side of first connection frame.
8. draft hitch according to claim 7, which is characterized in that second connection frame includes the first transmission arm and the
Two transmission arms, first transmission arm and described second transmission arm in angle be arranged, and one end of first transmission arm and
One end of second transmission arm is hinged with the transmission bracket.
9. draft hitch according to claim 8, which is characterized in that first transmission arm is far from the transmission bracket
One end is hinged with the first distance rod, and second transmission arm is hinged with the second distance rod far from one end of the transmission bracket.
10. a kind of automobile chassis, which is characterized in that filled including car body, wheel and such as the described in any item suspensions of claim 1-9
It sets, first connection frame is connect with the car body, and the vehicle bridge is connect with the wheel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920060883.3U CN209381727U (en) | 2019-01-15 | 2019-01-15 | A kind of draft hitch and automobile chassis |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920060883.3U CN209381727U (en) | 2019-01-15 | 2019-01-15 | A kind of draft hitch and automobile chassis |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209381727U true CN209381727U (en) | 2019-09-13 |
Family
ID=67853326
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920060883.3U Active CN209381727U (en) | 2019-01-15 | 2019-01-15 | A kind of draft hitch and automobile chassis |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209381727U (en) |
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2019
- 2019-01-15 CN CN201920060883.3U patent/CN209381727U/en active Active
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