CN214984694U - Plate spring, vehicle tool and electric tricycle - Google Patents
Plate spring, vehicle tool and electric tricycle Download PDFInfo
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- CN214984694U CN214984694U CN202121490011.4U CN202121490011U CN214984694U CN 214984694 U CN214984694 U CN 214984694U CN 202121490011 U CN202121490011 U CN 202121490011U CN 214984694 U CN214984694 U CN 214984694U
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- leaf spring
- rear axle
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Abstract
The utility model discloses a plate spring, which relates to the technical field of vehicle accessories and comprises at least one elastic sheet, wherein each elastic sheet is stacked and fixedly connected in sequence, each elastic sheet has unequal length, and after installation, each elastic sheet is gradually parallel to a horizontal plane from one end close to a rear axle to one end close to a frame; the vehicle/electric tricycle comprises a frame, a rear axle and a plate spring, wherein one end of the plate spring is installed on the frame, and the other end of the plate spring is installed on the rear axle. The plate spring, the vehicle tool and the electric tricycle cannot limit the height of a chassis, and the damping performance is good.
Description
Technical Field
The utility model relates to an automobile-used accessory technical field specifically is to relate to a leaf spring, car utensil and electric tricycle.
Background
The plate spring (i.e. leaf spring) is an elastic element with wide application, and is an elastic beam with approximate equal strength formed by combining a plurality of alloy spring pieces with equal width but unequal length (the thickness can be equal or unequal).
The plate spring with a downward convex structure is used for buffering and damping on various vehicles, as shown in fig. 1, but the downward convex structure limits the height of a chassis, so that the plate spring can only be used on a large vehicle with a high chassis and is rigidly connected through connecting pieces at two ends, and when the plate spring is used on a small vehicle with a low chassis, the plate spring is not suitable. Moreover, the plate spring is not soft enough, has poor elasticity and is uncomfortable for passengers.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a leaf spring, car utensil and electric tricycle to solve the problem that above-mentioned prior art exists, can not restrict car utensil chassis height, and the damping performance is good.
In order to achieve the above object, the utility model provides a following scheme:
the utility model provides a leaf spring, one end are used for connecting the frame, and the other end is used for connecting the rear axle, including an at least section flexure strip, and each the flexure strip piles up and fixed connection, each in proper order the flexure strip varies long, and installs back each the flexure strip is from the one end that is close to the rear axle to the one end that is close to the frame, and the tangent line is parallel with the horizontal plane gradually.
Preferably, the elastic pieces are three, the lengths of the elastic pieces are sequentially shortened from top to bottom, the adjacent elastic pieces are fixedly connected, and the elastic pieces are sequentially a first elastic piece, a second elastic piece and a third elastic piece from top to bottom.
Preferably, the width of each elastic sheet is equal, and the long sides of each elastic sheet are aligned in the vertical direction; one end of each elastic sheet in the length direction is aligned, and the aligned ends of the three elastic sheets form a front connecting section together.
Preferably, the third flexure strip is including fixed body and back linkage segment in proper order, just the body is the bellied arc that makes progress, the one end of body the one end of first flexure strip with the one end parallel and level of second flexure strip forms preceding linkage segment, the other end of body stretches out the second flexure strip and with the one end fixed connection of back linkage segment, during the use back linkage segment is parallel with the horizontal plane, the back linkage segment is used for installing on the rear axle, preceding linkage segment is used for installing on the frame.
Preferably, the third elastic piece further comprises a limiting section, the limiting section is fixed at one end, far away from the body, of the rear connecting section, and the rear connecting section is perpendicular to the limiting section; the rear connecting section is fixed on the rear axle through a rear connecting element, and the limiting section is used for abutting against the connecting element; the front connecting section is mounted on the frame by a front connecting element.
Preferably, the first elastic sheet and the second elastic sheet are both arc-shaped plates protruding upwards, and the radians of the first elastic sheet, the second elastic sheet and the body are consistent.
Preferably, the elastic piece is an alloy spring piece.
The utility model also provides a turning tool, including any one of frame, rear axle and above-mentioned technical scheme the leaf spring, the one end of leaf spring is installed on the frame, the other end of leaf spring is installed on the rear axle, just the leaf spring is from the one end that is close to the rear axle to the one end that is close to the frame, and the tangent line is parallel with the horizontal plane gradually.
The utility model also provides an electric tricycle, including any one of frame, rear axle and above-mentioned technical scheme the leaf spring, the one end of leaf spring is installed on the frame, the other end of leaf spring is installed on the rear axle, just the leaf spring is from the one end that is close to the rear axle to the one end that is close to the frame, the tangent line is parallel with the horizontal plane gradually.
Preferably, the elastic pieces are three, the lengths of the elastic pieces are sequentially shortened from top to bottom, the adjacent elastic pieces are fixedly connected, the elastic pieces are sequentially a first elastic piece, a second elastic piece and a third elastic piece from top to bottom, one ends of the first elastic piece, the second elastic piece and the third elastic piece in the length direction are aligned, a front connecting section is formed at one aligned end, the front connecting section is connected with the frame through a front connecting element, and one end of the third elastic piece, which is far away from the front connecting section, extends out of the first elastic piece and the second elastic piece and is connected with the rear axle through a rear connecting element;
the front connecting element comprises two rib plates and two front base plates, the two front base plates are respectively positioned on two sides of the front connecting section in the thickness direction, one sides of the two front base plates are fixed on the frame, the front base plates are fixedly connected with the front connecting section through bolts, the cross section of each rib plate is triangular, one side of each rib plate is fixed on the front base plate positioned at the upper end of the first elastic sheet, and the other side of each rib plate is fixed on the frame;
the rear connecting element comprises two rear cushion plates, the two rear cushion plates are respectively positioned on two sides of the third elastic sheet in the thickness direction, one side of each rear cushion plate is fixed on the rear axle, and the rear cushion plates are fixedly connected with the third elastic sheet through bolts.
The utility model discloses for prior art gain following technological effect:
the utility model provides a leaf spring, including an at least flexure strip, and each flexure strip piles up and fixed connection in proper order, and each flexure strip varies long, improves the elastic stiffness of leaf spring, and then improves the shock attenuation effect, and each flexure strip is from the one end that is close to the rear axle to the one end that is close to the frame after the installation, and the tangent line is parallel with the horizontal plane gradually, forms the epirelief structure, for current protruding type leaf spring down, can reduce the design size of car utensil chassis height.
The utility model provides a vehicle, electric tricycle, all include the frame, rear axle and leaf spring, the one end of leaf spring is installed on the frame, the other end of leaf spring is installed on the rear axle, and then in the use, because the vibrations in the driving process, the frame has the motion trend of being close to each other or keeping away from each other with the rear axle, utilize the leaf spring to cushion its motion, improve the shock attenuation effect, and the leaf spring is from the one end of being close to the rear axle to the one end of being close to the frame, the tangent line is parallel with the horizontal plane gradually, the middle part is upwards protruding promptly, when the frame is close to each other with the rear axle, the stripper plate spring, the leaf spring both ends are close to each other and make the middle part of leaf spring continue upwards protruding, can not be protruding downwards, and then need not reserve the downward bellied space of leaf spring, reduce the design size of vehicle chassis height.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic view of a prior art leaf spring coupled to a vehicle frame;
FIG. 2 is a schematic structural view of a leaf spring according to a first embodiment;
FIG. 3 is a front view of a leaf spring provided in accordance with one embodiment;
FIG. 4 is a schematic view of the assembly of the leaf springs in the electro-tricycle according to the second embodiment;
in the figure: 100-electric tricycle, 10-plate spring, 20-frame, 30-connecting piece, 40-rear axle, 1-first elastic piece, 2-second elastic piece, 3-third elastic piece, 31-body, 32-rear connecting section, 33-limiting section, 4-rib plate, 5-front cushion plate and 6-rear cushion plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The utility model aims at providing a leaf spring, car utensil and electric tricycle to it is poor to solve current leaf spring damping performance, restricts the technical problem of car utensil chassis height.
In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention is described in detail with reference to the accompanying drawings and the detailed description.
Example one
As shown in fig. 2-3, the present embodiment provides a plate spring 10, one end is used for connecting the frame 20, the other end is used for connecting the rear axle 40, the plate spring includes at least one elastic sheet, and each elastic sheet is stacked and fixedly connected in sequence, each elastic sheet is not equal in length, the elastic stiffness of the plate spring 10 is improved, and further the damping effect is improved, and after installation, each elastic sheet is gradually parallel to the horizontal plane from the end close to the rear axle to the end close to the frame, forming a structure with an upward bending middle part, and compared with the existing downward convex plate spring 10, the design size of the chassis height of the vehicle can be reduced.
Specifically, the elastic pieces are three, and the lengths of the elastic pieces are sequentially shortened from top to bottom, the adjacent elastic pieces are fixedly connected, and the elastic pieces are sequentially a first elastic piece 1, a second elastic piece 2 and a third elastic piece 3 from top to bottom, but the number of the elastic pieces in the plate spring 10 provided by this embodiment is not limited to three, and those skilled in the art can adaptively change the number according to actual damping needs and load.
The width of each flexure strip equals, and the long limit of each flexure strip aligns in vertical direction to guarantee leaf spring 10's bulk rigidity, prevent in the use, because the fracture of the too big flexure strip that appears of load, influence holistic life.
The ascending one end of each flexure strip length direction aligns, and the three flexure strip of the one end of just aligning forms preceding linkage segment jointly to in connect frame 20, and then for current leaf spring, the utility model provides a leaf spring 10 only uses its half structure, practices thrift the cost.
The third elastic piece 3 further comprises a limiting section 33, the limiting section 33 is fixed on one end of the rear connecting section 32 far away from the body 31, and the rear connecting section 32 is perpendicular to the limiting section 33; the rear connecting section 32 is fixed on the rear axle 40 through a rear connecting element, and the limiting section 33 is used for abutting against the connecting element, so that the rear connecting element and the third elastic sheet 3 are prevented from sliding mutually due to vibration in the driving process, and the service life of the whole body is prevented from being influenced; the front attachment section is mounted to the frame 20 by a front attachment member.
The elastic sheet is an alloy spring sheet.
Example two
As shown in fig. 4, the present embodiment provides a vehicle, preferably an electric tricycle 100, comprising a frame 20, a rear axle 40 and a plate spring 10 according to the first embodiment, wherein one end of the plate spring 10 is mounted on the frame 20, and the other end of the plate spring 10 is mounted on the rear axle 40, so that during use, due to vibration during driving, the frame 20 and the rear axle 40 have a tendency to move toward or away from each other, and the plate spring 10 is used to buffer the movement thereof, thereby improving the damping effect, and a tangent line of the plate spring 10 from the end near the rear axle 40 to the end near the frame 20 is gradually parallel to a horizontal plane, i.e. forming a structure with an upward convex middle part, when the frame 20 and the rear axle 40 approach each other, the plate spring 10 is pressed, the two ends of the plate spring 10 approach each other and the middle part of the plate spring 10 continues to protrude upward without protruding downward, thereby avoiding the need to reserve a space for the downward protrusion of the plate spring 10, the design size of the chassis height of the vehicle is reduced.
Specifically, the elastic pieces are three, the lengths of the elastic pieces are sequentially shortened from top to bottom, the adjacent elastic pieces are fixedly connected, the elastic pieces are sequentially a first elastic piece 1, a second elastic piece 2 and a third elastic piece 3 from top to bottom, one ends of the first elastic piece 1, the second elastic piece 2 and the third elastic piece 3 in the length direction are aligned, a front connecting section is formed at one aligned end, the front connecting section is connected with the frame 20 through a front connecting element, and one end of the third elastic piece 3, far away from the front connecting section, extends out of the first elastic piece 1 and the second elastic piece 2 and is connected with the rear axle 40 through a rear connecting element;
the front connecting element comprises two rib plates 4 and two front base plates 5, the two front base plates 5 are respectively positioned at two sides of the thickness direction of the front connecting section, so that one end of the plate spring 10 is clamped between the two front base plates 5, the surface contact can improve the connection stability, one sides of the two front base plates 5 are fixed on the frame 20, the front base plates 5 are fixedly connected with the front connecting section through bolts, so that the plate spring 10 is fixed with the frame 20, the fixing stability is good, the cross section of each rib plate 4 is triangular, one side of each rib plate 4 is fixed on the front base plate 5 positioned at the upper end of the first elastic sheet 1, the other side of each rib plate 4 is fixed on the frame 20, the front base plates 5 are further fixed through the rib plates 4, and the situation that the front base plates 5 are separated from the frame 20 when bearing large load can be prevented, and the damping effect of the plate spring 10 is further influenced;
the back connecting element includes two back cushion boards 6, two back cushion boards 6 are located 3 ascending both sides of thickness side of third flexure strip respectively, and one side of two back cushion boards 6 is fixed on rear axle 40, pass through bolt fixed connection between back cushion board 6 and the third flexure strip 3, improve connection stability, in order to guarantee the shock attenuation effect, and through preceding backing plate 5, back cushion board 6 and bolt realize the rigidity of leaf spring 10, it is fixed for current passing through connecting piece 30 (as shown in fig. 1), occupation space is little in vertical direction, and then can reduce the design size on chassis, and simultaneously, the compliance of leaf spring 10 has been improved.
The principle and the implementation mode of the present invention are explained by applying specific examples in the present specification, and the above descriptions of the examples are only used to help understanding the method and the core idea of the present invention; meanwhile, for the general technical personnel in the field, according to the idea of the present invention, there are changes in the concrete implementation and the application scope. In summary, the content of the present description should not be construed as a limitation of the present invention.
Claims (10)
1. A leaf spring, one end is used for connecting the frame, and the other end is used for connecting rear axle, its characterized in that: the automobile rear axle comprises at least one elastic sheet, wherein the elastic sheets are sequentially stacked and fixedly connected, the elastic sheets are unequal in length, and after the automobile rear axle is installed, each elastic sheet is gradually parallel to a horizontal plane from one end close to a rear axle to one end close to an automobile frame.
2. The leaf spring of claim 1, wherein: the elastic pieces are three, the length of each elastic piece is shortened from top to bottom, the adjacent elastic pieces are fixedly connected, and the elastic pieces are a first elastic piece, a second elastic piece and a third elastic piece from top to bottom.
3. The leaf spring of claim 2, wherein: the width of each elastic sheet is equal, and the long sides of the elastic sheets are aligned in the vertical direction; one end of each elastic sheet in the length direction is aligned, and the aligned ends of the three elastic sheets form a front connecting section together.
4. The leaf spring of claim 3, wherein: the third flexure strip is including fixed body and back linkage segment in proper order, just the body is the bellied arc that makes progress, the one end of body the one end of first flexure strip with the one end parallel and level of second flexure strip forms preceding linkage segment, the other end of body stretches out the second flexure strip and with the one end fixed connection of back linkage segment, during the use back linkage segment is parallel with the horizontal plane, the back linkage segment is used for installing on the rear axle, preceding linkage segment is used for installing on the frame.
5. The leaf spring of claim 4, wherein: the third elastic piece further comprises a limiting section, the limiting section is fixed at one end, far away from the body, of the rear connecting section, and the rear connecting section is perpendicular to the limiting section; the rear connecting section is fixed on the rear axle through a rear connecting element, and the limiting section is used for abutting against the connecting element; the front connecting section is mounted on the frame by a front connecting element.
6. The leaf spring of claim 4, wherein: the first elastic sheet and the second elastic sheet are both arc-shaped plates protruding upwards, and the radians of the first elastic sheet, the second elastic sheet and the body are consistent.
7. The leaf spring of claim 1, wherein: the elastic sheet is an alloy spring sheet.
8. A kind of car utensil, its characterized in that: comprising a frame, a rear axle and a leaf spring according to any one of claims 1-7, one end of the leaf spring being mounted on the frame and the other end of the leaf spring being mounted on the rear axle, and the tangent of the leaf spring going from the end near the rear axle to the end near the frame being gradually parallel to the horizontal plane.
9. An electric tricycle, its characterized in that: comprising a frame, a rear axle and a leaf spring according to any one of claims 1-7, one end of the leaf spring being mounted on the frame and the other end of the leaf spring being mounted on the rear axle, and the tangent of the leaf spring going from the end near the rear axle to the end near the frame being gradually parallel to the horizontal plane.
10. The electro-tricycle of claim 9, wherein: the elastic pieces are three, the lengths of the elastic pieces are sequentially shortened from top to bottom, the adjacent elastic pieces are fixedly connected, the elastic pieces are sequentially a first elastic piece, a second elastic piece and a third elastic piece from top to bottom, one ends of the first elastic piece, the second elastic piece and the third elastic piece in the length direction are aligned, a front connecting section is formed at one aligned end, the front connecting section is connected with the frame through a front connecting element, and one end of the third elastic piece, far away from the front connecting section, extends out of the first elastic piece and the second elastic piece and is connected with the rear axle through a rear connecting element;
the front connecting element comprises two rib plates and two front base plates, the two front base plates are respectively positioned on two sides of the front connecting section in the thickness direction, one sides of the two front base plates are fixed on the frame, the front base plates are fixedly connected with the front connecting section through bolts, the cross section of each rib plate is triangular, one side of each rib plate is fixed on the front base plate positioned at the upper end of the first elastic sheet, and the other side of each rib plate is fixed on the frame;
the rear connecting element comprises two rear cushion plates, the two rear cushion plates are respectively positioned on two sides of the third elastic sheet in the thickness direction, one side of each rear cushion plate is fixed on the rear axle, and the rear cushion plates are fixedly connected with the third elastic sheet through bolts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121490011.4U CN214984694U (en) | 2021-07-02 | 2021-07-02 | Plate spring, vehicle tool and electric tricycle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121490011.4U CN214984694U (en) | 2021-07-02 | 2021-07-02 | Plate spring, vehicle tool and electric tricycle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214984694U true CN214984694U (en) | 2021-12-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121490011.4U Active CN214984694U (en) | 2021-07-02 | 2021-07-02 | Plate spring, vehicle tool and electric tricycle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214984694U (en) |
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2021
- 2021-07-02 CN CN202121490011.4U patent/CN214984694U/en active Active
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