CN212313785U - Front supporting device of electric vehicle - Google Patents
Front supporting device of electric vehicle Download PDFInfo
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- CN212313785U CN212313785U CN202020832469.2U CN202020832469U CN212313785U CN 212313785 U CN212313785 U CN 212313785U CN 202020832469 U CN202020832469 U CN 202020832469U CN 212313785 U CN212313785 U CN 212313785U
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- electric vehicle
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- 238000007906 compression Methods 0.000 claims abstract description 24
- 230000006835 compression Effects 0.000 claims abstract description 23
- 239000010720 hydraulic oil Substances 0.000 claims abstract description 13
- 238000013016 damping Methods 0.000 description 4
- 238000007789 sealing Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 206010066054 Dysmorphism Diseases 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000002238 attenuated effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The utility model discloses a front supporting device of an electric vehicle, which comprises an electric vehicle chassis, wherein the lower surface of the electric vehicle chassis is provided with a mounting rack, the lower part of the mounting rack is provided with a stroke rod, two sliders are connected on the stroke rod in a sliding way, a compression spring is sleeved on the stroke rod, the lower surfaces of the sliders are all hinged with one end of a connecting rod, the other end of the connecting rod is hinged, the hinged point is hinged with a U-shaped frame, the lower part of the U-shaped frame is hinged with a wheel, the upper surface of the U-shaped frame is provided with a cylindrical shell, hydraulic oil is arranged in the cylindrical shell, the middle part of the stroke rod is provided with a fixing sleeve, the lower surface of the fixing sleeve is provided with one end of a piston rod, the piston rod penetrates through the upper side wall of the cylindrical shell, the other end of the piston rod is provided with a piston, the piston is provided, and can play good shock-absorbing function, convenient to use and popularization.
Description
Technical Field
The utility model relates to an electric motor car technical field, the concrete field is a front portion strutting arrangement of electric motor car.
Background
Electric vehicles, namely electric drive vehicles, also known as electric drive vehicles, are divided into alternating current electric vehicles and direct current electric vehicles, generally speaking, electric vehicles are vehicles which take batteries as energy sources, convert electric energy into mechanical energy to move through components such as controllers and motors, and control the speed of current change.
Patent No. CN201620356880.0 discloses a four-wheel electric vehicle's anterior bearing structure, form isosceles triangle through the combination between two sloping and the front-axle beam, the combination forms triangle-shaped between sloping and damping spring and the electric motor car base that are located the homonymy, the triangle-shaped structure makes four-wheel electric vehicle's anterior bearing structure more firm for electric motor car anterior bearing structure's factor of safety, operating stability and bearing capacity all obtain promoting, but this technological means has certain drawback: overall structure's damping performance is relatively poor, and this is unfavorable for improving the electric motor car travelling comfort of taking, and here, proposes a neotype anterior strutting arrangement of electric motor car and solves above-mentioned problem.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an anterior strutting arrangement of electric motor car to the overall structure's that proposes among the solution above-mentioned background art damping performance is relatively poor, and this is unfavorable for improving the electric motor car and takes the travelling comfort problem.
In order to achieve the above object, the utility model provides a following technical scheme: the front supporting device of the electric vehicle comprises an electric vehicle chassis, wherein the lower surface of the electric vehicle chassis is provided with a mounting rack, the lower part of the mounting rack is provided with a travel rod, the travel rod is connected with two slide blocks in a sliding way, a compression spring is sleeved on the travel rod, the compression spring is positioned between the sliding block and the lower part of the mounting rack, the lower surfaces of the sliding blocks are all hinged with one end of a connecting rod, the other end of the connecting rod is hinged, and the hinged joint is hinged with a U-shaped frame, the lower part of the U-shaped frame is hinged with wheels, the upper surface of the U-shaped frame is provided with a cylindrical shell, the cylindrical shell is internally provided with hydraulic oil, the middle part of the stroke rod is provided with a fixed sleeve, the lower surface of the fixed sleeve is provided with one end of a piston rod, the piston rod penetrates through the upper side wall of the cylindrical shell, a piston is arranged at the other end of the piston rod, and a one-way valve is arranged on the piston.
Preferably, the compression spring is a variable pitch spring.
Preferably, the check valve comprises a first chamber and a second chamber, the first chamber and the second chamber are both arranged on the piston and communicated with each other, a spring seat is arranged in the first chamber, a plurality of through holes are formed in the spring seat, the upper surface of the spring seat is connected with one end of a return spring, the other end of the return spring is connected with a rubber ball, and the rubber ball is attached to the conical surface of the first chamber.
Preferably, a plurality of stroke grooves are formed in the stroke rod, a plurality of ball cavities are formed in the inner side wall of the sliding block, a plurality of balls are arranged in the ball cavities, the balls are matched with the stroke grooves, and a baffle is arranged on the side wall of one side of the sliding block.
Preferably, the number of the stroke grooves is 4.
Preferably, the baffle is connected with the sliding block through screws.
Preferably, the cross-sectional shape of the flight bar is rectangular.
Compared with the prior art, the beneficial effects of the utility model are that: the front supporting device of the electric vehicle realizes reliable support of the front part of the electric vehicle under the action of a mounting frame, a travel rod, a sliding block, a compression spring, a connecting rod and other members, and has a solid and stable main body structure and long service life; the compression spring provides a function of buffering vibration for the mechanism, and the piston, the cylindrical shell, the one-way valve and other components can play a role of vibration attenuation, namely when hydraulic oil passes through the first chamber and the second chamber, the energy loss of the hydraulic oil is the vibration energy attenuated by the mechanism. Contrast prior art, the utility model discloses a technological means major structure is solid reliable, and can play good shock-absorbing function, convenient to use and popularization.
Drawings
Fig. 1 is a schematic view of the structure of the present invention;
fig. 2 is a left side view structure diagram of the present invention;
FIG. 3 is a schematic view of a portion of the enlarged structure of FIG. 1;
fig. 4 is a schematic diagram of a partial enlarged structure at B in fig. 1 according to the present invention.
In the figure: 1-electric vehicle chassis, 2-mounting frame, 3-stroke rod, 4-slide block, 5-compression spring, 6-connecting rod, 7-U-shaped frame, 8-wheel, 9-cylindrical shell, 10-fixing sleeve, 11-piston rod, 12-piston, 13-one-way valve, 1301-first chamber, 1302-second chamber, 1303-spring seat, 1304-reset spring, 1305-rubber ball, 14-stroke groove, 15-ball cavity, 16-ball and 17-baffle.
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.
Referring to fig. 1-4, the present invention provides a technical solution: a front supporting device of an electric vehicle comprises an electric vehicle chassis 1, wherein the lower surface of the electric vehicle chassis 1 is provided with a mounting frame 2 which can be fixedly connected through bolts, the mounting frame 2 is U-shaped, the lower part of the mounting frame 2 is provided with a stroke rod 3, the stroke rod 3 is connected with two sliders 4 in a sliding way, the stroke rod 3 is sleeved with a compression spring 5, the compression spring 5 is connected with the stroke rod 3 in a sliding way, the compression spring 5 is positioned between the sliders 4 and the lower part of the mounting frame 2, the lower surfaces of the sliders 4 are all hinged with one end of a connecting rod 6, the other end of the connecting rod 6 is hinged with one end of the connecting rod, the hinging way can refer to figure 2, the hinged joint is hinged with a U-shaped frame 7, the lower part of the U-shaped frame 7 is hinged with wheels 8, the upper surface of the U-shaped frame 7 is provided with a cylindrical shell 9, hydraulic oil is, the piston rod 11 penetrates through the upper side wall of the cylindrical shell 9, a sealing gasket is arranged at the penetrating part, the other end of the piston rod 11 is provided with a piston 12, the piston 12 is provided with one-way valves 13, the number of the one-way valves 13 can be even, the arrangement directions of the rest half one-way valves 13 of the half one-way valves 13 are opposite, when the piston 12 moves upwards, the half one-way valves 13 are opened, the rest one-way valves 13 are closed, and hydraulic oil enters the lower space of the piston 12 from the upper space of the piston 12; when the piston 12 moves down, the other half of the check valves 13 are opened, the remaining check valves 13 are in a closed state, and hydraulic oil enters the upper space of the piston 12 from the lower space of the piston 12.
Specifically, the compression spring 5 is a variable pitch spring, and the purpose of the variable pitch spring is to obtain a non-linear elastic curve of the spring, so that the compression spring 5 has the characteristics of soft initial section and hard end when compressed, and the riding comfort of the electric vehicle is improved.
Specifically, the check valve 13 includes a first chamber 1301 and a second chamber 1302, the first chamber 1301 and the second chamber 1302 are both opened on the piston 12, and the two communicates with each other, a spring seat 1303 is arranged in the first chamber 1301, a plurality of through holes are opened on the spring seat 1303, so as to satisfy the requirement that hydraulic oil passes through, the upper surface of the spring seat 1303 is connected with one end of a return spring 1304, the two is fixedly connected, the other end of the return spring 1304 is connected with a rubber ball 1305, the two is fixedly connected, and the rubber ball 1305 is attached to the conical surface of the first chamber 1301.
Particularly, a plurality of stroke grooves 14 are formed in the stroke rod 3, a plurality of ball cavities 15 are formed in the inner side wall of the sliding block 4, the side wall of each ball cavity 15 is an opening, a plurality of balls 16 are arranged in each ball cavity 15, each ball 16 can be exposed out of the opening of the side wall of each ball cavity 15, the balls 16 are matched with the stroke grooves 14, and a baffle 17 is arranged on the side wall of one side of the sliding block 4.
Specifically, the number of the stroke grooves 14 is 4, and correspondingly, the number of the ball cavities 15 formed in each sliding block 4 is also 4, and the manufacturability can be improved on the premise that the sliding blocks 4 can slide smoothly by selecting and changing the number.
Specifically, the shutter 17 is connected to the slider 4 by screws.
Specifically, the cross-sectional shape of the stroke rod 3 is rectangular, and the slider 4 is prevented from rotating.
The working principle is as follows: when the utility model is used, after the mounting frame 2 is mounted on the electric vehicle chassis 1, the whole device can well support the front part of the electric vehicle, the stress analysis of the device is not difficult to know, the connecting rod 6 acts on the upper part hinge point and has acting force along the direction of the connecting rod 6, the force is decomposed into acting force in the horizontal direction and the vertical direction, the compression spring 5 is compressed by the acting force in the horizontal direction, the piston 12 moves downwards in the cylindrical shell 9, and the whole device keeps stable; when the road bumps during the running process, the force applied on the connecting rod 6 changes, the compression amount of the connecting rod 6 on the compression spring 5 also changes, so that the vibration can be buffered, when the compression amount of the compression spring 5 changes, the position of the piston 12 in the cylindrical shell 9 also changes, when the compression amount of the compression spring 5 increases, the piston 12 moves downwards, the hydraulic oil at the lower part of the piston 12 pushes the rubber ball 1305 upwards and compresses the return spring 1304, so that the sealing between the rubber ball 1305 and the conical surface of the first chamber 1301 fails, the hydraulic oil flows through the first chamber 1301 and the second chamber 1302 to enter the inner chamber of the cylindrical shell 9 at the upper part of the piston 12, and a part of energy is lost, when the compression amount of the compression spring 5 decreases, the piston 12 moves upwards, the hydraulic oil at the upper part of the piston 12 pushes the rubber ball 1305 downwards and compresses the return spring 1304, so that the sealing between the rubber ball 1305 and the conical surface of the first chamber 1301 fails, the hydraulic oil flows through the first and second chambers 1301 and 1302 into the inner chamber of the cylindrical case 9 at the upper portion of the piston 12, and loses a part of energy, thus reciprocating, and achieving the effect of damping vibration.
In the description of the present invention, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "fixed" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The utility model discloses the standard part that uses all can purchase from the market, and dysmorphism piece all can be customized according to the record of description and attached drawing, and the concrete connection mode of each part all adopts conventional means such as ripe bolt, rivet, welding among the prior art, and machinery, part and equipment all adopt prior art, and conventional model is including the conventional connected mode of circuit connection adoption conventional among the prior art, and here detailed description is not again.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a front portion strutting arrangement of electric motor car, includes electric motor car chassis (1), its characterized in that: the lower surface of electric vehicle chassis (1) is equipped with mounting bracket (2), the lower part of mounting bracket (2) is equipped with stroke pole (3), sliding connection has two sliders (4) on stroke pole (3), the cover is equipped with compression spring (5) on stroke pole (3), compression spring (5) are located slider (4) with between the lower part of mounting bracket (2), the lower surface of slider (4) all articulates the one end that has connecting rod (6), the other end of connecting rod (6) articulates, and this pin joint articulates there is U-shaped frame (7), the lower part of U-shaped frame (7) articulates there is wheel (8), the upper surface of U-shaped frame (7) is equipped with cylindrical shell (9), be equipped with hydraulic oil in cylindrical shell (9), the middle part of stroke pole (3) is equipped with fixed cover (10), the lower surface of fixed cover (10) is equipped with the one end of piston rod (11), the piston rod (11) penetrates through the upper side wall of the cylindrical shell (9), a piston (12) is arranged at the other end of the piston rod (11), and a one-way valve (13) is arranged on the piston (12).
2. A front supporting device of an electric vehicle according to claim 1, wherein: the compression spring (5) is a variable pitch spring.
3. A front supporting device of an electric vehicle according to claim 1, wherein: the check valve (13) comprises a first chamber (1301) and a second chamber (1302), the first chamber (1301) and the second chamber (1302) are arranged on the piston (12) and communicated with each other, a spring seat (1303) is arranged in the first chamber (1301), a plurality of through holes are formed in the spring seat (1303), the upper surface of the spring seat (1303) is connected with one end of a return spring (1304), the other end of the return spring (1304) is connected with a rubber ball (1305), and the rubber ball (1305) is attached to the conical surface of the first chamber (1301).
4. A front supporting device of an electric vehicle according to claim 1, wherein: a plurality of stroke grooves (14) are formed in the stroke rod (3), a plurality of ball cavities (15) are formed in the inner side wall of the sliding block (4), a plurality of balls (16) are arranged in the ball cavities (15), the balls (16) are matched with the stroke grooves (14), and a baffle (17) is arranged on the side wall of one side of the sliding block (4).
5. A front supporting device of an electric vehicle according to claim 4, wherein: the number of the travel grooves (14) is 4.
6. A front supporting device of an electric vehicle according to claim 4, wherein: the baffle (17) is connected with the sliding block (4) through screws.
7. A front supporting device of an electric vehicle according to claim 1, wherein: the cross section of the stroke rod (3) is rectangular.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020832469.2U CN212313785U (en) | 2020-05-19 | 2020-05-19 | Front supporting device of electric vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020832469.2U CN212313785U (en) | 2020-05-19 | 2020-05-19 | Front supporting device of electric vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212313785U true CN212313785U (en) | 2021-01-08 |
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ID=74023380
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020832469.2U Expired - Fee Related CN212313785U (en) | 2020-05-19 | 2020-05-19 | Front supporting device of electric vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212313785U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113320635A (en) * | 2021-07-09 | 2021-08-31 | 深圳市智盛富科技有限公司 | Electric scooter with transverse shock absorption function |
-
2020
- 2020-05-19 CN CN202020832469.2U patent/CN212313785U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113320635A (en) * | 2021-07-09 | 2021-08-31 | 深圳市智盛富科技有限公司 | Electric scooter with transverse shock absorption function |
| CN113320635B (en) * | 2021-07-09 | 2022-08-05 | 深圳市智盛富科技有限公司 | Electric scooter with transverse shock absorption function |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210108 |