CN209719184U - A kind of linking arm and the flat spring damping device using the linking arm - Google Patents
A kind of linking arm and the flat spring damping device using the linking arm Download PDFInfo
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- CN209719184U CN209719184U CN201920062068.0U CN201920062068U CN209719184U CN 209719184 U CN209719184 U CN 209719184U CN 201920062068 U CN201920062068 U CN 201920062068U CN 209719184 U CN209719184 U CN 209719184U
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Abstract
The embodiments of the present invention disclose a kind of linking arm and the flat spring damping device using the linking arm.Wherein linking arm is made of two vertical plates and two support plates, two vertical plates are arranged symmetrically, two support plates are located between two vertical plates, the both ends of support plate are welded and fixed with two vertical plates, the lower end of vertical plate is provided with the circular hole for installing pin shaft, and it is provided with rounded corner, the top of two vertical plates is provided with inwardly narrowed bias plate, the upper end of bias plate is bent to form the welded plate of fitting vehicle frame, welded plate is parallel with vertical plate, it is welded in that vehicle frame is more secured, bias plate increases the rigidity of linking arm, reduces deformation；Vertical plate and support plate are steel plate, and thickness is at least 3mm.On the one hand two support plates support two vertical plates, reduce the deformation of vertical plate, and on the other hand the upper surface of two support plates borrows vehicle frame and share stress, reduce the overall deformation of linking arm close to vehicle frame.Vertical plate and support plate are the steel plate of 3mm or more, and anti-pressure ability is strong, and the intensity of linking arm is significantly increased.
Description
Technical field
The utility model relates to flat spring cushion technique field, the plate bullets of specifically a kind of linking arm and the application linking arm
Spring damping device.
Background technique
Motor tricycle is the vehicles being favored by people, especially in vast rural area, due to adaptability
By force, it turns to flexibly, and is widely used.Damping device is needed in motor tricycle to protect vehicle frame, reduce by external impacts by
Damage.Energy absorption is realized bumper and absorbing shock as typical damping part, using the elastic deformation of itself by spring.
Flat spring is that section is rectangular oval arc spring steel.In common flat spring damping device, long circular arc
Shape center provides the installation site of rear-wheel shaft, and the grasswort formed at both ends passes through linking arm connecting vehicle frame.Usually by more
A spring leaf manufactured Board spring vibration damper stacked together gradually to shorten.Flat spring damping device can be used for after positioning rotating
Axis simultaneously has a degree of damping and spring function.Existing linking arm is generally only a U-shaped iron plate or two
The iron plate of triangle, is directly welded on vehicle frame, and there are structural weaks, is easily deformed, or even influence flat spring damping device makes
Defect, it would be highly desirable to solve.
Summary of the invention
For overcome the deficiencies in the prior art, the embodiments of the present invention provide a kind of linking arm and apply the linking arm
Flat spring damping device, structurally reasonable, intensity is high, reliability and durability.
The utility model embodiment solves technical solution used by its technical problem:
A kind of linking arm is made of two vertical plates and two support plates, and two vertical plates are arranged symmetrically, two branch
Fagging is located between two vertical plates, and the both ends of the support plate are welded and fixed with two vertical plates, under the vertical plate
End is provided with the circular hole for installing pin shaft, and is provided with rounded corner, and the top of two vertical plates, which is provided with, inwardly narrows
Bias plate, the upper end of the bias plate is bent to form the welded plate of fitting vehicle frame, and the welded plate is parallel with the vertical plate；Institute
Stating vertical plate and support plate is steel plate, and thickness is at least 3mm.
A kind of flat spring damping device includes leaf spring, rear axle support, linking arm and rear-wheel shaft, the steel
The both ends of flat spring are provided with grasswort, and the grasswort is articulated with linking arm lower end as described above by pin shaft.
As an improvement of the above technical solution, the rear axle support includes two U-bolts and fixed plate, the fixation
Plate is located at the upper side of the leaf spring, and for the crooked position of two U-bolts in the downside of the leaf spring, two U-shaped
Attaching nut after bolt is upward through the fixed plate from the two sides of the leaf spring, the rear-wheel shaft are U-shaped across two
The bending section of bolt and be fixed, be also connected with pull rod in the rear-wheel shaft；The leaf spring includes arranged stacked
Multi-disc reed, reed described in multi-disc are fixedly linked by centre bolt.
As a further improvement of the above technical scheme, damping gum cover, the damping rubber are enclosed on the outside of the pin shaft
The outer surface of set is bonded with the inner surface of the grasswort.
It is further improved, the both ends of the pin shaft are provided with oil filler point, and the bottom of the oil filler point, which is provided with, to be extended to
The pin shaft surface goes out oil groove, is equipped with oiling connector in the oil filler point.
It is further improved, the pull rod includes pipe sleeve and two heads, and thread rotary orientation phase is arranged in two heads
Anti- screw rod, the both ends of the pipe sleeve, which are provided with, cooperates the threaded hole being screwed on, the screw rod of the head with the screw rod of the head
On be also connected with nut.
A technical solution in above-mentioned technical proposal has the following beneficial effects: linking arm by two vertical plates and two branch
Fagging composition, two vertical plates are arranged symmetrically, and two support plates are located between two vertical plates, and the both ends of support plate are welded with two vertical plates
Fixation is connect, the lower end of vertical plate is provided with the circular hole for installing pin shaft, and is provided with rounded corner, the top setting of two vertical plates
There is inwardly narrowed bias plate, the upper end of bias plate is bent to form the welded plate of fitting vehicle frame, and welded plate is parallel with vertical plate, welding
More secured in vehicle frame, bias plate increases the rigidity of linking arm, reduces deformation；Vertical plate and support plate are steel plate, and thickness is extremely
It is less 3mm.On the one hand two support plates support two vertical plates, reduce the deformation of vertical plate, on the other hand the upper table of two support plates
The nearly vehicle frame of face paste borrows vehicle frame and shares stress, reduces the overall deformation of linking arm.Vertical plate and support plate are the steel of 3mm or more
Plate, anti-pressure ability is strong, and the intensity of linking arm is significantly increased.
Detailed description of the invention
The utility model is described in further detail with reference to the accompanying drawings and examples.
Fig. 1 is the structural schematic diagram according to a kind of linking arm of embodiment；
Fig. 2 is the main view according to a kind of linking arm of embodiment；
Fig. 3 is the structural schematic diagram according to a kind of flat spring damping device of embodiment.
Specific embodiment
Referring to Fig.1~Fig. 2, an embodiment of the present invention provide a kind of linking arm 200, by two 210 Hes of vertical plate
Two support plates 220 form, and two vertical plates 210 are arranged symmetrically, two support plates be located at two vertical plates 210 it
Between, the both ends of the support plate 220 are welded and fixed with two vertical plates 210, and the lower end of the vertical plate 210 is provided with for pacifying
The circular hole 211 of pin shaft 120 is filled, and is provided with rounded corner, the top of two vertical plates 210 is provided with inwardly narrowed bias
Plate 212, the upper end of the bias plate 212 are bent to form the welded plate 213 of fitting vehicle frame, the welded plate 213 and the vertical plate
210 is parallel；The vertical plate 210 and support plate 220 are steel plate, and thickness is at least 3mm.Using the above structure, welded plate 213
It is welded in that vehicle frame is more secured, bias plate 212 increases the rigidity of linking arm 200, reduces deformation；Two support plates 220 are on the one hand
Two vertical plates 210 are supported, the deformation of vertical plate 210 is reduced, on the other hand the upper surface of two support plates 220 is borrowed close to vehicle frame
Vehicle frame shares stress, reduces the overall deformation of linking arm 200.Vertical plate 210 and support plate 220 are the steel plate of 3mm or more, resistance to compression
Ability is strong, and the intensity of linking arm 200 is significantly increased.
Referring to Fig. 3, it includes leaf spring that an embodiment of the present invention, which also provides a kind of flat spring damping device,
100, rear axle support, linking arm 200 and rear-wheel shaft 300, wherein the structure of linking arm 200 is as described above, the steel plate bullet
The both ends of spring 100 are provided with grasswort 110, and the grasswort 110 is hinged by pin shaft 120 and the lower end of the pendulum 200, after described
Bridge bracket includes two U-bolts 410 and fixed plate 420, and the fixed plate 420 is located at the upside of the leaf spring 100
Face, the crooked positions of two U-bolts 410 is in the downside of the leaf spring 100, and two U-bolts 410 are from the steel plate bullet
The two sides of spring 100 are upward through attaching nut after the fixed plate 420, and the rear-wheel shaft 300 passes through two U-bolts 410
Bending section, by tightening the nut on U-bolt 410 with the rear-wheel shaft 300 that is locked, rear-wheel shaft 300 and steel plate bullet
Spring 100 fixes as one, and absorbs vibration of jolting using leaf spring 100, reduces the vibration of motor tricycle, rear-wheel shaft 300
Positioned at the lower section of leaf spring 100, vehicle frame is liftoff height improves the stability of motor tricycle, and is conducive to deliver cargo,
It is more preferable to the protection of rear-wheel shaft 300, help to improve the service life of motor tricycle；Also connect in the rear-wheel shaft 300
It is connected to pull rod 500, the other end of pull rod 500 is connected to vehicle frame, and in brake process, rear-wheel shaft 300 has opposite steel plate bullet
The trend that spring 100 moves backward prevents rear-wheel shaft 300 from moving backward using the limitation of pull rod 500, guarantees stabilized structure, stops
Vehicle is reliable；The leaf spring 100 includes the multi-disc reed of arranged stacked, and reed described in multi-disc is solid by centre bolt 130
It is fixed to be connected, it prevents reed from shifting along its length using centre bolt 130, guarantees that multi-disc reed position is accurate, guarantee steel plate bullet
The service performance of spring 100.
In the present embodiment, it is preferred that the outside of the pin shaft 120 is enclosed with damping gum cover, the damping gum cover it is outer
Surface is bonded with the inner surface of the grasswort 110, is reduced pin shaft 120 and 110 rigid collision of grasswort using damping gum cover, is reduced mill
Damage, improves service life.
In the present embodiment, it is preferred that the both ends of the pin shaft 120 are provided with oil filler point, the bottom of the oil filler point
It is provided with the oil groove that goes out for extending to the pin shaft surface, oiling connector is installed in the oil filler point.Using the above structure, oiling
Connector is arranged inside oil filler point, effectively reduces oiling connector to the occupancy of accommodating space and operating space, and oiling
Hole is located at the both ends of pin shaft 120, optimizes vehicle space design more.Grease is injected in oil filler point, is flowed out and is lubricated from oil groove out
Abrasion is reduced on the surface of pin shaft 120.
In the present embodiment, it is preferred that the pull rod 500 includes pipe sleeve 510 and two heads 520, described in two
The opposite screw rod of thread rotary orientation is arranged in head 520, and the both ends of the pipe sleeve 510 are provided with to be cooperated with the screw rod of the head 520
The threaded hole being screwed on is also connected with nut on the screw rod of the head 520, after two heads 520 are hingedly connected to by pin shaft
Take turns shaft 300, vehicle frame.By rotating the length of the adjustable pull rod 500 of pipe sleeve 510, expand use scope, and can be micro
Adjustment.
The above, the only better embodiment of the utility model, but the utility model is not limited to above-mentioned reality
Example is applied, as long as its technical effect for reaching the utility model with any same or similar means, should all fall into the utility model
Within protection scope.
Claims (6)
1. a kind of linking arm, it is characterised in that: it is made of two vertical plates and two support plates, two vertical plates are arranged symmetrically,
Two support plates are located between two vertical plates, and the both ends of the support plate are welded and fixed with two vertical plates, institute
The lower end for stating vertical plate is provided with circular hole for installing pin shaft, and is provided with rounded corner, the top setting of two vertical plates
Have an inwardly narrowed bias plate, the upper end of the bias plate is bent to form the welded plate of fitting vehicle frame, the welded plate with it is described
Vertical plate is parallel；The vertical plate and support plate are steel plate, and thickness is at least 3mm.
2. a kind of flat spring damping device includes leaf spring, rear axle support, linking arm and rear-wheel shaft, the steel plate
The both ends of spring are provided with grasswort, it is characterised in that: the grasswort is articulated with connection as described in claim 1 by pin shaft
Arm lower end.
3. a kind of flat spring damping device according to claim 2, it is characterised in that: the rear axle support includes two
U-bolt and fixed plate, the fixed plate are located at the upper side of the leaf spring, and the crooked position of two U-bolts is in institute
State the downside of leaf spring, attaching nut after two U-bolts are upward through the fixed plate from the two sides of the leaf spring,
The rear-wheel shaft passes through the bending section of two U-bolts and is fixed, and is also connected with pull rod in the rear-wheel shaft；The steel
Flat spring includes the multi-disc reed of arranged stacked, and reed described in multi-disc is fixedly linked by centre bolt.
4. a kind of flat spring damping device according to claim 3, it is characterised in that: be enclosed with and subtract on the outside of the pin shaft
Gum cover is shaken, the outer surface of the damping gum cover is bonded with the inner surface of the grasswort.
5. a kind of flat spring damping device according to claim 3 or 4, it is characterised in that: the both ends of the pin shaft are all provided with
It is equipped with oil filler point, the bottom of the oil filler point is provided with the oil groove that goes out for extending to the pin shaft surface, installation in the oil filler point
There is oiling connector.
6. a kind of flat spring damping device according to claim 3, it is characterised in that: the pull rod include pipe sleeve and
Two heads, two heads are provided with the opposite screw rod of thread rotary orientation, and the both ends of the pipe sleeve are provided with and the head
Screw rod cooperate the threaded hole that is screwed on, be also connected with nut on the screw rod of the head.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920062068.0U CN209719184U (en) | 2019-01-15 | 2019-01-15 | A kind of linking arm and the flat spring damping device using the linking arm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920062068.0U CN209719184U (en) | 2019-01-15 | 2019-01-15 | A kind of linking arm and the flat spring damping device using the linking arm |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209719184U true CN209719184U (en) | 2019-12-03 |
Family
ID=68679782
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920062068.0U Active CN209719184U (en) | 2019-01-15 | 2019-01-15 | A kind of linking arm and the flat spring damping device using the linking arm |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209719184U (en) |
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2019
- 2019-01-15 CN CN201920062068.0U patent/CN209719184U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220126 Address after: 529000 self compiled 005, building 2, No. 22, Yinyuan Road, Huicheng, Xinhui District, Jiangmen City, Guangdong Province Patentee after: Jiangmen Jiuxin New Energy Technology Co.,Ltd. Address before: Room 413, 4th floor, block 2, No.8, Yingang Avenue, Huicheng, Xinhui District, Jiangmen City, Guangdong Province, 529000 Patentee before: JIANGMEN JIUCHANG NEW ENERGY TECHNOLOGY Co.,Ltd. |
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| TR01 | Transfer of patent right |