CN117869524A - Shock absorber and vehicle - Google Patents

Shock absorber and vehicle Download PDF

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Publication number
CN117869524A
CN117869524A CN202410273242.1A CN202410273242A CN117869524A CN 117869524 A CN117869524 A CN 117869524A CN 202410273242 A CN202410273242 A CN 202410273242A CN 117869524 A CN117869524 A CN 117869524A
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CN
China
Prior art keywords
shock absorber
piece
vibration reduction
engagement member
vibration
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202410273242.1A
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Chinese (zh)
Inventor
张蕾
杨鹏
孙宪猛
何琳
尚红阳
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BYD Co Ltd
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BYD Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by BYD Co Ltd filed Critical BYD Co Ltd
Priority to CN202410273242.1A priority Critical patent/CN117869524A/en
Publication of CN117869524A publication Critical patent/CN117869524A/en
Pending legal-status Critical Current

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Abstract

The invention discloses a shock absorber and a vehicle, wherein the shock absorber comprises: a first vibration damping member and a second vibration damping member; the first elastic part and the second elastic part are positioned between the first vibration reduction piece and the second vibration reduction piece; an engagement assembly including a first engagement member and a second engagement member, the first engagement member being selectively engaged with and disengaged from the second engagement member; one end of the same side of the first elastic part and one end of the same side of the second elastic part are fixedly connected with one of the first vibration reduction piece and the second vibration reduction piece, the other one of the first vibration reduction piece and the second vibration reduction piece is fixedly connected with a first joint piece, the other one of the other ends of the same side of the first elastic part and the second elastic part is fixedly connected with the first joint piece, and the other one of the other ends of the same side of the first elastic part and the second elastic part is fixedly connected with the second joint piece. According to the damper of the present invention, the first engaging member is selectively engaged with and disengaged from the second engaging member, so that the rigidity of the damper is adjustable.

Description

Shock absorber and vehicle
Technical Field
The invention relates to the field of vehicle accessories, in particular to a shock absorber and a vehicle with the shock absorber.
Background
Vehicles are used as vehicles which are most frequently used by people, and the requirements of the vehicles are different in different application scenes, so that the rigidity of the shock absorber of the vehicle is always kept constant in the using process of the vehicle after the shock absorber of the vehicle is designed. In practice, the rigidity requirements of the most comfortable shock absorber for the vehicle are different under different working conditions and different loads, such as bad road conditions or no-load and full-load running conditions.
In the related art, the rigidity of the existing shock absorber cannot be adjusted, so that the rigidity of the shock absorber is kept constant in the using process of the vehicle, and the vehicle is difficult to meet different working conditions.
Disclosure of Invention
The present invention aims to solve at least one of the technical problems existing in the prior art. To this end, an object of the present invention is to propose a damper whose stiffness is adjustable.
The invention further provides a vehicle.
The shock absorber according to the present invention comprises:
the first vibration reduction piece and the second vibration reduction piece are matched and assembled, and the first vibration reduction piece and the second vibration reduction piece are suitable for relative movement along the axial direction of the vibration reducer;
the first elastic part and the second elastic part are positioned between the first vibration reduction piece and the second vibration reduction piece;
an engagement assembly including a first engagement member and a second engagement member, the first engagement member being selectively engaged with and disengaged from the second engagement member;
one end of the same side of the first elastic part and one end of the same side of the second elastic part are fixedly connected with one of the first vibration reduction piece and the second vibration reduction piece, the other one of the first vibration reduction piece and the second vibration reduction piece is fixedly connected with a first joint piece, the other end of the second elastic part is fixedly connected with the first joint piece, and the other end of the first elastic part is fixedly connected with the second joint piece.
The damper according to the present invention is provided with the engagement assembly, and the effect of rigidity adjustment of the damper is achieved by selectively engaging and disengaging the first engagement member and the second engagement member so that the other ends of the first elastic portion and the second elastic portion located on the same side are selectively fixedly connected.
In some examples of the invention, the first engagement member includes: the fixed body is fixedly matched with the first vibration reduction piece or the second vibration reduction piece, and the rotating body can rotate relative to the fixed body along the circumferential direction of the first joint piece so as to enable the rotating body to be jointed with or separated from the second joint piece.
In some examples of the invention, the first joint further comprises: the rolling body, the fixed body and the rotating body jointly limit a rolling space, and the rolling body can be assembled in the rolling space in a rolling way so as to enable the fixed body and the rotating body to rotate relatively. (the stationary body and/or the rotating body are formed with rolling grooves so that the stationary body and the rotating body together define a rolling space)
In some examples of the invention, one of the first electromagnet and the first permanent magnet is disposed within the stationary body, and the other of the first electromagnet and the first permanent magnet is disposed within the rotating body, the first electromagnet and the first permanent magnet magnetically coupled to relatively rotate the stationary body and the rotating body.
In some examples of the invention, the second engagement member is formed with a through hole, and the first engagement member is adapted to fit into the through hole.
In some examples of the present invention, the rotor is formed with a first locking portion, and an inner peripheral wall of the penetration hole is formed with a second locking portion corresponding to the first locking portion, and the first locking portion is locked or unlocked with the second locking portion to engage or disengage the first engaging member and the second engaging member.
In some examples of the invention, the first lock is configured as one of a tab and a slot, and the second lock is configured as the other of the tab and the slot, the tab being moved into or out of the slot to engage or disengage the first engagement member and the second engagement member.
In some examples of the invention, the shock absorber further comprises: and the other end of the pre-pressing piece is connected with one end of the first elastic part provided with a second joint piece so as to pre-press the first elastic part.
In some examples of the invention, the shock absorber further comprises: the first mounting bracket is fixedly arranged on one of the first vibration reduction piece and the second vibration reduction piece, and the second mounting bracket is fixedly arranged on the other one of the first vibration reduction piece and the second vibration reduction piece;
one end of the same side of the first elastic part and one end of the same side of the second elastic part are connected with the first mounting bracket;
the first joint piece is fixedly arranged on the second mounting bracket.
In some examples of the invention, the first vibration damping member has one of a second electromagnet and a second permanent magnet, and the second vibration damping member has the other of the second electromagnet and the second permanent magnet, the second electromagnet and the second permanent magnet cooperating to adapt the first vibration damping member and the second vibration damping member for relative movement in an axial direction of the vibration damper.
The vehicle according to the present invention includes the shock absorber described above.
According to the vehicle, the shock absorber is arranged, the rigidity of the shock absorber is adjustable, and the vehicle can adapt to different working conditions by adaptively adjusting the rigidity of the shock absorber, so that the driving feeling of the vehicle can be improved.
Additional aspects and advantages of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.
Drawings
The foregoing and/or additional aspects and advantages of the invention will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:
FIG. 1 is a schematic structural view of a shock absorber according to a first embodiment of the present invention;
FIG. 2 is a schematic structural view of a shock absorber according to a second embodiment of the present invention;
FIG. 3 is a schematic view of a structure of a first state of a shock absorber according to a third embodiment of the present invention;
FIG. 4 is a schematic structural view of a second state of a shock absorber according to a third embodiment of the present invention;
FIG. 5 is a schematic structural view of a third state of a shock absorber according to a third embodiment of the present invention;
FIG. 6 is a schematic structural view of a first state of a shock absorber according to a fourth embodiment of the present invention;
fig. 7 is a schematic structural view of a second state of a shock absorber according to a fourth embodiment of the present invention;
fig. 8 is a schematic structural view of a third state of a shock absorber according to a fourth embodiment of the present invention;
FIG. 9 is an assembled schematic view of a joint assembly according to an embodiment of the present invention;
FIG. 10 is a schematic structural view of a locked state of an engagement assembly according to an embodiment of the present invention;
FIG. 11 is a schematic structural view of an unlocked state of an engagement assembly according to an embodiment of the present invention;
FIG. 12 is a schematic illustration of the assembly of a shock absorber with a vehicle body, wheel end assembly in accordance with an embodiment of the present invention.
Reference numerals:
shock absorber 100; a first vibration damping member 11; a second vibration damping member 12; a first elastic portion 21; a second elastic portion 22; an engagement assembly 3; a first engagement member 31; a fixing body 311; a rotor 312; a rolling element 313; a scroll space 314; a second engagement member 32; a through hole 321; a first electromagnet 331; a first permanent magnet 332; a pre-pressing member 4; a first fitting portion 41; a second fitting portion 42; a connection portion 43; a first mounting bracket 51; a second mounting bracket 52; a vehicle body 201; wheel end assembly 202.
Detailed Description
Embodiments of the present invention are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the invention.
Hereinafter, a shock absorber 100 according to an embodiment of the present invention will be described with reference to fig. 1 to 12, and the shock absorber 100 may be applied to a vehicle, but the present invention is not limited thereto, and the shock absorber 100 may be applied to other devices where the shock absorber 100 needs to be provided, for example, the shock absorber 100 may be applied to an aircraft or the like, and the present invention will be described with reference to the application of the shock absorber 100 to a vehicle.
As shown in fig. 1 to 5, the damper 100 according to the embodiment of the present invention includes the first damper member 11, the second damper member 12, the first elastic portion 21 and the second elastic portion 22 fitted in cooperation, and the first damper member 11 and the second damper member 12 are adapted to move relatively in the axial direction of the damper 100. The first elastic portion 21 and the second elastic portion 22 are each located between the first vibration damping member 11 and the second vibration damping member 12.
The engagement assembly 3, the engagement assembly 3 includes a first engagement member 31 and a second engagement member 32, the first engagement member 31 being selectively engaged with and disengaged from the second engagement member 32. And as shown in fig. 6-11, one end of the same side of the first elastic portion 21 and the second elastic portion 22 is fixedly connected with one of the first vibration damping member 11 and the second vibration damping member 12, the other one of the first vibration damping member 11 and the second vibration damping member 12 is fixedly connected with the first joint member 31, the other end of the second elastic portion 22 is fixedly connected with the first joint member 31, and the other end of the first elastic portion 21 is fixedly connected with the second joint member 32.
An engagement assembly 3 is provided and selectively engaged and disengaged by the first engagement member 31 and the second engagement member 32 to selectively fixedly connect one ends of the first elastic portion 21 and the second elastic portion 22 on the same side, thereby achieving the effect of rigidity adjustment of the shock absorber 100.
As shown in fig. 1 to 5, in some embodiments, the axial direction of the shock absorber 100 is the X direction shown in the drawings, and the axial dimension of the shock absorber 100 can be changed by relatively moving the first shock absorbing member 11 and the second shock absorbing member 12 along the axial direction of the shock absorber 100, so that the effect of adjusting the stroke size of the shock absorber 100 is achieved.
In some embodiments, as shown in connection with fig. 1 and 12, when the shock absorber 100 is disposed in a vehicle, the first shock absorbing member 11 is adapted to be connected to a vehicle body 201 of the vehicle, and the second shock absorbing member 12 is adapted to be connected to a wheel end assembly 202 of the vehicle, so that the shock absorber 100 is connected between the vehicle body 201 and the wheel end assembly 202, and the effect of adjusting the ground clearance of the vehicle can be achieved by adjusting the stroke of the shock absorber 100.
As shown in fig. 1 to 8, in some embodiments, in the axial direction of the shock absorber 100, one end of the same side of the first elastic portion 21 and the second elastic portion 22 is connected to the first shock absorbing member 11, so that the effect that the first elastic portion 21 and the second elastic portion 22 are connected to the first shock absorbing member 11 is achieved.
The second vibration absorbing member 12 is fixedly provided with a first engaging member 31, and along the axial direction of the vibration absorber 100, one end of the second elastic portion 22 far away from the first vibration absorbing member 11 is connected with the first engaging member 31, one end of the first elastic portion 21 far away from the first vibration absorbing member 11 is connected with the second engaging member 32, and the first engaging member 31 and the second engaging member 32 are engaged and separated, so that the effect of selectively and fixedly connecting the other ends of the same sides of the first elastic portion 21 and the second elastic portion 22 is achieved.
When the first engaging member 31 and the second engaging member 32 are engaged, an end of the second elastic portion 22 away from the first vibration damping member 11 and an end of the first elastic portion 21 away from the first vibration damping member 11 are fixedly connected to the second engaging member 32 through the first engaging member 31, and when the first engaging member 31 and the second engaging member 32 are separated, an end of the second elastic portion 22 away from the first vibration damping member 11 and an end of the first elastic portion 21 away from the first vibration damping member 11 are separated.
In addition, in some embodiments, in the axial direction of the shock absorber 100, one end of the same side of the first elastic portion 21 and the second elastic portion 22 is connected to the second shock absorbing member 12, so that the effect that the first elastic portion 21 and the second elastic portion 22 are connected to the first shock absorbing member 11 is achieved.
The first damper 11 is fixedly provided with a first engaging member 31, and along the axial direction of the damper 100, one end of the second elastic portion 22 away from the second damper 12 is connected with the first engaging member 31, one end of the first elastic portion 21 away from the second damper 12 is connected with the second engaging member 32, and the first engaging member 31 and the second engaging member 32 are engaged and disengaged, so that the effect of selectively and fixedly connecting the other ends of the same sides of the first elastic portion 21 and the second elastic portion 22 is achieved.
When the first engaging member 31 and the second engaging member 32 are engaged, an end of the second elastic portion 22 away from the second vibration damping member 12 and an end of the first elastic portion 21 away from the second vibration damping member 12 are fixedly connected to the second engaging member 32 through the first engaging member 31, and when the first engaging member 31 and the second engaging member 32 are separated, an end of the second elastic portion 22 away from the second vibration damping member 12 and an end of the second vibration damping member 12 away from the first vibration damping member 11 are separated.
Thus, according to the shock absorber 100 of the embodiment of the present invention, the engagement assembly 3 is provided, and the first and second engagement members 31 and 32 are selectively engaged and disengaged to selectively fixedly connect the other ends of the first and second elastic portions 21 and 22 located on the same side, thereby achieving the effect of rigidity adjustment of the shock absorber 100. In some embodiments of the present invention, as shown in fig. 1-8, the first elastic portion 21 includes at least one first elastic member and the second elastic portion 22 includes at least one second elastic member.
As shown in fig. 1-8, in some embodiments, the first elastic portion 21 has a first elastic member, the second elastic portion 22 has a second elastic member, the first elastic member and the second elastic member are both configured as coil springs, and the first elastic member is sleeved on the outer side of the second elastic member, so that the effect that the first elastic portion 21 is sleeved on the second elastic portion 22 is achieved.
In some embodiments, the first elastic portion 21 has a plurality of first elastic members, the second elastic portion 22 has a plurality of second elastic members, and the plurality of first elastic members are sequentially arranged and annularly arranged, and the plurality of second elastic members are sequentially arranged and annularly arranged, so that the plurality of first elastic members are sleeved on the outer sides of the plurality of second elastic members, and the effect that the first elastic portion 21 is sleeved on the second elastic portion 22 is achieved.
In some embodiments of the present invention, as shown in fig. 9, the first coupling member 31 may include a fixed body 311 and a rotating body 312, the fixed body 311 is fixedly engaged with the first vibration damping member 11 or the second vibration damping member 12, and the rotating body 312 may rotate relative to the fixed body 311 in a circumferential direction of the first coupling member 31 to couple or decouple the rotating body 312 to or from the second coupling member 32.
In some embodiments, when the first engaging member 31 is fixedly disposed on the second vibration absorbing member 12, the fixing body 311 is fixedly connected with the second vibration absorbing member 12, so as to achieve the effect that the second vibration absorbing member 12 is fixedly disposed on the first engaging member 31, or in some embodiments, when the first engaging member 31 is fixedly disposed on the first vibration absorbing member 11, the fixing body 311 is fixedly connected with the first vibration absorbing member 11, so as to achieve the effect that the first vibration absorbing member 11 is fixedly disposed on the first engaging member 31.
As further shown in fig. 9, the fixed body 311 and the rotating body 312 are fitted together, and the rotating body 312 is rotated relative to the fixed body 311 in the circumferential direction of the first engagement member 31 to engage with or disengage from the second engagement member 32, whereby the effect of engagement of the first engagement member 31 with the second engagement member 32 is achieved when the rotating body 312 is engaged with the second engagement member 32, and the effect of disengagement of the first engagement member 31 with the second engagement member 32 is achieved when the rotating body 312 is disengaged from the second engagement member 32.
In some embodiments of the present invention, as shown in fig. 9, the first joint 31 further includes a rolling body 313, and the fixed body 311 and the rotating body 312 together define a rolling space 314, and the rolling body 313 is rollably assembled in the rolling space 314 to relatively rotate the fixed body 311 and the rotating body 312.
In some embodiments, a rolling groove is formed in an outer peripheral wall of the fixed body 311 opposite to the rotating body 312 along a radial direction of the first joint 31, and when the fixed body 311 and the rotating body 312 are assembled together, a shielding of an inner peripheral wall of the rotating body 312 is provided in an open end of the rolling groove of the fixed body 311 along the radial direction of the first joint 31, so that the fixed body 311 and the rotating body 312 together define a rolling space 314.
Alternatively, in some embodiments, a rolling groove is formed in an inner peripheral wall of the rotating body 312 opposite to the fixed body 311 in a radial direction of the first joint 31, and when the fixed body 311 and the rotating body 312 are assembled together, an outer peripheral wall of the fixed body 311 shields an open end of the rolling groove provided in the rotating body 312 in the radial direction of the first joint 31, so that the fixed body 311 and the rotating body 312 together define the rolling space 314.
Still alternatively, in some embodiments, the outer peripheral wall of the fixed body 311 opposite to the rotating body 312 and the inner peripheral wall of the rotating body 312 opposite to the fixed body 311 are formed with rolling grooves along the radial direction of the first joint 31, and when the fixed body 311 and the rotating body 312 are assembled in a mating manner, the rolling grooves provided in the fixed body 311 and the rolling grooves provided in the rotating body 312 are disposed opposite to each other along the radial direction of the first joint 31 to define the rolling space 314 together.
In some embodiments, when the rolling body 313 is assembled in the rolling space 314, the rolling body 313 abuts against both the fixed body 311 and the rotating body 312, and the rolling body 313 can roll in the rolling space 314, so that the fixed body 311 and the rotating body 312 can rotate relatively along the circumferential direction of the first joint 31.
In some embodiments of the present invention, as shown in fig. 9, one of the first electromagnet 331 and the first permanent magnet 332 is provided in the fixed body 311, and the other of the first electromagnet 331 and the first permanent magnet 332 is provided in the rotating body 312, and the first electromagnet 331 and the first permanent magnet 332 magnetically cooperate to relatively rotate the fixed body 311 and the rotating body 312.
As shown in fig. 9, in some embodiments, the fixed body 311 is provided with a first electromagnet 331, and the rotating body 312 is provided with a first permanent magnet 332, or in some embodiments, the fixed body 311 is provided with a first permanent magnet 332, and the rotating body 312 is provided with a first electromagnet 331. By utilizing the principle that the same poles of the magnets repel each other and the different poles attract each other, when the first electromagnet 331 is electrified, a magnetic acting force is generated between the first electromagnet 331 and the first permanent magnet 332, so that the effect of rotating the rotator 312 relative to the fixed body 311 is realized.
In some embodiments of the present invention, as shown in fig. 10 and 11, the second engagement member 32 is formed with a penetration hole 321, and the first engagement member 31 is adapted to be fitted to the penetration hole 321 so that the first engagement member 31 and the second engagement member 32 are adapted to be engaged or disengaged during the relative movement of the first vibration damping member 11 and the second vibration damping member 12 in the axial direction of the vibration damper 100.
As shown in fig. 10 and 11, in some embodiments, the main structure of the first engaging member 31 may be similar to a circle, and the main structure of the second engaging member 32 may be similar to a circle, and when the first engaging member 31 is assembled in the through hole 321, the first engaging member 31 and the second engaging member 32 are correspondingly disposed in a direction perpendicular to the axial direction of the shock absorber 100, so that the second engaging member 32 is sleeved on the first engaging member 31, that is, the first engaging member 31 is located in the through hole 321.
The second engaging member 32 defines a through hole 321 therein, and the through hole 321 may be configured as a through hole penetrating through the second engaging member 32 along an axial direction of the second engaging member 32, so that when the first engaging member 31 is assembled in the through hole 321, the first engaging member 31 is located in the through hole 321, and an effect that the second engaging member 32 is sleeved on the first engaging member 31 is achieved.
In some embodiments of the present invention, as shown in fig. 10 and 11, the rotator 312 is formed with a first locking portion, and an inner circumferential wall of the penetration hole 321 is formed with a second locking portion corresponding to the first locking portion, and the first locking portion is locked or unlocked with the second locking portion to engage or disengage the first engaging member 31 and the second engaging member 32.
In some embodiments, the outer peripheral wall of the rotating body 312 is formed with a first locking portion, and when the second engaging member 32 is sleeved on the first engaging member 31, the rotating body 312 is driven to rotate relative to the fixed body 311, so that the first locking portion and the second locking portion are locked or unlocked.
When the first locking part and the second locking part are locked, the relative positions of the first joint piece 31 and the second joint piece 32 are limited by the locking fit of the first locking part and the second locking part in the axial direction of the first joint piece 31, so that the first joint piece 31 and the second joint piece 32 are fixedly connected; when the first lock portion and the second lock portion are unlocked, the restriction on the first engaging piece 31 and the second engaging piece 32 is released, so that the first engaging piece 31 and the second engaging piece 32 can relatively move.
For example, as shown in fig. 10 and 11, in the process of adjusting the first lock portion and the second lock portion from the unlocked state to the locked state, in the circumferential direction of the first engagement member 31, the rotor 312 rotates clockwise with respect to the fixed body 311 to lock the first lock portion and the second lock portion, thereby achieving the effect of adjusting the first engagement member 31 and the second engagement member 32 from the disengaged state to the engaged state, and in the process of adjusting the first lock portion and the second lock portion from the locked state to the unlocked state, the rotor 312 rotates counterclockwise with respect to the fixed body 311 to unlock the first lock portion and the second lock portion, thereby achieving the effect of adjusting the first engagement member 31 and the second engagement member 32 from the engaged state to the disengaged state, thereby achieving the effect of adjusting the rigidity of the shock absorber 100.
In some embodiments of the present invention, as shown in fig. 10 and 11, the first locking portion is configured as one of a tongue and a groove, and the second locking portion is configured as the other of the tongue and the groove, and the tongue is moved into or out of the groove to engage or disengage the first engaging member 31 and the second engaging member 32.
In some embodiments, the first lock is configured as a catch and the second lock is configured as a corresponding catch, or in some embodiments, the first lock is configured as a catch and the second lock is configured as a corresponding catch.
In some embodiments, as shown in fig. 10 and 11, taking the first lock portion configured as a latch, and the second lock portion configured as a slot as an example, during the process of adjusting the first lock portion and the second lock portion from the unlocked state to the locked state, the rotator 312 rotates clockwise relative to the fixed body 311 to move the latch into the latch, in the axial direction of the first engaging member 31, the latch abuts against a slot wall of the latch to lock the first lock portion and the second lock portion, so that the effect of adjusting the first engaging member 31 and the second engaging member 32 from the disengaged state to the engaged state is achieved, and during the process of adjusting the first lock portion and the second lock portion from the locked state to the unlocked state, the rotator 312 rotates counterclockwise relative to the fixed body 311 to move the latch out of the latch, and in the axial direction of the first engaging member 31, the slot wall of the latch abuts against the latch is released to unlock the first lock portion and the second engaging member 32 from the engaged state to the disengaged state is achieved.
In some embodiments of the present invention, as shown in fig. 10 and 11, the second engaging member 32 has a through hole formed therein, and the first engaging member 31 is adapted to move into the through hole, so that the second engaging member 32 is adapted to be sleeved on the first engaging member 31.
The first engagement member 31 may include an assembly body and a lock tongue, the lock tongue is assembled to the assembly body, the lock tongue is adapted to extend out of the assembly body and retract back to the assembly body, and an inner peripheral wall of the through hole is formed with a lock groove, the lock groove is recessed toward an inside of the second engagement member 32, when the second engagement member 32 is located in the first engagement member 31, in a direction perpendicular to an axial direction of the through hole, the lock tongue is disposed in correspondence with the lock groove, when the lock tongue extends out of the assembly body, the lock tongue is adapted to abut against a groove wall of the lock groove in the axial direction of the through hole to limit a relative position of the first engagement member 31 and the second engagement member 32 in the axial direction of the through hole, an effect of engagement of the first engagement member 31 and the second engagement member 32 is achieved, and after the lock tongue is retracted and moved out of the lock groove, abutting limitation of the groove wall of the lock tongue and the lock groove is released in the axial direction of the through hole, so that the first engagement member 31 and the second engagement member 32 can be relatively moved, and an is separated from the second engagement member 32.
In some embodiments of the present invention, as shown in fig. 3 to 8, the shock absorber 100 may further include a pre-compression member 4, one end of the pre-compression member 4 is fixedly coupled to the first shock absorbing member 11 or the second shock absorbing member 12 in the axial direction of the shock absorber 100, and the other end of the pre-compression member 4 is coupled to the end of the first elastic portion 21 provided with the second engagement member 32 to pre-compress the first elastic portion 21.
In some embodiments, when the first engaging member 31 is fixedly disposed on the first vibration absorbing member 11, one end of the pre-pressing member 4 is connected to the second vibration absorbing member 12, so as to achieve the effect that the pre-pressing member 4 is fixedly connected to the second vibration absorbing member 12, and the other end of the pre-pressing member 4 is connected to the end of the first elastic portion 21 provided with the second engaging member 32, and the pre-pressing member 4 pre-presses the first elastic portion 21 with one end connected to the second vibration absorbing member 12.
In addition, in some embodiments, when the first engaging member 31 is fixedly disposed on the second vibration absorbing member 12, one end of the pre-pressing member 4 is connected to the first vibration absorbing member 11, so as to achieve the effect that the pre-pressing member 4 is fixedly connected to the first vibration absorbing member 11, and the other end of the pre-pressing member 4 is connected to the end of the first elastic portion 21, where the second engaging member 32 is disposed, of the first elastic portion 21, and the pre-pressing member 4 pre-presses the first elastic portion 21, where the end of the pre-pressing member is connected to the first vibration absorbing member 11.
By providing the pre-pressing member 4 to pre-press the first elastic portion 21 so that the first elastic portion 21 has a certain rigidity, the supportability of the first elastic portion 21 is ensured when the first elastic portion 21 and the second elastic portion 22 are simultaneously pressed, thereby improving the reliability of the shock absorber 100 in use.
In some embodiments of the present invention, as shown in fig. 3 to 8, the pre-compression member 4 includes a first fitting portion 41, a second fitting portion 42, and a connection portion 43 in the axial direction of the shock absorber 100, the connection portion 43 is connected between the first fitting portion 41 and the second fitting portion 42, the first fitting portion 41 is fixedly connected to the first shock absorbing member 11 or the second shock absorbing member 12, the second fitting portion 42 is connected to the end of the first elastic portion 21 where the second engaging member 32 is provided, and at least part of the structure of the connection portion 43 is deformable.
As shown in fig. 3 to 8, in some embodiments, the deformable connection portion 43 is connected between the first fitting portion 41 and the second fitting portion 42, and the connection portion 43 has a maximum elongation, thereby limiting a maximum distance between the first fitting portion 41 and the second fitting portion 42 so that the pre-compression member 4 may pre-compress the first elastic portion 21, and in a state in which the first elastic portion 21 is compressed, since the connection portion 43 may deform and shrink, it is ensured that the first elastic portion 21 may be compressed and contracted.
In some embodiments of the present invention, as shown in fig. 1-8, the shock absorber 100 may further include a first mounting bracket 51 and a second mounting bracket 52, the first mounting bracket 51 being fixedly disposed on one of the first shock absorbing member 11 and the second shock absorbing member 12, and the second mounting bracket 52 being fixedly disposed on the other of the first shock absorbing member 11 and the second shock absorbing member 12. One end of the same side of the first elastic portion 21 and the second elastic portion 22 is connected to the first mounting bracket 51, and the first joint member 31 is fixedly arranged on the second mounting bracket 52.
In some embodiments, when the same-side ends of the first elastic portion 21 and the second elastic portion 22 are connected to the first vibration absorbing member 11, the first mounting bracket 51 is fixedly disposed on the first vibration absorbing member 11, and the same-side ends of the first elastic portion 21 and the second elastic portion 22 are connected to the first vibration absorbing member 11 through the first mounting bracket 51, and the second mounting bracket 52 is fixedly disposed on the second vibration absorbing member 12, and the first joint member 31 is fixedly disposed on the second vibration absorbing member 12 through the second mounting bracket 52.
In addition, in some embodiments, when the same-side ends of the first elastic portion 21 and the second elastic portion 22 are connected to the second vibration absorbing member 12, the first mounting bracket 51 is fixedly disposed on the second vibration absorbing member 12, and the same-side ends of the first elastic portion 21 and the second elastic portion 22 are connected to the second vibration absorbing member 12 through the first mounting bracket 51, and the second mounting bracket 52 is fixedly disposed on the first vibration absorbing member 11, and the first joint member 31 is fixedly disposed on the first vibration absorbing member 11 through the second mounting bracket 52.
As shown in connection with fig. 1-5, in some embodiments, the second engagement member 32 is adapted to abut the second mounting bracket 52 in the axial direction of the shock absorber 100 to limit the relative positions of the second engagement member 32 and the first engagement member 31 in the axial direction of the shock absorber 100.
In some embodiments, the first engaging member 31 and the second engaging member 32 are adapted to be disposed correspondingly in a direction perpendicular to the axial direction of the shock absorber 100 during the stroke shortening of the shock absorber 100, and the second engaging member 32 abuts against the second mounting bracket 52 provided with the first engaging member 31, so as to effectively limit the relative positions of the first engaging member 31 and the second engaging member 32 in the axial direction of the shock absorber 100, thereby facilitating the assurance of the stability of the engagement and disengagement between the first engaging member 31 and the second engaging member 32, and improving the reliability of the shock absorber 100.
In some embodiments, when one end of the pre-pressing member 4 is fixedly connected to the first vibration-damping member 11, one end of the pre-pressing member 4 is fixedly connected to the first mounting bracket 51 fixedly provided to the first vibration-damping member 11, so that the pre-pressing member 4 is indirectly and fixedly connected to the first vibration-damping member 11, but the present invention is not limited thereto, and one end of the pre-pressing member 4 may also be directly and fixedly connected to the first vibration-damping member 11.
In addition, in some embodiments, when one end of the pre-pressing member 4 is fixedly connected to the second vibration-damping member 12, one end of the pre-pressing member 4 is fixedly connected to the first mounting bracket 51 fixedly arranged on the second vibration-damping member 12, so that the pre-pressing member 4 is indirectly fixedly connected to the second vibration-damping member 12, but the present invention is not limited thereto, and one end of the pre-pressing member 4 may also be directly fixedly connected to the second vibration-damping member 12.
In some embodiments of the present invention, the first vibration damping member 11 has one of a second electromagnet and a second permanent magnet, and the second vibration damping member 12 has the other of the second electromagnet and the second permanent magnet, which cooperate to adapt the first vibration damping member 11 and the second vibration damping member 12 for relative movement in the axial direction of the vibration damper 100, so that the vibration damper 100 is configured as an electromagnetic vibration damper by providing the corresponding cooperating second electromagnet and second permanent magnet in the first vibration damping member 11 and the second vibration damping member 12, respectively.
As shown in fig. 1, in some embodiments, the first damping member 11 is configured as a sleeve, the second damping member 12 is configured as a push rod, and the first damping member 11 is sleeved on the second damping member 12, or in some embodiments, the first damping member 11 is configured as a push rod, the second damping member 12 is configured as a sleeve, and the second damping member 12 is sleeved on the first damping member 11, so that the stroke size of the damper 100 is changed by relatively moving the first damping member 11 and the second damping member 12 in the axial direction of the damper 100.
In some embodiments, the first vibration damping member 11 is provided with a second electromagnet, the second vibration damping member 12 is correspondingly provided with a second permanent magnet, or alternatively, the first vibration damping member 11 is provided with a second permanent magnet, the second vibration damping member 12 is correspondingly provided with a second electromagnet, and the second electromagnet is energized to generate magnetic force with the second permanent magnet member, so that the effect of relative movement of the first vibration damping member 11 and the second electromagnet along the axial direction of the vibration damper 100 is achieved.
As shown in fig. 12, a vehicle according to an embodiment of the invention includes a shock absorber 100, and the shock absorber 100 is the shock absorber 100 in some of the embodiments described above. In some embodiments, the vehicle further includes a body 201 and a wheel end assembly 202, the first vibration damping member 11 is coupled to the body 201, the second vibration damping member 12 is coupled to the wheel end assembly 202, and the vibration damper 100 is coupled between the body 201 and the wheel end assembly 202. The vehicle is provided with the shock absorber 100 with adjustable rigidity, and the rigidity of the shock absorber 100 is adjusted adaptively, so that the vehicle can adapt to different working conditions, and the driving feeling of the vehicle can be improved. It should be noted that the features and advantages described above with respect to the shock absorber 100 are equally applicable to the vehicle, and are not repeated here.
It should be noted that, in the description of some embodiments of the present invention, the terms "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like indicate an azimuth or a positional relationship based on the azimuth or the positional relationship shown in the drawings, and are merely for convenience of description and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific azimuth, be configured and operated in a specific azimuth, and thus should not be construed as limiting the present invention.
In the description of the present specification, reference to the terms "one embodiment," "some embodiments," "illustrative embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: many changes, modifications, substitutions and variations may be made to the embodiments without departing from the spirit and principles of the invention, the scope of which is defined by the claims and their equivalents.

Claims (11)

1. A shock absorber, comprising:
the first vibration reduction piece and the second vibration reduction piece are matched and assembled, and the first vibration reduction piece and the second vibration reduction piece are suitable for relative movement along the axial direction of the vibration damper;
a first elastic portion and a second elastic portion, both of which are located between the first vibration reduction member and the second vibration reduction member;
an engagement assembly including a first engagement member and a second engagement member, the first engagement member being selectively engaged and disengaged with the second engagement member;
the one end of first elastic part with the one of second elastic part homonymy all with one of first damping spare and second damping spare, another one of first damping spare and second damping spare fixedly connected with first joint spare, the other end of second elastic part with first joint spare fixed connection, the other end of first elastic part with second joint spare fixed connection.
2. The shock absorber of claim 1 wherein said first engagement member comprises: the fixed body is fixedly matched with the first vibration reduction piece or the second vibration reduction piece, and the rotating body can rotate relative to the fixed body along the circumferential direction of the first joint piece so as to enable the rotating body to be jointed with or separated from the second joint piece.
3. The shock absorber of claim 2 wherein said first engagement member further comprises: the rolling body and the fixed body and the rotating body jointly define a rolling space, and the rolling body can be assembled in the rolling space in a rolling way so as to enable the fixed body and the rotating body to rotate relatively.
4. The shock absorber of claim 2 wherein one of a first electromagnet and a first permanent magnet is disposed within said stationary body and the other of said first electromagnet and said first permanent magnet is disposed within said rotating body, said first electromagnet and first permanent magnet magnetically coupled to rotate said stationary body and said rotating body relative to each other.
5. The shock absorber of claim 2 wherein said second engagement member is formed with a through hole and said first engagement member is adapted to fit within said through hole.
6. The shock absorber according to claim 5, wherein the rotor is formed with a first lock portion, an inner peripheral wall of the penetration hole is formed with a second lock portion corresponding to the first lock portion, and the first lock portion is locked or unlocked with the second lock portion to engage or disengage the first engaging piece and the second engaging piece.
7. The shock absorber according to claim 6, wherein said first lock portion is configured as one of a catch and a slot, and said second lock portion is configured as the other of said catch and said slot, said catch being moved into or out of said slot to engage or disengage said first engagement member and said second engagement member.
8. The shock absorber according to any of claims 1-7, further comprising: and one end of the pre-pressing piece is fixedly connected with the first vibration reduction piece or the second vibration reduction piece along the axial direction of the vibration reducer, and the other end of the pre-pressing piece is connected with one end of the first elastic part, which is provided with the second joint piece, so as to pre-press the first elastic part.
9. The shock absorber according to any of claims 1-7, further comprising: the first mounting bracket is fixedly arranged on one of the first vibration reduction piece and the second vibration reduction piece, and the second mounting bracket is fixedly arranged on the other one of the first vibration reduction piece and the second vibration reduction piece;
one end of the same side of the first elastic part and one end of the same side of the second elastic part are connected with the first mounting bracket;
the first joint piece is fixedly arranged on the second mounting bracket.
10. The shock absorber according to any of claims 1-7, wherein said first shock absorbing member has one of a second electromagnet and a second permanent magnet, said second shock absorbing member having the other of a second electromagnet and a second permanent magnet, said second electromagnet and second permanent magnet cooperating to adapt said first shock absorbing member and said second shock absorbing member for relative movement in an axial direction of said shock absorber.
11. A vehicle comprising a shock absorber according to any one of claims 1-10.
CN202410273242.1A 2024-03-11 2024-03-11 Shock absorber and vehicle Pending CN117869524A (en)

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Publication number Priority date Publication date Assignee Title
GB9127591D0 (en) * 1991-12-18 1992-06-17 Georgiev Jordan V A method and shock sbsorbing device allowing reducing vehicle weight
FR2677929A1 (en) * 1991-06-24 1992-12-24 Bianchi Mauro Sa SUSPENSION METHOD FOR VEHICLES USING TWO RAIDERS, RESPECTIVELY DESIGNED FOR A GOOD LEVEL OF COMFORT AND A BEAUTIFUL LEVEL OF BEHAVIOR.
US5454550A (en) * 1994-08-09 1995-10-03 Christopherson Group Dampening shock absorber
WO2007023506A2 (en) * 2005-06-10 2007-03-01 Bajaj Auto Limited A shock absorber for a motor vehicle
US20090302559A1 (en) * 2007-04-02 2009-12-10 Bayerische Motoren Werke Aktiengesellschaft Spring Assembly With an Adjustable Spring Rate and a Spring Strut
CN110869224A (en) * 2017-10-24 2020-03-06 宝马股份公司 Spring damper system with variable spring rate
CN210769994U (en) * 2019-10-23 2020-06-16 马悦琦 Shock-absorbing device
CN213117255U (en) * 2020-08-10 2021-05-04 安徽雷博机车部件有限公司 Enhanced vehicle shock absorber
US20210268857A1 (en) * 2020-02-27 2021-09-02 Fox Factory, Inc. Shock assembly with automatically adjustable ride height
CN113586651A (en) * 2020-04-30 2021-11-02 比亚迪股份有限公司 Shock absorber and vehicle
CN220060354U (en) * 2023-05-25 2023-11-21 扬州大学 Adjustable shock absorber
CN220227640U (en) * 2023-07-14 2023-12-22 北京金达联盟机械设备有限公司 Double-rigidity shock absorber

Patent Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2677929A1 (en) * 1991-06-24 1992-12-24 Bianchi Mauro Sa SUSPENSION METHOD FOR VEHICLES USING TWO RAIDERS, RESPECTIVELY DESIGNED FOR A GOOD LEVEL OF COMFORT AND A BEAUTIFUL LEVEL OF BEHAVIOR.
GB9127591D0 (en) * 1991-12-18 1992-06-17 Georgiev Jordan V A method and shock sbsorbing device allowing reducing vehicle weight
US5454550A (en) * 1994-08-09 1995-10-03 Christopherson Group Dampening shock absorber
WO2007023506A2 (en) * 2005-06-10 2007-03-01 Bajaj Auto Limited A shock absorber for a motor vehicle
US20090302559A1 (en) * 2007-04-02 2009-12-10 Bayerische Motoren Werke Aktiengesellschaft Spring Assembly With an Adjustable Spring Rate and a Spring Strut
CN110869224A (en) * 2017-10-24 2020-03-06 宝马股份公司 Spring damper system with variable spring rate
CN210769994U (en) * 2019-10-23 2020-06-16 马悦琦 Shock-absorbing device
US20210268857A1 (en) * 2020-02-27 2021-09-02 Fox Factory, Inc. Shock assembly with automatically adjustable ride height
CN113586651A (en) * 2020-04-30 2021-11-02 比亚迪股份有限公司 Shock absorber and vehicle
CN213117255U (en) * 2020-08-10 2021-05-04 安徽雷博机车部件有限公司 Enhanced vehicle shock absorber
CN220060354U (en) * 2023-05-25 2023-11-21 扬州大学 Adjustable shock absorber
CN220227640U (en) * 2023-07-14 2023-12-22 北京金达联盟机械设备有限公司 Double-rigidity shock absorber

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